NL8602974A - Projektielenzenstelsel. - Google Patents
Projektielenzenstelsel. Download PDFInfo
- Publication number
- NL8602974A NL8602974A NL8602974A NL8602974A NL8602974A NL 8602974 A NL8602974 A NL 8602974A NL 8602974 A NL8602974 A NL 8602974A NL 8602974 A NL8602974 A NL 8602974A NL 8602974 A NL8602974 A NL 8602974A
- Authority
- NL
- Netherlands
- Prior art keywords
- lens
- projection
- lens element
- image
- aspherical
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 claims description 24
- 239000011521 glass Substances 0.000 claims description 15
- 239000000758 substrate Substances 0.000 claims description 12
- 229920003023 plastic Polymers 0.000 claims description 11
- 210000001747 pupil Anatomy 0.000 claims description 10
- 230000005855 radiation Effects 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 4
- 239000003086 colorant Substances 0.000 claims description 2
- 230000004075 alteration Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 6
- 230000009467 reduction Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 229920000515 polycarbonate Polymers 0.000 description 3
- 206010010071 Coma Diseases 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 241000087799 Koma Species 0.000 description 2
- 201000009310 astigmatism Diseases 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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)
- Projection Apparatus (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Transforming Electric Information Into Light Information (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8602974A NL8602974A (nl) | 1986-11-24 | 1986-11-24 | Projektielenzenstelsel. |
US07/009,443 US5026149A (en) | 1986-11-24 | 1987-02-02 | Projection lens system |
CA000552000A CA1308583C (en) | 1986-11-24 | 1987-11-17 | Projection lens system |
AT87202254T ATE89082T1 (de) | 1986-11-24 | 1987-11-18 | Projektionslinsensystem. |
DE87202254T DE3785734T2 (de) | 1986-11-24 | 1987-11-18 | Projektionslinsensystem. |
EP87202254A EP0272719B1 (de) | 1986-11-24 | 1987-11-18 | Projektionslinsensystem |
AU81435/87A AU8143587A (en) | 1986-11-24 | 1987-11-20 | Projection lens system |
JP62294272A JPS63148219A (ja) | 1986-11-24 | 1987-11-24 | 投影レンズ系 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8602974 | 1986-11-24 | ||
NL8602974A NL8602974A (nl) | 1986-11-24 | 1986-11-24 | Projektielenzenstelsel. |
Publications (1)
Publication Number | Publication Date |
---|---|
NL8602974A true NL8602974A (nl) | 1988-06-16 |
Family
ID=19848873
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8602974A NL8602974A (nl) | 1986-11-24 | 1986-11-24 | Projektielenzenstelsel. |
Country Status (8)
Country | Link |
---|---|
US (1) | US5026149A (de) |
EP (1) | EP0272719B1 (de) |
JP (1) | JPS63148219A (de) |
AT (1) | ATE89082T1 (de) |
AU (1) | AU8143587A (de) |
CA (1) | CA1308583C (de) |
DE (1) | DE3785734T2 (de) |
NL (1) | NL8602974A (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR970011873B1 (ko) * | 1994-09-08 | 1997-07-18 | 대우전자 주식회사 | 3빔분리방식 프로젝터의 투사각조정장치 |
US6124979A (en) * | 1997-09-10 | 2000-09-26 | Hitachi, Ltd. | Projection display apparatus and projection lens device for use therein |
CN100432736C (zh) * | 2005-06-02 | 2008-11-12 | 深圳市科创数字显示技术有限公司 | 转90度角背投影物镜 |
TWI545365B (zh) | 2015-02-17 | 2016-08-11 | 大立光電股份有限公司 | 取像鏡頭組、取像裝置及電子裝置 |
TWI601994B (zh) | 2015-12-15 | 2017-10-11 | 大立光電股份有限公司 | 取像用光學鏡頭組、取像裝置及電子裝置 |
CN105785557B (zh) * | 2016-03-10 | 2018-05-01 | 浙江水晶光电科技股份有限公司 | 一种超短焦投影物镜 |
TWI613480B (zh) | 2017-02-08 | 2018-02-01 | 大立光電股份有限公司 | 光學取像鏡片系統、取像裝置及電子裝置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2256421B1 (de) * | 1973-12-28 | 1976-11-19 | Sopelem | |
US4526442A (en) * | 1981-01-28 | 1985-07-02 | U.S. Precision Lens, Inc. | Compact projection lens |
JPS57185401A (en) * | 1981-05-12 | 1982-11-15 | Ricoh Co Ltd | Image forming element |
JPS6049311A (ja) * | 1983-08-29 | 1985-03-18 | Nippon Kogaku Kk <Nikon> | 投影レンズ |
NL8304212A (nl) * | 1983-12-07 | 1984-10-01 | Philips Nv | Enkelvoudige collimatorlens met een asferisch oppervlak. |
JPH0740086B2 (ja) * | 1984-02-22 | 1995-05-01 | 株式会社日立製作所 | 投射型テレビ装置 |
JPS60243601A (ja) * | 1984-05-18 | 1985-12-03 | Hitachi Ltd | 非球面レンズ、及びその製造方法 |
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 |
NL8500454A (nl) * | 1985-02-18 | 1986-09-16 | Philips Nv | Projektielenzenstelsel. |
-
1986
- 1986-11-24 NL NL8602974A patent/NL8602974A/nl not_active Application Discontinuation
-
1987
- 1987-02-02 US US07/009,443 patent/US5026149A/en not_active Expired - Fee Related
- 1987-11-17 CA CA000552000A patent/CA1308583C/en not_active Expired - Lifetime
- 1987-11-18 AT AT87202254T patent/ATE89082T1/de active
- 1987-11-18 DE DE87202254T patent/DE3785734T2/de not_active Expired - Fee Related
- 1987-11-18 EP EP87202254A patent/EP0272719B1/de not_active Expired - Lifetime
- 1987-11-20 AU AU81435/87A patent/AU8143587A/en not_active Abandoned
- 1987-11-24 JP JP62294272A patent/JPS63148219A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
ATE89082T1 (de) | 1993-05-15 |
CA1308583C (en) | 1992-10-13 |
EP0272719A1 (de) | 1988-06-29 |
DE3785734D1 (de) | 1993-06-09 |
JPS63148219A (ja) | 1988-06-21 |
DE3785734T2 (de) | 1993-11-11 |
EP0272719B1 (de) | 1993-05-05 |
US5026149A (en) | 1991-06-25 |
AU8143587A (en) | 1988-05-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1B | A search report has been drawn up | ||
BV | The patent application has lapsed |