ra
`UTILITY
`F =
`PATENT APPLICATION
`100
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`26
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` Nameof Assignee_Research In Motion Limited
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`namein the prior application, see 37 CFR
`Copiesof citations attached
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`1.63(d)(2) and 1.33(b).
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`6.[_] Application Data Sheet. See 37 CFR 1.76
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`et
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`--D. .-.—----Specification.SequenceListing.on:
`ia
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`— a — —=—=" —=Applicantmustattach-form-PTO/SB/35:or-equivalent=——.-fexg-4
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`cp-RoM or CD-R(2 copies);or
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`Continuation
`J Divisional
`CL Continuation-in-part (CIP)
`of prior application No.: 10/087 ,629filed 03/01/2002*”
`
`
`v10h.tionnclosedwith#5b-CopyofLettertoDanRadut,
`
`
`
`
`
`ingbyOtherThanAlltheInventors,andDeclarationof
`
`Cochran
`DavidB.
`
`S090Z0|AAT
`
`PTO/SB/05 (09-04)
`Approvedfor use through 07/31/2006. OMB 0651-0032
`U.S. Patent and Trademark Office. U.S. DEPARTMENT OF COMMERCE
`__Under the Paperwork Reduction Act of 1995, no personsare required to respond to a collection of information unlessit displays a valid OMB control number.
`555255012844
`Daniel M. Fischer
`
`ry
`
`NLOLLI
`
`
`First Inventor
`Title
`
`
`
`
`3.
`
`i.
`
`ADDRESSTO:
`
`ACCOMPANYING APPLICATION PARTS
`
`]
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`]
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`11. CJ English Translation Document(if applicable)
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`Prior application information:
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`Examiner _Edward H. Tso
`
`Art Unit: 2838
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`19. CORRESPONDENCE ADDRESS
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`The address associated with Customer Number:
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`mame|
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`fciySte 2Code
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`OR [| Correspondence address below
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`(eonTed
`Print/Type Attorney/Agent)|47.919auer
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`
`This collection of information is required by 37 CFR 1.53(b). The information is required to obtain or retain a benefit by the public which is to file (and by the
`USPTOto process) an application. Gonfidentiality is govemed by 35 U.S.C. 122 and 37 CFR 1.11 and 1.14. This collection is estimated to take 12 minutes to
`complete, including gathering, preparikg, and submitting the completed application form to the USPTO. Time will vary depending uponthe individual case. Any
`comments on the amountof time you require to complete this form and/or suggestions for reducing this burden, should be sent to the Chief Information Officer,
`U.S. Patent and Trademark Office, U.S. Department of Commerce, P.O. Box 1450, Alexandria, VA 22313-1450. DO NOT SEND FEES OR COMPLETED
`FORMS TO THIS ADDRESS. SEND TO: Commissionerfor Patents, P.O. Box 1450, Alexandria, VA 22313-1450.
`if you need assistance in completing the form, call 1-800-PTO-9199 and selectoption 2.
`
`**which claimed US 60/273,021filed 03/01/2001 and US 60/330,486 fledHOPRRBdT 1002
`
`PR USP 7,239,111.
`Page 1 of 246
`
`Petitioners Ex. 1002
`IPR USP 7,239,111
`Page 1 of 246
`
`

`

`PTO/SB/17 (12-04v2)
`Approved for use through 07/31/2006. OMB 0651-0032
`U.S. Patent and Trademark Office; U.S. DEPARTMENT OF COMMERCE
`Under the Panerwork Reduction Act of 1995 no oarsons are required to resnond ta a collection of information unless it disnlavs a valid OMR control number
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`FEE TRANSMITTAL
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`For FY 2005
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`CI Applicant claims small entity status. See 37 CFR 1.27
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`TOTAL AMOUNT OF PAYMENT|
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`(3)
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`1000
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`METHOD OF PAYMENT(checkall that apply)
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`information and authorization on PTO-2038.
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`FEE CALCULATION
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`1. BASIC FILING, SEARCH, AND EXAMINATION FEES
`
`EXAMINATION FEES
`SEARCH FEES
`FILING FEES
`_
`Application TypeFee($) sees)
`
`Fee($)Se) seg) Fees Paid ($)
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`
`
`
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`
`
`Utility
`300
`150
`100
`——_1000____
`65
`Design
`200
`100
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`
`Plant
`200
`100
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`
`
`
`Provisional
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`
`2. EXCESS CLAIM FEES
`“I FeeDescription
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`Each claim over 20 (including Reissues)
`
`Each independentclaim over 3 (including Reissues)
`Multiple dependent claims
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`Total Claims
`' Extra Claims
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`
`
`
`
`
`Fee ($)
`
`50
`x
`0
`- 20 or HP =
`18
`HP = highest numberof total claims paid for,if greater than 20.
`Indep. Claims
`,
`Extra Claims
`Fee ($)
`
`=
`x
`3
`-3orHP =
`0
`200
`HP = highest numberof independentclaims paid for, if greater than 3.
`3. APPLICATION SIZE FEE
`If the specification and drawings exceed 100 sheets of paper (excluding electronically filed sequence or computer
`listings under 37 CFR 1.52(e)), the application size fee due is $250 ($125 for small entity) for each additional 50
`
`a
`sheets orfraction thereof. See 35 U.S.C. 41
`ium
`(s).
`)(1)(G) and 37 CFR 1.16
`er of each additional 50 or traction thereof
`Total Sheets
`- Extra Sheets
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`0
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` 30 - 100 =
`(round up to a whole number)
`0
`x
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`4. OTHER FEE(S)
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`$130 fee (no small entity discount)
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`BY
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`.
`Registration No.
`Telephone 916/686-7506
`47,919
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`
`
`‘ Complete if Known
`
`
`
`er Name
`
`Art Unit
`
`
`
`Daniel M. Fischer
`
`555255012844
`
`.
`
`Reissue
`
`300
`
`200
`
`150
`
`100
`
`500
`
`100
`
`300
`500
`
`0
`
`250
`
`50
`
`150
`250
`
`0
`
`Fee ($)
`200
`
`130
`
`160
`
`600
`0
`
`80
`
`300
`
`0
`
`25
`50
`100
`200
`180
`360
`Multiple Dependent Claims
`Fee ($)
`Fee Paid ($)
`360
`0
`
`
`
`Fee Paid ($)
`“0
`
`Fees Paid ($)
`
`0 0
`
`=
`
`Eee ($)
`250
`
`
`
`Fee Paid ($)
`0,00
`
`=
`
`Fee Paid ($)
`0.00
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`150=
`
`Name(PrinType)! Joseph. Sauer
`This collection of informationis required by 37 CFR 1.136. The information is required to obtain or retain a benefit by the public whichis to file (and by the
`USPTOto process) an application. Confidentiality is governed by 35 U.S.C. 122 and 37 CFR 1.14. This collection is estimated to take 30 minutes to complete,
`including gathering, preparing, and submitting the completed application form to the USPTO. Timewill Vary depending uponthe individual case. Any comments
`on the amountof time you require to complete this form and/or suggestions for reducing this burden, should be sent to the Chief Information Officer, U.S. Patent
`and Trademark Office, U.S. Department of Commerce, P.O. Box 1450, Alexandria, VA 22313-1450. DO NOT SEND FEES OR COMPLETED FORMSTO THIS
`ADDRESS. SEND TO: Commissionerfor Patents, P.O. Box 1450, Alexandria, VA 22313-1450.
`If you need assistance in completing the form, call 1-800-PTO-9199 and select option 2.
`Petitioners Ex. 1002
`IPR USP 7,239,111
`Page 2 of 246
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`EV302e225424uS |/
`
`Multifunctional Charger System and Method
`
`CROSS-REFERENCE TO RELATED APPLICATIONS
`
`This application is a continuation United States Patent Application No. 10/087,629,
`
`entitled “Multifunctional Charger System and Method,” which wasfiled on March 1, 2002.
`
`United States Patent Application No. 10/087, 629 claimspriority from andis related to United
`
`States Provisional Application No. 60/273,021, entitled “System and Method for Adapting a
`
`USBto Provide Power for Charging a Mobile Device,” which wasfiled on March 1, 2001, and
`United States Provisional Application No. 60/330,486, entitled “Multifunctional Charger System
`
`10
`
`and Method”, which wasfiled on October 23, 2001. The entirety of these prior applications are
`
`herebyincorporated into the present application by reference.
`
`1.
`
`Field of the Invention
`
`BACKGROUND
`
`15
`
`This invention relates generally to power adapters. Moreparticularly, the invention
`
`relates to power adapters for use with mobile devices.
`
`2.
`
`Description of the Related Art
`
`Providing an external source of power to a mobile device, such as a personal digital
`
`20
`
`assistants (“PDA”), mobile communication device, cellular phone, wireless two-way e-mail
`
`communication device, and others, requires design considerations with respect to both the mobile
`
`device and the power source. With regard to the mobile device, most mobile devices provide a
`
`distinct powerinterface for receiving power from a powersource, for instance to recharge a
`
`battery, and a separate data interface for communicating. For example, many mobile devices
`
`CLI-1308957v]1
`
`1
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`presently use USB (Universal Serial Bus) interfaces for communicating and use a separate power
`
`interface, such as a barrel connector, for receiving power.
`
`It is desirable, however, to have a combined powerand data interface. The mobile
`
`devices that do have combined poweranddata interfaces typically use non-standard and
`
`sometimesproprietary interfaces. Consequently, combined interfaces for a particular
`
`manufacturer’s mobile device may not be compatible with combined interfaces for mobile
`
`devices provided by other manufacturers.
`
`Although the USBinterface can be used as a powerinterface, the USBis typically not
`
`used for that purpose by mobile devices. In accordance with the USBspecification, typical USB
`
`10
`
`powersource devices, such as hubsand hosts, require that a USB device participate in a host-
`
`initiated process called enumeration in order to be compliant with the current USB specification
`
`in drawing power from the USBinterface. Although a mobile device could be adapted to
`
`participate in enumeration when drawing powerover the USBinterface, it would be preferable in
`
`manysituations, such as when a host would not be available, as often happens during normal use
`
`15
`
`of a mobile device, to be able to utilize alternate powersources such as conventional AC outlets
`
`and DCcar sockets that are not capable of participating in enumeration to supply powerto the
`
`mobile device via a USBinterface.
`
`SUMMARY
`
`20
`
`An adapter for providing a source of powerto a mobile device through an industry
`
`standard port is provided. In accordance with one aspect of the invention, the adapter comprises
`
`a plug unit, a power converter, a primary connector, and an identification subsystem. The plug
`
`unit is operative to couple the adapter to a power socket and operative to receive energy from the
`
`CLI-1308957v1
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`2
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`powersocket. The powerconverteris electrically coupled to the plug unit and is operable to
`
`regulate the received energy from the powersocket and to output a power requirement to the
`
`mobile device. The primary connectoris electrically coupled to the power converter andis
`
`operative to couple to the mobile device and to deliver the outputted power requirementto the
`
`mobile device. The identification subsystem is electrically coupled to the primary connector and
`
`is operative to provide an identification signal.
`
`In accordance with another aspect, a USB adapter for providing a source of powerto a
`
`mobile device through a USBport is provided. The USB adapter comprisesa plug unit, a power
`
`converter, a primary USB connector, and an identification subsystem. The plug unit is operative
`
`10
`
`to couple the USB adapter to a powersocket and operative to receive energy from the power
`
`socket. The powerconverteris electrically coupled to the plug unit and is operable to regulate
`
`the received energy from the power socket andto output a power requirementto the mobile
`
`device. The primary USBconnectoris electrically coupled to the power converter andis
`
`operative to couple to the mobile device and to deliver the outputted power requirementto the
`
`15
`
`mobile device. The identification subsystem is electrically coupled to the primary connector and
`
`is operative to provide an identification signal.
`
`Another aspect provides a USB adapter for providing a source of powerto a mobile
`device through a USBport. The USB adapter comprisesa plug unit, a power converter, a
`
`primary USB connector, and an auxiliary USB adapter. The plug unit is operative to couple the
`
`20
`
`USBadapter to a power socket and operative to receive energy from the power socket. The
`powerconverter is electrically coupled to the plug unit and is operable to regulate the received
`
`energy from the powersocket and to output a power requirementto the mobile device. The
`
`primary USB connectoris electrically coupled to the power converter and is operative to couple
`
`CLI-1308957v1
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`3
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`to the mobile device and to deliver the outputted power requirementto the mobile device. The
`
`auxiliary USB connector hasdatalines thatare electrically coupled to the data lines of the
`
`primary USB connector.
`
`Yet another aspect provides a method for providing energy to a mobile device using a
`
`USBadapterthat comprises a plug unit, a primary USB connector, a power converter electrically
`
`coupled betweenthe plug unit and the primary USB connector, and an identification subsystem
`
`electrically coupled to the primary USB connector. The method comprising the steps of
`
`coupling the USB connectorto the mobile device, coupling the plug unit to a power socket,
`
`outputting a power requirement to the mobile device via the power converter and the USB
`
`10
`
`connector, and providing an identification signal to the mobile device, via the identification
`
`subsystem and the USB connector, that is operative to inform the mobile device that the USB
`adapteris not limited by the powerlimits imposed by the USB specification.
`
`In accordance with another aspect, a powering system for a mobile device having a USB
`
`connector is provided. The powering system comprises a powerdistribution subsystem in the
`
`15
`
`mobile device that is operable to receive energy through the USB connectorandto distribute the
`
`energy to at least one componentin the mobile device and a USB adapterthat is operative to
`
`couple to the USB connector.. The USB adapter comprises a plug unit for coupling to a power
`
`socket andthat is operable to receive energy from the power socket, a power converter
`
`electrically coupled to the plug unit for regulating the received energy and for providing a power
`
`20
`
`requirementto the powerdistribution subsystem, and an identification subsystem that is operable
`
`to transmit an identification signal that is operative to identify the USB adapter as not being
`
`limited by the power limits imposed by the USB specification.
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`CLI-1308957v1
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`4
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`BRIEF DESCRIPTION OF THE DRAWINGS
`
`In order that the invention identified in the claims may be moreclearly understood,
`
`preferred embodiments thereof will be described in detail by way of example, with reference to
`
`the accompanying drawings, in which:
`
`Fig.
`
`1
`
`is a schematic diagram of an exemplary mobile device which has an industry
`
`standard interface;
`
`Fig. 2 is a schematic diagram of a first embodiment of a USB adapter that is coupled to
`
`an exemplary mobile device;
`
`Fig. 3 is a flow chart illustrating an exemplary use of a USB adapter with a mobile
`
`10
`
`device; and
`
`Fig. 4 is a schematic diagram of an additional exemplary embodiment of a USB adapter
`
`that is coupled to both an exemplary mobile device and an externalbattery.
`
`15
`
`Exemplary Mobile Device
`
`DETAILED DESCRIPTION
`
`Turning now to the drawing figures, shownin Fig. 1 is a schematic diagram of an
`
`exemplary mobile communication device 10 which has an industry standard interface. The
`
`mobile communication device 10 is preferably a two-way communication device havingat least
`
`voice or data communication capabilities. Preferably, the mobile device 10 is also capable of
`
`20
`
`communicating over the Internet, for example, via a radio frequency (“RF”) link. Examples of
`
`types of devices that could be classified as a mobile device 10 include a data messaging device, a
`
`two-waypager,a cellular telephone with data messaging capabilities, a wireless Internet
`
`appliance, a data communication device (with or without telephony capabilities), a personal
`
`digital assistants (“PDA”), a wireless two-way e-mail communication device, and others.
`
`CLI-1308957v1
`
`5
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`The exemplary mobile device 10 comprises a microprocessor 12, a communication
`
`subsystem 14, input/output (“I/O”) devices 16, an industry standard interface 18 which in this
`
`example is a USB port, and a power subsystem 20. The microprocessor 12 controls the overall
`
`operation of the mobile device 10. The communication subsystem 14 provides the mobile device
`
`10 with the ability to communicate wirelessly with external devices such as other mobile devices
`
`and other computers. The I/O devices 16 provide the mobile device 10 with input/output
`
`capabilities for use with a device user. The USBport 18 provides the mobile device 10 with a
`
`serial port for linking directly with other computers and/or a meansfor receiving power from an
`
`external power source. The power subsystem 20 provides the mobile device 10 with a local
`
`10
`
`powersource.
`
`The exemplary communication subsystem 14 comprises components suchas a receiver
`
`22, a transmitter 24, antenna elements 26 and 28,local oscillators (LOs) 30, and a processing
`
`module suchas a digital signal processor (DSP) 32. The particular design of the communication
`
`subsystem 14 and the components used therein can vary. It would be apparent to one of ordinary
`
`15
`
`skill in the art to design an appropriate communication subsystem using conventional methods
`
`and components to operate over a communication network 34 based on the parameters necessary
`
`to operate over that communication network. For example, a mobile device 10 geographically
`
`located in North America may include a communication subsystem 14 designed to operate
`
`within the Mobitex™ mobile communication system or DataTAC™mobile communication
`
`20
`
`system, whereas a mobile device 10 intended for use in Europe may incorporate a General
`
`Packet Radio Service (GPRS) communication subsystem 14.
`
`Network access requirements will also vary depending upon the type of network 34. For
`
`example, in the Mobitex and DataTAC networks, mobile devices 10 are registered on the
`
`CLI-1308957¥1
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`network using a unique personal identification numberor PIN associated with each device.In
`
`GPRSnetworks however, network access is associated with a subscriber or user of a mobile
`
`device 10. A GPRSdevice therefore requires a subscriber identity module (not shown),
`
`commonlyreferred to as a SIM card,in order to operate on a GPRS network. Without a SIM
`
`card, a GPRSdevicewill not be fully functional. Local or non-network communication functions
`
`(if any) may be operable, but the mobile device 10 will be unable to carry out any functions
`
`involving communications over the network 34.
`
`Whenrequired, after the network registration or activation procedures have been
`
`completed, a mobile device 10 may send and receive communication signals over the network
`
`10
`
`34. Signals received by the receiver antenna 26 through a communication network 34 are input
`
`to the receiver 22, which may perform such commonreceiver functions as signal amplification,
`
`frequency down conversion,filtering, channel selection and the like, and in the exemplary
`
`system shown in Fig. 1, analog to digital conversion. Analog to digital conversion of a received
`
`signal allows more complex communication functions such as demodulation and decodingto be
`
`15
`
`performed in a DSP 32. Similarly, signals to be transmitted are processed, including modulation
`
`and encoding for example, by the DSP 32 and inputto the transmitter 24 for digital to analog
`
`conversion, frequency up conversion,filtering, amplification and transmission over the
`
`communication network 34 via the transmitter antenna 28.
`
`Also, in the exemplary communication subsystem 14, the DSP 32 processes
`
`20
`
`communication signals and also providesfor receiver and transmitter control. For example, the
`
`gains applied to communication signals in the receiver 22 and transmitter 24 may be adaptively
`
`controlled through automatic gain control algorithms implemented in the DSP 32.
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`CLI-1308957v1
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`In implementing its control function, the microprocessor 12 in the exemplary mobile
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`device 10 executes an operating system. The operating system software used by the
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`microprocessor 12 is preferably stored in a persistent store such as flash memory 36, or
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`alternatively read only memory (ROM)orsimilar storage element. The microprocessor 12 may
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`also enable the execution of specific device applications, which preferably are also stored in a
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`_persistent store. The operating system, specific device applications,or parts thereof, may also be
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`temporarily loaded into a volatile store such as in RAM 38.
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`A predetermined set of applications which control basic device operations, including at
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`least data and voice communication applications for example, will normally be installed on the
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`10
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`mobile device 10 during manufacture. One such application loaded on the mobile device 10
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`could be a personal information manager (PIM)application. The PIM application preferably is
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`an application for organizing and managing user inputted data items such as e-mail, calendar
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`events, voice mails, appointments, and task items. The PIM data items maybestored in the
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`RAM 38 and/orthe flash memory 36.
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`The PIM application preferably has the ability to send and receive data items, via the
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`wireless network 34. The PIM data itemsare preferably seamlessly integrated, synchronized and
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`updated, via the wireless network 34, with corresponding data items stored or associated with a
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`host computer system (not shown) used bythe device user. The synchronization of PIM data
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`items is a process by which the PIM data items on the mobile device 10 and the PIM data items
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`on the host computer system can be madeto mirror each other.
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`There are several possible mechanismsfor loading applications onto the mobile device
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`10. For example, applications may be loaded onto the mobile device 10 through the wireless
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`network 34, an auxiliary I/O subsystem 40, the serial port 18, a short-range communications
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`subsystem 42, such as an infrared (“IR”) communication system, or any othersuitable subsystem
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`44. Whenloading the applications onto the mobile device 10, the device user may install the
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`applications in the RAM 38, the flash memory 36,or preferably a non-volatile store (not shown)
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`such as ROM for execution by the microprocessor 12. The available application installation
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`mechanismscanincreasethe utility of the mobile device 10 by providing the device user with a
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`way of upgrading the mobile device 10 with additional and/or enhanced on-device functions,
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`communication-related functions, or both. For example, a secure communication application
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`maybeloaded onto the mobile device 10 that allows for electronic commerce functions or other
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`financial transactions to be performed using the mobile device 10.
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`10
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`The I/O devices 16 may be used to display and/or compose data communication
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`messages. In one modeofoperation, a signal received by the mobile device 10, such as a text
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`message or web page download,will be received and processed by the communication
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`subsystem 14, forwarded to the microprocessor 12, which will preferably further process the
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`received signal, and provide the processed signal to one or moreofthe I/O devices 16 such as a
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`display 46. Alternatively, a received signal such as a voice signal can be provided to a speaker
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`48, or alternatively to an auxiliary I/O device 40.
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`In another mode ofoperation a device user
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`may composea data item such as an e-mail message using a keyboard 50 in cooperation with the
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`display 46 and possibly an auxiliary I/O device 40. Alternatively, a device user may compose a
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`voice message viaa microphone 52. The composed data item maythen betransmitted over a
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`communication network 34 using the communication subsystem 14.
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`A short-range communications subsystem 42 may beprovided in the mobile device 10 to
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`allow the mobile device 10 to communicate with other systems or devices, which need not
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`necessarily be similar to device 10. For example, the short-range communications subsystem 42
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`mayinclude an infrared device and associated circuitry and components or a Bluetooth™
`communication moduleto allow the device 10 to communicate with similarly-enabled systems
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`and devices.
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`The USB port 18 provides the mobile device 10 withaserial port for linking directly with
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`other computers to exchange data and/or to receive power. The USB port 18 also provides the
`mobile device 10 with a means for receiving power from an external power source. For
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`example, in a personal digital assistant (PDA)-type communication device, the USB port 18
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`could be used to allow the mobile device 10 to synchronize data with a user’s desktop computer
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`(not shown). The USB port 18 could also enable a user to set parameters in the mobile device 10
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`10
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`such as preferences through the use of an external device or software application. In addition the
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`USBport 18 mayalso be used to provide a means for downloading information or software to
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`the mobile device 10 without using the wireless communication network 34. The USBport 18
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`can provide a direct and thusreliable and trusted connection that may for example be used to
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`load an encryption key onto the mobile device 10 thereby enabling secure device
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`communication.
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`Coupled to the USB port 18 is a USB connector 54. The USB connector 54 is the
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`physical componentthat couples the USB port to the outside world. In the exemplary mobile
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`device 10, the USB connector 54 is used to transmit and receive data from an external
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`data/powersource 56, receive powerfrom the external data/powersource 56,direct the
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`20
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`transmitted/received data from/to the USBport 18, and direct the received powerto the power
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`subsystem 20.
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`The exemplary power subsystem 20 comprises a charging and powerdistribution
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`subsystem 58 and a battery 60. The charging and powerdistribution subsystem 58 performs
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`many functions.
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`It may be used to transfer energy to the battery 60 from the external data/power
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`source 56 to charge the battery 60 and alsoto distribute power to the many power requiring
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`components within the mobile device 10. The charging subsystem 58 maybe capable of
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`determining the presence ofa battery 60 and/or a powercircuit coupled to the mobile device 10,
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`such as an AC adapter, USB connection, or car adapter, which alternatively can act as power
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`sources 56 to provide powerfor the mobile device 10 and to charge the battery 60. Additionally,
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`the charging subsystem 58 may havethe ability to determine if a power source 56 is coupled to
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`the mobile device 10 and, in the absence of such a coupling, cause the mobile device 10 to be
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`powered bythe battery 60.
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`10
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`The powerdistributed by the charging and powerdistribution subsystem 58 may be
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`derived from energy stored in the battery 60 and/or energy received from the external data/power
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`source 56. Whenthe battery 60 is depleted, the charging and powerdistribution subsystem 58
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`transfers energy from the powersource 56 to recharge the battery 60. Optionally, the charging
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`and powerdistribution subsystem 58 mayalso transfer energy from the powersource 56 to other
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`components in the mobile device 10 to power the mobile device 10 whenthe battery 60 has been
`
`depleted and is recharging. When the data/powersource 56 is not connected to the mobile
`device 10, power for the device 10 is derived from the battery 60.
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`Exemplary USB Adapter
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`Fig. 2 is a schematic diagram ofa first embodimentof an adapter 100 that can be usedto
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`20
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`couple the mobile device 10 of fig. 1 to the data/power source 56 offig. 1. In this example the
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`adapter 100 is a USB adapter 100 that comprises a primary USB connector 102, a power
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`converter 104, a plug unit 106, and an identification subsystem 108. The power converter is a
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`known elementin the art and typically includesat least one of the following components:
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`switching converter, transformer, DC source, voltage regulator, linear regulatorandrectifier. In
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`the embodiment shownin fig. 2, the USB adapter 100 is shown coupling a mobile device 10 to
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`one of one or more types of power sockets 110N, 110D, 110B, and 100. Also showninfig. 2 is
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`an optional auxiliary USB connector 112 that can be used to couple the mobile device 10 toa
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`data source (not shown) such as a personal computer.
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`In the embodiment shown in fig. 2, the primary USB connector 102 is configured to mate
`
`with the USB connector 54 of the mobile device 10. The USB adapter 100 is operable to
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`provide powerto the mobile device 10 through the Vbus and Gnd powerpins in the USB
`connectors 54 and 102. The USB adapter 100 also optionally provides a communication path
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`for data across the D+ and D-data pins in the USB connectors 54 and 102.
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`10
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`Theplug unit 106 is preferably a conventional plug unit that can be used to couple with a
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`conventional power socket to receive power therefrom. For example, the plug unit 106 can be a
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`two prong orthree prong plug of the type used in North America that can couple to a North
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`American AC powersocket 110N that provides 115 VAC. In the embodiment shownin figure 2,
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`the plug unit 106 can accept one or more types of plug adapters 114N, 114B, 114D,and 114 that
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`15
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`are configured to couple to the plug unit 106 and are further configured to directly mate with one
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`or more types of powersockets 110N, 110D, 110B, and 100. The plug unit 106 can be
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`configured to receive energy from a powersocket 110N, 110D, 110B, or 100, either directly or
`
`through the use of a plug adapter, and is operative to transfer the received energy to the power
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`converter 104.
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`' 20
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`The powerconverter 104 is operative to receive energy from a powersocket 110N, 110D,
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`110B,or 100 and to convert that received energy to a form that can be