JPS60142816U - Head position adjustment device - Google Patents
Head position adjustment deviceInfo
- Publication number
- JPS60142816U JPS60142816U JP2828884U JP2828884U JPS60142816U JP S60142816 U JPS60142816 U JP S60142816U JP 2828884 U JP2828884 U JP 2828884U JP 2828884 U JP2828884 U JP 2828884U JP S60142816 U JPS60142816 U JP S60142816U
- Authority
- JP
- Japan
- Prior art keywords
- elastic plate
- piezoelectric element
- adjustment device
- position adjustment
- head position
- 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
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ＶＴＲの回転ヘッド型磁気記録再生装置の正面
図、第２図はビデオ信号トラックとビデオ再生ヘッドト
ラックとの位置関係を示す説明図、第３図は特殊再生時
の磁気テープ上のビデオ再生ヘッドの軌跡と磁気テープ
送り速さの関係を示す説明図、第４図は従来の圧電素子
を用いたビデオ再生ヘッドの位置調整装置の動作説明図
で、同図ａは圧電素子に電圧を印加する前の状態を示す
要部断面図、同図すは所定の電圧を印加した状態を示す
要部断面図、同図Ｃはビデオ再生ヘッドと磁気テープと
の接触状態を示す同図すの一部拡大図である。第５図及
び第６図は本考案の一実施 ・例を示し、第５図
は要部平面図、第６図ａ、 ｂは動作状態を示す要部断
面図である。第７図は本考案の他の実施例を示す要部平
面図である。
１１７・・・・・・第１のバイモルフ板（圧電素子）、
１８・・・・・・上ドラム、１９，２０，２３．２４・
・・・・・弾性板支持板、２１・・・・・・第１の弾性
板、２２・・・・・・第２のバイモルフ板（圧電素子）
、２５・・・・・・第２の −弾性板、２６・・・・・
・ビデオ再生ヘッド、２９・・・・・・磁気テープ。Fig. 1 is a front view of a rotary head type magnetic recording/reproducing device of a VTR, Fig. 2 is an explanatory diagram showing the positional relationship between the video signal track and the video playback head track, and Fig. 3 is an illustration of the magnetic tape on the magnetic tape during special playback. FIG. 4 is an explanatory diagram showing the relationship between the trajectory of the video playback head and the magnetic tape feeding speed. FIG. Figure C is a cross-sectional view of the main part showing the state before applying a predetermined voltage; It is a partially enlarged view. 5 and 6 show an example of the present invention, in which FIG. 5 is a plan view of the main part, and FIGS. 6a and 6 are sectional views of the main part showing the operating state. FIG. 7 is a plan view of main parts showing another embodiment of the present invention. 117...first bimorph plate (piezoelectric element),
18... Upper drum, 19, 20, 23. 24.
...Elastic plate support plate, 21...First elastic plate, 22...Second bimorph plate (piezoelectric element)
, 25... Second - elastic plate, 26...
- Video playback head, 29...magnetic tape.
Claims (1)
対の弾性板支持板を設けた第１の圧電素子と、両端が固
定され前記一対の弾性板支持板間に配置される第１の弾
性板と、該第１の弾性板に一端が固定され他端の自由端
に相対向して一対の弾性板支持板を設けた第２の圧電素
子と、両端が固定され前記第２の圧電素子に設けた弾性
板支持板間に配置される第２の弾性板との組合せを少な
くとも１組有し、前記第１、第２の圧電素子の変形量に
応じてへ：ンドを移動させることを特徴とするヘッドの
位置調整装置。４a first piezoelectric element having one end fixed and a pair of elastic support plates facing each other on the upper and lower surfaces of the free end of the other end; and a first piezoelectric element having both ends fixed and disposed between the pair of elastic support plates. a first elastic plate; a second piezoelectric element having one end fixed to the first elastic plate and a pair of elastic plate support plates facing each other at the other free end; The second piezoelectric element has at least one combination with a second elastic plate disposed between the elastic plate supporting plates, and the second piezoelectric element has at least one combination with a second elastic plate disposed between the elastic plate supporting plates, and a A head position adjustment device characterized by moving the head. 4
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2828884U JPS60142816U (en) | 1984-03-01 | 1984-03-01 | Head position adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2828884U JPS60142816U (en) | 1984-03-01 | 1984-03-01 | Head position adjustment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60142816U true JPS60142816U (en) | 1985-09-21 |
Family
ID=30526027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2828884U Pending JPS60142816U (en) | 1984-03-01 | 1984-03-01 | Head position adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60142816U (en) |
-
1984
- 1984-03-01 JP JP2828884U patent/JPS60142816U/en active Pending
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