JPS58135039U - optical disc device - Google Patents
optical disc deviceInfo
- Publication number
- JPS58135039U JPS58135039U JP3102482U JP3102482U JPS58135039U JP S58135039 U JPS58135039 U JP S58135039U JP 3102482 U JP3102482 U JP 3102482U JP 3102482 U JP3102482 U JP 3102482U JP S58135039 U JPS58135039 U JP S58135039U
- Authority
- JP
- Japan
- Prior art keywords
- disk
- laser beam
- shutter
- arm
- feeding
- 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
- Optical Head (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図は本考案の実施例に係わるディスク装置の一部を
示す正面図、第2図は第1図の■−■線に相当する部分
の一部を示す拡大平面図、第3図は第2図の■−■線の
一部を示す断面図、第4図はシャッタが閉じた状態を示
す平面図、第5図は第4図の■−■線の一部を示す断面
図である。
尚図面に用いられている符号に於いて、1はディスク、
2はディスクモータ、5はレーザビーム、6はレーザ光
源、8は光学基板、9は送5り駆動装置、11はシャッ
タ、13はピン、14は第1の位置制限ブロック、15
は第2の位置制限ブロック、17はビーム通過穴、19
はアームである。FIG. 1 is a front view showing a part of a disk device according to an embodiment of the present invention, FIG. 2 is an enlarged plan view showing a part of the portion corresponding to the line ■-■ in FIG. 1, and FIG. A sectional view showing a part of the line ■-■ in Fig. 2, Fig. 4 a plan view showing a state in which the shutter is closed, and Fig. 5 a sectional view showing a part of the line -■ in Fig. 4. be. In addition, in the symbols used in the drawings, 1 is a disk,
2 is a disk motor, 5 is a laser beam, 6 is a laser light source, 8 is an optical board, 9 is a feed drive device, 11 is a shutter, 13 is a pin, 14 is a first position limit block, 15
is the second position restriction block, 17 is the beam passage hole, 19
is the arm.
Claims (2)
スクに記録又は再生用のレーザビームを投射するレーザ
光源と、 前記ディスクに於ける前記レーザビームの投射位置を前
記ディスクの半径方向に送るために前記ディスクと前記
レーザビームとの間に相対的送り運動を生じさせる送り
装置と、 前記レーザビームの通路を選択的に遮断するための開閉
部材と、 前記レーザビームの投射位置が前記ディスクの外周端近
傍又は前記ディスクから外れた位置となるように前記送
り装置が移動したことに連動して前記開閉部材をレーザ
ビーム遮断位置に移動させる作動機構と、 を具備していることを特徴とする光学式ディスク装置。(1) A disk for recording or reproduction, a disk rotation device for rotating the disk, a laser light source for projecting a laser beam for recording or reproduction onto the disk, and a projection position of the laser beam on the disk. a feeding device that generates a relative feeding motion between the disk and the laser beam in order to feed the laser beam in the radial direction of the disk; an opening/closing member that selectively blocks a path of the laser beam; an actuation mechanism that moves the opening/closing member to a laser beam blocking position in conjunction with movement of the feeding device so that the projection position is near the outer peripheral edge of the disk or a position away from the disk; An optical disc device characterized by:
板と、この光学基板を前記ディスクの半径方向に送る送
り駆動装置であり、 前記開閉部材は前記基板上に移動自在に配された板状シ
ャッタであり、 前記作動機構は前記ディスクの外周端近傍又は前記ディ
スクから外れた前記レーザビームの投射位置に対応させ
てディスク装置本体の固定部分に配設した位置制限ブロ
ックと、前記光学基板に回動自在に支持された(の字形
アームとかう成り、前記アームの一端が前記シャッタに
係合しており、且つ前記アームの他端が前記シャッタを
閉じる時に前記ブロックに係合して前記アームが前記シ
ャッタを閉じる方向に回動するように構成されているも
のである実用新案登録請求の範囲第1項記載のディスク
装置。(2) The feeding device includes an optical substrate that supports the laser light source, and a feeding drive device that feeds the optical substrate in the radial direction of the disk, and the opening/closing member is a plate-shaped member movably disposed on the substrate. The operating mechanism is a shutter, and the actuation mechanism includes a position limiting block disposed on a fixed part of the disk device main body so as to correspond to the projection position of the laser beam near the outer peripheral edge of the disk or off the disk, and a position limit block rotated on the optical board. The arm is movably supported, and one end of the arm engages with the shutter, and the other end of the arm engages with the block when closing the shutter, causing the arm to close. The disc device according to claim 1, which is configured to rotate the shutter in a closing direction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3102482U JPS58135039U (en) | 1982-03-05 | 1982-03-05 | optical disc device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3102482U JPS58135039U (en) | 1982-03-05 | 1982-03-05 | optical disc device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS58135039U true JPS58135039U (en) | 1983-09-10 |
Family
ID=30042716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3102482U Pending JPS58135039U (en) | 1982-03-05 | 1982-03-05 | optical disc device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58135039U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5515619B2 (en) * | 1976-02-02 | 1980-04-24 |
-
1982
- 1982-03-05 JP JP3102482U patent/JPS58135039U/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5515619B2 (en) * | 1976-02-02 | 1980-04-24 |
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