JPH0521211B2 - - Google Patents
Info
- Publication number
- JPH0521211B2 JPH0521211B2 JP58105874A JP10587483A JPH0521211B2 JP H0521211 B2 JPH0521211 B2 JP H0521211B2 JP 58105874 A JP58105874 A JP 58105874A JP 10587483 A JP10587483 A JP 10587483A JP H0521211 B2 JPH0521211 B2 JP H0521211B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- liquid
- refractive index
- lens
- projection device
- 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
Links
- 230000007423 decrease Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims 6
- 230000001419 dependent effect Effects 0.000 claims 2
- 230000008602 contraction Effects 0.000 claims 1
- 230000006866 deterioration Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 5
- 239000000113 methacrylic resin Substances 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/86—Vessels; Containers; Vacuum locks
- H01J29/89—Optical or photographic arrangements structurally combined or co-operating with the vessel
- H01J29/894—Arrangements combined with the vessel for the purpose of image projection on a screen
-
- 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
- H04N5/7408—Direct viewing projectors, e.g. an image displayed on a video CRT or LCD display being projected on a screen
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Lens Barrels (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Lenses (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58105874A JPS59232314A (ja) | 1983-06-15 | 1983-06-15 | 温度補償付画像投写装置 |
KR8403193A KR870001868B1 (en) | 1983-06-15 | 1984-06-08 | Video projection apparatus with temperature compensation device |
US06/620,930 US4609945A (en) | 1983-06-15 | 1984-06-15 | Video projection apparatus with temperature compensation device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58105874A JPS59232314A (ja) | 1983-06-15 | 1983-06-15 | 温度補償付画像投写装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59232314A JPS59232314A (ja) | 1984-12-27 |
JPH0521211B2 true JPH0521211B2 (en]) | 1993-03-23 |
Family
ID=14419089
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58105874A Granted JPS59232314A (ja) | 1983-06-15 | 1983-06-15 | 温度補償付画像投写装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US4609945A (en]) |
JP (1) | JPS59232314A (en]) |
KR (1) | KR870001868B1 (en]) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4755868A (en) * | 1984-02-08 | 1988-07-05 | Tds Patent Management, Inc. | High brightness projection TV system using one or more CRTs with a concave phosphor surface acting to concentrate light into a lens system |
JPS61116306A (ja) * | 1984-10-19 | 1986-06-03 | Fuji Photo Film Co Ltd | 結像レンズの保持装置 |
JPS61162014A (ja) * | 1985-01-10 | 1986-07-22 | Ricoh Co Ltd | 平行レ−ザ−ビ−ム用光源装置 |
NL8500842A (nl) * | 1985-03-22 | 1986-10-16 | Philips Nv | Projectietelevisiebeeldbuis. |
US4777532A (en) * | 1985-08-06 | 1988-10-11 | Pioneer Electronic Corporation | Projection apparatus for a projection television receiver |
GB8608925D0 (en) * | 1986-04-11 | 1986-05-14 | Philips Nv | Projection television system |
JPS62277117A (ja) * | 1986-05-26 | 1987-12-02 | Jiyuujiyouha Giken Kk | 濾過装置 |
JPS6329129U (en]) * | 1986-08-09 | 1988-02-25 | ||
JPS63155523A (ja) * | 1986-12-19 | 1988-06-28 | Pioneer Electronic Corp | ビデオプロジエクタ−用冷却装置 |
NL8700440A (nl) * | 1987-02-23 | 1988-09-16 | Philips Nv | Optische inrichting bevattende een houder met daarin aangebracht een optisch stelsel. |
US4982289A (en) * | 1989-05-15 | 1991-01-01 | Matsushita Electric Industrial Co., Ltd. | Liquid cooled cathode ray tube apparatus for video projection system |
US5412510A (en) * | 1989-05-15 | 1995-05-02 | Asahi Kogaku Kogyo Kabushiki Kaisha | Imaging optical system for compensating change of temperature |
US5196957A (en) * | 1990-03-20 | 1993-03-23 | Olive Tree Technology, Inc. | Laser scanner with post-facet lens system |
JPH0481801A (ja) * | 1990-07-25 | 1992-03-16 | Kuraray Co Ltd | 光学用成形品 |
JP3193062B2 (ja) * | 1990-12-26 | 2001-07-30 | パイオニア株式会社 | 3管式プロジェクションテレビ |
JP3210361B2 (ja) * | 1991-05-30 | 2001-09-17 | ソニー株式会社 | プロジェクター |
JP2869694B2 (ja) * | 1992-10-26 | 1999-03-10 | 三菱電機株式会社 | 投写型表示装置 |
JP3627252B2 (ja) * | 1994-03-30 | 2005-03-09 | ソニー株式会社 | プロジェクションテレビのレンズ組立体およびプロジェクションテレビ装置 |
US6104554A (en) * | 1999-05-06 | 2000-08-15 | U.S. Precision Lens | Projection television lens assembly |
US7570386B2 (en) * | 2005-09-15 | 2009-08-04 | Lexmark International, Inc. | Systems and methods that compensate for scan path errors in a multi-beam electrophotographic imaging apparatus |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4405949A (en) * | 1982-03-22 | 1983-09-20 | Zenith Radio Corporation | Liquid cooling in projection cathode ray tubes |
US4511927A (en) * | 1983-01-10 | 1985-04-16 | National Viewtech Corp. | Liquid coupling system for video projectors |
-
1983
- 1983-06-15 JP JP58105874A patent/JPS59232314A/ja active Granted
-
1984
- 1984-06-08 KR KR8403193A patent/KR870001868B1/ko not_active Expired
- 1984-06-15 US US06/620,930 patent/US4609945A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR850000871A (ko) | 1985-03-09 |
KR870001868B1 (en) | 1987-10-17 |
US4609945A (en) | 1986-09-02 |
JPS59232314A (ja) | 1984-12-27 |
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