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`
`Huawei V. FISI Exhibit No. 1002 - 141/208
`
`FISI00001111
`
`

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`PCI'IUS99II22'TB9
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`.
`
`Huawei V. FISI Exhibit No. 1002 - 142/208
`
`FISIOOUO‘I 1 12
`
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`GB 2 313 441 A (MOTOROLA ISRAEL LTD)
`26 November 1997 (1997-11—26)
`abstract
`
`"PATENT , ABSTRACTS or” '. JAPAN
`vol. 1998. no. 14,
`1
`31 December 1998 (1998—12—31)
`& JP 10 262071 A (FUJI PHOTO FILM CO LTD),
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`page 1 of 2
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`Huawei V. FISI Exhibit No. 1002 - 143/208
`
`FISIOOOO‘I 1 1 3
`
`

`

`INTERNATIONAL SEARCH REPORT
`
`Inl'u
`
`.hon-I .Appilcnllcn No
`
`PCT/U5 99/22709
`
`C.{Cun1tnullbon) DOCUMENTS CGNSIIJEFIED TO BE RELEVANT
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`INTERNATIONAL SOLID-STATE CIRCUITS
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`7—9 FEB. 2009,
`pages 440—441, XP00092343?
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`v01. 1999, no. 14.
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`17 September 1999 (1999—09—17}
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`page 2 of 2
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`Huawei V. FISI Exhibit No. 1002 - 144/208
`
`FISIOOUO‘I 1 14
`
`

`

`INTERNATIONAL SEARCH REPORT
`\ Jim-flan on plant I'Imlty member:
`
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`Inn.
`PCT/US 99/22709
`
`Patent documani
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`
`GB 2513441
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`date
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`memberisj
`
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`29-09-1993
`A
`JP 10262071
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` me PGTH'EAI'Z10IMOI1HWI‘I'.‘ annex: l-M‘f ‘I 992)
`
`Huawei V. FISI Exhibit No. 1002 - 145/208
`
`FISI00001 1 1 5
`
`

`

`Europaiscnes Patentamt
`European Patent Office
`
`Ofllce européen des brevets
`
`lllllllllllllllll|||||ll||lllllllllllllllllllllllllllllll
`
`(11}
`
`EP1 193 049 A1
`
`(12}
`
`EUROPEAN PATENT APPLICATION
`
`I
`
`(48} Dale (:1 publication:
`11:04.2002 eunetlh'noozns .
`
`..
`
`-
`
`.
`
`(51) mm}: H02J WOO
`
`j {21) . Application number: 001221423-
`
`422} Date offillng: 12.10.2000 .
`
`.
`
`I. (84} Designated Contracting States:
`AT BE CH CY DE DK ES FI FR GB 6F! IE IT LI LU
`_ MC Ni. PT SE
`Designated Extension States:
`VALLTLVMKHOSI
`
`-.
`
`. Wit Applicant: Sony International (Europe) GmbH
`10785 Berlin (DE)
`
`' (72} inventor: Tong, Zhao, cro'Dlg'ltatTeiecom. Europe
`85509 Aschheim (DE)
`
`
`
`(74) Representative: Kerber, Martin, DipI.-Pl1ysi 0t 0|
`Mitecheriich 3: Partner
`Patenlanwilte
`Sonnanstrasse 33
`00331 Munchen {DE}
`
`Remarks:
`The application is published incomplete as tiled
`{Article 93 {2) EPGJBIaim number 7 is missing
`
`. {54}
`
`Charging circuit tor charging a mobile terminal through an USB interlace-
`
`The'prenent invention relates to a charging clr~
`'(5'?)
`wit ('1) for charging a mobile terminal (2) ole wirelees
`- telecommunication system through a USB interface of
`a computer {3), with first wnneotion means {4} for con—
`' nectlon with the USB interface of a computer (3). second
`" oonnectlen means (5} for connection with a mobile tern
`mlnei (2) to be charged, and adaptation means {6; I"; 8]
`
`for adapting power received from the USB interface to
`the power requirements of a mobile terminal to be
`charged. The present invention further relates to a mo-
`bile terminal (2] adapted to be connected and charged
`by such a charging circuit ( i). The present invention en-
`ables charging at a mobile terminal through a USB in-
`terface of El computer in a simple and flexible way.
`
`
`
`EP‘l198049A1
`
`anw in Java, 75001 Mill-91ml
`
`Huawei V. FISI Exhibit No. 1002 - 146/208
`
`FlSIOOUO‘l 1 1 6
`
`

`

`1
`
`EP1 1980491“
`
`2
`
`Description __
`
`.
`
`_
`
`'
`
`'
`
`'_
`
`'
`
`'
`
`.
`
`[0001] The present invention relates to a charging c|r~
`cult for charging a mobile terminal ofa wireless telecom-
`munication system through a USB interface of a coma
`. outer and to a mobllo terminal for a wireless telecom»
`rnu nicarion system adapted to be connected to and
`charged by such a charging circuit.
`[0002] Charging circuits for charging batteries or so—
`olmulators of mobile terminals are known in the art, For
`'- example. US 5,8?0.515 diacloses a specially designed
`.- PCMCIA card comprisrng a charging circultfor charging
`- the battery of a cellular phone and an adapter-cable hav—
`Inc a battery characteristic encoder Integrated at one
`' end. However. a PCMCIA card can only be used with
`portable computers. such as laptops. notebooks or the
`like so that the proposed way of charging a mobile ter-
`mlnai is limited to these applications.
`_
`_ [0003]
`. The object of the present invention is therefore
`to propose a charging circuit for charging a mobile tor-
`.
`. minei of a wireless telecommunication system and a
`' mobile terminal adopted to be connected to and charged
`' by such a charging circuit, which can be used with dil-
`- ferent kinds of computers in a simple and effective way.
`[0004] The above obgect ls achieved by acharging cir-
`'
`- cult for charging a mobile terminal ofo wireless telecom- -
`' munication system through a USB interface of a com—
`' pure-r, with first connection means for a connection with
`the USB interface of a computer. second connection
`-- means {or a connection with a mobile terminal to be .
`" charged. and adaptation means for adapting power ra-
`. csivscl from said USB interface to the power require-
`. ments of a mobile terminal to be charged.
`. [0005] Most of the available computers. such as PCs.
`'- laptops, notebooks and the like, are equipped with a .
`. USE interface {universal serial bus Interface) for con-
`- noctlon with olhordcvicoc. The US B interface is realised
`'
`_ with a standardised USB port in the computers. to which
`' a corresponding USB plug from 3 USE datacable iacon~
`heeled. The USB interface comprises four lines, namely
`two data lines. one power line and one ground line. The
`charging clrcult according tothe present Invention there—
`fore presents a very flexible and universally usable way
`ofcharging a mobile terminal of a wireioao telecommu-
`nication system. Particularly. the charging Circuit ac-
`cording to the present invention has the advantage that
`a mobile terminal for a wireless telecommunication sys-
`tem can be charged at any place of the world with only
`a singte charging circuit. Normal changing cables for mo,
`bile terminals are only adapted to the specific power
`supply system used in the respective country. A USB
`Interface. however. is an internationally used and stand
`ardised way at connecting devices to computers.
`[0006] Advantageously. the adaptation "loans of the
`charging circu it acmrding to the present invention com-
`prises a current limiter to limit the current received from
`the USB interface to a maximum charging current of the
`mobile terminal. The current limiter is advantageous in
`
`F0
`
`.i5
`
`'20
`
`30
`
`35
`
`40
`
`50
`
`respect of protection against TDMA bursts and other
`kinds of bursts used in the mobile terminal forthe wire—
`less transmission of data. Further advantageously, the
`adaptation means comprises a short circuit protection
`means for protecting the mobile terminal anchor the
`computer against short circuits. Further advantageous-
`ly. the adaptation means comprises a voltage regulator
`for regulating the voltage received from the USB lnter~
`face to theoharg i ng requirements of th a mobile terminal.
`The voltage regulator is particularly advantageous for
`stabilising the voltage supplied to the mobile terminal.
`[000?]
`It has to be understood. thatin the present ap~
`piicatioh.
`the expression charging a mobile terminal
`means charging of the battery or the accumulator of a
`mobile terminal.
`[0008]
`Further advantageousty. the first connection
`means is a use cable for connection with a use. port
`of the computer and the second connection means is a
`mobile terminal cable for connection with a correspond '
`lng data inputroutput and charge port of the mobile ter-
`minal. Here.
`the charging circuit according to the
`present invention Is an independent device with respec-
`tive cables for the connection with th a computer and the
`mobile terminal. Alternatively. the charging circuit ecu
`cording to the present Invention can be built in the mo—
`bile terminal or the computer to that an integrated solu-
`tion is realised.
`In further alternative solutions,
`the
`charging circuit according to the present invention could
`have a LJSB port as the first connection means andior
`a respective mobile terminal cable port as the second
`connection means. Here. standardised cables and
`plugs could be used as the cable connections between
`the computer as a charging circuit and the charging cir-
`cult and the mobile terminal. A further advantage of this
`solution is that the charging circuit according to the
`present invention could be used with dillercnl kinds of
`mobile terminate having different kinds of data inputl'oub
`put and charge ports for the connection with the charge
`ing circuit.
`[0009]
`Further. the charging circuit according to the
`present invention advantageously comprises a data line
`for transmitting powersupply slams Information from the
`computer to the mobile terminal . The charging circuit ac-
`cording to the present invention as described above
`does not necessarily need to enable a data transfer be-
`tween the computer and the mobile terminal and the
`conversion and adaptation of power received from the
`computer to the power requirements for charging the
`mobile terminal Is generally sufficient for the purpose of
`the present invention, However, the communication of
`data between the Computer and the mobile terminal is
`necessary for emboolments in which the charging of the
`mobile terminal is controlled lrl dependence of the status
`of the power supply Of the computer.
`[0010] The above obj-ct is further achieved by a mo-
`bile terminal for a wireless telecommunication system
`according to claim 3. Whlch comprises a battery provid~
`ing power supply. connection means adapted to be con—
`
`Huawei V. FISI Exhibit No. 1002 - 147/208
`
`FISI00001 1 1 7
`
`

`

`3
`
`EP1 1980491“
`
`4
`
`nested to aoharging circuit of the above described kind,
`and control means for oontroliing the charging of the bat—
`tery from a USB Interface of a computer.
`[0011] The battery of the mobile terminal according to
`the present Invention which is to be charged by the
`charging circuit as above described. is for exampis part
`I‘ Of a removable battery pack of“ MU rnulator of the [11le
`. bile terminal. The connection means of the mobile ter-
`
`.
`
`'
`
`I
`
`.'
`
`'
`
`.
`
`: miner adapted to be connected to the inventive charging
`' clrtm It is for example a data inputfoutput and charge port
`of the mobile terminal. which serves also for other pur—
`poses. such as connecting a hands free hit or the like.
`" The contmt means torcontroliing the charging of the bat"
`- tan; is for example the central control microchip or ink
`. croprocossor of the mobile terminal responsible lorcom
`trolling the common functionallties. The wireless teler
`' communication system in which the mobile rennin ai no
`. cording tothe present invention operates, can for exam-
`- pie be the GSM androrthe UNITS andr'or any other wire»
`Ices telecommunication sysrsein. .
`' [0012] Advantageouslv. the controi means or the mo—
`. bile terminal detects the charge level of the battery and
`- controls in e chergl ng of the battery from 2 USE interface
`through a connected charging circuit on the basis of the
`-- detected charge level. Hereby. the control means ad— -
`vantageously sharp as the battenr if the detected charge
`levei Is below a pre-set value. This vaiue can for exam-
`. pie be about 5% of the entire battery capacity.
`In this
`'. exempts of the mobile terminal according to the present
`-- invention, charging of the battery is performed only on
`‘ the basis otthe charge level of the battery and no further
`other Information is used. Thus} the charging circuit can
`.- be reduced to the pure power conversion and adopts-
`tion function In order to deliver the specific voltage and
`: current to the mobile term inst. The charging process is
`'_ only controlled by the mobile terminal iraeii and not by
`the computer or the ucsr. Alternatively. the charging cir-
`' cult can. additionally to the power tines, comprise data
`lines forcornmunlcatlng data between the computer and
`the mobile terminal. In this way, the mobile terminal can
`be charged Via the USB interface. while atthoeame time
`the data oommunloation. for example for downhadlng
`or uptoading data from and to the mmputer. can be per-
`formed.
`In a further alternative example of the mobile
`[0013]
`terminal according to the present invention. the control
`means is adapted to receive a power supply status in-
`formation of a computer through a connected charging
`circuit and Controls the charging of the battery from a
`USE interface of the computer through the connected
`charging circuit on the basis of the received power sup—
`ply status information. Here, charging of the battery or
`the mobile terminal ls performed only if the received
`power supplyststue into titration indicates that the power
`supply stasis ofthe computer allowscharging of the bat»
`tery of the mobile terminal. Advantageously. the control
`means charges the battery It the received power supply
`status information indicates that the computer ls corr—
`
`F0
`
`r5
`
`20'
`
`3'0
`
`40
`
`nested to and powered by an external power supply. in
`this case.
`the battery of the mobile terminal Is thus
`charged through the external power supply of the com
`puter in any case in which the battery of the mobile ten
`mlnal is not fully charged. Further advantageously, the
`control means is adapted to detect the charge level of
`the battery and charges the battery tithe received power
`supply status Information indicates that the computer is
`powered by an internal power supply and that the de—
`tected chargl lcvcl Is below a preset value. The pro-
`set value is advantageously about 5% 01 the entire bat—
`tery capacity. Here, In order to save power for the com
`purer, the battery is only charged Ii its charge level is so
`low that there is a risk that the mobile terminal cannot
`be furth or operated due to a lack of power. The last case
`is particularly applicable to f‘i‘thlle computers. such as
`laptops, notebooks and the like. which have an Internal
`power supply In term of a detachable battery pack. an
`accumulator or the like. Here it is very important that the
`power resources of the computer as well as the mobile
`terminal are cerefuily controlled to ensure proper open
`atlon.
`It is to be noted that In the example of the mo-
`[001d]
`btie terminal con trolling the charging of its battery on the
`basis of a powersupply status Information received from
`the computer, the computer needs an appropriate driver
`software which detects the power status of the computer
`and transmits acorresponding Information via the USB
`interface to the mobile terminal. Hereby! the data line of
`the charging circuit according to the present invention
`used for the transmission of the power supply stslus in-
`formation between the computer and the mobile termi-
`nal can aiso be used for the communication of down-
`loadiuplosd data and the like.
`[0015]
`In the following descrlption, the present lnven~
`tlon Is explained in more detail In relation to the enclosed
`only Figure 1, which shows a schematic block diagram
`of a charging circuit and a mobile terminal according to
`tire present Invention being connected to a computer.
`[0613]
`Particularly, Fig. ‘I shows a block diagram of a
`charging circuit 1 according to the present Invention for
`charging a mobile terminal 2 of a wireless telecommu‘
`nication system through a USB interface of a computer
`3. Fig.
`1
`ttreroby shows an embodiment In which the
`charging circuit 1 comprises a connection cable 4 con-
`nected to the computer a and a connection cable 5 con-
`nected to the mobile terminal 2. in another embodiment
`of the charging circuit 1 according to the present Invsnv
`tion. the connection cables 4 and 5 can be separate do:
`vices to be detachabiy connected to the charging circuit
`1.
`
`[0017] The connection cabie 5 connecting the charg-
`ing circuit 1 and the computer 3 is a USB data cable
`[universal serial bus data cable) which comprises at
`least onedata line 4a, one power line 4b and one ground
`line no. The power line 4b is considered for powering
`USB devices and delivers usualty 5V 3: 5% voltage and
`SDUmNmeA current so that the charging specifics
`
`'
`
`Huawei V. FISI Exhibit No. 1002 - 148/208
`
`FISI00001 1 1 8
`
`

`

`_
`
`I
`
`.
`
`tic no of most mobile terminals For wiretcoo telecommu-
`nication systems. such as the UMTS ondr‘or the GSM
`system. are met.
`t comprises adaptation
`[D018] The charging circuit
`means for adopting the power received from tho USB
`interface or the computer 3 to the power requirements
`_. of the rnobiie terminal 2 to be charged. The adaptation
`. means hereby comprise a current iimlter 6 to limit the
`current in the power line 4b to the maximum charging
`. current of the mobile terminal 2. The adaptation moons
`,. further comprise a short circuit protection moans 7 for
`protecting the mobile terminal 2 andr'or the computer 3
`against short circuits. The voltage received from the
`_ USB Interface is regulated by a voltage regulator 8 to
`fluent the charging requirements of the mobile terminal
`2.
`' [0019] The connection molt-1'5 botwccn‘the charging
`‘ circuit tend the mobile terminal 2 comprises at toast
`- one data line 5a which is connected in the data line As
`_ oitho connection cable 450 that data are communicated
`between the computer 3 and the mobile terminal 2 via
`the data line 43 and the data ilnc 53. The connection
`cable 5 comprises a connector plug 13 for connection
`_ with a inputioutpur and charge board 12 of the mobile
`._ terminal 2. Hereby. the power line 5b and the ground
`-
`line 5:: are connected to a battery 11 of the mobile ter-
`' Minot 2. The battery 11 can be an integral battery or a
`' removable batteryreocumulaior. Further, the data linefie
`isherewithconneotedtoaoontroimeanssotthernobile .
`_ terminal 2, which is connected to a memory means '10
`tor storing data andror software application programs.
`- The control means El connois the charging of the battery
`"11 from the USB interface at the computer 3 through the
`. charging circuit 1.
`--, {0020]
`The USS intoriaoo of ihooomputer 3 is realised .
`in a USB port 1?. to which aUSB plug 13 oi the connec-
`tion oabloii ofthoohorglng circuit 1 Is connected. Horo-
`by. the power line 4b and the ground tine 4c are con-
`' nootod to either an internal bettoryracoumuiator 15 of
`the computer means 3 or to an external power supply
`socket 16. to which an external power sou roe for the
`computer 3 can be connected. Thus. the battery 11 of
`the mobiie termin all 2 is either charged from the internal
`batterymccumuiaior 15 of the computerti or an external
`power supply connected to the external power supply
`socket to of the computer 3.
`[0021] The control means Q of the mobile terminal 2
`can control the charging process of the battery 11 In two
`ways. The First way is that the charging process is ex-
`ciusrvely controlled by the control moons 9. which. after
`dotocticn that thc mobilo terminal 2 is connected to :2
`USB interface of a computer a and that the battery travel
`of thebattery 11 is below a prevset value starts tocherge
`the boltcry 11 .The charging circuit 1 will then deliver the
`specific voltage and current through the power lines 4b,
`5b and the ground lines 4c. so to the battery ii. The
`current limiter and the voltage regulator are thereby set
`to the specific power requirements of the battery it. In
`
`.
`
`'
`
`-
`
`5
`
`EP1 1980491“
`
`6
`
`case thatthe charging clrcuitt is to be used with differ-
`ent kinds of mobile terminals 2. the neoessaly current
`and voltage values could for example be extornaliy set
`by a user through a corresponding input means to the
`charging circuit 1. The neural control software for con
`trolling the charging of the battery is implemented in tho
`memory 10 Oi the mobile terminal 2 and used by the
`control means 3 for detecting if the mobile terminal 2 is
`connected to an U SB interface or a computer 3. to detect
`the charge loyal of the battery 11 and to control the
`charging process correspondingly. The pro—set value,
`from which charging of the battery 11 starts. can for can
`ample be 5% oi the entire battery capacity. The control
`means 9 is for example a microchip or a microprocessor
`oi the mobile terminal 2 which also controls other impora
`tent functions of the mobile terminal.
`[0022]
`In a second way or controlling the charging
`process at the battery it of the mobile terminal 2. the
`control means 9 receives a power supply stat-us infor-
`motion of the computer 3 through the data lines 4e and
`53 and controls the charging of the battery on the basis
`of the received power supply information. The power
`supply status Information received from the computer 3
`indicates if the computer 3 is connected to an Internal
`batteryreccumulator 15 or to an external power supply
`via the external power supply oookot 16. The power oup—
`my status informalion is thereby detected in the compu—
`ter 3 by a control means 14 and supplied via the data
`line 43 and the data line So to the control means 9 of the
`mobile terminal 2. In case that the received power sup-
`ply status information indicates that the computer 3 is
`connected to an external power supply,
`the control
`means 53 charges the battery It
`independent of its
`charge revel.
`it. on the other hand. the power control
`status information indicates that the computer 3 is only
`connected to and powered by an internal power euppiy.
`such as tho oohoryr'aooumulator 15, the control moans
`9 detects the charge level of the battery '11 and only
`starts charging of the battery it via the charging circuit
`"I
`if the charge level Is balmy a pro-set value. as for ex—
`ample 5% oi the entire battery capacity. Here. the con-
`troi means 14 oi the computer 3 may for example use
`the Microsoft Power Manager and a further special sch-
`wero application. as for example a USB dale. cable drIVr
`or. to detect the power supply status- oithe computer 3
`and supply a corresponding power status information to
`a connected mobile terminal 2. Each time a USB cable.
`on for example a connection cable 4 of the charging cir-
`cuit 'i is connected to the USB port 1’? of the computer
`3, the USB data cable driver will start automatically and
`activate the Microsoft Power Manager to get the status
`of the power suppiy oi the computer 3. After the USB
`cable is disconnected, the USE data cable driver will be
`automatically closed. Thus. 11¢ lurther special applica-
`tions or sotIWare is needed on the computer 3 and the
`charging circuit 1 can be used an
`era-coiled plug and
`play device. Further. the USB data cobie driver only runs
`when a USB data cable is connected to the USB port
`
`F0
`
`15
`
`ED
`
`3'0
`
`40
`
`55
`
`Huawei V. FISI Exhibit No. 1002 - 149/208
`
`FISI00001 1 19
`
`

`

`7
`
`EP1 193 0491M
`
`8
`
`1?. instead running the whole time In the background.
`Hereby. computer resources are saved. The USB data
`oablo drlvor could also protect itself at ouosting and
`sending pcvrar supply inform aticn to a mobile terminal
`2 by other drivcrs oi othcr manufacturcrs.
`. [0023] Tho prosont invention is particularly advanta-
`goons. oinoo the battery 11 of the mobile terminal 2 Gan
`:. be charged while the user works on the basis of thodata
`.. connection between the mobile terminal 2 and the com
`. purer 3. for example while: down~ or uploading data or
`. the like.
`
`.
`
`-' Clair-no
`
`-
`
`_.
`
`'
`
`-
`
`1. Charging circuit (1 } torcnarging'é' mobile terminal
`' (2) of a wirelassteleoommunicatlon cysts-l m through
`a USE-I interface of a computer (3}: with firstconnco
`rlon means (4) for connection with the USB interface
`' of a computer (a), second connoction means (5) for
`‘ connection with a mobile terminal {2) to be charged,
`'. and
`adaptation means (6: 7, a) for adopting power re-
`ceived irom said USB interface to the power ro-
`'_qulremcma of a mobile terminal to be charged.
`
`' 2. Charging circuit (1i according to clairn1.
`characterized in,
`'_ that solo! adaptation moans comprises a current
`‘ limiter (6} to iimitthe curront received from the USB
`interface to a maximum charging currentcf the mo-
`'. bile terminal (2}.
`
`'
`
`_
`
`-
`
`'2
`
`'
`
`'3. Charging circuit {1i according to'olaim 1 or 2.
`' characterized in,
`_
`.
`that Said adaptation moons comprises a short cir-
`. ouil protection moans i?) for protecting the mobile
`terminal (2) andior the computer (3} against short
`' circuits.
`
`'
`
`4. Charging circuit {1) according to claim 1. 2 or 3.
`oharaoterixocl in.
`than said adaptation means comprises a voltage
`regulator {8) for regulating the voltage received
`from the USE! interface to the charging require-
`ments of the rnobiio terminal [2).
`
`5. Charging circuit (1 ) according to ono ofthn cit-limo
`‘1 lo 4,
`characterized in,
`thol said first concoction means (4) is a USB cable
`ror connection with a USB port {17} or the computer
`and said second connection means (5} is a mobile
`terminal cable for connection with a corresponding
`data inputroutput and charge port (12) or the mobile
`terminal (2).
`
`6. Charging circuit (1 ) according to one of tho clal ms
`
`F0
`
`r5
`
`2!?
`
`30
`
`35-
`
`40
`
`45
`
`50
`
`55
`
`1 to 5‘
`characterized by
`a data line (to. 53) for transmitting power supply
`status information from the computer {3) to the mo-
`bile terminal (2}.
`
`8. Mobile terminal (2) for a wireless telecommunh
`cation system, comprising
`
`a battery (11) providing powor suppiy,
`connection means {12) adapted to be connect-
`cd to ach crging circuit (1] according to one of
`the claims 1 to 6‘ and
`control means (9} for controlling the charging
`oi the battery (it) from a USB interface of a
`_ computer {3).
`
`9. Mobile terminal (2} according to claim 8.
`characterized in,
`that the control means (9} dctccts the charge level
`of the battery (11) and controls the charging of the
`battery (11} from a USES interface through a con-
`nected charging circuit {1) on the basic oi the de-
`tected charge level
`
`10. Mobile terminal (2) according to claim 91
`charactorized in,
`thattho control memorial-charges said battery (11} '
`if the detected charge level is below a preset value.
`
`.
`
`11. Mobile terminal [2) according to ctaim in.
`characterizad in,
`that the control means (9) charges said battery if
`the detected charge level is below about 5% of the
`entire battery capacity.
`
`12. Mobilo terminal [2) according to ciaim 3,
`characterized in,
`that the! control means {9) is adapted to receiver a
`power supply status. information of a computer (3]
`through a connected charging circuit (1) and con-
`trols the charging of the battery from a USB Intorv
`face of tho computer (3)
`through the connected
`charging circuit (1 )on the basis cfthc roccivod pow--
`or supply status information.
`
`13. Mobile terminal [2) according to claim 12,
`characterized in,
`that the control means (9) charges said battery it
`the received powcr supply status Information inrii~
`catos that tho computer (3) is connected to an ox~
`tornal power suppiy.
`
`14. Mobile terminal (2) according to claim 12 or 13.
`characterized in,
`that the control means [9) is adapted to detect the
`charge love] of said battery and charges said bat—
`tery if the received power supply status information
`
`Huawei V. FISI Exhibit No. 1002 - 150/208
`
`FISI00001 120
`
`

`

`9
`
`EP1 198049A1
`
`1o
`
`Indicates that he computer ('3) is powered by an in-
`ternal power supply and that the detesled charge
`level is below a preset value.
`
`15. Mobile lermlnal (2) moording to claim 14.
`characterized in,
`that the preset value is about 5% of the entire bat-
`tery capaclty,
`
`5
`
`H?
`
`H)?
`
`NED
`
`30
`
`35
`
`40
`
`Huawei V. FISI Exhibit No. 1002 - 151/208
`
`FlSI00001 121
`
`

`

`EP 1 193 049 A1
`
`
`
`Huawei V. FISI Exhibit No. 1002 - 152/208
`
`FlSI00001122
`
`

`

`EP 1 198 049 A1
`
`9 Office
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`European Palenl
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`* page 4, '-11ne 23 -
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`- a J? 10 26112? A {NEC CORP),
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`31 August 2090 (2906---9331}
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