JPS6152326U - - Google Patents
Info
- Publication number
- JPS6152326U JPS6152326U JP13453984U JP13453984U JPS6152326U JP S6152326 U JPS6152326 U JP S6152326U JP 13453984 U JP13453984 U JP 13453984U JP 13453984 U JP13453984 U JP 13453984U JP S6152326 U JPS6152326 U JP S6152326U
- Authority
- JP
- Japan
- Prior art keywords
- optical
- optical system
- case
- recording medium
- beam splitter
- 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 14
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Head (AREA)
Description
第1図は従来の光学式ピツクアツプの光学系を
示し、そのフオーカシング調整を説明する図、第
2図は従来における光学部品の組立作業工程及び
調整工程を説明する図、第3図は本考案の光学式
ピツクアツプにおけるフオーカシング調整を説明
する図、第4図は本考案実施例の光学部品の取付
位置を説明するための分解斜視図、第5図は本考
案実施例における光学部品の組立作業及び調整工
程を説明する図である。
1……レーザー、3……偏光ビームスプリツタ
、6……対物レンズ、8……フオトダイオード、
9……記録媒体、10……集光手段、11……第
1のケース、13……第2のケース、A……第1
の光学系、B……第2の光学系。
Fig. 1 shows the optical system of a conventional optical pickup and explains its focusing adjustment, Fig. 2 shows the conventional assembly and adjustment process of optical components, and Fig. 3 shows the optical system of the present invention. A diagram illustrating focusing adjustment in an optical pickup; FIG. 4 is an exploded perspective view illustrating the mounting position of optical components in an embodiment of the present invention; and FIG. 5 is an assembly work and adjustment of optical components in an embodiment of the present invention. It is a figure explaining a process. 1...Laser, 3...Polarizing beam splitter, 6...Objective lens, 8...Photodiode,
9...Recording medium, 10...Condensing means, 11...First case, 13...Second case, A...First
optical system, B... second optical system.
Claims (1)
体に導く第1の光学系と、記録媒体からの反射光
をビームスプリツタにより第1の光学系から分岐
し、集光手段を介してフオトダイオードへ導く第
2の光学系とからなる光学式ピツクアツプにおい
て、少なくともレーザーを固定した第1のケース
に対し、ビームスプリツタ、集光手段、フオトダ
イオードを固定した第2のケースを第1の光学系
の光軸方向に位置調整可能に装着したことを特徴
とする光学式ピツクアツプ。 A first optical system that guides light from a laser to a recording medium through an objective lens, and a beam splitter that splits reflected light from the recording medium from the first optical system and directs it to a photodiode via a condenser. In an optical pickup, the first case has at least a laser fixed thereto, and the second case has a beam splitter, a focusing means, and a photodiode fixed thereon. An optical pick-up characterized by being mounted so that its position can be adjusted in the direction of the optical axis.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13453984U JPS6152326U (en) | 1984-09-06 | 1984-09-06 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13453984U JPS6152326U (en) | 1984-09-06 | 1984-09-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6152326U true JPS6152326U (en) | 1986-04-08 |
Family
ID=30693048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13453984U Pending JPS6152326U (en) | 1984-09-06 | 1984-09-06 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6152326U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6043229A (en) * | 1983-08-17 | 1985-03-07 | Sankyo Seiki Mfg Co Ltd | Pickup of optical reproducing device for recording information |
-
1984
- 1984-09-06 JP JP13453984U patent/JPS6152326U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6043229A (en) * | 1983-08-17 | 1985-03-07 | Sankyo Seiki Mfg Co Ltd | Pickup of optical reproducing device for recording information |