CA2141838A1 - Identification apparatus - Google Patents

Identification apparatus

Info

Publication number
CA2141838A1
CA2141838A1 CA002141838A CA2141838A CA2141838A1 CA 2141838 A1 CA2141838 A1 CA 2141838A1 CA 002141838 A CA002141838 A CA 002141838A CA 2141838 A CA2141838 A CA 2141838A CA 2141838 A1 CA2141838 A1 CA 2141838A1
Authority
CA
Canada
Prior art keywords
signal
acoustic
transponder
reply
capacitive
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
CA002141838A
Other languages
English (en)
French (fr)
Inventor
Graham A. M. Murdoch
David R. Brooks
Robert Gouldson
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.)
Magellan Corp Australia Pty Ltd
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2141838A1 publication Critical patent/CA2141838A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/74—Systems using reradiation of acoustic waves, e.g. IFF, i.e. identification of friend or foe
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V15/00—Tags attached to, or associated with, an object, in order to enable detection of the object

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Acoustics & Sound (AREA)
  • Near-Field Transmission Systems (AREA)
CA002141838A 1992-08-14 1993-08-16 Identification apparatus Abandoned CA2141838A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPL4139 1992-08-14
AUPL413992 1992-08-14

Publications (1)

Publication Number Publication Date
CA2141838A1 true CA2141838A1 (en) 1994-03-03

Family

ID=3776358

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002141838A Abandoned CA2141838A1 (en) 1992-08-14 1993-08-16 Identification apparatus

Country Status (5)

Country Link
EP (1) EP0655178A1 (xx)
JP (1) JPH08500223A (xx)
CA (1) CA2141838A1 (xx)
WO (1) WO1994005090A1 (xx)
ZA (1) ZA935944B (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19523521A1 (de) * 1995-06-30 1997-01-02 Licentia Gmbh Transponder-Drahtspule
FR2799841A1 (fr) * 1999-10-18 2001-04-20 Didier Spada Systeme de detection et d'identification electromagnetique d'objets par exitation acoustique
US6778088B1 (en) 2000-02-11 2004-08-17 Marconi Intellectual Property (Us) Inc. Deployable identification device
US6580357B1 (en) 2000-02-11 2003-06-17 Marconi Communications Inc. Handle tag for identification of a container
US6469627B1 (en) * 2000-02-11 2002-10-22 Marconi Communications Inc. Mounting clip having a wireless communication device
US6720865B1 (en) 2000-02-11 2004-04-13 Marconi Intellectual Property (Us) Resilient member with wireless communication device
US6847912B2 (en) 2002-05-07 2005-01-25 Marconi Intellectual Property (Us) Inc. RFID temperature device and method
US7224273B2 (en) 2002-05-23 2007-05-29 Forster Ian J Device and method for identifying a container
JP2005198032A (ja) * 2004-01-07 2005-07-21 Global Com:Kk 無電源ｒｆタグ及び質問器
EP1758256A1 (en) * 2004-06-15 2007-02-28 Brother Kogyo Kabushiki Kaisha Interrogator for wireless tag communication system
GB0721162D0 (en) 2007-10-29 2007-12-05 Sonitor Technologies As Patient wrist tag

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8420893D0 (en) * 1984-08-16 1984-09-19 Buttemer D A Transponder
US5153583A (en) * 1987-11-18 1992-10-06 Uniscan Ltd. Transponder
ZA892468B (en) * 1988-04-11 1989-12-27 Uniscan Ltd Improvements in or relating to cutting elements foactuator and communication system r rotary drill bits
NO884144L (no) * 1988-09-16 1990-03-19 Universal Tracking Systems Ltd Identifikasjonssystem.

Also Published As

Publication number Publication date
EP0655178A1 (en) 1995-05-31
WO1994005090A1 (en) 1994-03-03
JPH08500223A (ja) 1996-01-09
ZA935944B (en) 1994-03-10

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Legal Events

Date Code Title Description
FZDE Dead