JPS63157859U - - Google Patents

Info

Publication number
JPS63157859U
JPS63157859U JP5089187U JP5089187U JPS63157859U JP S63157859 U JPS63157859 U JP S63157859U JP 5089187 U JP5089187 U JP 5089187U JP 5089187 U JP5089187 U JP 5089187U JP S63157859 U JPS63157859 U JP S63157859U
Authority
JP
Japan
Prior art keywords
amount
braking
disc
mentioned
disc player
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.)
Pending
Application number
JP5089187U
Other languages
Japanese (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 JP5089187U priority Critical patent/JPS63157859U/ja
Publication of JPS63157859U publication Critical patent/JPS63157859U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Rotational Drive Of Disk (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の実施例を示すブロツク図、第
２図は本考案を原理的に説明するための特性図、
第３図は他の実施例に用いられる特性図、第４図
はピツクアツプの位置に対するブレーキ量の特性
図である。 なお図面に用いた符号において、１……デイス
ク、２……ドライブ回路、３……スピンドルモー
タ、４……ピツクアツプ、６……位置情報読取り
回路、７……ブレーキ時間演算回路、８……タイ
マ用カウンタ、である。 Fig. 1 is a block diagram showing an embodiment of the invention, Fig. 2 is a characteristic diagram for explaining the principle of the invention,
FIG. 3 is a characteristic diagram used in another embodiment, and FIG. 4 is a characteristic diagram of the brake amount with respect to the pickup position. In the symbols used in the drawings, 1...disk, 2...drive circuit, 3...spindle motor, 4...pickup, 6...position information reading circuit, 7...brake time calculation circuit, 8...timer counter.

Claims (1)

【実用新案登録請求の範囲】 線速度一定で回転されるデイスクを再生するデ
イスクプレーヤにおいて、 停止命令信号に基いて再生信号からデイスクに
対するピツクアツプの位置を検出する手段と、 上記検出された位置情報に基いて必要なブレー
キ量を演算する手段と、 上記デイスクを駆動するモータに与えられるブ
レーキ量を計測する手段とを設け、 上記計測されたブレーキ量が上記演算されたブ
レーキ量に達したとき、上記モータの駆動回路の
動作を停止させるようにしたデイスクプレーヤの
ブレーキ制御装置。[Scope of Claim for Utility Model Registration] In a disc player that plays back a disc that is rotated at a constant linear velocity, means for detecting the position of a pickup relative to the disc from a playback signal based on a stop command signal; means for calculating the necessary amount of braking based on the above-mentioned brake amount, and means for measuring the amount of braking applied to the motor that drives the disk, and when the measured amount of braking reaches the calculated amount of braking, the above-mentioned A brake control device for a disc player that stops the operation of the motor drive circuit.
JP5089187U 1987-04-03 1987-04-03 Pending JPS63157859U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5089187U JPS63157859U (en) 1987-04-03 1987-04-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5089187U JPS63157859U (en) 1987-04-03 1987-04-03

Publications (1)

Publication Number Publication Date
JPS63157859U true JPS63157859U (en) 1988-10-17

Family

ID=30874663

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5089187U Pending JPS63157859U (en) 1987-04-03 1987-04-03

Country Status (1)

Country Link
JP (1) JPS63157859U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02260281A (en) * 1989-03-31 1990-10-23 Sanyo Electric Co Ltd Method for braking rotation of disk reproducing device and rotation control device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5758269A (en) * 1980-09-24 1982-04-07 Sony Corp Device for reproducing disk
JPS5956262A (en) * 1982-09-27 1984-03-31 Toshiba Corp Disc device
JPS59107453A (en) * 1982-12-09 1984-06-21 Toshiba Corp Disk record reproducer
JPS61278082A (en) * 1985-06-04 1986-12-08 Matsushita Electric Ind Co Ltd Braking device for information reproducing device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5758269A (en) * 1980-09-24 1982-04-07 Sony Corp Device for reproducing disk
JPS5956262A (en) * 1982-09-27 1984-03-31 Toshiba Corp Disc device
JPS59107453A (en) * 1982-12-09 1984-06-21 Toshiba Corp Disk record reproducer
JPS61278082A (en) * 1985-06-04 1986-12-08 Matsushita Electric Ind Co Ltd Braking device for information reproducing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02260281A (en) * 1989-03-31 1990-10-23 Sanyo Electric Co Ltd Method for braking rotation of disk reproducing device and rotation control device

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