JPH0433005B2 - - Google Patents
Info
- Publication number
- JPH0433005B2 JPH0433005B2 JP58174297A JP17429783A JPH0433005B2 JP H0433005 B2 JPH0433005 B2 JP H0433005B2 JP 58174297 A JP58174297 A JP 58174297A JP 17429783 A JP17429783 A JP 17429783A JP H0433005 B2 JPH0433005 B2 JP H0433005B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- curvature
- screen
- radius
- vertex
- 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
- 230000004075 alteration Effects 0.000 description 12
- 206010010071 Coma Diseases 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 201000009310 astigmatism Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 208000016261 weight loss Diseases 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
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17429783A JPS6067914A (ja) | 1983-09-22 | 1983-09-22 | テレビプロジェクタ用投影レンズ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17429783A JPS6067914A (ja) | 1983-09-22 | 1983-09-22 | テレビプロジェクタ用投影レンズ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6067914A JPS6067914A (ja) | 1985-04-18 |
JPH0433005B2 true JPH0433005B2 (US20090163788A1-20090625-C00002.png) | 1992-06-01 |
Family
ID=15976198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17429783A Granted JPS6067914A (ja) | 1983-09-22 | 1983-09-22 | テレビプロジェクタ用投影レンズ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6067914A (US20090163788A1-20090625-C00002.png) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55124114A (en) * | 1978-09-08 | 1980-09-25 | Us Precision Lens Inc | Projector lens |
JPS5734515A (en) * | 1980-08-09 | 1982-02-24 | Minolta Camera Co Ltd | Refracting index type optical system for video projector |
JPS57108818A (en) * | 1980-12-26 | 1982-07-07 | Nippon Kogaku Kk <Nikon> | Projection lens |
JPS58118616A (ja) * | 1982-01-08 | 1983-07-14 | Minolta Camera Co Ltd | ビデオプロジエクタ−用屈折型光学系 |
JPS58125007A (ja) * | 1982-01-20 | 1983-07-25 | Matsushita Electric Ind Co Ltd | 投影レンズ |
JPS58139110A (ja) * | 1982-02-12 | 1983-08-18 | Matsushita Electric Ind Co Ltd | プロジエクシヨンレンズ |
JPS58140708A (ja) * | 1982-02-16 | 1983-08-20 | Matsushita Electric Ind Co Ltd | 投影レンズ |
-
1983
- 1983-09-22 JP JP17429783A patent/JPS6067914A/ja active Granted
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55124114A (en) * | 1978-09-08 | 1980-09-25 | Us Precision Lens Inc | Projector lens |
JPS5734515A (en) * | 1980-08-09 | 1982-02-24 | Minolta Camera Co Ltd | Refracting index type optical system for video projector |
JPS57108818A (en) * | 1980-12-26 | 1982-07-07 | Nippon Kogaku Kk <Nikon> | Projection lens |
JPS58118616A (ja) * | 1982-01-08 | 1983-07-14 | Minolta Camera Co Ltd | ビデオプロジエクタ−用屈折型光学系 |
JPS58125007A (ja) * | 1982-01-20 | 1983-07-25 | Matsushita Electric Ind Co Ltd | 投影レンズ |
JPS58139110A (ja) * | 1982-02-12 | 1983-08-18 | Matsushita Electric Ind Co Ltd | プロジエクシヨンレンズ |
JPS58140708A (ja) * | 1982-02-16 | 1983-08-20 | Matsushita Electric Ind Co Ltd | 投影レンズ |
Also Published As
Publication number | Publication date |
---|---|
JPS6067914A (ja) | 1985-04-18 |
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