JPH0340616U - - Google Patents
Info
- Publication number
- JPH0340616U JPH0340616U JP9914589U JP9914589U JPH0340616U JP H0340616 U JPH0340616 U JP H0340616U JP 9914589 U JP9914589 U JP 9914589U JP 9914589 U JP9914589 U JP 9914589U JP H0340616 U JPH0340616 U JP H0340616U
- Authority
- JP
- Japan
- Prior art keywords
- tilt
- optical pickup
- variable resistor
- cam
- detector
- 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
- 230000003287 optical effect Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims 1
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Description
第１図及び第２図はこの考案に係わる光ピツク
アツプの傾き調整装置の実施例を示し、第１図は
光デイスクプレーヤ要部の斜視図、第２図は光ピ
ツクアツプ傾き調整装置の側面図である。第３図
は従来例の光ピツクアツプの傾き調整装置の側面
図である。
主な符号の説明、１……傾斜カム、１ａ……傾
斜カムの傾斜部、１ｂ……傾斜カムのカムギヤ部
、１ｃ……傾斜カム回動用の中央部穴、２……傾
斜カムを保持する軸、３……比較器、４……モー
タ用の駆動回路、５……サブシヤーシ、６……サ
ブシヤーシの摺動部、７……サブシヤーシ回動用
の軸、８……モータ、９……モータ軸に設けたモ
ータギヤ、１０……第１のセンサ、１１……第２
のセンサ、１２……光ピツクアツプ、１３……光
デイスク、１４……可変抵抗器、１５……可変抵
抗器の軸、１６……基準抵抗、１７……比較器、
１８……モータ用の駆動回路。
1 and 2 show an embodiment of the optical pickup tilt adjustment device according to this invention, FIG. 1 is a perspective view of the main parts of an optical disc player, and FIG. 2 is a side view of the optical pickup tilt adjustment device. be. FIG. 3 is a side view of a conventional optical pickup tilt adjustment device. Explanation of main symbols: 1... Inclined cam, 1a... Inclined part of the inclined cam, 1b... Cam gear part of the inclined cam, 1c... Central hole for rotating the inclined cam, 2... Holds the inclined cam Shaft, 3...Comparator, 4...Drive circuit for motor, 5...Sub-chassis, 6...Sliding part of sub-chassis, 7...Axle for sub-chassis rotation, 8...Motor, 9...Motor shaft Motor gear provided in 10...first sensor, 11...second sensor
sensor, 12... optical pickup, 13... optical disk, 14... variable resistor, 15... shaft of variable resistor, 16... reference resistance, 17... comparator,
18... Drive circuit for motor.
Claims (1)
整するようにした光ピツクアツプの傾き調整装置
において、 可変抵抗器を設け、この可変抵抗器の軸を前記
傾斜カムの回動用中央部穴に固定するように構成
したことを特徴とする光ピツクアツプの傾き調整
装置。 ２ 基準抵抗器の抵抗値と可変抵抗器の抵抗値と
の差を検出する検出器と、この検出器の検出結果
に基づき傾斜カムを駆動する駆動回路とを設け光
ピツクアツプの傾きを基準位置に設定するように
構成したことを特徴とする請求項１記載の光ピツ
クアツプの傾き調整装置。[Claims for Utility Model Registration] 1. A tilt adjustment device for an optical pickup that uses a tilt cam to adjust the tilt of an optical pickup, wherein a variable resistor is provided, and the axis of the variable resistor is connected to the rotation of the tilt cam. 1. A tilt adjustment device for an optical pickup, characterized in that the device is configured to be fixed in a central hole of a moving device. 2. A detector that detects the difference between the resistance value of the reference resistor and the resistance value of the variable resistor, and a drive circuit that drives the tilt cam based on the detection result of this detector are provided to set the tilt of the optical pickup to the reference position. 2. The optical pickup tilt adjusting device according to claim 1, wherein the tilt adjusting device is configured to adjust the tilt of an optical pickup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9914589U JPH079207Y2 (en) | 1989-08-28 | 1989-08-28 | Optical pickup tilt adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9914589U JPH079207Y2 (en) | 1989-08-28 | 1989-08-28 | Optical pickup tilt adjustment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0340616U true JPH0340616U (en) | 1991-04-18 |
| JPH079207Y2 JPH079207Y2 (en) | 1995-03-06 |
Family
ID=31648207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9914589U Expired - Lifetime JPH079207Y2 (en) | 1989-08-28 | 1989-08-28 | Optical pickup tilt adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH079207Y2 (en) |
-
1989
- 1989-08-28 JP JP9914589U patent/JPH079207Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH079207Y2 (en) | 1995-03-06 |