GB1524201A - Flash firing mechanism - Google Patents

Flash firing mechanism

Info

Publication number
GB1524201A
GB1524201A GB36307/75A GB3630775A GB1524201A GB 1524201 A GB1524201 A GB 1524201A GB 36307/75 A GB36307/75 A GB 36307/75A GB 3630775 A GB3630775 A GB 3630775A GB 1524201 A GB1524201 A GB 1524201A
Authority
GB
United Kingdom
Prior art keywords
flash
camera
piezo
sept
inductor
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
GB36307/75A
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of GB1524201A publication Critical patent/GB1524201A/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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene
    • G03B15/03—Combinations of cameras with lighting apparatus; Flash units
    • G03B15/04—Combinations of cameras with non-electronic flash apparatus; Non-electronic flash units
    • G03B15/0452—Electrical ignition means connected to the shutter
    • G03B15/0463—Piezoelectric ignition mechanisms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stroboscope Apparatuses (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
GB36307/75A 1974-09-03 1975-09-03 Flash firing mechanism Expired GB1524201A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US50268674A 1974-09-03 1974-09-03

Publications (1)

Publication Number Publication Date
GB1524201A true GB1524201A (en) 1978-09-06

Family

ID=23998921

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36307/75A Expired GB1524201A (en) 1974-09-03 1975-09-03 Flash firing mechanism

Country Status (7)

Country Link
JP (1) JPS5413777B2 (enExample)
CA (1) CA1053320A (enExample)
DE (1) DE2539032C3 (enExample)
FR (1) FR2284135A1 (enExample)
GB (1) GB1524201A (enExample)
HK (1) HK41580A (enExample)
MY (1) MY8100139A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115264527A (zh) * 2022-07-27 2022-11-01 南京理工大学 一种便携式的光致点火装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4530550A (en) * 1982-09-13 1985-07-23 Olympus Optical Company Ltd. Power supply unit for electronic flash
US7049760B2 (en) * 2004-07-23 2006-05-23 Eastman Kodak Company Camera flash circuit using a piezoelectric transformer to trigger firing of the camera flash tube
DE102014105300A1 (de) 2014-03-12 2015-09-17 Von Ardenne Gmbh Prozessieranordnung und Verfahren zum Betreiben einer Prozessieranordnung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115264527A (zh) * 2022-07-27 2022-11-01 南京理工大学 一种便携式的光致点火装置
CN115264527B (zh) * 2022-07-27 2024-04-09 南京理工大学 一种便携式的光致点火装置

Also Published As

Publication number Publication date
FR2284135B1 (enExample) 1978-04-07
JPS5413777B2 (enExample) 1979-06-02
DE2539032C3 (de) 1978-07-20
CA1053320A (en) 1979-04-24
JPS5152822A (enExample) 1976-05-10
MY8100139A (en) 1981-12-31
DE2539032A1 (de) 1976-03-11
FR2284135A1 (fr) 1976-04-02
HK41580A (en) 1980-08-15
DE2539032B2 (de) 1977-12-08

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Legal Events

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