JPS59161550U - Tangential servo device in information reading device - Google Patents

Tangential servo device in information reading device

Info

Publication number
JPS59161550U
JPS59161550U JP5601183U JP5601183U JPS59161550U JP S59161550 U JPS59161550 U JP S59161550U JP 5601183 U JP5601183 U JP 5601183U JP 5601183 U JP5601183 U JP 5601183U JP S59161550 U JPS59161550 U JP S59161550U
Authority
JP
Japan
Prior art keywords
information reading
tangential servo
tangential
loop
reading device
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
JP5601183U
Other languages
Japanese (ja)
Other versions
JPH0132212Y2 (en
Inventor
勝山　仁志
Original Assignee
パイオニア株式会社
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 パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP5601183U priority Critical patent/JPS59161550U/en
Publication of JPS59161550U publication Critical patent/JPS59161550U/en
Application granted granted Critical
Publication of JPH0132212Y2 publication Critical patent/JPH0132212Y2/ja
Granted legal-status Critical Current

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  • Optical Recording Or Reproduction (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 the drawing]

第１図は、従来の情報読取装置におけるタンゼンシャル
サーボ装置を示すブロック図、第２図及び第３図は、第
１図の装置の動作を示す波形図、第４図は、本考案の一
実施例を示すブロック図、第５図は、第４図の装置の動
作を示す波形図である。 主要部分の符号の説明、１・・・位相比較器、２・・・
ループスイッチ、３・・・タンゼンシャルミラー、４・
・・コイル、５・・・スピンドルサーボロック検出器、
６・・・指令発生回路。FIG. 1 is a block diagram showing a tangential servo device in a conventional information reading device, FIGS. 2 and 3 are waveform diagrams showing the operation of the device in FIG. 1, and FIG. FIG. 5, a block diagram showing one embodiment, is a waveform diagram showing the operation of the device shown in FIG. 4. Explanation of symbols of main parts, 1... Phase comparator, 2...
Loop switch, 3...Tangential mirror, 4.
... Coil, 5... Spindle servo lock detector,
6...Command generation circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 記録トラックの接線方向にピックアップを偏倚手段によ
り偏倚せしめて再生信号の時間軸補正をなすタンゼンシ
ャルサーボ装置であって、時間軸エラー信号が所定レベ
ルになった時にループ閉成指令信号を発生する指令発生
手段と、前記ループ閉成指令信号に応じてタンゼンシャ
ルサーボループを閉成するループ閉成手段とを含むこと
を特徴とする情報読取装置におけるタンゼンシャルサー
ボ装置。A tangential servo device that corrects the time axis of a reproduced signal by biasing the pickup in the tangential direction of the recording track using a biasing means, and generates a loop closing command signal when the time axis error signal reaches a predetermined level. A tangential servo device for an information reading device, comprising a command generating means and a loop closing means for closing a tangential servo loop in response to the loop closing command signal.
JP5601183U 1983-04-14 1983-04-14 Tangential servo device in information reading device Granted JPS59161550U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5601183U JPS59161550U (en) 1983-04-14 1983-04-14 Tangential servo device in information reading device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5601183U JPS59161550U (en) 1983-04-14 1983-04-14 Tangential servo device in information reading device

Publications (2)

Publication Number Publication Date
JPS59161550U true JPS59161550U (en) 1984-10-29
JPH0132212Y2 JPH0132212Y2 (en) 1989-10-03

Family

ID=30186337

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5601183U Granted JPS59161550U (en) 1983-04-14 1983-04-14 Tangential servo device in information reading device

Country Status (1)

Country Link
JP (1) JPS59161550U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5890879A (en) * 1981-11-24 1983-05-30 Matsushita Electric Ind Co Ltd Time axis compensating device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5890879A (en) * 1981-11-24 1983-05-30 Matsushita Electric Ind Co Ltd Time axis compensating device

Also Published As

Publication number Publication date
JPH0132212Y2 (en) 1989-10-03

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