JPH0337611U - - Google Patents
Info
- Publication number
- JPH0337611U JPH0337611U JP9407089U JP9407089U JPH0337611U JP H0337611 U JPH0337611 U JP H0337611U JP 9407089 U JP9407089 U JP 9407089U JP 9407089 U JP9407089 U JP 9407089U JP H0337611 U JPH0337611 U JP H0337611U
- Authority
- JP
- Japan
- Prior art keywords
- recording medium
- section
- pickup
- type
- recording
- 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 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
図は本考案の一実施例を示し、第１図は本考案
の構成を示すブロツク図、第２図は本考案の動作
を説明するためのフローチヤートである。
１……ピツクアツプ部、３……圧電素子（支持
部）、４……キヤリツジ、５……ホトリフレクタ
、６……判別回路、７……記憶手段、８……圧電
素子駆動回路、９……記録媒体、１１……ＣＰＵ
。
The drawings show one embodiment of the present invention, FIG. 1 is a block diagram showing the configuration of the present invention, and FIG. 2 is a flowchart for explaining the operation of the present invention. DESCRIPTION OF SYMBOLS 1... Pickup part, 3... Piezoelectric element (support part), 4... Carriage, 5... Photoreflector, 6... Discrimination circuit, 7... Storage means, 8... Piezoelectric element drive circuit, 9... Recording medium, 11...CPU
.
Claims (1)
に、記録面からの反射光を通す対物レンズと、前
記対物レンズ及び反射光を光学情報読取部へ導く
光学系を備えたピツクアツプ部と、前記記録媒体
の記録面に対して前記ピツクアツプ部を傾斜自在
に支持する支持部と、前記ピツクアツプ部の傾斜
を変えるため前記支持部を駆動する駆動手段と、
記録媒体の種類を判別する判別手段と、前記記録
媒体の種別に対応し、ピツクアツプ部の記録媒体
に対する角度を記憶した記憶手段と、前記判別手
段で判別した結果に基き、前記記憶手段から読出
した記憶データにより、前記駆動手段を制御する
制御回路とを備え、記録媒体の種別に応じ、前記
ピツクアツプ部の記録媒体に対する傾斜角度を調
整することを特徴とする光学式情報読取装置。 a pickup section comprising an objective lens that focuses a light beam on a recording surface of a recording medium and transmits reflected light from the recording surface; an optical system that guides the objective lens and the reflected light to an optical information reading section; and the recording medium. a support section that supports the pick-up section so as to be tiltable with respect to a recording surface of the pickup section; and a drive means that drives the support section to change the inclination of the pick-up section.
a determination means for determining the type of recording medium; a storage means for storing the angle of the pickup portion relative to the recording medium corresponding to the type of the recording medium; What is claimed is: 1. An optical information reading device comprising: a control circuit for controlling said driving means based on stored data; and adjusting an inclination angle of said pickup section with respect to a recording medium depending on the type of recording medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9407089U JPH0337611U (en) | 1989-08-10 | 1989-08-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9407089U JPH0337611U (en) | 1989-08-10 | 1989-08-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0337611U true JPH0337611U (en) | 1991-04-11 |
Family
ID=31643411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9407089U Pending JPH0337611U (en) | 1989-08-10 | 1989-08-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0337611U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997015922A1 (en) * | 1995-10-26 | 1997-05-01 | Sony Corporation | Optical disk drive |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6157319B2 (en) * | 1978-09-04 | 1986-12-06 | Daiichi Kagaku Yakuhin Kk |
-
1989
- 1989-08-10 JP JP9407089U patent/JPH0337611U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6157319B2 (en) * | 1978-09-04 | 1986-12-06 | Daiichi Kagaku Yakuhin Kk |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997015922A1 (en) * | 1995-10-26 | 1997-05-01 | Sony Corporation | Optical disk drive |
| AU705986B2 (en) * | 1995-10-26 | 1999-06-03 | Sony Corporation | Optical disk driving device |
| US5970035A (en) * | 1995-10-26 | 1999-10-19 | Sony Corporation | Disc device that controls the incident angle of a light beam striking a disc |
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