TWI245238B - LC resonant circuit with amplification device - Google Patents
LC resonant circuit with amplification device Download PDFInfo
- Publication number
- TWI245238B TWI245238B TW093112207A TW93112207A TWI245238B TW I245238 B TWI245238 B TW I245238B TW 093112207 A TW093112207 A TW 093112207A TW 93112207 A TW93112207 A TW 93112207A TW I245238 B TWI245238 B TW I245238B
- Authority
- TW
- Taiwan
- Prior art keywords
- circuit
- screen
- frequency
- resonant
- output signal
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10158—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves methods and means used by the interrogation device for reliably powering the wireless record carriers using an electromagnetic interrogation field
- G06K7/10178—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves methods and means used by the interrogation device for reliably powering the wireless record carriers using an electromagnetic interrogation field including auxiliary means for focusing, repeating or boosting the electromagnetic interrogation field
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
- G08B13/2405—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used
- G08B13/2414—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used using inductive tags
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
- G08B13/2428—Tag details
- G08B13/2431—Tag circuit details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
- H01Q1/2225—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Health & Medical Sciences (AREA)
- Automation & Control Theory (AREA)
- Theoretical Computer Science (AREA)
- Toxicology (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Artificial Intelligence (AREA)
- General Health & Medical Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Burglar Alarm Systems (AREA)
- Filters And Equalizers (AREA)
- Coils Or Transformers For Communication (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US46721003P | 2003-05-01 | 2003-05-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200511156A TW200511156A (en) | 2005-03-16 |
| TWI245238B true TWI245238B (en) | 2005-12-11 |
Family
ID=33435037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW093112207A TWI245238B (en) | 2003-05-01 | 2004-04-30 | LC resonant circuit with amplification device |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US7129843B2 (enExample) |
| EP (1) | EP1618656B1 (enExample) |
| JP (1) | JP4290728B2 (enExample) |
| KR (1) | KR100845030B1 (enExample) |
| CN (1) | CN1792032B (enExample) |
| AR (1) | AR044158A1 (enExample) |
| AT (1) | ATE403970T1 (enExample) |
| AU (1) | AU2004237691B2 (enExample) |
| CA (1) | CA2524232C (enExample) |
| DE (1) | DE602004015586D1 (enExample) |
| ES (1) | ES2311836T3 (enExample) |
| MX (1) | MXPA05011756A (enExample) |
| TW (1) | TWI245238B (enExample) |
| WO (1) | WO2004100366A2 (enExample) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE403970T1 (de) * | 2003-05-01 | 2008-08-15 | Checkpoint Systems Inc | Lc resonanzschaltkreis mit verstärkungskomponente |
| WO2005045755A2 (en) | 2003-11-04 | 2005-05-19 | Avery Dennison Corporation | Rfid tag with enhanced readability |
| EP1760828A1 (en) | 2005-08-31 | 2007-03-07 | Incard SA | Contactless integrated circuit device |
| US20070146142A1 (en) * | 2005-12-22 | 2007-06-28 | Checkpoint Systems, Inc. | Security tag for cigarette pack |
| US8430327B2 (en) * | 2006-02-06 | 2013-04-30 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Wireless sensing system using open-circuit, electrically-conductive spiral-trace sensor |
| US8026818B2 (en) * | 2006-12-20 | 2011-09-27 | Checkpoint Systems, Inc. | EAS and UHF combination tag |
| US9439293B2 (en) * | 2007-11-21 | 2016-09-06 | Xerox Corporation | Galvanic process for making printed conductive metal markings for chipless RFID applications |
| US8444057B2 (en) | 2009-07-29 | 2013-05-21 | Checkpoint Systems, Inc. | Security labels with reinforced windows and methods of making the same |
| CN104617374B (zh) | 2009-11-20 | 2018-04-06 | 株式会社村田制作所 | 移动通信终端 |
| US20110274139A1 (en) | 2010-02-17 | 2011-11-10 | Administration | Wireless Temperature Sensing Having No Electrical Connections and Sensing Method for Use Therewith |
| CN102129603A (zh) * | 2011-03-22 | 2011-07-20 | 西安电子科技大学 | 基于导体谐振特性的无芯片射频识别电子标签 |
| US8692562B2 (en) | 2011-08-01 | 2014-04-08 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Wireless open-circuit in-plane strain and displacement sensor requiring no electrical connections |
| US9329153B2 (en) | 2013-01-02 | 2016-05-03 | United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Method of mapping anomalies in homogenous material |
| CN107546470A (zh) * | 2017-07-18 | 2018-01-05 | 苏州佳世达电通有限公司 | 通讯装置 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4021705A (en) * | 1975-03-24 | 1977-05-03 | Lichtblau G J | Resonant tag circuits having one or more fusible links |
| US4583099A (en) * | 1983-12-27 | 1986-04-15 | Polyonics Corporation | Resonant tag circuits useful in electronic security systems |
| DE69324132T2 (de) * | 1992-01-23 | 1999-10-28 | Saab-Scania Combitech Ab, Joenkoeping | Gerät zur drahtlosen informationsübertragung |
| US5276431A (en) * | 1992-04-29 | 1994-01-04 | Checkpoint Systems, Inc. | Security tag for use with article having inherent capacitance |
| US5510769A (en) * | 1993-08-18 | 1996-04-23 | Checkpoint Systems, Inc. | Multiple frequency tag |
| US5754110A (en) * | 1996-03-07 | 1998-05-19 | Checkpoint Systems, Inc. | Security tag and manufacturing method |
| US5708419A (en) | 1996-07-22 | 1998-01-13 | Checkpoint Systems, Inc. | Method of wire bonding an integrated circuit to an ultraflexible substrate |
| JPH10145267A (ja) | 1996-09-13 | 1998-05-29 | Hitachi Ltd | 高効率アンテナコイル並びに無線カードおよび無線カードを用いた情報通信システム |
| JPH10313226A (ja) * | 1997-05-12 | 1998-11-24 | Fujitsu Ltd | 送受分波器および送受分波器を搭載した無線通信装置 |
| US6320509B1 (en) * | 1998-03-16 | 2001-11-20 | Intermec Ip Corp. | Radio frequency identification transponder having a high gain antenna configuration |
| US6091607A (en) * | 1998-12-10 | 2000-07-18 | Checkpoint Systems, Inc. | Resonant tag with a conductive composition closing an electrical circuit |
| DE60135855D1 (de) * | 2000-07-19 | 2008-10-30 | Hanex Co Ltd | Rfid-etiketten-gehäusestruktur, rfid-etiketten-installationsstruktur und rfid-etiketten-kommunikationsverfahren |
| JP2002290131A (ja) * | 2000-12-18 | 2002-10-04 | Mitsubishi Materials Corp | トランスポンダ用アンテナ |
| JP2002353283A (ja) | 2001-05-29 | 2002-12-06 | Sony Corp | 半導体チップの識別方法および半導体チップのボンディング装置 |
| JP2003249813A (ja) * | 2002-02-25 | 2003-09-05 | Tecdia Kk | ループアンテナ付きrfid用タグ |
| ATE403970T1 (de) * | 2003-05-01 | 2008-08-15 | Checkpoint Systems Inc | Lc resonanzschaltkreis mit verstärkungskomponente |
| US7417599B2 (en) * | 2004-02-20 | 2008-08-26 | 3M Innovative Properties Company | Multi-loop antenna for radio frequency identification (RFID) communication |
| US7116227B2 (en) | 2004-02-23 | 2006-10-03 | Checkpoint Systems, Inc. | Tag having patterned circuit elements and a process for making same |
| US7138919B2 (en) | 2004-02-23 | 2006-11-21 | Checkpoint Systems, Inc. | Identification marking and method for applying the identification marking to an item |
| US7384496B2 (en) | 2004-02-23 | 2008-06-10 | Checkpoint Systems, Inc. | Security tag system for fabricating a tag including an integrated surface processing system |
-
2004
- 2004-04-30 AT AT04750881T patent/ATE403970T1/de not_active IP Right Cessation
- 2004-04-30 ES ES04750881T patent/ES2311836T3/es not_active Expired - Lifetime
- 2004-04-30 EP EP04750881A patent/EP1618656B1/en not_active Expired - Lifetime
- 2004-04-30 DE DE602004015586T patent/DE602004015586D1/de not_active Expired - Lifetime
- 2004-04-30 WO PCT/US2004/013209 patent/WO2004100366A2/en not_active Ceased
- 2004-04-30 CN CN2004800135681A patent/CN1792032B/zh not_active Expired - Fee Related
- 2004-04-30 AU AU2004237691A patent/AU2004237691B2/en not_active Ceased
- 2004-04-30 KR KR1020057020773A patent/KR100845030B1/ko not_active Expired - Fee Related
- 2004-04-30 JP JP2006513426A patent/JP4290728B2/ja not_active Expired - Fee Related
- 2004-04-30 MX MXPA05011756A patent/MXPA05011756A/es active IP Right Grant
- 2004-04-30 TW TW093112207A patent/TWI245238B/zh not_active IP Right Cessation
- 2004-04-30 CA CA2524232A patent/CA2524232C/en not_active Expired - Fee Related
- 2004-04-30 US US10/836,837 patent/US7129843B2/en not_active Expired - Fee Related
- 2004-05-03 AR ARP040101503A patent/AR044158A1/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN1792032A (zh) | 2006-06-21 |
| ATE403970T1 (de) | 2008-08-15 |
| TW200511156A (en) | 2005-03-16 |
| DE602004015586D1 (de) | 2008-09-18 |
| MXPA05011756A (es) | 2006-01-26 |
| US20050012615A1 (en) | 2005-01-20 |
| KR100845030B1 (ko) | 2008-07-09 |
| WO2004100366A3 (en) | 2005-06-09 |
| US7129843B2 (en) | 2006-10-31 |
| KR20060024371A (ko) | 2006-03-16 |
| CA2524232C (en) | 2011-09-13 |
| WO2004100366A2 (en) | 2004-11-18 |
| ES2311836T3 (es) | 2009-02-16 |
| EP1618656B1 (en) | 2008-08-06 |
| JP4290728B2 (ja) | 2009-07-08 |
| AR044158A1 (es) | 2005-08-24 |
| AU2004237691A1 (en) | 2004-11-18 |
| EP1618656A2 (en) | 2006-01-25 |
| JP2006525759A (ja) | 2006-11-09 |
| AU2004237691B2 (en) | 2007-11-15 |
| CA2524232A1 (en) | 2004-11-18 |
| CN1792032B (zh) | 2010-10-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI245238B (en) | LC resonant circuit with amplification device | |
| JP4422712B2 (ja) | 共振器付フィールド改善システム | |
| KR920004994Y1 (ko) | 무선주파수에 의해 제작동화 가능한 표시기 | |
| US6535108B1 (en) | Modulation of the resonant frequency of a circuit using an energy field | |
| US7123129B1 (en) | Modulation of the resonant frequency of a circuit using an energy field | |
| US8125338B2 (en) | Acousto-magnetic anti-theft alarming unit with magnetic detacher | |
| WO2002055315A1 (en) | Communication device and its installation structure, manufacturing method, and communication method | |
| US5854589A (en) | Method and apparatus for generating and detecting acoustic signals | |
| JP2006525759A5 (enExample) | ||
| US4260881A (en) | Electronic status determining label | |
| JP4673171B2 (ja) | 垂直磁界センサシステム | |
| EP4244766A1 (de) | Akustischer transponder, verwendung eines akustischen transponders, verfahren zur herstellung eines transponders und akustisches übertragungssystem | |
| CN1462413A (zh) | 用于产品导电表面的非接触式电子标签 | |
| JP4839828B2 (ja) | 金属対応の非接触式データキャリア装置 | |
| JP5547582B2 (ja) | 中抜き非接触icカード用アンテナによる統合アンテナ | |
| JP2011028450A (ja) | Icカードリーダ及び扉開閉装置 | |
| CN113439305B (zh) | 记录装置以及记录方法 | |
| JPH06125190A (ja) | 磁気シールドケース及びその中に収納された電子装置 | |
| JPH03160381A (ja) | 磁気カードの特性測定装置 | |
| JP2010026732A (ja) | セキュリティタグ | |
| JPH07110852A (ja) | 非接触磁気カード | |
| JP2008108003A (ja) | セキュリティタグ | |
| JPH01295408A (ja) | マイクロインダクター | |
| JPH07296130A (ja) | 磁気マーカー |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |