GB1434463A - Flash lamp circuit - Google Patents

Flash lamp circuit

Info

Publication number
GB1434463A
GB1434463A GB2118474A GB2118474A GB1434463A GB 1434463 A GB1434463 A GB 1434463A GB 2118474 A GB2118474 A GB 2118474A GB 2118474 A GB2118474 A GB 2118474A GB 1434463 A GB1434463 A GB 1434463A
Authority
GB
United Kingdom
Prior art keywords
lamp
flash
capacitor
thyristor
flashing
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
GB2118474A
Other languages
English (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 GB1434463A publication Critical patent/GB1434463A/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

Landscapes

  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Lasers (AREA)
GB2118474A 1973-06-26 1974-05-14 Flash lamp circuit Expired GB1434463A (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 (1)

Publication Number Publication Date
GB1434463A true GB1434463A (en) 1976-05-05

Family

ID=23474140

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2118474A Expired GB1434463A (en) 1973-06-26 1974-05-14 Flash lamp circuit

Country Status (4)

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

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 (de) * 1976-03-03 1983-08-25 Robert Bosch Gmbh, 7000 Stuttgart Schaltungsanordnung für lichtmengengesteuerte Elektronenblitzgeräte
NO145320C (no) * 1980-01-11 1982-02-24 Julius Hartai Blinklysanordning.
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 (enrdf_load_stackoverflow) * 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
FR2235569A1 (enrdf_load_stackoverflow) 1975-01-24
DE2422201A1 (de) 1975-01-16
US3882358A (en) 1975-05-06
FR2235569B1 (enrdf_load_stackoverflow) 1977-10-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]