CA953773A - Light sensor with false quench inhibit circuit and temperature compensation - Google Patents

Light sensor with false quench inhibit circuit and temperature compensation

Info

Publication number
CA953773A
CA953773A CA135,498A CA135498A CA953773A CA 953773 A CA953773 A CA 953773A CA 135498 A CA135498 A CA 135498A CA 953773 A CA953773 A CA 953773A
Authority
CA
Canada
Prior art keywords
quench
false
light sensor
temperature compensation
inhibit circuit
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
CA135,498A
Other versions
CA135498S (en
Inventor
Dennis J. Wilwerding
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.)
Honeywell Inc
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
Application filed by Honeywell Inc filed Critical Honeywell Inc
Application granted granted Critical
Publication of CA953773A publication Critical patent/CA953773A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/30—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp
    • H05B41/32—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp for single flash operation
    • H05B41/325—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp for single flash operation by measuring the incident light
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/30—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp
    • H05B41/32—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp for single flash operation
CA135,498A 1971-04-15 1972-02-24 Light sensor with false quench inhibit circuit and temperature compensation Expired CA953773A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13421471A 1971-04-15 1971-04-15

Publications (1)

Publication Number Publication Date
CA953773A true CA953773A (en) 1974-08-27

Family

ID=22462281

Family Applications (1)

Application Number Title Priority Date Filing Date
CA135,498A Expired CA953773A (en) 1971-04-15 1972-02-24 Light sensor with false quench inhibit circuit and temperature compensation

Country Status (4)

Country Link
US (1) US3793556A (en)
CA (1) CA953773A (en)
DE (1) DE2217270A1 (en)
GB (1) GB1343563A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3914647A (en) * 1974-03-29 1975-10-21 Honeywell Inc Light sensor for use with electronic flash units
US4085353A (en) * 1976-03-11 1978-04-18 Rollei Of America, Inc. Remote sensor trigger circuit
EP1727400A1 (en) * 2001-05-02 2006-11-29 Fuji Photo Film Co., Ltd. Flash device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3591829A (en) * 1967-04-20 1971-07-06 Minolta Camera Kk Automatic control device for electronic flash
DE1772129A1 (en) * 1968-04-03 1971-11-11 Bosch Elektronik Gmbh Electronic flash unit
US3519879A (en) * 1968-07-25 1970-07-07 Honeywell Inc Flash apparatus with automatic light termination having gating and anticipation means

Also Published As

Publication number Publication date
GB1343563A (en) 1974-01-10
DE2217270A1 (en) 1972-10-26
US3793556A (en) 1974-02-19

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