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`First Named Inventor|Daniel M. Fischer
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`Nameof Patentee or Applicant Pages,Columns,Lines where
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`ae
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`Relevant Passages or Relevant
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`of cited Document
`;
`Figures Appear
`
`
`ie
`
`Patent Number
`
`Issue Date
`
`1
`
`3775659
`
`1973-11-27
`
`Carlsen, II
`
`
`
`2
`
`4433251
`
`1984-02-21
`
`Banks, et al.
`
`
`
`3
`
`4510431
`
`1985-04-09
`
`Winkler
`
`
`
`4
`
`3173855
`
`1992-12-22
`
`Nielsen, etal.
`
`
`
`5
`
`3229649
`
`1993-07-20
`
`Nielsen, etal.
`
`
`
`6
`
`3272475
`
`1993-12-21
`
`Eaton, et al.
`
`
`
`7
`
`8
`
`3444378
`
`1995-08-22
`
`Rogers
`
`3631503
`
`1997-05-20
`
`Cioffi
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`Examiner Name
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`5638540
`
`1997-06-10
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`Aldous
`
`5651057
`
`1997-07-22
`
`Blood, et al.
`
`3769877
`
`1998-06-23
`
`Barreras, Sr.
`
`3850113
`
`1998-12-15
`
`Weimer,et al.
`
`5939860
`
`1999-08-17
`
`William
`
`6006088
`
`1999-12-21
`
`Couse
`
`6104162
`
`2000-08-15
`
`
`
`Sainsbury, et al.
`
`6104759
`
`2000-08-15
`
`Carkner,et al.
`
`6130518
`
`2000-10-10
`
`Gabehart, et al.
`
`6138242
`
`2000-10-24
`
`Massman, etal.
`
`6184652
`
`2001-02-06
`
`Yang
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`w====~-Bo
`
`ao
`
`=
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`hoSo
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`6211649
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`ho
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`hohohoho
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`6252375
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`6255800
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`6283789
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`6397696
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`6668296
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`26
`
`6738856
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`2f
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`7170259
`
`Matsuda
`
`Richter, et al.
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`Bork
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`Tsai
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`Ogami
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`Dougherty, et al.
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`Milley, et al.
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`2|200101330 A1|2001-01-04|Cross Matchwo
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`Technologies, Inc.
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`an
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`
`TS
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`
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`
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`Electric Double-Layer Capacitors, Vol. 2, Japan, Tokin Corporation, Cat. No. EC-200E, October 25, 1996, 40 pgs.
`
`
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`Supercapacitor: User's Manual, Vol. 2, Japan, Tokin Corporation, January 1997, 47 pgs.
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`

`IMIATA
`
`EP 0 684 680 B1
`
`(11)
`
` )
`
`nreentatome,
`
`EuropeanPatent Office
`Office européen des brevets
`
`(19) 0
`
`(12)
`
`EUROPEAN PATENT SPECIFICATION
`
`(51)
`
`Int ci.6: HO2J 7/00
`
`(45) Date of publication and mention
`of the grant of the patent:
`28.07.1999 Bulletin 1999/30
`
`(21) Application number: 95106552.3
`
`(22) Date offiling: 02.05.1995
`
`(54) Identification apparatus and method
`
`Verfahren und Vorrichtung zur Identifikation
`
`Procédé et appareil d’identification
`
`(84) Designated Contracting States:
`DE FR GB SE
`
`(830) Priority: 16.05.1994 Fl 942271
`
`(43) Date of publication of application:
`29.11.1995 Bulletin 1995/48
`
`(73) Proprietor: NOKIA MOBILE PHONESLTD.
`24101 Salo (FI)
`
`(72)
`
`Inventor: Hakkarainen, Kalle
`SF-24100 Salo (Fl)
`
`(74) Representative: Frain, Timothy John etal
`Nokia IPR Department
`Nokia (UK) Limited
`Summit Avenue
`Southwood
`Farnborough Hampshire GU14 ONZ (GB)
`
`(56) Referencescited:
`EP-A- 0 038 877
`DE-A- 3 528 659
`
`EP-A- 0 409 226
`
`
`
`EP0684680B1
`
`Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give
`notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall befiled in
`a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art.
`99(1) European Patent Convention).
`
`oetitiIETSEX1802
`Printed by Jouve, 75001 PARIS (FR)
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`

`1
`
`EP 0 684 680 B1
`
`2
`
`Description
`
`[0001] The present invention relates to identification
`apparatus and a methodtherefor. In particular,it relates
`to such apparatus and method for accessory devices of
`electronic devices such as portable telephones.
`[0002] There are many types of peripheral devices
`used with electronic devices. A particularly common ac-
`cessory device is a battery charger for portable devices
`such as portable telephones The present invention will
`now be discussedin terms of the state of the art and by
`way of example, with reference to battery chargers.
`[0003] There are a number of known methods for
`charging rechargeable batteries for portable devices,
`such as nickel-cadmium batteries. Many of these charg-
`ers require the removal of the batteries from the device
`to enable recharging. Removal of the batteries from the
`device is considered a drawback, since the deviceis out
`of operation during the recharging. However, a number
`of different chargers have been developed which can be
`attached to a battery powered device and the batteries
`chargedin situ in the device. In this way, the functionality
`of the device can be maintained while charging the bat-
`teries. Even though the functionality of the device is
`maintained, a portable device, such as a mobile phone,
`is unavailable for operation in the manner intended, i.e.,
`as a portable device. Since chargers often recharge a
`battery using a fairly low charging current, the battery
`powered device is not available for portable operation
`for extended periods of time, such as eight hours or
`more during which time the batteries are being re-
`charged.
`[0004] Many battery powered devices, such as mobile
`phones, are extremely energy intensive, expending
`considerable amounts of power during the receive func-
`tions and more particularly during the transmit functions.
`Because of lengthy recharging times, "rapid" chargers
`have been developed which can charge batteries fairly
`rapidly, for example in less than an hour as compared
`with the charging time of eight hours for previous battery
`chargers.
`In order to charge batteries rapidly, numerous
`[0005]
`problems had to be overcome. One of the most serious
`problems was overcharging of the batteries, resulting in
`turn in overheating of the batteries. Overheating may
`damage the battery case seals, resulting in rupturing of
`the battery case and in extreme instances in explosive
`rupturing of the battery case.
`[0006]
`In Known "rapid" battery chargers most of
`these problems have been solved in one wayor another,
`e.g., by monitoring given battery parameters, such as
`the charging rate of the battery, internal battery temper-
`atures or charge state of the battery.
`In some "rapid"
`chargers, attempts have been made to prevent over-
`charging of the batteries by utilizing timed charging of
`the battery. However, using these known solutions it is
`not always possible to prevent overcharging of batter-
`ies, for instance, when the charger type is not exactly a
`
`correct one or designed to be used with the battery being
`charged.
`[0007] Numerous different types of chargers are on
`the market which comprise different charging capacities
`and charging parametersfor charging rechargeable bat-
`teries of portable devices. Some chargers can even be
`unsuitable,
`i.e., hazardous for the batteries. Conse-
`quently, portable devices should be able to somehow
`identify the charger and its properties. Similar problems
`exist for accessory devices generally for all types of
`electronic device, not just battery charges or portable
`telephones.
`[0008]
`EP-A-0 409 226 discloses an identification ap-
`paratus for a load comprising coupling means for cou-
`pling the load to a power supply and modulating means
`for modulating a signal according to the identity data
`from the load.
`
`[0009] According to afirst aspectof the present inven-
`tion, there is provided identification apparatus for an ac-
`cessory device, comprising coupling means for coupling
`the accessory device to a mobile telephone and modu-
`lation means for modulating a signal on the coupling
`means in accordance with identity data from the acces-
`sory device
`[0010] According to a second aspect of the present
`invention, there is provided an identification method for
`an accessory device, comprising transmitting an identity
`signal from the accessory device to a mobile telephone
`coupled thereto by modulating a signal transmitted ther-
`ebetween in accordancewith identity data from the ac-
`cessory device.
`[0011] This has the advantage that the accessory de-
`vice can indicate to an electronic device to which it is
`
`connected which peripheral device it is. Thus, there is
`provided a solution to a problem of identifying accessory
`devices.
`
`the modulation
`In a preferred embodiment
`[0012]
`means comprises a switch means operable to activate
`and de-activate the coupling means.
`[0013]
`Preferably, the identification apparatus further
`comprises a bit generator or corresponding charger for
`generating the identity data.
`[0014]
`Suitably,
`there is provided control means
`adoptedto control the modulation means in accordance
`with the identity data for superimposing a pulse ratio,
`pulse length, pulse count or the like signal on the signal
`on the coupling means.
`there is provided timing
`[0015] Advantageously,
`means for determining a time during which the modula-
`tion means is operable, in particular the timing means
`comprises a timer and a switch operable in accordance
`with the timer to decouple the identity data from the con-
`trol and/or modulation means.
`
`the switch means comprises a
`[0016] Optionally,
`switching transistor or field effect transistor.
`[0017]
`Identification may be implementedafter a cer-
`tain start-up period, before operation, e.g. charging, is
`started or in the initial stage of operation of the acces-
`
`20
`
`25
`
`30
`
`35
`
`40
`
`45
`
`50
`
`55
`
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`

`3
`
`EP 0 684 680 B1
`
`4
`
`sory device.
`[0018]
`Embodiments in accordance with the invention
`are now described, by way of example only, and with
`reference to the appended drawings in which:
`
`Additionally, the modulation of the charging voltage may
`comprise varying the charging voltage as well as switch-
`ing it on or off.
`
`1 shows a diagrammaticillustration of the im-
`Fig.
`plementation of apparatus in accordance with the
`invention,
`
`Fig. 2 shows a more detailed diagrammatic illustra-
`tion of the apparatus of Fig.
`1
`
`Ina device in accordance with the invention a
`[0019]
`battery charger for a transportable device transmits an
`identification code for the charger via a charging cable,
`by switching the charging voltage on and off using acer-
`tain pulse ratio or pulse length or pulse count. Such iden-
`tification can be implemented after a certain start-up
`time or before starting an actual charging routine It can
`also be carried out in the initial stage of charging after
`having switched the charging on or entered a charging
`routine.
`
`Fig. 1 shows an implementation of an embod-
`[0020]
`iment in accordance with the invention. The identifica-
`
`tion of the charger is formed by using bit generator 1
`from which the identification is taken via switching block
`2, controlled by timing block 3, to control block 4 of a
`pulse width modulator. A switching transistor or field ef-
`fect transistor functions as switch 8 and takes a charging
`voltage containing the identification as a modulation im-
`posed thereon, via inductance 6 to the output of the
`charger. Timing block 3 can also operate to control
`switch 8 to stay on after the pulse identification has been
`transmitted from the charger. The main circuit compris-
`es, ina known manner, parallel diode 5 and parallel ca-
`pacitor 7 coupled to ground. The charging voltage may
`be the output of a DC/DC converter, the output of which
`is then switched on or off by switch 8.
`[0021]
`Fig. 2 shows aslightly more detailed diagram-
`matic illustration of the apparatus in accordancewith the
`invention. The identification of the charger is formed by
`using logic NAND circuit 9 (an AND circuit having an
`inverting output), from wherethe identification is trans-
`mitted to control block 4 of the pulse width modulator.
`The resistances shown in Figure 2 are marked with
`numbers 10 and 11 and the capacitors are marked with
`numbers 12 and 13. A switching transistor or field effect
`transistor functions as switch 8 and takes the charging
`voltage containing the identification via inductance6 to
`the output of the charger. The pulse identification is
`formed until capacitor 12 is charged, switch 8 being left
`switched on thereafter.
`
`In view of the foregoing description it will be
`[0022]
`evident to a person skilled in the art that various modi-
`fications may be made within the scope of the invention.
`For example, the accessory device need not be a bat-
`tery charger but could be some other accessory, and the
`electronic device need not be just a portable telephone.
`
`Claims
`
`1.
`
`2.
`
`20
`
`3.
`
`4.
`
`25
`
`Identification apparatus for an accessory device,
`comprising coupling means for coupling the acces-
`sory device to a mobile telephone and modulation
`means for modulating a signal on the coupling
`means in accordancewith identity data from the ac-
`cessory device.
`
`Identification apparatus according to claim 1,
`wherein the modulation means comprises a switch
`means operable to activate and de-activate the cou-
`pling means.
`
`Identification apparatus according to claim 1 or
`claim 2, further comprising a bit generator or corre-
`sponding charger for generating the identity data.
`
`Identification apparatus according to any preceding
`claim, wherein there is provided control means
`adapted to control the modulation means in accord-
`ance with the identity data for superimposing a
`pulse ratio, pulse length, pulse count or the like sig-
`nal on the signal on the coupling means.
`
`Identification apparatus according to any preceding
`claim, wherein there is provided timing means for
`determining a time during which the modulation
`means is operable.
`
`Identification apparatus according to claim 5,
`wherein the timing means comprises a timer and a
`switch operable in accordance with the timer to de-
`couple the identity data from the control and/or
`modulation means.
`
`Identification apparatus according to any preceding
`claim, wherein the switch means comprises a
`switching transistor or field effect transistor.
`
`Identification apparatus according to claim 1, fur-
`ther comprising:
`
`-
`-
`-
`
`a logic NAND circuit,
`resistance, and
`capacitance, wherein
`
`5.
`
`6.
`
`7.
`
`8.
`
`30
`
`35
`
`40
`
`45
`
`50
`
`55
`
`the identity data is formed by using the logic NAND
`circuit, from wherethe identity data is taken to con-
`trol block for a pulse width modulator.
`
`9. Abattery charger comprising identification appara-
`tus according to any preceding claim, wherein the
`
`Petitioners Ex. 1002
`IPR USP 7,834,586
`Page 10 of 295
`
`Petitioners Ex. 1002
`IPR USP 7,834,586
`Page 10 of 295
`
`

`

`5
`
`EP 0 684 680 B1
`
`6
`
`coupling means is adapted to carry a charging volt-
`age, and the signal on the coupling means is a
`charging voltage.
`
`An identification method for an accessory device,
`comprising transmitting an identity signal from the
`accessory device to a mobile telephone coupled
`thereto by modulating a signal transmitted therebe-
`tween in accordance with identity data from the ac-
`cessory device.
`
`A method according to claim 10, wherein the signal
`is modulated by switching the signal on or off.
`
`10.
`
`11.
`
`Patentanspriiche
`
`1.
`
`Identifikationsvorrichtung fur ein Zusatzgerat, mit
`Kopplungsmitteln zur Kopplung des Zusatzgerats
`an ein Mobiltelefon, und Modulationsmitteln zur Mo-
`dulation eines Signals an den Kopplungsmitteln ge-
`maB Identitatsdaten von dem Zusaizgerat.
`
`Identifikationsvorrichtung nach Anspruch 1, bei der
`die Modulationsmittel Schaltmittel enthalten, die zur
`Aktivierung und Deaktivierung der Kopplungsmittel
`betreibbar sind.
`
`Identifikationsvorrichtung nach Anspruch 1 oder 2,
`mit einem Bitgenerator oder einem korrespondie-
`renden Ladegerat zur Erzeugung der Identitatsda-
`ten.
`
`8.
`
`Identifikationsvorrichtung nach Anspruch 1, mit:
`
`-
`-
`-
`
`einer NAND-Logikschaltung;
`einem Widerstand; und
`einer Kapazitat, wobei die Identitatsdaten unter
`Verwendung der NAND-Logikschaltung gebil-
`det werden, von wo aus die Identitatsdaten ei-
`nem Steuerblock flr einen Pulsbreitenmodula-
`
`tor zugefUhrt werden.
`
`9. Batterieladegerat mit einer Identifikationsvorrich-
`tung nach irgendeinem der vorangegangenen An-
`spriiche, wobei die Kopplungsmittel zur Ubertra-
`gung einer Ladespannung vorgesehen sind, und
`das Signal an den Kopplungsmitteln eine Lade-
`spannung ist.
`
`10. Identifikationsverfahren fiir ein Zusatzgerat, mit ei-
`nem Schritt zur Ubertragung einesIdentitatssignals
`vom Zusatzgerat an ein mit diesem gekoppeltes
`Mobiltelefon, und zwar mittels Modulation eines
`zwischen ihnen Ubertragenen Signals gemaB den
`Identitatsdaten vom Zusatzgerat.
`
`11. Verfahren nach Anspruch 10, bei dem das Signal
`moduliert wird,
`indem es ein- oder ausgeschaltet
`wird.
`
`20
`
`25
`
`30
`
`Revendications
`
`Identifikationsvorrichtung nach irgendeinem der
`vorangegangenen Ansprtche, bei der zur Steue-
`rung der Modulationsmittel gemaB den Identitats-
`daten Steuermittel bereitgestellt sind, um ein Puls-
`verhaltnis, eine Pulslange, eine Pulszahl oder ein
`ahnliches Signal mit dem Signal an den Kopplungs-
`mitteln zu Gberlagern.
`
`Identifikationsvorrichtung nach irgendeinem der
`vorangegangenen Ansprtche, bei der zur Bestim-
`mung einer Zeit wahrend der die Modulationsmittel
`betreibbar sind Zeitsteuerungsmittel vorgesehen
`sind.
`
`Identifikationsvorrichtung nach Anspruch 5, bei der
`die Zeitsteuerungsmittel einen Zeitgeber und einen
`Schalter enthalten, der gemaB dem Zeitgeber be-
`treibbar ist, um die Identitatsdaten von den Steuer-
`und/oder Modulationsmitteln zu trennen.
`
`Identifikationsvorrichtung nach irgendeinem der
`vorangegangenen Ansprtche, bei der die Schalt-
`mittel einen Schalttransistor oder einen Feldeffekt-
`transistor enthalten.
`
`35
`
`40
`
`45
`
`50
`
`55
`
`1. Appareil d'identification pour un dispositif auxiliaire,
`comprenant un moyen de couplage pour coupler le
`dispositif auxiliaire a un téléphone mobile et un
`moyen de modulation pour moduler un signal sur le
`moyen de couplage conformément a des données
`d'identité a partir du dispositif auxiliaire.
`
`2. Appareil d'identification selon la revendication 1,
`dans lequel le moyen de modulation comprend un
`moyen de commutation pouvant étre utilisé pour ac-
`tiver et désactiver le moyen de couplage.
`
`3. Appareil d'identification selon la revendication 1 ou
`la revendication 2, comprenant en outre un géné-
`rateur de bit ou un chargeur correspondant pour gé-
`nérer les donnéesd'identité.
`
`4. Appareil d'identification selon l'une quelconque des
`revendications précédentes, dans lequel il est pré-
`vu un moyen de contréle adapté pour contréler le
`moyen de modulation conformément aux données
`d'identité pour superposer un rapport d'impulsions,
`une longueur d'impulsion, un nombre d'impulsions
`ou un signal similaire sur le signal sur le moyen de
`couplage.
`
`5. Appareil d'identification selon l'une quelconque des
`
`Petitioners Ex. 1002
`IPR USP 7,834,586
`Page 11 of 295
`
`Petitioners Ex. 1002
`IPR USP 7,834,586
`Page 11 of 295
`
`

`

`7
`
`EP 0 684 680 B1
`
`revendications précédentes, dans lequel il est pré-
`vu un moyen de mesure du temps pour déterminer
`un temps pendant lequel le moyen de modulation
`est utilisable.
`
`Appareil d'identification selon la revendication 5,
`dans lequel le moyen de mesure du temps com-
`prend une horloge et un commutateur pouvant étre
`utilisé en accord avec l'horloge pour découpler les
`donnéesd'identité a partir du moyen de contréle et/
`ou de modulation.
`
`Appareil d'identification selon l'une quelconque des
`revendications précédentes, dans lequel le moyen
`de commutation comprend un transistor de commu-
`tation ou un transistor a effet de champ.
`
`Appareil d'identification selon la revendication 1,
`comprenant en outre :
`
`20
`
`-—uncircuit logiquae NAND
`-
`une résistance, et
`-
`uncondensateur, dans lequel
`
`les données d'identité sont activées en utilisant le
`
`circuit logique NAND, a partir duquel les données
`d'identité sont saisies pour contrdéler un bloc pour
`un modulateur de largeur d'impulsion.
`
`Chargeur d'accumulateurs comprenant un appareil
`d'identification selon l'une quelconque des revendi-
`cations précédentes, dans lequel le moyen de cou-
`plage est adapté pour porter une tension de charge,
`et le signal sur le moyen de couplage est une ten-
`sion de charge.
`
`10.
`
`11.
`
`Méthode d'identification pour un dispositif auxiliai-
`re, comprenant la transmission d'un signal d'identi-
`té depuis un dispositif auxiliaire vers un téléphone
`mobile couplé a celui-ci en modulant un signal
`transmis entre eux conformément a des données
`
`d'identité a partir du dispositif auxiliaire.
`
`Méthode selon la revendication 10, dans laquelle le
`signal est modulé en commutant le signal en posi-
`tion marche ou arrét.
`
`25
`
`30
`
`35
`
`40
`
`45
`
`50
`
`55
`
`Petitioners Ex. 1002
`IPR USP 7,834,586
`Page 12 of 295
`
`Petitioners Ex. 1002
`IPR USP 7,834,586
`Page 12 of 295
`
`

`

`EP 0 684 680 B1
`
`Huttyf,
`
`AO}PABUAaH
`
`Tad
`
`Petitioners Ex. 1002
`IPR USP 7,834,586
`Page 13 of 295
`
`Petitioners Ex. 1002
`IPR USP 7,834,586
`Page 13 of 295
`
`

`

`Nw EP 0 684 680 B1
`
` Controlofthepulsewidth
`modulator
`
`rig.
`
`Petitioners Ex. 1002
`IPR USP 7,834,586
`Page 14 of 295
`
`Petitioners Ex. 1002
`IPR USP 7,834,586
`Page 14 of 295
`
`

`

`(12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT)
`
`(19) World Intellectual Property Organization
`International Bureau
`
`(43) International Publication Date
`4 January 2001 (04.01.2001)
`
`
`
`PCT
`
`EETAEAA
`
`(10) International Publication Number
`WO 01/01330 Al
`
`(51)
`
`International Patent Classification’:
`
`GO06K 9/00
`
`(74)
`
`(21)
`
`International Application Number:
`
`PCT/US99/22709
`
`(22)
`
`ap
`.
`International Filing Date:
`
`1 October 1999 (01.10.1999)
`
`(81)
`
`(25)
`
`Filing Language:
`
`(26)
`
`Publication Language:
`
`English
`
`English
`
`(30)
`
`Priority Data:
`60/140,754
`
`25 June 1999 (25.06.1999)
`
`US
`
`(84)
`
`(71)
`
`(72)
`(75)
`
`Applicant (for all designated States except US): CROSS
`MATCH TECHNOLOGIES, INC.
`[US/US]; Phillips
`Point East Tower, Suite 1200, 777 South Flagler Drive,
`West Palm Beach, FL 33401 (US).
`
`Inventors; and
`(for US only): MCCLURG,
`Inventors/Applicants
`George, W. [US/US]; 2166 N.E. Ocapi Court, Jensen
`Beach, FL 34957 (US). BRUNELL, David [US/US]; 200
`Avila Road, West Palm Beach, FL 33405 (US). SCOTT,
`Walter, G. [NZ/US}; 11662 Lake Shore Place, North Palm
`Beach, FL 33408 (US).
`
`Agents: KESSLER, Edward, J. et al.; Sterne, Kessler,
`Goldstein & Fox P.L.L.C., Suite 600, 1100 New York Av-
`enue, N.W., Washington, DC 20005-3934