FR1514408A - Motion detector usable among others in anti-theft - Google Patents

Motion detector usable among others in anti-theft

Info

Publication number
FR1514408A
FR1514408A FR91170A FR91170A FR1514408A FR 1514408 A FR1514408 A FR 1514408A FR 91170 A FR91170 A FR 91170A FR 91170 A FR91170 A FR 91170A FR 1514408 A FR1514408 A FR 1514408A
Authority
FR
France
Prior art keywords
theft
motion detector
detector usable
usable
motion
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.)
Expired
Application number
FR91170A
Other languages
French (fr)
Inventor
Robert Halnaut
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 filed Critical
Priority to FR91170A priority Critical patent/FR1514408A/en
Application granted granted Critical
Publication of FR1514408A publication Critical patent/FR1514408A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
    • G08B13/1609—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems
    • G08B13/1618—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means
    • G08B13/1627—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means using Doppler shift detection circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR91170A 1967-01-13 1967-01-13 Motion detector usable among others in anti-theft Expired FR1514408A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR91170A FR1514408A (en) 1967-01-13 1967-01-13 Motion detector usable among others in anti-theft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR91170A FR1514408A (en) 1967-01-13 1967-01-13 Motion detector usable among others in anti-theft

Publications (1)

Publication Number Publication Date
FR1514408A true FR1514408A (en) 1968-02-23

Family

ID=8623873

Family Applications (1)

Application Number Title Priority Date Filing Date
FR91170A Expired FR1514408A (en) 1967-01-13 1967-01-13 Motion detector usable among others in anti-theft

Country Status (1)

Country Link
FR (1) FR1514408A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2165755A1 (en) * 1971-12-29 1973-08-10 Sfim

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2165755A1 (en) * 1971-12-29 1973-08-10 Sfim

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