JPH0253991B2 - - Google Patents
Info
- Publication number
- JPH0253991B2 JPH0253991B2 JP56034420A JP3442081A JPH0253991B2 JP H0253991 B2 JPH0253991 B2 JP H0253991B2 JP 56034420 A JP56034420 A JP 56034420A JP 3442081 A JP3442081 A JP 3442081A JP H0253991 B2 JPH0253991 B2 JP H0253991B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- slice
- signal
- level
- video signal
- 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.)
- Expired - Lifetime
Links
- 210000003127 knee Anatomy 0.000 claims description 17
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000003384 imaging method Methods 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Landscapes
- Picture Signal Circuits (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3442081A JPS57148476A (en) | 1981-03-10 | 1981-03-10 | Picture signal processing circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3442081A JPS57148476A (en) | 1981-03-10 | 1981-03-10 | Picture signal processing circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57148476A JPS57148476A (en) | 1982-09-13 |
JPH0253991B2 true JPH0253991B2 (ko) | 1990-11-20 |
Family
ID=12413703
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3442081A Granted JPS57148476A (en) | 1981-03-10 | 1981-03-10 | Picture signal processing circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57148476A (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0630430B2 (ja) * | 1984-07-20 | 1994-04-20 | 株式会社日立製作所 | 信号処理回路 |
JPS61195670U (ko) * | 1985-05-29 | 1986-12-05 | ||
JPH07105902B2 (ja) * | 1985-12-28 | 1995-11-13 | 株式会社日立製作所 | 映像信号処理回路 |
JPS6324763A (ja) * | 1986-07-17 | 1988-02-02 | Matsushita Electric Ind Co Ltd | カラ−カメラにおける高輝度圧縮回路 |
US5299000A (en) * | 1992-06-17 | 1994-03-29 | Zenith Electronics Corp. | Video white signal compression and peaking |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5278309A (en) * | 1975-12-24 | 1977-07-01 | Sony Corp | Tv receiver |
JPS5542445B2 (ko) * | 1973-12-20 | 1980-10-30 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5542445U (ko) * | 1978-09-13 | 1980-03-19 |
-
1981
- 1981-03-10 JP JP3442081A patent/JPS57148476A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5542445B2 (ko) * | 1973-12-20 | 1980-10-30 | ||
JPS5278309A (en) * | 1975-12-24 | 1977-07-01 | Sony Corp | Tv receiver |
Also Published As
Publication number | Publication date |
---|---|
JPS57148476A (en) | 1982-09-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA1049648A (en) | Electronic signal mixer | |
EP0938188B1 (en) | Variable gain amplifier circuit | |
JPH07147523A (ja) | 可変利得増幅器 | |
JPH0253991B2 (ko) | ||
US4234804A (en) | Signal correction for electrical gain control systems | |
US3435359A (en) | Video signal level control circuit | |
GB2029666A (en) | Gamma correction in a television signal | |
US3281530A (en) | Circuit arrangement for adjusting the black level of a video signal | |
EP0074081B1 (en) | Signal processing unit | |
US3441863A (en) | Drift compensated direct coupled amplifier circuit having adjustable d.c. output voltage level | |
US3513404A (en) | Mode-switchable amplifier stabilized against drift | |
JPS6327463Y2 (ko) | ||
JPH0797831B2 (ja) | ビデオ信号の白圧縮回路 | |
US3657559A (en) | Frequency dependent zero phase shift | |
JP2973910B2 (ja) | 信号のコアリング閾値を調整する回路 | |
JPS62117404A (ja) | 可変利得増幅回路 | |
JPH0527282B2 (ko) | ||
US4318051A (en) | Symmetrically gain controlled differential amplifier | |
US5134482A (en) | Adjustable video sharpness circuit | |
JPS6342595Y2 (ko) | ||
JPH0522633A (ja) | 画質調整回路 | |
JPS5933977A (ja) | 映像混合増幅装置 | |
JPS63219290A (ja) | バ−スト波形整形回路 | |
JPS60254983A (ja) | 信号圧縮回路 | |
JPS6258188B2 (ko) |