ATE89670T1 - Bildprojektionssystem. - Google Patents

Bildprojektionssystem.

Info

Publication number
ATE89670T1
ATE89670T1 AT87202255T AT87202255T ATE89670T1 AT E89670 T1 ATE89670 T1 AT E89670T1 AT 87202255 T AT87202255 T AT 87202255T AT 87202255 T AT87202255 T AT 87202255T AT E89670 T1 ATE89670 T1 AT E89670T1
Authority
AT
Austria
Prior art keywords
image projection
projection system
picture
display tube
brightness
Prior art date
Application number
AT87202255T
Other languages
English (en)
Inventor
Johannes Hendrikus Mari Spruit
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of ATE89670T1 publication Critical patent/ATE89670T1/de

Links

Classifications

    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/28—Interference filters
    • G02B5/285—Interference filters comprising deposited thin solid films
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/16—Optical objectives specially designed for the purposes specified below for use in conjunction with image converters or intensifiers, or for use with projectors, e.g. objectives for projection TV
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
    • 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]

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Lenses (AREA)
  • Liquid Crystal (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Display Devices Of Pinball Game Machines (AREA)
  • Projection Apparatus (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
AT87202255T 1986-11-24 1987-11-18 Bildprojektionssystem. ATE89670T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8602975A NL8602975A (nl) 1986-11-24 1986-11-24 Beeldprojektiestelsel.
EP87202255A EP0273476B1 (de) 1986-11-24 1987-11-18 Bildprojektionssystem

Publications (1)

Publication Number Publication Date
ATE89670T1 true ATE89670T1 (de) 1993-06-15

Family

ID=19848874

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87202255T ATE89670T1 (de) 1986-11-24 1987-11-18 Bildprojektionssystem.

Country Status (8)

Country Link
US (1) US4766498A (de)
EP (1) EP0273476B1 (de)
JP (1) JPS63148221A (de)
KR (1) KR960013312B1 (de)
AT (1) ATE89670T1 (de)
AU (1) AU8143687A (de)
DE (1) DE3785922T2 (de)
NL (1) NL8602975A (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4937661A (en) * 1988-07-11 1990-06-26 North American Philips Corporation Projection television display tube and device having band pass interference filter
JP2582140B2 (ja) * 1988-10-31 1997-02-19 株式会社日立製作所 投写形ディスプレイ
JPH02148009A (ja) * 1988-11-30 1990-06-06 Hitachi Ltd 投写レンズ
US4914510A (en) * 1988-12-23 1990-04-03 North American Philips Corporation Method for improving the white field uniformity of a projection color TV using CRTs having interference filters, projection color TV and CRTs resulting from the method
JPH0760202B2 (ja) * 1989-07-31 1995-06-28 パイオニア株式会社 プロジェクションテレビ用投写装置
JPH03127436A (ja) * 1989-10-11 1991-05-30 Mitsubishi Electric Corp 投写型テレビジョン装置
GB2238397A (en) * 1989-11-22 1991-05-29 Philips Electronic Associated A projection lens system having aspheric surfaces
US5055922A (en) * 1990-03-07 1991-10-08 U.S. Precision Lens Incorporated Color tv projection lens system
JPH06242441A (ja) * 1992-12-22 1994-09-02 Canon Inc 光源装置及び該装置を備える表示装置
JP3368110B2 (ja) 1995-08-01 2003-01-20 キヤノン株式会社 光源装置及び光学機器
US6424464B1 (en) 1999-05-06 2002-07-23 Phillips Petroleum Company Method and apparatus for interactive curved surface seismic interpretation and visualization
US6215499B1 (en) * 1999-05-06 2001-04-10 Phillips Petroleum Company Method and apparatus for interactive curved surface seismic interpretation and visualization
US6665117B2 (en) 1999-05-06 2003-12-16 Conocophillips Company Method and apparatus for interactive curved surface borehole interpretation and visualization

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US800085A (en) * 1905-03-30 1905-09-19 Clarinda Poultry Butter & Egg Co Milk-can.
FR2256421B1 (de) * 1973-12-28 1976-11-19 Sopelem
JPS55124114A (en) * 1978-09-08 1980-09-25 Us Precision Lens Inc Projector lens
GB2091898B (en) * 1981-01-23 1984-07-18 Hodges Marvin P Aspheric projection lens system utilizing concave image
US4526442A (en) * 1981-01-28 1985-07-02 U.S. Precision Lens, Inc. Compact projection lens
US4423438A (en) * 1981-02-26 1983-12-27 Nec Kansai, Ltd. Projection type cathode ray tube with masking means
JPS6049311A (ja) * 1983-08-29 1985-03-18 Nippon Kogaku Kk <Nikon> 投影レンズ
NL8402304A (nl) * 1984-07-20 1986-02-17 Philips Nv Beeldbuis.
US4672458A (en) * 1984-12-28 1987-06-09 North American Philips Corporation Projection television systems having lens tilt compensation member

Also Published As

Publication number Publication date
NL8602975A (nl) 1988-06-16
DE3785922D1 (de) 1993-06-24
KR960013312B1 (ko) 1996-10-02
KR880006932A (ko) 1988-07-25
AU8143687A (en) 1988-05-26
DE3785922T2 (de) 1993-12-09
EP0273476A1 (de) 1988-07-06
US4766498A (en) 1988-08-23
EP0273476B1 (de) 1993-05-19
JPS63148221A (ja) 1988-06-21

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties