GB1541502A – Electronic flash
– Google Patents
GB1541502A – Electronic flash
– Google Patents
Electronic flash
Info
Publication number
GB1541502A
GB1541502A
GB12321/76A
GB1232176A
GB1541502A
GB 1541502 A
GB1541502 A
GB 1541502A
GB 12321/76 A
GB12321/76 A
GB 12321/76A
GB 1232176 A
GB1232176 A
GB 1232176A
GB 1541502 A
GB1541502 A
GB 1541502A
Authority
GB
United Kingdom
Prior art keywords
electronic flash
flash
electronic
Prior art date
1975-03-27
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
GB12321/76A
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.)
Agfa Gevaert AG
Original Assignee
Agfa Gevaert AG
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.)
1975-03-27
Filing date
1976-03-26
Publication date
1979-03-07
1976-03-26
Application filed by Agfa Gevaert AG
filed
Critical
Agfa Gevaert AG
1979-03-07
Publication of GB1541502A
publication
Critical
patent/GB1541502A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
G03B15/05—Combinations of cameras with electronic flash apparatus; Electronic flash units
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
G03B2215/00—Special procedures for taking photographs; Apparatus therefor
G03B2215/05—Combinations of cameras with electronic flash units
G03B2215/0514—Separate unit
G03B2215/056—Connection with camera, e.g. adapter
GB12321/76A
1975-03-27
1976-03-26
Electronic flash
Expired
GB1541502A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
DE19752513812
DE2513812B1
(en)
1975-03-27
1975-03-27
DEVICE FOR SYNCHRONOUSLY IGNITING AN ELECTRONIC FLASH DEVICE
Publications (1)
Publication Number
Publication Date
GB1541502A
true
GB1541502A
(en)
1979-03-07
Family
ID=5942647
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB12321/76A
Expired
GB1541502A
(en)
1975-03-27
1976-03-26
Electronic flash
Country Status (8)
Country
Link
US
(1)
US4067028A
(en)
JP
(1)
JPS51120721A
(en)
BE
(1)
BE839853A
(en)
CH
(1)
CH596568A5
(en)
DE
(1)
DE2513812B1
(en)
GB
(1)
GB1541502A
(en)
HK
(1)
HK66579A
(en)
NL
(1)
NL7603024A
(en)
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2234869A
(en)
*
1989-05-24
1991-02-13
Stephen Roger Wakefield
Improved electrical switching system
Families Citing this family (10)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4323822A
(en)
*
1977-09-25
1982-04-06
Fuji Koeki Corporation
Electric flash device
JPS55141970A
(en)
*
1979-04-21
1980-11-06
Yoshiyuki Takematsu
Power supply device
JPS56128629U
(en)
*
1980-02-29
1981-09-30
US4693582A
(en)
*
1982-02-02
1987-09-15
Canon Kabushiki Kaisha
Auxiliary light source for camera having automatic focusing device
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
US6150770A
(en)
*
1998-02-25
2000-11-21
Canon Kabushiki Kaisha
Flash apparatus
US6564015B2
(en)
*
2000-10-30
2003-05-13
Taiheiyo Cement Corporation
Electronic flash device
US9093573B2
(en)
2013-09-09
2015-07-28
Semiconductor Components Industries, Llc
Image sensor including temperature sensor and electronic shutter function
US9574951B2
(en)
2013-09-09
2017-02-21
Semiconductor Components Industries, Llc
Image sensor including temperature sensor and electronic shutter function
Family Cites Families (5)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US3417297A
(en)
*
1966-10-31
1968-12-17
Gen Time Corp
Electronic timer circuits
US3559548A
(en)
*
1967-06-19
1971-02-02
Perfect Film & Chem Corp
Time-delay means for rechargeable stroboscopic flash attachment
US3712197A
(en)
*
1969-11-08
1973-01-23
Agfa Gevaert Ag
Illuminating arrangement for use in or with photographic apparatus
US3896459A
(en)
*
1974-05-29
1975-07-22
Honeywell Inc
Control circuit for an automatic photographic camera
US3969737A
(en)
*
1974-08-01
1976-07-13
Eastman Kodak Company
Electronic flash unit for cameras adapted to receive flashbulbs
1975
1975-03-27
DE
DE19752513812
patent/DE2513812B1/en
not_active
Ceased
1976
1976-03-05
CH
CH274376A
patent/CH596568A5/xx
not_active
IP Right Cessation
1976-03-15
US
US05/666,658
patent/US4067028A/en
not_active
Expired – Lifetime
1976-03-22
BE
BE1007272A
patent/BE839853A/en
unknown
1976-03-23
NL
NL7603024A
patent/NL7603024A/en
not_active
Application Discontinuation
1976-03-26
GB
GB12321/76A
patent/GB1541502A/en
not_active
Expired
1976-03-26
JP
JP51034120A
patent/JPS51120721A/en
active
Granted
1979
1979-09-20
HK
HK665/79A
patent/HK66579A/en
unknown
Cited By (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2234869A
(en)
*
1989-05-24
1991-02-13
Stephen Roger Wakefield
Improved electrical switching system
GB2234869B
(en)
*
1989-05-24
1994-02-16
Stephen Roger Wakefield
Improved electrical switching system
Also Published As
Publication number
Publication date
US4067028A
(en)
1978-01-03
HK66579A
(en)
1979-09-28
DE2513812B1
(en)
1976-09-30
JPS51120721A
(en)
1976-10-22
BE839853A
(en)
1976-09-22
JPS5413778B2
(en)
1979-06-02
CH596568A5
(en)
1978-03-15
NL7603024A
(en)
1976-08-31
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Legal Events
Date
Code
Title
Description
1979-05-23
PS
Patent sealed [section 19, patents act 1949]
1983-11-16
PCNP
Patent ceased through non-payment of renewal fee
