GB1227348A - - Google Patents

Info

Publication number
GB1227348A
GB1227348A GB1227348DA GB1227348A GB 1227348 A GB1227348 A GB 1227348A GB 1227348D A GB1227348D A GB 1227348DA GB 1227348 A GB1227348 A GB 1227348A
Authority
GB
United Kingdom
Prior art keywords
contacts
bridge
window
resistor
nov
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)
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
Publication of GB1227348A publication Critical patent/GB1227348A/en
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
    • G08B13/02—Mechanical actuation
    • G08B13/04—Mechanical actuation by breaking of glass
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/08—Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
GB1227348D 1967-11-27 1967-11-27 Expired GB1227348A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5375067 1967-11-27

Publications (1)

Publication Number Publication Date
GB1227348A true GB1227348A (enExample) 1971-04-07

Family

ID=10468854

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1227348D Expired GB1227348A (enExample) 1967-11-27 1967-11-27

Country Status (1)

Country Link
GB (1) GB1227348A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2645092A1 (en) * 2012-03-30 2013-10-02 Claranor Device comprising a window for transmitting radiation and an electrically conductive track arranged on the window for electrical detection of a break of the window
CN107093308A (zh) * 2017-06-22 2017-08-25 国网山东省电力公司枣庄供电公司 一种能检测完整性的电力标识牌装置及方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2645092A1 (en) * 2012-03-30 2013-10-02 Claranor Device comprising a window for transmitting radiation and an electrically conductive track arranged on the window for electrical detection of a break of the window
CN107093308A (zh) * 2017-06-22 2017-08-25 国网山东省电力公司枣庄供电公司 一种能检测完整性的电力标识牌装置及方法

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees