JPS648227U - - Google Patents
Info
- Publication number
- JPS648227U JPS648227U JP10245687U JP10245687U JPS648227U JP S648227 U JPS648227 U JP S648227U JP 10245687 U JP10245687 U JP 10245687U JP 10245687 U JP10245687 U JP 10245687U JP S648227 U JPS648227 U JP S648227U
- Authority
- JP
- Japan
- Prior art keywords
- optical means
- optical
- laser beam
- reflected light
- mirror body
- 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 18
- 239000004065 semiconductor Substances 0.000 description 1
Description
第１図および第２図は本考案の一実施例を示す
ものであつて、第１図は光ピツクアツプ装置を示
す平面図、第２図は光ピツクアツプ装置の要部を
示す平面図、第３図は従来の光ピツクアツプ装置
を示す平面図である。
１３は光デイスク、１７は第１光学手段、１８
は対物レンズ、１９は半導体レーザー、２０は鏡
面体、２１は第２光学手段、２３はビームスプリ
ツター、２７は駆動手段である。
1 and 2 show one embodiment of the present invention, in which FIG. 1 is a plan view showing an optical pickup device, FIG. 2 is a plan view showing main parts of the optical pickup device, and FIG. The figure is a plan view showing a conventional optical pickup device. 13 is an optical disk, 17 is a first optical means, 18
19 is an objective lens, 19 is a semiconductor laser, 20 is a specular body, 21 is a second optical means, 23 is a beam splitter, and 27 is a driving means.
Claims (1)
２つの光デイスク同士の間に設けられ、レーザー
光を上記情報面上に集光させるとともに、上記情
報面にて反射した反射光を第２光学手段に導く第
１光学手段と、この第１光学手段に上記レーザー
光を供給するとともに、上記第１光学手段にて導
かれた上記反射光を導入して光検出器に導く第２
光学手段とを備えた光ピツクアツプ装置であつて
、上記第１光学手段に上記レーザー光を１方向ず
つ２方向に反射し得る鏡面体を設け、且つ、上記
鏡面体と上記第２光学手段との相対位置を変位さ
せて上記鏡面体にて反射される反射光の方向を上
記２つの光デイスクのうち何れか一方の側に切り
換える駆動手段を設けたことを特徴とする光ピツ
クアツプ装置。 A second optical means is provided between two optical disks that are arranged to face each other so that their information surfaces face each other, and converges a laser beam onto the information surface and collects the reflected light from the information surface. a first optical means that supplies the laser beam to the first optical means, and a second optical means that introduces the reflected light guided by the first optical means and guides it to the photodetector.
an optical pickup device comprising an optical means, wherein the first optical means is provided with a mirror body capable of reflecting the laser beam in two directions, one direction at a time, and the mirror body and the second optical means are connected to each other; An optical pickup device characterized in that it is provided with a driving means for changing the relative position and switching the direction of the reflected light reflected by the mirror body to one of the two optical disks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10245687U JPS648227U (en) | 1987-07-03 | 1987-07-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10245687U JPS648227U (en) | 1987-07-03 | 1987-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS648227U true JPS648227U (en) | 1989-01-18 |
Family
ID=31332382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10245687U Pending JPS648227U (en) | 1987-07-03 | 1987-07-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS648227U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02153512A (en) * | 1988-12-05 | 1990-06-13 | Matsushita Electric Ind Co Ltd | Laminated capacitor element |
-
1987
- 1987-07-03 JP JP10245687U patent/JPS648227U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02153512A (en) * | 1988-12-05 | 1990-06-13 | Matsushita Electric Ind Co Ltd | Laminated capacitor element |