JPH0314718U - - Google Patents
Info
- Publication number
- JPH0314718U JPH0314718U JP7497289U JP7497289U JPH0314718U JP H0314718 U JPH0314718 U JP H0314718U JP 7497289 U JP7497289 U JP 7497289U JP 7497289 U JP7497289 U JP 7497289U JP H0314718 U JPH0314718 U JP H0314718U
- Authority
- JP
- Japan
- Prior art keywords
- optical
- light emitting
- emitting element
- optical disc
- 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 14
- 238000001514 detection method Methods 0.000 description 2
Landscapes
- Moving Of Head For Track Selection And Changing (AREA)
- Optical Recording Or Reproduction (AREA)
Description
第１図はこの考案に係る光学式デイスク検出装
置の実施例を示す要部断面図である。第２図は従
来例の光学式デイスク検出装置に関する要部断面
図である。
主な符号の説明、１……ターンテーブル、２…
…光学式デイスク、２ａ……直径１２cmの光学式
デイスク、２ｂ……直径２０cmの光学式デイスク
、２ｃ……直径３０cmの光学式デイスク、３……
デイスククランパ、４……光学式ピツクアツプ、
５……レーザビーム、６……センサ、７……発光
素子、８……発光素子取り付けシヤーシ、９……
ピツクアツプ摺動ガイド用ロツド、Ｒ……直径２
０乃至３０cmデイスクのリードイン領域（５．３
５〜５．５０cm）。
FIG. 1 is a sectional view of a main part showing an embodiment of an optical disc detection device according to this invention. FIG. 2 is a sectional view of a main part of a conventional optical disk detection device. Explanation of main symbols, 1...Turntable, 2...
...Optical disk, 2a... Optical disk with a diameter of 12 cm, 2b... Optical disk with a diameter of 20 cm, 2c... Optical disk with a diameter of 30 cm, 3...
Disc clamper, 4...optical pick-up,
5... Laser beam, 6... Sensor, 7... Light emitting element, 8... Light emitting element mounting chassis, 9...
Pick-up sliding guide rod, R...diameter 2
Lead-in area for 0 to 30cm discs (5.3
5-5.50cm).
Claims (1)
に搭載した光センサと、光デイスクの他方の側に
設けた発光素子とからなり、前記光ピツクアツプ
のレーザビームがリードイン位置にあるときには
前記センサと発光素子とが光デイスクを挾んで相
対するように構成したことを特徴とする光学式デ
イスク検出装置。[Claims for Utility Model Registration] An optical disc player comprising an optical sensor mounted on an optical pick-up provided on one side of an optical disc, and a light emitting element provided on the other side of the optical disc, 1. An optical disk detecting device characterized in that the sensor and the light emitting element are configured to sandwich the optical disk and face each other when the laser beam is at a lead-in position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7497289U JPH0314718U (en) | 1989-06-28 | 1989-06-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7497289U JPH0314718U (en) | 1989-06-28 | 1989-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0314718U true JPH0314718U (en) | 1991-02-14 |
Family
ID=31615140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7497289U Pending JPH0314718U (en) | 1989-06-28 | 1989-06-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0314718U (en) |
-
1989
- 1989-06-28 JP JP7497289U patent/JPH0314718U/ja active Pending
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