JPS58151917U

JPS58151917U - Magnetic head for video tape recorder

Info

Publication number: JPS58151917U
Application number: JP4784282U
Authority: JP
Inventors: 上岡　登喜夫; 誠一石井; 隆夫小林; 哲山口
Original assignee: ティーディーケイ株式会社
Priority date: 1982-04-02
Filing date: 1982-04-02
Publication date: 1983-10-12

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) [Abstract] 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の記録再生用の従来の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用磁気ヘッドの構成を示す図でイ
は平面図、口は正・　　面図、ハは口におけるハーバ断
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−−−−−−
コントロール信号ド　　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、１５・・・・・・コ
ントロールヘッド、２１・・・・・・ブロックホルダ、
２１Ａ・・・・・・シールドブロック当接面、２１Ｂ・
・・・・・基準面、２１Ｃ・・・・・・孔、２２・・・
裏板、２２Ａ・・・・・・板部、２２Ｂ・・・取付部、
２３・・・・・・樹脂。Figure 1 shows the tape recording system used in small household VTRs, and Figure 2 shows a conventional VTR magnetic head for recording and reproducing audio signal tracks and control signal tracks. Figure 3 is a diagram showing the configuration of the VTR magnetic head according to the present invention, where A is a plan view, the mouth is a front and front view, and C is a cross section of the harbour at the mouth seen in the direction of the arrow. ; This is a diagram. 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, 15...Control head, 21...Block holder,
21A...Shield block contact surface, 21B.
...Reference plane, 21C...hole, 22...
Back plate, 22A...Plate part, 22B...Mounting part,
23...Resin.

Claims

[Scope of utility model registration request]

In 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, a running surface of the magnetic head is in contact with the shield block and on the opposite side of the abutting part. A block holder having a reference surface substantially parallel to the block holder, a plate portion and a rod-shaped mounting portion are integrally molded, and the mounting portion is fitted into a hole drilled in the reference surface of the block holder. 1. A magnetic head for a video tape recorder, characterized in that a back plate is provided, and the resin is filled only in a space formed by an outer surface of the back plate and an inner surface of the case.