JPS5378114A - External light shielding unit - Google Patents
External light shielding unitInfo
- Publication number
- JPS5378114A JPS5378114A JP15475176A JP15475176A JPS5378114A JP S5378114 A JPS5378114 A JP S5378114A JP 15475176 A JP15475176 A JP 15475176A JP 15475176 A JP15475176 A JP 15475176A JP S5378114 A JPS5378114 A JP S5378114A
- Authority
- JP
- Japan
- Prior art keywords
- external light
- light shielding
- shielding unit
- plate
- tilt
- 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.)
- Pending
Links
Landscapes
- Transforming Electric Information Into Light Information (AREA)
Abstract
PURPOSE: To make possible the observation of reproduced picture having good contrast, by shielding the external light incident from tilt and front through the provision of the shield plate having light deflection plate in front of the face plate of TV receiving tubes.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15475176A JPS5378114A (en) | 1976-12-22 | 1976-12-22 | External light shielding unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15475176A JPS5378114A (en) | 1976-12-22 | 1976-12-22 | External light shielding unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5378114A true JPS5378114A (en) | 1978-07-11 |
Family
ID=15591105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15475176A Pending JPS5378114A (en) | 1976-12-22 | 1976-12-22 | External light shielding unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5378114A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60254890A (en) * | 1984-05-30 | 1985-12-16 | Mitsubishi Electric Corp | Optical device of projection type television |
JPS61230578A (en) * | 1985-04-05 | 1986-10-14 | Nippon Telegr & Teleph Corp <Ntt> | Correcting method for picture |
JPS6218517A (en) * | 1985-07-17 | 1987-01-27 | Nissho Giken Kk | Board for eliminating reflected light out of visual field |
JPS6343101U (en) * | 1986-09-06 | 1988-03-23 | ||
US4820021A (en) * | 1984-03-19 | 1989-04-11 | Asahi Kasei Kogyo Kabushiki Kaisha | Light-shielding screen and a process for producing the same |
JPH01269915A (en) * | 1988-04-21 | 1989-10-27 | Nikon Corp | Spectacles |
-
1976
- 1976-12-22 JP JP15475176A patent/JPS5378114A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4820021A (en) * | 1984-03-19 | 1989-04-11 | Asahi Kasei Kogyo Kabushiki Kaisha | Light-shielding screen and a process for producing the same |
JPS60254890A (en) * | 1984-05-30 | 1985-12-16 | Mitsubishi Electric Corp | Optical device of projection type television |
JPS61230578A (en) * | 1985-04-05 | 1986-10-14 | Nippon Telegr & Teleph Corp <Ntt> | Correcting method for picture |
JPS6218517A (en) * | 1985-07-17 | 1987-01-27 | Nissho Giken Kk | Board for eliminating reflected light out of visual field |
JPS6343101U (en) * | 1986-09-06 | 1988-03-23 | ||
JPH01269915A (en) * | 1988-04-21 | 1989-10-27 | Nikon Corp | Spectacles |
JP2585997B2 (en) * | 1988-04-21 | 1997-02-26 | 株式会社ニコン | Eye mirror |
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