FR2235569B1 - - Google Patents

Info

Publication number
FR2235569B1
FR2235569B1 FR7416716A FR7416716A FR2235569B1 FR 2235569 B1 FR2235569 B1 FR 2235569B1 FR 7416716 A FR7416716 A FR 7416716A FR 7416716 A FR7416716 A FR 7416716A FR 2235569 B1 FR2235569 B1 FR 2235569B1
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
FR7416716A
Other languages
French (fr)
Other versions
FR2235569A1 (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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2235569A1 publication Critical patent/FR2235569A1/fr
Application granted granted Critical
Publication of FR2235569B1 publication Critical patent/FR2235569B1/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
FR7416716A 1973-06-26 1974-05-07 Expired FR2235569B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US373848A US3882358A (en) 1973-06-26 1973-06-26 Anti-holdover charging circuit for flash lamp

Publications (2)

Publication Number Publication Date
FR2235569A1 FR2235569A1 (en) 1975-01-24
FR2235569B1 true FR2235569B1 (en) 1977-10-28

Family

ID=23474140

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7416716A Expired FR2235569B1 (en) 1973-06-26 1974-05-07

Country Status (4)

Country Link
US (1) US3882358A (en)
DE (1) DE2422201A1 (en)
FR (1) FR2235569B1 (en)
GB (1) GB1434463A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4054815A (en) * 1975-04-15 1977-10-18 Siemens Aktiengesellschaft Circuit arrangement for igniting a gas discharge flash tube
US4082983A (en) * 1975-06-23 1978-04-04 Rollei Of America, Inc. Capacitor charging system for electronic flash apparatus
DE2608652C2 (en) * 1976-03-03 1983-08-25 Robert Bosch Gmbh, 7000 Stuttgart Circuit arrangement for light quantity-controlled electronic flash units
NO145320C (en) * 1980-01-11 1982-02-24 Julius Hartai INDICATORS DEVICE.
US5574337A (en) * 1994-06-30 1996-11-12 Eastman Kodak Company Single touch flash charger control
US5634153A (en) * 1995-12-21 1997-05-27 Eastman Kodak Company Static immunity for single touch flash charger control

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3098947A (en) * 1960-05-02 1963-07-23 American Speedlight Corp Electrical systems including capacitors
US3375403A (en) * 1965-10-04 1968-03-26 Berkey Photo Inc Electrical system for discharge device
JPS5419778B1 (en) * 1971-06-18 1979-07-18
US3764849A (en) * 1972-03-24 1973-10-09 Minolta Camera Kk Electronic flash charging and triggering circuitry

Also Published As

Publication number Publication date
DE2422201A1 (en) 1975-01-16
GB1434463A (en) 1976-05-05
US3882358A (en) 1975-05-06
FR2235569A1 (en) 1975-01-24

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Legal Events

Date Code Title Description
ST Notification of lapse