`
`
`
`
`
`
`Appin. Data Sheet (see 37 CFR 1.76). Applicant claims small entity status (see 37 CFR 1.27).
`
`ENCLOSED APPLICATION PARTS:
`Specification_41 pages.
`Drawings,
`_12 sheets.
`
`[] CD's, Number
`Other
`
`.
`
`.
`
`enclosed.
`for $_75.00
`Check no. 7943
`The Commissioner is hereby authorized to charge filing fees or
`credit any overpayment to Deposit Account No.
`-
`(| Payment by credit card. Form PTO-2038 is attached.
`
`FILING FEE AMOUNT: $75.00
`The invention was made by an agency of the U.S. Government or
`under a contract with an agency thereof.
`No
`Ll Yes. The name of agency and contract number are
`
`%
`
`~
`Respectfully submitted,
`
`Signature:
`_/
`
`Allen H. Erickson Registry:
`Name:
`352)
`341-4863 Docket No:
`Telephone:
`Date: Mardi[/¢ €
`
`29,792
`_6190
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`ere
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`Google Exhibit 1010
`Google v. Mullen
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`PROVISIONAL APPLICATION FOR PATENT COVER SHEET
`
` e'ngseoTtr‘ Asst. Commissioner for Patents
`10/61/Euini
`
`Box Provisional Application
`Washington, DC 20231
`
`Sir:
`
`This is a request for filing a PROVISIONAL APPLICATION FOR PATENT
`under 37 CFR 1.53(c).
`
`INVENTOR: Given Name
`
`Family Name
`
`Residence
`
`Michael V.
`
`Ryden
`
`62290 Jay Jay Road
`Montrose, CO 81401
`
`
`
`ao
`
`e
`a=
`a =
`o—=
`sS Ss
`
`Bar Code babel Here
`
`TITLE OF THE INVENTION:
`LOCATION BASED COMMUNICATIONS SYSTEM
`SPONDENCE_ADDRE
`CORRESPONDENCE ADDRESS:
`[| 1. Customer No.
`or
`M2. Name:_ Allen H. Erickson
`Address:_3493 Dayton Terrace South
`
`
`City: Inverness State:_FL ZIP: 34452
`Country:_USA Phone:_(352) 341-4803 FAX:_(352) 341-4803
`
`
`
`
`
`Docket No. 6190
`
`Michael V.
`
`Ryden
`62290 JayJay Road
`Montrose
`co
`81401
`USA
`
`Allen H. Erickson
`
`3493 Dayton Terrace South
`Inverness
`FL
`34452
`
`{352) 341-4803
`(352) 341-4803
`
`PROVISIONAL
`PATENT APPLICATION
`DATA SHEET
`
`INVENTOR INFORMATION
`
`Inventor One Given Name:
`
`Family Name:
`Postal Address Line One:
`
`City:
`State or Province:
`Postal or Zip Code:
`Citizenship Country:
`
`CORRESPONDENCE INFORMATION
`
`
`
`
`Name Line One:
`Address Line One:
`City:
`State or Province:
`
`Postal or Zip Code:
`Telephone:
`Fax:
`
`APPLICATION INFORMATION
`
`Title Line One:
`
`Total Drawings Sheets:
`Formal Drawings?:
`Application Type:
`Docket Number:
`
`REPRESENTATIVE INFORMATION
`
`Registration Number One:
`
`
`
`
`
`LOCATION BASED COMMUNICATIONS SYSTEM
`12
`Yes
`
`Provisional
`6190
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`NOTICE OF EXPRESS MAILING
`
`PATENT
`Docket 6190
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`Express Mail Mailing Label Number:
`
`__ET286535411US
`
`Date ofDepositwith uses:__/Yarche /9, WO
`
`Person tailing Deposit:
`Allen H. Erickson
`Signature
`CLs
`EE:
`
`
`
`
`Michael V. Ryden
`62290 Jay Jay Road
`Montrose, Colorado 81401
`United States of America
`Phone:
`(970) 249-2703
`
`PROVISIONAL APPLICATION
`
`for
`
`LOCATION BASED COMMUNICATIONS SYSTEM
`
`Inventor:
`
`
`
`
`
`
`Agent:
`Allen H. Erickson
`Registration No. 29,792
`3493 Dayton Terrace Sauth
`Inverness, Florida 34452-7111
`Phone Number(352) 341-4803
`CUSTOMER NO. 25202
`
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`5SRTARAMA: SCORN AY EL, 1SLRNSNiktaam
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`Docket 6190
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`LOCATION BASED COMMUNICATIONS SYSTEM
`
`FIELD OF THE INVENTION
`
`The present invention relates generally to
`
`communications systems. More particularly,
`
`the invention
`
`pertains to apparatus and methods for enhanced local and
`
`wide-area communications between stationary and/or roving
`
`telephone units on land, at sea, and in the air.
`
`BACKGROUND OF THE INVENTION
`
`A variety of wireless communications systems are used
`
`to provide voice and data transmission to and from
`
`Subscriber telephonic units within a prescribed geographic
`
`area. Analog cellular systems such as those designated as
`
`AMPS, ETACS, MMT-450 and MMT-900 have been deployed
`
`throughout the world. Subsequently, digital cellular
`
`systems have become common, and include the so-called
`
`personal communications system (PCS)
`
`including those denoted
`
`as IS-95m OCS~1900, PACS, DCS-1800, DECT, PHS and other
`
`
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`
`
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`20
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`names.
`
`PCS systems generally utilize a radio frequency band
`
`of about 2 gigahertz (Ghz) for both voice and data
`
`transmission.
`
`In a conventional terrestrial wireless communication
`
`system, wireless mobile terminals, i.e. cellular phones may
`
`25
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`communicate with a plurality of cells served by base
`
`stations and a mobile telephone switching office.
`
`Communication is enabled between mobile telephones and
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`between a mobile telephone and a land line terminal, e.g.
`
`conventional telephone or computer.
`
`Celestial wireless communications systems are known,
`
`and comprise typically a plurality of earth satellites that
`
`serve as transponders or relays for radio communications
`
`between earth stations and wireless satellite mobile
`
`terminals.
`
`Such cellular systems may utilize a single
`
`antenna beam covering the entire area served by the system,
`
`or alternatively,
`
`the system may produce multiple beams
`
`10
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`(with minimal overlap), each beam serving a distinct
`
`
`
`
`
`geographic coverage area within the service region. Thus, a
`
`satellite and coverage area serve the same purpose as a base
`
`station and a cell of a non-satellite cellular
`
`communications system.
`
`Various systems for locating one's earth position are
`
`in place including the well-known Global Positioning System
`
`(GPS).
`
`In this application, electronic position locating
`
`systems will be referred to generically as physical location
`
`systems (PLS).
`
`Various methods and apparatus for integrating a
`
`physical location system (PLS) such as a global position
`
`satellite system (GPS) with a satellite communications
`
`system are described in the patent literature, as noted
`
`below.
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`25
`
`In U.S. Patent No. 5,448,623 of Wiedeman et al., a
`
`satellite communications system is disclosed having a
`
`network of gateways which interface with a terrestrial
`
`communications system.
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`U.S. Patent No. 5,946,618 of Agre et al., describes a
`mobile telephone system employing a fleet of communications
`satellites and a set of gateway ground stations arranged
`around the globe for handling communications to and from
`mobile subscriber units.
`The location of a mobile unit is
`determined using a GPS satellite system, and the mobile unit
`transmits the location to a gateway.
`The disclosure
`presents methods for selecting which service provider will
`handle a call made by a mobile unit, and ways for directing
`emergency calls to the proper authorities.
`In addition,
`methods for handling a mobile unit call toa nearby phone
`which is far distant from the calling unit's home area are
`disclosed, wherein the call is handled as a local call
`irrespective of whether a long distance area code or trans-
`country prefix is dialed.
`U.S. Patent No. 5,995,041 of Bradley et al. discloses 4
`satellite phone for direct communication with a
`communications satellite system.
`The phone may be
`stationary or mobile, and generates a highly directed
`antenna beam which is continuously controlled regardless of
`the position of the phone, using GPS determined coordinates
`of both the phone and a communications satellite.
`In U.S. Patent No. 6,028,514 of Lemelson et al., a
`A
`system is described for monitoring a person's location.
`few standardized warning messages may be transmitted to the
`person, and a few emergency messages may be transmitted from
`the person's unit to a command center.
`The person's
`location is calculated from GPS signals, and the
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`communications are transmitted via a terrestrial cellular
`
`system or via communication satellites.
`
`U.S. Patent No. 6,041,222 of Horton et al. describes a
`
`wireless mobile terminal having a communication transceiver
`
`and a GPS transceiver.
`
`The two transceivers share a common
`
`frequency reference signal which is used for signal
`
`demodulation and processing.
`
`The reference indicates
`
`utility in an advanced "911" system whereby an emergency
`
`call by e.g. an accident victim would include the GPS
`
`location of the victim.
`
`It is also indicated that radio
`
`communications from a communications satellite could be
`
`hightly directed (in "pencil beams") if the mobile
`
`terminal's location is accurately known. This would save
`
`considerable transmission energy.
`
`In U.S. Patent No. 6,064,336 of Krasner, a GPS receiver
`
`having a communications link is described.
`
`A precision
`
`carrier frequency is used to calibrate the local oscillator
`
`such that its output is modified by a reference signal
`
`generated from the precision carrier frequency signal. More
`
`particularly, satellite almanac data are transmitted to a
`
`remote GPS receiver unit from a base station.
`
`The remote
`
`GPS receiver unit uses the almanac data to determine
`
`approximate Doppler data for the satellite in the "view" of
`
`the receiver unit.
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`As described in U.S. Patent No. 6,061,561 of Alanara et
`
`al., a mobile station within the geographic limits of a
`
`"cell" receives a signal from the cellular base station
`
`indicating the location of the base station.
`
`The location
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`data are stored in the mobile station and transmitted in
`
`calls made therefrom.
`
`In U.S. Patent No. 6,002,363 of Krasner, a cellular
`
`mobile unit is disclosed which has a GPS receiver for
`
`determination of the unit's location.
`
`The circuitry for GPS
`
`receiving/calculating operations and cellular communications
`
`operations are shared, requiring that both operations cannot
`
`be used simultaneously.
`
`U.S. Patent No. 5,890,092 of Kato et al. describes a
`
`navigation system for vehicles wherein direction of movement
`
`(heading)
`
`is calculated using a geomagnetic sensor, steering
`
`sensor, gyro, or the like.
`
`The heading data is combined
`
`with GPS position data to determine the route and velocity
`
`of a vehicle.
`
`As disclosed in U.S. Patent No. 6,044,257 of Boling et
`
`al., a "panic button" cell phone may be activated to receive
`
`GPS signals and calculate its position.
`
`The phone may be
`
`used to call to an emergency response center (ERC) which is
`
`given the phone's position.
`
`In addition to a sound alarm, a
`
`low-range radio may be used to activate a household alarm
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`10
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`
`
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`system.
`
`A cellular communications device is described in U.S.
`
`Patent No. 6,067,082 of Enmei
`
`in which its position is
`
`calculated from GPS signals, and transmitted in
`
`25
`
`communications (voice, facsimile and data) made from the
`
`device.
`
`In the current state of the art, each cellular
`
`telephone unit has a unique identification code. Radio
`
`Signals (initiated by other units} which present that code
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`will initiate a response from the called unit, as long as
`the called unit is "switched ON" and is within radio range
`to receive the radio signals. Cellular telephone
`communication with ships at sea is non-existent unless the
`ship is in port or near land having a nearby cellular tower.
`Currently, radio communications at sea require a person
`to maintain a radio ON and listen to various parties
`communicating on the same channel.
`In proper use,
`the radio
`must be kept ON and audible. Because it is tiresome to
`continuously listen to conversation which is not specific to
`the listener's vessel, radios are generally ignored, and
`often are turned OFF. Thus, a call from another vessel is
`unsuccessful. Often, SOS transmissions from nearby ships or
`boats are missed, and the vessel passes the troubled ship
`without any knowledge of the situation. Plans are underway
`to abandon the present maritime communications system in the
`near future because of these and other inherent problems.
`
`SUMMARY OF THE INVENTION
`The present invention comprises a communication system
`which may be integrated with current telephonic systems,
`e.g. hard-wired or cellular, or may be used as a partial or
`complete replacement for current methods of initiating and
`maintaining telephonic (voice, facsimile, data, e-mail,
`etc.) communications between parties.
`The invention requires (1) a system for identifying the
`geographic location of a telephonic unit, e.g. a physical
`position location system (PLS) and (2) a system for message
`transmission. While various systems of each type may be
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`the invention will be illustrated and exemplified
`used,
`herein by use of a PLS system such as uses global position
`satellites (GPS), and radio-telephone transmission through a
`network of communications satellites (CS).
`
`In this location-based communications system, a phone
`
`is located and called by its geographic location, or a
`limited area or space having boundaries which enclose the
`specific geographic location of the called phone. This is
`contrary to the current system using a conventionally
`assigned telephone number for example having at least some
`of a country code, an area code, a local prefix and a
`plural-digit number (four digits in the United States) which
`identify the particular telephone unit.
`In a location-based communications system of the
`invention,
`each mobile unit has apparatus for determining
`its earth location in at least two dimensions, e.g. latitude
`and longitude, and preferably including a third dimension,
`i.e.
`altitude.
`To initiate a call from a first telephone
`unit to a second telephone unit,
`the geographic earth
`location (called G# herein) of the second telephone unit
`(more precisely,
`the PLS antenna of the unit) may be
`the
`identified in the call initiating process. Of course,
`PLS antenna of a telephone unit may be located remotely from
`
`the unit.
`the initiating call from the first
`Preferably,
`telephone unit is directed (e.g.
`through a communications
`transceiver on a satellite or cellular system) to include a
`two-dimensional area or a three-dimensional space having
`boundaries within which the G# (i.e.
`location) of the second
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`telephone unit is located. This area or space is called
`herein a Geographic Zone Number or GZ# for short.
`The call-
`initiating telephone unit may be conventionally hard-wired
`or wireless, and the location based communications system
`may include ground lines between individual telephone units,
`satellite gateways and cellular gateways.
`An initiating telephone call will preferably include
`the G# of the calling telephone unit, a billing number, e.g.
`a conventional telephone number, and a definition of the
`area within which a desired called telephone unit is
`located, e.g. a GZ#.
`The initiating call is transmitted to
`a communications satellite or cellular system, and
`rebroadcast to an area which, at minimum, encloses the G# of
`the desired called telephone unit. The called telephone
`unit receives the initiating call, compares the called
`geographic definition with its own location.
`If there is
`agreement,
`the called telephone unit will signal that it has
`received a call, and an ANSWER command may be entered by its
`
`user to begin communication.
`The location G#s of existing stationary telephone units
`(or the building entry boxes therefor} are currently known,
`or may be readily determined. Since a telephone unit is
`identified by its location, stationary telephone units will
`have permanent G#s in the system's memory. On the other
`hand,
`the G# of a mobile telephone unit will vary as the
`location of the unit changes.
`The current location of a
`mobile telephone may be determined using any available
`method which may be incorporated into a practical mobile
`phone, but preferably uses global position signals from a
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`A preferred embodiment will be capable of
`PLS satellite(s).
`receiving position signals from an orbiting PLS satellite
`system, as well as voice, data and/or facsimile signals and
`the like to/from an orbiting communications satellite
`system. Any type of digital or analog-coded message which
`is capable of transmission may be used in this invention.
`The invention also encompasses methods and apparatus
`
`for operating the location based communication system,
`particularly in marine communications and the like. Methods
`and apparatus for calling a sighted {but unidentified)
`ship(s) in a marine emergency are disclosed. Methods for
`discriminating between a plurality of telephone units within
`a called GZ# are presented. Also, methods for issuing
`telephonic warnings or other messages to all persons with
`telephone units in a specified area or space of any
`definable size e.g. a building, city block, city, county,
`
`specified airspace, etc. are described.
`
`BRIEF DESCRIPTION OF THE DRAWINGS
`
`FIG. 1 is a figurative illustration of an exemplary
`location-based communications system which is constructed
`and operated in accordance with the present invention.
`FIG.
`2 is a block diagram of the components of an
`exemplary telephone unit in accordance with the present
`invention.
`
`FIG. 3 is an elevational view of a mobile telephone
`unit operable in accordance with the present invention.
`FIG. 4 is a top view of a calling telephone unit and a
`called telephone unit,
`the latter having a geographical zone
`
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`surrounding the telephone unit and useful for initiating a
`call to the called telephone unit in accordance with the
`
`invention.
`
`FIG. 5 is a top view of another geographical zone
`having a different shape,
`in accordance with the invention.
`FIG. 6 is a top view of a further geographical zone
`having another shape,
`in accordance with the invention.
`FIG. 7 is a top view of a user defined geographical
`zone for calling a telephone unit estimated to be within the
`geographical zone,
`in accordance with the invention.
`FIG. 8 is an elevational view of a mobile telephone
`
`unit operable in accordance with another embodiment of the
`
`invention.
`
`FIG. 9 is a figurative illustration of the earth's
`
`surface within the service area of a communications
`
`satellite, and depicting a method of calling for assistance
`in accordance with an embodiment of the invention.
`
`FIG. 10 is a flowchart of exemplary preliminary steps
`
`for initiating a telephone cali in accordance with the
`
`methods and apparatus of the invention.
`FIG. 11 is a flowchart of exemplary secondary steps for
`
`completing a telephone calli in accordance with one
`
`embodiment of the invention.
`FIG. 12 is a flowchart of exemplary secondary steps for
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`completing a telephone call in accordance with another
`
`embodiment of the invention.
`FIG. 13 is a flowchart of exemplary secondary steps for
`completing a telephone call in the event of an emergency,
`in
`accordance with a further embodiment of the invention.
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`FIG. 14 is a flowchart of exemplary steps taken by a
`
`location based communications system in response to an
`emergency call in accordance with an embodiment of the
`
`invention.
`FIG. 15 is an illustration of typical parts of a call
`
`origination message of the invention.
`FIG. 16 is a top view of a user-defined expandable
`geographical zone for calling a distant telephone unit
`without knowing its position,
`in accordance with the
`
`10
`
`invention.
`
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`DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
`The present invention will now be described more fully
`hereinafter with reference to the accompanying drawings,
`in
`which examples and preferred embodiments of the invention
`are shown. However, this invention may be embodied in many
`different forms and should not be construed as limited to
`the exemplary embodiments set forth herein. Rather,
`these
`embodiments are provided so that this disclosure will be
`thorough and complete, and will fully convey the scope of
`the invention to those skilled in the art. Like numbers
`refer to like or equivalent elements throughout.
`In this application,
`the term "physical location
`system" or "PLS" is used in a generic sense to denote any
`method for rapid determination of the earth position of a
`telephone unit.
`The PLS may comprise a satellite or fleet
`of satellites which emit radio signals usable by a receiving
`unit to determine its position, i.e.
`latitude and Longitude
`and preferably altitude as well.
`A PLS satellite is denoted
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`The system known as Global
`in FIG. 1 by the numeral 9.
`Positioning Satellite System (GPS)
`is a particular PLS
`system in wide use by U.S. customers and the U.S. military.
`The term “communications satellite" or "CS" denotes one
`or more earth satellites which act as transceivers to relay
`telephone calls between individual telephone units or
`between a telephone unit and a gateway station or another
`satellite by “handing-off".
`A communications satellite CS
`will be identified herein by the numeral 7.
`It should be
`noted that for at least land-based communications, a
`cellular system may be used in lieu of communications
`
`satellites CS.
`The term "telephone unit" is used to describe a
`terminal apparatus by which a user may access a.
`communications system, and may transmit and receive voice,
`data, e-mail, facsimile information and the like. Prior art
`telephone units will be identified herein by the numeral 11
`for stationary phones and 13 for mobile wireless cellular
`phones.
`A telephone unit of this invention is generally
`identified herein by the numeral 10 with suffixes thereto
`representing specific telephone units.
`The numeral 10 with
`alphabetic suffixes such as 10A, 10B, 10C, etc. will denote
`different telephone units or units being operated ina
`particular way.
`A telephone unit may be configured as a
`desk or wall-mounted "hand-set", a mobile unit, vehicle
`mounted telephone unit, a computer terminal or other
`
`apparatus.
`The term “gateway station" identified by the numeral 12
`refers to a communications station which handies the
`
`10
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`transfer of communications between a communications
`
`satellite 7 and a telephone unit on earth. Typically, a
`
`large number of earthbound telephone units 10A may be
`
`linked, typically hard-wired, within a telephone system
`
`having a gateway station 12 for accessing a satellite
`
`communications system.
`
`The invention may be broadly summarized as comprising
`
`methods and apparatus for connecting telephone units 10 for
`
`bidirectional communication on the basis of the earth
`
`location of the calling and/or called telephone units,
`
`rather than on the basis of a conventional assigned
`
`telephone number.
`
`An exemplary system of the present invention is
`
`depicted generally in FIG. 1, and relates to a wireless
`
`communications system 50 using communications satellites 7
`
`and PLS satellites 9 or their equivalents.
`
`A portion of the
`
`earth's surface 25 is depicted and shows land area 27
`separated from water area 29 by coastline 26. Each
`
`telephone unit, generically denoted as 10, will have at any
`
`time a specific earth location noted herein as a geographic
`
`number or G#.
`
`The telephone units initiate and receive
`
`wireless calls through communications satellites 7.
`
`In
`
`addition, mobile telephone units 10 receive PLS signals 32,
`
`typically from a plurality of PLS satellites 9. Signals 32
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`10
`
`
`
`
`
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`25
`
`enable each unit 10 to determine its own earth location i.e.
`
`G# to less than several meters, and preferably less than
`
`several feet using current GPS technology.
`
`PLS systems
`
`under development promise to provide even greater precision
`
`in G#.
`
`The G# may be used in any format which defines an
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`13
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`earth position.
`
`A format of latitude and longitude may be
`
`used, and preferably includes altitude, either above mean
`
`sea level or above the earth's surface, or even below water
`
`surface.
`
`For the sake of clarity, differing locations G# of
`
`telephone units 10 will be denoted by the numeral 30
`
`followed by a suffix.
`
`For example, a particular location in the Pecos River
`
`drainage area of New Mexico, U.S.A.
`
`is approximately 90
`
`miles East of Albuquerque, and may be defined as
`
`10
`
`N35°30'30.71"-W105°30'30.27"-A1905.
`
`In this example,
`
`
`
`
`latitude is represented by a N or § coordinate, and
`
`longitude is represented by an E or W coordinate.
`
`The
`
`altitude is shown as 1905 meters above mean sea level.
`
`For
`
`ease of computation and radio transmission,
`
`the location (in
`
`either 2 or 3 dimensions) may be collated, stored and
`
`transmitted in alpha-numeric or numeric decimal form such
`
`as, for example N35.50853056-W105.50840833-A1905 which
`
`represents the above location.
`
`In this example,
`
`the
`
`latitude and longitude are presented in degrees and
`
`fractions of degrees only.
`
`More preferably,
`
`the latitude and longitude may be
`
`entirely decimal
`
`in form, e.g. wherein 360° is equivalent to
`
`a singular number 1.0. Thus, all locations in latitude or
`longitude will fall between zero and 1.0.
`The location G#
`
`25
`
`30 will have the desired number of decimal places to obtain
`
`the desired precision.
`
`In FIG. 1,
`
`the telephone units 10 may include
`
`stationary units which are typically installed in buildings,
`telephone booths, etc., ‘as well as mobile units which may be
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`personally hand carried or mounted in vehicles such as an
`automobile 16, boat 18 or airplane 22, for example. Where
`
`the text specifically refers to one of a stationary or
`mobile unit, stationary telephone units will be identified
`by the numeral 10A, and mobile units by 10B.
`As is well known, each satellite 7, 7A, etc. of a
`
`communications satellite fleet has a service area 24 on the
`
`earth's surface 25.
`
`In actuality,
`
`the service area 24 may
`
`be three dimensional,
`including a vertical component
`extending above the earth's surface 25 and downwardly to
`below water level. When a telephone call is made from a
`telephone unit 10 in one service area 24 to a telephone unit
`in another service area,
`the call 60 is "handed off" in call
`
`handoff 28 between the appropriate associated satellites 7
`
`and 7A.
`
`The wireless communication system 50 of this
`
`invention is not dependent upon other hard-wired, cellular
`or satellite systems, but access between the systems may be
`
`provided.
`The location based communications system 50 of the
`
`invention may be universal in scope in which all telephone
`units 10 are equipped for communication to other units by
`specifying the unit's earth location. Alternatively, it may
`be integrated with other systems currently used or proposed
`for use.
`For example, conventional (e.g. hard- or optical-
`wired as at 52)
`telephone units 11 may be accessed from the
`
`satellite communications system through gateway radio
`communication 58 with gateway stations 12, as known in the
`art. Likewise, a cell gateway tower 54 may be accessed from
`a communications satellite 7 to provide cellular/satelilite
`
`10
`
`
`
`25
`
`15
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`service to conventional mobile phone units 13 within the
`
`cell 56.
`
`Turning now to FIGS. 2 and 3, an example of a wireless
`telephone unit 10 of the invention is illustrated. Fic. 3
`depicts a mobile version 10B of telephone unit, such as 4
`personal or vehicle-installed radiotelephone, and is used
`herein to illustrate one embodiment of the unit.
`The unit
`
`10 is illustrated as using radio frequency RF signals 60
`
`the
`to/from communications satellites 7. As shown,
`telephone unit 10 includes an antenna 62 for transmitting
`radio frequency (RF) signals 60 to and receiving radio
`frequency (RF) signals 60 (or other type of transmission)
`from a transceiver of a communications satellite (CS) 7.
`
`Alternatively,
`
`the antenna 62 may send/receive signals
`
`to/from a cellular tower or other system.
`
`the
`In the particular example shown in FIG. 2,
`telephone unit 10B includes a modulator 64, a RF transmitter
`66, a RF receiver 68, a demodulator 72, and a controller 70
`that processes signals from the receiver 68 and signals to
`
`the transmitter 66.
`
`The telephone unit 10B also includes a location
`determination device 80 which may comprise a computer which
`
`determines the specific location i.e. G# of the telephone
`
`unit 10B based on wireless signals 32 from a physical
`
`location system satellite (PLS) or satellites 9 received by
`PLS signal antenna 84.
`The location data may be stored in
`memory 82 as a latitude number 34 and a longitude number 36,
`and preferably with an altitude number 38,
`the combination
`together indicating the location or G# 30 of the telephone
`
`10
`
`
`
`
`25
`
`16
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`unit 10 on the earth's surface 25 or in three dimensions
`
`including altitude e.g. above sea level, or alternatively
`
`above ground level. As already indicated,
`the location may
`be configured and stored in memory 82 as a numeric or alpha-
`
`numeric string indicative of the 2-dimensional or 3-
`
`dimensional position. Note that in the embodiment of
`
`telephone unit 10B in FIG. 3,
`
`the PLS signal antenna 84 is
`
`combined with the communications satellite signal antenna
`
`62.
`
`10
`
`The telephone unit 10B includes a power supply 74,
`
`
`
`
`
`which typically includes a rechargeable battery (e.g. for a
`
`hand-held mobile unit i10B, and accessible through door 98 in
`
`the case 99) or conventional AC or DC power (e.g. for a
`
`stationary unit 10A or vehicle-mounted mobile unit.)
`
`Also included in telephone unit 10B are a speaker 76
`
`for audio e.g. voice output 78 and a microphone 83 for audio
`
`input 86.
`
`A display screen 88 provides visual indications
`
`of control messages,
`
`the unit's own G# 30A,
`
`the G# 30B
`
`and/or geographic zone GZ# 20 (see FIG. 4) of a currently
`
`called telephone unit,
`
`transmitted data messages, etc.
`
`A
`
`user input device 90 with computer interface connections,
`
`typically a keypad with multiple keys, enables a user to
`
`operate the telephone unit 10B. As shown in FIG. 3, a user
`
`input device 90 may include not only a conventional
`
`25
`
`telephone alphanumeric keyboard 94 with keys 92A, but
`
`additional command keys 92B for operation of the various
`
`devices and functions of the telephone unit 10, and an ON-
`
`OFF switch 92C.
`
`As shown, each of the devices associated
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`Docket 6190
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`with the telephone unit 10 is connected to the controller 70
`for coordination and control thereof.
`In general, a stationary version of the telephone unit
`10 may have the same components as a mobile version, i.e. CS
`antenna 62, transmitter 66, modulator 64, receiver 68,
`demodulator 72, controller 70, power supply 74, speaker 76,
`microphone 84,
`location determination device 80, display 88,
`user input device 90 and memory 82 as well as memory in the
`controller and other devices of the unit.
`
`In one embodiment of the telephone unit 10,
`
`the unit
`
`also includes apparatus for determining the compass
`
`direction from the telephone unit 10B to another telephone
`
`unit. Several types of direction-finding devices 100 with
`direction memory 102 (see FIG. 2) are described,
`infra,
`
`together with the purpose and use thereof.
`As already indicated, an exact location on the earth's
`surface 25 or in the space about the earth's surface 25 or
`even below sea level may be defined in two "dimensions" or
`three "dimensions", respectively.
`If the exact location G#
`
`30 of a to-be-called telephone unit 10C is known, a
`telephone call to that G# from another telephone unit will
`result in a communication connection. However,
`there are
`obvious sources of error which make use of an "exact" G# 30
`difficult to use in practice.
`For example, under certain
`conditions,
`some current PLS systems are incapable of
`defini
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