JPS55159686A - Removing method for red color residual image phenomenon for braun tube or the like - Google Patents
Removing method for red color residual image phenomenon for braun tube or the likeInfo
- Publication number
- JPS55159686A JPS55159686A JP6727979A JP6727979A JPS55159686A JP S55159686 A JPS55159686 A JP S55159686A JP 6727979 A JP6727979 A JP 6727979A JP 6727979 A JP6727979 A JP 6727979A JP S55159686 A JPS55159686 A JP S55159686A
- Authority
- JP
- Japan
- Prior art keywords
- residual image
- red color
- braun tube
- removing method
- color residual
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/16—Picture reproducers using cathode ray tubes
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Abstract
PURPOSE:To make sharp the screen, by inverting the red color residual image in rejecting the red color residual image for Braun tube or the like, picturing out the color corresponding to this part, and obtaining white color with the principle of three colors. CONSTITUTION:When electrons are emitted on red color particles of Braun tubes or the like to produce illumination, the residual image may cause tailing phenomenon for unsightly screen. Thus, if the red color residual image is taken place, the red color light is inverted and the residual image part only is compared and picked up. This is pictured after adding equal amount of green, blue and purple colors, this operation is repeated to give the feeling of sight to eyes as if the residual image were disappeared.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6727979A JPS55159686A (en) | 1979-05-30 | 1979-05-30 | Removing method for red color residual image phenomenon for braun tube or the like |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6727979A JPS55159686A (en) | 1979-05-30 | 1979-05-30 | Removing method for red color residual image phenomenon for braun tube or the like |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55159686A true JPS55159686A (en) | 1980-12-11 |
Family
ID=13340363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6727979A Pending JPS55159686A (en) | 1979-05-30 | 1979-05-30 | Removing method for red color residual image phenomenon for braun tube or the like |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55159686A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5089896A (en) * | 1988-10-31 | 1992-02-18 | Hitachi, Ltd. | Color deviation prevention device in projection display with minimized white chromaticity deviation |
-
1979
- 1979-05-30 JP JP6727979A patent/JPS55159686A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5089896A (en) * | 1988-10-31 | 1992-02-18 | Hitachi, Ltd. | Color deviation prevention device in projection display with minimized white chromaticity deviation |
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