JPS5974562U - disk rotation device - Google Patents
disk rotation deviceInfo
- Publication number
- JPS5974562U JPS5974562U JP16891982U JP16891982U JPS5974562U JP S5974562 U JPS5974562 U JP S5974562U JP 16891982 U JP16891982 U JP 16891982U JP 16891982 U JP16891982 U JP 16891982U JP S5974562 U JPS5974562 U JP S5974562U
- Authority
- JP
- Japan
- Prior art keywords
- turntable
- disk
- rotating device
- disk rotating
- 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.)
- Pending
Links
Landscapes
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の回転速度検出装置の一例を示す側面図、
第２図は本考案の一実施例を示す側面図 □である。
図において、７はディスク、８は光学反射面、９はター
ンテーブル、１０は透光、１１は光学素子、１４はモー
タを示す。FIG. 1 is a side view showing an example of a conventional rotational speed detection device.
FIG. 2 is a side view □ showing an embodiment of the present invention. In the figure, 7 is a disk, 8 is an optical reflective surface, 9 is a turntable, 10 is a transparent element, 11 is an optical element, and 14 is a motor.
Claims (3)
上に保持して回転させるディスク回転装置において、上
記ターンテーブルの上記ディスクを載置する部分に透孔
を穿設し、かつ投光器と受光器からなる光学素子を上記
透孔を通って上記光学的反射面に至る光路を形成する位
置に配設したことを特徴とするディスク回転装置。(1) In a disk rotating device that holds and rotates a disk having an optically reflective surface on a turntable, a through hole is provided in the portion of the turntable on which the disk is placed, and a transparent hole is provided between the emitter and the receiver. What is claimed is: 1. A disk rotating device characterized in that an optical element is disposed at a position that forms an optical path passing through the through hole and reaching the optical reflecting surface.
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
ク回転装置。(2) The disk rotating device according to claim 1, which is a utility model registration, characterized in that it is formed of a turntable and an optical member.
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
・イスク回転装置。(3) The disk rotating device according to claim 1, wherein a plurality of through holes are formed in the turntable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16891982U JPS5974562U (en) | 1982-11-06 | 1982-11-06 | disk rotation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16891982U JPS5974562U (en) | 1982-11-06 | 1982-11-06 | disk rotation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5974562U true JPS5974562U (en) | 1984-05-21 |
Family
ID=30369157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16891982U Pending JPS5974562U (en) | 1982-11-06 | 1982-11-06 | disk rotation device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5974562U (en) |
-
1982
- 1982-11-06 JP JP16891982U patent/JPS5974562U/en active Pending
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