FR2077864A1 - - Google Patents

Info

Publication number
FR2077864A1
FR2077864A1 FR7005956A FR7005956A FR2077864A1 FR 2077864 A1 FR2077864 A1 FR 2077864A1 FR 7005956 A FR7005956 A FR 7005956A FR 7005956 A FR7005956 A FR 7005956A FR 2077864 A1 FR2077864 A1 FR 2077864A1
Authority
FR
France
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.)
Granted
Application number
FR7005956A
Other languages
French (fr)
Other versions
FR2077864B1 (enExample
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7005956A priority Critical patent/FR2077864B1/fr
Publication of FR2077864A1 publication Critical patent/FR2077864A1/fr
Application granted granted Critical
Publication of FR2077864B1 publication Critical patent/FR2077864B1/fr
Expired 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
FR7005956A 1970-02-19 1970-02-19 Expired FR2077864B1 (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7005956A FR2077864B1 (enExample) 1970-02-19 1970-02-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7005956A FR2077864B1 (enExample) 1970-02-19 1970-02-19

Publications (2)

Publication Number Publication Date
FR2077864A1 true FR2077864A1 (enExample) 1971-11-05
FR2077864B1 FR2077864B1 (enExample) 1973-08-10

Family

ID=9050936

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7005956A Expired FR2077864B1 (enExample) 1970-02-19 1970-02-19

Country Status (1)

Country Link
FR (1) FR2077864B1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0631387A1 (en) * 1993-06-28 1994-12-28 Hitachi, Ltd. Automatic frequency control using split-band signal strength measurements

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL61924C (enExample) * 1938-03-21 1900-01-01
US3241137A (en) * 1958-05-05 1966-03-15 Stewart Warner Corp Transponder-type beacons
US3312970A (en) * 1941-06-27 1967-04-04 Rca Corp Pulse echo recognition systems
US3375516A (en) * 1967-05-26 1968-03-26 Navy Usa Dual antenna system for transponder beacon devices

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL61924C (enExample) * 1938-03-21 1900-01-01
US3312970A (en) * 1941-06-27 1967-04-04 Rca Corp Pulse echo recognition systems
US3241137A (en) * 1958-05-05 1966-03-15 Stewart Warner Corp Transponder-type beacons
US3375516A (en) * 1967-05-26 1968-03-26 Navy Usa Dual antenna system for transponder beacon devices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0631387A1 (en) * 1993-06-28 1994-12-28 Hitachi, Ltd. Automatic frequency control using split-band signal strength measurements

Also Published As

Publication number Publication date
FR2077864B1 (enExample) 1973-08-10

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Legal Events

Date Code Title Description
ST Notification of lapse