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`TERMINAL |
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`[ARUNECSU
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`COMMISSISNER FOR PATENTS
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`SERIAL NUMBER
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`FILING DATE
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`42/18/2000
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`RULE
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`GROUP ARTUNIT]
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`2681
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`ATTORNEY
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` SGcKet No.
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`PHF 99.624
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`APPLICANTS
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`Philippe Decotignie, Le Mans, FRANCE;
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`* CONTINUING DATA arensbakssSerBransnsnasa)2 . Pape
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`IF REQUIRED, FOREIGN FILING LICENSE
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`FRANCE 9916136 12/21/1999
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`Initials
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`() other
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`Corporate Patent Counsel:
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`U.S. Philips Corporation;
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`580 White Plains Road;
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`TITLE
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`Anti-theft protection for a radiotelephony device
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`C] All Fees
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`C) 1.16 Fees(Filing )
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`Cl 1.17 Fees ( Processing Ext. of |
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`to charge/credit DEPOSIT ACCOUNT
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`No. PHF 99,624
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`20231
`=0 THE COMMISSIONER FOR PATENTS, Washington, D.C.
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`toe
`=~
`=—=w Enclosed for filing is the patent application of Inventor(s):
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`== PHILIPPE DECOTIGNIE
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`San
`=, For: ANTI-THEFT PROTECTION FOR A RADIOTELEPHONY DEVICE
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`——
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`===° ENCLOSED ARE:
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`[X] Appointment of Associates;
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`[X]
`Information Disclosure Statement, Form PTO-1449 and copies of
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`(X] Specification (9 Pages of Specification, Claims,
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`(1 Page of a
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`] Drawing (2 sheets of
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`]) Certified copy of a FRENCH application Serial No.9916136;
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`] Authorization Pursuant
`to 37 CFR §1.136(a) (3)
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`] Other:
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`J) Assignment
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`00/9/21
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`to
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`FEE COMPUTATION
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`Multiple Dependent Claims,
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`in-part of application Serial No.
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`Date of Deposit__ December 18, 2000_Michael E, Marion, Reg. 327266
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`t hereby certify that this paper and/or fee is being
`Attorney
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`{914} 333-9641
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`580 White Plains Road
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`Commissioner for Patents, Washingjon, D, Waegp
`Natale A. Manzo
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`PATENT APPLICATION SERIAL NO.
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`Group Art Unit
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`IN THE ~.i1TED STATES PATENT AND TRaueMARK OFFICE
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`In re Application of
`Atty. Docket
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`PHILIPPE DECOTIGNIE
`PHF 99,624
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`Serial No.
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`EX.
`Filed: CONCURRENTLY
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`Title: ANTI-THEFT PROTECTION FOR A RADIOTELEPHONY DEVICE
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`Commissioner for Patents
`Washington, D.C. 20231
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`AUTHORIZATION PURSUANT TO 37 CFR §1.136(a) (3)
`AND TO CHARGE DEPOSIT ACCOUNT
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`Sir:
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`The Commissioner is hereby requested and authorized to
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`treat any concurrent or future reply in this application requiring
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`@ petition for extension of time for its timely submission, as
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`incorporating a petition for extension of time for the appropriate
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`length of time.
`Please charge any additional fees which may now or in the
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`future be required in this application,
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`fees, but excluding the issue fee unless explicitly requested to do
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`so, and credit any overpayment,
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` Reg. 32,266
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`Attorney
`(914) 333-9641
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`\\SERVERO\SYS2\WPDOCS\SL\MB13SLE0.MA0O.doc
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`PHF 99.624
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`]
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`Anti-theft protection for a radiotelephony device
`
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`01.12.2000
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`DESCRIPTION
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`FIELD OF THE INVENTION
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`The invention relatds to a mobile radiotelephony device intended for
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`accommodatinga user identification module, said device comprising:
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`— connecting meansfor establishing a link between the device and the identification module
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`mounted inside the device,
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`— blocking means for preventing the normal operation ofthe device,
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`- test meansfor activating the blocking means whenthe identification module mounted:
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`inside the device is not the onethat\is linked to the device.
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`The invention also relates to a method of protecting such a device, and a
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`computer program for implementing such a method.
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`The invention notably has applications in the field of portable radiotelephony.
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`Portable radiotelephony devices are intended to accompanytheir users when they move
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`around. It happensthat these devices are lost or stolen.
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`PRIOR ART OF THE INVENTION
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`United States patent 5,913,175, published 15 June 1999 describes a method of
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`protecting a radiotelephone which permits to avoid that the lost or stolen telephone can be
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`used by a third party with another user identification module. This method comprises
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`establishing a link between the device and a specific user identification module and blocking
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`‘the normal operation of the device when the user identification module that is placed inside
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`the device is not the one that is linked to the device.
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`Whenthe deviceis lost or stolen with the identification module to whichitis
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`linked, the user is to warn the operatorso that the use ofhis identification module is blocked
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`at networklevel.
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`This meansthat the device can be freely used until the identification module to
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`whichit is linked is blocked via the network. This may take a certain period of time.
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`PHF99.624
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`2
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`01.12.2000
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`SUMMARYOFTHE INVENTION
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`It is notably an object ofthe invention to resolve this problem. For this
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`purpose, a device in accordance withithe invention and as described in the opening paragraph
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`is characterized in that it comprises:
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`- timing meansfor activating the blocking meansafter the device has been inactive for a
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`defined period oftime,
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`- and deblocking meansfor permitting normal operation of the device when the
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`identification module placed inside the device is the one that is linked to the device and
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`when a deblocking code is supplied by the ser.
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`Thus, when the devicefalls into the handsofa third party together with the
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`identification module to whichit is linked, it has most probably been inactive for a period of
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`time that is sufficiently long for its normal operation to be blocked (advantageously, the
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`inactive time after which the blocking meansare activated is of the order of several minutes).
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`The device cannot thus be used without the deblocking code being supplied.
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`Thanksto the invention the lost or stolen device becomestotally unusable. A
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`fraudulent person cannot send communicationsat the cost of the ownerof the device. But
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`neither can he use the device with another identification module. Thetheft of the device
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`becomestotally useless. The invention thus formsa protection againsttheft.
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`In a particularly simple embodiment, the connecting means comprise reading
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`means and storage means ofa data stored in the identification module, and the test means
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`compare the thus stored data with the data stored in the identification module whichis places
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`inside the device. The data stored is formed, for example, by the international identification
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`number IMSI whichis contained in the identification module (compare standardsrelating to
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`the GSM radiotelephony systems). Thus,the identification module is automatically linked to
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`the device without the intervention of the user, more particularly without the fact that a
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`specific code hasto be entered.
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`Advantageously the deblocking code, whichis to be supplied to return to the
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`normal operating mode, is formed by the pin code (Personal Identity Number) which is
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`contained in the identification module (compare standardsrelating to the GSM
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`radiotelephony systems). Thusthe user need not store an additional code to ensure the
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`protection of his device.
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`PHF 99.624
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`3
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`01.12.2000
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`BRIEF DESCRIPTION OF THE DRAWINGS
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`These and other aspects of the invention are apparent from and will be
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`elucidated, by way of non-limitative example, with reference to the embodiments) described
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`hereinafter.
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`In the drawings:
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`Fig. 1 represents a device in accordance with the invention,
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`Fig. 2 represents an overall electric diagram ofthe device of Fig. 1, and
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`Fig. 3 represents a flow chart explaining the operation ofthe device of Fig. 1.
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`DESCRIPTION OF A PREFERRED EMBODIMENTOF THE INVENTION
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`In Fig. 1 is represented an electronic device in accordance with the invention.
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`In the example described here this device is a portable radiotelephoneof the type used in
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`cellular systems. It notably comprises a microphone5, a loudspeaker6, a screen 8, a keypad
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`9 and an antenna 11. The device 1 also comprises a housing 12 intended for accommodating
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`a user identification module 13. In the example of embodimentdescribed here,this
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`identification module 13 is a portable card of an integrated circuit in which information is
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`stored, notably an international identification number currently called IMSI number, and a
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`Personal Identification Numbercurrently called PIN code.
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`Fig. 2 showsthe overall electrical diagram ofthis device. The operation ofthe
`nicroprocessor ass¢mbly 20 which comprises a
`deviceis, in essence, controlled by a
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`microprocessor 22 to which are associated a random access memory 24 and a read-only
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`memory 26. This assembly is connectetl
`to a man-machineinterface 30 via a commonline
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`32. This man-machineinterface 32 contfols the screen 8 and the keypad 9. The commonline
`/5 32 also connects the microprocessor assetnbly 20 to a transceiver assembly 35 via an
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`interface circuit 38. The transceiver assembly is connected to the antenna 11. Finally, the
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`commonline 32 also connects the microprocessor assembly 20 to a card reader 39.
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`In Fig. 3 is represented a function flow chart of a device in accordance with
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`the invention. This flow chart starts at box K1. In box K1 the deviceis in a state of
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`30_—availability, that is to say that the user has accessto all the functions of the device. The user
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`has the choice ofeither or not locking his device. This locking (L)/unlocking (UL) is done by
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`accessing a configuration menu of the device. When the user locks his device (box K2), the
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`identification modulethatis inside the device is automatically linked to the device. For this
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`purpose,the device starts reading a data D1 in the identification module (for example, the
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`PHF 99.624
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`01.12.2000
`4
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`internationalidentification number IMSI) andhestoresit in the random-access memory 24.
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`Once locked, the device remainsin the state of availability indicated in box K1. When the
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`deviceis in the state of availability, one looks whetherit is locked (box K3).Ifit is not
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`locked (arrow N3), the device remainsin the state of availability indicated in box K1. Ifit is
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`locked (arrow Y3), one looks whetherthe identification module whichis placedinside the
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`device is the one thatis linked to the device (box K4).
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`If the identification module, whichis placed inside the device, is not the one
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`that is linked to the device (arrow N4), the device goesto a first blocking state indicated in
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`box KS.In this first blocking state, the device is disconnected from the network. Thus it can
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`no longer receive an incomingcall nor transmit an outgoing call (possibly with the exception
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`of emergency numbers). In the blocking state K5, the screen shows a messageinviting the
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`user to insert the proper module into the device. And whenthe user inserts a new module,
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`one looks whether this new identification moduleis the one that is connected to the device
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`(box K7). If this is the case (arrow Y7), the device is reconnected to the network in
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`accordance with the normal procedure (box K8)and then the device returns to the state of
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`availability indicated in box K1. If not (arrow N7), the operation is resumed in box K5. The
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`only way ofleavingthis first blocking state is thus to place the identification modulethatis
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`linked to the device inside the device.
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`If the identification module thatis placed inside the device is linked to the
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`device (arrow Y4), one looks whether the device has remainedin the state of availability for
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`a certain period of time T of the order of several minutes, for example (box K10). If this is
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`not the case (arrow N10), the device remainsin the state of availability indicated in box K1.
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`If this is the case (arrow Y10), the device passes on to a second blockingstate indicated in
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`box K11 by passing throughan initialization step K12 which permitsto initialize a variable A
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`which represents the number of attempts made at supplying a deblocking code (for example,
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`the Personal Identification Number) PIN.
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`In this second blockingstate the device only processes incomingcalls (box
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`K13) and, possibly, the outgoing calls that correspond to emergency numbers (box K14).
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`Once these calls have been processed, the device goes back to the second blocking state
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`indicated in box K11. In the second blocking state K11 a message inviting the user to supply
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`a deblocking code is displayed on the screen.If the code taken by the user is recognized
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`(arrow Y11), the device goes back to the state of availability indicated in box K1. If it is not
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`recognized (arrow N11), the value of the variable A is tested (box K15), If this value is lower
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`than a certain figure (for example 3), the value of A is augmented by unity (box K16) and a
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`PHF 99.624
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`5
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`01.12.2000
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`messageis displayed on the screento indicate the user that the code is not valid (box K17).
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`Then the device goes back to the second blockingstate indicated in box K11. If the variable
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`A is higher than or equal to said figure, the test of box K15 causes the total blocking of the
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`device indicated in box K30. To leave this third blocking state it is necessary to contact the
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`organization that provides the identification module. Oneis then again in thestate of
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`availability K1.
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`In another embodimentof the invention, when the user locks the telephone,
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`the device asks for the user's name. The name givenbythe useris stored in the random
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`access memory 24 of the device. When the identification modulethat is inside the deviceis
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`not the onethatis linked to the device, the device displays the nameof the user before asking
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`him to insert his identification module as indicated in box K5. The device also displays the
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`name ofthe user before asking him to supply his personal codeas indicated in box K11.
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`The embodimentthat has just been describedis particularly effective, because
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`it provides two separate blocking modes depending on whetherthe identification module that
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`is placed inside the deviceis either or not linked to the device. The first blocking modeis
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`applied in the case where the device has beenlostor stolen. The object is then to prevent the
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`device being usable with anotheridentification module. It thus advantageously blocks the
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`incoming and outgoingcalls at the same time. The second blocking modeis appliedin the
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`case wherethe identification modulethat is linked to the deviceis in its place inside the
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`device and the deviceis in a state of availability. The object is to prevent a third party being
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`able to send outgoing calls with this device if it is lost, stolen or left without attendance for
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`sometime. In that case, it is desirable for the user to be able to continueto directly receive
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`20
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`his incomingcalls.
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`In another embodiment the same blocking meansare used as the identification
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`25
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`module whichis placed inside the device either or not linked to the device, for example, the
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`second blocking means.In that case it is possible for receiving incomingcalls intended for
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`the identification module that is inside the device, even whenthis identification module
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`placed inside the device is not linked to the device.
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`nBhs ,
`aa
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`Page 11 of 175
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`Page 11 of 175
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`Page 11 of 175
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`Page 11 of 175
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`PHF 99.624
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`;
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`CLAIMS:
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`6
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`01.12.2000
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`A mobile radiotelephony device intended for accommodating a user
`1.
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`identification module, said device comprising:
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`— connecting meansfor establishinga link between the device and the identification module
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`mounted inside the device,
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`—- blocking meansfor preventing the ndgmal operation ofthe device,
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`— test meansfor activating the blocking means whenthe identification module mounted
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`inside the device is not the onethatis liked to the device,
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`characterized in that it comprises:
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`- timing meansfor activating the blocking means after the device has been inactive for a
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`_ — and deblocking meansfor permitting normal‘operation ofthe device when the
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`identification module placed inside the device js the onethat is linked to the device and
`om > ‘|
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`UV of whenadeblocking code issuppliedby theuser.
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`A device as claimed in claim 1, characterized in that said blocking means
`2,
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`comprise first blocking meansfor preventing the transrhission and reception of calls when the
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`identification module placed inside the device is not the\one that is linked to the device, and
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`second blocking means for preventing the sendingofcalls after a defined period oftime
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`during which the device has been inactive, with the exception of one or various emergency
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`~numbers.
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`:
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`3.
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`A device as claimed in claim 1, characterized ik
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`that it comprises
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`locking/unlocking meansfor locking/unlocking the device, while said blocking means can
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`only be activated when the device is locked, and said link is established while the device is
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`25__being locked.
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`4,
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`A device as claimed in claim 1, characterized in that\said connecting means
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`comprise means for reading and storing a datastored in the identificktion module, and in that
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`Page 12 of 175
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`Page 12 of 175
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`Page 12 of 175
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`Page 12 of 175
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`PHF 99.624
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`01.12.2000
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`said test means comparethis data thus stored with the data stored in the identification module
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`that is placed inside the device.
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`7
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`device whenthe identification module placed inside
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`| !
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`5
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`5.
`A device as claimed in\claim 3, characterized in that said data is formed by the
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`international identification number stofed in the user identification module.
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`claim 1, characterized in that said deblocking codeis
`A device as claimed in
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`formed by the personalidentification number stored in the identification module.
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`10x
`A methodofprotecting amobile radiotelephony device intended for
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`accommodating a user identification module, said method comprising the following steps:
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`ul N - setting up a link between the device and the identification module placed inside the
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`2 fhT
`device,
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` testing to verify whether the identification module placed inside the device is the one that
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`|
`15
`islinkedtothedevice,
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`— blocking the normal operation of the
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`the device is not the one that is linked to the device,
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`characterized in that it comprises the following steps:
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`— detection of a period of inactivity of the\device,
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` — blocking of the normaloperation of the device whensaid period ofinactivity has been
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`detected,
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`- deblocking which permits the normal opetation ofthe device when theidentification
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`miodule placed inside the deviceis the one|that is linked to the device and when a
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`deblocking code has been supplied by the user.
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`8. A methodas claimed in claim 6ofprotecting a mobile radiotelephony device,
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`characterized in that it comprises a step of locking the device, while the blocking steps can
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`only be executed whenthe deviceis locked, and the step of establishing a link between the
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`device andthe identification module placed inside\the device is executed when the device is
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`30~—locked.
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`9.
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`A methodas claimedin claim 6 of protecting a mobile radiotelephony device,
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`characterized in that the step of establishing a link between the device and the identification
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`module placed inside the device comprises a step of reading and storing a data storedin said
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`Page 13 of 175
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`Page 13 of 175
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`Page 13 of 175
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`Page 13 of 175
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`

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`PHF99.624
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`01.12.2000
`8
`1
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`identification module, and in that the test step comprises comparing the data thus stored with
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`the data stored in the identification module thatis placed inside the device.
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`10.
`A computer program compkising means for implementing a method as claimed
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`in claim 7 of protecting a mobile radiotelephony device.
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`c f
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`weu 4
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`Page 14 of 175
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`Page 14 of 175
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`Page 14 of 175
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`Page 14 of 175
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`PHF 99.624
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`
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`ABSTRACT:
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`9
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`01.12.2000
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`The invention proposes a method of protecting a mobile radiotelephony device
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`intended for accommodatinga user identification module to be able to operate. The invention
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`has forits object to protect such a device againsttheft.
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`For this purpose, a device in accordance with the invention comprises means
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`5.
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`for:
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`— preventing the use of the device with an identification module other than the user’s,
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`— asking the user for a deblocking code after a short time that the devi