JPS55114081A - Television picture projector - Google Patents
Television picture projectorInfo
- Publication number
- JPS55114081A JPS55114081A JP2159779A JP2159779A JPS55114081A JP S55114081 A JPS55114081 A JP S55114081A JP 2159779 A JP2159779 A JP 2159779A JP 2159779 A JP2159779 A JP 2159779A JP S55114081 A JPS55114081 A JP S55114081A
- Authority
- JP
- Japan
- Prior art keywords
- optical axis
- mirror
- projection screen
- concave
- astigmation
- 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
Landscapes
- Transforming Electric Information Into Light Information (AREA)
- Projection Apparatus (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2159779A JPS55114081A (en) | 1979-02-26 | 1979-02-26 | Television picture projector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2159779A JPS55114081A (en) | 1979-02-26 | 1979-02-26 | Television picture projector |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55114081A true JPS55114081A (en) | 1980-09-03 |
JPS6150551B2 JPS6150551B2 (en) | 1986-11-05 |
Family
ID=12059437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2159779A Granted JPS55114081A (en) | 1979-02-26 | 1979-02-26 | Television picture projector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55114081A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5920772U (en) * | 1982-07-28 | 1984-02-08 | 日本電気ホームエレクトロニクス株式会社 | Projection type cathode ray tube device |
EP0741309A2 (en) * | 1995-05-04 | 1996-11-06 | Joaquim Antonio Abrantes Candeias | Corrected objective lens composed of mirrors |
JP2009145672A (en) * | 2007-12-14 | 2009-07-02 | Sanyo Electric Co Ltd | Projection optical system and projection image display device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63230017A (en) * | 1987-03-19 | 1988-09-26 | ヤンマー農機株式会社 | Threshing apparatus |
-
1979
- 1979-02-26 JP JP2159779A patent/JPS55114081A/en active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5920772U (en) * | 1982-07-28 | 1984-02-08 | 日本電気ホームエレクトロニクス株式会社 | Projection type cathode ray tube device |
EP0741309A2 (en) * | 1995-05-04 | 1996-11-06 | Joaquim Antonio Abrantes Candeias | Corrected objective lens composed of mirrors |
EP0741309A3 (en) * | 1995-05-04 | 1996-12-27 | Candeias Joaquim Anto Abrantes | Corrected objective lens composed of mirrors |
JP2009145672A (en) * | 2007-12-14 | 2009-07-02 | Sanyo Electric Co Ltd | Projection optical system and projection image display device |
Also Published As
Publication number | Publication date |
---|---|
JPS6150551B2 (en) | 1986-11-05 |
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