ATE368913T1 - Verfahren und vorrichtung zum datentransfer - Google Patents

Verfahren und vorrichtung zum datentransfer

Info

Publication number
ATE368913T1
ATE368913T1 AT01271609T AT01271609T ATE368913T1 AT E368913 T1 ATE368913 T1 AT E368913T1 AT 01271609 T AT01271609 T AT 01271609T AT 01271609 T AT01271609 T AT 01271609T AT E368913 T1 ATE368913 T1 AT E368913T1
Authority
AT
Austria
Prior art keywords
receiver
transmission word
transmitter
data transfer
information
Prior art date
Application number
AT01271609T
Other languages
English (en)
Inventor
Frederick Bruwer
Original Assignee
Azoteq Pty Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Azoteq Pty Ltd filed Critical Azoteq Pty Ltd
Application granted granted Critical
Publication of ATE368913T1 publication Critical patent/ATE368913T1/de

Links

Classifications

    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual registration on entry or exit
    • G07C9/20Individual registration on entry or exit involving the use of a pass
    • G07C9/215Individual registration on entry or exit involving the use of a pass the system having a variable access-code, e.g. varied as a function of time
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual registration on entry or exit
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00182Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
    • G07C2009/0023Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks with encription of the transmittted data signal
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual registration on entry or exit
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00182Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
    • G07C2009/00238Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the transmittted data signal containing a code which is changed
    • G07C2009/00253Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the transmittted data signal containing a code which is changed dynamically, e.g. variable code - rolling code
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual registration on entry or exit
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • G07C2009/00555Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks comprising means to detect or avoid relay attacks
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual registration on entry or exit
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C2009/00753Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
    • G07C2009/00761Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by connected means, e.g. mechanical contacts, plugs, connectors
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual registration on entry or exit
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C2009/00753Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
    • G07C2009/00769Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
    • G07C2009/00785Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means by light
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual registration on entry or exit
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C2009/00753Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
    • G07C2009/00769Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
    • G07C2009/00793Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means by Hertzian waves
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual registration on entry or exit
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00817Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys where the code of the lock can be programmed
    • G07C2009/00849Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys where the code of the lock can be programmed programming by learning
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C2209/00Indexing scheme relating to groups G07C9/00 - G07C9/38
    • G07C2209/08With time considerations, e.g. temporary activation, valid time window or time limitations

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)
  • Communication Control (AREA)
  • Lock And Its Accessories (AREA)
AT01271609T 2000-12-19 2001-11-29 Verfahren und vorrichtung zum datentransfer ATE368913T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA200007616 2000-12-19

Publications (1)

Publication Number Publication Date
ATE368913T1 true ATE368913T1 (de) 2007-08-15

Family

ID=25589024

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01271609T ATE368913T1 (de) 2000-12-19 2001-11-29 Verfahren und vorrichtung zum datentransfer

Country Status (6)

Country Link
US (1) US7529939B2 (de)
EP (1) EP1354300B1 (de)
AT (1) ATE368913T1 (de)
AU (1) AU2002220286A1 (de)
DE (1) DE60129742T2 (de)
WO (1) WO2002050782A2 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7050947B2 (en) * 2002-01-04 2006-05-23 Siemens Vdo Automotive Corporation Remote control communication including secure synchronization
US7174017B2 (en) * 2002-03-04 2007-02-06 Lenovo Singapore Pte, Ltd Decryption system for encrypted audio
US20050127172A1 (en) * 2003-06-16 2005-06-16 Merkert Robert J.Sr. Access system
DE20309254U1 (de) * 2003-06-16 2003-11-06 Scm Microsystems Gmbh Zugangssystem
KR20050017350A (ko) * 2003-08-13 2005-02-22 삼성전자주식회사 입력 장치가 없는 시스템에서의 암호키 생성 방법 및 이에적합한 장치
EP1680768A1 (de) * 2003-10-16 2006-07-19 SCM Microsystems, Inc. Zugangsregelsystem
JP4666943B2 (ja) * 2004-04-23 2011-04-06 株式会社エヌ・ティ・ティ・ドコモ Idタグ、タグリーダ、idタグセキュリティシステム及びidタグ送信復元方法
US20100195538A1 (en) * 2009-02-04 2010-08-05 Merkey Jeffrey V Method and apparatus for network packet capture distributed storage system
CA2619141C (en) * 2004-12-23 2014-10-21 Solera Networks, Inc. Method and apparatus for network packet capture distributed storage system
GB0525623D0 (en) 2005-12-16 2006-01-25 Hill Nicholas P R RFID reader
US7565261B2 (en) * 2006-09-29 2009-07-21 Hewlett-Packard Development Company, L.P. Generating an alert to indicate stale data
GB0709575D0 (en) 2007-05-18 2007-06-27 Cambridge Resonant Technologie RFIC Iterrogator
US8701210B2 (en) * 2007-10-02 2014-04-15 Computime, Ltd. Adjustable feature access for a controlled environmental system
GB0800819D0 (en) 2008-01-17 2008-02-27 Cambridge Resonant Technologie Improved rfid pet door
WO2009123620A1 (en) * 2008-04-01 2009-10-08 Micro Motion, Inc. A method, computer program product, and system for preventing inadvertent configuration of electronic devices provided with infrared data association interfaces
US8625642B2 (en) 2008-05-23 2014-01-07 Solera Networks, Inc. Method and apparatus of network artifact indentification and extraction
US8521732B2 (en) 2008-05-23 2013-08-27 Solera Networks, Inc. Presentation of an extracted artifact based on an indexing technique
US8849991B2 (en) 2010-12-15 2014-09-30 Blue Coat Systems, Inc. System and method for hypertext transfer protocol layered reconstruction
EP2500872A1 (de) * 2011-03-08 2012-09-19 Openways Sas Gesichertes Steuerungsverfahren zur Öffnung von Schließvorrichtungen mit Hilfe eines kommunizierenden Objekts vom Typ Handy
US8666985B2 (en) 2011-03-16 2014-03-04 Solera Networks, Inc. Hardware accelerated application-based pattern matching for real time classification and recording of network traffic
US9231926B2 (en) * 2011-09-08 2016-01-05 Lexmark International, Inc. System and method for secured host-slave communication
US20130077641A1 (en) * 2011-09-22 2013-03-28 Harley F. Burger, Jr. Systems, Circuits and Methods for Time Stamp Based One-Way Communications
US9959690B2 (en) * 2016-06-22 2018-05-01 Ford Global Technologies, Llc Expanding time window for remote commands
WO2019028039A1 (en) 2017-08-01 2019-02-07 The Chamberlain Group, Inc. SYSTEM FOR FACILITATING ACCESS TO A SECURE AREA
US11055942B2 (en) 2017-08-01 2021-07-06 The Chamberlain Group, Inc. System and method for facilitating access to a secured area

Family Cites Families (76)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3906348A (en) 1973-08-20 1975-09-16 Chamberlain Mfg Corp Digital radio control
GB2023899B (en) 1978-06-14 1982-10-27 Hitachi Ltd Remote-controlled automatic control apparatus
US4426637A (en) 1979-02-26 1984-01-17 Multi-Elmac Company Combination encoder-decoder integrated circuit device
US4380762A (en) 1980-01-31 1983-04-19 Gaetano Capasso Polyfunction programmable data receiver
US4535333A (en) 1982-09-23 1985-08-13 Chamberlain Manufacturing Corporation Transmitter and receiver for controlling remote elements
US4529980A (en) 1982-09-23 1985-07-16 Chamberlain Manufacturing Corporation Transmitter and receiver for controlling the coding in a transmitter and receiver
DE3237622A1 (de) 1982-10-11 1984-04-12 Bayerische Motoren Werke AG, 8000 München Sicherheitseinrichtung
DE3244049C2 (de) 1982-11-27 1986-06-26 Kiekert GmbH & Co KG, 5628 Heiligenhaus Zentralverriegelungsanlage für ein Kraftfahrzeug
JPS59185801U (ja) 1983-05-26 1984-12-10 アルプス電気株式会社 チツプ抵抗
US4590470A (en) 1983-07-11 1986-05-20 At&T Bell Laboratories User authentication system employing encryption functions
US4931789A (en) 1983-11-01 1990-06-05 Universal Photonix, Inc. Apparatus and method for a universal electronic locking system
US4686529A (en) 1984-01-06 1987-08-11 Kiekert Gmbh & Co. Kommanditgesellschaft Remote-control lock system
US4928098A (en) 1984-03-30 1990-05-22 Siemens Aktiengesellschaft Method for code protection using an electronic key
US4574247A (en) 1984-05-21 1986-03-04 Multi-Elmac Company FM Signal demodulator
US4638433A (en) 1984-05-30 1987-01-20 Chamberlain Manufacturing Corporation Microprocessor controlled garage door operator
US4750118A (en) 1985-10-29 1988-06-07 Chamberlain Manufacturing Corporation Coding system for multiple transmitters and a single receiver for a garage door opener
EP0215291B1 (de) 1985-09-10 1991-02-27 Hülsbeck & Fürst GmbH. & Co. KG Elektronische Schliesseinrichtung für Kraftfahrzeuge
US4737770A (en) 1986-03-10 1988-04-12 Interactive Technologies, Inc. Security system with programmable sensor and user data input transmitters
FR2597538B1 (fr) 1986-04-22 1995-03-31 Soum Rene Ensemble cle-serrure de securite a telecommande dans lequel la cle n'a qu'une fonction d'emission et la serrure de reception
EP0255026A3 (de) * 1986-07-23 1988-10-19 Takeda Chemical Industries, Ltd. Automatisches Analyseverfahren und Vorrichtung zur Untersuchung enzymatischer Reaktionen
US4779090A (en) 1986-08-06 1988-10-18 Micznik Isaiah B Electronic security system with two-way communication between lock and key
JPH0747910B2 (ja) 1986-10-24 1995-05-24 日産自動車株式会社 リモ−トコントロ−ルドアロツク装置
DE3636822C2 (de) 1986-10-29 1993-12-23 Ruf Kg Wilhelm Elektronische Fernbetätigungseinrichtung, insbesondere für Zentralverriegelungsanlagen von Kraftfahrzeugen
ES2046222T3 (es) 1987-03-04 1994-02-01 Siemens Nixdorf Informationssysteme Ag Sistema de intercambio de datos con varios terminales de usuario que contienen, respectivamente, una instalacion de lectura de tarjetas de chips.
US4881148A (en) 1987-05-21 1989-11-14 Wickes Manufacturing Company Remote control system for door locks
JP2767816B2 (ja) 1987-10-07 1998-06-18 セイコーエプソン株式会社 リモコン送信・受信装置
DE3741324A1 (de) 1987-12-05 1989-06-15 Alltronik Gmbh Handsender zur aussendung codierter elektromagnetischer impulse und darauf abgestimmter empfaenger
US4951029A (en) 1988-02-16 1990-08-21 Interactive Technologies, Inc. Micro-programmable security system
US4864615A (en) 1988-05-27 1989-09-05 General Instrument Corporation Reproduction of secure keys by using distributed key generation data
US4912463A (en) 1988-08-09 1990-03-27 Princeton Technology Corporation Remote control apparatus
JPH0732499B2 (ja) 1988-08-16 1995-04-10 日産自動車株式会社 施解錠制御システム
US4890108A (en) 1988-09-09 1989-12-26 Clifford Electronics, Inc. Multi-channel remote control transmitter
US4855713A (en) 1988-10-07 1989-08-08 Interactive Technologies, Inc. Learn mode transmitter
US5049867A (en) 1988-11-30 1991-09-17 Code-Alarm, Inc. Vehicle security apparatus
IT1227401B (it) 1988-12-06 1991-04-08 Delta Elettronica Spa Dispositivi per la trasmissione a distanza di comandi in sicurezza
US5148159A (en) 1989-04-26 1992-09-15 Stanley Electronics Remote control system with teach/learn setting of identification code
EP0472528B1 (de) 1989-05-18 1994-02-09 Siemens Aktiengesellschaft Sender-empfänger-system
US4988992A (en) 1989-07-27 1991-01-29 The Chamberlain Group, Inc. System for establishing a code and controlling operation of equipment
US5155729A (en) * 1990-05-02 1992-10-13 Rolm Systems Fault recovery in systems utilizing redundant processor arrangements
ZA914063B (en) 1990-05-29 1993-03-31 Nanoteq Pty Limited Microchips and remote control device comprising same
ES2085425T3 (es) 1990-05-29 1996-06-01 Microchip Tech Inc Metodo y aparato para uso en un sistema de control de acceso.
US5224163A (en) 1990-09-28 1993-06-29 Digital Equipment Corporation Method for delegating authorization from one entity to another through the use of session encryption keys
US5144667A (en) 1990-12-20 1992-09-01 Delco Electronics Corporation Method of secure remote access
US5446904A (en) * 1991-05-17 1995-08-29 Zenith Data Systems Corporation Suspend/resume capability for a protected mode microprocessor
US5686904A (en) * 1991-05-29 1997-11-11 Microchip Technology Incorporated Secure self learning system
IT1249903B (it) * 1991-06-07 1995-03-30 Trw Sipea Spa Telecomando a sicurezza ottimizzata
DE4141766A1 (de) * 1991-12-18 1993-06-24 Skultety Ivan Verfahren zur sicherung einer elektronischen datenuebertragung
US5191610A (en) 1992-02-28 1993-03-02 United Technologies Automotive, Inc. Remote operating system having secure communication of encoded messages and automatic re-synchronization
US5278902A (en) * 1992-12-30 1994-01-11 Intel Corporation Method and apparatus for transition direction coding
US5351293A (en) * 1993-02-01 1994-09-27 Wave Systems Corp. System method and apparatus for authenticating an encrypted signal
US5444780A (en) * 1993-07-22 1995-08-22 International Business Machines Corporation Client/server based secure timekeeping system
DE4428947C1 (de) 1994-08-16 1996-04-04 Kiekert Ag Schließvorrichtung für ein Kraftfahrzeug mit einer Fernbetätigungseinrichtung sowie mit einem Transponder
US5832035A (en) * 1994-09-20 1998-11-03 Time Domain Corporation Fast locking mechanism for channelized ultrawide-band communications
US5654688A (en) * 1995-04-14 1997-08-05 Omega Research And Development, Inc. Vehicle security system having enhanced remote transmitter security
BR9606663A (pt) * 1995-05-17 1997-09-16 Chamberlain Group Inc Transmissor para enviar um sinal criptografado para controlar um atuador receptor para receber um sinal criptografado de um transmissor e para gerar um sinal de atuação e receptor para receber um sinal de frequência de rádio criptografado de um transmissor e para gerar um sinal de atuação
NO951965L (no) * 1995-05-18 1996-11-19 Defa Group As Sender-mottaker-system
AU5736996A (en) 1995-05-23 1996-12-11 Seiko Communications Systems, Inc. Record identification technique
US6191701B1 (en) 1995-08-25 2001-02-20 Microchip Technology Incorporated Secure self learning system
JPH09170365A (ja) * 1995-09-08 1997-06-30 Kiekert Gmbh & Co Kg 遠隔操作装置並びにトランスポンダを具備した自動車用の施錠装置の操作方法
JPH09142257A (ja) * 1995-11-22 1997-06-03 Tokai Rika Co Ltd 送受信システム
US6373951B1 (en) * 1996-02-28 2002-04-16 Telex Communications, Inc. Synchronization technique and method and apparatus for transmitting and receiving coded signals
JP3442228B2 (ja) * 1996-08-29 2003-09-02 松下電器産業株式会社 同期保持装置
EP0836282B1 (de) * 1996-10-08 2002-06-12 Sony Corporation Empfangsvorrichtung und -verfahren und Phasenregelkreis
US6028527A (en) * 1996-11-25 2000-02-22 Texas Instruments Incorporated Decryption and encryption transmitter/receiver with self-test, learn and rolling code
US5978483A (en) * 1997-04-07 1999-11-02 Inkel Corporation Securely encrypted remote keyless entry system
JPH11249964A (ja) * 1998-03-03 1999-09-17 Fujitsu Ltd 時計装置及びコンピュータ装置
US6484260B1 (en) * 1998-04-24 2002-11-19 Identix, Inc. Personal identification system
DE19941428B4 (de) * 1998-09-02 2015-09-10 Marquardt Gmbh Schließsystem, insbesondere für ein Kraftfahrzeug
KR100359782B1 (ko) * 2000-11-27 2002-11-04 주식회사 하이닉스반도체 엠펙 디코더의 시스템 타임 클럭 조정 장치 및 방법
JP3904432B2 (ja) * 2001-11-16 2007-04-11 株式会社ルネサステクノロジ 情報処理装置
US20050135612A1 (en) * 2003-12-19 2005-06-23 Evans Alan F. Secure digital communication
SE0400998D0 (sv) * 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
US7831421B2 (en) * 2005-05-31 2010-11-09 Microsoft Corporation Robust decoder
WO2007005114A1 (en) * 2005-06-30 2007-01-11 Radioshack Corporation Apparatus for synchronization of digital multimedia data communicated over wired media
US9544638B2 (en) * 2006-04-17 2017-01-10 Broadcom Corporation Method for reconstructing system time clock (STC) without carrying PCR
JP5244320B2 (ja) * 2007-01-16 2013-07-24 株式会社東芝 クロック生成装置及び方法

Also Published As

Publication number Publication date
DE60129742T2 (de) 2008-04-30
WO2002050782A2 (en) 2002-06-27
EP1354300A2 (de) 2003-10-22
DE60129742D1 (de) 2007-09-13
WO2002050782A3 (en) 2003-01-30
EP1354300B1 (de) 2007-08-01
US7529939B2 (en) 2009-05-05
US20020110242A1 (en) 2002-08-15
AU2002220286A1 (en) 2002-07-01

Similar Documents

Publication Publication Date Title
ATE368913T1 (de) Verfahren und vorrichtung zum datentransfer
EP1424804A3 (de) Aktualisierung eines symmetrischen Schlüssels in einem Kryptokommunikationssystem
EP1134670A4 (de) Informationsübertragungssystem, sender, übertragungsverfahren, sowie inform ationsempfangssystem, empfänger und empfangsverfahren
WO2002047356A3 (en) Method of secure transmission of digital data from a source to a receiver
GB0306184D0 (en) Transmission of data with forward error correction information
DE60320769D1 (de) Verfahren und vorrichtung zur interferenzverminderung mit einer äusseren schleifesleistungsregelung
WO2007050842A3 (en) A method and apparatus for transmitting and receiving a sectorinformation group information in wireless communication systems
ATE414364T1 (de) Übertragungsvorrichtung zur reduzierung der varianz von verzögerungen und zugehöriges verfahren
SG155203A1 (en) Method for determining a residual frequency offset, communication system, method for transmitting a message, transmitter, method for processing a message and receiver
SG140588A1 (en) Wireless communication system, wireless communication device and wireless communication method, and computer program
WO2002019569A1 (fr) Dispositif de transmission de donnees, systeme et technique de communications radio
HK1051756A1 (en) Method and apparatus for efficient data transmission in a voice-over-data communication system
EP1180696A3 (de) System und Verfahren zur Lokalisierung von Mobilgeräten
GB2384957B (en) Method for scrambling packet data using variable slot length and apparatus thereof
EP1094634A3 (de) Automatische Neusynchronisation einer Geiheimsynchronisationsinformation
EP1536589A3 (de) Sendegerät zur Steuerung der Datenübertragung
DE60101843D1 (de) Verfahren zur gesicherten datenübertragung
DE60211673D1 (de) Verfahren und vorrichtung zur galvanisch getrennten übertragung von gigabitdaten mit einem schleifringübertrager
WO2002045340A3 (en) Threshold cryptography scheme for message authentication systems
AU2003240784A1 (en) Wireless communication system, apparatus and method
ATE394874T1 (de) Vorrichtung und verfahren zur verschlüsselter datenübertragung mit verschlüsseltem schlüssel
EP1578077A4 (de) Datenübertragungssystem und datenübertragungseinrichtung
EP1679922A4 (de) Funkeinheit
WO2003030393A3 (de) Verfahren und übertragungseinrichtung zum erkennen des sendezustandes von an energieversorgungsleitungen angeschlossenen übertragungseinrichtungen
HK1055520A1 (en) Packet transmitter unit, packet receiver unit and packet transmission system

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties