CH555572A - Anlage zum erzeugen eines alarmsignales bei bruch eines doppelglasfensters. - Google Patents

Anlage zum erzeugen eines alarmsignales bei bruch eines doppelglasfensters.

Info

Publication number
CH555572A
CH555572A CH555572DA CH555572A CH 555572 A CH555572 A CH 555572A CH 555572D A CH555572D A CH 555572DA CH 555572 A CH555572 A CH 555572A
Authority
CH
Switzerland
Prior art keywords
breaking
event
generating
alarm signal
glass window
Prior art date
Application number
Other languages
English (en)
Original Assignee
Fankhauser Glas Ag
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 Fankhauser Glas Ag filed Critical Fankhauser Glas Ag
Publication of CH555572A publication Critical patent/CH555572A/de

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
    • G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
    • G08B13/1609—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/04—Mechanical actuation by breaking of glass

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
CH555572D 1973-06-22 1973-06-22 Anlage zum erzeugen eines alarmsignales bei bruch eines doppelglasfensters. CH555572A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH910473 1973-06-22

Publications (1)

Publication Number Publication Date
CH555572A true CH555572A (de) 1974-09-15

Family

ID=4348358

Family Applications (1)

Application Number Title Priority Date Filing Date
CH555572D CH555572A (de) 1973-06-22 1973-06-22 Anlage zum erzeugen eines alarmsignales bei bruch eines doppelglasfensters.

Country Status (4)

Country Link
CH (1) CH555572A (de)
DE (1) DE2333931A1 (de)
FR (1) FR2234619B1 (de)
GB (1) GB1446667A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4367460A (en) * 1979-10-17 1983-01-04 Henri Hodara Intrusion sensor using optic fiber
GB2143976A (en) * 1983-07-14 1985-02-20 Shorrock Security Systems Ltd Window glass breakage detector apparatus

Also Published As

Publication number Publication date
FR2234619B1 (de) 1977-10-14
DE2333931A1 (de) 1975-01-23
GB1446667A (en) 1976-08-18
FR2234619A1 (de) 1975-01-17

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Legal Events

Date Code Title Description
PL Patent ceased