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
Links
- 238000010586 diagram Methods 0.000 description 3
Description
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)
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.
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)
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 |
-
1989
- 1989-02-16 JP JP1740389U patent/JPH0617215Y2/en not_active Expired - Lifetime
Cited By (2)
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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