JPH03125563U - - Google Patents
Info
- Publication number
- JPH03125563U JPH03125563U JP3459090U JP3459090U JPH03125563U JP H03125563 U JPH03125563 U JP H03125563U JP 3459090 U JP3459090 U JP 3459090U JP 3459090 U JP3459090 U JP 3459090U JP H03125563 U JPH03125563 U JP H03125563U
- Authority
- JP
- Japan
- Prior art keywords
- video signal
- detection means
- input video
- pedestal level
- sync chip
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Picture Signal Circuits (AREA)
Description
第１図はこの考案の１つの実施例に係るクラン
プ回路の回路図、第２図は第１図の変形例を示す
回路図、第３図は従来のクランプ回路を示す回路
図である。
主な符号の説明、１０……検出手段、２０，２
０Ａ……減算手段。
FIG. 1 is a circuit diagram of a clamp circuit according to one embodiment of this invention, FIG. 2 is a circuit diagram showing a modification of FIG. 1, and FIG. 3 is a circuit diagram showing a conventional clamp circuit. Explanation of main symbols, 10...detection means, 20, 2
0A...Subtraction means.
Claims (1)
レベルを検出する検出手段と、 入力映像信号から検出手段で検出されたシンク
チツプまたはペデスタルレベルを減算する減算手
段と、 を備えたことを特徴とするクランプ回路。[Claims for Utility Model Registration] The invention is characterized by comprising: detection means for detecting the sync chip or pedestal level of an input video signal; and subtraction means for subtracting the sync chip or pedestal level detected by the detection means from the input video signal. Clamp circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3459090U JPH03125563U (en) | 1990-03-31 | 1990-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3459090U JPH03125563U (en) | 1990-03-31 | 1990-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03125563U true JPH03125563U (en) | 1991-12-18 |
Family
ID=31539198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3459090U Pending JPH03125563U (en) | 1990-03-31 | 1990-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03125563U (en) |
-
1990
- 1990-03-31 JP JP3459090U patent/JPH03125563U/ja active Pending