BE680273A - - Google Patents

Info

Publication number
BE680273A
BE680273A BE680273DA BE680273A BE 680273 A BE680273 A BE 680273A BE 680273D A BE680273D A BE 680273DA BE 680273 A BE680273 A BE 680273A
Authority
BE
Belgium
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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27412560&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BE680273(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US453144A external-priority patent/US3351707A/en
Application filed filed Critical
Publication of BE680273A publication Critical patent/BE680273A/xx

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
    • G03B27/00—Photographic printing apparatus
    • G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
    • G03B27/73—Controlling exposure by variation of spectral composition, e.g. multicolor printers
    • G03B27/735—Controlling exposure by variation of spectral composition, e.g. multicolor printers in dependence upon automatic analysis of the original
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/04—Diagnosis, testing or measuring for television systems or their details for receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/02—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only
    • H04N3/04—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only having a moving aperture also apertures covered by lenses
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/66—Transforming electric information into light information
    • H04N5/68—Circuit details for cathode-ray display tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Television Receiver Circuits (AREA)
  • Color Television Image Signal Generators (AREA)
  • Processing Of Color Television Signals (AREA)
  • Picture Signal Circuits (AREA)
BE680273D 1965-05-04 1966-04-29 BE680273A (xx)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US453144A US3351707A (en) 1965-05-04 1965-05-04 Electronic color viewer
US51284465A 1965-12-10 1965-12-10
US52851666A 1966-02-18 1966-02-18

Publications (1)

Publication Number Publication Date
BE680273A true BE680273A (xx) 1966-10-03

Family

ID=27412560

Family Applications (2)

Application Number Title Priority Date Filing Date
BE680273D BE680273A (xx) 1965-05-04 1966-04-29
BE688228D BE688228A (xx) 1965-05-04 1966-10-14

Family Applications After (1)

Application Number Title Priority Date Filing Date
BE688228D BE688228A (xx) 1965-05-04 1966-10-14

Country Status (5)

Country Link
US (2) US3441663A (xx)
BE (2) BE680273A (xx)
CH (2) CH466362A (xx)
DE (2) DE1462888C3 (xx)
GB (2) GB1125847A (xx)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3542944A (en) * 1968-04-26 1970-11-24 Sylvania Electric Prod Automatic brightness control system
US3715617A (en) * 1970-07-10 1973-02-06 Sperry Rand Corp Optical probe for cathode ray tubes
US3830970A (en) * 1972-04-26 1974-08-20 C Hurley Automatic intensity control for picture tube display systems
JPS5843947B2 (ja) * 1973-06-12 1983-09-30 株式会社東芝 ガンマカイロ
DE2607623B2 (de) * 1976-02-25 1978-12-21 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Farbwertbeurteilungsgerät
JPS5826019B2 (ja) * 1976-10-29 1983-05-31 日立電子株式会社 カラ−画像補正装置
DE2719387C3 (de) * 1977-04-30 1980-12-04 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Einrichtung zur Anzeige von Überkorrekturen bei der elektronischen Farbkorrektur
DE2719821B2 (de) * 1977-05-04 1979-08-23 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Einrichtung zur verbesserten Farbbeurteilung an einem Farbmonitor
CH651403A5 (de) * 1980-12-19 1985-09-13 Walter Dr Grossmann Verfahren und vorrichtung zum belichten von aufzeichnungsmaterial bei der herstellung photographischer farbkopien.
US4530011A (en) * 1981-06-19 1985-07-16 Loge/Dunn Instruments, Inc. Apparatus for maintaining of a cathode ray tube image within the light acceptance range of a photographic film
EP0076797A1 (en) * 1981-12-23 1983-04-20 Valmet Oy Procedure in connection with window or door structures and corner piece for application in the procedure
DE3307326A1 (de) * 1983-03-02 1984-09-06 Koenigk Elektronik u. Fototechnik GmbH, 8551 Adelsdorf Vorrichtung zur elektronischen umsetzung eines farbnegativs in ein farbpositives bildschirm-bild
US4825201A (en) * 1985-10-01 1989-04-25 Mitsubishi Denki Kabushiki Kaisha Display device with panels compared to form correction signals
SE450803B (sv) * 1985-10-28 1987-07-27 Hasselblad Ab Victor Anordning vid apparater for omvandling av en fergbildspresentation till en elektrisk signal och vice versa
US4742397A (en) * 1986-01-16 1988-05-03 Polaroid Corporation System and method for adjusting image brightness in electronic printer
GB8814157D0 (en) * 1988-06-15 1988-07-20 Crosfield Electronics Ltd Display control system
US5077502A (en) * 1990-04-26 1991-12-31 Honeywell Inc. Compensation for drift in a cathode ray tube
WO2003034717A1 (en) * 2001-10-18 2003-04-24 Koninklijke Philips Electronics N.V. Display device and method of changing the display settings thereof
TW201445975A (zh) * 2013-05-27 2014-12-01 Compal Electronics Inc 視訊處理裝置及方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1065454B (de) * 1959-09-17 Siemens-Electrogeräte Aktiengesellschaft, Berlin und München Schaltungsanordnung zur selbsttätigen Einstellung der Grundhelligkeit eines Fernsehgerätes
NL238629A (xx) * 1958-04-29
US3023369A (en) * 1959-02-09 1962-02-27 Blonder Tongue Elect Variable-gain transistor circuit
US3179743A (en) * 1959-03-27 1965-04-20 Rca Corp Television brightness and contrast control circuit
US3072741A (en) * 1959-03-27 1963-01-08 Rca Corp Television brightness and contrast control circuit
DE1100683B (de) * 1959-09-04 1961-03-02 Philips Patentverwaltung Fernsehempfaenger-Schaltungsanordnung zur Steuerung der Grundhelligkeit und des Kontrastes in Abhaengigkeit von der Raumhelligkeit
US3147341A (en) * 1961-04-24 1964-09-01 Gen Electric Automatic brightness-contrast control using photoresistive element to control brightness and agc voltages in response to ambinent light
US3164673A (en) * 1961-12-05 1965-01-05 Gen Electric Automatic brightness and contrast control circuit
US3165582A (en) * 1961-12-29 1965-01-12 Magnavox Co Automatic contrast and brilliance control system for television receivers
US3214517A (en) * 1962-08-06 1965-10-26 Wells Gardner Electronics Automatic control circuit for television receivers
US3240875A (en) * 1963-05-06 1966-03-15 Rca Corp Unitary control providing complementary contrast and brightness changes
DE1207431B (de) * 1963-10-18 1965-12-23 Philips Patentverwaltung Geraet zur Wiedergabe farbiger Bilder
US3309617A (en) * 1964-05-04 1967-03-14 Philco Ford Corp Controllable gain transistor amplifier utilizing current-variable impedance in emitter circuit for providing controllable signal degeneration
US3351707A (en) * 1965-05-04 1967-11-07 Photo Electronics Corp Electronic color viewer

Also Published As

Publication number Publication date
US3471740A (en) 1969-10-07
DE1462888B2 (de) 1975-04-30
BE688228A (xx) 1967-03-16
CH466362A (de) 1968-12-15
DE1462893C3 (de) 1981-10-08
DE1462893B2 (de) 1976-05-06
GB1126086A (en) 1968-09-05
CH480765A (de) 1969-10-31
GB1125847A (en) 1968-09-05
DE1462888C3 (de) 1975-12-18
DE1462888A1 (de) 1969-01-02
US3441663A (en) 1969-04-29
DE1462893A1 (de) 1969-01-02

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