JPS58144959U - Shading correction circuit - Google Patents

Shading correction circuit

Info

Publication number
JPS58144959U
JPS58144959U JP4166282U JP4166282U JPS58144959U JP S58144959 U JPS58144959 U JP S58144959U JP 4166282 U JP4166282 U JP 4166282U JP 4166282 U JP4166282 U JP 4166282U JP S58144959 U JPS58144959 U JP S58144959U
Authority
JP
Japan
Prior art keywords
correction circuit
shading
shading correction
correction signals
circuit
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
JP4166282U
Other languages
Japanese (ja)
Inventor
井川　昭雄
Original Assignee
日立電子株式会社
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 by 日立電子株式会社 filed Critical 日立電子株式会社
Priority to JP4166282U priority Critical patent/JPS58144959U/en
Publication of JPS58144959U publication Critical patent/JPS58144959U/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はコーナーフレームのシェーディングを持つ映像
信号波形図、第２図は本考案によるシェーディング補正
後の映像信号波形図、第３図は本考案の系統図である。 １：信号入力端子、２：鋸歯状波発生回路、３：パラボ
ラ信号発生回路、４ニスライス回路、５：インバータ、
６：混合回路、７：垂直シェーディング補正信号発生回
路、８：混合回路、９：変調器。FIG. 1 is a video signal waveform diagram with corner frame shading, FIG. 2 is a video signal waveform diagram after shading correction according to the present invention, and FIG. 3 is a system diagram of the present invention. 1: Signal input terminal, 2: Sawtooth wave generation circuit, 3: Parabolic signal generation circuit, 4 slice circuit, 5: Inverter,
6: Mixing circuit, 7: Vertical shading correction signal generation circuit, 8: Mixing circuit, 9: Modulator.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] テレビジョンカメラにおけるシェーディング補正回路で
あって、水平および垂直の鋸歯状波補正信号、パラボラ
状補正信号並びにコーナーフレーム補正信号を、重畳シ
ェーディングのみならず変調シェーディングにも加える
シェーディング補正回路。A shading correction circuit for a television camera, which adds horizontal and vertical sawtooth wave correction signals, parabolic correction signals, and corner frame correction signals to not only superimposed shading but also modulated shading.
JP4166282U 1982-03-26 1982-03-26 Shading correction circuit Pending JPS58144959U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4166282U JPS58144959U (en) 1982-03-26 1982-03-26 Shading correction circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4166282U JPS58144959U (en) 1982-03-26 1982-03-26 Shading correction circuit

Publications (1)

Publication Number Publication Date
JPS58144959U true JPS58144959U (en) 1983-09-29

Family

ID=30052836

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4166282U Pending JPS58144959U (en) 1982-03-26 1982-03-26 Shading correction circuit

Country Status (1)

Country Link
JP (1) JPS58144959U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0220106U (en) * 1988-07-25 1990-02-09

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5224028A (en) * 1975-07-11 1977-02-23 Hitachi Denshi Ltd Tv camera fading correction circuit
JPS5566178A (en) * 1978-11-13 1980-05-19 Toshiba Corp Shading correction circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5224028A (en) * 1975-07-11 1977-02-23 Hitachi Denshi Ltd Tv camera fading correction circuit
JPS5566178A (en) * 1978-11-13 1980-05-19 Toshiba Corp Shading correction circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0220106U (en) * 1988-07-25 1990-02-09

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