I 1111111111111111 11111 111111111111111 IIIII lllll lllll 111111111111111 11111111
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`US006430498Bl
`
`(12)United States Patent
`
`
`Maruyama et al.
`
`Bl (10)Patent No.:US 6,430,498
`
`
`(45)Date of Patent:
`Aug. 6, 2002
`
`(54)PORTABLE TERMINAL WITH THE
`
`
`FUNCTION OF WALKING NAVIGATION
`
`5,528,248 A * 6/1996 Sheiner et al. .............. 342/357
`
`
`
`
`
`6,069,585 A * 5/2000 Lanciaux .................... 342/443
`
`
`6,124,826 A * 9/2000 Garthwaite et al. . .. . 342/357.09
`
`(75)Inventors: Kishiko Maruyama; Shigeru
`
`
`
`Shimada, both of Kodaira;
`* cited by examiner
`
`
`Toshiichirou Sasaki, Iwaki, all of (JP)
`
`
`Hitachi, Ltd., Tokyo (JP)
`(73)Assignee:
`
`Primary Examiner-Yonel Beaulieu
`
`
`
`
`
`
`
`
`
`( *) Notice: Subject to any disclaimer, the term of this
`
`Malur, P.C.
`
`
`
`patent is extended or adjusted under 35
`
`
`U.S.C. 154(b) by O days.
`
`(74) Attorney, Agent, or Firm-Mattingly, Stanger &
`
`(57)
`
`ABSTRACT
`
`(21)Appl. No.: 09/613,634
`
`
`
`(22)Filed:Jul. 11, 2000
`
`A portable terminal has a function of walking navigation.
`
`
`
`
`
`The direction of the destination is displayed by an indicating
`
`
`
`arrow that always points in the direction of the destination.
`(30) Foreign Application Priority Data
`
`
`
`
`
`
`
`In the navigation processing, the user enters data to select a
`
`
`
`
`menu and/or set retrieving conditions on the setup screen. At
`
`
`Jul. 12, 1999 (JP) ........................................... 11-197010
`
`first, the user gets the location information of the portable
`
`(51)Int. Cl.7 ................................................ G0lC 21/00
`
`
`
`terminal, represented by a latitude/longitude or coordinates
`701/201; 342/357.01; (52)U.S. Cl. .................. 701/200;
`
`
`
`
`
`
`and an altitude, for example. Then, the user gets the direction
`
`342/357.08; 340/980
`
`
`information of the portable terminal, which is the direction
`(58)Field of Search .................................
`
`701/200, 201,
`
`
`of the tip of the portable terminal as determined by a
`
`701/202, 211, 212, 213, 214; 340/988,
`
`
`
`compass, a gyro, or a clinometer. The location information
`
`
`995; 342/357.01, 357.06, 357.08, 443, 147;
`
`
`and the direction information are set as terminal information
`367/118
`
`
`
`for the retrieving conditions. The system controls retrieving
`
`
`
`of the database and retrieves the information corresponding
`
`to the selected menu, such as route guidance.
`
`(56)
`
`
`
`References Cited
`
`U.S. PATENT DOCUMENTS
`
`
`
`
`
`
`
`
`
`5,146,231 A * 9/1992 Ghaem et al. .............. 342/419
`
`
`
`13 Claims, 10 Drawing Sheets
`
`
`
`WIRELESS
`63 NETWORK
`GATEWAY
`SERVER
`
`64
`INTERNET/
`INTRANET
`65
`
`62
`BASE
`STATION
`
`/rl;
`
`61
`
`rss
`WWW SERVER
`
`67
`APPLICATION SERVER
`
`
`
`CONTROL 67a
`PROGRAM
`
`□□□
`□□□
`□□□
`□□□
`
`PORTABLE
`TERMINAL
`
`67b
`DATABASE
`MANAGEMENT
`SYSTEM
`
`SPATIAL
`INFORMATION
`DATABASE
`
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`U.S. Patent Aug. 6, 2002 Sheet 1 of 10 US 6,430,498
`Bl
`
`FIG. 1
`
`11
`
`13
`
`10
`
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`U.S. Patent Aug. 6, 2002 Sheet 2 of 10 US 6,430,498 Bl
`
`FIG. 2
`
`START
`
`101
`
`NO
`
`103 �---'------.
`CONTROL INPUT
`104 �---'-------.
`SAVE STATUS
`
`YES 102
`LOAD STATUS
`
`105
`.___ _____ __;B:::.;_A.:..;:,c�K _ ___._ ______ s_To_P__. .1...._
`END
`___ __,
`106
`
`GET LOCATION
`INFORMATION
`107
`
`GET DIRECTION
`INFORMATION
`108
`
`SET THE CONDITION
`OF RETRIEVAL
`109
`
`CONTROL RETRIEVAL
`
`CONTROL COMPRESSION
`111
`
`CONTROL DISPLAY
`
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`U.S. Patent Aug. 6, 2002
`
`Sheet 3 of 10 US 6,430,498 Bl
`
`FIG. 3(b)
`FIG. 3(a)
`..--- -
`----, 21
`22
`/
`t
`
`11
`
`DIST ANGE ABOUT
`200 METERS
`
`JUST OVER
`THERE
`
`FIG. 3(c)
`23
`r
`
`WALK ABOUT 100
`METERS AND TURN
`TO THE RIGHT
`
`FIG. 3(d)
`24
`
`.-------,
`
`25
`
`FIG. 3(e)
`_f
`
`FIG. 3(f)
`
`26
`
`...------,�
`
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`U.S. Patent
`
`Aug. 6, 2002 Sheet 4 of 10
`
`US 6,430,498 Bl
`
`FIG. 4
`
`CCC
`
`STORE
`
`32
`BBB
`
`STORE
`>BBB STORE
`>CCC STORE
`
`AAA
`
`ODD
`
`STORE
`
`STORE
`
`□□□
`□□□
`.---.----��□□-----
`
`� � □□□□ □□ □□
`: � □□□□ □□□□
`----"-� -□□□□ □□□□
`
`31
`
`33
`
`V V
`"T1 C,
`"T1 C,
`"T1 C,
`
`� �
`Oo
`� �
`
`EEE
`STORE
`
`10
`
`FFF
`STORE
`
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`US 6,430,498
`Bl
`U.S. Patent
`Aug. 6, 2002 Sheet 5 of 10
`
`FIG. 5
`
`10b
`
`□□□
`□□□
`□□□
`'-----�□□Dr------
`
`□□□
`□□□
`□□□
`□□□
`
`10a
`
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`U.S. Patent Aug. 6, 2002 Sheet 6 of 10 US 6,430,498 Bl
`
`FIG. 6
`
`START
`
`101
`
`NO
`
`
`
`CONTROL INPUT
`
`YES
`
`104
`
`SAVE STATUS
`
`102
`
`LOAD STATUS
`
`105
`
`BACK
`STOP
`IDLE
`106
`RUN
`
`END
`
`GET LOCATION
`INFORMATION
`
`201
`
`SEND DATA
`
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`U.S. Patent Aug. 6, 2002 Sheet 7 of 10 US 6,430,498
`Bl
`
`7
`FIG.
`
`START
`
`202
`
`GET DATA
`
`104
`
`LOAD STATUS
`
`105
`
`END
`
`STOP
`IDLE
`RUN 106
`
`GET LOCATION
`INFORMATION
`
`107
`
`GET DIRECTION
`INFORMATION
`
`108
`
`SET THE CONDITION
`OF RETRIEVAL
`
`109
`
`CONTROL RETRIEVAL
`
`110
`
`CONTROL COMPRESSION
`
`111
`
`CONTROL DISPLAY
`
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`U.S. Patent
`
`Aug. 6, 2002 Sheet 8 of 10
`
`US 6,430,498 Bl
`
`FIG. 8
`
`CCC
`STORE
`
`52
`
`888
`STORE
`>ROAD
`TO COE
`
`AAA
`STORE
`
`ODD
`STORE
`
`□□□
`□□□
`.-�---_._.�o□�---�
`53
`0� □□□□ □□ □□
`-Iv
`0 :I]
`0
`<5� □□□□ □□□□
`m►
`.__�_f-___, □ □ □ □ □□ □□
`-no
`G>
`
`51
`
`EEE
`STORE
`
`10
`
`FFF
`STORE
`
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`U.S. Patent
`
`Aug. 6, 2002 Sheet 9 of 10
`
`
`
`US 6,430,498 Bl
`
`63
`
`FIG. 9
`
`64
`INTERNET/
`INTRANET
`65
`
`GATEWAY
`SERVER
`
`BASE
`STATION
`
`r------L.----r6s
`WWW SERVER
`
`61
`
`□□□
`□□□
`□□□
`□□□
`
`PORTABLE
`TERMINAL
`
`67
`APPLICATION SERVER
`
`
`67a
`CONTROL
`PROGRAM
`
`DATABASE
`MANAGEMENT
`SYSTEM
`
`67c
`
`SPATIAL
`INFORMATION
`DATABASE
`
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`U.S. Patent Aug. 6, 2002 Sheet 10 of 10
`
`
`US 6,430,498 Bl
`
`FIG. 10
`
`61
`
`71
`l/
`CPU
`
`72
`\
`
`DISPLAY
`DEVICE
`
`73
`\
`
`INPUT
`DEVICE
`
`74
`INTERNAL
`\
`MEMORY
`DEVICE
`
`--"
`75
`r,,....__
`EXTERNAL
`MEMORY
`�EVICE
`
`J 76
`DEVICE FOR DATA
`COMMUNICATION
`
`77
`DEVICE FOR
`lJ
`GETTING LOCATION
`INFORMATION
`
`78 J
`DEVICE FOR
`GETTING DIRECTION
`INFORMATION
`
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`
`
`BACKGROUND OF THE INVENTION
`
`SUMMARY OF THE INVENTION
`
`
`
`US 6,430,498 Bl
`
`1
`
`2
`
`
`example, when a walker (user) wants to know a route from
`PORTABLE TERMINAL WITH THE
`
`
`
`
`his/her present place to a destination, the route might pos­
`FUNCTION OF WALKING NAVIGATION
`
`
`
`
`
`sibly be described over a plurality of pages. Even when the
`
`
`
`route is described only on one page, the displayed range is
`
`The present invention relates to a portable terminal
`
`
`
`
`
`
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`5 often too wide to obtain detailed information. In order to
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`
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`including a portable telephone and a Personal Handyphone
`
`
`
`
`obtain necessary information in such a case, therefore, the
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`
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`System (PHS)(including a telephone provided only with
`
`
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`user is requested to make such complicated operations as
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`
`
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`character data communication functions) and a personal data
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`
`
`
`scrolling, scaling up/down the displayed map, thereby the
`
`
`
`
`assistance (PDA) terminal provided with portable telephone
`
`
`cost of communications with the server comes to be enor­
`
`
`or PHS data communication functions. More particularly,
`10
`
`mous as described above.
`
`
`
`the present invention relates to a portable terminal provided
`Furthermore, if the object system requires a PDA terminal
`
`
`
`
`
`
`
`with the function of walking navigation, which can supply
`
`
`
`
`in addition to the portable telephone or the PHS, users who
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`
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`location-related information to the walking user.
`
`
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`can receive the services will be limited in number. In
`
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`Conventionally, there have been many map information
`
`
`
`
`
`addition, those portable devices must be connected to each
`
`
`
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`services for supplying maps and other map-related contents 15
`
`other via cable, so that it would not be easy to use them
`
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`
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`through the Internet and facsimile machines. In the case of
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`
`
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`during walking. On the other hand, there are also services for
`
`
`
`those services, it is premised that information is supplied so
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`
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`supplying such information contents as movies, entertain­
`
`
`
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`as to be output onto such wide monitor screens of computers
`
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`ment and business events, restaurants, etc. available with use
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`
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`and printed out onto papers through facsimile machines.
`
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`
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`of only a portable telephone and/or a PHS terminal. Because
`
`
`However, the use of PDA terminals and data communication
`20
`
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`
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`it is premised that the information contents are displayed on
`
`
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`functions of portable telephones or PHS's that are easy to
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`
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`the narrow screens of those portable telephones and PHS
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`
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`carry about would make it easier for the users to obtain
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`terminals, character information is often supplied as con­
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`desired maps on sightseeing and business trips more favor­
`
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`tents. However, when the user wants to know such a spatial
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`ably through the above services.
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`
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`position as a place and a route, those services will be difficult
`
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`There are also many systems under development to be 25
`
`
`to cope with the user's need. In addition, the portable
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`used for supplying the location information around the
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`
`
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`telephone and the PHS terminal are just provided with some
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`
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`user's present place through the GPS (Global Positioning
`
`
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`button keys including dialing buttons used as input devices,
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`
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`System). For example, a car navigation system to be
`
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`so they will not able to cope with inputs of complicated
`
`mounted on a car is too large for a walker to carry around.
`
`retrieving conditions.
`
`
`
`
`In addition, because the navigation system premises that the
`30
`On the other hand, the conventional PDA terminal with
`
`
`
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`system is used while the object car is running on a road, it
`
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`GPS and handy GPS are systems that can be used as a single
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`
`
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`cannot be used as a walker's navigation system as is. On the
`
`
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`unit. If they are just used to display maps stored beforehand
`
`
`
`other hand, in the case of such a location information system
`
`
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`in their local memories, they will not be a proper method to
`
`
`as a PDA with GPS and a handy GPS intended to walkers,
`
`
`
`supply information matching with the user's needs and
`
`
`
`
`it is possible to show the user's present place on a map stored
`35
`
`
`
`easier to understand. Also in this case, they will not be able
`
`
`beforehand in its local memory or down-loaded from the
`
`
`
`to supply such real time information as movies, entertain­
`above services.
`
`
`
`
`ment and business events, restaurants, etc. Of course, if the
`
`
`PDA terminal is additionally provided with data communi­
`
`cation functions of a portable telephone and/or PHS
`
`
`
`The conventional map information services supply maps
`
`40
`
`
`
`
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`terminal, however, it will be possible to connect them to
`
`
`
`through the Internet, which are optimized on the assumption
`
`
`
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`Internet map information services only as a single unit. The
`that the maps can be displayed at a resolution equivalent to
`
`
`
`
`
`
`
`above described services will not yet be easier for the users
`that of personal computers. Consequently, they have been
`
`
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`to understand.
`
`confronted with a problem that the maps, when displayed on
`
`
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`Under such circumstances, it is an object of the present
`
`
`
`
`
`
`small-size screen of portable telephones and PHS terminals,
`45
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`
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`invention to provide a portable terminal with the function of
`
`are not displayed clearly.
`
`
`
`walking navigation, which can supply location information
`
`
`
`
`In addition, the map retrieving method employed for the
`
`
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`easier for the user to understand during walking with use of
`
`
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`above described services requires an enormous amount of
`
`
`
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`a narrow screen of a portable telephone and/or PHS termi-
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`
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`cost for the communications with the server, so it is not
`
`
`
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`nal. It is another object of the present invention to provide
`
`suitable for walking navigation systems. For example, in the
`50
`
`
`
`a portable terminal with the function of walking navigation,
`
`
`case of a method that narrows retrieving conditions by
`
`which can save labor to enter the condition for retrieving
`
`
`
`
`displaying a map in some steps of scales from a wide range
`
`
`
`
`location information, as well as realize a user-friendly
`
`
`to a detailed range, the map in each step must be down­
`
`
`
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`interface that enables the walker (user) to understand inputs
`
`
`
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`loaded from the server in each of the retrieving operations.
`
`of retrieving conditions intuitively.
`
`
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`If text is entered and/or menus are selected to narrow those 55
`
`
`
`In order to achieve the above objects, the portable termi­
`
`
`
`retrieving conditions, however, it will be possible to reduce
`
`
`
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`nal of the present invention with the function of walking
`
`the data communication amount during retrieving. In spite
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`
`
`
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`navigation is provided with data communication, input, and
`
`of this, the method still has some problems that if a specified
`
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`
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`display devices just like those of ordinary portable tele-
`place name is recorded over a plurality of pages, maps on the
`
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`
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`60 phones and PHS terminals, as well as a device for getting
`
`adjacent pages are also supplied, so that the desired map
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`
`
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`location information and a device for getting direction
`
`
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`cannot be supplied directly. In such a case, the desired map
`
`
`
`
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`information denoting the user's present place. Hereunder,
`
`
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`will have to be retrieved by scrolling, scaling up/down the
`
`
`the location information and the direction information gotten
`
`
`map in display. In addition, the map must be down-loaded in
`
`
`
`
`by those devices will be referred to as terminal information
`
`
`
`
`each of the display operations, since the map data is not
`65 collectively.
`
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`accumulated beforehand in the local memory.
`devices, the portable terminal of the
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`Furthermore, maps supplied by the above described ser­ Provided with those
`
`
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`vices are not always easy for walkers to understand. For present invention can use acquired terminal information as
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`US 6,430,498 Bl
`
`4
`3
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`execute input of all the necessary processings from retrieving to
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`retrieving conditions, so the user can omit the
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`his/her present place. The user can also specify
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`compression a desired and display of map information. In this case,
`
`direction only by, for example, turning the
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`the application tip of the portable server retrieves only such information con­
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`
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`tents as movies, entertainment and business events,
`
`terminal directly in the direction instead of entering such
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`in real time. 5 restaurants, etc. that should be supplied
`direction information as "towards the southern exit" or
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`
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`Furthermore, in the portable terminal of the present inven­
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`"along this street" when the user wants to know "what kinds
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`
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`tion with the function of walking navigation, location infor­
`
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`of stores are there around the southern exit of the station"
`
`
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`mation to get is represented by a latitude/longitude or
`
`and/or "what kinds of stores are there on this street".
`
`
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`coordinates and an altitude. For example, such a wireless
`
`
`Consequently, the user can save labor to enter retrieving
`antenna
`
`as a GPS, a PHS, etc., as well as an infrared ray
`
`
`
`
`
`conditions and it is possible to realize a user-friendly inter­
`10
`
`
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`sensor is used to measure location information. The portable
`
`
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`face that enables the user to understand displayed items
`
`
`
`
`terminal of the present invention may also be provided with
`
`
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`intuitively. In addition, the use of terminal information
`
`
`
`
`any one of the above methods for measuring a position or
`
`
`
`makes it possible to match a direction in an actual space with
`
`
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`some possible methods combined for measuring a position.
`
`
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`the displayed direction on the screen. For example, it is
`
`
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`Direction information to get is a direction and/or an angle of
`
`
`
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`possible to compress information so as to display a direction
`
`
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`15 elevation representing the leading direction of the portable
`
`
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`of movement from the present place simply with an arrow.
`
`
`
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`terminal or the orientation of the display. For example, a
`
`
`
`
`Consequently, location information can be displayed on a
`
`
`
`
`compass, a gyro, such a sensor as a clinometer, etc. are used
`
`
`
`
`small-size display screen of a portable telephone and an PHS
`
`
`
`
`to measure a direction and/or an angle of elevation. In this
`
`
`terminal so that the user can understand the displayed
`
`
`
`case, the axis of the compass is aligned to the normal of the
`
`
`information easily while the information is compressed.
`
`
`
`20 display and the display is kept horizontal to the ground,
`
`
`
`
`thereby it is possible to know the direction ( east, west, south,
`
`
`
`
`When using the portable terminal of the present invention
`
`
`
`or north) in which the vertical axis of the display is oriented.
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`with the function of walking navigation, it is expected that
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`The gyro, when it is set so as to keep pointing the north, can
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`the following services are available.
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`measure both direction and angle of elevation just like when
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`1) "Route Guidance Service" ... used when the user has
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`clinom­if both compass and 25 a compass is used. In addition,
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`decided a destination, but does not know how to get there.
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`eter are used, it is possible to get not only a direction, but
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`2)"Neighborhood Guidance Service" ... used for such
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`also such three-dimensional direction information as an
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`information guidance as movies, entertainment and busi­
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`angle of elevation to the ground. Instead of those compass
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`ness events, restaurants, etc. when the destination is not
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`and clinometer, a three-dimensional gyro may also be used
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`decided yet.
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`for the above described measurement.
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`3) "Meeting by Appointment Guidance Service" ... used 30
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`These and other objects, features, and advantages of the
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`when meeting someone by appointment so as to notify the
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`present invention will become more apparent in view of the
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`partner of his/her present place and/or to confirm where
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`following detailed description of the preferred embodiments
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`the partner is now.
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`in conjunction with accompanying drawings.
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`4) "Present Place Guidance Service" ... used to know where
`BRIEF DESCRIPTION OF THE DRAWINGS
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`the walker (user) is now when he/she is lost.
`35
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`FIG. 1 is an example of display control by a portable
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`To supply such services, the system is configured with a
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`terminal of the present invention with the function of
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`portable terminal of the present invention with the function
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`walking navigation.
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`of walking navigation respectively and a server that supplies
`FIG. 2 shows a total flow of a walking navigation pro­
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`necessary information on the Internet/intranet. Just like the
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`cessing by the portable terminal of the present invention
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`Internet services available through portable telephones or 40
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`with the function of walking navigation.
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`PHS terminals, each portable terminal, wireless network, a
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`FIG. 3 shows how data compression is controlled for the
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`gateway server, the Internet/intranet, and the application
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`"Route Guidance Service" by the portable terminal of the
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`server are sequentially connected. The application server is
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`present invention with the function of walking navigation.
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`provided with a spatial information database, a database
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`FIG. 4 shows how retrieving is controlled for the "Neigh­
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`management system, as well as a control program. The
`45
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`borhood Guidance Service" by the portable terminal of the
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`spatial information database stores maps information and
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`present invention with the function of walking navigation.
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`such information contents as movies, entertainment and
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`FIG. 5 shows an embodiment of the "Meeting by Appoint­
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`business events, restaurants, etc. The spatial information
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`ment Guidance Service" by the portable terminal of the
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`database may also be dispersed on the Internet/intranet. Each
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`present invention with the function of walking navigation.
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`processing program compresses information to be supplied
`50
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`FIG. 6 is a flowchart of data sending for the "Meeting by
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`to portable terminals and controls the display on those
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`Appointment Guidance Service".
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`terminals according to the terminal information. Concretely,
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`FIG. 7 is a flowchart of data receiving for the "Meeting by
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`the application server executes most of processings for
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`Appointment Guidance Service".
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`walking navigation and each portable terminal is provided
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`only with the function for displaying supplied information.
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`FIG. 8 shows how retrieving is controlled for the "Present
`55
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`so that such portable is assumed The above configu ration
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`Place Guidance Service" by the portable terminal of the
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`terminals as portable telephones and PHS terminals are low
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`present invention with the function of walking navigation.
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`in processing capacity respectively. Portable terminals that
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`FIG. 9 is a block diagram of a walking navigation system
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`are a little higher in processing capacity may also be
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`that uses the portable terminal of the present invention with
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`employed to control the display according to the above 60
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`the function of walking navigation.
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`described terminal information. In addition, entire map data
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`FIG. 10 is a block diagram of the portable terminal of the
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`may be received on such a portable terminal as a retrieving
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`present invention with the function of walking navigation.
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`result so that the portable terminal controls all the necessary
`DESCRIPTION OF THE PREFERRED
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`processings from compression to display of the map data
`EMBODIMENTS
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`according to the object terminal information. A further high 65
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`performance portable terminal may be used so as to store
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`Hereunder, the preferred embodiment of the present
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`map information beforehand in its local memory and
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`invention will be described with reference to the accompa-
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`IPR2020-00407
`Apple EX1039 Page 13
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`US 6,430,498 Bl
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`6
`5
`nying drawings. FIG. 1 shows how data display is controlled
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`in step 103 on the retrieving conditions set in steps 103 and
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`by the portable terminal of the present invention with the
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`108.If the route guidance service is selected in step 103, the
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`function of walking navigation. A walker (user) 10 is walk­
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`system retrieves information of, for example, a route
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`ing towards a destination 11. The walker can inquire the
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`between the present place and the destination. In step 110,
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`system of the direction of his/her destination and in which 5
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`the system controls compression of the information, which
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`is a result of retrieving in step 109 so as to compress the
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`direction he/she should go each time he/she is lost. Accord­
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`information according to the terminal information set in step
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`ing to the present invention, the system, upon such an
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`108 so that it is displayed on the small screen. In step 111,
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`inquiry, supplies information compressed so as to be dis­
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`the system then controls display of the information, which is
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`played on a narrow screen of the object portable telephone
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`a result of compression in step 110 so as to convert the
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`and/or PHS terminal. For example, the system supplies the 10
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`information according to the terminal information set in step
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`direction and distance to the destination from the present
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`108.The information is thus displayed more easily for the
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`place with an orientation and a length of an arrow on the
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`walker to understand. At this time, the result of retrieving
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`screen. In the case of ordinary map systems, the top side of
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`may be stored as needed. Finally, the system returns to step
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`the map on the screen denotes the north. Because walkers
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`105 so as to wait for another input.
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`are usually walking unconsciously with directions, the ori-15
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`Next, a description will be made in detail for the portable
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`entation of the map must be adjusted to the direction of the
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`terminal of the present invention with the function of
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`actual space. Usually, the walker can know his/her present
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`walking navigation on the assumption of concrete services.
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`place from the landmark information written on the map.
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`FIG. 3 shows how information compression is controlled for
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`However, it is actually impossible to display such detailed
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`the "Route Guidance Service" with use of the portable
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`information on the narrow screen to be employed for the 20
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`terminal of the present invention with the function of
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`portable terminal of the present invention. In order to solve
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`walking navigation. This service is used when the walker 10,
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`such a problem, therefore, the present invention enables the
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`who has decided his/her destination, does not know the route
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`direction of the destination in the actual space to be con­
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`to the destination. At first, how information compression is
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`trolled so as to be adjusted to the orientation of the arrow
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`controlled for this service will be described with reference to
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`displayed on the screen. If the walker 10 inquires the system 25
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`the processing flow shown in FIG. 2. To begin the use of this
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`of a direction by turning his/her portable terminal as shown
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`service, at first the walker is requested to select "Route
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`Guidance Service" from the service menus in step 3. Then,
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`with the compressed information item 12, 13, or 14, the
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`the walker must set the destination with use of an input
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`screen display is controlled so that the arrow always points
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`device. The destination, for example, can be set with a text
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`the direction of the destination.
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`with a voice 30 input with use of button keys or a pen and/or
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`Next, a description will be made for a total flow of a
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`input from a microphone. The set states in step 103 are
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`walking navigation processing when the portable terminal of
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`needed each time the walker makes an inquiry, so they are
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`the present invention with the function of walking naviga­
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`held in the system in step 104. The present place is updated
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`tion is used. In step 103, an input by the walker 10 is
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`automatically with the location information gotten in step
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`controlled so that the walker 10 enters data to select a menu
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`35 106 each time the walker makes an inquiry. The first point
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`and/or set retrieving conditions on the setup screen interac­
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`may be registered in the system as a starting point and a
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`tively with use of such an input device as a button key, a pen,
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`passing point may be registered in the system as a middle
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`a microphone, etc. of the portable terminal. In step 104, the
`point.
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`walking navigation system, expecting that the walker 10 will
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`Just like in FIG. 1, FIG. 3 shows the walker 10 walking
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`repeat inquiries, holds the input state in step 103. In this
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`40 towards a destination 11. If the system receives an inquiry in
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`processing, at first, the system determines in step 101
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`a state between (a) and (f), information compression is
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`whether or not any state is held. If any state is held, the
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`controlled so as to be represented as compressed information
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`system reads the state in step 102. If no state is held, the
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`items 21 to 26 in the portable terminal of the present
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`system controls the input in step 103. In step 105, the system
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`invention with the function of walking navigation. In the
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`waits for an input. In step 105, three choices are prepared;
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`45 case of the compressed items 21 and 22, information is
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`Run to execute the processings in steps 106 to 111, Back to
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`compressed so that both direction of the destination and
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`return to the setup screen in step 103, and Stop to exit the
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`distance from the present place are represented by an ori­
`program.
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`entation and a length of an arrow. The compressed infor­
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`Next, a description will be made for a processing flow
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`mation item 21 denotes a far distance to the destination and
`when the walker 10 selects Run in step 105. At first, the
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`the compressed information item 22 denotes a near distance
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`walker 10 gets the location information of the portable
`50
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`to the destination respectively.
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`terminal with use of a device in step 106. The location
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`In the case of the compressed information items 23 and
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`information of the portable terminal here is represented by
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`24, the direction in which the walker 10 goes around the
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`a latitude/longitude or coordinates and an altitude. For
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`present place is represented by a bent line and an arrow. The
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`example, the location information is measured with use of a
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`compressed information item 23 denotes a far distance to the
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`Cellular antenna and such an infrared ray sensor as a GSP, 55
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`next corner and the compressed information item 24 denotes
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`PHS, or the like. Then, the walker 10 gets the direction
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`a near distance to the next corner. In the case of the
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`information of the portable terminal with use of a device in
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`compressed information items 25 and 26, a full route from
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`step 107. The direction information is the direction of the tip
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`the starting point to the destination is represented simply by
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`of the portable terminal or the orientation of the display
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`a bent line. The present place on the full route is always
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`screen represented by a direction and an angle of elevation.
`60
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`represented by a black circle on the bent line. Compressed
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`For example, a compass, a gyro, and such a sensor as a
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`information items 25 and 26 denote inquiries issued on
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`clinometer are used to measure the direction information. In
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`middle points on the same route. Between 21 and 26, the
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`step 108, the walker 10 sets the location information gotten
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`map is displayed with a direction of movement from the
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`in step 106 and the direction information gotten in step 107
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`present place at the up-side.
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`as terminal information for retrieving conditions. In step
`65
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`109, the system controls retrieving of the database and Compressed
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`information items 21 and 22 can be supplied
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`retrieves the information corresponding to the menu selected if the location information of both present place and desti-
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`IPR2020-00407
`Apple EX1039 Page 14
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`

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`US 6,430,498 Bl
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`7
`8
`nation is known. In step 109, therefore, it is only needed to
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`function of walking navigation with reference to FIGS. 5, 6,
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`retrieve the location information of the destination simply
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`and 7. This service is used when the user (walker), who is
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`from the name of the destination, etc. In this case, because
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`to meet someone by appointment, notifies his/her present
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`the location information of the destination is not changed in
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`place to the partner and confirm the partner's present place.
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`In FIG. 5, 10a and 10b denote walkers who will meet each
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`the same route, retrieved information is stored once and the
`5
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`other by appointment. Compressed information items 41 and
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`next and subsequent processings are omitted. In the next step
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`42 denote flows of data sending/receiving to confirm their
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`110, both direction and distance to the destination from the
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`present places. In this embodiment, data may be exchanged
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`present place are found from the location information of
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`directly between portable terminals just like the message
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`both present place and destination, then just represented by
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`sending function of portable telephones and PHS terminals.
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`an arrow. On the other hand, to supply the compressed
`10
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`Otherwise, data may be exchanged via an Internet server just
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`information items 23 and 24, the route information around
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`like the e-mail functions.
`the present place, selected from the route information
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`At first, the processing flow of data sending shown in FIG.
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`between the present place and the destination is required. In
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`6 will be described on the assumption that the walker 10a
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`step 109, therefore, the system retrieves information of the
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`notifies his/her present place to the walker 10b. The pro­
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`route between the present place and the destination by 15
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`cessings in steps 101 to 106 are identical to those shown in
`means of route retrieving and separates information of the
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`FIG. 2. When sending data, the walker 10a selects the data
`route around the present place from this route information
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`sending menu from the menus of this service in step 103 and
`and supplies the information. In addition, to supply such
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`sets the phone