GB1528055A - Automatic electrical alarm system - Google Patents

Automatic electrical alarm system

Info

Publication number
GB1528055A
GB1528055A GB4902975A GB4902975A GB1528055A GB 1528055 A GB1528055 A GB 1528055A GB 4902975 A GB4902975 A GB 4902975A GB 4902975 A GB4902975 A GB 4902975A GB 1528055 A GB1528055 A GB 1528055A
Authority
GB
United Kingdom
Prior art keywords
mains
alarm system
failure
automatic electrical
electrical 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
GB4902975A
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.)
KUN B
Original Assignee
KUN B
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 KUN B filed Critical KUN B
Priority to GB4902975A priority Critical patent/GB1528055A/en
Publication of GB1528055A publication Critical patent/GB1528055A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/185—Electrical failure alarms
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/145—Indicating the presence of current or voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Alarm Systems (AREA)

Abstract

1528055 Mains-failure alarms B KUN 30 July 1976 [28 Nov 1975] 49029/75 Heading H2K A mains-failure alarm comprises a plungerin-coil type solenoid 4 normally energized via a transformer from the mains, the plunger being released on failure of the mains supply, to complete the circuit of a battery-operated bell 1 or other alarm.
GB4902975A 1976-07-30 1976-07-30 Automatic electrical alarm system Expired GB1528055A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4902975A GB1528055A (en) 1976-07-30 1976-07-30 Automatic electrical alarm system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4902975A GB1528055A (en) 1976-07-30 1976-07-30 Automatic electrical alarm system

Publications (1)

Publication Number Publication Date
GB1528055A true GB1528055A (en) 1978-10-11

Family

ID=10450851

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4902975A Expired GB1528055A (en) 1976-07-30 1976-07-30 Automatic electrical alarm system

Country Status (1)

Country Link
GB (1) GB1528055A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2393552A (en) * 2002-09-11 2004-03-31 Cutting Edge Creations Inc Alarm system to detect failure of blower for inflatable play device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2393552A (en) * 2002-09-11 2004-03-31 Cutting Edge Creations Inc Alarm system to detect failure of blower for inflatable play device
GB2393552B (en) * 2002-09-11 2006-10-11 Cutting Edge Creations Inc Method and apparatus for improving the safety of inflatable attractions and other inflatable devices

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee