JPS5734515A - Refracting index type optical system for video projector - Google Patents
Refracting index type optical system for video projectorInfo
- Publication number
- JPS5734515A JPS5734515A JP10960480A JP10960480A JPS5734515A JP S5734515 A JPS5734515 A JP S5734515A JP 10960480 A JP10960480 A JP 10960480A JP 10960480 A JP10960480 A JP 10960480A JP S5734515 A JPS5734515 A JP S5734515A
- Authority
- JP
- Japan
- Prior art keywords
- group
- screen side
- lens
- faces
- optical system
- 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.)
- Granted
Links
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
- 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
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10960480A JPS5734515A (en) | 1980-08-09 | 1980-08-09 | Refracting index type optical system for video projector |
US06/347,032 US4577935A (en) | 1980-03-03 | 1982-02-08 | Video projector lens system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10960480A JPS5734515A (en) | 1980-08-09 | 1980-08-09 | Refracting index type optical system for video projector |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5734515A true JPS5734515A (en) | 1982-02-24 |
JPH0310925B2 JPH0310925B2 (ja) | 1991-02-14 |
Family
ID=14514487
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10960480A Granted JPS5734515A (en) | 1980-03-03 | 1980-08-09 | Refracting index type optical system for video projector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5734515A (ja) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58125007A (ja) * | 1982-01-20 | 1983-07-25 | Matsushita Electric Ind Co Ltd | 投影レンズ |
JPS58181009A (ja) * | 1982-04-16 | 1983-10-22 | Matsushita Electric Ind Co Ltd | 投影レンズ |
JPS58198017A (ja) * | 1982-05-15 | 1983-11-17 | Hitachi Ltd | 投影レンズ |
JPS58220115A (ja) * | 1982-06-17 | 1983-12-21 | Canon Inc | 広角レンズ系 |
JPS59133518A (ja) * | 1983-01-20 | 1984-07-31 | Matsushita Electric Ind Co Ltd | 光路折り曲げ式投影レンズ |
JPS59133517A (ja) * | 1983-01-21 | 1984-07-31 | Nippon Kogaku Kk <Nikon> | 投影レンズ |
JPS6067914A (ja) * | 1983-09-22 | 1985-04-18 | Konishiroku Photo Ind Co Ltd | テレビプロジェクタ用投影レンズ |
JPS6073514A (ja) * | 1983-09-30 | 1985-04-25 | Hitachi Ltd | プロジェクションテレビ用レンズ |
JPS60177478U (ja) * | 1984-05-07 | 1985-11-25 | 日本電気株式会社 | テ−ブルタツプ |
JPS6180119A (ja) * | 1984-09-27 | 1986-04-23 | Matsushita Electric Ind Co Ltd | 投写光学装置 |
JPS61147213A (ja) * | 1984-12-20 | 1986-07-04 | Matsushita Electric Ind Co Ltd | 投写レンズ |
JPS61180214A (ja) * | 1985-02-06 | 1986-08-12 | Matsushita Electric Ind Co Ltd | 投写レンズ |
JPS61189513A (ja) * | 1985-02-18 | 1986-08-23 | エヌ・ベー・フイリツプス・フルーイランペンフアブリケン | 投写レンズ系 |
US4690515A (en) * | 1984-12-20 | 1987-09-01 | Matsushita Electric Industrial Co., Ltd. | Compact projection lens |
-
1980
- 1980-08-09 JP JP10960480A patent/JPS5734515A/ja active Granted
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6218894B2 (ja) * | 1982-01-20 | 1987-04-24 | Matsushita Electric Ind Co Ltd | |
JPS58125007A (ja) * | 1982-01-20 | 1983-07-25 | Matsushita Electric Ind Co Ltd | 投影レンズ |
JPS58181009A (ja) * | 1982-04-16 | 1983-10-22 | Matsushita Electric Ind Co Ltd | 投影レンズ |
JPH0411847B2 (ja) * | 1982-04-16 | 1992-03-02 | Matsushita Electric Ind Co Ltd | |
JPS58198017A (ja) * | 1982-05-15 | 1983-11-17 | Hitachi Ltd | 投影レンズ |
JPH0548449B2 (ja) * | 1982-05-15 | 1993-07-21 | Hitachi Ltd | |
JPS58220115A (ja) * | 1982-06-17 | 1983-12-21 | Canon Inc | 広角レンズ系 |
JPS59133518A (ja) * | 1983-01-20 | 1984-07-31 | Matsushita Electric Ind Co Ltd | 光路折り曲げ式投影レンズ |
JPS59133517A (ja) * | 1983-01-21 | 1984-07-31 | Nippon Kogaku Kk <Nikon> | 投影レンズ |
JPH0423764B2 (ja) * | 1983-01-21 | 1992-04-23 | Nippon Kogaku Kk | |
JPH0433005B2 (ja) * | 1983-09-22 | 1992-06-01 | Konishiroku Photo Ind | |
JPS6067914A (ja) * | 1983-09-22 | 1985-04-18 | Konishiroku Photo Ind Co Ltd | テレビプロジェクタ用投影レンズ |
JPS6073514A (ja) * | 1983-09-30 | 1985-04-25 | Hitachi Ltd | プロジェクションテレビ用レンズ |
JPH0578010B2 (ja) * | 1983-09-30 | 1993-10-27 | Hitachi Ltd | |
JPS60177478U (ja) * | 1984-05-07 | 1985-11-25 | 日本電気株式会社 | テ−ブルタツプ |
JPS6180119A (ja) * | 1984-09-27 | 1986-04-23 | Matsushita Electric Ind Co Ltd | 投写光学装置 |
JPS61147213A (ja) * | 1984-12-20 | 1986-07-04 | Matsushita Electric Ind Co Ltd | 投写レンズ |
US4690515A (en) * | 1984-12-20 | 1987-09-01 | Matsushita Electric Industrial Co., Ltd. | Compact projection lens |
JPS61180214A (ja) * | 1985-02-06 | 1986-08-12 | Matsushita Electric Ind Co Ltd | 投写レンズ |
JPS61189513A (ja) * | 1985-02-18 | 1986-08-23 | エヌ・ベー・フイリツプス・フルーイランペンフアブリケン | 投写レンズ系 |
Also Published As
Publication number | Publication date |
---|---|
JPH0310925B2 (ja) | 1991-02-14 |
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