JPH02110057U - - Google Patents

Info

Publication number
JPH02110057U
JPH02110057U JP1740389U JP1740389U JPH02110057U JP H02110057 U JPH02110057 U JP H02110057U JP 1740389 U JP1740389 U JP 1740389U JP 1740389 U JP1740389 U JP 1740389U JP H02110057 U JPH02110057 U JP H02110057U
Authority
JP
Japan
Prior art keywords
player
disk
motor
size
determining
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
JP1740389U
Other languages
Japanese (ja)
Other versions
JPH0617215Y2 (en
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 JP1740389U priority Critical patent/JPH0617215Y2/en
Publication of JPH02110057U publication Critical patent/JPH02110057U/ja
Application granted granted Critical
Publication of JPH0617215Y2 publication Critical patent/JPH0617215Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

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

第1図はこの考案の一実施例の動作を示すフロ
ー図である。第2図はこの考案の一実施例を示す
ブロツク図である。第3図はサーボ定数切換回路
の一例を示す回路図である。 図において、10はCDプレーヤ、12は回転
サーボ系、14はデイスクモータ、16はCD、
34はデータプロセサ、36はシステムコントロ
ールマイコン、38,38a,38bはトランジ
スタを示す。
FIG. 1 is a flow diagram showing the operation of one embodiment of this invention. FIG. 2 is a block diagram showing an embodiment of this invention. FIG. 3 is a circuit diagram showing an example of a servo constant switching circuit. In the figure, 10 is a CD player, 12 is a rotating servo system, 14 is a disk motor, 16 is a CD,
34 is a data processor, 36 is a system control microcomputer, and 38, 38a, and 38b are transistors.

Claims (1)

【実用新案登録請求の範囲】 CDプレーヤに取り付けられたデイスクサイズ
を判別する手段、および前記判別手段の出力に応
答してデイスクモータのサーボ系のサーボ定数を
切り換える手段を含むCDプレーヤにおいて、 前記デイスクモータを起動した後Qコードを読
み取るまでの時間の差によつて前記デイスクサイ
ズを判別するようにしたことを特徴とする、CD
プレーヤ。
[Claims for Utility Model Registration] A CD player, comprising means for determining the size of a disk attached to the CD player, and means for switching a servo constant of a servo system of a disk motor in response to the output of the determining means, comprising: A CD characterized in that the disk size is determined based on the difference in time between starting the motor and reading the Q code.
player.
JP1740389U 1989-02-16 1989-02-16 CD player Expired - Lifetime JPH0617215Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1740389U JPH0617215Y2 (en) 1989-02-16 1989-02-16 CD player

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1740389U JPH0617215Y2 (en) 1989-02-16 1989-02-16 CD player

Publications (2)

Publication Number Publication Date
JPH02110057U true JPH02110057U (en) 1990-09-03
JPH0617215Y2 JPH0617215Y2 (en) 1994-05-02

Family

ID=31231155

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1740389U Expired - Lifetime JPH0617215Y2 (en) 1989-02-16 1989-02-16 CD player

Country Status (1)

Country Link
JP (1) JPH0617215Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04105857U (en) * 1991-02-20 1992-09-11 株式会社ケンウツド CD player disk motor servo circuit
JPH05217276A (en) * 1992-02-06 1993-08-27 Sanyo Electric Co Ltd Disk player

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04105857U (en) * 1991-02-20 1992-09-11 株式会社ケンウツド CD player disk motor servo circuit
JPH05217276A (en) * 1992-02-06 1993-08-27 Sanyo Electric Co Ltd Disk player

Also Published As

Publication number Publication date
JPH0617215Y2 (en) 1994-05-02

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