GB1542792A - Ultra-violet radiation detector circuit arrangements - Google Patents

Ultra-violet radiation detector circuit arrangements

Info

Publication number
GB1542792A
GB1542792A GB5249877A GB5249877A GB1542792A GB 1542792 A GB1542792 A GB 1542792A GB 5249877 A GB5249877 A GB 5249877A GB 5249877 A GB5249877 A GB 5249877A GB 1542792 A GB1542792 A GB 1542792A
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
GB5249877A
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 GB1542792A publication Critical patent/GB1542792A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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

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)
GB5249877A 1976-12-24 1977-12-16 Ultra-violet radiation detector circuit arrangements Expired GB1542792A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1630476A CH604088A5 (enExample) 1976-12-24 1976-12-24

Publications (1)

Publication Number Publication Date
GB1542792A true GB1542792A (en) 1979-03-28

Family

ID=4416146

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5249877A Expired GB1542792A (en) 1976-12-24 1977-12-16 Ultra-violet radiation detector circuit arrangements

Country Status (5)

Country Link
CH (1) CH604088A5 (enExample)
DE (1) DE2704971C3 (enExample)
DK (1) DK146606C (enExample)
FR (1) FR2375794A1 (enExample)
GB (1) GB1542792A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2938786C3 (de) * 1979-09-19 1982-05-06 LGZ Landis & Gyr Zug AG, 6301 Zug Mit Wechselspannung gespeister Flammenwächter

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3387135A (en) * 1965-07-26 1968-06-04 Honeywell Inc Fire detection and flame safeguard apparatus
CH486668A (de) * 1967-05-03 1970-02-28 Landis & Gyr Ag Flammenwächter für Feuerungsanlagen

Also Published As

Publication number Publication date
DK576377A (da) 1978-06-25
DK146606B (da) 1983-11-14
FR2375794A1 (fr) 1978-07-21
DE2704971C3 (de) 1979-09-20
DE2704971B2 (de) 1979-01-25
DK146606C (da) 1984-04-30
FR2375794B1 (enExample) 1983-11-04
CH604088A5 (enExample) 1978-08-31
DE2704971A1 (de) 1978-06-29

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee