FR1315684A - Détecteur de passage - Google Patents

Détecteur de passage

Info

Publication number
FR1315684A
FR1315684A FR888989A FR888989A FR1315684A FR 1315684 A FR1315684 A FR 1315684A FR 888989 A FR888989 A FR 888989A FR 888989 A FR888989 A FR 888989A FR 1315684 A FR1315684 A FR 1315684A
Authority
FR
France
Prior art keywords
passage detector
detector
passage
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
FR888989A
Other languages
English (en)
Inventor
Maurice Francois Aumasson
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 FR888989A priority Critical patent/FR1315684A/fr
Application granted granted Critical
Publication of FR1315684A publication Critical patent/FR1315684A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B15/00—Identifying, scaring or incapacitating burglars, thieves or intruders, e.g. by explosives
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
    • G08B13/183—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR888989A 1962-02-23 1962-02-23 Détecteur de passage Expired FR1315684A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR888989A FR1315684A (fr) 1962-02-23 1962-02-23 Détecteur de passage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR888989A FR1315684A (fr) 1962-02-23 1962-02-23 Détecteur de passage

Publications (1)

Publication Number Publication Date
FR1315684A true FR1315684A (fr) 1963-01-18

Family

ID=8773352

Family Applications (1)

Application Number Title Priority Date Filing Date
FR888989A Expired FR1315684A (fr) 1962-02-23 1962-02-23 Détecteur de passage

Country Status (1)

Country Link
FR (1) FR1315684A (fr)

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