JPS6298020U - - Google Patents
Info
- Publication number
- JPS6298020U JPS6298020U JP18898585U JP18898585U JPS6298020U JP S6298020 U JPS6298020 U JP S6298020U JP 18898585 U JP18898585 U JP 18898585U JP 18898585 U JP18898585 U JP 18898585U JP S6298020 U JPS6298020 U JP S6298020U
- Authority
- JP
- Japan
- Prior art keywords
- mirror
- optical head
- attached
- projection system
- housing
- 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 6
- 239000004065 semiconductor Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
Description
第１図は本発明の実施例の説明図、第２図は本
考案の基礎となる従来例の光学ヘツドの構成図で
、イは正面図、ロは平面図である。第３図は従来
のミラーと投光系ハウジングの関係図、第４図は
従来の光学ヘツドの構成図、第５図は全高を低く
するために改良を施した従来の光学ヘツドの構成
図で、イは正面図、ロは平面図である。
１……半導体レーザ、２……コリメータレンズ
、３……ハーフミラー、４……対物レンズ、５…
…デイスク、６……集光レンズ、７……円筒レン
ズ、８……受光素子、９……ミラー、１０……回
折格子、１１……投光系ハウジング、１２……ベ
ースハウジング、１３……アクチユエータ。
FIG. 1 is an explanatory diagram of an embodiment of the present invention, and FIG. 2 is a configuration diagram of a conventional optical head that is the basis of the present invention, with A being a front view and B being a plan view. Figure 3 is a diagram showing the relationship between a conventional mirror and a light projection system housing, Figure 4 is a configuration diagram of a conventional optical head, and Figure 5 is a configuration diagram of a conventional optical head that has been improved to reduce the overall height. , A is a front view, and B is a plan view. 1... Semiconductor laser, 2... Collimator lens, 3... Half mirror, 4... Objective lens, 5...
... Disk, 6 ... Condensing lens, 7 ... Cylindrical lens, 8 ... Light receiving element, 9 ... Mirror, 10 ... Diffraction grating, 11 ... Light projection system housing, 12 ... Base housing, 13 ... Actuator.
Claims (1)
前の光束をミラーを用いて光軸を曲げる構造の光
学ヘツドにおいて、半導体レーザから前記ミラー
に達するまでの光投射系の部品を取付けたハウジ
ングに前記ミラーを一体固定したことを特徴とす
る光学ヘツド。 In an optical head that uses a mirror to bend the optical axis of the light beam just before it enters the objective lens in order to reduce the overall height, the mirror is attached to a housing to which components of the light projection system from the semiconductor laser to the mirror are attached. An optical head characterized by integrally fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18898585U JPS6298020U (en) | 1985-12-06 | 1985-12-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18898585U JPS6298020U (en) | 1985-12-06 | 1985-12-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6298020U true JPS6298020U (en) | 1987-06-22 |
Family
ID=31140859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18898585U Pending JPS6298020U (en) | 1985-12-06 | 1985-12-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6298020U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6028031A (en) * | 1983-07-22 | 1985-02-13 | Sharp Corp | Optical information reader |
-
1985
- 1985-12-06 JP JP18898585U patent/JPS6298020U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6028031A (en) * | 1983-07-22 | 1985-02-13 | Sharp Corp | Optical information reader |