JPS5884608U

JPS5884608U - Magnetic head for video tape recorder

Info

Publication number: JPS5884608U
Application number: JP18078081U
Authority: JP
Inventors: 隆生小林; 哲山口; 上岡　登喜夫; 誠一石井
Original assignee: ティーディーケイ株式会社
Priority date: 1981-12-04
Filing date: 1981-12-04
Publication date: 1983-06-08
Also published as: JPS6338413Y2

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 drawings]

第１図は家庭用小形ＶＴＲに使用されるテープの記録方
式を示した図、第２図は音声信号トラックおよびコント
ロール信号トラック用の従来のＶＴＲ用磁気ヘッドを示
した図でイは平面図、口は正面図、第３図は本考案に係
るＶＴＲ用磁気ヘッドを示した図でイは平ｍ１図、口は
正面図、ハは０図におけるハーバ断面を矢印方向にみた
図、第４図はブロックホルダの詳細を示した図でイは平
面図、口は正面図、ハは底面図、二は左側面図、ホは０
図におけるホーホ断面を矢印方向にみた図である。１・・・・・・テープ、２・・・・・・映像信号トラッ
ク、３・・・・・・音声信号トラック、４・・・・・・
コントロール信号トラック、１１・・・・・・磁気ヘッ
ド、１１Ａ・・・・・・テープ走行面、１２・・・・・
・ケース、１３・・・・・・シールドブロック、１４・
・・・・・音声ヘッド、１４Ａ・・・・・・フロントコ
ア、１５・・・・・・コントロールヘッド、１５Ａ・・
・・・・フロントコア、２１・・・・・・ブロックホル
ダ、２２・・・・・・本体、２３・・・・・・ブロック
、２３Ａ・・・・・・基準面、２４・・・・・・コアサ
ポート、２４Ａ・・・・・・空隙。ハ　　　１１１５Ａ　　　　　　１５Ａ３Ａ２二第４図（イ）１４　　　　　嘴−不　２４ＡFig. 1 is a diagram showing a tape recording system used in a small household VTR, Fig. 2 is a diagram showing a conventional VTR magnetic head for audio signal tracks and control signal tracks, and A is a plan view; Figure 3 is a diagram showing the magnetic head for VTR according to the present invention, A is a plane view, mouth is a front view, C is a view of the harbor cross section in Figure 0, viewed in the direction of the arrow, and Figure 4. is a diagram showing the details of the block holder, A is a plan view, mouth is a front view, C is a bottom view, 2 is a left side view, and E is 0
It is a figure which looked at the Hoch section in the arrow direction in a figure. 1...Tape, 2...Video signal track, 3...Audio signal track, 4...
Control signal track, 11...Magnetic head, 11A...Tape running surface, 12...
・Case, 13...Shield block, 14・
...Audio head, 14A...Front core, 15...Control head, 15A...
...Front core, 21...Block holder, 22...Body, 23...Block, 23A...Reference surface, 24... ...Core support, 24A... air gap. C 11 15A 15A 3A 22 Figure 4 (A) 14 Beak-not 24A

Claims

[Claims for Utility Model Registration] In a magnetic head for a video tape recorder, which comprises a case in which a shield block, an audio head, and a control head are placed and filled with resin, when the magnetic head comes into contact with the shield block, the following (a) A magnetic head for a video tape recorder, characterized in that it includes an integrally molded block holder comprising the elements of () to (C). (a) A main body which is shaped like a square plate and whose negative side forms the abutment surface of the shield block. (b) A rectangular block provided on the other side of the main body (C) Two core supports extending from both ends of the main body, each consisting of two mutually parallel bars.