GB190902903A - Improvements in Shop Door, Burglar, or the like Alarm Devices. - Google Patents

Improvements in Shop Door, Burglar, or the like Alarm Devices.

Info

Publication number
GB190902903A
GB190902903A GB190902903DA GB190902903A GB 190902903 A GB190902903 A GB 190902903A GB 190902903D A GB190902903D A GB 190902903DA GB 190902903 A GB190902903 A GB 190902903A
Authority
GB
United Kingdom
Prior art keywords
burglar
alarm devices
shop door
alarm
contacts
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
Inventor
Richard Henry Albery
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB190902903A publication Critical patent/GB190902903A/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
    • H01H3/14—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for operation by a part of the human body other than the hand, e.g. by foot
    • H01H3/141—Cushion or mat switches

Landscapes

  • Burglar Alarm Systems (AREA)

Abstract

2903. Albery, R. H. Feb. 6. Burglar and like alarms.-In an elastic shopdoor, burglar, or like alarm of the type in which electric contacts, adapted to be closed by the weight of a person, are arranged under a carpet, mat, &c., the contacts consist of thin metal plates 1, which may be perforated, suitably separated by thin insulating-pieces.
GB190902903D 1909-02-06 1909-02-06 Improvements in Shop Door, Burglar, or the like Alarm Devices. Expired GB190902903A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190902903T 1909-02-06

Publications (1)

Publication Number Publication Date
GB190902903A true GB190902903A (en) 1909-10-21

Family

ID=32553856

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190902903D Expired GB190902903A (en) 1909-02-06 1909-02-06 Improvements in Shop Door, Burglar, or the like Alarm Devices.

Country Status (1)

Country Link
GB (1) GB190902903A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3751615A (en) * 1971-07-07 1973-08-07 Torrix Sa Ets Pressure-operated tape switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3751615A (en) * 1971-07-07 1973-08-07 Torrix Sa Ets Pressure-operated tape switch

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