JPS5884609U

JPS5884609U - Magnetic head for video tape recorder

Info

Publication number: JPS5884609U
Application number: JP18078181U
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

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面図、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。１１５Ａ　　　　　１５Ａ３Ａ、２３− 第４図（イ）１　＼２３Ａ　　　　２３Fig. 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 a magnetic head for a VTR according to the present invention, A is a plan view, Figure 3 is a front view, and C is a view of the harbor cross section in Figure 0 viewed in the direction of the arrow.
FIG. 4 is a diagram showing the details of the block holder, in which A is a plan view, the opening is a front view, C is a bottom view, 2 is a left side view, and E is a view of the Hoho cross section in FIG. 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. 1 15A 15A 3A , 23- Figure 4 (a) 1 \ 23A 23

Claims

[Scope of utility model registration request]

(1) A magnetic head for a video tape recorder comprising a shield block, an audio head, and a control head placed in a case and filled with resin, in which the magnetic head contacts the shield block and has the following elements (a) to (C): Consisting of
A magnetic head for a video tape recorder, characterized in that it is provided with a block holder integrally formed by metal gui-casting. (a) A main body in the shape of a square plate whose - side serves as the contact surface of the shield block. (b) A rectangular block provided on the other surface of the main body. - (C) Both ends of the main body. two core supports, each consisting of two mutually parallel bars;

(2) The magnetic head for a video tape recorder according to claim 1, characterized in that the metal for casting is zinc.