GB9111590D0 - An automatic gain control circuit for a video camera - Google Patents

An automatic gain control circuit for a video camera

Info

Publication number
GB9111590D0
GB9111590D0 GB919111590A GB9111590A GB9111590D0 GB 9111590 D0 GB9111590 D0 GB 9111590D0 GB 919111590 A GB919111590 A GB 919111590A GB 9111590 A GB9111590 A GB 9111590A GB 9111590 D0 GB9111590 D0 GB 9111590D0
Authority
GB
United Kingdom
Prior art keywords
control circuit
video camera
gain control
automatic gain
automatic
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Withdrawn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
GB919111590A
Other versions
GB2251352A (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 GB9111590D0 publication Critical patent/GB9111590D0/en
Publication of GB2251352A publication Critical patent/GB2251352A/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Withdrawn legal-status Critical Current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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/56—Accessories
    • 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
    • H04N23/72—Combination of two or more compensation controls

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Picture Signal Circuits (AREA)
  • Exposure Control For Cameras (AREA)
  • Microcomputers (AREA)
  • Color Television Image Signal Generators (AREA)
  • Studio Devices (AREA)
GB9111590A 1990-12-31 1991-05-30 An automatic gain control circuit for a video camera Withdrawn GB2251352A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900022689A KR920011063B1 (en) 1990-12-31 1990-12-31 Auto-gain control circuit for a camera

Publications (2)

Publication Number Publication Date
GB9111590D0 true GB9111590D0 (en) 1991-07-24
GB2251352A GB2251352A (en) 1992-07-01

Family

ID=19309146

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9111590A Withdrawn GB2251352A (en) 1990-12-31 1991-05-30 An automatic gain control circuit for a video camera

Country Status (5)

Country Link
JP (1) JPH04309080A (en)
KR (1) KR920011063B1 (en)
DE (1) DE4117325A1 (en)
FR (1) FR2671254A1 (en)
GB (1) GB2251352A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100191308B1 (en) * 1995-08-23 1999-06-15 윤종용 Iris control method and apparatus corresponding to luminance change
ES2520715T3 (en) 2006-10-13 2014-11-11 Gentherm Incorporated Air-conditioned bed
WO2009036077A1 (en) 2007-09-10 2009-03-19 Amerigon, Inc. Operational control schemes for ventilated seat or bed assemblies
US9125497B2 (en) 2007-10-15 2015-09-08 Gentherm Incorporated Climate controlled bed assembly with intermediate layer
EP2341800B8 (en) 2008-07-18 2012-12-26 Gentherm Incorporated Climate controlled bed assembly
US8893329B2 (en) 2009-05-06 2014-11-25 Gentherm Incorporated Control schemes and features for climate-controlled beds
US8332975B2 (en) 2009-08-31 2012-12-18 Gentherm Incorporated Climate-controlled topper member for medical beds

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56104579A (en) * 1980-01-23 1981-08-20 Nec Corp Television camera device
JPS56153327A (en) * 1980-04-28 1981-11-27 Olympus Optical Co Ltd Iris servo device
JPS5797275A (en) * 1980-12-08 1982-06-16 Sony Corp Television camera
JPH0786630B2 (en) * 1986-12-26 1995-09-20 富士写真フイルム株式会社 Aperture drive control method for electronic still camera
JPS6489884A (en) * 1987-09-30 1989-04-05 Sony Corp White balance correction circuit
JPH031772A (en) * 1989-05-30 1991-01-08 Sony Corp Image pickup device
FR2658686B1 (en) * 1990-02-16 1992-06-19 Izs METHOD FOR AUTOMATIC REGULATION OF A LOAD-COUPLED CAMERA AND CAMERA FOR ITS IMPLEMENTATION.

Also Published As

Publication number Publication date
KR920011063B1 (en) 1992-12-26
FR2671254A1 (en) 1992-07-03
GB2251352A (en) 1992-07-01
JPH04309080A (en) 1992-10-30
DE4117325A1 (en) 1992-07-02
KR920013016A (en) 1992-07-28

Similar Documents

Publication Publication Date Title
EP0444417A3 (en) Exposure control for video camera
DE3480252D1 (en) Exposure control for a television camera
DE3479551D1 (en) Automatic focusing device for a video camera
EP0319127A3 (en) Automatic focusing system for a video camera
EP0488442A3 (en) Automatic exposure control for an image divided into zones
EP0411906A3 (en) Still/moving picture selection control circuit for video phone system
GB2140645B (en) Automatic white adjusting circuit for a television camera
SG50442A1 (en) A video camera having an adaptive automatic iris control circuit
DE69013572T2 (en) Circuit for automatic gain control in a television camera.
EP0481728A3 (en) Automatic exposure control apparatus for a camera
GB2262678B (en) Circuit for controlling the electronic shutter speed of a video camera
EP0519379A3 (en) Surveillance camera with automatic exposure control
GB2061661B (en) Automatic white adjusting circuit for a television camera
GB9111590D0 (en) An automatic gain control circuit for a video camera
EP0463586A3 (en) Automatic gain control circuit
GB2242989B (en) Remote control systems for a camera
DE3273551D1 (en) A digital automatic gain control circuit
EP0453223A3 (en) Automatic loop gain control apparatus
GB2275842B (en) Automatic image stabilizing system for a camcorder
GB2126755B (en) Video camera iris control circuit
KR100225438B1 (en) Video camera with flare correcting circuit
GB2241405B (en) An aperture compensating circuit for a video system
GB2132059B (en) Control circuit for a colour tv pick-up device
GB9225679D0 (en) Video camera fade control
GB2250396B (en) Automatic control circuit of depth of focus of video shooting apparatus

Legal Events

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