JPH045772U - - Google Patents

Info

Publication number
JPH045772U
JPH045772U JP4692490U JP4692490U JPH045772U JP H045772 U JPH045772 U JP H045772U JP 4692490 U JP4692490 U JP 4692490U JP 4692490 U JP4692490 U JP 4692490U JP H045772 U JPH045772 U JP H045772U
Authority
JP
Japan
Prior art keywords
contour
amplitude
control means
contour signal
mixer
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
Application number
JP4692490U
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP4692490U priority Critical patent/JPH045772U/ja
Publication of JPH045772U publication Critical patent/JPH045772U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Picture Signal Circuits (AREA)

Description

【図面の簡単な説明】
第1図は本考案を用いた輪郭補償回路の全体構
成を示すブロツク図、第2図は本考案の振幅圧縮
、制限回路の一実施例を示す回路図である。 DL−1A,DL−1B,DL−2,DL−3
A,DL−3B……遅延回路、A1,A5,A6
……増幅器、A2,A3……差動増幅器、5……
小振幅除去回路、7……圧縮制限回路。

Claims (1)

  1. 【実用新案登録請求の範囲】 1 入力された映像信号から輪郭信号を発生する
    輪郭信号発生器と、該輪郭信号発生器からの輪郭
    信号出力と前記映像信号とを混合する混合器から
    なる輪郭補償回路において、前記輪郭信号発生器
    と前記混合器との間に、発生した輪郭信号が所定
    のレベルを超えた場合に該輪郭信号の振幅を制御
    する手段を設けたことを特徴とする輪郭補償回路
    。 2 前記輪郭信号発生器と前記混合器の間に設け
    た振幅制御手段を、振幅圧縮手段とした請求項第
    1項記載の輪郭補償回路。 3 前記振幅制御手段を振幅制御手段あるいは振
    幅圧縮制御手段とした請求項第1項記載の輪郭補
    償回路。
JP4692490U 1990-05-07 1990-05-07 Pending JPH045772U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4692490U JPH045772U (ja) 1990-05-07 1990-05-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4692490U JPH045772U (ja) 1990-05-07 1990-05-07

Publications (1)

Publication Number Publication Date
JPH045772U true JPH045772U (ja) 1992-01-20

Family

ID=31562415

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4692490U Pending JPH045772U (ja) 1990-05-07 1990-05-07

Country Status (1)

Country Link
JP (1) JPH045772U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02123885U (ja) * 1989-03-24 1990-10-11

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5131120A (ja) * 1974-09-10 1976-03-17 Japan Broadcasting Corp
JPS63260276A (ja) * 1987-04-16 1988-10-27 Victor Co Of Japan Ltd 画質改善装置
JPS63311875A (ja) * 1987-06-13 1988-12-20 Sony Corp 輪郭補償回路

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5131120A (ja) * 1974-09-10 1976-03-17 Japan Broadcasting Corp
JPS63260276A (ja) * 1987-04-16 1988-10-27 Victor Co Of Japan Ltd 画質改善装置
JPS63311875A (ja) * 1987-06-13 1988-12-20 Sony Corp 輪郭補償回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02123885U (ja) * 1989-03-24 1990-10-11

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