FR2100454A5 - - Google Patents

Info

Publication number
FR2100454A5
FR2100454A5 FR7125167A FR7125167A FR2100454A5 FR 2100454 A5 FR2100454 A5 FR 2100454A5 FR 7125167 A FR7125167 A FR 7125167A FR 7125167 A FR7125167 A FR 7125167A FR 2100454 A5 FR2100454 A5 FR 2100454A5
Authority
FR
France
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.)
Expired
Application number
FR7125167A
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.)
Unisys Group Services Ltd
Sperry Corp
Original Assignee
Sperry Rand Ltd
Sperry Rand Corp
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 Sperry Rand Ltd, Sperry Rand Corp filed Critical Sperry Rand Ltd
Application granted granted Critical
Publication of FR2100454A5 publication Critical patent/FR2100454A5/fr
Expired legal-status Critical Current

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/86—Vessels; Containers; Vacuum locks
    • H01J29/89—Optical or photographic arrangements structurally combined or co-operating with the vessel
    • H01J29/892—Optical or photographic arrangements structurally combined or co-operating with the vessel using fibre optics

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Television Receiver Circuits (AREA)
  • Measurement Of Radiation (AREA)
FR7125167A 1970-07-10 1971-07-09 Expired FR2100454A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5376670A 1970-07-10 1970-07-10

Publications (1)

Publication Number Publication Date
FR2100454A5 true FR2100454A5 (fr) 1972-03-17

Family

ID=21986388

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7125167A Expired FR2100454A5 (fr) 1970-07-10 1971-07-09

Country Status (5)

Country Link
US (1) US3715617A (fr)
CA (1) CA953816A (fr)
DE (1) DE2134312A1 (fr)
FR (1) FR2100454A5 (fr)
GB (1) GB1326152A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0285521A1 (fr) * 1987-04-03 1988-10-05 Thomson-Csf Système de visualisation de données lumineuses, à lisibilité améliorée
EP0530091A1 (fr) * 1991-08-30 1993-03-03 Sextant Avionique Dispositif d'asservissement de la tension de blocage d'un tube cathodique par mesure de luminance
EP0530092A1 (fr) * 1991-08-30 1993-03-03 Sextant Avionique Dispositif d'asservissement de la tension de blocage d'un tube cathodique par double boucle

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4589022A (en) * 1983-11-28 1986-05-13 General Electric Company Brightness control system for CRT video display
US4827183A (en) * 1988-02-02 1989-05-02 Thomson Electron Tubes & Devices Corporation CRT with means for monitoring electron beam
GB8814157D0 (en) * 1988-06-15 1988-07-20 Crosfield Electronics Ltd Display control system
US6327708B1 (en) * 1998-09-15 2001-12-04 True Image, L.L.C. System of absolute measurement for radiological image luminance control

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE1249325B (de) * 1960-12-30 1967-09-07 Radio Corporation Of America, New York, N. Y. (V. St. A.) Schaltungsanordnung :ur raumlichtabhängigen Steuerung des Contrastes und der Helligkeit in einem ernsehempfänger
NL278224A (fr) * 1961-05-10
GB1047953A (en) * 1962-07-26 1966-11-09 David Marshall Goodman Improved cathode ray tubes
GB1081513A (en) * 1964-06-12 1967-08-31 Gen Electric Face plate assembly for electron image tubes
US3404226A (en) * 1965-03-25 1968-10-01 Gen Electric Automatic contrast and brightness control for television receiver utilizing a light dependent resistor
US3441663A (en) * 1965-05-04 1969-04-29 Photo Electronics Corp Non-linear amplifiers and systems
US3497701A (en) * 1967-07-14 1970-02-24 Ibm Light pen optical system for display apparatus

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0285521A1 (fr) * 1987-04-03 1988-10-05 Thomson-Csf Système de visualisation de données lumineuses, à lisibilité améliorée
FR2613572A1 (fr) * 1987-04-03 1988-10-07 Thomson Csf Systeme de visualisation de donnees lumineuses, a lisibilite amelioree
US5057744A (en) * 1987-04-03 1991-10-15 Thomson Csf System for the display of luminous data with improved readability
EP0530091A1 (fr) * 1991-08-30 1993-03-03 Sextant Avionique Dispositif d'asservissement de la tension de blocage d'un tube cathodique par mesure de luminance
EP0530092A1 (fr) * 1991-08-30 1993-03-03 Sextant Avionique Dispositif d'asservissement de la tension de blocage d'un tube cathodique par double boucle
FR2680932A1 (fr) * 1991-08-30 1993-03-05 Sextant Avionique Dispositif d'asservissement de la tension de blocage d'un tube cathodique par double boucle.
FR2680933A1 (fr) * 1991-08-30 1993-03-05 Sextant Avionique Dispositif d'asservissement de la tension de blocage d'un tube cathodique par mesure de luminance.
US5268615A (en) * 1991-08-30 1993-12-07 Sextant Avionique Device for the [servo-] control of the cut-off voltage of a cathode-ray tube by measurement of luminance

Also Published As

Publication number Publication date
CA953816A (en) 1974-08-27
GB1326152A (en) 1973-08-08
DE2134312A1 (de) 1972-01-13
US3715617A (en) 1973-02-06

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Legal Events

Date Code Title Description
ST Notification of lapse