GB9206650D0 - Automatic iris adjusting apparatus - Google Patents

Automatic iris adjusting apparatus

Info

Publication number
GB9206650D0
GB9206650D0 GB929206650A GB9206650A GB9206650D0 GB 9206650 D0 GB9206650 D0 GB 9206650D0 GB 929206650 A GB929206650 A GB 929206650A GB 9206650 A GB9206650 A GB 9206650A GB 9206650 D0 GB9206650 D0 GB 9206650D0
Authority
GB
United Kingdom
Prior art keywords
adjusting apparatus
automatic iris
iris adjusting
automatic
iris
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.)
Withdrawn
Application number
GB929206650A
Other versions
GB2256990A (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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics 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
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of GB9206650D0 publication Critical patent/GB9206650D0/en
Publication of GB2256990A publication Critical patent/GB2256990A/en
Withdrawn legal-status Critical Current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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • 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
    • H04N23/71—Circuitry for evaluating the brightness variation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Studio Devices (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
GB9206650A 1991-06-19 1992-03-26 Television camera automatic iris adjustable apparatus Withdrawn GB2256990A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR9110323A KR930003305B1 (en) 1991-06-19 1991-06-19 Iris controlling circuit

Publications (2)

Publication Number Publication Date
GB9206650D0 true GB9206650D0 (en) 1992-05-06
GB2256990A GB2256990A (en) 1992-12-23

Family

ID=19316099

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9206650A Withdrawn GB2256990A (en) 1991-06-19 1992-03-26 Television camera automatic iris adjustable apparatus

Country Status (4)

Country Link
JP (1) JPH05167917A (en)
KR (1) KR930003305B1 (en)
DE (1) DE4212515A1 (en)
GB (1) GB2256990A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0142290B1 (en) * 1993-11-24 1998-06-15 김광호 Image improving method and its circuits
NZ513710A (en) * 2001-08-22 2003-02-28 Cardax Internat Ltd Metering system
DE102004047476B4 (en) * 2004-09-30 2014-05-08 Robert Bosch Gmbh Device and method for adjusting a camera

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3555181A (en) * 1968-06-05 1971-01-12 Bell Telephone Labor Inc Automatic video level control employing iris and amplifier gain adjustments
JPS56119820A (en) * 1980-02-27 1981-09-19 Canon Inc Photometric system
JPS5741079A (en) * 1980-08-26 1982-03-06 Asahi Optical Co Ltd Automatic television camera exposure device by division of picture
JPS5783971A (en) * 1980-11-13 1982-05-26 Asahi Optical Co Ltd Spot exposure control circuit
GB2219461B (en) * 1988-05-02 1992-11-18 Canon Kk Exposure control device
KR910008286Y1 (en) * 1988-07-12 1991-10-15 삼성전자 주식회사 Auto-exposure control circuit of video camera
JPH02274073A (en) * 1989-04-14 1990-11-08 Fuji Photo Film Co Ltd Exposure control method
US5049997A (en) * 1989-04-10 1991-09-17 Fuji Photo Film Co., Ltd. Video camera exposure control method and apparatus for preventing improper exposure due to changing object size or displacement and luminance difference between the object and background

Also Published As

Publication number Publication date
JPH05167917A (en) 1993-07-02
GB2256990A (en) 1992-12-23
KR930003305B1 (en) 1993-04-24
DE4212515A1 (en) 1992-12-24
KR930000999A (en) 1993-01-16

Similar Documents

Publication Publication Date Title
GB2255870B (en) Automatic focusing apparatus
GB2244417B (en) Automatic milking apparatus
EP0599339A3 (en) Automatic contrast adjusting device.
GB2240640B (en) An automatic control for water-heating apparatus
EP0526111A3 (en) Automatic sound controlling apparatus
EP0475017A3 (en) Controlling cable adjusting device
GB2272826B (en) Automatic milking apparatus
EP0645658A3 (en) Lens adjustment apparatus.
EP0471333A3 (en) Automatic setup apparatus
GB2241264B (en) Anti-blow-out control apparatus
EP0458299A3 (en) Automatic adjusting apparatus for equipment
EP0486322A3 (en) Automatic filter adjusting apparatus
EP0446036A3 (en) Control apparatus
EP0467685A3 (en) Automatic white-balance controlling apparatus
GB2277671B (en) Automatic milking apparatus
GB9007252D0 (en) Adjustment means
EP0456320A3 (en) Automatic focus control device
EP0512430A3 (en) Automatic focusing device
GB9206650D0 (en) Automatic iris adjusting apparatus
GB2250935B (en) Automatic sprayer apparatus
GB9008225D0 (en) Control apparatus
HUT66271A (en) Automatic wing-angle adjusting device for airsrows
GB2286497B (en) Automatic focusing apparatus
GB9113906D0 (en) Adjusting device
GB2244074B (en) Control apparatus

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)