JPS5253695A - Brightness modulation signal generating device for liquid crystal disp lay apparatus - Google Patents
Brightness modulation signal generating device for liquid crystal disp lay apparatusInfo
- Publication number
- JPS5253695A JPS5253695A JP12964975A JP12964975A JPS5253695A JP S5253695 A JPS5253695 A JP S5253695A JP 12964975 A JP12964975 A JP 12964975A JP 12964975 A JP12964975 A JP 12964975A JP S5253695 A JPS5253695 A JP S5253695A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- generating device
- signal generating
- modulation signal
- brightness modulation
- 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
Abstract
PURPOSE: The ratios of brightness levels are arbitrarily determined and the employment of LSI is facilitated in the case of performing gradation display by accomplishing gradation control through modulation of pulse width by using a liquid crystal matrix panel.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12964975A JPS5253695A (en) | 1975-10-28 | 1975-10-28 | Brightness modulation signal generating device for liquid crystal disp lay apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12964975A JPS5253695A (en) | 1975-10-28 | 1975-10-28 | Brightness modulation signal generating device for liquid crystal disp lay apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5253695A true JPS5253695A (en) | 1977-04-30 |
Family
ID=15014726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12964975A Pending JPS5253695A (en) | 1975-10-28 | 1975-10-28 | Brightness modulation signal generating device for liquid crystal disp lay apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5253695A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6334593A (en) * | 1986-07-30 | 1988-02-15 | ホシデン株式会社 | Multi-contrast display |
-
1975
- 1975-10-28 JP JP12964975A patent/JPS5253695A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6334593A (en) * | 1986-07-30 | 1988-02-15 | ホシデン株式会社 | Multi-contrast display |
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