JPH022609U - - Google Patents
Info
- Publication number
- JPH022609U JPH022609U JP8152188U JP8152188U JPH022609U JP H022609 U JPH022609 U JP H022609U JP 8152188 U JP8152188 U JP 8152188U JP 8152188 U JP8152188 U JP 8152188U JP H022609 U JPH022609 U JP H022609U
- Authority
- JP
- Japan
- Prior art keywords
- photodiode
- clamping
- laser power
- power calibration
- optical disk
- 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 4
- 239000000758 substrate Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Optical Head (AREA)
Description
第１図は本考案のレーザパワー校正装置の一実
施例を示す構成図、第２図は従来のレーザパワー
校正装置の一例を示す構成図である。
１……スピンドルモータ、１１……クランプ機
構、１２……クランプ面、１３……クランパ、２
……光ヘツド、３……送り機構、４……フオトダ
イオード、４１……ホルダ、４２……アーム、４
３……シム、４４……ボス、５……基板部、５１
……穴。
FIG. 1 is a block diagram showing an embodiment of a laser power calibration device of the present invention, and FIG. 2 is a block diagram showing an example of a conventional laser power calibration device. DESCRIPTION OF SYMBOLS 1... Spindle motor, 11... Clamp mechanism, 12... Clamp surface, 13... Clamper, 2
...Optical head, 3...Feeding mechanism, 4...Photodiode, 41...Holder, 42...Arm, 4
3...Shim, 44...Boss, 5...Board part, 51
……hole.
Claims (1)
デイスクのクランプ機構により共通にクランプさ
れるクランプ部を有し前記フオトダイオードをそ
のクランプ面から一定の高さに保持する基板部と
を具備し、前記基板部を光デイスクのクランプ機
構にクランプさせることにより前記フオトダイオ
ードを光ヘツド上の所定の受光位置に配置するよ
うにしてなるレーザパワー校正装置。 The substrate part includes a photodiode for laser power calibration, and a substrate part that has a clamp part that is commonly clamped by a clamping mechanism of an optical disk and holds the photodiode at a constant height from the clamping surface. 1. A laser power calibration device, wherein the photodiode is placed at a predetermined light receiving position on an optical head by clamping the photodiode to a clamping mechanism of an optical disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8152188U JPH022609U (en) | 1988-06-20 | 1988-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8152188U JPH022609U (en) | 1988-06-20 | 1988-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH022609U true JPH022609U (en) | 1990-01-09 |
Family
ID=31306300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8152188U Pending JPH022609U (en) | 1988-06-20 | 1988-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH022609U (en) |
-
1988
- 1988-06-20 JP JP8152188U patent/JPH022609U/ja active Pending
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