BE442905A - - Google Patents

Info

Publication number
BE442905A
BE442905A BE442905DA BE442905A BE 442905 A BE442905 A BE 442905A BE 442905D A BE442905D A BE 442905DA BE 442905 A BE442905 A BE 442905A
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.)
Publication of BE442905A publication Critical patent/BE442905A/xx

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G02B17/0884—Catadioptric systems having a pupil corrector
    • G02B17/0888—Catadioptric systems having a pupil corrector the corrector having at least one aspheric surface, e.g. Schmidt plates
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • 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
    • H01J29/894—Arrangements combined with the vessel for the purpose of image projection on a screen
    • 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
    • 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Electric Information Into Light Information (AREA)
BE442905D 1940-09-30 BE442905A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL605122X 1940-09-30

Publications (1)

Publication Number Publication Date
BE442905A true BE442905A (en:Method)

Family

ID=19787906

Family Applications (1)

Application Number Title Priority Date Filing Date
BE442905D BE442905A (en:Method) 1940-09-30

Country Status (4)

Country Link
US (1) US2476124A (en:Method)
BE (1) BE442905A (en:Method)
GB (1) GB605122A (en:Method)
NL (1) NL62423C (en:Method)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2647255A (en) * 1949-09-21 1953-07-28 Hartford Nat Bank & Trust Co Television receiver
NL166970B (nl) * 1951-02-27 Mitsubishi Gas Chemical Co Werkwijze voor het verlenen van papierachtige eigen- schappen aan foelies uit kunstharsen.
US2628533A (en) * 1951-10-17 1953-02-17 Robert A Oetjen Image forming optical reflecting and converging mirror device
US2749801A (en) * 1951-11-09 1956-06-12 American Optical Corp Reflective optical projection systems
US2737850A (en) * 1952-12-11 1956-03-13 Gen Precision Lab Inc Wide aperture divergent optical system using spherical mirrors

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE624129C (de) * 1936-01-13 Walther Thorner Dr Sternglobus
US1960011A (en) * 1931-02-26 1934-05-22 Bell Telephone Labor Inc Apparatus for making stereoscopic parallax panoramagrams
US1967892A (en) * 1933-02-01 1934-07-24 Gen Electric Stroboscope
US2128632A (en) * 1934-10-20 1938-08-30 Jules A Perrault Electronic device
US2273801A (en) * 1938-12-30 1942-02-17 Rca Corp Television receiver
GB548750A (en) * 1942-01-12 1942-10-22 Philips Nv Improvements in or relating to projectors for the light image of a cathode-ray tube

Also Published As

Publication number Publication date
GB605122A (en) 1948-07-16
US2476124A (en) 1949-07-12
NL62423C (en:Method)

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