GB1251701A - - Google Patents

Info

Publication number
GB1251701A
GB1251701A GB1251701DA GB1251701A GB 1251701 A GB1251701 A GB 1251701A GB 1251701D A GB1251701D A GB 1251701DA GB 1251701 A GB1251701 A GB 1251701A
Authority
GB
United Kingdom
Prior art keywords
capacitor
lamp
glow lamp
transistor
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
Other languages
English (en)
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 filed Critical
Publication of GB1251701A publication Critical patent/GB1251701A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14Circuit arrangements
    • H05B41/30Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp
    • H05B41/32Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp for single flash operation

Landscapes

  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
GB1251701D 1968-02-23 1969-02-07 Expired GB1251701A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1338668 1968-02-23

Publications (1)

Publication Number Publication Date
GB1251701A true GB1251701A (de) 1971-10-27

Family

ID=11831638

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1251701D Expired GB1251701A (de) 1968-02-23 1969-02-07

Country Status (2)

Country Link
US (1) US3586906A (de)
GB (1) GB1251701A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2419645A1 (fr) * 1978-03-06 1979-10-05 Balda Werke Photographische Lampe eclair electronique a lampe a effluves de controle de charge
EP0135756A1 (de) * 1983-08-08 1985-04-03 Life Light Systems Hochspannungs-Blitzleuchtenansteuerschaltung und Notsignal

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3780344A (en) * 1971-09-07 1973-12-18 Gte Sylvania Inc Charge regulating circuit for flash lamp storage capacitor
US3993929A (en) * 1975-12-19 1976-11-23 Honeywell Inc. Automatic correct exposure indicator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2419645A1 (fr) * 1978-03-06 1979-10-05 Balda Werke Photographische Lampe eclair electronique a lampe a effluves de controle de charge
EP0135756A1 (de) * 1983-08-08 1985-04-03 Life Light Systems Hochspannungs-Blitzleuchtenansteuerschaltung und Notsignal

Also Published As

Publication number Publication date
US3586906A (en) 1971-06-22

Similar Documents

Publication Publication Date Title
GB1408710A (en) Photographic electronic flash apparatus
US3758817A (en) Flash apparatus with automatic light termination using a number of storage capacitors
JPS54128734A (en) Flash discharger enabled to effect preparatory flash
GB1251701A (de)
US3027491A (en) Lamp control circuit
GB1345408A (en) Flash discharge lamp for photographic use
GB1276975A (en) Improved lighting system for gaseous-discharge lamps
JPS5638031A (en) Automatic dimming electronic flash device
ES356518A1 (es) Un dispositivo para encender una lampara de descarga de gasyno vapor.
ES453250A1 (es) Dispositivo indicador electronico de carga de una bateria.
GB1328553A (en) Electronic flash tube
JPS5348727A (en) Discharge flash device
JPS52147428A (en) Control device for flash discharge lamp
GB1193506A (en) Improved Sensitometer
ES436274A1 (es) Sistema de conexiones para la generacion de chispas de en- cendido.
JPS5298372A (en) Power distribution system for discharge lamp series burning
GB1416915A (en) Dimmer control circuit for lighting
US3244892A (en) Light sensitive lamp control circuit
JPS5382070A (en) Discharge lamp lighting apparatus
JPS5312177A (en) Device for starting discharge lamp
GB1130640A (en) Improvements in universal lamp control circuits
JPS5447378A (en) Discharge lamp lighting apparatus
JPS5535368A (en) Control device for continuous emission of strobe
GB1412370A (en) Photographic enlargement apparatus
JPS55103540A (en) Automatic dimming electronic flash device

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee