GB1103131A - Cathode-ray light valve apparatus - Google Patents

Cathode-ray light valve apparatus

Info

Publication number
GB1103131A
GB1103131A GB2941/66A GB294166A GB1103131A GB 1103131 A GB1103131 A GB 1103131A GB 2941/66 A GB2941/66 A GB 2941/66A GB 294166 A GB294166 A GB 294166A GB 1103131 A GB1103131 A GB 1103131A
Authority
GB
United Kingdom
Prior art keywords
cathode
valve apparatus
light valve
window
disc
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
GB2941/66A
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB1103131A publication Critical patent/GB1103131A/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
    • 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)
  • Projection Apparatus (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Manufacturing Optical Record Carriers (AREA)

Abstract

1,103,131. Cathode-ray tubes. GENERAL ELECTRIC CO. 21 Jan., 1966 [5 Feb., 1965], No. 2941/66. Heading HID. In a cathode-ray light valve apparatus comprising a rotatable disc 3 and a replenishing reservoir 7 of light modulating fluid, the output window 21 comprises a planar disc extending into the reservoir and spaced from the rotatable disc by a capillary distance a such that the region b between disc and window is filled with the light-modulating fluid. The capillary distance a is defined by protuberances 22 on the window, the protuberances being formed from fritted glass droplets which are afterwards ground.
GB2941/66A 1965-02-05 1966-01-21 Cathode-ray light valve apparatus Expired GB1103131A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US430700A US3385991A (en) 1965-02-05 1965-02-05 Cathode ray tube with light-modulated fluid filling space between rotatable disc and output window

Publications (1)

Publication Number Publication Date
GB1103131A true GB1103131A (en) 1968-02-14

Family

ID=23708646

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2941/66A Expired GB1103131A (en) 1965-02-05 1966-01-21 Cathode-ray light valve apparatus

Country Status (2)

Country Link
US (1) US3385991A (en)
GB (1) GB1103131A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3489940A (en) * 1969-03-28 1970-01-13 Gen Electric Hydrodynamic contaminant isolation for light modulating fluid
US3489941A (en) * 1969-03-28 1970-01-13 Gen Electric Light valve fluid thickness regulator
US3873872A (en) * 1974-05-16 1975-03-25 Philips Corp Pyroelectric vidicon
US6631032B2 (en) * 2000-12-22 2003-10-07 The Regents Of The University Of California Renewable liquid reflection grating

Also Published As

Publication number Publication date
US3385991A (en) 1968-05-28
DE1539985B2 (en) 1975-11-20
DE1539985A1 (en) 1969-12-11

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