JPS5255321A - Tv receiver - Google Patents
Tv receiverInfo
- Publication number
- JPS5255321A JPS5255321A JP50130443A JP13044375A JPS5255321A JP S5255321 A JPS5255321 A JP S5255321A JP 50130443 A JP50130443 A JP 50130443A JP 13044375 A JP13044375 A JP 13044375A JP S5255321 A JPS5255321 A JP S5255321A
- Authority
- JP
- Japan
- Prior art keywords
- receiver
- black level
- control circuit
- clamp control
- reproduction performance
- 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
- Picture Signal Circuits (AREA)
- Details Of Television Scanning (AREA)
Abstract
PURPOSE:To obtain a TV receiver which can improve gradation reproduction performance near black level through black level correction against APL variation by installing pedestal clamp control circuit 10.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50130443A JPS5255321A (en) | 1975-10-31 | 1975-10-31 | Tv receiver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50130443A JPS5255321A (en) | 1975-10-31 | 1975-10-31 | Tv receiver |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5255321A true JPS5255321A (en) | 1977-05-06 |
Family
ID=15034355
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50130443A Pending JPS5255321A (en) | 1975-10-31 | 1975-10-31 | Tv receiver |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5255321A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4415929A (en) * | 1980-10-15 | 1983-11-15 | Alps Electric Co., Ltd. | Video clamp circuit |
US5339114A (en) * | 1992-07-29 | 1994-08-16 | Thomson Consumer Electronics, Inc. | Television receiver with luminance signal clamped offset and re-clamped prior to contrast control for preventing black level changes with contrast control changes when displaying luminance signals having elevated black level |
US5453798A (en) * | 1993-02-05 | 1995-09-26 | Thomson Consumer Electronics, Inc. | Black compensation circuit for a video display system |
-
1975
- 1975-10-31 JP JP50130443A patent/JPS5255321A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4415929A (en) * | 1980-10-15 | 1983-11-15 | Alps Electric Co., Ltd. | Video clamp circuit |
US5339114A (en) * | 1992-07-29 | 1994-08-16 | Thomson Consumer Electronics, Inc. | Television receiver with luminance signal clamped offset and re-clamped prior to contrast control for preventing black level changes with contrast control changes when displaying luminance signals having elevated black level |
US5453798A (en) * | 1993-02-05 | 1995-09-26 | Thomson Consumer Electronics, Inc. | Black compensation circuit for a video display system |
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