AU505686B2 - Reflective transponder - Google Patents

Reflective transponder

Info

Publication number
AU505686B2
AU505686B2 AU17703/76A AU1770376A AU505686B2 AU 505686 B2 AU505686 B2 AU 505686B2 AU 17703/76 A AU17703/76 A AU 17703/76A AU 1770376 A AU1770376 A AU 1770376A AU 505686 B2 AU505686 B2 AU 505686B2
Authority
AU
Australia
Prior art keywords
transponder
reflective
reflective transponder
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.)
Expired
Application number
AU17703/76A
Other versions
AU1770376A (en
Inventor
P. RM. DAVIES DE. N. McEWEN C. D DENNE
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.)
Alfa Laval Ltd Great Britain
Original Assignee
Alfa Laval Ltd Great Britain
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 Alfa Laval Ltd Great Britain filed Critical Alfa Laval Ltd Great Britain
Publication of AU1770376A publication Critical patent/AU1770376A/en
Application granted granted Critical
Publication of AU505686B2 publication Critical patent/AU505686B2/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/767—Responders; Transponders
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/56—Display arrangements
    • 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)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Traffic Control Systems (AREA)
  • Near-Field Transmission Systems (AREA)
AU17703/76A 1975-09-19 1976-09-14 Reflective transponder Expired AU505686B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB38660/75 1975-09-19
GB38660/75A GB1567750A (en) 1975-09-19 1975-09-19 Transponders

Publications (2)

Publication Number Publication Date
AU1770376A AU1770376A (en) 1978-03-23
AU505686B2 true AU505686B2 (en) 1979-11-29

Family

ID=10404881

Family Applications (1)

Application Number Title Priority Date Filing Date
AU17703/76A Expired AU505686B2 (en) 1975-09-19 1976-09-14 Reflective transponder

Country Status (9)

Country Link
JP (1) JPS5255890A (en)
AU (1) AU505686B2 (en)
CA (1) CA1078047A (en)
DE (1) DE2642022A1 (en)
DK (1) DK422076A (en)
FR (1) FR2325251A1 (en)
GB (1) GB1567750A (en)
IL (1) IL50466A (en)
NL (1) NL7610226A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU625452B2 (en) * 1988-01-14 1992-07-09 Sony Corporation A portable data transmitter device and a system using the same

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA82348B (en) * 1981-01-21 1982-12-29 Australian Meat & Live Stock C Remote identification of objects
EP0070199A1 (en) * 1981-07-14 1983-01-19 Tag Radionics Limited Active devices for coded information arrangements
GB2112607B (en) * 1981-12-18 1986-01-02 Senelco Ltd Transmitter/responder systems
ZA829121B (en) * 1981-12-18 1983-09-28 Senelco Ltd Transmitter/responder systems
GB2149623A (en) * 1983-10-26 1985-06-12 Itw New Zealand Ltd Identification device
EP0147099B1 (en) * 1983-12-06 1992-06-17 Mars Incorporated Tokens and token handling devices
CH663287A5 (en) * 1984-05-03 1987-11-30 Landis & Gyr Ag FACILITIES WITH CONTACTLESS INFORMATION TRANSFER BETWEEN AN IDENTIFICATOR AND AN IDENTIFICANT.
EP0170716B1 (en) * 1984-08-08 1990-10-24 Kabushiki Kaisha Toshiba Information medium
GB8420893D0 (en) * 1984-08-16 1984-09-19 Buttemer D A Transponder
GB2165723A (en) * 1984-10-16 1986-04-16 Alexander Francis Nixon Animal identification system
FR2601462B1 (en) * 1986-07-10 1988-08-05 Dissuavol Sarl METHOD FOR CONTROLLING THE MOVEMENT OF OBJECTS, IN PARTICULAR MOTOR VEHICLES
GB8700050D0 (en) * 1987-01-03 1987-07-08 Plessey Co Plc Security systems
JPH01148987A (en) * 1987-12-05 1989-06-12 Kubota Ltd Automatic discrimination system of vehicle
GB2225197A (en) * 1988-11-18 1990-05-23 Marconi Electronic Devices Location monitoring of moveable objects
FR2648593B1 (en) * 1989-06-14 1992-08-21 Raimbault Pierre METHOD AND DEVICE FOR ACCOUNTING AND MONITORING ARTICLES
GB9313187D0 (en) * 1993-06-25 1993-08-11 Cotag Int Ltd Coding device
JPH07174845A (en) * 1993-12-17 1995-07-14 Omron Corp Code responding method, core responder, and code responding system using the code responder

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3713148A (en) * 1970-05-21 1973-01-23 Communications Services Corp I Transponder apparatus and system
US3852755A (en) * 1971-07-22 1974-12-03 Raytheon Co Remotely powered transponder having a dipole antenna array
US3859624A (en) * 1972-09-05 1975-01-07 Thomas A Kriofsky Inductively coupled transmitter-responder arrangement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU625452B2 (en) * 1988-01-14 1992-07-09 Sony Corporation A portable data transmitter device and a system using the same

Also Published As

Publication number Publication date
CA1078047A (en) 1980-05-20
IL50466A0 (en) 1976-11-30
AU1770376A (en) 1978-03-23
DK422076A (en) 1977-03-20
IL50466A (en) 1979-09-30
GB1567750A (en) 1980-05-21
JPS5255890A (en) 1977-05-07
NL7610226A (en) 1977-03-22
DE2642022A1 (en) 1977-04-07
FR2325251A1 (en) 1977-04-15

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