NL62423C - - Google Patents

Info

Publication number
NL62423C
NL62423C NL62423DA NL62423C NL 62423 C NL62423 C NL 62423C NL 62423D A NL62423D A NL 62423DA NL 62423 C NL62423 C NL 62423C
Authority
NL
Netherlands
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 NL62423C publication Critical patent/NL62423C/xx

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08Catadioptric systems
    • G02B17/0884Catadioptric systems having a pupil corrector
    • G02B17/0888Catadioptric systems having a pupil corrector the corrector having at least one aspheric surface, e.g. Schmidt plates
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08Catadioptric systems
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/86Vessels; Containers; Vacuum locks
    • H01J29/89Optical or photographic arrangements structurally combined or co-operating with the vessel
    • H01J29/894Arrangements combined with the vessel for the purpose of image projection on a screen
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/74Projection arrangements for image reproduction, e.g. using eidophor
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/74Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7416Projection 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
    • H04N5/7425Projection 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)
NL62423D 1940-09-30 NL62423C (sv)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL62423C true NL62423C (sv)

Family

ID=19787906

Family Applications (1)

Application Number Title Priority Date Filing Date
NL62423D NL62423C (sv) 1940-09-30

Country Status (4)

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

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 (sv) * 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
US2476124A (en) 1949-07-12
BE442905A (sv)
GB605122A (en) 1948-07-16

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