JPH0481223U - - Google Patents
Info
- Publication number
- JPH0481223U JPH0481223U JP12462290U JP12462290U JPH0481223U JP H0481223 U JPH0481223 U JP H0481223U JP 12462290 U JP12462290 U JP 12462290U JP 12462290 U JP12462290 U JP 12462290U JP H0481223 U JPH0481223 U JP H0481223U
- Authority
- JP
- Japan
- Prior art keywords
- connecting member
- attached
- pair
- flexible
- leaf springs
- 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 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第１図は本考案の第１の実施例の光ピツクアツ
プの主要部を説明する正面図、第２図は第１図に
おける平面図、第３図は本考案の第２の実施例を
光ピツクアツプの主要部を説明する正面図、第４
図は第３図における平面図、第５図は本考案の第
３の実施例の光ピツクアツプの主要部を説明する
正面図、第６図は第５図における平面図、第７図
は従来の光ピツクアツプの主要部を説明する平面
図、第８図は第７図における正面図である。
これらの図において、３１……ベース、３３，
３４……トラツク板バネ、３５……連結部材、４
６，４７……フオーカス板バネ、Ｄ，Ｄ′，Ｄ″
……連結部材変位検出部。
FIG. 1 is a front view illustrating the main parts of an optical pickup according to a first embodiment of the present invention, FIG. 2 is a plan view of FIG. 1, and FIG. Front view illustrating the main parts of the 4th
The figure is a plan view of FIG. 3, FIG. 5 is a front view illustrating the main parts of the optical pickup according to the third embodiment of the present invention, FIG. 6 is a plan view of FIG. FIG. 8 is a plan view illustrating the main parts of the optical pickup, and FIG. 8 is a front view of FIG. 7. In these figures, 31...base, 33,
34... Track leaf spring, 35... Connection member, 4
6, 47...Focus leaf spring, D, D', D''
...Connection member displacement detection section.
Claims (1)
キング方向に可撓な１組のトラツク板ばね４３，
４４と、該１組のトラツク板ばね４３，４４の先
端部を連結する連結部材３５と、基端部が前記連
結部材３５に取り付けられ、先端部はレンズホル
ダ３８に取り付けられ、フオーカシング方向に可
撓な１組のフオーカス板ばね４６，４７とを有す
る光ピツクアツプにおいて、 前記連結部材の変位を検出する連結部材変位検
出部Ｄ，Ｄ′，Ｄ″を設けたことを特徴とする光
ピツクアツプ。[Claims for Utility Model Registration] A set of track leaf springs 43 whose proximal ends are attached to the base 31 side and are flexible in the tracking direction;
44, and a connecting member 35 connecting the distal ends of the pair of track leaf springs 43, 44, the proximal end is attached to the connecting member 35, the distal end is attached to the lens holder 38, and the connecting member 35 is movable in the focusing direction. An optical pickup having a pair of flexible focus plate springs 46, 47, characterized in that it is provided with connecting member displacement detection sections D, D', D'' for detecting displacement of the connecting member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12462290U JPH0481223U (en) | 1990-11-27 | 1990-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12462290U JPH0481223U (en) | 1990-11-27 | 1990-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0481223U true JPH0481223U (en) | 1992-07-15 |
Family
ID=31872260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12462290U Pending JPH0481223U (en) | 1990-11-27 | 1990-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0481223U (en) |
-
1990
- 1990-11-27 JP JP12462290U patent/JPH0481223U/ja active Pending