JPH0576834B2 - - Google Patents
Info
- Publication number
- JPH0576834B2 JPH0576834B2 JP59216738A JP21673884A JPH0576834B2 JP H0576834 B2 JPH0576834 B2 JP H0576834B2 JP 59216738 A JP59216738 A JP 59216738A JP 21673884 A JP21673884 A JP 21673884A JP H0576834 B2 JPH0576834 B2 JP H0576834B2
- Authority
- JP
- Japan
- Prior art keywords
- optical axis
- group
- projection
- rear group
- lens
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Transforming Electric Information Into Light Information (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59216738A JPS6195689A (ja) | 1984-10-16 | 1984-10-16 | テレビジヨン画像投写装置 |
US06/780,680 US4753519A (en) | 1984-09-27 | 1985-09-26 | Optical system for projection television apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59216738A JPS6195689A (ja) | 1984-10-16 | 1984-10-16 | テレビジヨン画像投写装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6195689A JPS6195689A (ja) | 1986-05-14 |
JPH0576834B2 true JPH0576834B2 (en]) | 1993-10-25 |
Family
ID=16693153
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59216738A Granted JPS6195689A (ja) | 1984-09-27 | 1984-10-16 | テレビジヨン画像投写装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6195689A (en]) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0750938B2 (ja) * | 1987-11-11 | 1995-05-31 | 株式会社日立製作所 | 投写形テレビ用光学系 |
JPH02116284A (ja) * | 1988-10-26 | 1990-04-27 | Pioneer Electron Corp | 3管式プロジェクションテレビ |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5628571A (en) * | 1979-08-16 | 1981-03-20 | Matsushita Electric Ind Co Ltd | Television projecting unit |
US4376949A (en) * | 1981-06-11 | 1983-03-15 | Zenith Radio Corporation | Color projection TV systems |
JPS59149106U (ja) * | 1983-03-25 | 1984-10-05 | 株式会社日立製作所 | 投写用レンズ装置 |
-
1984
- 1984-10-16 JP JP59216738A patent/JPS6195689A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6195689A (ja) | 1986-05-14 |
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