BE845459A - Verbeterde optische en mecanische televisieprojektieinrichting - Google Patents

Verbeterde optische en mecanische televisieprojektieinrichting

Info

Publication number
BE845459A
BE845459A BE170026A BE170026A BE845459A BE 845459 A BE845459 A BE 845459A BE 170026 A BE170026 A BE 170026A BE 170026 A BE170026 A BE 170026A BE 845459 A BE845459 A BE 845459A
Authority
BE
Belgium
Prior art keywords
mecanical
projection device
improved optical
television projection
television
Prior art date
Application number
BE170026A
Other languages
English (en)
Inventor
Hh S Ch P Hedley
B T Gunton
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 filed Critical
Publication of BE845459A publication Critical patent/BE845459A/nl

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/18—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical projection, e.g. combination of mirror and condenser and objective

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
BE170026A 1975-08-27 1976-08-24 Verbeterde optische en mecanische televisieprojektieinrichting BE845459A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3542875 1975-08-27

Publications (1)

Publication Number Publication Date
BE845459A true BE845459A (nl) 1977-02-24

Family

ID=10377605

Family Applications (1)

Application Number Title Priority Date Filing Date
BE170026A BE845459A (nl) 1975-08-27 1976-08-24 Verbeterde optische en mecanische televisieprojektieinrichting

Country Status (8)

Country Link
US (1) US4034398A (nl)
JP (1) JPS5237720A (nl)
AU (1) AU1718476A (nl)
BE (1) BE845459A (nl)
DE (1) DE2638391A1 (nl)
FR (1) FR2322500A1 (nl)
NL (1) NL7609476A (nl)
SE (1) SE7609394L (nl)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5733558Y2 (nl) * 1975-11-19 1982-07-23
US4409515A (en) * 1978-02-06 1983-10-11 Kloss Henry E Projection television tube and process for forming same
US4365183A (en) * 1978-02-06 1982-12-21 Kloss Henry E Projection televison tube and process for forming same
AU522177B2 (en) * 1978-02-06 1982-05-20 Esplin Kloss Henry Projection tv tube
JPS54167618U (nl) * 1978-05-16 1979-11-26
JPS5514622A (en) * 1978-07-14 1980-02-01 Matsushita Electronics Corp Projection type picture tube
JPS5525081U (nl) * 1978-08-07 1980-02-18
JPS55154037A (en) * 1979-05-18 1980-12-01 Sanyo Electric Co Ltd Cathode-ray tube for projection
JPS58162185A (ja) * 1982-03-19 1983-09-26 Sony Corp 単陰極線管型カラ−画像投写装置
JPS60264172A (ja) * 1984-06-12 1985-12-27 Mitsubishi Electric Corp 投写装置
JPH0321242Y2 (nl) * 1985-07-26 1991-05-09
US5557469A (en) * 1994-10-28 1996-09-17 Ultratech Stepper, Inc. Beamsplitter in single fold optical system and optical variable magnification method and system
US5619095A (en) * 1995-02-21 1997-04-08 Hughes Aircraft Company Projection cathode ray tube having tapered shaft screw target assembly
DE19908044A1 (de) * 1999-02-24 2000-08-31 Thomson Brandt Gmbh Einstellvorrichtung für ein LCD-Projektionsfernsehgerät
US11624905B2 (en) * 2018-10-25 2023-04-11 Disney Enterprises, Inc. Corrector plates for head mounted display system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR957984A (nl) * 1946-10-24 1950-03-02
US2637829A (en) * 1952-03-15 1953-05-05 Trad Victor Projection tube with movable target electrode
US2730925A (en) * 1954-04-19 1956-01-17 American Optical Corp Two component eye lens system
US2999126A (en) * 1958-05-29 1961-09-05 Harries Television Res Ltd Facetted correction lens for minimizing keystoning of off-axis projectors
US3969648A (en) * 1974-09-03 1976-07-13 Advent Corporation Projection television tube system

Also Published As

Publication number Publication date
SE7609394L (sv) 1977-02-28
JPS5237720A (en) 1977-03-23
FR2322500A1 (fr) 1977-03-25
DE2638391A1 (de) 1977-03-31
AU1718476A (en) 1978-03-02
US4034398A (en) 1977-07-05
FR2322500B3 (nl) 1979-05-25
NL7609476A (nl) 1977-03-01

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