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公开(公告)号:JP2000332647A
公开(公告)日:2000-11-30
申请号:JP2000104892
申请日:2000-04-06
Applicant: ST MICROELECTRONICS SA
Inventor: WUIDART LUC , BARDOUILLET MICHEL , ENGUENT JEAN-PIERRE
Abstract: PROBLEM TO BE SOLVED: To provide a method for duplex transmission between a terminal and a transponder in an electromagnetic transponder system. SOLUTION: Each of the terminal 40 and the transponder 10 is provided with an oscillation circuit 24, a modulation means and a demodulation means, the amplitude modulation transmission of a signal to be transmitted from the terminal 40 to the transponder 10 and the transmission of a signal from the transponder 10 to the terminal 40 and suited so as to follow the phase demodulation of the terminal 40 are simultaneously executed and an amplitude modulation rate is
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12.
公开(公告)号:WO0215116A8
公开(公告)日:2002-07-11
申请号:PCT/FR0102621
申请日:2001-08-16
Applicant: ST MICROELECTRONICS SA , WUIDART LUC , BARDOUILLET MICHEL
Inventor: WUIDART LUC , BARDOUILLET MICHEL
IPC: G06K19/07 , G06K7/00 , G06K7/08 , G06K7/10 , G06K17/00 , H01Q1/24 , H01Q7/00 , H04B1/59 , H04B5/02
CPC classification number: G06K7/10346 , G06K7/0008 , G06K7/10178 , G06K7/10336
Abstract: The invention concerns an antenna generating an electromagnetic field for an electromagnetic transponder, and a terminal provided with such an antenna, comprising a first inductive element (Lp) designed to be connected to two terminals (3, 4) applying an energizing voltage (Vg), and a parallel resonant circuit (21) coupled with the first inductive element.
Abstract translation: 本发明涉及一种为电磁发射应答器产生电磁场的天线以及一种设置有这种天线的终端,该终端包括被设计为连接到施加激励电压(Vg)的两个端子(3,4)的第一电感元件(Lp) 以及与第一电感元件耦合的并联谐振电路(21)。
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公开(公告)号:DE60041298D1
公开(公告)日:2009-02-26
申请号:DE60041298
申请日:2000-04-06
Applicant: ST MICROELECTRONICS SA
Inventor: WUIDART LUC , BARDOUILLET MICHEL , ENGUENT JEAN-PIERRE
Abstract: A terminal (40) and a transponder (10) contain a corresponding oscillating circuit (Li,Ci,24,L2,C2). An AM transmission of a signal sends a boundary-mark toward the transponder a signal (Rx) undergo a phase demodulation in the boundary-mark. The depth o modulation (tm) of the amplitude is lower than 100%. An Independent claim is included for: (a) a terminal for performing a claimed method (b) a transponder
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公开(公告)号:DE60040111D1
公开(公告)日:2008-10-16
申请号:DE60040111
申请日:2000-04-06
Applicant: ST MICROELECTRONICS SA
Inventor: WUIDART LUC , BARDOUILLET MICHEL , ENGUENT JEAN-PIERRE
Abstract: The transponder includes capacitor-transistor pairs (C3,K1,C4,K2) that produce an information when the transponder is close reading-writing terminal. The oscillating circuit of the transponder has a given frequency. The transmission of the information this position does not match since the frequency is higher than that of the oscillating circuit. An Independent claim is included for: (a) a system of data transmission
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公开(公告)号:DE60317312D1
公开(公告)日:2007-12-20
申请号:DE60317312
申请日:2003-02-11
Applicant: ST MICROELECTRONICS SA
Inventor: BARDOUILLET MICHEL , RIZZO PIERRE , MALHERBE ALEXANDRE , WUIDART LUC
Abstract: An integrated cell and method for extracting a binary value based on a value difference between two resistors values, including connection circuitry for a binary reading of the sign of the difference between the resistors, and connection circuitry for a modification of the value of one of the resistors to make the sign of the difference invariable.
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公开(公告)号:DE69835328T2
公开(公告)日:2007-08-23
申请号:DE69835328
申请日:1998-11-20
Applicant: ST MICROELECTRONICS SA
Inventor: WUIDART LUC , BARDOUILLET MICHEL
IPC: H05B41/28 , H02M5/293 , H05B41/18 , H05B41/392
Abstract: The fluorescent lamp (T) has a bridge rectifier (10) for the incoming low frequency mains supply. The rectifier output (11, 12) is bridged by a switch (M) driven at high frequency to provide a chopped current. Inductors (40, 41) are connected in series in two arms of the bridge and are connected by a switch (36, 37, 38) to form an energy recovery circuit.
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公开(公告)号:FR2837621A1
公开(公告)日:2003-09-26
申请号:FR0203619
申请日:2002-03-22
Applicant: ST MICROELECTRONICS SA
Inventor: WUIDART LUC , BOUTON GUILHEM , BARDOUILLET MICHEL
IPC: H01L23/544 , H01L23/58 , H01L27/02 , H01L27/112
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公开(公告)号:FR2836752A1
公开(公告)日:2003-09-05
申请号:FR0213557
申请日:2002-10-29
Applicant: ST MICROELECTRONICS SA
Inventor: BARDOUILLET MICHEL , RIZZO PIERRE , MALHERBE ALEXANDRE , WUIDART LUC
IPC: G06F21/06 , G11C16/22 , G11C17/14 , H01L27/10 , G11C17/08 , G11C17/18 , H01L27/115 , H01L21/326
Abstract: The invention relates to a memory cell with a binary value consisting of two parallel branches. Each of said branches comprises: at least one polycrystalline silicon programming resistor (Rp 1 , Rp 2 ), which is connected between a first supply terminal ( 1 ) and a point or terminal for the differential reading ( 4, 6 ) of the memory cell state; and at least one first switch (MNP 1 , MNP 2 ) which, during programming, connects one of said read terminals to a second supply terminal ( 2 ).
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公开(公告)号:FR2823341B1
公开(公告)日:2003-07-25
申请号:FR0104585
申请日:2001-04-04
Applicant: ST MICROELECTRONICS SA
Inventor: BARDOUILLET MICHEL , WUIDART LUC
IPC: G01R31/28 , G11C5/00 , G11C8/20 , H01L21/822 , H01L27/04 , H03K5/15 , H03K5/19 , G06K19/073
Abstract: The invention concerns an identification method and circuit ( 1 ) of the network type of parameters contained in an integrated circuit chip, comprising a single input terminal ( 2 ) for applying a signal (E) triggering an identification, the output terminals ( 3 1 , 3 2 , 3 i-1 , 3 i , 3 n-1 , 3 n ) adapted to deliver a binary identifying code (B 1 , B 2 , B i-1 , B i , B n-1 , B n ), first electrical paths P 1 , P 2 , P i , P n ), individually connecting said input terminal to each output terminal, and means ( 4, 5 1 , 5 2 , 5 i , 5 n ) for simultaneously integrating the binary states present in output of the electrical paths, each path inputting a delay sensitive to technological dispersions and/or of the integrated circuit fabrication method.
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公开(公告)号:FR2833119A1
公开(公告)日:2003-06-06
申请号:FR0115529
申请日:2001-11-30
Applicant: ST MICROELECTRONICS SA
Inventor: WUIDART LUC , BARDOUILLET MICHEL , PLAZA LAURENT
Abstract: A digital identifier specific to integrated circuit chip is extracted from a physical parameter network (PPN) linked to integrated circuit chip manufacturing. The extracted identifier is submitted to several linear retroaction shift registers (20'), in order to output corresponding secret or encryption key. An Independent claim is also included for circuit for generating secret or encryption key.
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