FR2284135A1 - Lampe a eclair electronique declenchable par cristal piezo-electrique - Google Patents

Lampe a eclair electronique declenchable par cristal piezo-electrique

Info

Publication number
FR2284135A1
FR2284135A1 FR7526504A FR7526504A FR2284135A1 FR 2284135 A1 FR2284135 A1 FR 2284135A1 FR 7526504 A FR7526504 A FR 7526504A FR 7526504 A FR7526504 A FR 7526504A FR 2284135 A1 FR2284135 A1 FR 2284135A1
Authority
FR
France
Prior art keywords
piezo
light lamp
electric crystal
electronic light
released
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.)
Granted
Application number
FR7526504A
Other languages
English (en)
French (fr)
Other versions
FR2284135B1 (OSRAM
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 FR2284135A1 publication Critical patent/FR2284135A1/fr
Application granted granted Critical
Publication of FR2284135B1 publication Critical patent/FR2284135B1/fr
Granted 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)
FR7526504A 1974-09-03 1975-08-28 Lampe a eclair electronique declenchable par cristal piezo-electrique Granted FR2284135A1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2284135A1 true FR2284135A1 (fr) 1976-04-02
FR2284135B1 FR2284135B1 (OSRAM) 1978-04-07

Family

ID=23998921

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7526504A Granted FR2284135A1 (fr) 1974-09-03 1975-08-28 Lampe a eclair electronique declenchable par cristal piezo-electrique

Country Status (7)

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

Families Citing this family (4)

* 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
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
JPS5152822A (OSRAM) 1976-05-10
DE2539032B2 (de) 1977-12-08
HK41580A (en) 1980-08-15
FR2284135B1 (OSRAM) 1978-04-07
DE2539032C3 (de) 1978-07-20
MY8100139A (en) 1981-12-31
CA1053320A (en) 1979-04-24
JPS5413777B2 (OSRAM) 1979-06-02
GB1524201A (en) 1978-09-06
DE2539032A1 (de) 1976-03-11

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Legal Events

Date Code Title Description
ST Notification of lapse