JPS59138022U - Rotating magnetic head device - Google Patents
Rotating magnetic head deviceInfo
- Publication number
- JPS59138022U JPS59138022U JP3267283U JP3267283U JPS59138022U JP S59138022 U JPS59138022 U JP S59138022U JP 3267283 U JP3267283 U JP 3267283U JP 3267283 U JP3267283 U JP 3267283U JP S59138022 U JPS59138022 U JP S59138022U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic head
- magnetic
- piezoelectric vibrator
- head device
- rotating magnetic
- 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.)
- Granted
Links
Landscapes
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の回転磁気ヘッド装置に使用される磁気ヘ
ッドを固着した圧電バイモルフの１部切欠平面図、第２
図は、従来の回転磁気ヘッド装置に用いられる回転ドラ
ムユニットの斜視図、第３図は、従来の回転磁気ヘッド
装置の縦断面図、第４図は、本考案の一実施例の回転磁
気ヘッド装置における磁気ヘッド部の構成を示す一部切
欠斜視図、第５図は、第４図の圧電バイモルフを用いて
形成した回転ドラムユニットの分解斜視図、第６図は、
第５図の回転ドラムユニットの斜視図、第７図は、本考
案の一実施例の回転磁気ヘッド装置の縦断面図、第８図
は、本考案の他の実施例の回転磁気ヘッド装置における
磁気ヘッド部の構成を示す分解斜視図、第９図は、第８
図の磁気ヘッド部を用いて形成した回転ドラムユニット
の分解斜視図、第１０図は、第９図の回転ドラムユニッ
トの平面図、第１１図は、本考案のもう１つの実施例の
回転磁気ヘッド装置における磁気ヘッド部の構成を示す
分解斜視図、第１２図は、第１１図における圧電バイモ
ルフを支持するための支持板の斜視図、第１３図は、第
１１図の磁気ヘッド部を備えた回転ドラムユニットの平
面図である。
２０・・・圧電バイモルフ、２１．２２・・・圧電振動
板、２３−３１．２３−３２・・・圧電バイモルフ駆
−動用の共通電極膜、２３−１０．２３−２０・・・
圧電バイモルフ駆動用の電極膜、２５−１．２５−２・
・・磁気ヘッドチップ取付は用の突起、２７・・・磁気
コア、２８・・・励磁コイル、２９．２９−１゜２９−
２・・・磁気記録再生用の磁気ヘッドチップ、３１・・
・回転ドラム、３１ａ・・・端面、３６・・・圧電振動
板支持用の支持体、３７−１．３７−２・・・支持用の
突起、４５・・・回転ドラムユニット、５０・・・圧電
バイモルフ、５５．５５’・・・回転ドラムユニット、
６０・・・圧電バイモルフ。
ア
露ｉシ１起企１
−２１３゜
冒’２９−２
？ｏ２６−Ｘ２！
第８図
第１０図
°−−
４ｄ６
□
ノテ宮Figure 1 is a partially cutaway plan view of a piezoelectric bimorph to which a magnetic head is fixed, used in a conventional rotating magnetic head device;
4 is a perspective view of a rotating drum unit used in a conventional rotating magnetic head device, FIG. 3 is a vertical sectional view of a conventional rotating magnetic head device, and FIG. 4 is a rotating magnetic head device according to an embodiment of the present invention. FIG. 5 is an exploded perspective view of a rotating drum unit formed using the piezoelectric bimorph of FIG. 4, and FIG.
FIG. 5 is a perspective view of a rotating drum unit, FIG. 7 is a vertical cross-sectional view of a rotating magnetic head device according to an embodiment of the present invention, and FIG. 8 is a magnetic field view of a rotating magnetic head device according to another embodiment of the present invention. FIG. 9 is an exploded perspective view showing the configuration of the head section.
10 is a plan view of the rotating drum unit of FIG. 9, and FIG. 11 is a rotating magnetic head device according to another embodiment of the present invention. 12 is a perspective view of a support plate for supporting the piezoelectric bimorph in FIG. 11, and FIG. 13 is an exploded perspective view showing the structure of the magnetic head section in FIG. FIG. 3 is a plan view of the drum unit. 20...Piezoelectric bimorph, 21.22...Piezoelectric diaphragm, 23-31.23-32...Piezoelectric bimorph drive
-Common electrode film for dynamic use, 23-10.23-20...
Electrode film for piezoelectric bimorph drive, 25-1.25-2・
・Protrusion for attaching the magnetic head chip, 27... Magnetic core, 28... Excitation coil, 29.29-1゜29-
2...Magnetic head chip for magnetic recording and reproduction, 31...
- Rotating drum, 31a... end surface, 36... support for piezoelectric diaphragm support, 37-1.37-2... protrusion for support, 45... rotating drum unit, 50... piezoelectric Bimorph, 55.55'...rotating drum unit,
60...Piezoelectric bimorph. Russia ishi 1 scheme 1 -213゜explosion'29-2? o26-X2! Figure 8 Figure 10 °-- 4d6 □ Note Palace
Claims (1)
面に、板状の圧電振動子を取付けるとともに、該圧電振
動子の所定位置に、磁気記録再生用の磁気ヘッドを固定
して、上記圧電振動子に走査制御電圧信号を印加するこ
とにより磁気ヘッドを、回転軸方向に変位させて磁気ケ
ープの磁気記録面の所定位置を走査するように制御する
回転磁気ヘッド装置において、 上記圧電振動子の磁気ヘッド取付面に、磁気記録再生用
の磁気ヘッドチップを直接固定したことを特徴とする回
転磁気ヘッド装置。[Claims for Utility Model Registration] A plate-shaped piezoelectric vibrator is attached to the end face of a rotating drum that transports a magnetic tape while wrapping it around its circumference, and a magnetic recording and reproducing magnetic field is attached at a predetermined position of the piezoelectric vibrator. A rotary magnetic head that fixes the head and controls the magnetic head to scan a predetermined position on the magnetic recording surface of the magnetic cape by displacing the magnetic head in the direction of the rotation axis by applying a scanning control voltage signal to the piezoelectric vibrator. A rotating magnetic head device, characterized in that a magnetic head chip for magnetic recording and reproduction is directly fixed to the magnetic head mounting surface of the piezoelectric vibrator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3267283U JPS59138022U (en) | 1983-03-07 | 1983-03-07 | Rotating magnetic head device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3267283U JPS59138022U (en) | 1983-03-07 | 1983-03-07 | Rotating magnetic head device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59138022U true JPS59138022U (en) | 1984-09-14 |
| JPS6334096Y2 JPS6334096Y2 (en) | 1988-09-09 |
Family
ID=30163483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3267283U Granted JPS59138022U (en) | 1983-03-07 | 1983-03-07 | Rotating magnetic head device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59138022U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5522285A (en) * | 1978-08-03 | 1980-02-16 | Matsushita Electric Ind Co Ltd | Magnetic head device |
| JPS57205818A (en) * | 1981-06-15 | 1982-12-17 | Hitachi Denshi Ltd | Magnetic head for automatic scan tracking |
-
1983
- 1983-03-07 JP JP3267283U patent/JPS59138022U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5522285A (en) * | 1978-08-03 | 1980-02-16 | Matsushita Electric Ind Co Ltd | Magnetic head device |
| JPS57205818A (en) * | 1981-06-15 | 1982-12-17 | Hitachi Denshi Ltd | Magnetic head for automatic scan tracking |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6334096Y2 (en) | 1988-09-09 |
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