EP0510917A3 - Switching devices - Google Patents

Switching devices Download PDF

Info

Publication number
EP0510917A3
EP0510917A3 EP19920303567 EP92303567A EP0510917A3 EP 0510917 A3 EP0510917 A3 EP 0510917A3 EP 19920303567 EP19920303567 EP 19920303567 EP 92303567 A EP92303567 A EP 92303567A EP 0510917 A3 EP0510917 A3 EP 0510917A3
Authority
EP
European Patent Office
Prior art keywords
switching devices
switching
devices
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.)
Withdrawn
Application number
EP19920303567
Other versions
EP0510917A2 (en
Inventor
Stephen John Bayley
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.)
Thorn EMI PLC
Original Assignee
Thorn EMI PLC
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 Thorn EMI PLC filed Critical Thorn EMI PLC
Publication of EP0510917A2 publication Critical patent/EP0510917A2/en
Publication of EP0510917A3 publication Critical patent/EP0510917A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/12—Manually actuated calamity alarm transmitting arrangements emergency non-personal manually actuated alarm, activators, e.g. details of alarm push buttons mounted on an infrastructure
    • 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
    • H01H3/022—Emergency operating parts, e.g. for stop-switch in dangerous conditions
    • H01H2003/0233—Emergency operating parts, e.g. for stop-switch in dangerous conditions for alarm triggering, e.g. fire alarm, emergency off switches operated by breaking a glass
EP19920303567 1991-04-23 1992-04-22 Switching devices Withdrawn EP0510917A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9108702A GB2255232A (en) 1991-04-23 1991-04-23 Alarm call points
GB9108702 1991-04-23

Publications (2)

Publication Number Publication Date
EP0510917A2 EP0510917A2 (en) 1992-10-28
EP0510917A3 true EP0510917A3 (en) 1993-03-10

Family

ID=10693798

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920303567 Withdrawn EP0510917A3 (en) 1991-04-23 1992-04-22 Switching devices

Country Status (2)

Country Link
EP (1) EP0510917A3 (en)
GB (1) GB2255232A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2707784B1 (en) * 1993-07-15 1995-10-20 Neutronic Alarm triggering device, in particular for fire detection installation.
DE19934482C5 (en) * 1999-07-27 2013-04-18 Dorma Gmbh + Co. Kg Door terminal with emergency button cover
DE50106262D1 (en) * 2001-09-03 2005-06-23 Siemens Building Tech Ag Hand hazard detector
FR2835756B1 (en) * 2002-02-12 2004-04-30 Axendis MANUAL TRIGGER, ESPECIALLY FOR FIRE ALARM
DE102004018269B3 (en) * 2004-04-15 2005-08-11 Novar Gmbh Manual hazard alarm, e.g. fire alarm or press-button alarm, has unlocking element mounted in housing that is rotatable with key into first position in which it releases latching of free end of tongue in working position of press button
EP2093735A1 (en) * 2008-02-19 2009-08-26 Siemens Aktiengesellschaft Emergency call switch with a bistable switching element
CN106548608B (en) * 2015-09-18 2021-06-04 海湾安全技术有限公司 Push plate of hand-pulling alarm device
EP3832620A1 (en) * 2019-12-03 2021-06-09 Carrier Corporation Manual call point
RU207617U1 (en) * 2021-04-04 2021-11-08 Дмитрий Анатольевич Шильдяев Manual fire detector

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2311519A1 (en) * 1973-03-08 1974-09-12 Siemens Ag FIRE ALARM
GB2143677A (en) * 1983-07-19 1985-02-13 Emhart Ind Fire alarm pull station

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2075265B (en) * 1980-05-01 1984-04-26 Pantera Electronics Ltd Solid state break glass call point
US4857679A (en) * 1986-11-20 1989-08-15 Bennett Brian S Alarm system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2311519A1 (en) * 1973-03-08 1974-09-12 Siemens Ag FIRE ALARM
GB2143677A (en) * 1983-07-19 1985-02-13 Emhart Ind Fire alarm pull station

Also Published As

Publication number Publication date
EP0510917A2 (en) 1992-10-28
GB9108702D0 (en) 1991-06-12
GB2255232A (en) 1992-10-28

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