JPH042175U - - Google Patents

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Publication number
JPH042175U
JPH042175U JP4253990U JP4253990U JPH042175U JP H042175 U JPH042175 U JP H042175U JP 4253990 U JP4253990 U JP 4253990U JP 4253990 U JP4253990 U JP 4253990U JP H042175 U JPH042175 U JP H042175U
Authority
JP
Japan
Prior art keywords
pixel
signal
pixel address
output
generating
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.)
Granted
Application number
JP4253990U
Other languages
Japanese (ja)
Other versions
JP2516311Y2 (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 JP1990042539U priority Critical patent/JP2516311Y2/en
Publication of JPH042175U publication Critical patent/JPH042175U/ja
Application granted granted Critical
Publication of JP2516311Y2 publication Critical patent/JP2516311Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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  • Processing Or Creating Images (AREA)
  • Studio Circuits (AREA)
  • Processing Of Color Television Signals (AREA)

Description

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

第１図は本考案に係る画像信号発生装置の一実
施例のブロツク図である。 １……ランダム数発生手段、２……画素アドレ
ス比較手段、３……ラインバツフア手段、４……
フレームバツフア手段、５……アドレス加算数設
定手段、６……フレームバツフア制御手段、７…
…輝度補正信号発生手段、８……輝度信号レベル
選択手段。 FIG. 1 is a block diagram of an embodiment of an image signal generating device according to the present invention. 1...Random number generation means, 2...Pixel address comparison means, 3...Line buffer means, 4...
Frame buffer means, 5...Address addition number setting means, 6...Frame buffer control means, 7...
...Brightness correction signal generation means, 8...Brightness signal level selection means.

Claims (1)

【実用新案登録請求の範囲】 画素クロツク信号に同期して画面の水平画素数
範囲のランダム数を発生するランダム数発生手段
と、 画素アドレス信号のうち水平位置を示す部分と
前記ランダム数発生手段出力のランダム数を比較
し一致を検出する画素アドレス比較手段と、 前記画素アドレス比較手段出力の１ライン分を
一時記憶するラインバツフア手段と、 所定の画素分だけシフトするとともに、前記ラ
インバツフア手段出力を順次入力し、画素アドレ
ス信号により１フレーム毎に順次読み出されるフ
レームバツフア手段と、 前記フレームバツフア手段から読み出された画
素が前記画素アドレス比較手段で一致を検出され
たものであるときは、当該部分の画素を予め選択
設定された信号レベルに補正する輝度補正信号を
発生する輝度信号補正信号発生手段とを備えたこ
とを特徴とする画像信号発生装置。[Claims for Utility Model Registration] Random number generation means for generating random numbers in the horizontal pixel number range of a screen in synchronization with a pixel clock signal; a portion of the pixel address signal indicating the horizontal position and the output of the random number generation means; pixel address comparing means for comparing random numbers of and detecting a match; line buffering means for temporarily storing one line of the output of the pixel address comparing means; and shifting by a predetermined pixel and sequentially inputting the output of the line buffering means. and a frame buffer means which is sequentially read out frame by frame in accordance with a pixel address signal, and when a pixel read out from the frame buffer means is detected to be a match by the pixel address comparison means, the part concerned 1. An image signal generation device comprising: a luminance signal correction signal generating means for generating a luminance correction signal for correcting the pixels of 1 to a predetermined signal level.
JP1990042539U 1990-04-23 1990-04-23 Image signal generator Expired - Lifetime JP2516311Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990042539U JP2516311Y2 (en) 1990-04-23 1990-04-23 Image signal generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990042539U JP2516311Y2 (en) 1990-04-23 1990-04-23 Image signal generator

Publications (2)

Publication Number Publication Date
JPH042175U true JPH042175U (en) 1992-01-09
JP2516311Y2 JP2516311Y2 (en) 1996-11-06

Family

ID=31554172

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990042539U Expired - Lifetime JP2516311Y2 (en) 1990-04-23 1990-04-23 Image signal generator

Country Status (1)

Country Link
JP (1) JP2516311Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5472857U (en) * 1977-11-01 1979-05-24

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5472857U (en) * 1977-11-01 1979-05-24

Also Published As

Publication number Publication date
JP2516311Y2 (en) 1996-11-06

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