JPS6128130U - Rotating head device for magnetic recording and reproducing equipment - Google Patents

Rotating head device for magnetic recording and reproducing equipment

Info

Publication number
JPS6128130U
JPS6128130U JP11152184U JP11152184U JPS6128130U JP S6128130 U JPS6128130 U JP S6128130U JP 11152184 U JP11152184 U JP 11152184U JP 11152184 U JP11152184 U JP 11152184U JP S6128130 U JPS6128130 U JP S6128130U
Authority
JP
Japan
Prior art keywords
annular body
magnetic recording
head device
rotating head
reproducing equipment
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.)
Granted
Application number
JP11152184U
Other languages
Japanese (ja)
Other versions
JPH0424491Y2 (en
Inventor
公正 柴田
Original Assignee
松下電器産業株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 松下電器産業株式会社 filed Critical 松下電器産業株式会社
Priority to JP11152184U priority Critical patent/JPS6128130U/en
Publication of JPS6128130U publication Critical patent/JPS6128130U/en
Application granted granted Critical
Publication of JPH0424491Y2 publication Critical patent/JPH0424491Y2/ja
Granted legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来例の磁気記録再生装置の回転ヘッド装置の
外観斜視図、第２図は同ビデオヘッド部分の断面図、第
３図は同ビデオヘッドと磁気テープとの接触状態の拡大
図、第４図は同記録状態における磁化トラック形式の様
子を示す図、第５図は同再生状態における再生映像信号
を示す図、第６歯は本考案における一実施例の磁気記録
再生装置の回転ヘッド装置の外観斜視図、第７図は同ビ
デオヘッド部分の断面図、第８図は岡回転上シリンダー
の平面図、第９図は同ビデオヘッドと磁気テープとの接
触状態の拡大図、第１０図は同記録状態における磁化ト
ラック形成の様子を示す図、第１１図は同再生状態にお
ける再生映像信号を示す図、第１２図は同回転上シリン
ダー外周面からの磁気テープ浮上量を示す特性図、第１
３．１４図は本考案における他の実施例の断面図である
。 ４，４′・・・・・・ビデオヘッド、５・・・・・・固
定下シリンダー、６・・・・・・磁気テープ走行案内面
、２０・・・・・・回転上シリンダー、２１・・・・・
・回転上シリンダー外周面、２２・・・・・・貫通穴、
２３・・・・・・環状体部、２４・・・・・・回転上シ
リンターの回転中心を含む直線、２５・・・・・・貫通
穴の環状体体外周面開口部、２６・・・・・・貫通穴の
環状体内側開口部。FIG. 1 is an external perspective view of a rotary head device of a conventional magnetic recording/reproducing device, FIG. 2 is a sectional view of the video head portion, and FIG. 3 is an enlarged view of the state of contact between the video head and the magnetic tape. FIG. 4 is a diagram showing the state of the magnetized track format in the same recording state, FIG. 5 is a diagram showing the reproduced video signal in the same reproduction state, and the sixth tooth is a rotary head of a magnetic recording and reproducing apparatus according to an embodiment of the present invention. Fig. 7 is a cross-sectional view of the video head portion of the device, Fig. 8 is a plan view of the Oka rotating upper cylinder, Fig. 9 is an enlarged view of the state of contact between the video head and the magnetic tape, and Fig. 10 is a perspective view of the appearance of the device. Figure 11 is a diagram showing how magnetic tracks are formed in the same recording state, Figure 11 is a diagram showing reproduced video signals in the same reproduction state, and Figure 12 is a characteristic diagram showing the flying height of the magnetic tape from the outer peripheral surface of the rotating upper cylinder. , 1st
Figure 3.14 is a sectional view of another embodiment of the present invention. 4, 4'... Video head, 5... Fixed lower cylinder, 6... Magnetic tape running guide surface, 20... Rotating upper cylinder, 21.・・・・・・
・Rotating upper cylinder outer peripheral surface, 22...through hole,
23... Annular body portion, 24... Straight line including the rotation center of the rotating upper cylinder, 25... Opening on the outer peripheral surface of the annular body of the through hole, 26... ...Opening inside the annular body of the through hole.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）ビデオヘッドの突出した外周面から、略々回転軸
芯方向に向って複数の貫通穴を有する環状体を回転させ
、前記環状体の外周面に磁気テープを案内し、前記環状
体の外周面と前記磁気テープとの間に介在する空気の一
部を前記環状体の貫通穴に流出させることを特徴とする
磁気記録再生装置の回転ヘッド装置。(1) Rotate an annular body having a plurality of through holes from the protruding outer circumferential surface of the video head approximately in the direction of the rotation axis, guide a magnetic tape to the outer circumferential surface of the annular body, and A rotary head device for a magnetic recording/reproducing device, characterized in that a part of air interposed between an outer peripheral surface and the magnetic tape flows out into a through hole of the annular body. （２）貫通穴は、その環状体外周面側の開口部に対して
前記環状体内側の開口部が前記環状体の回転方向に対し
遅れた方向に設けられていることを特徴とする実用新案
登録請求の範囲第１項記載の磁気記録再生装置の回転ヘ
ッド装置。(2) A utility model characterized in that, in the through hole, an opening on the inside of the annular body is provided in a direction that lags behind the rotational direction of the annular body with respect to an opening on the outer peripheral surface side of the annular body. A rotary head device for a magnetic recording/reproducing device according to claim 1.
JP11152184U 1984-07-23 1984-07-23 Rotating head device for magnetic recording and reproducing equipment Granted JPS6128130U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11152184U JPS6128130U (en) 1984-07-23 1984-07-23 Rotating head device for magnetic recording and reproducing equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11152184U JPS6128130U (en) 1984-07-23 1984-07-23 Rotating head device for magnetic recording and reproducing equipment

Publications (2)

Publication Number Publication Date
JPS6128130U true JPS6128130U (en) 1986-02-20
JPH0424491Y2 JPH0424491Y2 (en) 1992-06-10

Family

ID=30670606

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11152184U Granted JPS6128130U (en) 1984-07-23 1984-07-23 Rotating head device for magnetic recording and reproducing equipment

Country Status (1)

Country Link
JP (1) JPS6128130U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5977664A (en) * 1982-10-26 1984-05-04 Matsushita Electric Ind Co Ltd Rotary head assembly
JPS5977604A (en) * 1982-10-26 1984-05-04 Nec Corp Rotary type storage device
JPS59110064A (en) * 1982-12-14 1984-06-25 Matsushita Electric Ind Co Ltd Rotary head assembly

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5977664A (en) * 1982-10-26 1984-05-04 Matsushita Electric Ind Co Ltd Rotary head assembly
JPS5977604A (en) * 1982-10-26 1984-05-04 Nec Corp Rotary type storage device
JPS59110064A (en) * 1982-12-14 1984-06-25 Matsushita Electric Ind Co Ltd Rotary head assembly

Also Published As

Publication number Publication date
JPH0424491Y2 (en) 1992-06-10

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