JPS609021U - Optical disk player lens drive circuit - Google Patents

Optical disk player lens drive circuit

Info

Publication number
JPS609021U
JPS609021U JP9663283U JP9663283U JPS609021U JP S609021 U JPS609021 U JP S609021U JP 9663283 U JP9663283 U JP 9663283U JP 9663283 U JP9663283 U JP 9663283U JP S609021 U JPS609021 U JP S609021U
Authority
JP
Japan
Prior art keywords
lens drive
signal
pulse
drive circuit
optical disk
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
JP9663283U
Other languages
Japanese (ja)
Other versions
JPH0142818Y2 (en
Inventor
一俊 草野
Original Assignee
日本電気ホームエレクトロニクス株式会社
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 日本電気ホームエレクトロニクス株式会社 filed Critical 日本電気ホームエレクトロニクス株式会社
Priority to JP9663283U priority Critical patent/JPS609021U/en
Publication of JPS609021U publication Critical patent/JPS609021U/en
Application granted granted Critical
Publication of JPH0142818Y2 publication Critical patent/JPH0142818Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • 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 drawings]

第１図は従来の曲のサーチ、一時停止のためのレンズ駆
動回路を示すブロック図、第２図は本考案の一実施例の
ブロック図である。第３図は単安定マルチバイブレータ
の部分の詳細回路図である。 １・・・・・・ラジアルエラー検出回路、２・・・・・
・ループフィルタ、３・・・・・・レンズ駆動増幅器、
４・・・・・・ゼロクロス検出回路、５（１）、　　５
（２）・・・・・・単安定マルチバイブレータ、６・・
・・・・パルス検出回路、７・・・・・・スイッチ、８
，９・・・・・・加算回路、１０・・・・・・インバー
タ。FIG. 1 is a block diagram showing a conventional lens driving circuit for searching and pausing music, and FIG. 2 is a block diagram of an embodiment of the present invention. FIG. 3 is a detailed circuit diagram of the monostable multivibrator section. 1... Radial error detection circuit, 2...
・Loop filter, 3...lens drive amplifier,
4... Zero cross detection circuit, 5 (1), 5
(2) Monostable multivibrator, 6...
...Pulse detection circuit, 7...Switch, 8
, 9...addition circuit, 10...inverter.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 光デイスクプレーヤのトラッキングサーボループにおい
て、トラッキングエラー信号のゼロクロス検出回路と、
パルス発生回路と、サーボループを開成するスイッチと
、レンズ駆動増幅器とを備え、前記パルス発生回路は制
御装置からのレンズ移動信号が入力された状態で、前記
ゼロクロス検出回路の出力信号によりトリガされパルス
信号を出力し、このパルス信号が前記スイッチを制御し
、かつレンズ駆動増幅器を駆動することを特徴とする光
デイスクプレーヤのレンズ駆動回路。In the tracking servo loop of an optical disc player, a tracking error signal zero-cross detection circuit;
The pulse generating circuit is provided with a pulse generating circuit, a switch for opening a servo loop, and a lens driving amplifier, and the pulse generating circuit is triggered by the output signal of the zero cross detection circuit and generates a pulse while receiving a lens movement signal from a control device. 1. A lens drive circuit for an optical disc player, characterized in that the pulse signal outputs a signal, and the pulse signal controls the switch and drives a lens drive amplifier.
JP9663283U 1983-06-24 1983-06-24 Optical disk player lens drive circuit Granted JPS609021U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9663283U JPS609021U (en) 1983-06-24 1983-06-24 Optical disk player lens drive circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9663283U JPS609021U (en) 1983-06-24 1983-06-24 Optical disk player lens drive circuit

Publications (2)

Publication Number Publication Date
JPS609021U true JPS609021U (en) 1985-01-22
JPH0142818Y2 JPH0142818Y2 (en) 1989-12-13

Family

ID=30230211

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9663283U Granted JPS609021U (en) 1983-06-24 1983-06-24 Optical disk player lens drive circuit

Country Status (1)

Country Link
JP (1) JPS609021U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6455267A (en) * 1987-08-12 1989-03-02 Ibm Line printer
JP2013135595A (en) * 2011-12-27 2013-07-08 Fujitsu General Ltd Motor drive device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54128707A (en) * 1978-03-27 1979-10-05 Mca Disco Vision Focus servo device
JPS5733435U (en) * 1980-08-04 1982-02-22
JPS5761641U (en) * 1980-09-30 1982-04-12
JPS57129239U (en) * 1981-02-06 1982-08-12

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51107674A (en) * 1975-03-17 1976-09-24 Kubota Ltd Chojinpitsutonaino shukikeigenhoho
JPS54147638A (en) * 1978-05-12 1979-11-19 Miwa Lock Kogyo Kk Oil pressure cylinder device of door closer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54128707A (en) * 1978-03-27 1979-10-05 Mca Disco Vision Focus servo device
JPS5733435U (en) * 1980-08-04 1982-02-22
JPS5761641U (en) * 1980-09-30 1982-04-12
JPS57129239U (en) * 1981-02-06 1982-08-12

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6455267A (en) * 1987-08-12 1989-03-02 Ibm Line printer
JPH0569713B2 (en) * 1987-08-12 1993-10-01 Ibm
JP2013135595A (en) * 2011-12-27 2013-07-08 Fujitsu General Ltd Motor drive device

Also Published As

Publication number Publication date
JPH0142818Y2 (en) 1989-12-13

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