FR2143076B1 - - Google Patents

Info

Publication number
FR2143076B1
FR2143076B1 FR7222046A FR7222046A FR2143076B1 FR 2143076 B1 FR2143076 B1 FR 2143076B1 FR 7222046 A FR7222046 A FR 7222046A FR 7222046 A FR7222046 A FR 7222046A FR 2143076 B1 FR2143076 B1 FR 2143076B1
Authority
FR
France
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
FR7222046A
Other versions
FR2143076A1 (fr
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.)
Braun GmbH
Original Assignee
Braun GmbH
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 Braun GmbH filed Critical Braun GmbH
Publication of FR2143076A1 publication Critical patent/FR2143076A1/fr
Application granted granted Critical
Publication of FR2143076B1 publication Critical patent/FR2143076B1/fr
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
FR7222046A 1971-06-23 1972-06-19 Expired FR2143076B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2131057A DE2131057B2 (de) 1971-06-23 1971-06-23 Schaltsichere Lichtmengensteuerung in einem Elektronenblitzgerät

Publications (2)

Publication Number Publication Date
FR2143076A1 FR2143076A1 (fr) 1973-02-02
FR2143076B1 true FR2143076B1 (fr) 1977-12-23

Family

ID=5811514

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7222046A Expired FR2143076B1 (fr) 1971-06-23 1972-06-19

Country Status (13)

Country Link
US (1) US3809954A (fr)
AT (1) AT324834B (fr)
BE (1) BE785101A (fr)
CA (1) CA1008917A (fr)
CH (1) CH553994A (fr)
DD (1) DD99862A5 (fr)
DE (1) DE2131057B2 (fr)
ES (1) ES404013A1 (fr)
FR (1) FR2143076B1 (fr)
GB (1) GB1376252A (fr)
IT (1) IT959477B (fr)
NL (1) NL7208351A (fr)
SE (1) SE384965B (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2316724A1 (de) * 1973-04-04 1974-10-17 Rollei Werke Franke Heidecke Steuerschaltung fuer elektronenblitzgeraete
JPS506635U (fr) * 1973-05-17 1975-01-23
DE2417673A1 (de) * 1974-04-11 1975-10-30 Rollei Werke Franke Heidecke Blitzlichtanordnung
US3919594A (en) * 1974-06-18 1975-11-11 Braun Ag Computer flash apparatus with series-connected control switches
US3969737A (en) * 1974-08-01 1976-07-13 Eastman Kodak Company Electronic flash unit for cameras adapted to receive flashbulbs
DE2445667C3 (de) * 1974-09-25 1981-12-10 Braun Ag, 6000 Frankfurt Schaltungsanordnung zum Zünden einer elektronischen Blitzröhre
US4091398A (en) * 1975-01-31 1978-05-23 Nippon Kogaku K.K. Electronic photoflash unit having remote control device transmitter function
JPS5196321A (en) * 1975-02-21 1976-08-24 Supiidoraitono torigaakairo
US3976915A (en) * 1975-05-27 1976-08-24 Honeywell Inc. Gate protection circuit for electronic flash apparatus
US3976914A (en) * 1975-05-27 1976-08-24 Honeywell Inc. Series SCR gate hold-on circuit
US3974419A (en) * 1975-05-27 1976-08-10 Honeywell Inc. Electronic flash apparatus with inhibition of contact bounce false triggering
US3993928A (en) * 1975-12-19 1976-11-23 Honeywell Inc. Extended range correct exposure annunciator
DE2625845C3 (de) * 1976-06-09 1978-11-09 Siemens Ag, 1000 Berlin Und 8000 Muenchen Zündschaltung für Quenchröhren in elektronischen Blitzgeräten
JPS52156618A (en) * 1976-06-23 1977-12-27 Nippon Chemical Ind Flash camera controller
US4132923A (en) * 1976-07-01 1979-01-02 Braun Aktiengesellschaft Circuit for light-integrator-controlled electronic flash unit
JPS5421070A (en) * 1977-07-18 1979-02-16 West Electric Co Electronic flashing device
JPS5533152A (en) * 1978-08-30 1980-03-08 Minolta Camera Co Ltd Shutter control system of electric shutter camera
JPS55134823A (en) * 1979-04-06 1980-10-21 Olympus Optical Co Ltd Strobe light emission control system
JPS5645826U (fr) * 1979-09-11 1981-04-24

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3646865A (en) * 1969-11-07 1972-03-07 Polaroid Corp Electronic flashlamp control network

Also Published As

Publication number Publication date
CA1008917A (en) 1977-04-19
DE2131057A1 (de) 1972-12-28
US3809954A (en) 1974-05-07
CH553994A (de) 1974-09-13
DD99862A5 (fr) 1973-08-20
FR2143076A1 (fr) 1973-02-02
SE384965B (sv) 1976-05-24
ES404013A1 (es) 1975-05-01
AT324834B (de) 1975-09-25
GB1376252A (en) 1974-12-04
NL7208351A (fr) 1972-12-28
DE2131057B2 (de) 1973-10-18
BE785101A (fr) 1972-10-16
IT959477B (it) 1973-11-10

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse