JPS60142814U - Head position adjustment device - Google Patents
Head position adjustment deviceInfo
- Publication number
- JPS60142814U JPS60142814U JP2828684U JP2828684U JPS60142814U JP S60142814 U JPS60142814 U JP S60142814U JP 2828684 U JP2828684 U JP 2828684U JP 2828684 U JP2828684 U JP 2828684U JP S60142814 U JPS60142814 U JP S60142814U
- Authority
- JP
- Japan
- Prior art keywords
- position adjustment
- adjustment device
- head position
- support plates
- elastic support
- 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
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) [Abstract] 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図はビデオ信号記録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ス説明図、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テープ
送り速さとの関係を−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〜第７図は本考案の一実施例を示し、第５図にバイモ
ルフ板が変位する前の状態を示し、同図ａは要部正面図
、同図すは同図ａのＩ＝Ｉ間の断面図、第６図は第５図
のバイモルフ板が上方に変位した状態を示し、同図ａは
要部正面図、同図すは同図ａの■−■間の断面図、第７
図は本考案装置を上ドラムに取付けた状態を示す要部平
面図である。
１７・・・・・・バイモルフ板（圧電素子）、１８・・
・・・・下ドラム、１９．２０・・・・・・弾性板支持
板、２１・・・・・・弾性板、２２・・・・・・ビデオ
再生ヘッド、２３・・・・・・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 recording track and the video playback head track, and Fig. 3 is a magnetic tape during special playback. Fig. 4 is an explanatory diagram showing the relationship between the trajectory of the video playback head and the tape feeding speed, and Fig. 4 is an explanatory diagram of the operation of a conventional video playback head position adjustment device using a piezoelectric element. Figure C is a cross-sectional view of the main part showing the state before applying a voltage to the main part. This is a partially enlarged view of the figure. Fifth
7 to 7 show an embodiment of the present invention, and FIG. 5 shows the state before the bimorph plate is displaced, and FIG. 6 shows a state in which the bimorph plate in FIG. 5 is displaced upward, and FIG. 7
The figure is a plan view of essential parts showing the device of the present invention attached to the upper drum. 17...Bimorph plate (piezoelectric element), 18...
...Lower drum, 19.20...Elastic plate support plate, 21...Elastic plate, 22...Video playback head, 23...Magnetic tape.
Claims (1)
板支持板を固定して、成る圧電素子と、前記両弾性板支
持板間に配置され、該弾性板支持板にて移動可能にして
両端が一定され略中夫にヘッドを固定せる弾性板とより
成ることを特徴とするヘッドの位置調整装置。A piezoelectric element having one end fixed and a pair of elastic support plates fixed opposite to the free end of the other end, and a piezoelectric element disposed between the two elastic support plates and movable by the elastic support plates. 1. A head position adjustment device comprising an elastic plate having both ends constant and fixing the head substantially to the center shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2828684U JPS60142814U (en) | 1984-03-01 | 1984-03-01 | Head position adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2828684U JPS60142814U (en) | 1984-03-01 | 1984-03-01 | Head position adjustment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60142814U true JPS60142814U (en) | 1985-09-21 |
Family
ID=30526023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2828684U Pending JPS60142814U (en) | 1984-03-01 | 1984-03-01 | Head position adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60142814U (en) |
-
1984
- 1984-03-01 JP JP2828684U patent/JPS60142814U/en active Pending
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