JPS5917023U

JPS5917023U - magnetic head

Info

Publication number: JPS5917023U
Application number: JP11174982U
Authority: JP
Inventors: 誠奥田; 英雄黒川
Original assignee: 松下電器産業株式会社
Priority date: 1982-07-22
Filing date: 1982-07-22
Publication date: 1984-02-01

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

[Brief explanation of the drawing]

第１図およＯ：第２図は本考案の一実施例を示し、第１
図はビデオテープレコーダのシリンダ部分の斜視図、第
２図は磁気ヘッドの斜視図であり、第３図は他の実施例
における磁気ヘッドの斜視図、第４図及び第５図はそれ
ぞれさらに別の実施例における磁気ヘッドの正面図、第
６図はさらに別の実施例における磁気ヘッドの斜視図、
第７図は従来の磁気ヘッドを用いた場合の繰返し走行回
数とヘッド出力のレベル低下の頻度の関係を説明する説
明図である。２．１６・・・磁気ヘッド、４．１５・・・磁気テープ
（磁気記録媒体）、９・・・接触領域、１０．１７・・
・ヘッドギャップ、１１〜１４．１８・・・凹部。Figures 1 and O: Figure 2 shows an embodiment of the present invention;
FIG. 2 is a perspective view of a cylinder portion of a video tape recorder, FIG. 2 is a perspective view of a magnetic head, FIG. 3 is a perspective view of a magnetic head in another embodiment, and FIGS. 4 and 5 are separate views. FIG. 6 is a front view of a magnetic head in an embodiment, and FIG. 6 is a perspective view of a magnetic head in another embodiment.
FIG. 7 is an explanatory diagram illustrating the relationship between the number of repeated runs and the frequency of head output level drop when a conventional magnetic head is used. 2.16...Magnetic head, 4.15...Magnetic tape (magnetic recording medium), 9...Contact area, 10.17...
- Head gap, 11-14.18... recess.

Claims

[Scope of utility model registration request]

A magnetic head that is provided with a recessed portion having a length that covers approximately the track width within a region that contacts a magnetic recording medium and on the entrance side of the magnetic recording medium with respect to the head gap position.