JPS5933131U - optical recording or reproducing device - Google Patents
optical recording or reproducing deviceInfo
- Publication number
- JPS5933131U JPS5933131U JP12933682U JP12933682U JPS5933131U JP S5933131 U JPS5933131 U JP S5933131U JP 12933682 U JP12933682 U JP 12933682U JP 12933682 U JP12933682 U JP 12933682U JP S5933131 U JPS5933131 U JP S5933131U
- Authority
- JP
- Japan
- Prior art keywords
- laser beam
- hermetically sealed
- optical recording
- reproducing device
- laser
- 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
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Lasers (AREA)
- 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) [Summary] 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レーザディスクプレー
ヤのブロック図、第２図は第１図のプレーヤのヘッドの
一部を示す斜視図、第３図は第２図のヘッドに於いて筐
体の蓋体を取り除いた状態 。
を示す平面図、第４図は第３図のＩＶ−ＩＶ線に相当す
る部分に於けるレーザ装置の拡大断面図である。
尚図面に用いられている符号に於いて、１はディスク、
２はレーザビーム、６はヘッド、７はレーザ装置、８は
光学装置、９は対物レンズ装置、１０は支持基体、１６
はレーザ管、１７．１８は冷却フィン、１９は密閉筐体
である。FIG. 1 is a block diagram of a laser disc player according to an embodiment of the present invention, FIG. 2 is a perspective view showing a part of the head of the player shown in FIG. 1, and FIG. Body with lid removed. FIG. 4 is an enlarged sectional view of the laser device taken along the line IV--IV in FIG. 3. In addition, in the symbols used in the drawings, 1 is a disk,
2 is a laser beam, 6 is a head, 7 is a laser device, 8 is an optical device, 9 is an objective lens device, 10 is a support base, 16
is a laser tube, 17 and 18 are cooling fins, and 19 is a sealed casing.
Claims (2)
管と、前記レーザビームを記録媒体に投射するための対
物レンズ装置と、前記レーザビームを前記レーザ管から
前記対物レンズ装置まで導び（ための光学装置と、前記
レーザ管、前記対物レンズ装置、及び前記光学装置を支
持する共通の支持基体と、前記記録媒体と前記レーザビ
ームとの間に相対的走査運動を生じさせる走査駆動装置
とを備えた光学的記録又は再生装置に於いて、 前記レーザビームる通過させるための開口は設けるが、
その他の部分は実質的に密閉するように形成した密閉筐
体によって前記レーザ管を密閉すると共に、前記密閉筐
体に冷却用フィン、 を設けたことを特徴とする光学的
記録又は再生装置。(1) A laser tube that emits a laser beam for recording or reproduction, an objective lens device that projects the laser beam onto a recording medium, and a laser tube that guides the laser beam from the laser tube to the objective lens device. an optical device; a common support base supporting the laser tube, the objective lens device, and the optical device; and a scanning drive device for producing a relative scanning movement between the recording medium and the laser beam. In the optical recording or reproducing device, an aperture for passing the laser beam is provided,
An optical recording or reproducing device characterized in that the laser tube is hermetically sealed by a hermetically sealed casing formed to be substantially hermetically sealed in other parts, and cooling fins are provided on the hermetically sealed casing.
って伸びるように形成されたものである実用新案登録請
求の範囲第１項記載の光学的記録又は再生装置。(2) The optical recording or reproducing device according to claim 1, wherein the cooling fins are formed to extend along the longitudinal direction of the sealed casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12933682U JPS5933131U (en) | 1982-08-26 | 1982-08-26 | optical recording or reproducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12933682U JPS5933131U (en) | 1982-08-26 | 1982-08-26 | optical recording or reproducing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5933131U true JPS5933131U (en) | 1984-03-01 |
Family
ID=30293087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12933682U Pending JPS5933131U (en) | 1982-08-26 | 1982-08-26 | optical recording or reproducing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5933131U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006061979A (en) * | 2004-08-30 | 2006-03-09 | Sunx Ltd | Laser machining apparatus |
| JP2017183505A (en) * | 2016-03-30 | 2017-10-05 | 株式会社ニデック | Solid-state laser device |
-
1982
- 1982-08-26 JP JP12933682U patent/JPS5933131U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006061979A (en) * | 2004-08-30 | 2006-03-09 | Sunx Ltd | Laser machining apparatus |
| JP2017183505A (en) * | 2016-03-30 | 2017-10-05 | 株式会社ニデック | Solid-state laser device |
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