BE488984A - - Google Patents

Info

Publication number
BE488984A
BE488984A BE488984DA BE488984A BE 488984 A BE488984 A BE 488984A BE 488984D A BE488984D A BE 488984DA BE 488984 A BE488984 A BE 488984A
Authority
BE
Belgium
Application number
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.)
Publication of BE488984A publication Critical patent/BE488984A/xx

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/06Electric 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)
  • Emergency Alarm Devices (AREA)
  • Fire Alarms (AREA)
  • Fire-Detection Mechanisms (AREA)
BE488984D 1947-11-25 BE488984A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB31185/47A GB632279A (en) 1947-11-25 1947-11-25 Improvements in fire alarm apparatus

Publications (1)

Publication Number Publication Date
BE488984A true BE488984A (de)

Family

ID=10319272

Family Applications (1)

Application Number Title Priority Date Filing Date
BE488984D BE488984A (de) 1947-11-25

Country Status (3)

Country Link
US (1) US2587762A (de)
BE (1) BE488984A (de)
GB (1) GB632279A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2667630A (en) * 1950-12-22 1954-01-26 Jorgensen Asger Lars Automatic fire alarm system
US2759174A (en) * 1952-08-26 1956-08-14 American District Telegraph Co Fire detector
US2827624A (en) * 1955-10-27 1958-03-18 Specialties Dev Corp Electrical network for detecting heat due to various causes
US3798971A (en) * 1971-11-01 1974-03-26 Lowrance Electronics Mfg Temperature differential sensor for gliders
US4521120A (en) * 1983-09-15 1985-06-04 The United States Of America As Represented By The Secretary Of Agriculture Forest fire rate of spread with timers method

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US419710A (en) * 1890-01-21 Electric protective system
US245272A (en) * 1881-08-09 beight
US2000074A (en) * 1928-03-08 1935-05-07 Kidde & Co Walter Supervised electric system
US2003358A (en) * 1929-11-21 1935-06-04 Kidde & Co Walter System for indicating the presence and location of fire
US1954832A (en) * 1930-02-11 1934-04-17 Vega Manuf Automatic starter
US2003443A (en) * 1931-06-09 1935-06-04 American Telephone & Telegraph Contactor indicator
US2236891A (en) * 1937-07-17 1941-04-01 Gamewell Co Fire alarm system
US2219262A (en) * 1937-07-21 1940-10-22 Western Union Telegraph Co System for detecting and locating defects in cable sheaths
US2302593A (en) * 1940-02-09 1942-11-17 Brown Instr Co Control apparatus
US2448575A (en) * 1942-06-18 1948-09-07 Brown Instr Co Electrical instrument follow-up system
US2412471A (en) * 1943-07-02 1946-12-10 Honeywell Regulator Co Air-speed responsive device
US2398892A (en) * 1943-07-08 1946-04-23 Edison Inc Thomas A Resistor bulb

Also Published As

Publication number Publication date
US2587762A (en) 1952-03-04
GB632279A (en) 1949-11-18

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