JPS62119075U - - Google Patents
Info
- Publication number
- JPS62119075U JPS62119075U JP614686U JP614686U JPS62119075U JP S62119075 U JPS62119075 U JP S62119075U JP 614686 U JP614686 U JP 614686U JP 614686 U JP614686 U JP 614686U JP S62119075 U JPS62119075 U JP S62119075U
- Authority
- JP
- Japan
- Prior art keywords
- clip
- luminance signal
- level
- circuit
- clamp
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Picture Signal Circuits (AREA)
- Television Signal Processing For Recording (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Description
第１図ないし第５図はこの考案の再生映像信号
処理装置の１実施例を示し、第１図はブロツク図
、第２図は第１図の一部の詳細な結線図、第３図
、第４図、第５図はそれぞれ動作説明用の波形図
、第６図は従来のビデオテープレコーダの輝度再
生回路部のブロツク図、第７図ａ，ｂは第６図の
動作説明用の波形図である。
８……結合用のコンデンサ、９……クランプ回
路、１１……クリツプ回路。
1 to 5 show one embodiment of the reproduced video signal processing device of this invention, in which FIG. 1 is a block diagram, FIG. 2 is a detailed wiring diagram of a part of FIG. 1, and FIG. 4 and 5 are waveform diagrams for explaining the operation, FIG. 6 is a block diagram of the brightness reproduction circuit of a conventional video tape recorder, and FIGS. 7a and 7 are waveform diagrams for explaining the operation of FIG. 6. It is a diagram. 8... Coupling capacitor, 9... Clamp circuit, 11... Clip circuit.
Claims (1)
を介して入力され、前記輝度信号のシンクチツプ
レベルをクランプ処理するクランプ回路と、前記
コンデンサの前段に設けられ、前記輝度信号を前
記シンクチツプレベル以下のクリツプレベルでク
リツプ処理するクリツプ回路とを備えるとともに
、該クリツプ回路に、前記輝度信号を直流検波す
る映像検波手段と、該検波手段の検波出力により
前記輝度信号の振幅に反比例して前記クリツプレ
ベルを可変設定するクリツプレベル設定手段とを
設けた再生映像信号処理装置。 The luminance signal of the reproduced video signal is input through a coupling capacitor, and a clamp circuit is provided for clamping the sync chip level of the luminance signal, and a clamp circuit is provided in front of the capacitor to clamp the luminance signal to a level below the sync chip level. A clip circuit that performs clip processing at a clip level is provided, and the clip circuit includes video detection means for direct current detection of the luminance signal, and a detection output of the detection means that determines the clip level in inverse proportion to the amplitude of the luminance signal. A reproduced video signal processing device comprising a clip level setting means for variable setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP614686U JPS62119075U (en) | 1986-01-20 | 1986-01-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP614686U JPS62119075U (en) | 1986-01-20 | 1986-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62119075U true JPS62119075U (en) | 1987-07-28 |
Family
ID=30788387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP614686U Pending JPS62119075U (en) | 1986-01-20 | 1986-01-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62119075U (en) |
-
1986
- 1986-01-20 JP JP614686U patent/JPS62119075U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS62119075U (en) | ||
| JPS6333256U (en) | ||
| JPS6135486U (en) | Color television camera control device | |
| JPS60192512U (en) | power amplifier | |
| JPS60186765U (en) | Video sync signal expander | |
| JPS5920780U (en) | color television receiver | |
| JPS63117183U (en) | ||
| JPS60112155U (en) | Automatic brightness adjustment circuit | |
| JPS6043078U (en) | Muting operation display device | |
| JPS58178777U (en) | Highlight color erasing circuit in single-tube color camera | |
| JPS6173200U (en) | ||
| JPS643374U (en) | ||
| JPS60186775U (en) | Video signal amplification circuit | |
| JPS5871269U (en) | automotive gain control circuit | |
| JPS6016339U (en) | Video tape recorder operating procedure display device | |
| JPS619967U (en) | 4-channel stereo audio system for television systems capable of receiving stereo audio broadcasts | |
| JPS6093106U (en) | Automatic mode switching circuit | |
| JPS6129566U (en) | Synchronous separation circuit | |
| JPS5984974U (en) | video tape recorder | |
| JPS58147330U (en) | Tuner device | |
| JPS58169782U (en) | Automatic video control circuit for color television receivers | |
| JPS59169164U (en) | TV camera sensitivity control device | |
| JPS643375U (en) | ||
| JPS59134968U (en) | clamp circuit | |
| JPS60109060U (en) | multi-channel oscilloscope |