HK1022216A1 - Modulation compensated clamp circuit - Google Patents

Modulation compensated clamp circuit

Info

Publication number
HK1022216A1
HK1022216A1 HK00101101A HK00101101A HK1022216A1 HK 1022216 A1 HK1022216 A1 HK 1022216A1 HK 00101101 A HK00101101 A HK 00101101A HK 00101101 A HK00101101 A HK 00101101A HK 1022216 A1 HK1022216 A1 HK 1022216A1
Authority
HK
Hong Kong
Prior art keywords
clamp circuit
modulation compensated
compensated clamp
modulation
circuit
Prior art date
Application number
HK00101101A
Other languages
English (en)
Inventor
Alan M Dawes
Original Assignee
Atmel 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.)
Filing date
Publication date
Application filed by Atmel Corp filed Critical Atmel Corp
Publication of HK1022216A1 publication Critical patent/HK1022216A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/0701—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors
    • G01S13/751—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal
    • G01S13/758—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal using a signal generator powered by the interrogation signal
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Theoretical Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Near-Field Transmission Systems (AREA)
HK00101101A 1997-10-06 2000-02-24 Modulation compensated clamp circuit HK1022216A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/944,321 US5815355A (en) 1997-10-06 1997-10-06 Modulation compensated clamp circuit
PCT/US1998/017404 WO1999018646A1 (en) 1997-10-06 1998-08-21 Modulation compensated clamp circuit

Publications (1)

Publication Number Publication Date
HK1022216A1 true HK1022216A1 (en) 2000-07-28

Family

ID=25481192

Family Applications (1)

Application Number Title Priority Date Filing Date
HK00101101A HK1022216A1 (en) 1997-10-06 2000-02-24 Modulation compensated clamp circuit

Country Status (12)

Country Link
US (1) US5815355A (no)
EP (1) EP0943171B1 (no)
JP (1) JP4356846B2 (no)
KR (1) KR20000069277A (no)
CN (1) CN1123953C (no)
CA (1) CA2272619A1 (no)
DE (1) DE69836260T2 (no)
HK (1) HK1022216A1 (no)
MY (1) MY114076A (no)
NO (1) NO992702L (no)
TW (1) TW405288B (no)
WO (1) WO1999018646A1 (no)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5945920A (en) * 1997-12-10 1999-08-31 Atmel Corporation Minimum voltage radio frequency indentification
US6317027B1 (en) 1999-01-12 2001-11-13 Randy Watkins Auto-tunning scanning proximity reader
US6400272B1 (en) * 1999-04-01 2002-06-04 Presto Technologies, Inc. Wireless transceiver for communicating with tags
US6659352B1 (en) 1999-06-02 2003-12-09 Matsushita Electric Industrial Co., Ltd. Semiconductor integrated circuit, a contactless information medium having the semiconductor integrated circuit, and a method of driving the semiconductor integrated circuit
US6714121B1 (en) * 1999-08-09 2004-03-30 Micron Technology, Inc. RFID material tracking method and apparatus
US6603400B1 (en) 2000-05-04 2003-08-05 Telxon Corporation Paper capacitor
FR2808634A1 (fr) 2000-05-05 2001-11-09 St Microelectronics Sa Amelioration de la capacite de demodulation d'un transpondeur electromagnetique
US6229443B1 (en) * 2000-06-23 2001-05-08 Single Chip Systems Apparatus and method for detuning of RFID tag to regulate voltage
US6698119B2 (en) 2001-01-11 2004-03-02 Farnam Companies, Inc. Decorated ear tags for domestic animals and method of making same
EP2287778B1 (en) * 2001-02-12 2015-04-22 Symbol Technologies, Inc. Data symbol calibration in RFID tags
EP1672563B1 (fr) * 2004-12-16 2007-10-10 EM Microelectronic-Marin SA Transpondeur à très haute fréquence, notamment UHF, comprenant une protection contre les décharges électrostatiques
GB0501115D0 (en) * 2005-01-19 2005-02-23 Innovision Res & Tech Plc Combined power coupling and rf communication apparatus
FR2886746B1 (fr) * 2005-06-06 2007-08-10 Atmel Corp Regulation du niveau de tension de sortie
JP2007155554A (ja) * 2005-12-06 2007-06-21 Fujitsu Ltd Ｒｆｉｄタグの位置を検出する位置検出装置
KR20080080188A (ko) * 2005-12-15 2008-09-02 엔엑스피 비 브이 무선 주파수 인터페이스 회로, 주파수 식별 태그 및 집적회로
EP2139109B1 (de) * 2006-02-15 2011-01-12 Atmel Automotive GmbH Verfahren zur Spannungsbegrenzung bei einem Transponder
TWI315493B (en) * 2006-08-03 2009-10-01 Holtek Semiconductor Inc Transponder for rfid
JP5325415B2 (ja) * 2006-12-18 2013-10-23 株式会社半導体エネルギー研究所 半導体装置
DE102007004843A1 (de) * 2007-01-31 2008-08-07 Infineon Technologies Ag Konzept zum Bereitstellen einer Versorgungsspannung und einer Lastmodulation in einem Transponder
KR20110063668A (ko) * 2008-09-30 2011-06-13 가부시키가이샤 한도오따이 에네루기 켄큐쇼 반도체장치
KR20110069831A (ko) * 2008-10-03 2011-06-23 가부시키가이샤 한도오따이 에네루기 켄큐쇼 변조회로 및 그것을 갖는 반도체장치
JP5297143B2 (ja) * 2008-10-10 2013-09-25 ルネサスエレクトロニクス株式会社 半導体装置及びｒｆｉｄタグチップ
US8198936B2 (en) * 2009-04-16 2012-06-12 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device
US10468915B2 (en) 2014-01-30 2019-11-05 Sony Corporation Power receiving unit, power receiving control method, wireless power transfer system, and electronic apparatus
CN104052415A (zh) * 2014-06-13 2014-09-17 成都阿艾夫通信有限公司 用于rfid有源射频识别系统中的自动调谐激励器
EP2963587B1 (en) * 2014-07-04 2017-03-15 Nxp B.V. Voltage converter

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4333072A (en) * 1979-08-06 1982-06-01 International Identification Incorporated Identification device
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
ATE98025T1 (de) * 1987-07-31 1993-12-15 Texas Instruments Deutschland Transponder-anordnung.
US5287113A (en) * 1990-02-12 1994-02-15 Texas Instruments Deutschland Gmbh Voltage limiting batteryless transponder circuit
US5479172A (en) * 1994-02-10 1995-12-26 Racom Systems, Inc. Power supply and power enable circuit for an RF/ID transponder
JP3761001B2 (ja) * 1995-11-20 2006-03-29 ソニー株式会社 非接触型情報カード及びｉｃ

Also Published As

Publication number Publication date
JP2001507549A (ja) 2001-06-05
WO1999018646A1 (en) 1999-04-15
CN1123953C (zh) 2003-10-08
JP4356846B2 (ja) 2009-11-04
KR20000069277A (ko) 2000-11-25
TW405288B (en) 2000-09-11
DE69836260T2 (de) 2007-05-31
MY114076A (en) 2002-07-31
NO992702L (no) 1999-07-16
CN1241315A (zh) 2000-01-12
EP0943171B1 (en) 2006-10-25
US5815355A (en) 1998-09-29
EP0943171A1 (en) 1999-09-22
EP0943171A4 (en) 2003-05-07
DE69836260D1 (de) 2006-12-07
CA2272619A1 (en) 1999-04-15
NO992702D0 (no) 1999-06-03

Similar Documents

Publication Publication Date Title
HK1022216A1 (en) Modulation compensated clamp circuit
GB9808762D0 (en) Modulated reflector circuit
TW373867U (en) Ballast circuit
GB9812633D0 (en) Circuit device
EP0694903A3 (en) Receiver circuit
TW391620U (en) Circuit arrangement
GB2339237B (en) Clamps
EP1039710A4 (en) CARRIER REPRODUCTION CIRCUIT
GB2331481A9 (en) Clamping device
GB9703466D0 (en) Clamp
TW381804U (en) Circuit arrangement
GB9727005D0 (en) Mulitivibrator circuit
GB9820348D0 (en) Clamp
GB2316119B (en) Clamping devices
TW360457U (en) Circuit arrangement
GB9726441D0 (en) Waterhouse
GB2323890B (en) Clamp
GB2324006B (en) Electronic modulation scheme
TW386580U (en) Clamp
TW335749U (en) Clamp
GB9719225D0 (en) Clamp
GB9704939D0 (en) Clamp
MD950F1 (en) Clamp
GB9618878D0 (en) Circuit
GB9609831D0 (en) Circuit

Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20170821