JPS6352833B2 - - Google Patents
Info
- Publication number
- JPS6352833B2 JPS6352833B2 JP10306181A JP10306181A JPS6352833B2 JP S6352833 B2 JPS6352833 B2 JP S6352833B2 JP 10306181 A JP10306181 A JP 10306181A JP 10306181 A JP10306181 A JP 10306181A JP S6352833 B2 JPS6352833 B2 JP S6352833B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- alt
- circuit
- peak value
- level
- 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
Links
- 238000001514 detection method Methods 0.000 description 7
- 238000009499 grossing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 239000000284 extract Substances 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
- H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
- H03G3/3015—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable using diodes or transistors
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Television Receiver Circuits (AREA)
- Control Of Amplification And Gain Control (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10306181A JPS585016A (ja) | 1981-07-01 | 1981-07-01 | 自動利得調整回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10306181A JPS585016A (ja) | 1981-07-01 | 1981-07-01 | 自動利得調整回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS585016A JPS585016A (ja) | 1983-01-12 |
| JPS6352833B2 true JPS6352833B2 (OSRAM) | 1988-10-20 |
Family
ID=14344153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10306181A Granted JPS585016A (ja) | 1981-07-01 | 1981-07-01 | 自動利得調整回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS585016A (OSRAM) |
-
1981
- 1981-07-01 JP JP10306181A patent/JPS585016A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS585016A (ja) | 1983-01-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5241386A (en) | Video signal gradation corrector providing smooth correction while avoiding oscillation of a corrected output luminance signal due to noise and achieving fast response to sudden video scene changes | |
| US4204229A (en) | Video contrast expanding arrangement | |
| JPS6056019B2 (ja) | ケ−ブル信号等化回路 | |
| EP0467223B1 (en) | Image signal average picture level detecting apparatus | |
| JPS6352833B2 (OSRAM) | ||
| US4336552A (en) | Vertical aperture correction circuit | |
| US5159275A (en) | Method and apparatus for detecting cable length | |
| US4237476A (en) | Automatic tilt control circuit for television receivers | |
| JPS61152166A (ja) | ビデオ信号の白圧縮回路 | |
| JPH0638508Y2 (ja) | 伝送ケ−ブルロス自動補償装置 | |
| JPH02222267A (ja) | 輪郭補正回路 | |
| JP2911902B2 (ja) | クランプ増幅回路 | |
| JPS6327167A (ja) | 輪郭補償回路 | |
| JPH0813135B2 (ja) | 信号レベル自動制御方法 | |
| SE438230B (sv) | Pal-identifieringskrets | |
| JPS60254894A (ja) | カラ−カメラ | |
| JPH0946552A (ja) | 映像信号クランプ方式 | |
| JPS54124629A (en) | Video signal processing circuit in image pickup unit using ccd image sensor | |
| JPS62219788A (ja) | 信号判別回路 | |
| JPH0458755B2 (OSRAM) | ||
| JPH0525428B2 (OSRAM) | ||
| JPH0119794B2 (OSRAM) | ||
| RU1829124C (ru) | Гамма-корректор телевизионного сигнала | |
| JPS57173259A (en) | Original reader | |
| JPS6187477A (ja) | 撮像装置 |