JPH0697495B2 - Rotating magnetic head unit - Google Patents
Rotating magnetic head unitInfo
- Publication number
- JPH0697495B2 JPH0697495B2 JP60175843A JP17584385A JPH0697495B2 JP H0697495 B2 JPH0697495 B2 JP H0697495B2 JP 60175843 A JP60175843 A JP 60175843A JP 17584385 A JP17584385 A JP 17584385A JP H0697495 B2 JPH0697495 B2 JP H0697495B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic head
- rotary
- contactor
- rotary transformer
- male
- 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 - Lifetime
Links
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
Description
【発明の詳細な説明】 〔発明の利用分野〕 本発明はビデオテープレコーダのような磁気記録再生装
置の回転磁気ヘッド装置に係り、磁気ヘッドと回転トラ
ンスとの間の電気的導通手段に関するものである。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotary magnetic head device of a magnetic recording / reproducing apparatus such as a video tape recorder, and more particularly to an electrical conduction means between a magnetic head and a rotary transformer. is there.
従来の装置は、実開昭59−39427号公報に記載のよう
に、プリント基板を、回転シリンダの磁気ヘッドを具備
した面の反対面に取り付け、磁気ヘッドから導線により
結線していた。しかし斯かる装置は、回転トランスから
の導線も、上記プリント基板に結線されるので、（１）
磁気ヘッドからの超微弱な信号を伝える導線が長くな
り、外部誘導ノイズで受けやすい。（２）結線の為の半
田付数が多く作業性が悪い。（磁気ヘッドが摩耗した場
合、回転シリンダ毎に交換しなければならないが、交換
時に数多くの半田付部を外さなければならない。）等の
問題があった。In the conventional device, as described in Japanese Utility Model Laid-Open No. 59-39427, a printed circuit board is attached to the surface of the rotary cylinder opposite to the surface provided with the magnetic head, and the magnetic head is connected by a conductive wire. However, in such a device, since the lead wire from the rotary transformer is also connected to the printed circuit board, (1)
The conductor wire that transmits the ultra-weak signal from the magnetic head becomes longer, and it is more susceptible to external induction noise. (2) The number of solders for wiring is large and workability is poor. (If the magnetic head is worn, it must be replaced for each rotary cylinder, but many soldered parts must be removed at the time of replacement.)
本発明の目的は、上記従来例の欠点を除去し、組立作業
性を向上させることにある。An object of the present invention is to eliminate the above-mentioned drawbacks of the conventional example and improve the assembly workability.
本発明は、磁気ヘッドと回転トランスとの間に結線を、
プリント基板を中継せずに、オス形接触子（プラグ）と
メス形接触子（コネクター）を使用することにより、結
線長を短くし、外部誘導ノイズを受けにくくするととも
に、組立作業性を改善するものである。特に、オス形接
触子の長さを変えることにより、挿入力の分散し、多チ
ャンネルで、接触子が多数化しても、挿入力が余り増加
しないようにしたものである。The present invention provides a connection between the magnetic head and the rotary transformer,
By using a male contactor (plug) and a female contactor (connector) without relaying the printed circuit board, the connection length is shortened, external induction noise is less likely to occur, and assembly workability is improved. It is a thing. In particular, by changing the length of the male contactor, the insertion force is dispersed so that the insertion force does not increase so much even if the number of contacts is increased in a multi-channel manner.
以下、本発明の一実施例を図面をもって説明する。第１
図は本発明の回転磁気ヘッド装置の上部平面図、第２図
は第１図AOBの要部断面図である。An embodiment of the present invention will be described below with reference to the drawings. First
1 is a top plan view of a rotary magnetic head device according to the present invention, and FIG. 2 is a sectional view of an essential part of FIG. 1 AOB.
第１図，第２図において、２′は固定シリンダ（下シリ
ンダ）、２は回転軸５に固定部材（ディスク）６を介し
て取り付けられた回転シリンダ（上シリンダ）を示し、
該シリンダには回転磁気ヘッド１が図示の如く取り付け
られている。４′は固定シリンダ２′に取り付けられた
ステータ、４はステータ４′に対向して配置され、高分
子部材11を介して固定部材６に取り付けられたロータリ
ートランスのロータである。回転シリンダ２には回転磁
気ヘッド１との接続用のメス形接触子３が取り付けられ
ており、このメス形接触子は高分子材料からなるハウジ
ング10に収納されている。メス形接触子３の接触部３′
の他端部３″にはろう付８により磁気ヘッド１の端子部
１′と電気的接続されている。又ロータ４の上部に位置
する高分子部材11には一端がろう付９にて電気的接続さ
れ他端がメス形接触子３に電気的接続されたオス形接触
子７が設けられている。In FIGS. 1 and 2, 2'denotes a fixed cylinder (lower cylinder), 2 denotes a rotary cylinder (upper cylinder) attached to a rotary shaft 5 via a fixed member (disk) 6,
A rotary magnetic head 1 is attached to the cylinder as shown. Reference numeral 4'denotes a stator attached to the fixed cylinder 2 ', 4 denotes a rotor of the rotary transformer which is arranged so as to face the stator 4'and is attached to the fixed member 6 via the polymer member 11. A female contactor 3 for connection with the rotating magnetic head 1 is attached to the rotary cylinder 2, and the female contactor is housed in a housing 10 made of a polymer material. Contact part 3'of the female contactor 3
Is electrically connected to the other end 3 ″ of the magnetic head 1 by the brazing 8. The polymer member 11 located on the upper part of the rotor 4 is electrically connected by brazing 9. A male contactor 7 electrically connected to the female contactor 3 at the other end.
第３図は第２図の回転シリンダ２を取り除いた回転部の
みの平面図で、第４図は第３図のCOD断面である。第３
図及び第４図において、オス形接触子７が、高分子部材
11のロータ４とは反対側の面に回転軸５と平行に装着さ
れていて、ロータリトランスロータ４の巻線4a,4bの端
末4cが、高分子部材11の外径部の切込み11aを通して、
オス形接触子７の一部に、ろう付９にて接続されてい
る。FIG. 3 is a plan view of only the rotating part from which the rotary cylinder 2 of FIG. 2 is removed, and FIG. 4 is a COD cross section of FIG. Third
In FIGS. 4 and 5, the male contact 7 is a polymer member.
11 is mounted parallel to the rotating shaft 5 on the surface opposite to the rotor 4, and the ends 4c of the windings 4a and 4b of the rotary transformer rotor 4 pass through the notch 11a in the outer diameter portion of the polymer member 11,
A part of the male contactor 7 is connected by brazing 9.
本実施例は２端子１対の組のうち一方のオス形接触子７
を長く、他方のメス形接触子７′を短くし、メス形接触
子３に挿入しやすくしたものである。もちろん、チャン
ネル毎に接触子の長さを変えても良い。In this embodiment, one male contact 7 of a pair of two terminals is used.
Is longer and the other female contactor 7 ′ is shorter so that the female contactor 3 can be easily inserted into the female contactor 3. Of course, the length of the contact may be changed for each channel.
本発明によれば、外部誘導ノイズを6dB〜10dB改善する
ことが出来、特に中波放送送信所の近くの強電界地域に
おいて、妨害が入りにくくなる。又、結線の半田付数が
大幅に低減するので、組立作業性が向上し、信頼性の良
い回転磁気ヘッド装置を提供することが出来る。特に本
発明は、接触子を挿入するとき強い力が必要になるが、
オス形接触子の長さが異なる為、力を分散させることが
出来るので、最大挿入力の低減となり、組立作業の改善
が著しく図れる。According to the present invention, external induction noise can be improved by 6 dB to 10 dB, and interference is less likely to occur especially in a strong electric field area near the medium-wave broadcasting transmitting station. Further, since the number of soldering wires is greatly reduced, the workability of assembly is improved and a reliable rotary magnetic head device can be provided. In particular, the present invention requires strong force when inserting the contact,
Since the male contactors have different lengths, the force can be dispersed, so the maximum insertion force is reduced and the assembly work can be significantly improved.
第１図は本発明の一実施例を示す回転磁気ヘッド装置の
上部平面図、第２図は第１図のAOB断面図、第３図はそ
の内部平面図、第４図は第３図のCOD断面図である。 １……回転磁気ヘッド、 １′……回転磁気ヘッド１の端子部、 ２……回転シリンダ、３……メス形接触子、 ３′……メス形接触子３の接触部、３″……３′の他
端、 ４……ロータリトランスロータ、 4a,4b……ロータリトランスロータ巻線、 4c……4a,4bの端末部、５……回転軸、 ６……固定部材、７……オス形接触子、 ７′……オス形接触子、９……ろう付部、 10……ハウジング、11……高分子部材、 11a……高分子部材11の外径部切込み。1 is a top plan view of a rotary magnetic head device showing an embodiment of the present invention, FIG. 2 is a sectional view taken along the line AOB of FIG. 1, FIG. 3 is its internal plan view, and FIG. 4 is a plan view of FIG. It is a COD sectional view. DESCRIPTION OF SYMBOLS 1 ... Rotary magnetic head, 1 '... Terminal part of rotary magnetic head 1, 2 ... Rotating cylinder, 3 ... Female contactor, 3' ... Contact part of female contactor 3, 3 "... The other end of 3 ', 4 ... Rotary transformer rotor, 4a, 4b ... Rotary transformer rotor winding, 4c ... 4a, 4b end, 5 ... Rotating shaft, 6 ... Fixing member, 7 ... Male Shape contactor, 7 '... Male contactor, 9 ... Brazing part, 10 ... Housing, 11 ... Polymer member, 11a ... Outer diameter portion of polymer member 11.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 森川 寿一 茨城県勝田市大字稲田1410番地 株式会社 日立製作所東海工場内 (72)発明者 平山 国明 茨城県勝田市大字稲田1410番地 株式会社 日立製作所東海工場内 (72)発明者 陰地 敏男 茨城県勝田市大字稲田1410番地 株式会社 日立製作所東海工場内 (56)参考文献 特開 昭60−66302（ＪＰ，Ａ) 特開 昭60−52901（ＪＰ，Ａ) 実公 昭51−43420（ＪＰ，Ｙ１) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Toshikazu Morikawa 1410 Inada, Katsuta-shi, Ibaraki, Toda Plant, Hitachi Ltd. (72) Kuniaki Hirayama 1410 Inada, Katsuta-shi, Ibaraki Hitachi Tokai Plant, Ltd. (72) Inventor Toshio Yinchi 1410 Inada, Katsuta-shi, Ibaraki, Toda Plant, Hitachi Ltd. (56) References JP-A-60-66302 (JP, A) JP-A-60-52901 (JP, A) ) Actual Public Sho 51-43420 (JP, Y1)
Claims (1)
伝達用の巻線を付設した回転トランスとを具備し、オス
形接触子とメス形接触子のうちの一方を前記回転シリン
ダ又は回転トランスに取付け、他方を前記回転トランス
又は前記回転シリンダに取付け、該２種の接触子によ
り、磁気ヘッドと回転トランスとの電気的導通を得るよ
うになした回転磁気ヘッド装置において、前記オス形接
触子は磁気ヘッド毎の２端子１対の組で構成され、該２
端子の接触子の長さを磁気ヘッドチャンネル毎に変えて
高分子部材と一体成形した該オス形接触子を回転トラン
スコアに装着したことを特徴とする回転磁気ヘッド装
置。1. A rotary cylinder equipped with a magnetic head and a rotary transformer provided with a winding for signal transmission, wherein one of a male contactor and a female contactor is mounted on the rotary cylinder or the rotary transformer. In the rotary magnetic head device, the other one is attached to the rotary transformer or the rotary cylinder, and the two types of contacts are used to obtain electrical conduction between the magnetic head and the rotary transformer. Each magnetic head is composed of a pair of two terminals,
A rotary magnetic head device, wherein the length of the contact of the terminal is changed for each magnetic head channel and the male contact integrally formed with a polymer member is mounted on a rotary transformer core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60175843A JPH0697495B2 (en) | 1985-08-12 | 1985-08-12 | Rotating magnetic head unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60175843A JPH0697495B2 (en) | 1985-08-12 | 1985-08-12 | Rotating magnetic head unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6236718A JPS6236718A (en) | 1987-02-17 |
| JPH0697495B2 true JPH0697495B2 (en) | 1994-11-30 |
Family
ID=16003186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60175843A Expired - Lifetime JPH0697495B2 (en) | 1985-08-12 | 1985-08-12 | Rotating magnetic head unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0697495B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5951189U (en) * | 1982-09-27 | 1984-04-04 | 立山アルミニウム工業株式会社 | Door sliding door |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5143420U (en) * | 1974-09-27 | 1976-03-31 | ||
| JPS6052901A (en) * | 1983-09-02 | 1985-03-26 | Hitachi Ltd | Rotary magnetic head device |
| JPS6066302A (en) * | 1983-09-21 | 1985-04-16 | Hitachi Ltd | Device for connecting head for video tape recorder with transformer |
-
1985
- 1985-08-12 JP JP60175843A patent/JPH0697495B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5951189U (en) * | 1982-09-27 | 1984-04-04 | 立山アルミニウム工業株式会社 | Door sliding door |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6236718A (en) | 1987-02-17 |
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