JPS5819704Y2 - magnetic recording and reproducing device - Google Patents
magnetic recording and reproducing deviceInfo
- Publication number
- JPS5819704Y2 JPS5819704Y2 JP1976160017U JP16001776U JPS5819704Y2 JP S5819704 Y2 JPS5819704 Y2 JP S5819704Y2 JP 1976160017 U JP1976160017 U JP 1976160017U JP 16001776 U JP16001776 U JP 16001776U JP S5819704 Y2 JPS5819704 Y2 JP S5819704Y2
- Authority
- JP
- Japan
- Prior art keywords
- elastic body
- substrate
- post
- head
- magnetic recording
- 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.)
- Expired
Links
Landscapes
- Vibration Prevention Devices (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Description
【考案の詳細な説明】
本考案は磁気記録再生装置におけるオーディオヘッドの
振動を防止して、ワウ低減化を図るに実用的な磁気記録
再生装置を提供するものである。[Detailed Description of the Invention] The present invention provides a magnetic recording/reproducing device which is practical for preventing vibration of an audio head in a magnetic recording/reproducing device and reducing wow.
回転ヘッドを有する磁気記録再生装置(以下単にVTR
と称す)では通常のテープレコーダと異なり、オーディ
オヘッドを支える構造はVTR特有のものを必要とする
。A magnetic recording/reproducing device (hereinafter simply referred to as a VTR) with a rotating head
Unlike a normal tape recorder, the VTR requires a structure to support the audio head that is unique to VTRs.
その代表的な構造を第1図及び第2図によって説明する
。Its typical structure will be explained with reference to FIGS. 1 and 2.
第1図はオーディオヘッド近傍の組立図であり、第2図
はその分解図を示したものである。FIG. 1 is an assembled view of the vicinity of the audio head, and FIG. 2 is an exploded view thereof.
なお図中同一番号は同じものを示す。Note that the same numbers in the figures indicate the same things.
オーディオヘッドとコントロールヘッドとを内蔵したヘ
ッド1(以下んにヘッドと称す)とオーディオアルコレ
ンド2は、ビス11゜12でヘッド取付は用基板3に固
着されており、該基板3はビス31.32で後述するX
瞳調整用基板4に取付けられている。The head 1 (hereinafter referred to as the head) and the audio alcolend 2, which have a built-in audio head and control head, are fixed to a head mounting board 3 with screws 11 and 12, and the board 3 is fixed with screws 31 and 12, respectively. X mentioned later in 32
It is attached to the pupil adjustment board 4.
ビス31,32はA/Cヘッド1のギャップがテープ1
0進行方向に対し垂直になるよ5A/Cヘンド1の傾き
を調整するためのねじであり、虫ねじ33,34はA/
Dヘッド1とテープ10との接触度合を調整するための
ものである。The screws 31 and 32 are set so that the gap of A/C head 1 is tape 1.
0 This is a screw for adjusting the inclination of A/C hand 1 so that it is perpendicular to the direction of movement.
This is for adjusting the degree of contact between the D head 1 and the tape 10.
なおビス32はばね36を介して基板3を押え付けてい
る。Note that the screw 32 presses down the board 3 via a spring 36.
VTRでは各デツキ間の互換性を保つため、ビデオヘッ
ドの所定の回転位置からA/Cヘッド1までの距離(X
値)を一定に保つ必要がある。In a VTR, in order to maintain compatibility between each deck, the distance (X
value) must be kept constant.
X瞳調整用基板4はそのためのものであり、このX瞳調
整用基板4はビス41゜42をもってバカ穴41’、4
2’を通して基板5に取付けられている。The X-pupil adjustment board 4 is for this purpose, and the
It is attached to the substrate 5 through 2'.
そして基板5はデツキ本体基板8上に配置した環状のば
ね66.76の上に。Then, the board 5 is placed on the annular springs 66 and 76 arranged on the deck main board 8.
ボス65′、15′を有する部分のところまで一部分が
該ばね66.76に嵌合している環状のばね押え部材6
5,75を介在させて、載置しである。An annular spring holding member 6 whose portion is fitted into the spring 66, 76 up to the portion having the bosses 65', 15'.
5 and 75 are placed in between.
6.7は本体基板8に垂直に固着されたポストで、ばね
66.76及びばね押え部材65,75と基板5を貫通
しており、更にポスト6は、テープ100走行高さを規
制するためのリミッタ手段61゜62.63を装着して
いる。6.7 is a post fixed perpendicularly to the main body board 8, passing through the spring 66, 76 and the spring holding members 65, 75, and the board 5. Furthermore, the post 6 is used to regulate the running height of the tape 100. Limiter means 61°62.63 are installed.
そこで基板5はテープ100走行高さを規制するリミッ
タ手段61゜62.63を装着したポスト6の上端ねじ
部6′に螺合する調節ナツト64及び、ポスト7の上端
ねじ部1′に螺合する調節ナツトT4の締付けによって
、実質的に、ばね66.76上に固定されている。Therefore, the board 5 is fitted with an adjustment nut 64 which is screwed into the upper end threaded part 6' of the post 6 equipped with a limiter means 61, 62, 63 for regulating the running height of the tape 100, and which is threaded into the upper end threaded part 1' of the post 7. By tightening the adjusting nut T4, the spring 66, 76 is substantially fixed.
従って基板5は本体基板8との間に弾性体であるばね6
6.76を介して取付けられているのであるから、A/
Cヘンド1の全体の高さをすント64.γ4の締付げ具
合によって調整位置決めが出来る様になっている。Therefore, between the substrate 5 and the main substrate 8, there is a spring 6 which is an elastic body.
6.76, so A/
The overall height of C hand 1 is 64. The position can be adjusted by adjusting the tightening condition of γ4.
なおリミッタ手段61〜63はポストの外径よりも多小
太き目の内径を持ち、その外径を異にしたカラーをポス
ト6に装着したものであり、調節ナンド64によってテ
ープの高さを調整する様になっている。The limiter means 61 to 63 have an inner diameter slightly larger than the outer diameter of the post, and collars with different outer diameters are attached to the post 6, and the height of the tape can be adjusted by an adjustment pad 64. It seems to be adjusted.
以上の説明で明らかの様に、A/Cヘンド1の高さと、
テープ100走行する高さを規制するリミッタ手段61
〜63とは予じめ機械精度で適当な高さ関係になるよう
に組立てられ、リミッタ手段61〜63をテープ高さ調
節ナツト64で上下させると、該リミッタ手段61〜6
3に連動してA/Cヘッド1の高さも変化する様に構成
されている。As is clear from the above explanation, the height of A/C hand 1,
Limiter means 61 for regulating the height at which the tape 100 travels
- 63 are assembled in advance with mechanical precision so that they have an appropriate height relationship, and when the limiter means 61 - 63 are moved up and down with the tape height adjustment nut 64, the limiter means 61 - 6
3, the height of the A/C head 1 is also changed.
精密なテープ走行な必要とするVTRにおいては、前記
リミッタ手段61〜63は不可欠なものであるため、基
板5は本体基板8との間にばね66、γ6を介在させて
取付られるのが普通である。Since the limiter means 61 to 63 are essential in a VTR that requires precise tape running, the board 5 is usually mounted with springs 66 and γ6 interposed between it and the main board 8. be.
しかしながら第1図に示す構成にすると、ばね66.7
6と基板5上に質量系とで共振系を構成し、デツキに取
付けられたモータ等の回転体による振動により励起され
、A/Cヘッド1が数百ヘルツで振動し、オーディオの
ワウ成分となって現われる。However, with the configuration shown in FIG. 1, the spring 66.7
6 and a mass system on the board 5 form a resonant system, which is excited by vibrations from a rotating body such as a motor attached to the deck, causing the A/C head 1 to vibrate at several hundred hertz, causing audio wah and wah components. It appears.
A/Cヘンド1の振動によるワウ成分は0.1%RMS
程度の大きさを持ち、ワウ・フランク軽減化の問題とし
てA/Cヘンド1の振動を防上することは重要な課題と
なってくるが、今まで効果的な対策は講じられていなか
った。Wah component due to A/C hand 1 vibration is 0.1% RMS
However, to date, no effective countermeasures have been taken, although it has become an important issue to prevent vibrations in A/C hand 1 as a problem of reducing wow and flank.
本考案は従来の調整機能を妨げることなく A/Cヘン
ドの振動を防止する実用的且つ効果的な装置を提案する
ものである。The present invention proposes a practical and effective device for preventing A/C hand vibration without interfering with conventional adjustment functions.
前述したようにA/Cヘンド1の振動は、ばね66、γ
6と基板5上の質量系とで決定される共振によるもので
ある。As mentioned above, the vibration of the A/C hand 1 is caused by the spring 66, γ
6 and the mass system on the substrate 5.
従ってなんらかの手段でばね66.76の振動が基板5
に伝達されるのを防止するか、又は基板5上の質量がば
ね66.76に負荷しないようにすればよいことになる
。Therefore, by some means, the vibration of the springs 66 and 76 is caused by the vibration of the substrate 5.
It is only necessary to prevent the mass from being transmitted to the spring 66, 76, or to prevent the mass on the substrate 5 from loading on the spring 66, 76.
本考案はこの点に着目したものでばね押え部材65,7
5とポスト6.7を固着することによつ’Q/Cヘッド
1の共振を防止したものである。The present invention focuses on this point, and the spring holding members 65, 7
5 and posts 6.7, resonance of the Q/C head 1 is prevented.
例えばリミッタ手段によるテープ走行高さを調整し、A
/Cヘッドの傾き調整等の全ての調整が終った後で、ば
ね押え部材65,75に設げた固着手段によってばね押
え部材65,75とポスト6.1を固着すればよい。For example, by adjusting the tape running height using a limiter means,
/C After all adjustments such as head inclination adjustment are completed, the spring press members 65, 75 and the post 6.1 may be fixed by the fixing means provided on the spring press members 65, 75.
以下本考案の実施例を図面によって説明する。Embodiments of the present invention will be described below with reference to the drawings.
第3図は本考案の一実施例を示す側面図で、γ1はばね
押え部材γ5のボス75′に設けたセントねじである。FIG. 3 is a side view showing an embodiment of the present invention, and γ1 is a cent screw provided on the boss 75' of the spring holding member γ5.
基板5上に支持されているんにヘッドの各調整をポスト
γの頭部に螺合するナンド74によって行なった後、セ
ントねじ71をポスト7に締付けて、ばね押え部材75
とポスト7とを固着すれば、ばねT6と基板5上の質量
系は互に作用し合うことなく切り離されたと同じ状態と
なり、共振による高いピークを持った振動は生じなくな
る。After each adjustment of the head supported on the board 5 is performed by the Nand 74 screwed into the head of the post γ, the cent screw 71 is tightened to the post 7, and the spring holding member 75 is tightened.
If the spring T6 and the post 7 are fixed, the mass system on the spring T6 and the substrate 5 will be in the same state as if they were separated without interacting with each other, and vibration with a high peak due to resonance will not occur.
またばね押え部材75はセントねじ7Tで固着せずに別
の手段、例えば接着剤等によって固着することも出来る
。Further, the spring holding member 75 can be fixed by another means, such as an adhesive, instead of being fixed by the center screw 7T.
さらに第4図に示す如(ばね押え部材γ5と基板5とを
圧入し、若しくはかしめ等によって一体化し、セントね
じ11でポスト1に固着することによっても同じ様vc
A、’Cヘンド1の振動を防止することが出来る。Furthermore, as shown in FIG.
Vibration of A and 'C hands 1 can be prevented.
なお第3図、第4図では片側のポスト7えの固着だけを
示したが、第2図に示すばね押え部材65とポスト6と
の固着も同様に行なうことが出来る。Although FIGS. 3 and 4 show only the fixing of the post 7 on one side, fixing of the spring presser member 65 and the post 6 shown in FIG. 2 can also be done in the same way.
本考案は上記の通りの構成であるから、オーディオヘッ
ドの振動を従来の機能を損なうことなく簡単な手段によ
って防止することによって、ワウ低減化に優れた効果を
発揮するものである。Since the present invention has the above-mentioned configuration, it exhibits an excellent effect in reducing wow by preventing the vibration of the audio head by a simple means without impairing conventional functions.
第1図はA/Cヘンドの側面図、第2図は人/Cヘッド
の分解図、第3図は本考案による一実施例を示す側面図
、第4図は本考案による他の実施例を示す側面図である
。
1・・・・・・A/Cヘンド、5・・・・・A/℃ヘッ
ドを支持する基板、6,7・・・・・・ポスト、5・−
・・・・本体基板、10・・・・・・テープ、64,7
4・・・・・・ナン)、65゜75・・・・・・ばね押
え部材、66.76・・・・・・バネ、γ1・・・・・
・セントねじ。Fig. 1 is a side view of the A/C head, Fig. 2 is an exploded view of the man/C head, Fig. 3 is a side view showing one embodiment of the invention, and Fig. 4 is another embodiment of the invention. FIG. 1... A/C head, 5... Board supporting A/℃ head, 6, 7... Post, 5...-
...Main board, 10...Tape, 64,7
4...Nan), 65°75...Spring holding member, 66.76...Spring, γ1...
・St screw.
Claims (1)
押え部材を介在させて載置されたオーディオヘッドを支
持する基板を、本体基板に垂直に固着されて前記弾性体
、弾性体押え部材及び基板を貫通するポストの上端ねじ
部に螺合する調節ナンドによって位置決めしている磁気
記録再生装置において、前記オーディオヘッドを支持す
る基板上の質量系と前記弾性体とが互いに振動系として
作用しないように分離するために、前記弾性体押え部材
と前記ポストとを固着する固着手段を、前記弾性体押え
部材に設けたことを特徴とする磁気記録再生装置。A substrate supporting an audio head placed on an annular elastic body disposed on the main body substrate with an annular elastic body holding member interposed therebetween is fixed perpendicularly to the main body substrate, and the elastic body and the elastic body holding member are fixed perpendicularly to the main body substrate. In a magnetic recording/reproducing device that is positioned by an adjusting nut screwed into an upper end screw portion of a post passing through a member and a substrate, the mass system on the substrate supporting the audio head and the elastic body mutually act as a vibration system. 1. A magnetic recording and reproducing apparatus characterized in that the elastic body press member is provided with a fixing means for fixing the elastic body press member and the post in order to prevent the post from being separated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1976160017U JPS5819704Y2 (en) | 1976-11-29 | 1976-11-29 | magnetic recording and reproducing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1976160017U JPS5819704Y2 (en) | 1976-11-29 | 1976-11-29 | magnetic recording and reproducing device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5376813U JPS5376813U (en) | 1978-06-27 |
JPS5819704Y2 true JPS5819704Y2 (en) | 1983-04-22 |
Family
ID=28767917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1976160017U Expired JPS5819704Y2 (en) | 1976-11-29 | 1976-11-29 | magnetic recording and reproducing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5819704Y2 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6230175Y2 (en) * | 1979-01-11 | 1987-08-03 | ||
JPS58155633U (en) * | 1982-04-10 | 1983-10-18 | 日本ビクター株式会社 | combination head |
JPS5987619A (en) * | 1982-11-09 | 1984-05-21 | Matsushita Electric Ind Co Ltd | Head device |
JPS59149224U (en) * | 1983-03-26 | 1984-10-05 | ティーディーケイ株式会社 | magnetic head |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS524904Y2 (en) * | 1972-08-18 | 1977-02-01 |
-
1976
- 1976-11-29 JP JP1976160017U patent/JPS5819704Y2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5376813U (en) | 1978-06-27 |
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