JPS6313418U - - Google Patents
Info
- Publication number
- JPS6313418U JPS6313418U JP10120186U JP10120186U JPS6313418U JP S6313418 U JPS6313418 U JP S6313418U JP 10120186 U JP10120186 U JP 10120186U JP 10120186 U JP10120186 U JP 10120186U JP S6313418 U JPS6313418 U JP S6313418U
- Authority
- JP
- Japan
- Prior art keywords
- half mirror
- light
- recording medium
- pickup device
- signal recording
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000000149 argon plasma sintering Methods 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Mounting And Adjusting Of Optical Elements (AREA)
- Optical Head (AREA)
Description
第１図は本考案の一実施例を示す断面図、第２
図は本考案の説明に供する為の部分断面図、第３
図は閉塞板を示す平面図、第４図はハーフミラー
を用いた光ピツクアツプ装置の光学系を示す模型
図である。
主な図番の説明、１０…レーザーダイオード、
１２…ハーフミラー、１８…基台、２４…取付孔
、２５…閉塞板、２６…乱反射面。
Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is a partial sectional view for explaining the present invention.
This figure is a plan view showing a closing plate, and FIG. 4 is a model diagram showing an optical system of an optical pickup device using a half mirror. Explanation of main figure numbers, 10... Laser diode,
12...Half mirror, 18...Base, 24...Mounting hole, 25...Closing plate, 26 ...Diffuse reflection surface.
Claims (1)
ていると共に信号記録媒体に光ビームを照射する
ことにより該信号記録媒体に記録された信号を光
学的に読み出す光ピツクアツプ装置であつて、前
記光学部品の１つであり、光路を分割する為のハ
ーフミラーもしくはハーフプリズムと、前記信号
記録媒体に照射される光ビームが該ハーフミラー
もしくはハーフプリズムの反射方向から投射され
るべく配置された光源と、基台の前記ハーフミラ
ーもしくはハーフプリズムを介した前記光源の対
向面に形成され、該ハーフミラーもしくはハーフ
プリズムの取付けを行う為の取付孔と、該取付孔
を閉塞すると共に前記光源の対向面が光乱反射面
及びもしくは光吸収面と成された閉塞板とが設け
られた光ピツクアツプ装置。 The optical pickup device is configured by incorporating various optical components into a base, and optically reads signals recorded on the signal recording medium by irradiating the signal recording medium with a light beam, the optical pickup device comprising: A half mirror or a half prism, which is one of the parts, for dividing the optical path, and a light source arranged so that the light beam irradiated to the signal recording medium is projected from the direction of reflection of the half mirror or half prism. , a mounting hole formed on a surface of the base facing the light source via the half mirror or half prism, for mounting the half mirror or half prism, and a surface that closes the mounting hole and faces the light source; An optical pickup device is provided with a blocking plate having a light-scattering reflective surface and/or a light-absorbing surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986101201U JPH0810851Y2 (en) | 1986-07-01 | 1986-07-01 | Optical pickup device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986101201U JPH0810851Y2 (en) | 1986-07-01 | 1986-07-01 | Optical pickup device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6313418U true JPS6313418U (en) | 1988-01-28 |
| JPH0810851Y2 JPH0810851Y2 (en) | 1996-03-29 |
Family
ID=30971731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986101201U Expired - Lifetime JPH0810851Y2 (en) | 1986-07-01 | 1986-07-01 | Optical pickup device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0810851Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005301252A (en) * | 2004-04-09 | 2005-10-27 | Toshiba Corp | Optical multibeam scanning apparatus and image forming apparatus |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5657013A (en) * | 1979-09-28 | 1981-05-19 | Philips Nv | Focus error detector |
| JPS59171039A (en) * | 1983-03-18 | 1984-09-27 | Matsushita Electric Ind Co Ltd | Optical recording and reproducing device |
-
1986
- 1986-07-01 JP JP1986101201U patent/JPH0810851Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5657013A (en) * | 1979-09-28 | 1981-05-19 | Philips Nv | Focus error detector |
| JPS59171039A (en) * | 1983-03-18 | 1984-09-27 | Matsushita Electric Ind Co Ltd | Optical recording and reproducing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005301252A (en) * | 2004-04-09 | 2005-10-27 | Toshiba Corp | Optical multibeam scanning apparatus and image forming apparatus |
| JP4632821B2 (en) * | 2004-04-09 | 2011-02-16 | 株式会社東芝 | Multi-beam optical scanning device and image forming apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0810851Y2 (en) | 1996-03-29 |
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