JPS6257966U - - Google Patents
Info
- Publication number
- JPS6257966U JPS6257966U JP14911185U JP14911185U JPS6257966U JP S6257966 U JPS6257966 U JP S6257966U JP 14911185 U JP14911185 U JP 14911185U JP 14911185 U JP14911185 U JP 14911185U JP S6257966 U JPS6257966 U JP S6257966U
- Authority
- JP
- Japan
- Prior art keywords
- light
- reflector
- moves
- optical path
- block
- 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 2
- 230000000903 blocking effect Effects 0.000 description 1
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
Description
第１図は本考案の一実施例の構成を示す要部の
概略図、第２図〜第４図は第１図に示す一実施例
の作用を説明するための図、第５図は従来例を示
す図である。
１……発光素子、２，３……受光素子、４……
反射板、５……遮断板。
Fig. 1 is a schematic diagram of the main parts showing the configuration of an embodiment of the present invention, Figs. 2 to 4 are diagrams for explaining the operation of the embodiment shown in Fig. 1, and Fig. 5 is a conventional It is a figure which shows an example. 1... Light emitting element, 2, 3... Light receiving element, 4...
Reflector plate, 5...blocking plate.
Claims (1)
録再生装置において、１個の発光素子と、ライト
プロテクト状態時に前記発光素子の光路をさえぎ
るように移動する反射板と、デイスクが入つてい
る状態時に前記発光素子の光路をさえぎるように
移動する遮断板と、ライトプロテクト状態を検出
するために前記反射板の反射位置に配設された第
１の受光素子と、デイスクインを検出するために
前記遮断板の透過位置に配設された第２の受光素
子とを具備してなることを特徴とするライトプロ
テクト兼デイスクインセンサ。 A magnetic recording and reproducing device that records and reproduces information on a magnetic disk includes one light emitting element, a reflector that moves to block the optical path of the light emitting element when in a write protect state, and a reflector that moves to block the optical path of the light emitting element when a disk is inserted. a shielding plate that moves so as to block the optical path of the element; a first light-receiving element disposed at the reflection position of the reflector for detecting a write protect state; and a first light receiving element of the shielding plate for detecting disc-in. A light protection/disk-in sensor comprising: a second light-receiving element disposed at a transmitting position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14911185U JPS6257966U (en) | 1985-09-30 | 1985-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14911185U JPS6257966U (en) | 1985-09-30 | 1985-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6257966U true JPS6257966U (en) | 1987-04-10 |
Family
ID=31064010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14911185U Pending JPS6257966U (en) | 1985-09-30 | 1985-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6257966U (en) |
-
1985
- 1985-09-30 JP JP14911185U patent/JPS6257966U/ja active Pending
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