JPS6391825U - - Google Patents
Info
- Publication number
- JPS6391825U JPS6391825U JP18603586U JP18603586U JPS6391825U JP S6391825 U JPS6391825 U JP S6391825U JP 18603586 U JP18603586 U JP 18603586U JP 18603586 U JP18603586 U JP 18603586U JP S6391825 U JPS6391825 U JP S6391825U
- Authority
- JP
- Japan
- Prior art keywords
- focusing means
- pickup device
- optical pickup
- light beams
- aspherical mirror
- 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 5
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 1
Description
第１図は本考案による光ピツクアツプ装置の第
１実施例の構成を示す配置図、第２図は非球面ミ
ラーの説明に供する略線図、第３図及び第４図は
その実施例の効果の説明に供する略線図、第５図
は本考案の第２実施例を示す配置図、第６図は非
球面ミラー１２の移動に伴い光軸が移動すること
の説明に供する配置図、第７図は平行平面板２０
の特性の説明に供する略線図、第８図は光軸ずれ
の補正構成を示す配置図、第９図は従来装置を示
す配置図である。
１…レーザ光源、２…コリメータレンズ、７…
円盤状記録媒体、８，１７…集光レンズ、９…ナ
イフエツジプリズム、１０，１１…２分割受光素
子、１２，１６…非球面ミラー、２０…平行平面
板。
Fig. 1 is a layout diagram showing the configuration of a first embodiment of the optical pickup device according to the present invention, Fig. 2 is a schematic diagram for explaining an aspherical mirror, and Figs. 3 and 4 are effects of the embodiment. 5 is a layout diagram showing the second embodiment of the present invention. FIG. 6 is a layout diagram explaining that the optical axis moves as the aspherical mirror 12 moves. Figure 7 shows a parallel plane plate 20.
FIG. 8 is a layout diagram showing a configuration for correcting optical axis deviation, and FIG. 9 is a layout diagram showing a conventional device. 1... Laser light source, 2... Collimator lens, 7...
Disc-shaped recording medium, 8, 17... Condensing lens, 9... Knife edge prism, 10, 11... Two-split light receiving element, 12, 16... Aspherical mirror, 20... Parallel plane plate.
Claims (1)
後、偏向手段及び集束手段によつて偏向集束させ
て記録媒体上にレーザスポツトを形成させる光ピ
ツクアツプ装置において、 上記偏向手段及び上記集束手段として単一の非
球面ミラーを併用するようにしたことを特徴とす
る光ピツクアツプ装置。[Scope of Claim for Utility Model Registration] An optical pickup device that converts a light beam emitted from a light source into parallel light beams, and then deflects and focuses the light beams using a deflection means and a focusing means to form a laser spot on a recording medium. An optical pickup device characterized in that a single aspherical mirror is used as the focusing means and the focusing means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18603586U JPS6391825U (en) | 1986-12-02 | 1986-12-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18603586U JPS6391825U (en) | 1986-12-02 | 1986-12-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6391825U true JPS6391825U (en) | 1988-06-14 |
Family
ID=31135225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18603586U Pending JPS6391825U (en) | 1986-12-02 | 1986-12-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6391825U (en) |
-
1986
- 1986-12-02 JP JP18603586U patent/JPS6391825U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6391825U (en) | ||
| JPS63176930U (en) | ||
| JPS63118714U (en) | ||
| JPS6148428U (en) | ||
| JPH01138211U (en) | ||
| JPS61105919U (en) | ||
| JPH0380524U (en) | ||
| JPH0481225U (en) | ||
| JPS6283225U (en) | ||
| JPH02128222U (en) | ||
| JPS6311727U (en) | ||
| JPS61187027U (en) | ||
| JPH03106529U (en) | ||
| JPS6152326U (en) | ||
| JPH0178319U (en) | ||
| JPH0349629U (en) | ||
| JPS6218827U (en) | ||
| JPS6298021U (en) | ||
| JPH0197415U (en) | ||
| JPS6336917U (en) | ||
| JPS6452123U (en) | ||
| JPH0246914U (en) | ||
| JPS58193334U (en) | light pick up | |
| JPH0197416U (en) | ||
| JPS62259240A (en) | Optical device for shaping semiconductor laser beam |