FR2287771B1 - - Google Patents

Info

Publication number
FR2287771B1
FR2287771B1 FR7530795A FR7530795A FR2287771B1 FR 2287771 B1 FR2287771 B1 FR 2287771B1 FR 7530795 A FR7530795 A FR 7530795A FR 7530795 A FR7530795 A FR 7530795A FR 2287771 B1 FR2287771 B1 FR 2287771B1
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
FR7530795A
Other languages
French (fr)
Other versions
FR2287771A1 (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.)
GTE Licht GmbH
GTE Sylvania Inc
Original Assignee
GTE Licht GmbH
GTE Sylvania Inc
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 GTE Licht GmbH, GTE Sylvania Inc filed Critical GTE Licht GmbH
Publication of FR2287771A1 publication Critical patent/FR2287771A1/fr
Application granted granted Critical
Publication of FR2287771B1 publication Critical patent/FR2287771B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B1/00—Systems for signalling characterised solely by the form of transmission of the signal
    • G08B1/08—Systems for signalling characterised solely by the form of transmission of the signal using electric transmission ; transformation of alarm signals to electrical signals from a different medium, e.g. transmission of an electric alarm signal upon detection of an audible alarm signal
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/04—Monitoring of the detection circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
FR7530795A 1974-10-08 1975-10-08 Recepteur de radiation ultraviolette avec controle de fonctionnement Granted FR2287771A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742447870 DE2447870C3 (de) 1974-10-08 1974-10-08 Kontrolleinrichtung für einen UV-Strahlungsempfänger

Publications (2)

Publication Number Publication Date
FR2287771A1 FR2287771A1 (fr) 1976-05-07
FR2287771B1 true FR2287771B1 (OSRAM) 1980-06-06

Family

ID=5927784

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7530795A Granted FR2287771A1 (fr) 1974-10-08 1975-10-08 Recepteur de radiation ultraviolette avec controle de fonctionnement

Country Status (2)

Country Link
DE (1) DE2447870C3 (OSRAM)
FR (1) FR2287771A1 (OSRAM)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH525524A (de) * 1971-11-22 1972-07-15 Romano Ivan Alarmanlage als Einbruchssicherung für ein Wandelement

Also Published As

Publication number Publication date
DE2447870C3 (de) 1978-06-01
DE2447870B2 (de) 1977-09-15
DE2447870A1 (de) 1976-04-15
FR2287771A1 (fr) 1976-05-07

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse