JPS58193363U - Optical information recording and reproducing device - Google Patents
Optical information recording and reproducing deviceInfo
- Publication number
- JPS58193363U JPS58193363U JP9129682U JP9129682U JPS58193363U JP S58193363 U JPS58193363 U JP S58193363U JP 9129682 U JP9129682 U JP 9129682U JP 9129682 U JP9129682 U JP 9129682U JP S58193363 U JPS58193363 U JP S58193363U
- Authority
- JP
- Japan
- Prior art keywords
- reproducing device
- optical information
- information recording
- light
- hole
- 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図は本考案の一実施例の縦断面図、第２図は同実施
例に用いるディスクの平面図、第３図は同縦断面図、第
４図および第５図は本考案の一実施例にディスクを装着
した縦断面図で、第４図は反射ラベルを有する面を、第
５図はその裏面をそれぞれターンテーブルに接するよう
に装着した図、第６図は他の実施例の平面図で、貫通孔
と光検出器との位置関係を示す図、第７図は同縦断面図
、第８図はいま一つの、貫通孔と光検出器との位置関係
を示す平面図である。
１・・・・・・モータ、２・・・・・・回転軸、３．２
３・・・・・・ターンテーブル、４，２４・・・・・・
貫通孔、５，２５゜２５′・・・・・・光検出器、６，
２６・・・・・・ディスク表裏識別器、７・・・・・・
出射光軸、８・・・・・・回転円盤状記録媒体（ディス
ク）。
３４Fig. 1 is a longitudinal sectional view of an embodiment of the present invention, Fig. 2 is a plan view of a disk used in the embodiment, Fig. 3 is a longitudinal sectional view of the same, and Figs. 4 and 5 are an embodiment of the invention. Fig. 4 is a longitudinal cross-sectional view of the disk mounted in the embodiment, with the surface having the reflective label shown in Fig. 5, the back side of the disc mounted so as to be in contact with the turntable, and Fig. 6 of the other embodiment. FIG. 7 is a plan view showing the positional relationship between the through hole and the photodetector, FIG. 7 is a longitudinal sectional view of the same, and FIG. 8 is a plan view showing the positional relationship between the through hole and the photodetector. be. 1... Motor, 2... Rotating shaft, 3.2
3...Turntable, 4,24...
Through hole, 5, 25° 25'...Photodetector, 6,
26... Disk front/back discriminator, 7...
Output optical axis, 8...Rotating disc-shaped recording medium (disc). 34
Claims (1)
、情報を記録あるいは再生する光学式情報記録再生装置
において、前記回転円盤状記録媒体を保授して回転する
ターンテーブルに貫通孔を設け、かつ発光部と受光部を
有する少なくとも一つの光検出器を、この光検出器から
の出射光が前記貫通孔を通過するように前記ターンテー
ブルの下方に配置した光学式情報記録再生装置。In an optical information recording and reproducing device that records or reproduces information by condensing light generated from a light source onto a rotating disk-shaped recording medium, a through hole is provided in a turntable that rotates while holding the rotating disk-shaped recording medium. and at least one photodetector having a light emitting part and a light receiving part is arranged below the turntable so that light emitted from the photodetector passes through the through hole. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9129682U JPS58193363U (en) | 1982-06-17 | 1982-06-17 | Optical information recording and reproducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9129682U JPS58193363U (en) | 1982-06-17 | 1982-06-17 | Optical information recording and reproducing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58193363U true JPS58193363U (en) | 1983-12-22 |
| JPS6323812Y2 JPS6323812Y2 (en) | 1988-06-30 |
Family
ID=30099699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9129682U Granted JPS58193363U (en) | 1982-06-17 | 1982-06-17 | Optical information recording and reproducing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58193363U (en) |
-
1982
- 1982-06-17 JP JP9129682U patent/JPS58193363U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6323812Y2 (en) | 1988-06-30 |
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