JPH0166660U - - Google Patents
Info
- Publication number
- JPH0166660U JPH0166660U JP1987160597U JP16059787U JPH0166660U JP H0166660 U JPH0166660 U JP H0166660U JP 1987160597 U JP1987160597 U JP 1987160597U JP 16059787 U JP16059787 U JP 16059787U JP H0166660 U JPH0166660 U JP H0166660U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- attached
- drive coil
- interlocked
- outputted
- 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
- 230000001133 acceleration Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 238000009423 ventilation Methods 0.000 claims 1
Landscapes
- Moving Of Head For Track Selection And Changing (AREA)
Description
第１図は本考案の一実施例の要部の外観図、第
２図は従来例の外観を示す図である。
図中１は駆動コイル、２は磁気回路、４はシリ
ンダー、５はピストン、６は通気孔、８は圧電素
子である。
FIG. 1 is an external view of the main parts of an embodiment of the present invention, and FIG. 2 is a view showing the external appearance of a conventional example. In the figure, 1 is a drive coil, 2 is a magnetic circuit, 4 is a cylinder, 5 is a piston, 6 is a vent, and 8 is a piezoelectric element.
Claims (1)
シリンダー４内に、装着した通気孔６を穿つたピ
ストン板５を、磁気回路２上を摺動して、遊動し
得るように巻回した駆動コイル１に連結して連動
せしめ、前記駆動コイル１の動きにより連動して
、シリンダー４内に発生した空気圧の変化に応じ
て発生する圧電電圧出力を、トレーシング制御信
号として取り出し、出力することを特徴とするコ
ンパクトデイスク用加速度検出ピツクアツプ。 A drive coil is wound so that a piston plate 5 having a ventilation hole 6 is attached to a cylinder 4 of an air pump with a piezoelectric element 8 attached to the rear end surface so that it can slide on a magnetic circuit 2 and move freely. 1 and interlocked with the movement of the drive coil 1, the piezoelectric voltage output generated in response to the change in air pressure generated in the cylinder 4 is extracted and outputted as a tracing control signal. Acceleration detection pick-up for compact disks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987160597U JPH0166660U (en) | 1987-10-20 | 1987-10-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987160597U JPH0166660U (en) | 1987-10-20 | 1987-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0166660U true JPH0166660U (en) | 1989-04-28 |
Family
ID=31442800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987160597U Pending JPH0166660U (en) | 1987-10-20 | 1987-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0166660U (en) |
-
1987
- 1987-10-20 JP JP1987160597U patent/JPH0166660U/ja active Pending
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