GB1410482A - Fire detection apparatus - Google Patents

Fire detection apparatus

Info

Publication number
GB1410482A
GB1410482A GB273272A GB273272A GB1410482A GB 1410482 A GB1410482 A GB 1410482A GB 273272 A GB273272 A GB 273272A GB 273272 A GB273272 A GB 273272A GB 1410482 A GB1410482 A GB 1410482A
Authority
GB
United Kingdom
Prior art keywords
circuit
thyristor
flame
high gain
gain amplifier
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
GB273272A
Other languages
English (en)
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.)
Talentum Developments Ltd
Original Assignee
Talentum Developments 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 Talentum Developments Ltd filed Critical Talentum Developments Ltd
Priority to GB273272A priority Critical patent/GB1410482A/en
Priority to LU66852D priority patent/LU66852A1/xx
Publication of GB1410482A publication Critical patent/GB1410482A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
GB273272A 1972-01-20 1972-01-20 Fire detection apparatus Expired GB1410482A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB273272A GB1410482A (en) 1972-01-20 1972-01-20 Fire detection apparatus
LU66852D LU66852A1 (enExample) 1972-01-20 1973-01-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB273272A GB1410482A (en) 1972-01-20 1972-01-20 Fire detection apparatus

Publications (1)

Publication Number Publication Date
GB1410482A true GB1410482A (en) 1975-10-29

Family

ID=9744847

Family Applications (1)

Application Number Title Priority Date Filing Date
GB273272A Expired GB1410482A (en) 1972-01-20 1972-01-20 Fire detection apparatus

Country Status (2)

Country Link
GB (1) GB1410482A (enExample)
LU (1) LU66852A1 (enExample)

Also Published As

Publication number Publication date
LU66852A1 (enExample) 1973-04-19

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Legal Events

Date Code Title Description
PS Patent sealed
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)