JPH0289663U - - Google Patents
Info
- Publication number
- JPH0289663U JPH0289663U JP16826788U JP16826788U JPH0289663U JP H0289663 U JPH0289663 U JP H0289663U JP 16826788 U JP16826788 U JP 16826788U JP 16826788 U JP16826788 U JP 16826788U JP H0289663 U JPH0289663 U JP H0289663U
- Authority
- JP
- Japan
- Prior art keywords
- sensor
- disk
- detecting
- optical
- optical disc
- 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 6
- 238000001514 detection method Methods 0.000 claims description 3
Description
第１図乃至第４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し、第１図Ａはデイス
クをトレイに装着した時のセンサとの位置関係を
示した平面図、第１図Ｂは側面図、第１図Ｃはデ
イスクとセンサとの拡大図、第２図Ａはデイスク
ローデイングしてＳ点からＥ点までデイスクが移
動した時の平面図、第２図Ｂはデイスクローデイ
ング終了時（Ｆ点まで移動）の平面図である。第
３図及び第４図は回転トレイを用いた他の実施例
を示し、第３図はデイスクを搭載した回転トレイ
とセンサとの位置関係を示した平面図、第４図Ａ
は回転途中を示した平面図、第４図Ｂは回転終了
時の平面図である。
主な符号の説明、１：フオトデイテクタ、２：
デイスク、３：フオトデイテクタの発光素子、４
：フオトデイテクタの受光素子、１０：回転式ト
レイ、１１：回転式トレイの回転支点、Ｍ：デイ
スクのローデイング進行方向、Ｎ：フオトデイテ
クタの移動方向、Ｒ：回転式トレイの回転方向、
Ｐ，Ｑ，Ｔ，Ｕ：フオトデイテクタの移動軌跡。
1 to 4 show an embodiment of the optical disk detection device according to this invention, and FIG. 1A is a plan view showing the positional relationship with the sensor when the disk is mounted on the tray, and FIG. B is a side view, Fig. 1C is an enlarged view of the disk and sensor, Fig. 2A is a plan view when the disk moves from point S to point E after disk loading, and Fig. 2B is the disk crawler. FIG. 6 is a plan view at the end of dewing (movement to point F). 3 and 4 show other embodiments using a rotating tray, FIG. 3 is a plan view showing the positional relationship between the rotating tray on which the disk is mounted and the sensor, and FIG. 4 A
4B is a plan view showing the rotation during the rotation, and FIG. 4B is a plan view at the end of the rotation. Explanation of main symbols, 1: Photo detector, 2:
Disk, 3: Light emitting element of photodetector, 4
: Light receiving element of photodetector, 10: Rotating tray, 11: Rotating fulcrum of rotating tray, M: Disc loading direction, N: Moving direction of photodetector, R: Rotating direction of rotating tray.
P, Q, T, U: Movement locus of photodetector.
Claims (1)
グ装置において、 光学式デイスクプレーヤに取り付けられたセン
サと、この光学式デイスクプレーヤのデイスクロ
ーデイング機構に合わせて、上記センサを移動さ
せるセンサ移動手段と、このセンサでデイスク面
の状態を検出する検出手段とを備えたことを特徴
とする光学式デイスク検出装置。 ２ 上記センサにフオトデイテクタを用いて、デ
イスクからの反射光の信号レベルを検出する検出
手段を備えたことを特徴とする請求項１記載の光
学式デイスク検出装置。[Claims for Utility Model Registration] 1. In a disc loading device for optical disc playback, a sensor attached to an optical disc player and a sensor moved in accordance with the disc loading mechanism of the optical disc player. What is claimed is: 1. An optical disk detecting device comprising: a sensor moving means for moving the sensor; and a detecting means for detecting the state of the disk surface using the sensor. 2. The optical disk detection device according to claim 1, further comprising a detection means for detecting a signal level of light reflected from the disk by using a photodetector as the sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16826788U JPH0289663U (en) | 1988-12-28 | 1988-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16826788U JPH0289663U (en) | 1988-12-28 | 1988-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0289663U true JPH0289663U (en) | 1990-07-16 |
Family
ID=31457297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16826788U Pending JPH0289663U (en) | 1988-12-28 | 1988-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0289663U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2006030729A1 (en) * | 2004-09-13 | 2008-05-15 | 松下電器産業株式会社 | Disk unit |
-
1988
- 1988-12-28 JP JP16826788U patent/JPH0289663U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2006030729A1 (en) * | 2004-09-13 | 2008-05-15 | 松下電器産業株式会社 | Disk unit |
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