CH537594A - Exposure device with a flash lamp - Google Patents

Exposure device with a flash lamp

Info

Publication number
CH537594A
CH537594A CH818270A CH818270A CH537594A CH 537594 A CH537594 A CH 537594A CH 818270 A CH818270 A CH 818270A CH 818270 A CH818270 A CH 818270A CH 537594 A CH537594 A CH 537594A
Authority
CH
Switzerland
Prior art keywords
exposure device
flash lamp
flash
lamp
exposure
Prior art date
Application number
CH818270A
Other languages
German (de)
Inventor
Exner Emil
Zierau Henning
Dennewitz Rolf-Dieter
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH537594A publication Critical patent/CH537594A/en

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
CH818270A 1969-06-03 1970-06-01 Exposure device with a flash lamp CH537594A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691928157 DE1928157A1 (en) 1969-06-03 1969-06-03 Circuit arrangement for electronic flash units with useful flash duration regulated as a function of the amount of reflected light

Publications (1)

Publication Number Publication Date
CH537594A true CH537594A (en) 1973-05-31

Family

ID=5735916

Family Applications (1)

Application Number Title Priority Date Filing Date
CH818270A CH537594A (en) 1969-06-03 1970-06-01 Exposure device with a flash lamp

Country Status (9)

Country Link
US (1) US3662213A (en)
JP (1) JPS493582B1 (en)
BE (1) BE751424A (en)
CH (1) CH537594A (en)
DE (1) DE1928157A1 (en)
FR (1) FR2045812A1 (en)
GB (1) GB1307244A (en)
NL (1) NL7007869A (en)
SE (1) SE359999B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3787704A (en) * 1970-02-20 1974-01-22 Loewe Opta Gmbh Electronic flash unit with controlled light energy
US3737721A (en) * 1971-01-22 1973-06-05 Honeywell Inc Computer flash with remote sensor and two-wire control of flash firing and quench
DE2422237B2 (en) * 1974-05-08 1977-08-18 Braun Ag, 6000 Frankfurt LIGHT CONTROLLED FLASHING DEVICE
SE387497B (en) * 1975-06-19 1976-09-06 Ericsson Telefon Ab L M PULSE GENERATOR
DE4029203C2 (en) * 1990-09-14 1995-04-20 Hella Kg Hueck & Co Arc extinguishing device for flashes for aircraft
KR20020024552A (en) * 2000-09-25 2002-03-30 무네유키 가코우 Flash device, lens-fitted photo film unit, camera, and producing method for the same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3293449A (en) * 1963-06-24 1966-12-20 Gen Electric Solid state thyratron replacement
US3509422A (en) * 1967-10-31 1970-04-28 Research Corp Automatic photographic fill-in flash circuit
DE1764204B1 (en) * 1968-04-23 1972-01-05 Bosch Photokino Gmbh ELECTRONIC BLOCKING UNIT

Also Published As

Publication number Publication date
NL7007869A (en) 1970-12-07
FR2045812A1 (en) 1971-03-05
JPS493582B1 (en) 1974-01-26
SE359999B (en) 1973-09-10
DE1928157A1 (en) 1970-12-10
BE751424A (en) 1970-12-03
GB1307244A (en) 1973-02-14
US3662213A (en) 1972-05-09

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Legal Events

Date Code Title Description
PL Patent ceased