AU4920599A - Battery-less transponder circuit - Google Patents

Battery-less transponder circuit

Info

Publication number
AU4920599A
AU4920599A AU49205/99A AU4920599A AU4920599A AU 4920599 A AU4920599 A AU 4920599A AU 49205/99 A AU49205/99 A AU 49205/99A AU 4920599 A AU4920599 A AU 4920599A AU 4920599 A AU4920599 A AU 4920599A
Authority
AU
Australia
Prior art keywords
battery
transponder circuit
less transponder
less
circuit
Prior art date
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.)
Abandoned
Application number
AU49205/99A
Inventor
Anthony Parfitt
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.)
CLAN HOLDINGS Ltd
Original Assignee
CLAN HOLDINGS 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 CLAN HOLDINGS Ltd filed Critical CLAN HOLDINGS Ltd
Publication of AU4920599A publication Critical patent/AU4920599A/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • G08B13/2422—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 acoustic or microwave tags
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Electromagnetism (AREA)
  • Computer Security & Cryptography (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Acoustics & Sound (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Burglar Alarm Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
AU49205/99A 1998-07-14 1999-07-13 Battery-less transponder circuit Abandoned AU4920599A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9815120.2A GB9815120D0 (en) 1998-07-14 1998-07-14 Battery-less transponder circuit
GB9815120 1998-07-14
PCT/GB1999/002250 WO2000004520A1 (en) 1998-07-14 1999-07-13 Battery-less transponder circuit

Publications (1)

Publication Number Publication Date
AU4920599A true AU4920599A (en) 2000-02-07

Family

ID=10835390

Family Applications (1)

Application Number Title Priority Date Filing Date
AU49205/99A Abandoned AU4920599A (en) 1998-07-14 1999-07-13 Battery-less transponder circuit

Country Status (5)

Country Link
EP (1) EP1097438A1 (en)
AU (1) AU4920599A (en)
GB (1) GB9815120D0 (en)
TW (1) TW445436B (en)
WO (1) WO2000004520A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE47599E1 (en) 2000-10-20 2019-09-10 Promega Corporation RF point of sale and delivery method and system using communication with remote computer and having features to read a large number of RF tags
US20020183882A1 (en) 2000-10-20 2002-12-05 Michael Dearing RF point of sale and delivery method and system using communication with remote computer and having features to read a large number of RF tags

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8204802A (en) * 1982-12-10 1984-07-02 Nedap Nv DETECTION PLATE WITH NON-LINEAR CIRCUIT FOR A DETECTION SYSTEM.
NL8701541A (en) * 1987-07-01 1989-02-01 Nedap Nv IDENTIFICATION SYSTEM FOR LIVESTOCK FARMING.
US5241298A (en) * 1992-03-18 1993-08-31 Security Tag Systems, Inc. Electrically-and-magnetically-coupled, batteryless, portable, frequency divider
US5517179A (en) * 1995-05-18 1996-05-14 Xlink Enterprises, Inc. Signal-powered frequency-dividing transponder

Also Published As

Publication number Publication date
WO2000004520A1 (en) 2000-01-27
EP1097438A1 (en) 2001-05-09
TW445436B (en) 2001-07-11
GB9815120D0 (en) 1998-09-09

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase