JPH0371466U - - Google Patents
Info
- Publication number
- JPH0371466U JPH0371466U JP1989131252U JP13125289U JPH0371466U JP H0371466 U JPH0371466 U JP H0371466U JP 1989131252 U JP1989131252 U JP 1989131252U JP 13125289 U JP13125289 U JP 13125289U JP H0371466 U JPH0371466 U JP H0371466U
- Authority
- JP
- Japan
- Prior art keywords
- disk
- plate
- optical disk
- window
- shutter
- 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 7
- 239000003302 ferromagnetic material Substances 0.000 claims 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案に係る光デイスクカートリツジ
の一実施例を示す斜視図、第２図は本考案の光デ
イスクカートリツジがデイスクドライブにセツト
されてプレートデイスクがスピンドルモータのタ
ーンテーブルに固定された状態を示す概略断面図
、第３図は光デイスクカートリツジがドライブに
セツトされていない場合におけるカートリツジ内
の状態を示す概略断面図、第４図は突起部が設け
られたスライド式シヤツターにより閉じられた状
態を示す概略断面図、第５図は第４図に示された
シヤツターが開く初期状態を示す概略断面図、第
６図は従来の光デイスクカートリツジのデイスク
ロツク機構を示す要部斜視図である。
１……ピツクアツプ用のウインドー部、２……
デイスク状記録媒体（デイスク）、３……プレー
トデイスク、４……プレートデイスク用のウイン
ドー部、５……スピンドルモーターのターンテー
ブル、６……スライド式シヤツター、７……カー
トリツジケース、８……穴部、９……突起部、１
０……圧縮コイルバネ、１１……デイスクロツク
ブロツク。
FIG. 1 is a perspective view showing an embodiment of the optical disk cartridge according to the present invention, and FIG. 2 shows the optical disk cartridge according to the present invention set in a disk drive and a plate disk fixed to a turntable of a spindle motor. Figure 3 is a schematic cross-sectional view showing the state inside the optical disk cartridge when it is not set in the drive, and Figure 4 is a schematic cross-sectional view showing the state inside the optical disk cartridge when it is not set in the drive. FIG. 5 is a schematic sectional view showing the initial state in which the shutter shown in FIG. 4 is opened; FIG. It is a diagram. 1...Window section for pick-up, 2...
Disk-shaped recording medium (disk), 3... plate disk, 4... window section for plate disk, 5... spindle motor turntable, 6... sliding shutter, 7... cartridge case, 8... Hole, 9...Protrusion, 1
0... Compression coil spring, 11... Disc clock block.
Claims (1)
に収納した光デイスクカートリツジにおいて、カ
ートリツジ本体の平面部に、ピツクアツプ用のウ
インドー部とデイスク状記録媒体の中心に取り付
けられたプレートデイスク用のウインドー部とを
有し、かつ、前記ウインドー部を開閉するスライ
ド式シヤツターを有してなり、前記プレートデイ
スクは磁石で形成され、前記スライドシヤツター
は少なくともシヤツター閉時にプレートデイスク
の上下の双方あるいは一方に位置する部分が強磁
性体で形成されてなることを特徴とする光デイス
クカートリツジ。 (2) 請求項１において、スライド式シヤツター
がプレートデイスクの穴部に係止する突起部を有
してなる光デイスクカートリツジ。[Scope of Claim for Utility Model Registration] (1) In an optical disk cartridge in which a disk-shaped recording medium is rotatably housed, a pick-up window and a pick-up window in the center of the disk-shaped recording medium are provided on the flat surface of the cartridge body. and a sliding shutter for opening and closing the window portion, the plate disk being formed of a magnet, and the sliding shutter being configured to at least close the plate when the shutter is closed. An optical disk cartridge characterized in that the upper and lower portions of the disk, or both or one of the upper and lower portions thereof, are formed of a ferromagnetic material. (2) The optical disk cartridge according to claim 1, wherein the sliding shutter has a protrusion that engages with a hole in the plate disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989131252U JPH0371466U (en) | 1989-11-10 | 1989-11-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989131252U JPH0371466U (en) | 1989-11-10 | 1989-11-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0371466U true JPH0371466U (en) | 1991-07-19 |
Family
ID=31678771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989131252U Pending JPH0371466U (en) | 1989-11-10 | 1989-11-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0371466U (en) |
-
1989
- 1989-11-10 JP JP1989131252U patent/JPH0371466U/ja active Pending
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