DK560382A - Sender-responderanlaeg - Google Patents

Sender-responderanlaeg Download PDF

Info

Publication number
DK560382A
DK560382A DK560382A DK560382A DK560382A DK 560382 A DK560382 A DK 560382A DK 560382 A DK560382 A DK 560382A DK 560382 A DK560382 A DK 560382A DK 560382 A DK560382 A DK 560382A
Authority
DK
Denmark
Prior art keywords
signal
modulating
response system
carrier component
mathematical relationship
Prior art date
Application number
DK560382A
Other languages
English (en)
Inventor
David Harold Wood
Martin Creswick
Original Assignee
Senelco 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26281576&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK560382(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Senelco Ltd filed Critical Senelco Ltd
Publication of DK560382A publication Critical patent/DK560382A/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • 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
    • G01S13/78—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe
    • 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)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Artificial Intelligence (AREA)
  • Signal Processing (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Vending Machines For Individual Products (AREA)
  • Surgical Instruments (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Near-Field Transmission Systems (AREA)
  • Burglar Alarm Systems (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Communication Control (AREA)
  • Electrotherapy Devices (AREA)
DK560382A 1981-12-18 1982-12-17 Sender-responderanlaeg DK560382A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8138270 1981-12-18
GB08234163A GB2112607B (en) 1981-12-18 1982-12-01 Transmitter/responder systems

Publications (1)

Publication Number Publication Date
DK560382A true DK560382A (da) 1983-06-19

Family

ID=26281576

Family Applications (1)

Application Number Title Priority Date Filing Date
DK560382A DK560382A (da) 1981-12-18 1982-12-17 Sender-responderanlaeg

Country Status (12)

Country Link
EP (1) EP0082690B1 (da)
KR (1) KR840003167A (da)
AT (1) ATE24079T1 (da)
AU (1) AU553592B2 (da)
BR (1) BR8207356A (da)
CA (1) CA1200302A (da)
DE (1) DE3274608D1 (da)
DK (1) DK560382A (da)
ES (1) ES8406013A1 (da)
FI (1) FI824317L (da)
GB (1) GB2112607B (da)
NZ (1) NZ202806A (da)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO833570L (no) * 1983-09-30 1985-04-01 Findit As Maale- og identifiseringssystem
GB2149623A (en) * 1983-10-26 1985-06-12 Itw New Zealand Ltd Identification device
GB8408538D0 (en) * 1984-04-03 1984-05-16 Senelco Ltd Transmitter-responder systems
JPS6154743A (ja) * 1984-08-25 1986-03-19 Nec Corp 送信制御方式
GB2164825B (en) * 1984-09-19 1988-05-11 Satellite Video Systems Ltd Coded transponder for indentification system
CA1316268C (en) * 1988-06-22 1993-04-13 Brooktree Corporation Programmable memory for an encoding system
GB2239571B (en) * 1989-12-29 1994-08-03 Schlumberger Ind Ltd Transponder
GB9009739D0 (en) * 1990-05-01 1990-06-20 Disys Inc Transponder system
NL9200618A (nl) * 1992-04-02 1993-11-01 Nedap Nv Hergebruikbaar identificatiekaartje met uitgiftesysteem.
CA2176625C (en) * 1995-05-19 2008-07-15 Donald Harold Fergusen Radio frequency identification tag
US6496382B1 (en) 1995-05-19 2002-12-17 Kasten Chase Applied Research Limited Radio frequency identification tag
US7121973B2 (en) * 2004-05-05 2006-10-17 Hr Textron, Inc. Methods and apparatus for minimizing backlash in a planetary gear mechanism
US7501945B2 (en) 2006-07-27 2009-03-10 Lockheed Martin Corporation System and method of simulation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3945006A (en) * 1952-04-04 1976-03-16 The United States Of America As Represented By The Secretary Of The Navy Radio frequency coding system
NL139925B (nl) * 1963-10-02 1973-10-15 Philips Nv Identificatie-inrichting.
DE1946247C3 (de) * 1969-09-12 1973-09-27 Siemens Ag, 1000 Berlin U. 8000 Muenchen Nach dem Funk Ruckstrahlprinzip arbeitendes Abfrage Antwort System fur verschiedene Abfragecodes
US3898619A (en) * 1973-06-29 1975-08-05 Glenayre Electronics Ltd Object location/identification system
SE380220B (sv) * 1973-11-13 1975-11-03 K O I Olsson Informationsoverforingsanleggning for tradlos overforing med en fragestation och ett svarsdon
SE384477B (sv) * 1974-08-16 1976-05-10 Philips Svenska Ab Sett och anordning for att astadkomma synkronisering i en informationsoverforingsanleggning innefattande en fragestation och ett svarsdon
GB1567750A (en) * 1975-09-19 1980-05-21 Seldown Electronics Ltd Transponders
US4063173A (en) * 1976-04-01 1977-12-13 Motorola, Inc. Dual mode receiver
AU525251B2 (en) * 1978-06-02 1982-10-28 Amalgamated Wireless (Australasia) Limited Identification system

Also Published As

Publication number Publication date
FI824317A0 (fi) 1982-12-15
AU9159282A (en) 1983-06-23
GB2112607B (en) 1986-01-02
BR8207356A (pt) 1983-10-18
ATE24079T1 (de) 1986-12-15
NZ202806A (en) 1986-06-11
AU553592B2 (en) 1986-07-24
FI824317L (fi) 1983-06-19
KR840003167A (ko) 1984-08-13
GB2112607A (en) 1983-07-20
EP0082690A1 (en) 1983-06-29
EP0082690B1 (en) 1986-12-03
ES518243A0 (es) 1984-06-16
DE3274608D1 (de) 1987-01-15
CA1200302A (en) 1986-02-04
ES8406013A1 (es) 1984-06-16

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment