NL278224A - - Google Patents

Info

Publication number
NL278224A
NL278224A NL278224DA NL278224A NL 278224 A NL278224 A NL 278224A NL 278224D A NL278224D A NL 278224DA NL 278224 A NL278224 A NL 278224A
Authority
NL
Netherlands
Application number
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.)
Publication of NL278224A publication Critical patent/NL278224A/xx

Links

Classifications

    • 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
    • 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
    • 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
    • G01J1/4204—Photometry, e.g. photographic exposure meter using electric radiation detectors with determination of ambient light
    • 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
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
  • Television Receiver Circuits (AREA)
  • Light Receiving Elements (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
NL278224D 1961-05-10 NL278224A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US109152A US3153172A (en) 1961-05-10 1961-05-10 Automatic brightness control using a light conducting rod and photocell

Publications (1)

Publication Number Publication Date
NL278224A true NL278224A (en:Method)

Family

ID=22326073

Family Applications (1)

Application Number Title Priority Date Filing Date
NL278224D NL278224A (en:Method) 1961-05-10

Country Status (6)

Country Link
US (1) US3153172A (en:Method)
JP (1) JPS4514481Y1 (en:Method)
DE (1) DE1266794B (en:Method)
FR (1) FR1320682A (en:Method)
GB (1) GB985381A (en:Method)
NL (1) NL278224A (en:Method)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3315082A (en) * 1962-08-24 1967-04-18 Warren E Milroy Transmission lines utilizing fiber optics and an electro-quenchable phosphor
US3463931A (en) * 1967-05-16 1969-08-26 Gen Signal Corp Shutter control of illumination of photoelectric transducer within light-transmitting block
US3715617A (en) * 1970-07-10 1973-02-06 Sperry Rand Corp Optical probe for cathode ray tubes
JPS4879686A (en:Method) * 1972-01-28 1973-10-25
FR2188169B1 (en:Method) * 1972-06-09 1975-03-28 Lannionnais Electronique
US4023034A (en) * 1975-09-08 1977-05-10 Schacht Ezra L Light admitting means for photocell-controlled lighting fixture
US4412799A (en) * 1979-03-12 1983-11-01 Jackson Gates Apparatus and method for stereo relief modeling
DE3011569A1 (de) * 1980-03-26 1981-10-01 Robert Bosch Gmbh, 7000 Stuttgart Sensoranordnung
GB2127220B (en) * 1982-08-31 1986-04-23 Tokyo Shibaura Electric Co Light-triggered semiconductor device and light guide thereto
JP2837578B2 (ja) * 1992-05-20 1998-12-16 シャープ株式会社 画像入出力装置および方法
US6327708B1 (en) 1998-09-15 2001-12-04 True Image, L.L.C. System of absolute measurement for radiological image luminance control
US7482574B2 (en) * 2007-06-29 2009-01-27 Motorola, Inc. Light guide having an elongate shape with dual concave shaped end and electronic device using light guide

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL26557C (en:Method) * 1927-08-13
BE476128A (en:Method) * 1939-02-07
NL98210B (en:Method) * 1939-06-30
US2310671A (en) * 1941-02-12 1943-02-09 John C Batchelor Image producer
US2360663A (en) * 1941-02-28 1944-10-17 Rca Corp Electrical biasing means
US2428975A (en) * 1944-08-19 1947-10-14 Anthony H Lamb Illuminated mirror
US2420716A (en) * 1944-11-04 1947-05-20 Rca Corp Reading aid for the blind
US2804550A (en) * 1952-08-14 1957-08-27 Artzt Maurice Automatic light control
US2839646A (en) * 1955-11-14 1958-06-17 Clairex Corp Photocell structure
US2915659A (en) * 1957-01-14 1959-12-01 David M Goodman Radiation generating and transmitting device
US3040168A (en) * 1957-09-25 1962-06-19 Kollsman Instr Corp Instrument lighting device
US3058021A (en) * 1958-11-24 1962-10-09 American Optical Corp Optical coupling device between x-ray intensifier and vidicon camera tube or the like
DE1201398B (de) * 1959-11-27 1965-09-23 Nordmende Einrichtung zur kombinierten selbsttaetigen raum-lichtabhaengigen und fernbedienbaren Einstellung des Kontrastes und/oder der Helligkeit der Bildes bei einem Fernsehempfaenger
FR1268594A (fr) * 1960-06-23 1961-08-04 Perfectionnements aux téléviseurs

Also Published As

Publication number Publication date
DE1266794B (de) 1968-04-25
JPS4514481Y1 (en:Method) 1970-06-18
US3153172A (en) 1964-10-13
GB985381A (en) 1965-03-10
FR1320682A (fr) 1963-03-08

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