JPS58131424U - Frame period detection device - Google Patents

Frame period detection device

Info

Publication number
JPS58131424U
JPS58131424U JP2940482U JP2940482U JPS58131424U JP S58131424 U JPS58131424 U JP S58131424U JP 2940482 U JP2940482 U JP 2940482U JP 2940482 U JP2940482 U JP 2940482U JP S58131424 U JPS58131424 U JP S58131424U
Authority
JP
Japan
Prior art keywords
circuit
sawtooth wave
frame period
detection device
period detection
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
JP2940482U
Other languages
Japanese (ja)
Other versions
JPH0416284Y2 (en
Inventor
武井　利行
Original Assignee
オンキヨー株式会社
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 オンキヨー株式会社 filed Critical オンキヨー株式会社
Priority to JP2940482U priority Critical patent/JPS58131424U/en
Publication of JPS58131424U publication Critical patent/JPS58131424U/en
Application granted granted Critical
Publication of JPH0416284Y2 publication Critical patent/JPH0416284Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Rotational Drive Of Disk (AREA)
  • Manipulation Of Pulses (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (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) [Summary] 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図は本考案のＰＣＭ信号のフレーム周期検出装置の
構成を示すブロック図、第２図は同、波形説明図である
。 １は微分回路、３はノコギリ波発生回路、４は平滑回路
、５は電圧比較回路である。FIG. 1 is a block diagram showing the configuration of a PCM signal frame period detection device according to the present invention, and FIG. 2 is a waveform explanatory diagram of the same. 1 is a differentiation circuit, 3 is a sawtooth wave generation circuit, 4 is a smoothing circuit, and 5 is a voltage comparison circuit.

Claims (1)

【実用新案登録請求の範囲】 下記の（イ）〜に）の構成要件からなるフレーム周期検
出装置。 （４）　　ＰＣＭ信号を微分する微分回路１゜（ロ）当
該微分回路１から出力される微分信号をトリガ信号とし
て一定の傾きで立ち上がるノコギリ波を発生するノコギ
リ波発生回路３゜（ハ）当該ノコギリ波発生回路３から
出力されるノコギリ波を平滑する平滑回路４゜ に）当該平滑回路４の出力電圧と基準電圧とを比較して
フレーム周期に対応した比較出力を出力する電圧比較回
路５゜[Scope of Claim for Utility Model Registration] A frame period detection device comprising the following constituent elements (a) to (a) to (b) below. (4) Differentiating circuit 1゜(b) for differentiating the PCM signal (b) sawtooth wave generating circuit 3゜ for generating a sawtooth wave that rises at a constant slope using the differential signal output from the differentiating circuit 1 as a trigger signal (c) the sawtooth wave generating circuit 3゜(c) for generating a sawtooth wave that rises at a constant slope A smoothing circuit 4° that smooths the sawtooth wave output from the wave generating circuit 3) and a voltage comparator circuit 5° that compares the output voltage of the smoothing circuit 4 with a reference voltage and outputs a comparison output corresponding to the frame period.
JP2940482U 1982-03-01 1982-03-01 Frame period detection device Granted JPS58131424U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2940482U JPS58131424U (en) 1982-03-01 1982-03-01 Frame period detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2940482U JPS58131424U (en) 1982-03-01 1982-03-01 Frame period detection device

Publications (2)

Publication Number Publication Date
JPS58131424U true JPS58131424U (en) 1983-09-05
JPH0416284Y2 JPH0416284Y2 (en) 1992-04-13

Family

ID=30041194

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2940482U Granted JPS58131424U (en) 1982-03-01 1982-03-01 Frame period detection device

Country Status (1)

Country Link
JP (1) JPS58131424U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57198579A (en) * 1981-05-29 1982-12-06 Sony Corp Disc reproducing device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57198579A (en) * 1981-05-29 1982-12-06 Sony Corp Disc reproducing device

Also Published As

Publication number Publication date
JPH0416284Y2 (en) 1992-04-13

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