ATE19834T1 - Verfahren zum detektieren der unterbrechung der uebertragung von lichtsignalen und vorrichtung dafuer. - Google Patents

Verfahren zum detektieren der unterbrechung der uebertragung von lichtsignalen und vorrichtung dafuer.

Info

Publication number
ATE19834T1
ATE19834T1 AT83810053T AT83810053T ATE19834T1 AT E19834 T1 ATE19834 T1 AT E19834T1 AT 83810053 T AT83810053 T AT 83810053T AT 83810053 T AT83810053 T AT 83810053T AT E19834 T1 ATE19834 T1 AT E19834T1
Authority
AT
Austria
Prior art keywords
light signals
transmission
interruption
detecting
signal
Prior art date
Application number
AT83810053T
Other languages
English (en)
Inventor
Jean-Pierre Wiedmer
Original Assignee
Cabloptic Sa
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 Cabloptic Sa filed Critical Cabloptic Sa
Application granted granted Critical
Publication of ATE19834T1 publication Critical patent/ATE19834T1/de

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/12—Mechanical actuation by the breaking or disturbance of stretched cords or wires
    • G08B13/126—Mechanical actuation by the breaking or disturbance of stretched cords or wires for a housing, e.g. a box, a safe, or a room
    • G08B13/128—Mechanical actuation by the breaking or disturbance of stretched cords or wires for a housing, e.g. a box, a safe, or a room the housing being an electronic circuit unit, e.g. memory or CPU chip
    • 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
    • G08B13/186—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 light guides, e.g. optical fibres

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Communication System (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
AT83810053T 1982-03-02 1983-02-08 Verfahren zum detektieren der unterbrechung der uebertragung von lichtsignalen und vorrichtung dafuer. ATE19834T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH125882A CH645765A5 (fr) 1982-03-02 1982-03-02 Procede pour detecter l'interruption de la transmission de signaux lumineux et dispositif pour la mise en oeuvre de ce procede.
EP83810053A EP0088721B1 (de) 1982-03-02 1983-02-08 Verfahren zum Detektieren der Unterbrechung der Übertragung von Lichtsignalen und Vorrichtung dafür

Publications (1)

Publication Number Publication Date
ATE19834T1 true ATE19834T1 (de) 1986-05-15

Family

ID=4206176

Family Applications (1)

Application Number Title Priority Date Filing Date
AT83810053T ATE19834T1 (de) 1982-03-02 1983-02-08 Verfahren zum detektieren der unterbrechung der uebertragung von lichtsignalen und vorrichtung dafuer.

Country Status (7)

Country Link
US (1) US4491984A (de)
EP (1) EP0088721B1 (de)
JP (1) JPS58164341A (de)
AT (1) ATE19834T1 (de)
CA (1) CA1196969A (de)
CH (1) CH645765A5 (de)
DE (1) DE3363463D1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4612670A (en) * 1984-05-16 1986-09-16 General Dynamics Corporation Electro-optical connection between electronic modules
FR2599532A1 (fr) * 1986-05-30 1987-12-04 Commissariat Energie Atomique Dispositif de surveillance a fibres optiques
JPH02127829A (ja) * 1988-11-08 1990-05-16 Fujitsu Ltd 双方向光伝送装置の光断検出回路
DE19832562A1 (de) * 1998-07-20 2000-01-27 Siemens Ag Empfangseinrichtung für eine optische Datenübertragungsstrecke
CN104517376B (zh) * 2014-12-15 2017-07-04 北京航天易联科技发展有限公司 一种两通道嵌入式安防装置
CN107862821A (zh) * 2017-12-12 2018-03-30 上海师范大学 一种周界安防系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3714644A (en) * 1970-11-25 1973-01-30 H Hellstrom Alarms for night latch
FR2239063B1 (de) * 1973-07-27 1977-09-16 Thomson Csf
GB1497995A (en) * 1976-04-13 1978-01-12 Standard Telephones Cables Ltd Fibre optic acoustic monitoring arrangement
US4292628A (en) * 1978-08-28 1981-09-29 Chubb Industries Limited Fibre optic security system

Also Published As

Publication number Publication date
EP0088721B1 (de) 1986-05-14
JPS58164341A (ja) 1983-09-29
EP0088721A1 (de) 1983-09-14
US4491984A (en) 1985-01-01
CA1196969A (en) 1985-11-19
DE3363463D1 (en) 1986-06-19
CH645765A5 (fr) 1984-10-15

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties