FR1556662A - - Google Patents

Info

Publication number
FR1556662A
FR1556662A FR1556662DA FR1556662A FR 1556662 A FR1556662 A FR 1556662A FR 1556662D A FR1556662D A FR 1556662DA FR 1556662 A FR1556662 A FR 1556662A
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.)
Expired
Application number
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 FR1556662A publication Critical patent/FR1556662A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems, e.g. audible personal calling systems
    • G08B3/10—Audible signalling systems, e.g. audible personal calling systems using electric transmission; using electromagnetic transmission

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
FR1556662D 1967-03-08 1968-03-07 Expired FR1556662A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA671329 1967-03-08

Publications (1)

Publication Number Publication Date
FR1556662A true FR1556662A (fr) 1969-02-07

Family

ID=25561070

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1556662D Expired FR1556662A (fr) 1967-03-08 1968-03-07

Country Status (3)

Country Link
CH (1) CH475613A (fr)
FR (1) FR1556662A (fr)
GB (1) GB1160496A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4410884A (en) * 1977-08-18 1983-10-18 Firma Aug. Winkhaus Alarm system
DE102008053881A1 (de) 2008-10-30 2010-05-12 I.L.E.E. Ag Industrial Laser And Electronic Engineering Reflexionsschranke mit Vermessungs- und / oder Lokalisierungsfunktion
CN104766507A (zh) * 2015-04-07 2015-07-08 张鹏 一种模拟战场环境下汽车遇袭提醒装置

Also Published As

Publication number Publication date
GB1160496A (en) 1969-08-06
CH475613A (de) 1969-07-15

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Legal Events

Date Code Title Description
ST Notification of lapse