DK157504C - Flammedetekteringskredsloeb - Google Patents

Flammedetekteringskredsloeb

Info

Publication number
DK157504C
DK157504C DK456481A DK456481A DK157504C DK 157504 C DK157504 C DK 157504C DK 456481 A DK456481 A DK 456481A DK 456481 A DK456481 A DK 456481A DK 157504 C DK157504 C DK 157504C
Authority
DK
Denmark
Prior art keywords
flame
Prior art date
Application number
DK456481A
Other languages
English (en)
Other versions
DK456481A (da
DK157504B (da
Inventor
William R Landis
Original Assignee
Honeywell Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22739470&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK157504(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Honeywell Inc filed Critical Honeywell Inc
Publication of DK456481A publication Critical patent/DK456481A/da
Publication of DK157504B publication Critical patent/DK157504B/da
Application granted granted Critical
Publication of DK157504C publication Critical patent/DK157504C/da

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
    • 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
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/429—Photometry, e.g. photographic exposure meter using electric radiation detectors applied to measurement of ultraviolet light
DK456481A 1980-10-23 1981-10-14 Flammedetekteringskredsloeb DK157504C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US19989880 1980-10-23
US06/199,898 US4328527A (en) 1980-10-23 1980-10-23 Selective ultraviolet signal amplifier circuit

Publications (3)

Publication Number Publication Date
DK456481A DK456481A (da) 1982-04-24
DK157504B DK157504B (da) 1990-01-15
DK157504C true DK157504C (da) 1990-06-05

Family

ID=22739470

Family Applications (1)

Application Number Title Priority Date Filing Date
DK456481A DK157504C (da) 1980-10-23 1981-10-14 Flammedetekteringskredsloeb

Country Status (6)

Country Link
US (1) US4328527A (da)
EP (1) EP0050953B1 (da)
JP (1) JPS57100322A (da)
CA (1) CA1167133A (da)
DE (1) DE3176697D1 (da)
DK (1) DK157504C (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4975683A (en) * 1989-07-07 1990-12-04 Pacific Scientific Company Cosmic radiation fault detection system
JPH0444197A (ja) * 1990-06-11 1992-02-13 Tokyo Parts Ind Co Ltd 火炎検出報知器
US5365223A (en) * 1991-10-28 1994-11-15 Honeywell Inc. Fail-safe condition sensing circuit
US5194728A (en) * 1991-12-05 1993-03-16 Honeywell Inc. Circuit for detecting firing of an ultraviolet radiation detector tube
US5227639A (en) * 1991-12-16 1993-07-13 Honeywell Inc. Infrared-based sensing circuit providing an output simulating the output of a flame rod sensor
US5236328A (en) * 1992-09-21 1993-08-17 Honeywell Inc. Optical flame detector performance tester
US7088253B2 (en) * 2004-02-10 2006-08-08 Protection Controls, Inc. Flame detector, method and fuel valve control

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1096992A (en) * 1964-01-08 1967-12-29 Graviner Manufacturing Co Improvements in radiation detectors
GB1037198A (en) * 1964-07-01 1966-07-27 Mullard Ltd Improvements in or relating to radiation-responsive circuit arrangements
US3336479A (en) * 1965-01-28 1967-08-15 Honeywell Inc Flame condition detection using a nonself-quenching ultra-violet sensitive geiger tube
US3683372A (en) * 1971-05-27 1972-08-08 Robert Horn Multimode self-checking flame detector
GB1503042A (en) * 1974-05-21 1978-03-08 Smiths Industries Ltd Radiation-detecting devices
US4016424A (en) * 1975-10-20 1977-04-05 Alison Control Inc. Ultraviolet radiation detector
US4162425A (en) * 1977-06-30 1979-07-24 Detector Electronics Corporation Ultraviolet detection tube quenching circuitry

Also Published As

Publication number Publication date
EP0050953B1 (en) 1988-03-30
DE3176697D1 (en) 1988-05-05
DK456481A (da) 1982-04-24
JPS6230576B2 (da) 1987-07-03
EP0050953A1 (en) 1982-05-05
DK157504B (da) 1990-01-15
US4328527A (en) 1982-05-04
JPS57100322A (en) 1982-06-22
CA1167133A (en) 1984-05-08

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Legal Events

Date Code Title Description
PBP Patent lapsed