GB2270751B - Strobe emission apparatus and still video camera - Google Patents

Strobe emission apparatus and still video camera

Info

Publication number
GB2270751B
GB2270751B GB9318062A GB9318062A GB2270751B GB 2270751 B GB2270751 B GB 2270751B GB 9318062 A GB9318062 A GB 9318062A GB 9318062 A GB9318062 A GB 9318062A GB 2270751 B GB2270751 B GB 2270751B
Authority
GB
United Kingdom
Prior art keywords
video camera
still video
emission apparatus
strobe emission
strobe
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 - Fee Related
Application number
GB9318062A
Other versions
GB9318062D0 (en
GB2270751A (en
Inventor
Harumi Aoki
Kimiaki Ogawa
Tahei Morisawa
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo Co Ltd
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
Priority claimed from JP02368393A external-priority patent/JP3193504B2/en
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Priority to GB9625580A priority Critical patent/GB2305260B/en
Priority to GB9625578A priority patent/GB2305312B/en
Publication of GB9318062D0 publication Critical patent/GB9318062D0/en
Publication of GB2270751A publication Critical patent/GB2270751A/en
Application granted granted Critical
Publication of GB2270751B publication Critical patent/GB2270751B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
    • H04N23/88—Camera processing pipelines; Components thereof for processing colour signals for colour balance, e.g. white-balance circuits or colour temperature control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H04N5/77—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera
    • H04N5/772—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera the recording apparatus and the television camera being placed in the same enclosure
    • 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
    • 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
    • G03B2215/0589—Diffusors, filters or refraction means
    • G03B2215/0592—Diffusors, filters or refraction means installed in front of light emitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/781—Television signal recording using magnetic recording on disks or drums
GB9318062A 1992-08-28 1993-08-31 Strobe emission apparatus and still video camera Expired - Fee Related GB2270751B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9625580A GB2305260B (en) 1992-08-28 1993-08-31 Strobe emission apparatus and still video camera
GB9625578A GB2305312B (en) 1992-08-28 1993-08-31 Strobe emission apparatus and still video camera

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP25395592 1992-08-28
JP33971892 1992-11-26
JP02368393A JP3193504B2 (en) 1993-01-19 1993-01-19 Strobe light emitting device and still video camera
JP2368493 1993-01-19
JP4585493 1993-02-10
JP5295893 1993-02-18
JP5501393 1993-02-19
JP5650593 1993-02-22
JP5955693 1993-02-24

Publications (3)

Publication Number Publication Date
GB9318062D0 GB9318062D0 (en) 1993-10-20
GB2270751A GB2270751A (en) 1994-03-23
GB2270751B true GB2270751B (en) 1997-04-09

Family

ID=39020761

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9318062A Expired - Fee Related GB2270751B (en) 1992-08-28 1993-08-31 Strobe emission apparatus and still video camera

Country Status (3)

Country Link
DE (1) DE4328949A1 (en)
FR (1) FR2695217B1 (en)
GB (1) GB2270751B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0150056B1 (en) * 1994-08-12 1998-12-01 이대원 Camera having ability of color correcting
DE102007042573A1 (en) * 2007-09-07 2009-03-12 Osram Opto Semiconductors Gmbh Optical lighting device for use in optical recording device e.g. video camera, has control unit adjusting spectral characteristic of light emitted by light source based on determined spectral characteristic of environment light
US9420675B2 (en) 2013-02-13 2016-08-16 Profoto Ab Driver circuit for a flash tube

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4853600A (en) * 1986-04-11 1989-08-01 Urs Zeltner Flash apparatus with color temperature control
GB2225106A (en) * 1988-09-30 1990-05-23 Bron Elektronik Ag Colour temperature measurement for photography
EP0372494A2 (en) * 1988-12-05 1990-06-13 Eastman Kodak Company Constant color temperature and intensity illumination source
EP0375963A2 (en) * 1988-12-27 1990-07-04 Polaroid Corporation Variable color-output strobe
GB2226925A (en) * 1988-12-12 1990-07-11 Samsung Electronics Co Ltd Automatic optical filter displacing circuit for optimizing the white balance of video cameras
US5001552A (en) * 1986-09-24 1991-03-19 Canon Kabushiki Kaisha White balance correction using prestored flash lamp color temperature data
GB2236918A (en) * 1989-09-27 1991-04-17 Bron Elektronik Ag Lighting or flash device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58149033A (en) * 1982-03-02 1983-09-05 Minolta Camera Co Ltd Flash emitting device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4853600A (en) * 1986-04-11 1989-08-01 Urs Zeltner Flash apparatus with color temperature control
US5001552A (en) * 1986-09-24 1991-03-19 Canon Kabushiki Kaisha White balance correction using prestored flash lamp color temperature data
GB2225106A (en) * 1988-09-30 1990-05-23 Bron Elektronik Ag Colour temperature measurement for photography
EP0372494A2 (en) * 1988-12-05 1990-06-13 Eastman Kodak Company Constant color temperature and intensity illumination source
GB2226925A (en) * 1988-12-12 1990-07-11 Samsung Electronics Co Ltd Automatic optical filter displacing circuit for optimizing the white balance of video cameras
EP0375963A2 (en) * 1988-12-27 1990-07-04 Polaroid Corporation Variable color-output strobe
GB2236918A (en) * 1989-09-27 1991-04-17 Bron Elektronik Ag Lighting or flash device

Also Published As

Publication number Publication date
DE4328949A1 (en) 1994-04-14
GB9318062D0 (en) 1993-10-20
FR2695217B1 (en) 1995-06-02
GB2270751A (en) 1994-03-23
FR2695217A1 (en) 1994-03-04

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20070831