FR2191368A1 - - Google Patents

Info

Publication number
FR2191368A1
FR2191368A1 FR7223217A FR7223217A FR2191368A1 FR 2191368 A1 FR2191368 A1 FR 2191368A1 FR 7223217 A FR7223217 A FR 7223217A FR 7223217 A FR7223217 A FR 7223217A FR 2191368 A1 FR2191368 A1 FR 2191368A1
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
FR7223217A
Other languages
French (fr)
Other versions
FR2191368B1 (nl
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR7223217A priority Critical patent/FR2191368B1/fr
Publication of FR2191368A1 publication Critical patent/FR2191368A1/fr
Application granted granted Critical
Publication of FR2191368B1 publication Critical patent/FR2191368B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/72—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Signal Processing (AREA)
FR7223217A 1972-06-27 1972-06-27 Expired FR2191368B1 (nl)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7223217A FR2191368B1 (nl) 1972-06-27 1972-06-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7223217A FR2191368B1 (nl) 1972-06-27 1972-06-27

Publications (2)

Publication Number Publication Date
FR2191368A1 true FR2191368A1 (nl) 1974-02-01
FR2191368B1 FR2191368B1 (nl) 1975-03-07

Family

ID=9100910

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7223217A Expired FR2191368B1 (nl) 1972-06-27 1972-06-27

Country Status (1)

Country Link
FR (1) FR2191368B1 (nl)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE519086A (nl) * 1951-05-12
US2768246A (en) * 1951-05-12 1956-10-23 Charles Legorju Electrical transducer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE519086A (nl) * 1951-05-12
US2768246A (en) * 1951-05-12 1956-10-23 Charles Legorju Electrical transducer

Also Published As

Publication number Publication date
FR2191368B1 (nl) 1975-03-07

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Legal Events

Date Code Title Description
ST Notification of lapse