JPS6098154U - PCM processor - Google Patents

PCM processor

Info

Publication number
JPS6098154U
JPS6098154U JP18751983U JP18751983U JPS6098154U JP S6098154 U JPS6098154 U JP S6098154U JP 18751983 U JP18751983 U JP 18751983U JP 18751983 U JP18751983 U JP 18751983U JP S6098154 U JPS6098154 U JP S6098154U
Authority
JP
Japan
Prior art keywords
synchronization signal
pcm
signal
pcm processor
horizontal synchronization
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
JP18751983U
Other languages
Japanese (ja)
Other versions
JPH0356916Y2 (en
Inventor
直史 安達
Original Assignee
アイワ株式会社
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 アイワ株式会社 filed Critical アイワ株式会社
Priority to JP18751983U priority Critical patent/JPS6098154U/en
Publication of JPS6098154U publication Critical patent/JPS6098154U/en
Application granted granted Critical
Publication of JPH0356916Y2 publication Critical patent/JPH0356916Y2/ja
Granted legal-status Critical Current

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  • Signal Processing For Digital Recording And Reproducing (AREA)

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図はビデオ信号中の垂直同期信号及びその微分波形
を表わす波形図、第２図は本考案のミューディング制御
回路の一実施例を示すブロック図、第３図は本考案の実
施例の説明に供する波形図、第４図は本考案の他の実施
例を示すブロック図、第５図は第４図に示す実施例の説
明に供する波形図である。 符号の説明、１・・・同期分離回路、２・・・識別回路
、３・・・積分回路、４・・・微分回路、５・・・垂直
同期　゛信号検出器、６・・・水平同期信号検出器、７
・・・アンド回路、８・・・平滑回路、９・・・比較器
。Fig. 1 is a waveform diagram showing a vertical synchronization signal in a video signal and its differential waveform, Fig. 2 is a block diagram showing an embodiment of the muting control circuit of the present invention, and Fig. 3 is a waveform diagram showing an embodiment of the muting control circuit of the present invention. FIG. 4 is a block diagram showing another embodiment of the present invention, and FIG. 5 is a waveform diagram for explaining the embodiment shown in FIG. 4. Explanation of symbols, 1...Synchronization separation circuit, 2...Identification circuit, 3...Integrator circuit, 4...Differentiating circuit, 5...Vertical synchronization ゛Signal detector, 6...Horizontal synchronization signal detector, 7
...AND circuit, 8...Smoothing circuit, 9...Comparator.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ゛　ｖＴＲを記録再生手段として用いるＰＣＭプロセッ
サにおいて、ＰＣＭ信号中の水平同期信号と垂直同期信
号とを各々識別分離する識別装置と、該識別装置より出
力される各同期信号を入力して垂直同期信号の存在する
期間での水平同期信号の有、無を検出する検出装置と、
該検出装置からの検出信号によってＰＣＭプロセッサの
再生信号伝送系を遮断するミューティング装置とを具備
するＰＣＭプロセッサ。゛ In a PCM processor that uses vTR as a recording/reproducing means, there is an identification device that identifies and separates a horizontal synchronization signal and a vertical synchronization signal in a PCM signal, and a vertical synchronization signal by inputting each synchronization signal output from the identification device. a detection device that detects the presence or absence of a horizontal synchronization signal during the period in which the horizontal synchronization signal exists;
A PCM processor comprising: a muting device that shuts off a reproduction signal transmission system of the PCM processor in response to a detection signal from the detection device.
JP18751983U 1983-12-06 1983-12-06 PCM processor Granted JPS6098154U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18751983U JPS6098154U (en) 1983-12-06 1983-12-06 PCM processor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18751983U JPS6098154U (en) 1983-12-06 1983-12-06 PCM processor

Publications (2)

Publication Number Publication Date
JPS6098154U true JPS6098154U (en) 1985-07-04
JPH0356916Y2 JPH0356916Y2 (en) 1991-12-24

Family

ID=30404758

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18751983U Granted JPS6098154U (en) 1983-12-06 1983-12-06 PCM processor

Country Status (1)

Country Link
JP (1) JPS6098154U (en)

Also Published As

Publication number Publication date
JPH0356916Y2 (en) 1991-12-24

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