JPH025114U - - Google Patents
Info
- Publication number
- JPH025114U JPH025114U JP8354088U JP8354088U JPH025114U JP H025114 U JPH025114 U JP H025114U JP 8354088 U JP8354088 U JP 8354088U JP 8354088 U JP8354088 U JP 8354088U JP H025114 U JPH025114 U JP H025114U
- Authority
- JP
- Japan
- Prior art keywords
- knife edge
- optical
- head
- hole
- optical component
- 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 7
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Recording Or Reproduction (AREA)
Description
第1図aは本考案の一実施例の平面図、第1図
bは同図aのB−B線における断面図、第1図c
は同図aのA−A線における断面図、第2図aは
従来のナイフエツジ調整機構の一例を示す平面図
、第2図bは同図aのC−C線における断面図で
ある。
1……光ヘツド筐体、1a……ヘツド上面に設
けた突起、1b……ヘツド上面に設けた貫通穴、
1c……部品取付け面に設けた傾斜部、2……ビ
ームスプリツタ、3,3′……ナイフエツジ、4
……アクチユエータ、5……ねじ、6……フオー
カス用レンズ、7……デイテクタ調整部。
Fig. 1a is a plan view of an embodiment of the present invention, Fig. 1b is a sectional view taken along line B-B in Fig. 1a, Fig. 1c
2A is a sectional view taken along the line A-A in FIG. 2A, FIG. 2A is a plan view showing an example of a conventional knife edge adjustment mechanism, and FIG. 1... Optical head housing, 1a... Protrusion provided on the top surface of the head, 1b... Through hole provided on the top surface of the head,
1c... Slanted part provided on the component mounting surface, 2... Beam splitter, 3, 3'... Knife edge, 4
... Actuator, 5 ... Screw, 6 ... Focus lens, 7 ... Detector adjustment section.
Claims (1)
て信号の再生または記録を行う光デイスク装置用
の光ヘツドのナイフエツジ調整機構において、光
学部品を取付けるヘツド筐体と、該ヘツド筐体の
前記光学部品を取付ける面から反対面にかけて穿
設された貫通穴と、L形板状をなし一端部が前記
光学部品の中心近傍まで覆うように前記貫通穴に
挿入されたナイフエツジ板と、前記貫通穴の近傍
に設けられ前記ナイフエツジ板を位置調整自在に
固定する取付部とを備えることを特徴とする光ヘ
ツドのナイフエツジ調整機構。 In a knife edge adjustment mechanism of an optical head for an optical disk device that uses a knife edge method to detect focus errors to reproduce or record signals, a head casing on which an optical component is mounted, and a surface of the head casing on which the optical component is mounted. a through hole drilled from one end to the opposite surface; a knife edge plate having an L-shaped plate shape and inserted into the through hole so that one end covers the vicinity of the center of the optical component; and a knife edge plate provided near the through hole. A knife edge adjustment mechanism for an optical head, comprising: a mounting portion for fixing the knife edge plate in a position adjustable manner.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8354088U JPH025114U (en) | 1988-06-23 | 1988-06-23 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8354088U JPH025114U (en) | 1988-06-23 | 1988-06-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH025114U true JPH025114U (en) | 1990-01-12 |
Family
ID=31308253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8354088U Pending JPH025114U (en) | 1988-06-23 | 1988-06-23 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH025114U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0649792U (en) * | 1992-12-07 | 1994-07-08 | フジ産業株式会社 | Oil-water automatic separator in screw air compressor |
JPH0658189U (en) * | 1993-01-19 | 1994-08-12 | フジ産業株式会社 | Air compressor |
-
1988
- 1988-06-23 JP JP8354088U patent/JPH025114U/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0649792U (en) * | 1992-12-07 | 1994-07-08 | フジ産業株式会社 | Oil-water automatic separator in screw air compressor |
JPH0658189U (en) * | 1993-01-19 | 1994-08-12 | フジ産業株式会社 | Air compressor |
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