GB381530A - Improvements in or relating to burglar and like alarms - Google Patents

Improvements in or relating to burglar and like alarms

Info

Publication number
GB381530A
GB381530A GB18686/32A GB1868632A GB381530A GB 381530 A GB381530 A GB 381530A GB 18686/32 A GB18686/32 A GB 18686/32A GB 1868632 A GB1868632 A GB 1868632A GB 381530 A GB381530 A GB 381530A
Authority
GB
United Kingdom
Prior art keywords
circuit
blade
burglar
alarms
alarm
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
GB18686/32A
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.)
CHARLES GURDJIAN
Original Assignee
CHARLES GURDJIAN
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 CHARLES GURDJIAN filed Critical CHARLES GURDJIAN
Publication of GB381530A publication Critical patent/GB381530A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/16—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift

Landscapes

  • Burglar Alarm Systems (AREA)

Abstract

381,530. Burglar and like alarms. GURDJIAN, C., 188, Rue Royale, Brussels. July 1, 1932, No. 18686. Convention date, Feb. 16. [Class 118 (i).] When a member 2 pivoted at 3 in a casing 1 is displaced by the movement of a door, window, lock or other device, it cooperates with three separately insulated contact blades 6, 7, 8 to open one circuit so as to actuate a relav and give an alarm, and also to close a second alarm circuit. The first circuit is broken by the tongue 4 of the member 2 leaving the contact blade 6, and the second circuit is closed by the member 2 pressing the blade 7 against the blade 8.
GB18686/32A 1932-02-16 1932-07-01 Improvements in or relating to burglar and like alarms Expired GB381530A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE381530X 1932-02-16

Publications (1)

Publication Number Publication Date
GB381530A true GB381530A (en) 1932-10-06

Family

ID=3868712

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18686/32A Expired GB381530A (en) 1932-02-16 1932-07-01 Improvements in or relating to burglar and like alarms

Country Status (1)

Country Link
GB (1) GB381530A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0458166A2 (en) * 1990-05-21 1991-11-27 Mannesmann Kienzle GmbH (HR B1220) Contact device for a switch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0458166A2 (en) * 1990-05-21 1991-11-27 Mannesmann Kienzle GmbH (HR B1220) Contact device for a switch
EP0458166A3 (en) * 1990-05-21 1993-02-10 Mannesmann Kienzle Gmbh Contact device for a switch

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