DE60140519D1 - Kodierung/dekodierungssystem für kohärente signalinterferenzreduktion - Google Patents

Kodierung/dekodierungssystem für kohärente signalinterferenzreduktion

Info

Publication number: DE60140519D1
Authority: DE; Germany
Prior art keywords: coding; signal interference; decoding system; coherent signal; interference reduction
Prior art date: 2000-01-10
Legal status (The legal status 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 status listed.): Expired - Fee Related

Application number

DE60140519T

Other languages

English (en)

Inventor

Robert Evans

Min-Long Lin

Jonathan Schepps

Peter Zalud

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Secom Co Ltd

Sarnoff Corp

Original Assignee

Secom Co Ltd

Sarnoff Corp

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.)

2000-01-10

Filing date

2001-01-10

Publication date

2009-12-31

2001-01-10 Application filed by Secom Co Ltd, Sarnoff Corp filed Critical Secom Co Ltd

2009-12-31 Application granted granted Critical

2009-12-31 Publication of DE60140519D1 publication Critical patent/DE60140519D1/de

2021-01-11 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M5/00—Conversion of the form of the representation of individual digits
- H03M5/02—Conversion to or from representation by pulses
- H03M5/04—Conversion to or from representation by pulses the pulses having two levels
- H03M5/06—Code representation, e.g. transition, for a given bit cell depending only on the information in that bit cell
- H03M5/12—Biphase level code, e.g. split phase code, Manchester code; Biphase space or mark code, e.g. double frequency code
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME 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
- G07C9/00—Individual registration on entry or exit
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/28—Individual registration on entry or exit involving the use of a pass the pass enabling tracking or indicating presence

Landscapes

Engineering & Computer Science (AREA)
Theoretical Computer Science (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Near-Field Transmission Systems (AREA)
Dc Digital Transmission (AREA)
Detection And Prevention Of Errors In Transmission (AREA)
Synchronisation In Digital Transmission Systems (AREA)
Credit Cards Or The Like (AREA)

DE60140519T 2000-01-10 2001-01-10 Kodierung/dekodierungssystem für kohärente signalinterferenzreduktion Expired - Fee Related DE60140519D1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US09/480,776 US6452980B1 (en)	2000-01-10	2000-01-10	Encoding/decoding system for coherent signal interference reduction
PCT/US2001/000718 WO2001052213A1 (en)	2000-01-10	2001-01-10	Encoding/decoding system for coherent signal interference reduction

Publications (1)

Publication Number	Publication Date
DE60140519D1 true DE60140519D1 (de)	2009-12-31

Family

ID=23909312

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE60140519T Expired - Fee Related DE60140519D1 (de)	2000-01-10	2001-01-10	Kodierung/dekodierungssystem für kohärente signalinterferenzreduktion

Country Status (10)

Country	Link
US (1)	US6452980B1 (de)
EP (1)	EP1261952B1 (de)
JP (1)	JP4108978B2 (de)
KR (1)	KR100689048B1 (de)
CN (1)	CN1225718C (de)
CA (1)	CA2397107C (de)
DE (1)	DE60140519D1 (de)
MY (1)	MY118061A (de)
TW (1)	TW525105B (de)
WO (1)	WO2001052213A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2003198645A (ja) *	2001-12-27	2003-07-11	Sharp Corp	送信装置及びこれを用いた通信システム
US7386276B2 (en) *	2002-08-27	2008-06-10	Sama Robert J	Wireless information retrieval and content dissemination system and method
US7206577B2 (en) *	2003-05-06	2007-04-17	Nokia Corporation	Method and apparatus for receiving site selection diversity transmit (SSDT) signal in a wideband code division multiple access (WCDMA) system
US7612652B2 (en) *	2003-12-09	2009-11-03	Intelleflex Corporation	Battery activation circuit
JP2006279868A (ja) *	2005-03-30	2006-10-12	Sharp Corp	半導体装置、および、それを備えるｉｃカード
US7604178B2 (en) *	2005-05-11	2009-10-20	Intelleflex Corporation	Smart tag activation
US8248211B2 (en) *	2005-07-20	2012-08-21	Intelleflex Corporation	Selective RF device activation
US8548098B2 (en)	2005-12-15	2013-10-01	Intelleflex Corporation	Clock-free activation circuit
US7779289B2 (en) *	2006-02-15	2010-08-17	Stmicroelectronics S.A.	Methods and data processing systems for sharing a clock between non-secured and secured tasks
US7649441B2 (en) *	2006-11-08	2010-01-19	Ncr Corporation	Method and system for tuning an RFID interrogator
US8120469B2 (en) *	2006-11-08	2012-02-21	Ncr Corporation	Method and system for tuning an RFID interrogator
US20090237219A1 (en) *	2008-03-21	2009-09-24	Berlin Bradley M	Security apparatus, system and method of using same
US8199047B2 (en)	2010-03-09	2012-06-12	Ensco, Inc.	High-precision radio frequency ranging system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS60171475A (ja)	1984-02-15	1985-09-04	アイデンティフィケ−ション・デバイセス・インコ−ポレ−テッド	識別システム
US5211129A (en)	1986-02-25	1993-05-18	Destron/Idi, Inc.	Syringe-implantable identification transponder
IT1213530B (it)	1986-11-05	1989-12-20	Audemars R S A	Sistema di identificazione.
US4906853A (en)	1988-03-17	1990-03-06	United Manufacturing Co., Inc.	Apparatus and method for varying the timing of a control signal
US5245346A (en) *	1989-12-28	1993-09-14	Kabushiki Kaisha Toyota Chuo Kenyusho	Interrogator/transponder system and mobile transponder device
US5491482A (en)	1992-12-29	1996-02-13	David Sarnoff Research Center, Inc.	Electronic system and method for remote identification of coded articles and the like
US5883592A (en) *	1997-12-10	1999-03-16	Sarnoff Corporation Secom	Method and apparatus for remotely identifying an electronically coded article
US6081222A (en) *	1998-05-26	2000-06-27	Northrop Grumman Corporation	Joint surveillance target attack system combat transponder

2000
- 2000-01-10 US US09/480,776 patent/US6452980B1/en not_active Expired - Lifetime
2001
- 2001-01-09 TW TW090100433A patent/TW525105B/zh not_active IP Right Cessation
- 2001-01-09 MY MYPI20010070A patent/MY118061A/en unknown
- 2001-01-10 KR KR1020027008877A patent/KR100689048B1/ko not_active Expired - Fee Related
- 2001-01-10 EP EP01901917A patent/EP1261952B1/de not_active Expired - Lifetime
- 2001-01-10 JP JP2001552361A patent/JP4108978B2/ja not_active Expired - Fee Related
- 2001-01-10 CN CNB018036139A patent/CN1225718C/zh not_active Expired - Fee Related
- 2001-01-10 CA CA2397107A patent/CA2397107C/en not_active Expired - Fee Related
- 2001-01-10 WO PCT/US2001/000718 patent/WO2001052213A1/en not_active Ceased
- 2001-01-10 DE DE60140519T patent/DE60140519D1/de not_active Expired - Fee Related

Also Published As

Publication number	Publication date
WO2001052213A1 (en)	2001-07-19
MY118061A (en)	2004-08-30
EP1261952B1 (de)	2009-11-18
KR20020075885A (ko)	2002-10-07
CA2397107A1 (en)	2001-07-19
EP1261952A1 (de)	2002-12-04
KR100689048B1 (ko)	2007-03-02
CN1395717A (zh)	2003-02-05
JP2003520468A (ja)	2003-07-02
TW525105B (en)	2003-03-21
CA2397107C (en)	2010-04-27
JP4108978B2 (ja)	2008-06-25
CN1225718C (zh)	2005-11-02
US6452980B1 (en)	2002-09-17

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Legal Events

Date	Code	Title	Description
2010-11-18	8339	Ceased/non-payment of the annual fee