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 (enrdf_load_stackoverflow
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 (enrdf_load_stackoverflow)

Priority Applications (1)

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

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=9100910

Family Applications (1)

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

Country Status (1)

Country Link
FR (1) FR2191368B1 (enrdf_load_stackoverflow)

Citations (2)

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

Also Published As

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

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Legal Events

Date Code Title Description
ST Notification of lapse