JPH0384681U - - Google Patents

Info

Publication number
JPH0384681U
JPH0384681U JP14593289U JP14593289U JPH0384681U JP H0384681 U JPH0384681 U JP H0384681U JP 14593289 U JP14593289 U JP 14593289U JP 14593289 U JP14593289 U JP 14593289U JP H0384681 U JPH0384681 U JP H0384681U
Authority
JP
Japan
Prior art keywords
circuit
video signal
signal processing
gamma correction
white
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
JP14593289U
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 JP14593289U priority Critical patent/JPH0384681U/ja
Publication of JPH0384681U publication Critical patent/JPH0384681U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Picture Signal Circuits (AREA)

Description

【図面の簡単な説明】
第1図は本考案を示すブロツク図、第2図は従
来の技術を示すブロツク図、第3図は本考案の一
実施例の回路図である。 1……ガンマ整形回路、2……ガンマ圧縮回路
、3……減衰回路、4……白圧縮回路、5……検
波回路、6……混合回路、7……白圧縮を含む白
制限回路、A1,A2……反転増幅器。

Claims (1)

  1. 【実用新案登録請求の範囲】 1 映像信号のガンマ補正と白圧縮を行う、映像
    信号処理回路において、映像信号をガンマ圧縮す
    る回路と映像信号を線形に減衰する減衰回路の各
    々の出力を所定の割合で混合する構成のガンマ補
    正回路の該減衰回路側に白圧縮回路を設けたこと
    を特徴とする映像信号処理回路。 2 請求項1記載の映像信号処理回路において、
    上記ガンマ補正回路の減衰回路側に設けた白圧縮
    回路を、映像信号レベルに応じて、その白圧縮比
    が制御される構成としたことを特徴とする映像信
    号処理回路。 3 請求項1または2記載の映像信号処理回路に
    おいて、上記ガンマ補正回路の後段に、固定比率
    の白圧縮および白制限を行なう回路を設けたこと
    を特徴とする映像信号処理回路。
JP14593289U 1989-12-20 1989-12-20 Pending JPH0384681U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14593289U JPH0384681U (ja) 1989-12-20 1989-12-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14593289U JPH0384681U (ja) 1989-12-20 1989-12-20

Publications (1)

Publication Number Publication Date
JPH0384681U true JPH0384681U (ja) 1991-08-28

Family

ID=31692549

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14593289U Pending JPH0384681U (ja) 1989-12-20 1989-12-20

Country Status (1)

Country Link
JP (1) JPH0384681U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7782883B2 (en) 2000-04-06 2010-08-24 The Distribution Systems Research Institute Terminal-to-terminal communication connection control method using IP transfer network

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7782883B2 (en) 2000-04-06 2010-08-24 The Distribution Systems Research Institute Terminal-to-terminal communication connection control method using IP transfer network

Similar Documents

Publication Publication Date Title
JPS61166696U (ja)
JPH0286217U (ja)
JPS6341979U (ja)
JPS63139629U (ja)
JPS63131292U (ja)
JPH0316753U (ja)
JPH0221585U (ja)
JPS6440999U (ja)
JPS637860U (ja)
JPS6257532U (ja)
JPH0277925U (ja)
JPH02118372U (ja)
JPS62135496U (ja)
JPS63196123U (ja)
JPS63131458U (ja)
JPS61189667U (ja)
JPH0332892U (ja)
JPS6429972U (ja)
JPS6364165U (ja)
JPH01153785U (ja)
JPS6447168U (ja)
JPH0415328U (ja)
JPS63196171U (ja)
JPS6164726U (ja)
JPS6415179U (ja)