JPS59185017A - Rotary reproducing magnetic head device - Google Patents
Rotary reproducing magnetic head deviceInfo
- Publication number
- JPS59185017A JPS59185017A JP5902283A JP5902283A JPS59185017A JP S59185017 A JPS59185017 A JP S59185017A JP 5902283 A JP5902283 A JP 5902283A JP 5902283 A JP5902283 A JP 5902283A JP S59185017 A JPS59185017 A JP S59185017A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic head
- reproducing magnetic
- head support
- reproducing
- parallel
- 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
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/584—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
- G11B5/588—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads
Abstract
Description
【発明の詳細な説明】
本発明は再生磁気ヘッドが回転シリンダの回転軸に平行
に容易に移動するようにした回転再生磁気ヘッド装置ｖ
ｃ：劉し、特Ｖこ再生時に再生磁気ヘッドが記録トラッ
クを、できるだけ正確しζトレースするように再生磁気
ヘッド支持板全形成した回転再生磁気ヘッド装置ＶＣ関
する。DETAILED DESCRIPTION OF THE INVENTION The present invention provides a rotary reproducing magnetic head device v in which a reproducing magnetic head is easily moved parallel to the rotation axis of a rotary cylinder.
c: Liu, Special V This relates to a rotary reproducing magnetic head device VC in which a reproducing magnetic head supporting plate is entirely formed so that the reproducing magnetic head traces the recording track as accurately as possible during reproduction.
従来例は特公昭５し４０３２９ 、特願昭５５−４７０
０７に示されている。ｌ：うに、圧電素子を用いて自動
トラッキング全行なうもの、及び磁気結合上用いて自動
トラッキングｊ・行なうものの二つのタイプがある。Conventional examples include Japanese Patent Publication No. 5-40329 and Japanese Patent Application No. 55-470.
07. There are two types: one that performs all automatic tracking using piezoelectric elements, and one that performs automatic tracking using magnetic coupling.
これらの従来例では内生ｉ１ｉ （ｆＣ記９トラックと
「１生磁気ヘツドとの相対位置関係金時々刻々楕出し、
この検出は号を水１用して。圧電素子又（・１礎気結会
全介して再生磁気ヘッドをトラック軌跡に正しくトラッ
キングさせているのでるん。In these conventional examples, the relative positional relationship between the endogenous i1i (fC 9 tracks and the 1st magnetic head is elliptical from time to time,
This detection uses water number 1. The piezoelectric element (1) allows the reproducing magnetic head to accurately track the track locus through the piezoelectric element.
これらの従来９１」は四つの欠点を持っている。第一に
は記録トラックと再生磁気ヘッドとの相対位置関係全圧
電的１７′７１．は磁気的に検出−するための機構が必
鰻なことであり、箪二ＶＣは検出された相対位置関係か
らの電気制考′よ！′１４４生磁気ヘッドを制御＃・駆
動するための回路が必要なことで夕、 ′２、第三には
電気エネルギー金機砿エネルキーに変換するための機構
が必要なことであり％朱四にべ匍ｊ御・駆動するための
電力か必要なことで７）ろ。These conventional 91's have four drawbacks. First, the relative positional relationship between the recording track and the reproducing magnetic head is 17'71. It is necessary to have a mechanism for magnetic detection, and Kanji VC is an electric detection based on the detected relative positional relationship! '144 A circuit to control and drive the raw magnetic head was required; '2, and thirdly, a mechanism was required to convert electrical energy into kinetic energy; 7) Electricity is required to control and drive the vehicle.
本発明は従来例の四つの欠点を除去したもので、その目
的は極めて簡単な構成を持ち、ン肖費エネルギーの不要
な自動トラッキング装置全提供することである。The present invention eliminates the four drawbacks of the prior art, and its purpose is to provide an automatic tracking device which has a very simple construction and does not require any extra energy.
以下実施例Ｖこ基づき本発明の詳細な説明する。The present invention will be described in detail based on Example V below.
第第１囚は本発明による回転再生磁気ヘット“装置の実
施例の胡面図でβす、構造は非常（（単純である。回転
シリンダ５に再生山気ヘッド支詩板６゜４が４νり付け
られ、さらに再生磁気ヘッド支持板６．４に「ヰ生磁気
ヘッド１．２が惚９付けられている。ここで再生８気ヘ
ッド支持板６．４は、第２図に示すように再生山気ヘッ
ド１，２が回転シリンダ５０回転軸と平行方向に移動し
やすい、！’）な形状で構成される。県３〜８図は再生
磁気ヘッド支持数３．４の平面形状に関するものである
。The first prisoner is a cross-sectional view of an embodiment of the rotating reproducing magnetic head "device according to the present invention. The structure is very simple. The rotating cylinder 5 has a reproducing head support plate 6°4 with 4ν Furthermore, the reproducing magnetic head 1.2 is attached to the reproducing magnetic head support plate 6.4. The reproducing magnetic heads 1 and 2 are configured in a shape that allows easy movement in parallel to the rotation axis of the rotating cylinder 50. Figures 3 to 8 of the prefecture relate to the planar shape of the reproducing magnetic head support number of 3.4. It is.
壓６図の実施例では再生僻見ヘッド支持板３は振幅が小
さいときは回転！ＩＩ＄ｌ／こ平行に移動する力よ、振
幅が大きいときには平行にならない。第７，８図は振１
１易が大きくても回転軸に平行に移動するように成形し
たものである。In the embodiment shown in Figure 6, the reproduction head support plate 3 rotates when the amplitude is small! II$l/ This is a force that moves in parallel, but when the amplitude is large, it does not become parallel. Figures 7 and 8 are swing 1
It is molded so that it can move parallel to the rotation axis even if the rotational speed is large.
再生磁気ヘッド１．２の走行方向に対する再生磁気ヘッ
ド支持板６，４の剛性ＥＨは十分に強く。The rigidity EH of the reproducing magnetic head support plates 6, 4 with respect to the traveling direction of the reproducing magnetic head 1.2 is sufficiently strong.
回転シリンダ５の回転軸と平行方向の再生磁気ヘッド支
持板３．４の剛性腑は弱く形成でれる。The rigidity of the reproducing magnetic head support plate 3.4 in the direction parallel to the rotation axis of the rotary cylinder 5 is weak.
（第５図参照）
回転軸方向の剛性ＦｉＶと走行方向の剛性ＫＨとの比ｇ
ｖ／ｇａは１０ から１０ 全採用している。(See Figure 5) Ratio g of stiffness FiV in the direction of the rotating shaft and stiffness KH in the running direction
V/ga is 10 to 10.
走行方向の剛性ＦｌｉＨ’ｉ大きく取っであるのは走行
むらを小さくして再生信号の時間１同のゆらき゛ケ小さ
く ＋、、画面のゆれ（ジッター）ケ少なくするためで
ある、
１ｆｃ回転軸方回の剛性ＫＶを他事に小さく取るのは再
生磁気ヘッド１．２とビデオチーツーとの間の磁気結合
を利用するためである。躬９図に示１゛、１に再生山気
ヘッド１はＡの位Ｗにあゐ時力Ｅ正常であり、Ｂの位置
ではアジマス角度か系なり正常位置で（−ｊ：ない。ま
た八′の位置でａ−ｒジマス角度は正しいが正常位はで
はなｌ／′１．。The reason why the rigidity in the running direction is large is to reduce running unevenness, reduce the fluctuation of the playback signal time, and reduce the jitter of the screen. The reason why the rigidity KV is made smaller than that is to utilize the magnetic coupling between the reproducing magnetic head 1.2 and the video player. As shown in Figure 9, when the regenerating mountain head 1 is at the position W at position A, the force E is normal, and at position B, the azimuth angle is at the normal position (-j: not. The a-r angle is correct at the ' position, but not at the missionary position l/'1.
再生磁気ヘッド１とビデオチーツーとσ）間の磁気的結
合状態全ポテンシャルエネルギーＰｍで表現すると第１
０図のように位置Ａ及び１１゛ポテンシヤルの谷が形成
される。The magnetic coupling state between the reproducing magnetic head 1 and the video player σ) is expressed in terms of total potential energy Pm.
As shown in Figure 0, a valley at position A and 11° potential is formed.
さらに再生磁気ヘッド支持板３の回転軸と平行方向の屈
曲によるポテンシャルエネルギーＰθを考慮すると、総
合ポテンシャルエネルギーＰｍ＋Ｐｓは第１２図のよう
になる。Furthermore, when considering the potential energy P.theta. due to bending of the reproducing magnetic head support plate 3 in a direction parallel to the rotation axis, the total potential energy Pm+Ps is as shown in FIG.
つ’ｉｐミル再生磁気ヘッド第１２図のポテンシャルの
谷Ａ点に中心を取るように回転を続けるのである。すな
わち、本発明にぶる実施例にエリ、再生磁気ヘッドはビ
デオテープの記録トラック？正しくトレースするのであ
る。The two-ip mill reproducing magnetic head continues to rotate so that the center is at the potential valley point A in FIG. 12. That is, in the embodiment according to the present invention, is the reproducing magnetic head the recording track of the video tape? Trace correctly.
従来例のよりな複雑な機構がなくても、本発明による非
指に簡単な構造であっても一＋４住磁気ヘッドは正しく
記録トラックをトレースできるのである。Even without the more complicated mechanism of the prior art, the 1+4 magnetic head can accurately trace recording tracks even with the intuitively simple structure of the present invention.
アナログレコードダレイヤーの針が、レコードの清音ト
レースすることシてたと見られる。It appears that the needle of the analog record layer was trying to trace the sound of the record.
再生磁気ヘッド支持板は第７，８−の工９に彼雑な形状
であってもエツチング技術により１」由に抜くことが再
記である。It is reiterated that even if the reproducing magnetic head support plate has a complicated shape, it can be easily removed using etching technology in Steps 7 and 8.
な訃１ｉ１？１にシリンダ５はヘッドバーのようなバー
タイプＶこも葆用で＠ゐ６The cylinder 5 in the 1i1?1 is a bar type V like a head bar.
第１図は本発明（（よる口伝再生磁気ヘッド装置の実施
列の断面■、第２陶は第１図の部分図、第３囚は一実施
例の斜視陶、第４〜８図は本発明（でよる他の実施列の
平面図、男９図６ビデオテープに記録されたトラックと
再生磁気ヘッドの位崗子下す１図、第１０〜１２１１１
ｄポテンシヤルエネルギーＰｍ、Ｐｓ、Ｐｍ＋Ｐｓｉ示
すグラフで６．５ 。
１．２・・・・・・再生磁気ヘッド
３゜４・・・・・・再生血気ヘッド皮付り５・・・・・
・回転シリンダ
以 −ヒ
第１図
第２図
第５図
第６図
第−７図
第８図
＊ｑ
Ａ Ｂ 。
第１０
第１２１〕Figure 1 is a cross-section of an implementation row of a magnetic reproducing head device according to the present invention. Plan views of other embodiments according to the invention (Fig. 9) 6. Tracks recorded on a videotape and the reproduction magnetic head Fig. 1, Nos. 10 to 12111
The graph showing d potential energy Pm, Ps, Pm+Psi is 6.5. 1.2...Reproduction magnetic head 3゜4...Reproduction blood head with skin 5...
・From the rotating cylinder - Fig. 1 Fig. 2 Fig. 5 Fig. 6 Fig. 7 Fig. 8 *q A B. 10th 121st]
Claims (1)
及び再生磁気ヘッド支持板全欧り付Ｉ′ｆた回転シリン
ダから構成さ；ａｓしかも再生磁気ヘッドが回転シリン
ダの回転軸と平行方向に移動しやすい工うｔて再生磁気
ヘッド支持板が成形されたことをｌ特徴とする回転再生
磁気ヘッド装置、Reproducing magnetic/magnetic head support plate with a reproducing 3-ki head attached,
and a reproducing magnetic head support plate.The reproducing magnetic head support plate is formed of a rotary cylinder with a fully rounded surface; A rotary reproducing magnetic head device characterized by the following features:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5902283A JPS59185017A (en) | 1983-04-04 | 1983-04-04 | Rotary reproducing magnetic head device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5902283A JPS59185017A (en) | 1983-04-04 | 1983-04-04 | Rotary reproducing magnetic head device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59185017A true JPS59185017A (en) | 1984-10-20 |
Family
ID=13101244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5902283A Pending JPS59185017A (en) | 1983-04-04 | 1983-04-04 | Rotary reproducing magnetic head device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59185017A (en) |
-
1983
- 1983-04-04 JP JP5902283A patent/JPS59185017A/en active Pending
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