JPS63142014U - - Google Patents

Info

Publication number
JPS63142014U
JPS63142014U JP1987032896U JP3289687U JPS63142014U JP S63142014 U JPS63142014 U JP S63142014U JP 1987032896 U JP1987032896 U JP 1987032896U JP 3289687 U JP3289687 U JP 3289687U JP S63142014 U JPS63142014 U JP S63142014U
Authority
JP
Japan
Prior art keywords
optical
tilt servo
optical pickup
disc player
reproduction
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
JP1987032896U
Other languages
English (en)
Other versions
JPH0614256Y2 (ja
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 JP1987032896U priority Critical patent/JPH0614256Y2/ja
Priority to US07/165,055 priority patent/US4829508A/en
Publication of JPS63142014U publication Critical patent/JPS63142014U/ja
Application granted granted Critical
Publication of JPH0614256Y2 publication Critical patent/JPH0614256Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/0857—Arrangements for mechanically moving the whole head
    • G11B7/08582—Sled-type positioners
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/095—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0956—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)

Description

【図面の簡単な説明】
第１図は本考案の実施例としての光学式デイス
クプレーヤの要部の一部断面を含む側面図、第２
図ないし第５図はチルトサーボ手段を説明するた
めの図、第６図は該光学式デイスクプレーヤの制
御系を示すブロツク図、第７図は該デイスクプレ
ーヤの動作を説明するための図、第８図は従来の
光学式デイスクプレーヤを説明するための図であ
る。 主要部分の符号の説明、１…デイスク、３…タ
ーンテーブル、６…可動ベース、７…支持ピン、
９…キヤリツジ、２１…カム、２７…モータ、２
９…コイルスプリング、３２…オプテイカルセン
サ、３６…チルト機構、３７…チルト制御回路、
３８…光学式ピツクアツプ、３９…再生処理回路
、４１…制御回路。
補正 昭６３．６．６ 実用新案登録請求の範囲を次のように補正する
。
【実用新案登録請求の範囲】 (1) 回転する光学式情報記録デイスクから情報
を読み取る光学式ピツクアツプを含む演奏手段と
、前記演奏手段から得られる情報信号を再生処理
して再生信号を生ずる再生処理手段と、前記光学
式ピツクアツプの光軸調整をなすチルトサーボ手
段とを含む光学式デイスクプレーヤであつて、前
記プレーヤの動作状態に応じて前記チルトサーボ
手段のチルトサーボ動作を停止せしめて前記光学
式ピツクアツプの光軸をその復帰位置に復帰せし
めることを特徴とする光学式デイスクプレーヤ。(2) 前記再生処理手段によつて前記再生信号が
得られない状態のとき前記チルトサーボ手段のチ
ルトサーボ動作を停止せしめて前記光学式ピツク
アツプの光軸をその復帰位置に復帰せしめること
を特徴とする実用新案登録請求の範囲第１項記載
の光学式デイスクプレーヤ。 (3) 情報信号の再生終了後、前記光学式ピツク
アツプが前記光学情報記録デイスクの外周側から
内周側に向つて移動するときに前記チルトサーボ
手段のチルトサーボ動作を停止せしめて前記光学
式ピツクアツプの光軸をその復帰位置に復帰せし
めることを特徴とする実用新案登録請求の範囲第
１項記載の光学式デイスクプレーヤ。 (4) 前記情報記録デイスクが音声デイジタル信
号領域及びビデオ信号領域を有する複合デイスク
であり、前記音声デイジタル信号領域の再生をな
すときに前記チルトサーボ手段のチルトサーボ動
作を停止せしめて前記光学式ピツクアツプの光軸
をその復帰位置に復帰せしめることを特徴とする
実用新案登録請求の範囲第１項記載の光学式デイ
スクプレーヤ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 回転する光学式情報記録デイスクから情報を読
    み取る光学式ピツクアツプを含む演奏手段と、前
    記演奏手段から得られる情報信号を再生処理して
    再生信号を生ずる再生処理手段と、前記光学式ピ
    ツクアツプの光軸調整をなすチルトサーボ手段と
    を含む光学式デイスクプレーヤであつて、前記再
    生処理手段によつて前記再生信号が得られない状
    態のとき前記チルトサーボ手段のチルトサーボ動
    作を停止せしめて前記光学式ピツクアツプの光軸
    をその復帰位置に復帰せしめることを特徴とする
    光学式デイスクプレーヤ。
JP1987032896U 1987-03-06 1987-03-06 光学式デイスクプレ−ヤ Expired - Lifetime JPH0614256Y2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1987032896U JPH0614256Y2 (ja) 1987-03-06 1987-03-06 光学式デイスクプレ−ヤ
US07/165,055 US4829508A (en) 1987-03-06 1988-03-07 Carriage tilt control in an optical disk player

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987032896U JPH0614256Y2 (ja) 1987-03-06 1987-03-06 光学式デイスクプレ−ヤ

Publications (2)

Publication Number Publication Date
JPS63142014U true JPS63142014U (ja) 1988-09-19
JPH0614256Y2 JPH0614256Y2 (ja) 1994-04-13

Family

ID=12371655

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987032896U Expired - Lifetime JPH0614256Y2 (ja) 1987-03-06 1987-03-06 光学式デイスクプレ−ヤ

Country Status (2)

Country Link
US (1) US4829508A (ja)
JP (1) JPH0614256Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0337829A (ja) * 1989-07-05 1991-02-19 Mitsubishi Electric Corp 光ヘッド

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5124973A (en) * 1988-02-04 1992-06-23 Pioneer Electronic Corporation Tilt control mechanism
JPH02232820A (ja) * 1989-03-06 1990-09-14 Pioneer Electron Corp 両面再生ディスクプレーヤ
JPH0648568Y2 (ja) * 1989-03-09 1994-12-12 パイオニア株式会社 光ピックアップ装置のチルト機構
US5239532A (en) * 1989-03-28 1993-08-24 U.S. Philips Corporation Drive arrangement for the writing/reading heads of a magneto-optical disc apparatus
US5179544A (en) * 1989-03-28 1993-01-12 U.S. Philips Corporation Control system for the magnetic head of a magneto-optical disc apparatus
US5172361A (en) * 1989-06-01 1992-12-15 Sony Corporation Disc loading apparatus
US5177731A (en) * 1990-12-21 1993-01-05 Tamashim Denki Co, Ltd. Disk drive and pickup unit for an optical disk player
US5311497A (en) * 1991-09-30 1994-05-10 Sony Corporation Pickup feeding apparatus for a double-sided reproducing disc player
KR0135874B1 (ko) * 1992-02-28 1998-05-15 강진구 디스크인식방법
US5596563A (en) * 1992-05-12 1997-01-21 Goldstar C., Ltd. Both-sides playing optical disc player
KR950007443B1 (ko) * 1992-12-31 1995-07-11 대우전자주식회사 멀티디스크플레이어의 틸팅장치
JP3547908B2 (ja) * 1996-07-12 2004-07-28 パイオニア株式会社 光ピックアップ
JP4075174B2 (ja) * 1998-12-25 2008-04-16 ソニー株式会社 ディスクドライブ装置及びそのヘッド送り機構
JP2003203364A (ja) * 2002-01-08 2003-07-18 Teac Corp ディスク装置
JP2005196922A (ja) * 2004-01-09 2005-07-21 Pioneer Electronic Corp 情報装置
WO2009016847A1 (ja) 2007-08-02 2009-02-05 Panasonic Corporation 複合対物レンズ、回折素子、光ヘッド装置、光情報装置、対物レンズ駆動方法および制御装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58114673U (ja) * 1982-01-28 1983-08-05 株式会社東芝 時間軸変動補正回路

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0162614A3 (en) * 1984-05-23 1988-03-30 Seagate Technology Improved rotary actuator for a disc drive

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58114673U (ja) * 1982-01-28 1983-08-05 株式会社東芝 時間軸変動補正回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0337829A (ja) * 1989-07-05 1991-02-19 Mitsubishi Electric Corp 光ヘッド

Also Published As

Publication number Publication date
JPH0614256Y2 (ja) 1994-04-13
US4829508A (en) 1989-05-09

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