AU2001279792A1 - Circuit comprising a combined signal and environmental light sensor - Google Patents

Circuit comprising a combined signal and environmental light sensor

Info

Publication number
AU2001279792A1
AU2001279792A1 AU2001279792A AU7979201A AU2001279792A1 AU 2001279792 A1 AU2001279792 A1 AU 2001279792A1 AU 2001279792 A AU2001279792 A AU 2001279792A AU 7979201 A AU7979201 A AU 7979201A AU 2001279792 A1 AU2001279792 A1 AU 2001279792A1
Authority
AU
Australia
Prior art keywords
circuit
light sensor
combined signal
environmental light
environmental
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.)
Abandoned
Application number
AU2001279792A
Inventor
Gunter Gleim
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.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
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 Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of AU2001279792A1 publication Critical patent/AU2001279792A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/10—Intensity circuits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
    • G01J1/28—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source
    • G01J1/30—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source using electric radiation detectors
    • G01J1/32—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source using electric radiation detectors adapted for automatic variation of the measured or reference value
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44—Electric circuits
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/144—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42202—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS] environmental sensors, e.g. for detecting temperature, luminosity, pressure, earthquakes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4318—Generation of visual interfaces for content selection or interaction; Content or additional data rendering by altering the content in the rendering process, e.g. blanking, blurring or masking an image region
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57—Control of contrast or brightness
    • H04N5/58—Control of contrast or brightness in dependence upon ambient light

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Television Receiver Circuits (AREA)
  • Projection Apparatus (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
AU2001279792A 2000-08-04 2001-07-30 Circuit comprising a combined signal and environmental light sensor Abandoned AU2001279792A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10038064A DE10038064B4 (en) 2000-08-04 2000-08-04 Circuit with combined signal and ambient light sensor
DE10038064 2000-08-04
PCT/EP2001/008795 WO2002012844A1 (en) 2000-08-04 2001-07-30 Circuit comprising a combined signal and environmental light sensor

Publications (1)

Publication Number Publication Date
AU2001279792A1 true AU2001279792A1 (en) 2002-02-18

Family

ID=7651318

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001279792A Abandoned AU2001279792A1 (en) 2000-08-04 2001-07-30 Circuit comprising a combined signal and environmental light sensor

Country Status (4)

Country Link
US (1) US7133079B2 (en)
AU (1) AU2001279792A1 (en)
DE (1) DE10038064B4 (en)
WO (1) WO2002012844A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1710780A1 (en) * 2005-04-07 2006-10-11 Tatung Co., Ltd. Method of brightness adjustment of a display device
DE602006006967D1 (en) 2006-02-24 2009-07-09 Vestel Elekt Sanayi Ve Ticaret Apparatus and method for adjusting the image characteristics on a display device
EP2546620B1 (en) * 2011-07-13 2014-04-09 ELMOS Semiconductor AG Ambient light compensation device for optical sensors equally exposed to useful light and ambient light
US10367950B2 (en) * 2014-06-11 2019-07-30 Lenovo (Singapore) Pte. Ltd. Device notification adjustment dependent on user proximity
TWI718208B (en) * 2016-06-30 2021-02-11 日商半導體能源研究所股份有限公司 Display device, working method thereof and electronic device

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3607767C1 (en) * 1986-03-08 1987-04-02 Wolf Gmbh Richard Video endoscope
US5164714A (en) * 1988-06-20 1992-11-17 Amp Incorporated Modulated touch entry system and method with synchronous detection
US5055667A (en) * 1990-06-21 1991-10-08 Loral Fairchild Corporation Non-linear photosite response in CCD imagers
JP2752309B2 (en) * 1993-01-19 1998-05-18 松下電器産業株式会社 Display device
US5286969A (en) * 1993-01-28 1994-02-15 At&T Bell Laboratories Apparatus for measuring optical power in an optical receiver with a non-linear element and a transconductance amplifier
WO1994018790A1 (en) * 1993-02-05 1994-08-18 Barath, Ludwig Environment-dependent automatic luminance control for display scrreens
US5868666A (en) * 1993-11-26 1999-02-09 Olympus Optical Co., Ltd. Endoscope apparatus using programmable integrated circuit to constitute internal structure thereof
GB9421840D0 (en) * 1994-10-28 1994-12-14 Plessey Semiconductors Ltd Improvements in or relating to television receivers
US5786801A (en) * 1996-09-06 1998-07-28 Sony Corporation Back light control apparatus and method for a flat display system
US6234957B1 (en) * 1998-02-09 2001-05-22 Fuji Photo Optical Co., Ltd. Electronic endoscope system capable of enhancing luminance
US6334845B1 (en) * 1998-03-25 2002-01-01 Fuji Photo Optical Co., Ltd. Electronic-endoscope light source unit for setting shading period
US6176429B1 (en) * 1998-07-17 2001-01-23 Psc Scanning, Inc. Optical reader with selectable processing characteristics for reading data in multiple formats
DE19834122B4 (en) * 1998-07-29 2007-05-31 Insta Elektro Gmbh Device for parameterizing production-related manipulated variables by means of wireless active-infrared remote transmission for motion detectors
US6297859B1 (en) * 1999-06-30 2001-10-02 Thomson Licensing S.A. Opto sensor signal detector
US6522078B1 (en) * 1999-08-27 2003-02-18 Horiba, Ltd. Remotely controlled power supply switching system

Also Published As

Publication number Publication date
US7133079B2 (en) 2006-11-07
WO2002012844A1 (en) 2002-02-14
DE10038064B4 (en) 2005-02-03
US20040012719A1 (en) 2004-01-22
DE10038064A1 (en) 2002-02-14

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