GB1397038A - Electronic flash gun - Google Patents

Electronic flash gun

Info

Publication number
GB1397038A
GB1397038A GB4308073A GB4308073A GB1397038A GB 1397038 A GB1397038 A GB 1397038A GB 4308073 A GB4308073 A GB 4308073A GB 4308073 A GB4308073 A GB 4308073A GB 1397038 A GB1397038 A GB 1397038A
Authority
GB
United Kingdom
Prior art keywords
switch
voltage
tube
flash
source
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
GB4308073A
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.)
Rollei Werke Franke und Heidecke GmbH and Co KG
Original Assignee
Rollei Werke Franke und Heidecke GmbH and Co KG
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 Rollei Werke Franke und Heidecke GmbH and Co KG filed Critical Rollei Werke Franke und Heidecke GmbH and Co KG
Publication of GB1397038A publication Critical patent/GB1397038A/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
    • H05B41/32—Circuit 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)
  • Stroboscope Apparatuses (AREA)
  • Rectifiers (AREA)
GB4308073A 1972-09-25 1973-09-13 Electronic flash gun Expired GB1397038A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722246974 DE2246974A1 (de) 1972-09-25 1972-09-25 Elektronische blitzleuchte

Publications (1)

Publication Number Publication Date
GB1397038A true GB1397038A (en) 1975-06-11

Family

ID=5857311

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4308073A Expired GB1397038A (en) 1972-09-25 1973-09-13 Electronic flash gun

Country Status (6)

Country Link
JP (1) JPS4970138A (enrdf_load_stackoverflow)
CH (1) CH559498A5 (enrdf_load_stackoverflow)
DE (1) DE2246974A1 (enrdf_load_stackoverflow)
FR (1) FR2200724B3 (enrdf_load_stackoverflow)
GB (1) GB1397038A (enrdf_load_stackoverflow)
NL (1) NL7312993A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0035224A1 (en) * 1980-02-29 1981-09-09 Olympus Optical Co., Ltd. Electronic flash apparatus

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5621465Y2 (enrdf_load_stackoverflow) * 1976-01-09 1981-05-21
US4613847A (en) * 1983-08-08 1986-09-23 Life Light Systems Emergency signal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0035224A1 (en) * 1980-02-29 1981-09-09 Olympus Optical Co., Ltd. Electronic flash apparatus

Also Published As

Publication number Publication date
CH559498A5 (enrdf_load_stackoverflow) 1975-02-28
NL7312993A (enrdf_load_stackoverflow) 1974-03-27
FR2200724B3 (enrdf_load_stackoverflow) 1976-08-20
FR2200724A1 (enrdf_load_stackoverflow) 1974-04-19
DE2246974A1 (de) 1974-04-11
JPS4970138A (enrdf_load_stackoverflow) 1974-07-06

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees