JPS60173132U - Disk tilt detection device - Google Patents
Disk tilt detection deviceInfo
- Publication number
- JPS60173132U JPS60173132U JP6089584U JP6089584U JPS60173132U JP S60173132 U JPS60173132 U JP S60173132U JP 6089584 U JP6089584 U JP 6089584U JP 6089584 U JP6089584 U JP 6089584U JP S60173132 U JPS60173132 U JP S60173132U
- Authority
- JP
- Japan
- Prior art keywords
- light
- light emitting
- emitting element
- tilt detection
- pair
- 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
Landscapes
- Optical Recording Or Reproduction (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はチルトサーボ機構の一例を示す断面図、第２図
は従来装置を示す構成図、第３図ａ。
ｂ、 ｃは従来装置の動作説明図、第４図、第５図及び
第６図は本考案装置の一例を示す斜視図、平面図及び縦
断面図、第７図は本考案装置の動作説明図である。
主要部分の符号の説明、１・・・ディスク、５・・・対
物レンズ、１０・・・オプティカルセンサ、１１・・・
発光素子、１２ａ、１２ｂ・・・受光素子、１３・・・
差動アンプ、２０・・・ホルダー、２１・・・素子収納
部、２２ ａ、、 ２２ ｂ・・・素子配設部。FIG. 1 is a sectional view showing an example of a tilt servo mechanism, FIG. 2 is a configuration diagram showing a conventional device, and FIG. 3a. b, c are explanatory diagrams of the operation of the conventional device; FIGS. 4, 5, and 6 are perspective views, plan views, and longitudinal cross-sectional views showing an example of the device of the present invention; FIG. 7 is an explanation of the operation of the device of the present invention. It is a diagram. Explanation of symbols of main parts: 1... Disc, 5... Objective lens, 10... Optical sensor, 11...
Light emitting element, 12a, 12b... Light receiving element, 13...
Differential amplifier, 20... holder, 21... element storage section, 22 a, 22 b... element arrangement section.
Claims (5)
、前記発光素子に関して対称に配置され前記発光素子の
照射光に基づ（前記情報記録面による反射光を受光する
一対の受光素子とを備え、前記一対の受光素子の出力に
基づいて記録情報読取用光ビームの光軸に対する前記記
録デ゛ イスクの傾き角度を検出するようになされたデ
ィスク傾き検出装置であって、前記発光素子を収納しか
つ前記発光素子からその反射光の照射方向に離間した先
端に開口部を有する素子収納部と、前記素子収納部から
離れる方向において前記照射方向に傾斜する傾斜面を有
しこの傾斜面に前記受光素子が配設される一対の素子配
設部とからなるホルダーを備えたことを特徴とするディ
スク傾き検出装置。(1) A light emitting element that irradiates the information recording surface of the recording disk, and a pair of light receiving elements that are arranged symmetrically with respect to the light emitting element and receive light reflected by the information recording surface based on the irradiated light of the light emitting element. A disk tilt detection device configured to detect the tilt angle of the recording disk with respect to the optical axis of the recorded information reading light beam based on the output of the pair of light receiving elements, the device housing the light emitting element. and an element accommodating part having an opening at a tip spaced apart from the light emitting element in the irradiation direction of the reflected light; 1. A disk tilt detection device comprising a holder comprising a pair of element placement portions in which a light receiving element is placed.
タイプの素子であることを特徴とする実用新案登録請求
の範囲第１項記載のディスク傾き検出装置。(2) The disk tilt detection device according to claim 1, wherein the light emitting element is a diffusion type element whose irradiation light has a wide directivity angle.
記一対の受光素子の配列方向にて狭くかつ該配列方向と
直交する方向にて広い矩形形状を有することを特徴とす
る実用新案登録請求の範囲第１項記載の゛ディスク傾き
検出装置。(3) The opening of the element storage section has a rectangular shape that is narrow in the arrangement direction of the light emitting element and the pair of light receiving elements and wide in the direction orthogonal to the arrangement direction. A disk tilt detection device according to claim 1.
光素子の配列方向にて基部が太くかつ先端部が細いテー
パ形状を有することを特徴とする実用新案登録請求の範
囲第１項記載のディスク傾き検出装置。 ゛(4) The device housing portion has a tapered shape with a thick base and a thin tip in the direction in which the light emitting device and the pair of light receiving devices are arranged. Disc tilt detection device.゛
が前記記録情報読取用光ビームの移動方向に一致してい
ることを特徴とする実用新案登録請求の範囲第１項記載
のディスク傾き検出装置。(5) Disk tilt detection according to claim 1, wherein the direction in which the light emitting element and the pair of light receiving elements are arranged coincides with the moving direction of the recorded information reading light beam. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6089584U JPS60173132U (en) | 1984-04-25 | 1984-04-25 | Disk tilt detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6089584U JPS60173132U (en) | 1984-04-25 | 1984-04-25 | Disk tilt detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60173132U true JPS60173132U (en) | 1985-11-16 |
| JPH0329780Y2 JPH0329780Y2 (en) | 1991-06-25 |
Family
ID=30588662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6089584U Granted JPS60173132U (en) | 1984-04-25 | 1984-04-25 | Disk tilt detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60173132U (en) |
-
1984
- 1984-04-25 JP JP6089584U patent/JPS60173132U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0329780Y2 (en) | 1991-06-25 |
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