JPS52114216A - Television image projection unit - Google Patents
Television image projection unitInfo
- Publication number
- JPS52114216A JPS52114216A JP3162576A JP3162576A JPS52114216A JP S52114216 A JPS52114216 A JP S52114216A JP 3162576 A JP3162576 A JP 3162576A JP 3162576 A JP3162576 A JP 3162576A JP S52114216 A JPS52114216 A JP S52114216A
- Authority
- JP
- Japan
- Prior art keywords
- image projection
- projection unit
- television image
- central
- screen
- 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
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Abstract
PURPOSE: To obtain better contrast of the image as well as preparing uniform brightness over the central and peripheral portion of the screen, by designing the optical reflection ratio on the CRT screen smaller on its central portion and larger as it expands toward the periphery.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP51031625A JPS5851380B2 (en) | 1976-03-22 | 1976-03-22 | television image projection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP51031625A JPS5851380B2 (en) | 1976-03-22 | 1976-03-22 | television image projection device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52114216A true JPS52114216A (en) | 1977-09-24 |
JPS5851380B2 JPS5851380B2 (en) | 1983-11-16 |
Family
ID=12336387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51031625A Expired JPS5851380B2 (en) | 1976-03-22 | 1976-03-22 | television image projection device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5851380B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04352593A (en) * | 1991-05-30 | 1992-12-07 | Mitsubishi Electric Corp | Projective television set |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4820894Y1 (en) * | 1967-02-01 | 1973-06-18 |
-
1976
- 1976-03-22 JP JP51031625A patent/JPS5851380B2/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4820894Y1 (en) * | 1967-02-01 | 1973-06-18 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04352593A (en) * | 1991-05-30 | 1992-12-07 | Mitsubishi Electric Corp | Projective television set |
Also Published As
Publication number | Publication date |
---|---|
JPS5851380B2 (en) | 1983-11-16 |
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