FI19992855A - Measurement of listening conditions - Google Patents

Measurement of listening conditions

Info

Publication number
FI19992855A
FI19992855A FI992855A FI19992855A FI19992855A FI 19992855 A FI19992855 A FI 19992855A FI 992855 A FI992855 A FI 992855A FI 19992855 A FI19992855 A FI 19992855A FI 19992855 A FI19992855 A FI 19992855A
Authority
FI
Finland
Prior art keywords
measurement
listening conditions
listening
conditions
Prior art date
Application number
FI992855A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI110211B (en
Inventor
Janne Haavisto
Original Assignee
Nokia Mobile Phones 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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Priority to FI992855A priority Critical patent/FI110211B/en
Priority to EP00660235A priority patent/EP1137292A3/en
Priority to JP2000394207A priority patent/JP2001245319A/en
Priority to US09/750,888 priority patent/US20010007470A1/en
Publication of FI19992855A publication Critical patent/FI19992855A/en
Application granted granted Critical
Publication of FI110211B publication Critical patent/FI110211B/en

Links

Classifications

    • 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
FI992855A 1999-12-31 1999-12-31 Measurement of lighting conditions FI110211B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI992855A FI110211B (en) 1999-12-31 1999-12-31 Measurement of lighting conditions
EP00660235A EP1137292A3 (en) 1999-12-31 2000-12-19 Measurement of illumination conditions
JP2000394207A JP2001245319A (en) 1999-12-31 2000-12-26 White balance measurement unit and white balance adjustment device
US09/750,888 US20010007470A1 (en) 1999-12-31 2000-12-28 Measurement of illumination conditions

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI992855A FI110211B (en) 1999-12-31 1999-12-31 Measurement of lighting conditions
FI992855 1999-12-31

Publications (2)

Publication Number Publication Date
FI19992855A true FI19992855A (en) 2001-07-01
FI110211B FI110211B (en) 2002-12-13

Family

ID=8555862

Family Applications (1)

Application Number Title Priority Date Filing Date
FI992855A FI110211B (en) 1999-12-31 1999-12-31 Measurement of lighting conditions

Country Status (4)

Country Link
US (1) US20010007470A1 (en)
EP (1) EP1137292A3 (en)
JP (1) JP2001245319A (en)
FI (1) FI110211B (en)

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JP2002374539A (en) * 2001-06-15 2002-12-26 Olympus Optical Co Ltd Camera capable of correcting white balance
DE10143518A1 (en) * 2001-09-05 2003-03-27 Siemens Ag Device for correcting varying light intensity caused by network voltage with artificial sources of light while taking pictures with a camera has a light-sensitive sensor to convert light intensity into an electric signal.
US7022960B2 (en) * 2002-02-12 2006-04-04 Konica Corporation Photographic film image reading apparatus with film density detection
TW574638B (en) * 2002-03-05 2004-02-01 Asulab Sa Method and device for lighting an electronic or electromechanical apparatus
EP1343059B1 (en) * 2002-03-05 2011-12-21 Asulab S.A. Method and means for illuminating an electronic or an electromechanical device
EP1365383B1 (en) 2002-05-23 2011-06-22 Nokia Corporation Method and device for determining the lighting conditions surrounding a LCD color display device for correcting its chrominance
JP2004047620A (en) * 2002-07-10 2004-02-12 Toyoda Gosei Co Ltd Light emitting diode and method and apparatus for arraying light-emitting element
JP2004206679A (en) 2002-12-12 2004-07-22 Sony Corp Information processing device and method, recording medium and program
JP4207148B2 (en) * 2003-01-21 2009-01-14 富士フイルム株式会社 Digital camera
JP2005027033A (en) * 2003-07-02 2005-01-27 Nikon Corp Color imaging apparatus
TWI247521B (en) * 2003-12-23 2006-01-11 Inventec Appliances Corp Mobile communication apparatus with auto-removing strobe and method thereof
US20050200724A1 (en) * 2004-03-10 2005-09-15 Rajaiah Seela R.D. Using a separate color sensor for white balance calculation
WO2007004108A1 (en) * 2005-06-30 2007-01-11 Koninklijke Philips Electronics N.V. Method and system for controlling the output of a luminaire
US20070090276A1 (en) * 2005-10-03 2007-04-26 Jia Peng Light detecting device
CN103250418B (en) * 2010-11-30 2014-10-15 富士胶片株式会社 Image processing device, imaging device, image processing method, and white balance adjustment method
CN103686099B (en) * 2012-09-24 2016-01-27 华为终端有限公司 A kind of method of adjustment to picture colour cast and device
US10267462B2 (en) * 2015-01-27 2019-04-23 Signify Holding B.V. High intensity white light source
CN105355704B (en) * 2015-12-01 2017-06-16 天津飞讯伟业科技有限公司 Symmetric double PIN balances photodetector
CN110849476A (en) * 2019-11-19 2020-02-28 北京无线电计量测试研究所 High-precision broadband balance photoelectric detection method and device

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Publication number Priority date Publication date Assignee Title
JPS5570833A (en) * 1978-11-22 1980-05-28 Fuji Photo Optical Co Ltd Color correcting device of camera
JPS58194488A (en) * 1982-05-07 1983-11-12 Nippon Kogaku Kk <Nikon> Color balance controller
DE3444104A1 (en) * 1984-12-04 1986-06-05 Alvaro Dr. 6380 Bad Homburg Affonso Device for measuring/storing/coupling light energy
JPH0817499B2 (en) * 1988-04-20 1996-02-21 富士写真フイルム株式会社 Camera white balance adjustment device
US5319449A (en) * 1991-04-17 1994-06-07 Fuji Photo Film Company, Limited White balance control device and video camera with a white balance control device
US5392068A (en) * 1992-09-04 1995-02-21 Nikon Corporation Imaging apparatus having start-of-imaging signal dependent color temperature measurement for white-balance
JPH06165189A (en) * 1992-11-25 1994-06-10 Nikon Corp White balance adjusting device
US5477326A (en) * 1994-06-30 1995-12-19 Bayer Corporation Spectrophotometer arrangement with multi-detector readhead
US5541704A (en) * 1994-08-08 1996-07-30 Eastman Kodak Company Camera with LED photometer
US5448082A (en) * 1994-09-27 1995-09-05 Opto Diode Corporation Light emitting diode for use as an efficient emitter or detector of light at a common wavelength and method for forming the same
JPH0926360A (en) * 1995-07-11 1997-01-28 Nikon Corp Colorimetric equipment
JPH1093856A (en) * 1996-08-07 1998-04-10 Hewlett Packard Co <Hp> Solid-state image pickup device
JPH10206942A (en) * 1997-01-21 1998-08-07 Minolta Co Ltd Flash light emitting device and camera provided with the same
US6002424A (en) * 1997-06-12 1999-12-14 Schick Technologies, Inc. Dental imaging system with white balance compensation
US6095661A (en) * 1998-03-19 2000-08-01 Ppt Vision, Inc. Method and apparatus for an L.E.D. flashlight
JP4594466B2 (en) * 1999-10-20 2010-12-08 日東光学株式会社 Light emitting / receiving circuit

Also Published As

Publication number Publication date
EP1137292A3 (en) 2004-08-25
FI110211B (en) 2002-12-13
EP1137292A2 (en) 2001-09-26
US20010007470A1 (en) 2001-07-12
JP2001245319A (en) 2001-09-07

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