C----
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`NV
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`-~
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`PATENT NUMBER
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`-s
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`APLOTOCO
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`ONTVPRIOR TCLASS
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`SUBCLASS
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`ARTUNI
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`EXA M R/t>
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`I S1. ishi
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`. I I..~~:I
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`C.
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`&s
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`l:1
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`ORIGINAL
`
`ICROSS
`
`ISSUING CLASSIFICATION
`REFERENCE(S)
`
`PTO-2040
`12/99
`
`___
`I__
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`___
`
`SUBCLASS_
`CLASS___
`2ai J
`2 &-eleli
`INTERNATIONAL CLASSIFICATION
`
`CLASS
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`-~
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`SUBCLASS (ONE SUBCLASS PER BLOCK)
`I
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`.
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`3.
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`_
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`_
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`wTERMINLDAIG
`
`CLAIMS ALLOWED
`
`DISCLAIMER
`
`Sheets Drwg.
`
`Figs. Drwg.
`
`Print Fig.
`
`Total Claims
`
`Print Claim for O.G.
`
`date)
`
`HThe term of this patent
`subsequent to_(
`has been disclaimed.
`El The term of this patent shat .
`not extend beyond the expiration date
`of U.S Patent. No._____
`
`__ __
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`_(
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`__
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`__
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`_
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`__I
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`_
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`_
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`11-
`____
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`Eaie)(Date
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`______
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`0 ,$fUBAmount
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`NOTICE OF ALLOWANCE MAILED
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`0
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`/e
`
`(6
`ISSUE FEE
`Due
`Date Paid
`
`__
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`_ _
`
`_(Primary
`
`Examiner)
`
`(Date)Yo
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`/
`
`,
`
`d
`
`HThe terminal
`-__months of
`this patent have been disclaimed,
`
`t
`
`y
`galiInstruments Examiner)
`
`I
`
`(Date)
`
`ISUE BATCH NUMBER
`
`WARNING:
`The information disclosed herein may be restricted, Unauthorized disclosure may be prohibited by the United States Code Title 35, Sections 122, 181 and 368.
`Possession outside the U.S. Patent & Trademark Off ice is restricted to authorized employees and contractors only.
`FILED WITH: [: DISK (CRF) [: FICHE Ml CD-ROM
`(Aatached In potcket on right Inside flap)
`
`Form PTO-436A
`(Rev. 6/99)
`
`Formnal OmSwiIlgst-.shtsl seU.
`
`(FACE)
`
`ZTE Exhibit 1015
`
`

`

`JUL 2,40 094
`BEST COPY
`
`INITIALS
`
`-_____
`
`Date Received
`(Incl. C. of M.)
`or
`Date Mailed
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`PATENT APPLICATION
`
`Pt',.
`CONTENTS
`Date Received
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`09613634
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`r..
`frS.
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`papers.
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`1. Application \4
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`(LEIFT OUTSIDE)
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`_ __ _
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`--
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`_
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`_ _ __ _
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`_ _
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`_
`
`ZTE Exhibit 1015 - 2
`
`

`

`SEARCHED
`Glass ISub. J Date
`
`IExmr.
`
`;0 awl
`
`SEARCH NOTES
`(INCLUDING SEARCH STRATEGY)
`
`Exmr.
`
`-fl
`
`ZW4
`
`30. 0e(
`367,. e6
`367. 0(3
`'Cq3
`1(41
`
`34-7
`
`LA)
`I I IkM 4a06--
`
`INTERFERENCE_SEARCHED
`Exmr.
`Date
`Sub.
`Class
`.T (
`;04
`( OAa-
`
`(RIGHT OUTSIDE)
`
`ZTE Exhibit 1015 - 3
`
`

`

`%J
`
`14P
`
`ISSUE SLIP STAPLE AREA (for additional cross references)
`
`POSITION
`
`INITIALS
`
`ID NO.
`
`DATE
`
`FEE DETERMINATION
`O.I.P.E. CLASSIFIER
`FORMALITY REVIEW-
`RESPONSE FORMALITY REVIEW
`
`~_
`
`_ _ _ JL Z a
`
`INDEX OF CLAIMS
`N ................. Non-elected
`...................... Rejected
`I ......................
`... Allowed
`... ...................
`interference
`A....................... Appeal
`numeral) Canceled
`0....................... Objected
`Restricted
`...........................
`
`-(Through
`
`Claim
`
`Date
`
`Claim
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`Date
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`Claim
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`Date
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`40
`41
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`49
`1 501
`
`F
`
`If more than 150 claims or 10 actions
`staple additional sheet here
`
`(LEFT INSIDE)
`
`,
`
`l
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`1
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`1
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`1
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`ZTE Exhibit 1015 - 4
`
`

`

`
`flI111 liii1
`11111111
`IIL0643II9IIIII I 11111
`111111I11IIIIII
`I IIIIIIIIIII
`
`(12) United States Patent
`Maruyama et al.
`
`(10) Patent No.:
`(45) Date of Patent:
`
`US 6,430,498 B1
`Aug. 6, 2002
`
`(54) PORTABLE TERMINAL WITH THE
`FUNCTION OF WALKING NAVIGATION
`
`342/357
`1996 Sheiner et al ............
`5,528,248 A
`-6/
`Uancjaux ........ ....
`342/443
`6,069,585 A *5/20(Y
`6,124,826 A
`Garthiwaite eii a...342/3S7.09
`-9/2000l
`
`(75)
`
`Inventors: Kishiko Maruyuma; Shigeru
`Shimoda, both of Kodaira;
`Toshiichirou Sasaki, Iwaki, all of (JP)
`
`*cited by examiner
`
`(73) Assignee: Hitachi, Ltd., Tokyo (JP)
`
`Notice:
`
`Subject to any disclaimer, the term of this
`patent is extended or adjusted under 35
`U.S.C. 154(b) by 0 days.
`
`(21) Appl. No.: 09/613,634
`Jul. 11, 2000
`(22) Filed:
`Foreign Application Priority Data
`(30)
`Jul. 12, 1999
`(JP)................................
`[nt. C1.
`(51)
`(52) U.S. ClI
`
`CG01C 21/00
`...................................
`701/200; 701/201; 342/357.01;
`.............
`342/357.08; 340/980
`(58) Field of' Search....................... 701/200, 201,
`701/202, 211, 212, 213, 214; 340/988,
`995; 342/357.01, 357.06, 357.08, 443, 147;
`367/Illi
`
`11-197010
`
`References Cited
`
`U.S. PAFENT DOCUMENTS
`5,146,231 A
`* 9/1992 Ghaen, etal............ 342/419
`
`Primary Exalniner-Yonel Beaulieu
`(74) Attorney, Agent, or Firin-Maingly,
`Malur, PC.
`
`Stanger &
`
`ABST''RACT
`
`A portable terminal has a function of walking navigation
`The direction of the destination is displayed hy an indicating,
`arrow that always points in the direction of the destination.
`In the navigation processing, the user enters data to select a
`menu and/or set retrieving conditions on the setup screen. At
`first, the user gets the location information of the portable
`terminal, represented by a latitudle/longitudeu or coordinates
`and an altitude, for example. Then, the user gets the direction
`information of the portable terminal, which is the direction
`terminal as determined by a
`tip of the portable
`of the
`compass, a gyro, or a clinometer. The location information
`and the direction information are set as terminal information
`for the retrieving conditions. The system controls retrieving
`of the database and retrieves the information corresponding
`to the selected menu, such as route guidance.
`
`t3 Claims, 10 Drawing Sheets
`
`WIRELESS
`63,. NETWORK
`
`F
`
`RNET/
`ANET
`
`65
`
`rSERVER:E
`
`65
`
`,67
`
`ZTE Exhibit 1015 - 5
`
`

`

`U.S. Patent
`
`Aug. 6, 2002
`
`Sheet 1 of 10
`
`US 6,430,498 BL
`
`FIG.
`
`ZTE Exhibit 1015 - 6
`
`

`

`U.S. Patent
`
`U.S.
`Patent
`Aug. 6,2002
`
`US 6 4309498 B1
`Sheet 2 of 10Us64098B
`
`FIG. 2
`
`THERE SAVING STATUS
`1 3C O N T R O L IN P U T
`SAVE STATUSq
`
`; Trp1
`
`0
`
`BACK
`
`STOP
`106
`
`IDE
`RUN
`GE T LOCATION5
`INFORMATION
`
`GET DIRECTION
`IN FORMATION
`
`SET THE CONDITION
`OF RETRIEVAL
`
`1
`CONTROL RETRIEVAL
`
`107
`
`108
`
`109
`
`110
`
`CONTROL COMPRESSION]
`
`CONTROL DISPLAY
`
`ZTE Exhibit 1015 - 7
`
`

`

`U.S. Patent
`
`U.S. Patent
`Aug. 6, 2002
`
`US 694309498 Bl
`Sheet 3 of 10US64098R
`
`FIG.
`
`-1~- ,21
`
`3(a)
`
`FIG. 3(b)
`
`-1
`
`-22
`
`FIG. 3(c)
`
`FIG. 3(d)
`
`1 <24
`
`FIG.
`
`-1 25
`
`3(e)
`
`FIG. 3(f)
`
`ZTE Exhibit 1015 - 8
`
`

`

`U.S. Patent
`
`U.S.
`Patent
`Aug. 6, 2002
`
`US 694309498 BI
`Sheet 4 of 10US64098R
`
`FIG.
`
`MA
`STORE
`
`EEE
`STORE
`
`FFF
`STORE
`
`ZTE Exhibit 1015 - 9
`
`

`

`U.S. Patent
`
`Aug. 6, 2002
`
`Sheets5 of 10
`
`US 6,430,498 BI
`
`FIG.
`
`Mr- -1w
`PCV"d
`
`ZTE Exhibit 1015 - 10
`
`

`

`U.S. Patent
`
`Aug. 6, 2002
`
`Sheet 6 of 10
`
`U.S.Patnt
`6,430,498 BI
`
`
`ug. , 202 heet6 o 10US
`
`FIG.
`
`NOTHERE SAVING STATUS
`
`103
`I CONTROL INPUT
`
`SAVE STATUS
`
`YES
`
`102
`
`I LOAD STATUSI
`
`BACK
`
`IDLE
`
`STOP10
`
`"W
`
`GET LOCATION
`R201
`INFORMATION
`
`F-~SEND DATA
`
`-,20
`
`ZTE Exhibit 1015 - 11
`
`

`

`U.S. Patent
`
`Aug. 6,2002
`Ag
`,20
`
`Sheet 7 of 10
`
`US 6,430,498 BI
`
`FIGN
`
`START
`
`GET DATA
`
`Z2
`
`104
`
`F- LOAD STATUS
`
`END TOP
`RUN107
`GET DIRCTION
`INFORMATION
`
`SET THE CONDITION
`OF RETRIEVAL
`
`108
`
`109
`
`CONTROL RETRIEVALI
`110
`1
`FCONTROL COMPRESSION]
`
`CONTROL DISPLAY
`
`ZTE Exhibit 1015 - 12
`
`

`

`U.S. Patent
`
`Aug. 6, 2002
`
`Sheet 8 of 10
`
`U.S.Patnt
`6,430,498 BI
`ug. , 202 heetS o 10US
`
`FIG.
`
`52STR
`
`BBB
`STORE
`
`DD
`
`EULfl
`
`ST(
`
`FFF
`STORE
`
`Urn0
`0
`LEIA K 11
`
`011
`
`EEE
`STORE
`
`ZTE Exhibit 1015 - 13
`
`

`

`U.S. Patent
`
`Aug. 6, 2002
`
`Sheet 9 of 10
`
`US 6,430,498 BI
`
`FIGO
`
`ZTE Exhibit 1015 - 14
`
`

`

`U.S. Patent
`
`Aug. 6, 2002
`
`Sheet 10 of 10
`
`U.S.Patnt
`6,430,498 BI
`
`Ag. , 202 Seet 0 o 10US
`
`FIGN 10
`
`CPU
`
`DISPLAY
`DEVICE
`
`INPUT
`DEVICE
`
`INTERNAL
`MEMORY
`DEVICE
`
`74
`
`75
`
`GETTING LOCATON
`INOMUIATION
`_
`
`DEVICE FOR
`GETTING DIRCTION
`INFORMATION
`
`7
`
`ZTE Exhibit 1015 - 15
`
`

`

`US 6,430,498 B1
`
`to
`
`is
`
`PORTABLE TERMINAL WITH THE
`FUNCTION OF WALKING NAVIGATION
`BACKGROUND OF THE INVENTION
`Tepresent
`invention
`relates
`to a portable
`terminal
`including a portable telephone and a Personal Handyphone
`System (PHS)(including a telephone provided only with
`character data communication functions) and a personal data
`assistance (PDA) terminal provided with portable telephone
`or PHS5 data communication functions. More particularly,
`the present invention relates to a portable terminal provided
`with the function of walking navigation, which can supply
`location-related information to the walking user.
`Conventionally, there have been many map information
`services for supplying maps and other map-related contents
`through the Internet and facsimile machines. In the case of
`those services, it is premised that information is supplied so
`as to be output onto such wide monitor screens of computers
`and printed out onto papers through facsimile machines,
`However, the use of PDA terminals and data communication 20
`functions of portable telephones or PH-S's that are easy to
`carry about would make it easier for the usegs to obtain
`desired maps on sightseeing and business trips more favor-
`ably through the above services.
`There are also many systems under development to be 25
`used for supplying the
`location information around
`the
`user's present place through the GPS (Global Positioning
`System). For example, a car navigation system
`to be
`mounted on a car is too large for a walker to carry around.
`In addition, because the navigation system premises that the 30
`system is used while the object car is running on a road, it
`cannot be used as a walker's navigation system as is. On the
`other hand, in the case of such a location information system
`as a PDA with GPS and a handy GPS intended to walkers,
`it is possible to show the user's present place on a map stored 35
`beforehand in its local memory or down-loaded from the
`above services.
`SUMMARY OF TIlE INVENTION
`The conventional map information services supply maps 40
`through the Internet, which are optimized on the assumption
`that the maps can be displayed at a resolution equivalent to
`that of personal computers. Consequently, they have been
`confronted with a problem that the maps, when displayed on
`small-size screen of portable telephones and P1HS terminals, 45
`are not displayed clearly.
`In addition, the map retrieving method employed for the
`above described services requires an enormous amount of
`cost for the communications with the server, so it is not
`suitable for walking navigation systems. For example, in the so
`case of a method that narrows retrieving conditions by
`displaying a map in some steps of scales from a wide range
`to a detailed range, the map in each step must be down-
`loaded from the server in each of the retrieving operations.
`If text is entered and/or menus are selected to narrow those 55
`retrieving conditions, however, it will be possible to reduce
`the data communication amount during retrieving. In spite
`of this, the method still has some problems that if a specified
`place name is recorded over a plurality of pages, maps on the
`adjacent pages are also supplied, so that the desired map 60
`cannot be supplied directly. In such a case, the desired map
`will have to be retrieved by scrolling, scaling up/down the
`map in display. In addition, the map must be down-loaded in
`each of the display operations, since the map data is not
`accumulated beforehand in the local memory.
`Furthermore, maps supplied by the above described ser-
`vices are not always easy for walkers to understand. For
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`65
`
`example, when a walker (user) wants to know a route fromt
`his/her present place to a destination, the route might pos-
`sibly be described over a plurality of pages. Even when the
`route is described only on ooe page, the displayed range is
`often too wide 10 obtain detailed information. In order to
`obtain necessary information in such a case, therefore, the
`user is requested to make such complicated operations as
`scrolling, scaling up/down the displayed map, thereby the
`cost of communications with the server comes to be enor-
`mous as described above.
`Furthermore, if the object system requires a PDJA terminal
`in addition to the portable telephone or the PI IS, users who
`can receive the services will be limited in number. [In
`addition, those portable devices must be connected to each
`other via cable, so that it would not be easy to use them
`during walking. On the other hand, there are also services for
`supplying such information contents as movtes, entertain-
`ment and business events, restaurants, etc. available with use
`of only a portable telephone and/or a PH S terminal Because
`it is premised that the information contents are displayed on
`the narrow screens of those portable telephones and MIS5
`terminals, character information is often supplied as con-
`tents. H owever, when the user wants to kniow such a spatial
`position as a place and a route, those services will be difficult
`to cope with the user's neced.
`In addition,
`the portable
`telephone and the PH-S terminal are just provided with some
`button keys including dialing buttons used as input devices,
`so they will not able to cope with inputs of complicated
`retrieving conditions.
`On the other hand, the conventional PI)A terminal with
`GPS and handy GP'S are systems that can be used as a single
`unit. If they are just used to display maps stored beforehand
`in their local memories, they will not be a proper method to
`supply
`information matching with
`the user's needs and
`easier to understand. Also in this case, they will not be able
`to supply such real time information as movies, entertain-
`ment and business events, restaurants, etc. Of course, if the
`PDA term in at is additionally provided withI data coinui0nt-
`cation functions of a portable
`telephone and/or PHIS
`terminal,' however, it will be possible to connect them to
`Internet map information services only as a single unit. The
`above described services will not yet be easier for the users
`to understand.
`Under such circumstances, it is an object of the present
`invention to provide a portable terminal with the function of
`walking navigation, which can supply location informatin
`easier for the user to undersand during walking with use of
`a narrow screen of a portable telephone and/or PHIS termi-
`nal. It is another object of the present invention to provide
`a portable terminal with the function of walking navigation,
`which can save labor to enter the condition for retrieving
`location
`information, as well as realize a tuser-friendly
`interface that enables the walker (user) to understand inptuts
`of retrieving conditions intuitively.
`In order to achieve the above objects, thie portable termi-
`nal of the present invention with the function of walking
`navigation is provided with data communication, input, and
`display devices just likc those of ordinary portable tele-
`phones and PMIS terminals, as well as a device for getting
`location information and a device
`for getting direction
`information denoting the user's present place. Hereunder,
`the location information and the direction information gotten
`by those devices will be referred to as terminal information
`collectively.
`Provided with those devices, the portable terminal of the
`present invention can use acquired terminal information as
`
`ZTE Exhibit 1015 - 16
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`

`

`..
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`3
`retrieving conditions, so the user can omit the input of
`his/her present place. The user can also specify a desired
`direction only by, for example, turning the tip of the portable
`terminal directly in the direction instead of entering such
`direction information as "towards
`the southern exit" or
`"along this street" when the user wants to know "what kinds
`of stores are there around the southern exit of the station"
`and/or "what kinds of stores are there on this street".
`Consequently, the user can save labor to enter retrieving
`conditions and it is possible to realize a user-friendly inter-
`face that enables the user to understand displayed items
`intuitively. In addition,
`the use of terminal
`information
`makes it possible to match a direction in an actual space with
`the displayed direction on the screen. For example, it is
`possible to compress information so as to display a direction
`of movement from the present place simply with an arrow.
`Consequently, location information can be displayed on a
`small-sine display screen of a portable telephone and an PHS
`terminal so that the user can understand the displayed
`information easily while the information is compressed.
`When using the portable terminal of the present invention
`with the function of walking navigation, it is expected that
`the following services are available,
`1) "Route Guidance Service"
`. .. used when the user has
`decided a destination, but does not know how to get there.
`2) "Neighborhood Guidance Service" . .. used for such
`information guidance as movies, entertainment and busi-
`ness events, restaurants, etc. when the destination is not
`decided yet.
`3) "Meeting by Appointment Guidance Service"
`used
`when meeting someone by appointment so as to notify the
`partner of his/her present place and/or to confirm where
`the partner is now.
`4) "Present Place Guidance Service" ... used to know where
`the walker (user) is now when he/she is lost.
`To supply such services, the system is configured with a
`portable terminal of the present invention with the function
`of walking navigation respectively and a server that supplies
`necessary information on the Intemnet/intranet, Just like the
`Internet services available through portable telephones or
`PHS terminals, each portable terminal, wireless network, a
`gateway server, the Internet/intranet, and
`the application
`server are sequentially connected. The application server is
`provided with a spatial information database, a database
`management system, as well as a control program. The
`spatial information database stores maps information and
`such
`information contents as movies, entertainment and
`business events, restaurants, etc. Tphe spatial information
`database may also be dispersed on the Internet/intranet. Each
`processing program compresses information to be supplied
`to portable terminals and controls the display on those
`terminals according to the terminal information. Concretely,
`the application server executes most of processings, for
`walking navigation and each portable terminal is provided
`only with the function for displaying supplied information.
`The above configuration is assumed so that such portable
`terminals as portable telephones and PUIS terminals are low
`in processing capacity respectively. Portable terminals that
`are a little higher
`in processing capacity may also be
`employed
`to control the display according
`to the above
`described terminal information. In addition, entire map data
`may be received on such a portable terminal as a retrieving
`result so that the portable terminal controls all the necessary
`processings from compression to display of the map data
`according to the object terminal information. A further high
`performance portable terminal may be used so as to store
`map information beforehand
`in
`its
`local memory and
`
`55
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`60
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`65
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`US 6,430,498 B1
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`30
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`4
`execute all the necessary processings from retrieving to
`compression and display of map information. In this case,
`the application server retrieves only such information con-
`tents as movies, entertainment and business events,
`5restaurants, etc. that should be supplied in real time.
`Furthermore, in the portable terminal of the present inven-
`tion with the function of walking navigation, location infer-
`is represented by a latitude/longitude or
`mation
`to get
`coordinates and an altitude. For example, such a wireless
`10antenna as a GPS, a PHS5, etc., as well as an infrared ray
`sensor is used to measure location information. The portable
`terminal of the present invention may also he provided with
`any one of the above methods for measuring a position or
`some possible methods combined for measuring a position,
`Direction information to get is a direction and/or an angle of
`15 elevation representing the leading direction of the portable
`terminal or the orientation of the display. For example, a
`compass, a gyro, such a sensor as a clinometer, etc. are used
`to measure a direction and/or an angle of elevation. In this
`case, the axis of the compass is aligned to the normal of the
`20 display and the display is kept horizontal to the ground.
`thereby it ispossible to know the direction (cast, west, south,
`or north) in which the vertical axis of the display is oriented.
`The gyro, when it is set so as to keep pointing the north, can
`measure both direction and angle of elevation just like when
`25 a compass is used. In addition, if both compass and clinomn-
`eter are used, it is possible to get not only a direction, but
`also such three-dimensional direction
`information as an
`angle of elevation to the ground. Instead of those compass
`and clinometer, a three-dimensional gyro may also be used
`for the above described measurement.
`These and other objects, features, and advantages of the
`present invention will become more apparent in view of the
`following detailed description of the preferred embodiments
`in conjunction with accompanying drawings.
`35BRIEF DESCRIPION OF THE DRAWINGS
`FIG. 1 is an example of display control by a portble
`terminal of the present
`invention with
`the function of
`walking navigation.
`FIG. 2 shows a total flow of a walking navigation pro-
`40 cessing by the portable terminal of the present invention
`with the function of walking navigation.
`FIG. 3 shows how data compression is controlled for the
`"Route Guidance Service" by the portable terminal of the
`present invention with the function of walking navigation.
`FIG. 4 shows how retrieving is controlled for the 'Neigh-
`borhood Guidance Service" by the portable terminal of the
`present invention with the function of walking navigation.
`FIG. 5 shows an embodiment of the "Meeting by Appoint-
`ment Guidance Service" by the portable terminal of the
`so present invention with the function of walking navigation.
`FIG. 6 is a flowchart of data sending for the 'Meeting by
`Appointment Guidance Service".
`FIG. 7lis a flowchart of data receiving for the~ "Meeting by
`Appointment Guidance Service",
`FIG. 8 shows how retrieving is controlled for the "present
`Place Guidance Service" by the portable terminal of' the
`present invention with the function of walking navigation.
`FIG. 9 is a block diagram of a walking navigation system
`that uses the portable terminal of the present invention with
`the function of walking navigation.
`FIG. 10 is a block diagram of the portable terminal of the
`present invention with the function of walking navigation.
`DESCRZIPTION OF THE PREFERRED)
`EMBODIMENTS
`Hereunder,
`the preferred embodiment of the present
`invention will be described with reference to the accompa-
`
`45
`
`ZTE Exhibit 1015 - 17
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`

`

`US 6,430,498 B1
`
`5
`flying drawings. FIG. I shows how data display is controlled
`by the portable terminal of the present invention with the
`function of walking navigation. A walker (user) 10 is walk-
`ing towards a destination 11. The walker can inquire
`the
`system of the direction of his/her destination and in which
`direction he/she should go each time he/she is lost. Accord-
`ing to
`the present invention,
`the system, upon such an
`inquiry, supplies information compressed so as to be dis-
`played on a narrow screen of the object portable telephone
`and/or PF-IS terminal. For example, the system supplies the to
`direction and distance to the destination from the present
`place with an orientation and a length of an arrow on the
`screen. In the case of ordinary map systems, the top side of
`the map on the screen denotes the north, Because walkers
`are usually walking unconsciously with directions, the ori-1
`entation of the map must be adjusted to the direction of the
`actual space. Usually, the walker can know his/her present
`place from the landmark information written on the map.
`However, it is actually impossible to display such detailed
`information on the narrow screen to be employed for the 20
`portable terminal of the present invention. In order to solve
`such a problem, therefore, the present invention enables the
`direction of the destination in the actual space to be con-
`trolled so as to be adjusted to the orientation of the arrow
`displayed on the screen. If the walker 10 inquires the system 25
`of a direction by turning his/her portable terminal as shown
`with the compressed information item 12, 13, or 14, the
`screen display is controlled so that the arrow always points
`the direction of the destination.
`Next, a description will be made for a total flow of a 30
`walking navigation processing when the portable terminal of
`the present invention with the function of walking naviga-
`tion is used. In step 103, an input by the walker 10 is
`controlled so that the walker 10 enters data to select a menu
`and/or set retrieving conditions on the setup screen interac- 35
`tively with use of such an input device as a button key, a pen,
`a microphone, etc. of the portable terminal. In step 104, the
`walking navigation system, expecting that the walker 10 will
`repeat inquiries, holds the input state in step 103. In this
`processing, at first,
`the system determines in step 101 40
`whether or not any state is held. If any state is held, the
`system reads the state in step 102. If no state is held, the
`system controls the input in step 103. In step 105, the system
`waits for an input. In step 105, three choices are prepared;
`Run to execute the processings in steps 106 to 111, Back to 45
`return to the setup screen in step 103, and Stop to exit the
`program.
`Next, a description will be made for a processing flow
`when the walker 10 selects Run in step 105. At first, the
`walker 10 gets the location
`information of the portable 5o
`terminal with use of a device in step 106. The location
`information of the portable terminal here is represented by
`a latitude/Aongitude or coordinates and an altitude. For
`example, the location information is measured with use of a
`Cellular antenna and such an infrared ray sensor as a GSP, ss
`PHS, or the like. Then, the walker 10 gets the direction
`information of the portable terminal with use of a device in
`step 107. The direction information is the direction of the tip
`of the portable terminal or the orientation of the display
`screen represented by a direction and an angle of elevation. 60
`For example, a compass, a gyro, and such a sensor as a
`clinometer are used to measure the direction information, in
`step 108, the walker 10 sets the location information gotten
`in step 106 and the direction information gotten in step 107
`as terminal information for retrieving conditions. In step 65
`109, the system controls retrieving of the database and
`retrieves the information corresponding to the menu selected
`
`in step 103 on the retrieving conditions set in steps 103 and
`108. If the route guidance service is selected in step) 103, the
`system retrieves
`information of, for example, at route
`between the present place and the destination. In step 110,
`the system controls compression of the information, which
`is a result of retrieving in step 109 so as
`to compress thec
`information according to the terminal information set in step
`108 so that it is displayed on the small screen. In step Il1,
`the system then controls display of the information, which is
`a result of compression in step 110 so as to convert the
`information according to the terminal information set in) step
`108. The information is thus displayed more easily for the
`walker to understand. At this time, the result of retrieving
`may be stored as needed. Finally, the system returns to step
`105 so as to wait for another input.
`Next, a description will be made in detail for the portable
`terminal of the present invention with
`the function of
`walking navi gation on the assumption of concrete services.
`FIG. 3 shows how information compression is controlled for
`the "Route Guidance Service' with use of the portable
`terminal of the present
`invention with the function of
`walking navigation. This service is used when the walker 10,
`who has decided his/her destination, does not know the route
`to the destination. At first, how information compression is
`controlled for this service will he described with reference to
`the processing flow shown in FIG. 2.1'lb begin the use otfthis
`service, at first the walker is requested
`to select
`'Route
`Guidance Service' from the service menus in step 3. Then,
`the walker must set the destination with use of an input
`device. The destination, for example, can be set with a text
`input with use of button keys or a pen and/or with a voice
`input from a microphone. The set states in step 103 are
`needed each time the walker makes an inquiry, so they are
`held in the system in step 104. The present p)lace is updated
`automatically with the location information gotten
`in step
`106 each time the walker makes an inquiry The first point
`may he registered in the system as a starting point and at
`passing point may b~e registered in the system as a middle
`point.
`Just like in FIG. 1, FIG. 3 shows the walker 10 walking
`towards a destination 11. If the system receives an inquiry in
`a state between (a) and (F),
`intormation compression
`is
`controlled so as to be represented as compressed information
`to 26
`items 21
`in
`the portable
`terminal of the present
`invention with the function of walking navigation,
`[t
`the
`case of the compressed
`items 21 and 22, information is
`compressed so
`that both direction of the destination and
`distance from the present place are represented by an ori-
`entation and a length of an arrow. The compressed tutor-
`mation item 21 denotes a far distance to the destination and
`the compressed information item 22 denotes a near distance
`to the destination respectively
`In the case of the compressed information items 23 and
`24, the direction in which the walker 10 goes around the
`present place is represented by a bent line and an arrow.TIhe
`compressed information item 23 denotes a far distance to the
`next corner and the compressed information item 24 denotes
`a near distance to
`the next corner. In the case of' the
`compressed information items 25 and 26, a fuil route from
`the starting point to the destination is represented simply by
`a bent line. The present place on the full route is always
`represented by a black circle on the bent line. Compressed
`information
`items 25 and 26 denote
`inquiries issued on
`middle points on the same route. Between 21 and 26, the
`map is displayed with a direction of movement from
`the
`present place at the up-side,
`Compressed information items 21 and 22 can l)e supplied
`if the location information of both present place and clesti-
`
`ZTE Exhibit 1015 - 18
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`7
`nation is known. In step 109, therefore, it is only needed to
`retrieve the location information of the destination simply
`from the name of the destination, etc. In this case, because
`the location information of the destination is not changed in
`the same route, retrieved information is stored once and the5
`next and subsequent processings are omitted. In the next step
`110, both direction and distance to the destination from the
`present place are found from
`the location information of
`both present place and destination, then just represented by
`an arrow. On the other band, to supply the compressed 1o
`information items 23 and 24, the route information around
`t