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

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE442905A true BE442905A (nl)

Family

ID=19787906

Family Applications (1)

Application Number Title Priority Date Filing Date
BE442905D BE442905A (nl) 1940-09-30

Country Status (4)

Country Link
US (1) US2476124A (nl)
BE (1) BE442905A (nl)
GB (1) GB605122A (nl)
NL (1) NL62423C (nl)

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
BE509524A (nl) * 1951-02-27
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
NL62423C (nl)
US2476124A (en) 1949-07-12
GB605122A (en) 1948-07-16

Similar Documents

Publication Publication Date Title
BE440256A (nl)
FR851551A (nl)
BE437891A (nl)
BE438794A (nl)
BE439851A (nl)
BE439954A (nl)
NL62423C (nl)
BE437808A (nl)
BE437800A (nl)
NL58640C (nl)
NL56415C (nl)
NL52883C (nl)
BE468936A (nl)
BE468236A (nl)
BE464441A (nl)
BE440591A (nl)
BE440307A (nl)
BE440295A (nl)
BE440291A (nl)
BE440289A (nl)
BE440284A (nl)
BE440248A (nl)
BE440246A (nl)
BE440192A (nl)
BE440185A (nl)