GB1542791A - Ultra-violet radiation detector circuit arrangements - Google Patents

Ultra-violet radiation detector circuit arrangements

Info

Publication number
GB1542791A
GB1542791A GB5249777A GB5249777A GB1542791A GB 1542791 A GB1542791 A GB 1542791A GB 5249777 A GB5249777 A GB 5249777A GB 5249777 A GB5249777 A GB 5249777A GB 1542791 A GB1542791 A GB 1542791A
Authority
GB
United Kingdom
Prior art keywords
ultra
radiation detector
detector circuit
circuit arrangements
violet radiation
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
GB5249777A
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.)
Landis and Gyr AG
Original Assignee
Landis and Gyr AG
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 Landis and Gyr AG filed Critical Landis and Gyr AG
Publication of GB1542791A publication Critical patent/GB1542791A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M11/00—Safety arrangements
    • F23M11/04—Means for supervising combustion, e.g. windows
    • F23M11/045—Means for supervising combustion, e.g. windows by observing the flame
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/08—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using light-sensitive elements
    • F23N5/082—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using light-sensitive elements using electronic means
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/12—Checking intermittently signalling or alarm systems
    • G08B29/14—Checking intermittently signalling or alarm systems checking the detection circuits
    • G08B29/145—Checking intermittently signalling or alarm systems checking the detection circuits of fire detection circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Fire-Detection Mechanisms (AREA)
GB5249777A 1976-12-24 1977-12-16 Ultra-violet radiation detector circuit arrangements Expired GB1542791A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1630376A CH604087A5 (enExample) 1976-12-24 1976-12-24

Publications (1)

Publication Number Publication Date
GB1542791A true GB1542791A (en) 1979-03-28

Family

ID=4416135

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5249777A Expired GB1542791A (en) 1976-12-24 1977-12-16 Ultra-violet radiation detector circuit arrangements

Country Status (5)

Country Link
CH (1) CH604087A5 (enExample)
DE (1) DE2704970C3 (enExample)
DK (1) DK576277A (enExample)
FR (1) FR2375793A1 (enExample)
GB (1) GB1542791A (enExample)

Also Published As

Publication number Publication date
DE2704970B2 (de) 1979-03-15
CH604087A5 (enExample) 1978-08-31
FR2375793B1 (enExample) 1983-11-10
DK576277A (da) 1978-06-25
FR2375793A1 (fr) 1978-07-21
DE2704970C3 (de) 1979-11-08
DE2704970A1 (de) 1978-11-16

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19971215