DE3575370D1 - Farbbildprojektionssystem. - Google Patents

Farbbildprojektionssystem.

Info

Publication number
DE3575370D1
DE3575370D1 DE8585201119T DE3575370T DE3575370D1 DE 3575370 D1 DE3575370 D1 DE 3575370D1 DE 8585201119 T DE8585201119 T DE 8585201119T DE 3575370 T DE3575370 T DE 3575370T DE 3575370 D1 DE3575370 D1 DE 3575370D1
Authority
DE
Germany
Prior art keywords
projection system
color image
image projection
reflectors
projection
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE8585201119T
Other languages
German (de)
English (en)
Inventor
Johan Andrea
Eugene Lubchenko
Ralph Hampton Bradley
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips North America LLC
Original Assignee
Philips Gloeilampenfabrieken NV
North American Philips Consumer Electronics Corp
US Philips Corp
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 Gloeilampenfabrieken NV, North American Philips Consumer Electronics Corp, US Philips Corp filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE3575370D1 publication Critical patent/DE3575370D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
DE8585201119T 1984-07-13 1985-07-08 Farbbildprojektionssystem. Expired - Lifetime DE3575370D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/630,629 US4679069A (en) 1984-07-13 1984-07-13 Color picture projection system with a wavelength-selective reflector for filtering out undesired light from a monochrome picture display source

Publications (1)

Publication Number Publication Date
DE3575370D1 true DE3575370D1 (de) 1990-02-15

Family

ID=24527947

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585201119T Expired - Lifetime DE3575370D1 (de) 1984-07-13 1985-07-08 Farbbildprojektionssystem.

Country Status (6)

Country Link
US (1) US4679069A (https=)
EP (1) EP0168116B1 (https=)
JP (1) JPS6146689A (https=)
AT (1) ATE49496T1 (https=)
CA (1) CA1300410C (https=)
DE (1) DE3575370D1 (https=)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4904061A (en) * 1984-10-22 1990-02-27 Seiko Epson Corporation Projection-type liquid crystal display device with even color
US4764806A (en) * 1986-10-27 1988-08-16 Tds Patent Management, Inc. Aplanatic image combiner for use in projection television systems with reduced spherical and coma aberration
NL8602974A (nl) * 1986-11-24 1988-06-16 Philips Nv Projektielenzenstelsel.
JP2565976B2 (ja) * 1988-04-04 1996-12-18 三菱電機株式会社 投写型テレビジョン装置
FR2633425B1 (fr) * 1988-06-28 1990-09-21 Morin Francois Dispositif d'affichage geant a cristaux liquides
US4918535A (en) * 1988-10-25 1990-04-17 Robert Bosch Gmbh Television projection system
US4914511A (en) * 1988-12-23 1990-04-03 North American Philips Corporation Projection color TV using CRTs having interference filters with different number of layers
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
US5103302A (en) * 1989-01-20 1992-04-07 Hitachi, Ltd. Optical system for projection type image display device
US5044730A (en) * 1989-02-08 1991-09-03 Artifex Corporation Color changing device
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
JP2942344B2 (ja) * 1989-11-22 1999-08-30 旭光学工業株式会社 プロジェクター
JPH03198492A (ja) * 1989-12-26 1991-08-29 Mitsubishi Electric Corp 投写型テレビジョン装置
US5055922A (en) * 1990-03-07 1991-10-08 U.S. Precision Lens Incorporated Color tv projection lens system
JPH0481801A (ja) * 1990-07-25 1992-03-16 Kuraray Co Ltd 光学用成形品
JP3110181B2 (ja) * 1992-01-08 2000-11-20 富士通株式会社 投射型表示装置
KR100200141B1 (ko) * 1995-02-15 1999-06-15 전주범 3빔투사방식의 투영기의 투영렌즈 구동장치
US20070195210A1 (en) * 2006-02-17 2007-08-23 Rudzki Robert W Portable high definition audio visual projection system
CA2955935A1 (en) 2014-07-22 2016-01-28 Barco, Inc. Display systems and methods employing wavelength multiplexing of colors
EP3172621A4 (en) 2014-07-22 2018-05-23 Barco Inc. Display systems and methods employing polarizing reflective screens
KR20170089833A (ko) 2014-07-22 2017-08-04 바르코 인코포레이티드 프로젝션 스크린 및 프로젝터의 시간 다중화를 사용하는 디스플레이 시스템 및 방법
KR20170080626A (ko) 2014-10-27 2017-07-10 바르코 인코포레이티드 마이크로 렌즈 또는 마이크로 거울의 어레이를 가지는 스크린을 사용하는 디스플레이 시스템 및 방법

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2697743A (en) * 1950-08-15 1954-12-21 Rca Corp Electron beam deflection system
US2803698A (en) * 1953-10-20 1957-08-20 Philips Corp Compatible color television receiver
NL195744A (https=) * 1955-03-19
JPS604635B2 (ja) * 1975-03-12 1985-02-05 ソニー株式会社 カラ−プロジエクタ
US4300156A (en) * 1977-04-21 1981-11-10 The Magnavox Company Projection television receiver having dichroic mirrors and a projecting lens with three different focal points
JPS575488A (en) * 1980-06-12 1982-01-12 Matsushita Electric Ind Co Ltd Television picture projector
JPS5737990A (en) * 1980-08-15 1982-03-02 Victor Co Of Japan Ltd Projection type color picture display device
US4400723A (en) * 1981-10-26 1983-08-23 Zenith Radio Corporation Optical assembly for projection television receiver
JPS5894286A (ja) * 1981-11-30 1983-06-04 Hitachi Ltd 背面投写ビデオプロジエクタ−
JPS58134593A (ja) * 1982-02-04 1983-08-10 Matsushita Electric Ind Co Ltd テレビジヨン画像投写装置
JPS58222689A (ja) * 1982-06-18 1983-12-24 Matsushita Electric Ind Co Ltd テレビジヨン画像投写装置
JPS5910086A (ja) * 1982-07-08 1984-01-19 Matsushita Electric Ind Co Ltd カラ−テレビジヨン投写装置
JPS59173023U (ja) * 1983-05-09 1984-11-19 パイオニア株式会社 投写形テレビジヨン用レンズ装置

Also Published As

Publication number Publication date
ATE49496T1 (de) 1990-01-15
EP0168116B1 (en) 1990-01-10
CA1300410C (en) 1992-05-12
JPH0313794B2 (https=) 1991-02-25
EP0168116A1 (en) 1986-01-15
US4679069A (en) 1987-07-07
JPS6146689A (ja) 1986-03-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: NORTH AMERICAN PHILIPS CORP., NEW YORK, N.Y., US N

8328 Change in the person/name/address of the agent

Free format text: KUPFERMANN, F., DIPL.-ING., PAT.-ANW., 2000 HAMBURG

8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS NORTH AMERICA CORP., NEW YORK,

8328 Change in the person/name/address of the agent

Free format text: PEUCKERT, H., DIPL.-ING., PAT.-ASS., 20097 HAMBURG

8339 Ceased/non-payment of the annual fee