FR1420308A - Improvements to light-modulating devices - Google Patents

Improvements to light-modulating devices

Info

Publication number
FR1420308A
FR1420308A FR1687A FR1687A FR1420308A FR 1420308 A FR1420308 A FR 1420308A FR 1687 A FR1687 A FR 1687A FR 1687 A FR1687 A FR 1687A FR 1420308 A FR1420308 A FR 1420308A
Authority
FR
France
Prior art keywords
light
modulating devices
modulating
devices
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.)
Expired
Application number
FR1687A
Other languages
French (fr)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR1420308A publication Critical patent/FR1420308A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/12—Screens on or from which an image or pattern is formed, picked up, converted or stored acting as light valves by shutter operation, e.g. for eidophor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
    • H01J31/24—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with screen acting as light valve by shutter operation, e.g. eidophor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
    • H04N5/7425—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being a dielectric deformable layer controlled by an electron beam, e.g. eidophor projector

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
FR1687A 1964-01-13 1965-01-13 Improvements to light-modulating devices Expired FR1420308A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US337260A US3251940A (en) 1964-01-13 1964-01-13 Light valve apparatus

Publications (1)

Publication Number Publication Date
FR1420308A true FR1420308A (en) 1965-12-03

Family

ID=23319795

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1687A Expired FR1420308A (en) 1964-01-13 1965-01-13 Improvements to light-modulating devices

Country Status (2)

Country Link
US (1) US3251940A (en)
FR (1) FR1420308A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4283120A (en) * 1978-12-11 1981-08-11 General Electric Company Light valve projection system with off axis raster orientation
US4533216A (en) * 1983-06-13 1985-08-06 General Electric Company Light valve projection system with improved writing control and reduced fluid degradation
US4779024A (en) * 1986-08-26 1988-10-18 General Electric Company Deflection system for light valve projectors of the schlieren dark field type

Also Published As

Publication number Publication date
US3251940A (en) 1966-05-17

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