JPH0265217U - - Google Patents
Info
- Publication number
- JPH0265217U JPH0265217U JP14401588U JP14401588U JPH0265217U JP H0265217 U JPH0265217 U JP H0265217U JP 14401588 U JP14401588 U JP 14401588U JP 14401588 U JP14401588 U JP 14401588U JP H0265217 U JPH0265217 U JP H0265217U
- Authority
- JP
- Japan
- Prior art keywords
- guide shaft
- disc player
- drive device
- disk
- optical disc
- 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
Links
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第１図は本考案の一実施例に係るビデオデイス
クプレーヤのチルトサーボ機構ならびにこのチル
トサーボ機構を利用したピツクアツプの初期姿勢
補正機構を示す説明図、第２Ａ図から第２Ｃ図は
カムの回転によつて検知スイツチがオン・オフさ
れる様子を示す第１図の―断面図、第３図は
ビデオデイスクプレーヤなどに設けられている従
来のガイド軸の倒れ検知部を示す斜視図、第４図
はチルトサーボ機構の動作を示す側面図である。
１……光ピツクアツプ、２……ターンテーブル
、４……ガイド軸、５……チルトセンサ、８……
モータ、２０……カム（回転板）、２１……スイ
ツチ（検知部材）、Ａ……検知部。
FIG. 1 is an explanatory diagram showing a tilt servo mechanism of a video disc player according to an embodiment of the present invention and an initial posture correction mechanism of a pickup using this tilt servo mechanism. Fig. 1 is a cross-sectional view showing how the detection switch is turned on and off, Fig. 3 is a perspective view showing a conventional guide shaft tilt detection unit installed in a video disc player, etc., and Fig. 4 is a tilt servo. FIG. 3 is a side view showing the operation of the mechanism. 1... Optical pickup, 2... Turntable, 4... Guide shaft, 5... Tilt sensor, 8...
Motor, 20... cam (rotating plate), 21... switch (detection member), A... detection section.
Claims (1)
に対向する光ピツクアツプと、この光ピツクアツ
プをデイスクの半径方向に移動できるように支持
するガイド軸と、前記ガイド軸を傾斜方向へ動作
させる補正駆動装置と、前記光ピツクアツプのデ
イスクに対する傾斜姿勢を検知するセンサと、こ
のセンサの検知信号によつて前記補正駆動装置を
補正動作させる制御回路とが設けられている光デ
イスクプレーヤにおいて、前記補正駆動装置は、
モータによつて回転するスクリユー軸と、前記ガ
イド軸に連結され且つ前記スクリユー軸に係合し
てスクリユー軸の回転に応じてガイド軸を傾斜さ
せる移動部材とから成るものであり且つ、前記モ
ータの動力によつて駆動される回転体と、前記ガ
イド軸が所定の角度姿勢になつたときにこの回転
体によつて切換えられる検知部材とが設けられて
いることを特徴とする光デイスクプレーヤ。 an optical pickup facing a recording surface of a disk installed on a turntable, a guide shaft that supports the optical pickup so as to be movable in a radial direction of the disk, and a correction drive device that moves the guide shaft in a tilt direction; In the optical disc player, the optical disc player is provided with a sensor that detects a tilted attitude of the optical pickup with respect to the disk, and a control circuit that causes the correction drive device to perform a correction operation based on a detection signal from the sensor, wherein the correction drive device comprises:
It consists of a screw shaft rotated by a motor, and a moving member connected to the guide shaft and engaged with the screw shaft to tilt the guide shaft in accordance with the rotation of the screw shaft. An optical disc player comprising: a rotating body driven by power; and a detection member switched by the rotating body when the guide shaft assumes a predetermined angular attitude.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14401588U JPH0265217U (en) | 1988-11-01 | 1988-11-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14401588U JPH0265217U (en) | 1988-11-01 | 1988-11-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0265217U true JPH0265217U (en) | 1990-05-16 |
Family
ID=31411349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14401588U Pending JPH0265217U (en) | 1988-11-01 | 1988-11-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0265217U (en) |
-
1988
- 1988-11-01 JP JP14401588U patent/JPH0265217U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0265217U (en) | ||
| JPH021748Y2 (en) | ||
| JP3157332B2 (en) | Disk player rotation speed detection device | |
| JPH03176856A (en) | Loose prevention device for rotor of motor | |
| JPS6229633U (en) | ||
| JPH01107063U (en) | ||
| JPH045097Y2 (en) | ||
| JPS61126464U (en) | ||
| JPH04265525A (en) | Head tilting mechanism for optical disk device | |
| JPH0340616U (en) | ||
| JPH01109864U (en) | ||
| JPS6313178A (en) | Head positioning device for disk device | |
| JPS6243242B2 (en) | ||
| JPS6445312U (en) | ||
| JPS61149112U (en) | ||
| JPS6012829U (en) | Crosstalk removal device for recorded information playback device | |
| JPH0476642U (en) | ||
| JPS5910165U (en) | Device for driving conversion elements in disk devices | |
| JPH02117760U (en) | ||
| JPS62158670U (en) | ||
| JPS63109322U (en) | ||
| JPS63164856U (en) | ||
| JPH0289617U (en) | ||
| JPH0296657U (en) | ||
| JPH01116989U (en) |