Case 2:17-cv-00513-JRG Document 240-6 Filed 12/18/18 Page 1 of 22 PageID #: 14569
`Case 2:17-cv-00513-JRG Document 240-6 Filed 12/18/18 Page 1 of 22 PageID #: 14569
`
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`EXHIBIT 6
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`EXHIBIT 6
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`Case 2:17-cv-00513-JRG Document 240-6 Filed 12/18/18 Page 2 of 22 PageID #: 14570
`III III IID lIDI ID lID III II IDI DII IDI II DI II
`
`US009749829B2
`
`(12) United States Patent
`Beyer, Jr. et al.
`
`(10) Patent No.:
`(45) Date of Patent:
`
`US 9,749,829 B2
`*Aug. 29, 2017
`
`(54) METHOD TO PROVIDE AD HOC AND
`PASSWORD PROTECTED DIGITAL AND
`VOICE NETWORKS
`
`(71) Applicant: AGIS Software Development LLC,
`Marshall, TX (US)
`
`(72)
`
`Inventors: Malcolm K. Beyer, Jr., Jupiter, FL
`(US); Christopher R. Rice, Redmond,
`WA (US)
`
`(73) Assignee: AGIS Software Development LLC,
`Marshall, TX (US)
`
`* ) Notice:
`
`Subject to any disclaimer, the term of this
`patent is extended or adjusted under 35
`U.S.C. 154(b) by O days.
`This patent is subject to a terminal dis-
`claimer.
`
`(21) Appl. No.: 14/633,764
`
`(22)
`
`Filed:
`
`Feb. 27, 2015
`
`(65)
`
`Prior Publication Data
`US 2016/0021522 Al
`Jan. 21, 2016
`
`Related U.S. Application Data
`(63) Continuation of application No. 14/529,978, filed on
`Oct. 31, 2014, now Pat. No. 9,467,838, which is a
`(Continued)
`
`(51)
`
`Int. Cl.
`H04W4/22
`HO4W 76/00
`
`(2009.01)
`(2009.01)
`(Continued)
`
`(52) U.S. Cl.
`CPC ............ H04W4/22 (2013.01); G06F3/0482
`(2013.01); GO6F 3/04842 (2013.01);
`(Continued)
`
`(58) Field of Classification Search
`CPC ....................................................... HO4W 4/02
`(Continued)
`References Cited
`
`(56)
`
`U.S. PATENT DOCUMENTS
`
`5,555,286 A
`5,898,434 A
`
`9/1996 Tendler
`4/1999 Small et al.
`(Continued)
`
`FOREIGN PATENT DOCUMENTS
`
`JP
`JP
`
`H085394
`H09113288
`
`1/1996
`5/1997
`(Continued)
`
`OTHER PUBLICATIONS
`
`GateS, "Mobile Community Solution: Context-sensitive application
`suite for mobile communities," published in 2002.
`(Continued)
`
`Primary Examiner Omoniyi Obayanju
`(74) Attorney, Agent, or Firm - Goodwin Procter LLP
`
`ABSTRACT
`(57)
`A method and system includes the ability for individuals to
`set up an ad hoc digital and voice network easily and rapidly
`to allow users to coordinate their activities by eliminating
`the need for pre-entry ofdata into a web or identifying others
`by name, phone numbers or email. This method is especially
`useful for police, fire fighters, military, first responders or
`other emergency situations for coordinating different orga-
`nizations at the scene of a disaster to elevate conventional
`communication problems either up and down the chain of
`command or cross communication between different emer-
`gency units. The method and system provides that the users
`are only required to enter a specific Server IP address and an
`ad hoc event name, a password and perhaps the name of the
`particular unit.
`68 Claims, 7 Drawing Sheets
`
`J
`
`Bm
`
`

`

`Case 2:17-cv-00513-JRG Document 240-6 Filed 12/18/18 Page 3 of 22 PageID #: 14571
`
`US 9,749,829 B2
`Page 2
`
`Related U.S. Application Data
`continuation-in-part of application No. i 4/027,410,
`filedon Sep. 16, 2013, now Pat. No. 8,880,042, which
`is a continuation of application No. 13/75 1 453, filed
`on Jan. 28, 2013, now Pat. No. 8,538,393, which is a
`continuation-in-part of application No. i 2/761,533,
`filed onApr. 16, 2010, now Pat. No. 8,364,129, which
`is a continuation-in-part of application No. 11/615,
`472, filed on Dec. 22, 2006, now Pat. No. 8,126,441,
`which is a continuation-in-part of application No.
`11/308,648, filed on Apr. 17, 2006, now Pat. No.
`7,630,724, which is a continuation-in-part of appli-
`cation No. 10/711,490, filed on Sep. 21, 2004, now
`Pat. No. 7,031,728.
`
`(2006.01)
`(2009.01)
`(2009.01)
`(2006.01)
`(2009.01)
`(2009.01)
`(2009.01)
`(2009.01)
`(2009.01)
`(2013.01)
`(2013.01)
`(2006.01)
`(2006.01)
`(2009.01)
`(2009.01)
`(2009.01)
`(2009.01)
`(2009.01)
`(2006.01)
`(2006.01)
`(2009.01)
`
`(51) mt. Cl.
`HO4M 1/725
`HO4W 68/00
`H04W4/02
`HO4M 1/2745
`H04W4/08
`HO4W 64/00
`H04W84/18
`H04W12/08
`H04W12/02
`GO6F 3/0482
`GO6F 3/0484
`HO4L 29/06
`HO4L 29/08
`H04W12/06
`HO4W 68/04
`HO4W 76/02
`HO4W 4/10
`HO4W 12/04
`HO4L 29/12
`HO4M 7/00
`HO4W 84/04
`(52) U.S. Cl.
`cPc .......... HO4L 61/605 (2013.01); HO4L 63/065
`(2013.01); HO4L 63/083 (2013.01); HO4L
`63/104 (2013.01); HO4L 67/18 (2013.01);
`HO4M 1/27455 (2013.01); HO4M 1/72519
`(2013.01); HO4M 1/72536 (2013.01); HO4M
`1/72547 (2013.01); HO4M 1/72572 (2013.01);
`HO4M1/72583 (2013.01); H04W4/02
`(2013.01); H04W4/021 (2013.01); HO4W
`4/023 (2013.01); H04W4/026 (2013.01);
`H04W4/027 (2013.01); H04W4/08
`(2013.01); H04W12/02 (2013.01); HO4W
`12/06 (2013.01); H04W12/08 (2013.01);
`H04W64/00 (2013.01); H04W68/00
`(2013.01); H04W68/04 (2013.01); HO4W
`76/007 (2013.01); H04W84/18 (2013.01);
`HO4L 61/2007 (2013.01); HO4M 1/72525
`(2013.01); HO4M 7/006 (2013.01); HO4M
`2250/10 (2013.01); HO4M 2250/22 (2013.01);
`H04M2250/62 (2013.01); H04W4/1O
`(2013.01); HO4W 12/04 (2013.01); HO4W
`76/005 (2013.01); HO4W 76/021 (2013.01);
`HO4W 84/042 (2013.01)
`(58) Field of Classification Search
`USPC ............................................ 455/404.2, 456.1
`See application file for complete search history.
`
`(56)
`
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`
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`
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`
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`
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`
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`2/2006 Zhovnirovsky et ai.
`2/2006 Mizuno et ai.
`
`

`

`Case 2:17-cv-00513-JRG Document 240-6 Filed 12/18/18 Page 4 of 22 PageID #: 14572
`
`US 9,749,829 B2
`Page 3
`
`(56)
`
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`
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`
`* cited by examiner
`
`

`

`Case 2:17-cv-00513-JRG Document 240-6 Filed 12/18/18 Page 5 of 22 PageID #: 14573
`
`U.S. Patent
`
`Aug. 29, 2017
`
`Sheet 1 of 7
`
`US 9,749,829 B2
`
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`

`

`Case 2:17-cv-00513-JRG Document 240-6 Filed 12/18/18 Page 6 of 22 PageID #: 14574
`
`U.S. Patent
`
`Aug. 29, 2017
`
`Sheet 2 of 7
`
`US 9,749,829 B2
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`Case 2:17-cv-00513-JRG Document 240-6 Filed 12/18/18 Page 7 of 22 PageID #: 14575
`
`U.S. Patent
`
`Aug. 29, 2017
`
`Sheet 3 of 7
`
`US 9,749,829 B2
`
`AD HOC
`NETWORK
`NAME AND
`PASSWORD AND
`USER NAME
`
`[iONAL
`AD HOC
`[As/PCS
`
`*.
`SERVER
`
`TEMPORARY
`RETENTION OF
`NAMES AND P
`ADDRESSES
`
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`
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`NETWORK
`NAME AND
`PASSWORD ÂNE)
`USER NAME
`
`[OC
`
`NETWORKED
`PC
`
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`PASSWORD PROTECTED (J\fg
`FiRE
`NEIWORK AND ENIERS A PIT GROUP
`CRANNEL.
`
`AS NET PAR11CPANTS SIGN ON TO THE AD HOC
`PASSWORD PROTECTED KATRNA FiRE
`NE1VORK THEY RECEWE A PIT GROUP
`1HER
`DESGNATOR
`DA AUÌONAIICALLY USES
`THE PIT DATA TO SHFT IO THE COMWNDED
`VOiCE CHANNEL.
`
`FIG. 6
`
`

`

`Case 2:17-cv-00513-JRG Document 240-6 Filed 12/18/18 Page 8 of 22 PageID #: 14576
`
`U.S. Patent
`
`Aug. 29, 2017
`
`Sheet 4 of 7
`
`US 9,749,829 B2
`
`NAME,
`LOCAIION,
`SIAThS AND
`PHONE
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`CHANNEL 7 PHONE NUMBER AS EACH
`AD HOC PASSWORD PROTECTED
`KATRNA RRE NETWORK UNIT REPORTS
`
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`THEY TRANSMIT 111ER NAME, LOCATION. STATUS
`AND PU PHONE NUMBER.
`ALL ON THE
`KATRNA flRE NETWORK RECEE ALL OTHERS
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`
`FIG. 7
`
`

`

`Case 2:17-cv-00513-JRG Document 240-6 Filed 12/18/18 Page 9 of 22 PageID #: 14577
`
`U.S. Patent
`
`Aug. 29, 2017
`
`Sheet S of 7
`
`US 9,749,829 B2
`
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`

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`Case 2:17-cv-00513-JRG Document 240-6 Filed 12/18/18 Page 10 of 22 PageID #: 14578
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`Case 2:17-cv-00513-JRG Document 240-6 Filed 12/18/18 Page 11 of 22 PageID #: 14579
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`

`

`Case 2:17-cv-00513-JRG Document 240-6 Filed 12/18/18 Page 12 of 22 PageID #: 14580
`
`US 9,749,829 B2
`
`i
`METHOD TO PROVIDE AD HOC AND
`PASSWORD PROTECTED DIGITAL AND
`VOICE NETWORKS
`
`CROSS REFERENCE TO RELATED
`APPLICATIONS
`
`This application is a continuation ofU.S. patent applica-
`tion Ser. No. 14/529,978 filed on Oct. 31, 2014, which is a
`continuation-in-part of U.S. patent application Ser. No.
`14/027,410 filed on Sep. 16, 2013, now U.S. Pat. No.
`8,880,042, issued Nov. 4, 2014, which is a continuation of
`U.S. patent application Ser. No. 13/751,453 filed Jan. 28,
`2013, now U.S. Pat. No. 8,538,393 issued Sep. 17, 2013,
`which is a continuation-in-part of U.S. patent application
`Ser. No. 12/761,533 filed on Apr. 16, 2010, now U.S. Pat.
`No. 8,364,129 issued Jan. 29, 2013, which is a continuation-
`in-part ofU.S. patent application Ser. No. 11/615,472 filed
`on Dec. 22, 2006, now U.S. Pat. No. 8,126,441 issued on
`Feb. 28, 2012, which is a continuation-in-part ofU.S. patent
`application Ser. No. 11/308,648 filed Apr. 17, 2006, now
`U.S. Pat. No. 7,630,724 issued on Dec. 8, 2009, which is a
`continuation-in-part of U.S. patent application Ser. No.
`10/711,490, filed on Sep. 21, 2004, now U.S. Pat. No.
`7,031,728 issued on Apr. 18, 2006. All of the preceding
`applications are incorporated herein by reference in their
`entirety.
`
`BACKGROUND OF THE INVENTION
`
`Field of the Invention
`A communications method and system using a plurality of
`cellular phones each having an integrated Personal Digital
`Assistant (PDA) and Global Positioning System (GPS)
`receiver for the management of two or more people through
`the use of a communications network. The method and
`system provide each user with an integrated handheld ccl-
`lular/PDAIGPS/phone that has Advanced Communication
`Software application programs (hereinafter referred to as
`ACS) and databases used in conjunction with a remote
`Server that enable a user to quickly establish a communi-
`cation network of cell phone participants having a common
`temporary ad hoc network using mobile wireless commu-
`nication devices.
`The invention includes a method and communication
`system to quickly set up and provide ad hoc, password
`protected, digital and voice networks to allow a group of
`people to be able to set up a network easily and rapidly,
`especially in an emergency situation.
`Description of Related Art
`The purpose of a communications system is to transmit
`digital messages from a source, located at one point, to user
`destination(s), located at other point(s) some distance away.
`A communications system is generally comprised of three
`information channel and
`basic
`elements:
`transmitter,
`receiver. One form of communication in recent years is
`cellular phone telephony. A network of cellular communi-
`cation systems set up around an area such as the United
`States allows multiple users to talk to each other, either on
`individual calls or on group calls. Some cellular phone
`services enable a cellular phone to engage in conference
`calls with a small number of users. Furthermore, cellular
`conference calls can be established through 800 number
`services. Cellular telephony also now includes systems that
`include GPS navigation that utilizes satellite navigation.
`
`20
`
`These devices thus unite cellular phone technology with
`navigation information, computer information transmission
`and receipt of data.
`The method and operation of communication devices
`5 used herein are described in U.S. Pat. No. 7,031,728 which
`is hereby incorporated by reference and U.S. Pat. No.
`7,630,724.
`Military, first responder, and other public and private
`emergency groups need to be able to set up ad hoc digital
`lo and voice networks easily and rapidly. These private net-
`works may be temporary or longer lasting in nature. The
`users need to be able to rapidly coordinate their activities
`eliminating the need for pre-entry of data into a web and or
`identifying others by name, phone numbers or email
`15 addresses so that all intended participants that enter the
`agreed ad hoc network name and password are both digitally
`and voice interconnected. When a user or users leave the
`network, no data concerning the network participants need
`be retained.
`Coordinating different organizations at the scene of a
`disaster presents several problems as there are voice and
`digital data (text messages) communications that need to be
`constantly occurring up and down the chain of command. As
`an example, communications are required from a police
`25 chief to a police captain to a police lieutenant to a police
`sergeant to a policeman and then back up the same chain of
`command. Digital data exchange ofGPS data or other means
`provides the location component of the units. Digital chat,
`text messages, white boards and photo video exchange
`30 provide extensive collaboration. However, during a disaster,
`other first responders such as fire departments must become
`engaged. While the fire department users may have voice
`and digital data (text messages) communications up and
`down their chain of command, these individuals do not have
`35 the ability to cross communicate necessarily with police
`units without a substantial degree of immediate coordina-
`tion. The method and system in accordance with the present
`invention described herein discloses how digital communi-
`cations along with Personal Computer (PC) and PDA
`40 devices can be used to quickly establish user specific pass-
`word protected private ad hoc voice and data networks to
`enable both data and voice communications up and down
`their chain of command and simultaneously with different,
`not pre-known, organizations responding to a disaster. The
`45 invention defines a method of accomplishing this by pro-
`viding all personnel that need to communicate with each
`other with a PC or PDA which are interconnected to a Server
`using cellular or other communications.
`
`50
`
`SUMMARY OF THE INVENTION
`
`Applicant's communication system and method described
`herein is embodied in the Advanced Communication Soft-
`ware (ACS) application programs developed by applicant
`55 and installed in the integrated PDAIGPS cell phones used
`herein and remote Servers.
`A plurality of Internet Protocol (IP) capable PDAIGPS
`devices each having ACS application programs and data-
`bases provides a communication network in conjunction
`60 with a remote Server that provides the ability to: a) establish
`an ad hoc network of devices so that the devices can either
`broadcast to a group or selectively transmit to each of the
`other; each PDAIGPS phone starts by requesting access to
`the Server and identifying a mutually agreed to network
`65 name and password and once granted, reports its GPS
`position and status; the Server then routes the data to all
`signed on network participants so that each of the devices
`
`

`

`Case 2:17-cv-00513-JRG Document 240-6 Filed 12/18/18 Page 13 of 22 PageID #: 14581
`
`US 9,749,829 B2
`
`3
`exchange location, status and other information; (b) foite
`the received information to the recipient's display and
`enable the recipient to acquire additional information by
`touching the display screen at a remote phone's location on
`the PDA display; (c) make calls to or send data to remote
`phones by touching their display symbols and selecting the
`appropriate soft switch; (d) layer a sufficient number of soft
`switches or buttons on the PDA display to perform the above
`functions without overlaying the map; and (e) allow a
`polling mode in each cell phone that permits a user to
`contact other cell phone users that have a common interest
`or relationship with a password and identifier for commu-
`nication and to establish quickly a temporary ad hoc network
`especially in an emergency.
`A communication Server acts as a forwarder for IP
`communications between any combination of cell phone!
`PDA users and/or PC based users. Network participant
`location, identity and status messages are sent to the Server
`by each user. Network participant entered tracks are also
`sent to the Server. Because this network participant location
`and track data is of interest to all the network participants,
`the Server forwards the data received from one participant to
`all other participants, causing their displays automatically,
`without any operator action, to display the received infor-
`mation, thus providing the information necessary for all
`network participants to know the identity, location and status
`of all other network participants.
`The Server also acts as a forwarder ofdata addressed from
`one participant to one or more addressed participants, thus
`permitting the transmission of free text, preformatted mes-
`sages, photographs, video, Email and Uniform Resource
`Locator (TJRL) data from one network participant to other
`selected network participants.
`The above functions can also be accomplished using peer
`to peer WiFi, WiMax or other peer to peer communications.
`However, for use with cellular communications and to
`assure the level of security that cell phone companies
`require, a centralized static IP routable Server is used.
`The IP Server also fills another role of being a database
`from which data can be requested by network participants
`(i.e. maps, satellite images, and the like) or can be pushed to
`symbology and soft
`network participants
`switch
`(i.e.
`changes, and the like). The Server is used to establish an ad
`hoc network within certain groups using an ad hoc event
`name and password.
`This invention provides a method and a system establish-
`ing an ad hoc password protected digital and voice network
`that can be temporarily set up or longer lasting in nature. The
`invention described herein allows users to rapidly coordinate
`their activities without having to pre-enter data into a web or
`identify others by name, E mail addresses or phone numbers.
`Essentially the users that establish the ad hoc and password
`protected digital and voice networks are required to enter the
`Server's IP address and an ad hoc event name and a
`password. In the case of military and first responders, the
`name ofthe user's unit may also be used. This action causes
`the specific PDA or PC of the user to commence reporting
`directly to the Server's IP address. Once the Server receives
`the initial IP message from the user's PDA or PC, the server
`can commence to exchange data with the user's PDA or PC.
`The initial IP message may also contain additional data such
`as a license number and, if desired, a phone number manu-
`ally entered or automatically acquired by the ACS. The IP
`address of the PDA and PC unit sending the initial IP
`message is stored by the Server. The Server then responds
`with a message notifying the user that his PC!PDA is
`connected to the Server. The user PDAIPC then reports its
`
`1 5
`
`4
`GPS location and other status information directly to the
`Server. This information is retained by the Server even when
`there are no other devices initially communicating with the
`Server. When the other user's devices sign on to the Server
`5 with the same ad hoc event name and password, the Server
`software then recognizes all the users and stores their IP
`addresses in the Server. Thus the Server has all the users IP
`addresses stored and can pass location and status informa-
`tion among the ad hoc network participants even though the
`lo network participants have not entered other network partici-
`pants' names, phone numbers or email addresses. Thus one
`of the purposes of the invention is to allow an ad hoc
`network to be formed on a temporary basis in a rapid
`manner.
`When using the PTT feature, the ACS can enable the
`network participant to: i . PTT with all that are in the ad hoc
`digital network, or 2. PTT with select specific network
`participants, by touching their symbol(s) and then selecting
`20 PTT soft switch or 3. Specify a group of the network
`participants by assigning their symbols or unit names to a list
`of network participants and then associating the list with a
`soft switch whose function is to enable the operator to have
`PTT communications with all in the list.
`Since only one person is transmitting on a PTT voice
`network at any given time, the receiving network partici-
`pant's ACS can relate the PTT IP address to the IP address
`of the unit transmitting his identification on the digital ad
`hoc network. This information can then be used by the other
`30 PTT networked participant's ACS to: i . flash the transmit-
`ting unit's name on their PDAIPC screens or 2. if a photo-
`graph has been attached to the ad hoc digital network symbol
`of the PTT transmitting person, to flash that photograph on
`the receiving unit's PDAIPC display.
`It is an object ofthis invention to enable each participant
`in the communication network to join other ad hoc network
`participants to form an ad hoc digital and voice network with
`other cell phone users rapidly for coordinating member
`40 activities.
`In accordance with these and other objects which will
`become apparent hereinafter, the instant invention will now
`be described with particular reference to the accompanying
`drawings.
`
`25
`
`35
`
`45
`
`BRIEF DESCRIPTION OF THE DRAWINGS
`
`50
`
`FIG. i shows a front plan view of a cellular phone!PDAI
`GPS having a touch screen.
`FIG. 2 shows the screen IP address entry menu.
`FIG. 3 shows ad hoc net names and password screen entry
`name.
`FIG. 4 shows a screen entry identifying user.
`FIG. S shows a flow chart ofthe network as users sign on
`55 to the network.
`FIG. 6 shows a flow chart that depicts how a group
`commander can command networked PDAs!PCS and radios
`to load a Push To Talk (PTT) channel.
`FIG. 7 shows a flow chart that depicts how networked
`radio units respond to receipt of the Push-to-Talk (PTT)
`Commanded Channel.
`FIG. 8 shows a PDA screen geographical display that
`represents the area covered by the network.
`FIG. 9 shows a diagram that enables determining location,
`status, ViOP, PTT, and video communication between radios
`and cell phones.
`
`60
`
`65
`
`

`

`Case 2:17-cv-00513-JRG Document 240-6 Filed 12/18/18 Page 14 of 22 PageID #: 14582
`
`US 9,749,829 B2
`
`5
`FIG. 10 shows a diagram that describes enabling non
`RFID equipped PDA phones to receive RFID tag data.
`
`PREFERRED EMBODIMENT OF THE
`INVENTION
`
`A method and communication system that joins a com-
`munications network of participants using handheld cell
`phones having integrated PDA and GPS circuitry with ACS
`application programs that allow a participant having an ACS
`equipped cell phone to provide an ad hoc and password
`protected digital and voice network.
`A communication Server acts as a forwarder for IP
`communications between any combination of cell phone!
`PDA users and/or PC based user. Network participant loca-
`tion, identity and status messages are sent to the Server by
`each user. Network participant entered tracks are also sent to
`the Server. Because this data is of interest to all the network
`participants, the Server forwards the data received from one
`participant to all other participants, thus providing the infor-
`mation necessary for all network participants to know the
`identity, location and status ofall other network participants.
`The Server allows the set up of the ad hoc network with
`an ad hoc event name and a password.
`The Server also acts as a forwarder ofdata addressed from
`one participant to one or more addressed participants, thus
`permitting the transmission of free text, preformatted mes-
`sages, photographs, video, email and URL data from one
`network participant to other selected network participants.
`Referring now to the drawings and, in particular, to FIG.
`1, a small handheld cellular phone 10 is shown that includes
`a PDA and a GPS communications device integrated in
`housing 12 that includes an onloff power switch 19, a
`microphone 38, and a Liquid Crystal Display (LCD) display
`16 that is also a touch screen system. The small area 16a is
`the navigation bar that depicts the telephone, GPS and other
`status data and the active software. Each cell phone includes
`a Central Processing Unit (CPU) and databases that store
`information useful in the communication network. The CPU
`also includes a symbol generator for creating touch screen
`display symbols discussed herein. With the touch screen 16,
`the screen symbols are entered through GPS inputs or by the
`operator using a stylus 14 (or operator finger) by manipu-
`latively directing the stylus 14 to literally touch display 16.
`The soft switches 16d displayed on the display 16 are
`likewise activated by using a stylus 14 and physically and
`manipulatively directing the stylus to literally touch display
`16. The display x, y coordinates of the touched point are
`known by a CPU in the PDA section of the communication
`system in housing 12 that can coordinate various informa-
`tion contained in the PDA relative to the x, y coordinate
`positiononthe display 16. Insidehousing 12 is contained the
`conventional cellular phone elements including a modem, a
`CPU for use with a PDA and associated circuitry connected
`to speaker 24 and microphone 38. A GPS navigational
`receiver that receives signals from satellites that can deter-
`mine the latitude and longitude ofthe cellular phone housing
`12 can be internal or external to the housing 12. Conven-
`tional PDAIcellular phones are currently on sale and sold as
`a unit (or with an external con