FR971749A - Relais électronique photosensible - Google Patents

Relais électronique photosensible

Info

Publication number
FR971749A
FR971749A FR971749DA FR971749A FR 971749 A FR971749 A FR 971749A FR 971749D A FR971749D A FR 971749DA FR 971749 A FR971749 A FR 971749A
Authority
FR
France
Prior art keywords
electronic relay
photosensitive electronic
photosensitive
relay
electronic
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
Other languages
English (en)
Inventor
Louis Pector
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
Application granted granted Critical
Publication of FR971749A publication Critical patent/FR971749A/fr
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
    • G08B13/18—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
    • G08B13/184—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 using radiation reflectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR971749D 1948-03-06 1948-03-06 Relais électronique photosensible Expired FR971749A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR971749T 1948-03-06

Publications (1)

Publication Number Publication Date
FR971749A true FR971749A (fr) 1951-01-22

Family

ID=9515471

Family Applications (1)

Application Number Title Priority Date Filing Date
FR971749D Expired FR971749A (fr) 1948-03-06 1948-03-06 Relais électronique photosensible

Country Status (1)

Country Link
FR (1) FR971749A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2636756A1 (fr) * 1988-08-24 1990-03-23 Seeib Sarl Systeme d'alarme autonome a infrarouge actif

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2636756A1 (fr) * 1988-08-24 1990-03-23 Seeib Sarl Systeme d'alarme autonome a infrarouge actif

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