CH499329A - Fire alarm - Google Patents

Fire alarm

Info

Publication number
CH499329A
CH499329A CH1724769A CH1724769A CH499329A CH 499329 A CH499329 A CH 499329A CH 1724769 A CH1724769 A CH 1724769A CH 1724769 A CH1724769 A CH 1724769A CH 499329 A CH499329 A CH 499329A
Authority
CH
Switzerland
Prior art keywords
fire alarm
alarm
fire
Prior art date
Application number
CH1724769A
Other languages
German (de)
Inventor
Mamiya Hiroaki
Original Assignee
Matsushita Electric Works Ltd
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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Publication of CH499329A publication Critical patent/CH499329A/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
CH1724769A 1968-11-25 1969-11-19 Fire alarm CH499329A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP10265668 1968-11-25
JP10265568 1968-11-25
JP10456868 1968-11-29

Publications (1)

Publication Number Publication Date
CH499329A true CH499329A (en) 1970-11-30

Family

ID=27309759

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1724769A CH499329A (en) 1968-11-25 1969-11-19 Fire alarm

Country Status (3)

Country Link
CH (1) CH499329A (en)
DE (1) DE1958970B2 (en)
GB (1) GB1267554A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3013831A1 (en) * 1979-04-11 1980-10-30 Hochiki Co TEMPERATURE DETECTING DEVICE
DE3621878A1 (en) * 1985-07-02 1987-01-08 Elmwood Sensors CAP AND CARRIER ARRANGEMENT FOR A THERMOSTAT SWITCH AND METHOD FOR THEIR PRODUCTION

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4020442A (en) * 1974-03-08 1977-04-26 Hochiki Corporation Composite-type heat-system fire sensing device
JPS5317096A (en) * 1976-07-30 1978-02-16 Matsushita Electric Works Ltd Fire sensor
US4591822A (en) * 1984-11-30 1986-05-27 Therm-O-Disc, Incorporated Bimetal thermostat with head collector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3013831A1 (en) * 1979-04-11 1980-10-30 Hochiki Co TEMPERATURE DETECTING DEVICE
DE3621878A1 (en) * 1985-07-02 1987-01-08 Elmwood Sensors CAP AND CARRIER ARRANGEMENT FOR A THERMOSTAT SWITCH AND METHOD FOR THEIR PRODUCTION

Also Published As

Publication number Publication date
GB1267554A (en) 1972-03-22
DE1958970B2 (en) 1971-12-02
DE1958970A1 (en) 1970-06-04

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Legal Events

Date Code Title Description
PL Patent ceased