DE69121743D1 - Verbessertes Farb-TV Projektionslinsensystem - Google Patents
Verbessertes Farb-TV ProjektionslinsensystemInfo
- Publication number
- DE69121743D1 DE69121743D1 DE69121743T DE69121743T DE69121743D1 DE 69121743 D1 DE69121743 D1 DE 69121743D1 DE 69121743 T DE69121743 T DE 69121743T DE 69121743 T DE69121743 T DE 69121743T DE 69121743 D1 DE69121743 D1 DE 69121743D1
- Authority
- DE
- Germany
- Prior art keywords
- lens system
- projection lens
- improved color
- color
- improved
- 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 - Fee Related
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
- 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
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)
- Lenses (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Optical Filters (AREA)
- Surface Treatment Of Optical Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/490,050 US5055922A (en) | 1990-03-07 | 1990-03-07 | Color tv projection lens system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69121743D1 true DE69121743D1 (de) | 1996-10-10 |
DE69121743T2 DE69121743T2 (de) | 1997-01-02 |
Family
ID=23946413
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69121743T Expired - Fee Related DE69121743T2 (de) | 1990-03-07 | 1991-01-24 | Verbessertes Farb-TV Projektionslinsensystem |
Country Status (5)
Country | Link |
---|---|
US (1) | US5055922A (de) |
EP (1) | EP0445513B1 (de) |
JP (1) | JP3064026B2 (de) |
CA (1) | CA2034914C (de) |
DE (1) | DE69121743T2 (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5272540A (en) * | 1989-04-28 | 1993-12-21 | Hitachi, Ltd. | Temperature compensating lens system for projection television |
JPH0451107A (ja) * | 1990-06-19 | 1992-02-19 | Matsushita Electric Ind Co Ltd | 投写型テレビジョン装置 |
JPH0481801A (ja) * | 1990-07-25 | 1992-03-16 | Kuraray Co Ltd | 光学用成形品 |
US5659424A (en) * | 1993-05-25 | 1997-08-19 | Hitachi, Ltd. | Projecting lens and image display device |
US5329363A (en) * | 1993-06-15 | 1994-07-12 | U. S. Precision Lens Incorporated | Projection lens systems having reduced spherochromatism |
US5455713A (en) * | 1993-06-23 | 1995-10-03 | Kreitzer; Melvyn H. | High performance, thermally-stabilized projection television lens systems |
DE69629257T2 (de) * | 1995-09-21 | 2004-04-22 | 3M Innovative Properties Co., St. Paul | Linsensystem für Fernsehprojektionsvorrichtung |
US5936776A (en) * | 1996-09-27 | 1999-08-10 | U.S. Precision Lens Inc. | Focusable front projection lens systems for use with large screen formats |
US6025959A (en) * | 1997-01-13 | 2000-02-15 | U.S. Precision Lens Inc. | Color corrected projection lenses for use with curved faceplate cathode ray tubes |
US6141154A (en) * | 1997-08-22 | 2000-10-31 | U.S. Precision Lens Inc. | Focusable, color corrected, high performance projection lens systems |
US6411444B1 (en) | 1998-06-30 | 2002-06-25 | Corning Precision Lens, Incorporated | Lenses for electronic imaging systems having long wavelength filtering properties |
EP1129370B1 (de) | 1998-11-12 | 2006-02-08 | 3M Innovative Properties Company | Farbkorrigierte projektionslinsen mit verwendung von diffraktiven optischen oberflächen |
US6825888B1 (en) | 1999-06-25 | 2004-11-30 | Mitsubishi Digital Electronics America, Inc. | Closure member for optical unit spacer bracket |
KR20010020044A (ko) * | 1999-08-31 | 2001-03-15 | 구자홍 | 프로젝션 텔레비젼 |
US6717626B1 (en) | 2000-05-08 | 2004-04-06 | Mitsubishi Digital Electronics America, Inc. | High contrast projection television shield |
US6377319B1 (en) | 2000-05-15 | 2002-04-23 | Masayoshi Shinobu | CRT mounting bracket for projection television sets |
US6369864B1 (en) | 2000-05-15 | 2002-04-09 | Mitsubishi Digital Electronics | Optical unit spacer-bracket for projection television sets |
US6496232B1 (en) | 2000-05-15 | 2002-12-17 | Mitsubishi Digital Electronics America, Inc. | Optical unit sealing devices for projection television sets |
US6791629B2 (en) * | 2000-11-09 | 2004-09-14 | 3M Innovative Properties Company | Lens systems for projection televisions |
US20030151832A1 (en) * | 2002-01-14 | 2003-08-14 | Arthur Berman | Method and apparatus for enclosing optical assemblies |
US6873480B2 (en) * | 2001-11-08 | 2005-03-29 | Lightmaster Systems, Inc. | Method and apparatus for packaging optical elements |
WO2003107274A2 (en) * | 2002-06-12 | 2003-12-24 | Silicon Optix Inc. | System and method for electronic correction of optical anomalies |
WO2005004472A1 (en) * | 2003-07-01 | 2005-01-13 | Samsung Electronics Co., Ltd. | Projection optical system, projection television, and method of manufacturing lens included in projection optical system |
KR100571934B1 (ko) * | 2003-07-01 | 2006-04-17 | 삼성전자주식회사 | 투사광학계, 프로젝션 텔레비전 및 투사광학계의 렌즈제조 방법 |
JP2005092182A (ja) * | 2003-08-13 | 2005-04-07 | Sony Corp | 投写型表示装置 |
RU2256943C1 (ru) * | 2003-10-30 | 2005-07-20 | Корпорация "САМСУНГ ЭЛЕКТРОНИКС Ко., Лтд." | Объектив для проекционного телевизора |
KR100717060B1 (ko) * | 2005-12-05 | 2007-05-10 | 삼성전자주식회사 | 홈 네트워크를 통해 dvd 컨텐츠를 이용하는 방법 및장치 |
CN103353668B (zh) * | 2013-06-28 | 2015-03-18 | 浙江舜宇光学有限公司 | 微型摄像镜头 |
ES2570808B1 (es) * | 2014-11-19 | 2017-03-24 | José Luis SEOANE PENA | Proyector de lente planoconvexa mejorado |
CN106980169B (zh) * | 2016-12-14 | 2019-11-19 | 瑞声科技(新加坡)有限公司 | 摄像光学镜头 |
CN106842506B (zh) * | 2017-03-03 | 2019-07-05 | 瑞声科技(新加坡)有限公司 | 摄像光学镜头 |
CN106842507B (zh) * | 2017-03-03 | 2019-11-19 | 瑞声科技(新加坡)有限公司 | 摄像光学镜头 |
CN107065150B (zh) * | 2017-03-03 | 2020-02-04 | 瑞声科技(新加坡)有限公司 | 摄像光学镜头 |
CN106842508B (zh) * | 2017-03-03 | 2019-07-05 | 瑞声科技(新加坡)有限公司 | 摄像光学镜头 |
CN107065132B (zh) * | 2017-03-03 | 2020-02-04 | 瑞声科技(新加坡)有限公司 | 摄像光学镜头 |
CN108152922B (zh) * | 2017-12-25 | 2020-06-09 | 瑞声通讯科技(常州)有限公司 | 摄像光学镜头 |
Family Cites Families (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2017190A (en) * | 1933-03-10 | 1935-10-15 | Natural Color Inc | Optical system for natural color cinematography |
US2337980A (en) * | 1941-04-26 | 1943-12-28 | Du Mont Allen B Lab Inc | System for color television receivers |
US2385770A (en) * | 1942-01-09 | 1945-10-02 | Charles A Birch-Field | Projection in color |
US2336134A (en) * | 1942-05-13 | 1943-12-07 | Rauland Corp | Color television system |
US2515862A (en) * | 1947-10-25 | 1950-07-18 | Saul Jeffee | Optical device |
US2669900A (en) * | 1949-02-01 | 1954-02-23 | Rca Corp | Optical projection and registration system |
US2586558A (en) * | 1949-09-29 | 1952-02-19 | Prismacolor Pictures Inc | Three color television system |
US2638499A (en) * | 1950-01-24 | 1953-05-12 | Rca Corp | Color television system |
US2654854A (en) * | 1950-12-22 | 1953-10-06 | Rca Corp | Image registration in color television systems or the like |
US2747460A (en) * | 1952-07-15 | 1956-05-29 | Calvi Pericles | Image combining means for color television apparatus |
GB1080204A (en) * | 1965-06-09 | 1967-08-23 | Rudolph Rodenstock | Means for flattening the image field of electron image tubes |
DE2315920A1 (de) * | 1973-03-30 | 1974-10-03 | Leitz Ernst Gmbh | Objektiv zur uebertragung monochromatischer strahlung |
CH595458A5 (de) * | 1975-03-07 | 1978-02-15 | Balzers Patent Beteilig Ag | |
US4300187A (en) * | 1979-12-17 | 1981-11-10 | General Electric Company | Adjustable floodlight reflector |
JPS5737990A (en) * | 1980-08-15 | 1982-03-02 | Victor Co Of Japan Ltd | Projection type color picture display device |
US4526442A (en) * | 1981-01-28 | 1985-07-02 | U.S. Precision Lens, Inc. | Compact projection lens |
JPS6028144A (ja) * | 1983-07-27 | 1985-02-13 | Hitachi Ltd | 画像投写装置 |
US4810075A (en) * | 1984-03-26 | 1989-03-07 | Hitachi, Ltd. | Projection system with a cathode ray tube and a lens |
US4679069A (en) * | 1984-07-13 | 1987-07-07 | Nap Consumer Electronics Corp. | Color picture projection system with a wavelength-selective reflector for filtering out undesired light from a monochrome picture display source |
JPS61200521A (ja) * | 1985-03-01 | 1986-09-05 | Konishiroku Photo Ind Co Ltd | テレビプロジエクタ−用投影レンズ |
GB8608925D0 (en) * | 1986-04-11 | 1986-05-14 | Philips Nv | Projection television system |
JPS62262819A (ja) * | 1986-05-09 | 1987-11-14 | Matsushita Electric Ind Co Ltd | 投写レンズ |
US4838670A (en) * | 1986-09-05 | 1989-06-13 | Konishiroku Photo Industry Co., Ltd. | Projection lens for a projector |
JPS6365401A (ja) * | 1986-09-05 | 1988-03-24 | Minolta Camera Co Ltd | 着色プラスチツクレンズを用いた撮影レンズ |
NL8602975A (nl) * | 1986-11-24 | 1988-06-16 | Philips Nv | Beeldprojektiestelsel. |
GB8629552D0 (en) * | 1986-12-10 | 1987-01-21 | Philips Nv | Television system & display tubes |
US4806583A (en) * | 1987-06-19 | 1989-02-21 | Battaglia Charles R | Antiglare coating |
JP2954217B2 (ja) * | 1987-12-09 | 1999-09-27 | 株式会社日立製作所 | 投写用レンズ |
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 |
US4937661A (en) * | 1988-07-11 | 1990-06-26 | North American Philips Corporation | Projection television display tube and device having band pass interference filter |
-
1990
- 1990-03-07 US US07/490,050 patent/US5055922A/en not_active Expired - Lifetime
-
1991
- 1991-01-24 DE DE69121743T patent/DE69121743T2/de not_active Expired - Fee Related
- 1991-01-24 EP EP91100884A patent/EP0445513B1/de not_active Expired - Lifetime
- 1991-01-24 CA CA002034914A patent/CA2034914C/en not_active Expired - Fee Related
- 1991-03-07 JP JP3041881A patent/JP3064026B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2034914A1 (en) | 1991-09-08 |
JPH0772327A (ja) | 1995-03-17 |
CA2034914C (en) | 2000-09-05 |
EP0445513A1 (de) | 1991-09-11 |
JP3064026B2 (ja) | 2000-07-12 |
DE69121743T2 (de) | 1997-01-02 |
US5055922A (en) | 1991-10-08 |
EP0445513B1 (de) | 1996-09-04 |
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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: 3M INNOVATIVE PROPERTIES CO., ST. PAUL, MINN., US |
|
8339 | Ceased/non-payment of the annual fee |