FR2104877A1 - - Google Patents

Info

Publication number
FR2104877A1
FR2104877A1 FR7130973A FR7130973A FR2104877A1 FR 2104877 A1 FR2104877 A1 FR 2104877A1 FR 7130973 A FR7130973 A FR 7130973A FR 7130973 A FR7130973 A FR 7130973A FR 2104877 A1 FR2104877 A1 FR 2104877A1
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.)
Withdrawn
Application number
FR7130973A
Other languages
French (fr)
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.)
Autophon AG
Original Assignee
Autophon AG
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 Autophon AG filed Critical Autophon AG
Publication of FR2104877A1 publication Critical patent/FR2104877A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/15—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for use during transport, e.g. by a person, vehicle or boat
    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Geophysics And Detection Of Objects (AREA)
FR7130973A 1970-08-26 1971-08-26 Withdrawn FR2104877A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1276270A CH519920A (en) 1970-08-26 1970-08-26 Locator for locating a transmitter that is carried by a buried person

Publications (1)

Publication Number Publication Date
FR2104877A1 true FR2104877A1 (en) 1972-04-21

Family

ID=4386172

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7130973A Withdrawn FR2104877A1 (en) 1970-08-26 1971-08-26

Country Status (3)

Country Link
CH (1) CH519920A (en)
DE (1) DE2138906A1 (en)
FR (1) FR2104877A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3215523C1 (en) * 1982-04-26 1983-09-29 Wilhelm Ruf KG, 8000 München Circuit arrangement for locating buried persons according to the transmitter / receiver principle

Also Published As

Publication number Publication date
DE2138906A1 (en) 1972-03-02
CH519920A (en) 1972-03-15

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Legal Events

Date Code Title Description
ST Notification of lapse