JPS647328A - Positioning and adjusting device for photodetector - Google Patents
Positioning and adjusting device for photodetectorInfo
- Publication number
- JPS647328A JPS647328A JP16123887A JP16123887A JPS647328A JP S647328 A JPS647328 A JP S647328A JP 16123887 A JP16123887 A JP 16123887A JP 16123887 A JP16123887 A JP 16123887A JP S647328 A JPS647328 A JP S647328A
- Authority
- JP
- Japan
- Prior art keywords
- photodetector
- photodetecting
- adjusted
- monitor
- faces
- 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
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Abstract
PURPOSE:To attain the adjustment of the servo system accurately for an unskillful operator through the observation of a monitor by observing a light reflected on a disk radiated to a photodetector on the monitor TV set directly. CONSTITUTION:A tip of an optical glass 10 is inserted between a cylindrical lens 8 and a photodetector 9. Then a reflected light from an optical disk radiated onto a photoelectric face through a half mirror 10A is reflected again upward by the mirror 10A and made incident in a solid-state image pickup element 12. Then the photodetecting face of the photodetector 9 is displayed on a TV set 25 by a CCD12. A main spot S0 is located nearly in the middle of photodetecting faces A-D and the mounting screw of the detector 9 is adjusted so that side spots S+1, S-1 come in the middle of photodetecting faces E, F, then the Z axis of the photodetector 9 is adjusted so that each of the main and side spots is made circular and the tilt of the photodetector 9 is adjusted so that the side spot comes in the middle of the photodetecting faces E, F.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16123887A JPS647328A (en) | 1987-06-30 | 1987-06-30 | Positioning and adjusting device for photodetector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16123887A JPS647328A (en) | 1987-06-30 | 1987-06-30 | Positioning and adjusting device for photodetector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS647328A true JPS647328A (en) | 1989-01-11 |
Family
ID=15731268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16123887A Pending JPS647328A (en) | 1987-06-30 | 1987-06-30 | Positioning and adjusting device for photodetector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS647328A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04283424A (en) * | 1991-03-12 | 1992-10-08 | Fujitsu Ltd | Beam position control method and device for pregroove writer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5823307B2 (en) * | 1979-02-17 | 1983-05-14 | 工業技術院長 | Discharge device for bulk items, etc. |
| JPS61192038A (en) * | 1985-02-20 | 1986-08-26 | Matsushita Electric Ind Co Ltd | Optical information recorder |
| JPS6246445A (en) * | 1985-08-22 | 1987-02-28 | Matsushita Electric Ind Co Ltd | Information recorder |
-
1987
- 1987-06-30 JP JP16123887A patent/JPS647328A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5823307B2 (en) * | 1979-02-17 | 1983-05-14 | 工業技術院長 | Discharge device for bulk items, etc. |
| JPS61192038A (en) * | 1985-02-20 | 1986-08-26 | Matsushita Electric Ind Co Ltd | Optical information recorder |
| JPS6246445A (en) * | 1985-08-22 | 1987-02-28 | Matsushita Electric Ind Co Ltd | Information recorder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04283424A (en) * | 1991-03-12 | 1992-10-08 | Fujitsu Ltd | Beam position control method and device for pregroove writer |
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