FR2324170A1 - Transpondeur - Google Patents

Transpondeur

Info

Publication number
FR2324170A1
FR2324170A1 FR7626816A FR7626816A FR2324170A1 FR 2324170 A1 FR2324170 A1 FR 2324170A1 FR 7626816 A FR7626816 A FR 7626816A FR 7626816 A FR7626816 A FR 7626816A FR 2324170 A1 FR2324170 A1 FR 2324170A1
Authority
FR
France
Prior art keywords
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.)
Withdrawn
Application number
FR7626816A
Other languages
English (en)
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of FR2324170A1 publication Critical patent/FR2324170A1/fr
Withdrawn legal-status Critical Current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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
FR7626816A 1975-09-15 1976-09-06 Transpondeur Withdrawn FR2324170A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/613,374 US4047171A (en) 1975-09-15 1975-09-15 Transponder

Publications (1)

Publication Number Publication Date
FR2324170A1 true FR2324170A1 (fr) 1977-04-08

Family

ID=24457070

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7626816A Withdrawn FR2324170A1 (fr) 1975-09-15 1976-09-06 Transpondeur

Country Status (5)

Country Link
US (1) US4047171A (fr)
JP (1) JPS5235996A (fr)
DE (1) DE2634961A1 (fr)
FR (1) FR2324170A1 (fr)
NL (1) NL7610291A (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4129867A (en) * 1977-04-28 1978-12-12 Motorola Inc. Multi-pulse modulator for radar transponder
US4213129A (en) * 1978-11-13 1980-07-15 Motorola, Inc. Delay stabilizing system
JPS55145376A (en) * 1979-04-27 1980-11-12 Nec Corp Schottky barrier diode
GB2070894B (en) * 1980-01-19 1983-11-30 Marconi Co Ltd Secondary radar responders
SE435554B (sv) * 1981-11-16 1984-10-01 Ericsson Telefon Ab L M Navigationssystem
US6184820B1 (en) * 1984-11-29 2001-02-06 Lockheed Martin Corp. Coherent pulse radar system
JPS62291585A (ja) * 1986-06-10 1987-12-18 Tech Res & Dev Inst Of Japan Def Agency トランスポンダ
US4894660A (en) * 1988-10-12 1990-01-16 General Electric Company Range sidelobe reduction by aperiodic swept-frequency subpulses
NO169267C (no) * 1989-06-08 1992-05-27 Miros As Fremgangsmaate ved system til deteksjon, lokalisering og klassifisering av maalobjekter
US5057846A (en) * 1990-03-26 1991-10-15 Geophysical Survey Systems, Inc. Efficient operation of probing radar in absorbing media
FR2665038B1 (fr) * 1990-07-23 1994-04-01 Alcatel Business Systems Systeme de radio-identification a badges repondeurs, unites constitutives d'un tel systeme et agencement exploitant correspondant.
US6081222A (en) * 1998-05-26 2000-06-27 Northrop Grumman Corporation Joint surveillance target attack system combat transponder
DE10155251A1 (de) * 2001-11-09 2003-06-18 Siemens Ag Transpondersystem und Verfahren zur Entfernungsmessung
SI21392A (sl) * 2002-12-24 2004-06-30 Vinko Kunc Postopek za avtomatsko nastavitev ojačenja izpraševalnikovega sprejemnika v brezkontaktnem identifikacijskem sistemu
US7042388B2 (en) * 2003-07-15 2006-05-09 Farrokh Mohamadi Beacon-on-demand radar transponder
FR2879301B1 (fr) * 2004-12-15 2007-01-26 Temex Sa Transpondeurs a ondes acoustiques de surface
US7573381B2 (en) * 2006-02-21 2009-08-11 Karr Lawrence J Reverse locator
US7592918B2 (en) 2006-02-21 2009-09-22 Karr Lawrence J Electronic fence mode alert system and method
US7791470B2 (en) * 2006-02-21 2010-09-07 Roundtrip Llc Spin around direction and distance locator
US7917155B2 (en) 2006-10-27 2011-03-29 Roundtrip Llc Location of cooperative tags with personal electronic device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2978699A (en) * 1944-08-28 1961-04-04 Itt Radio repeating systems
NL87379C (fr) * 1951-02-07
US3513470A (en) * 1958-07-07 1970-05-19 Itt Radio transponder
US3273146A (en) * 1964-08-07 1966-09-13 Gen Electric Object identifying apparatus

Also Published As

Publication number Publication date
US4047171A (en) 1977-09-06
JPS5235996A (en) 1977-03-18
NL7610291A (nl) 1977-03-17
DE2634961A1 (de) 1977-03-17

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Legal Events

Date Code Title Description
ST Notification of lapse