JPS5894127U

JPS5894127U - Magnetic head for video tape recorder

Info

Publication number: JPS5894127U
Application number: JP18879181U
Authority: JP
Inventors: 隆生小林; 哲山口; 上岡　登喜夫; 石井　試一
Original assignee: ティーディーケイ株式会社
Priority date: 1981-12-18
Filing date: 1981-12-18
Publication date: 1983-06-25

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咀よ正面図、第３図は本考案に係る
磁気ヘッドを示した図で、イは平面図、口は正面図、ハ
および二はそれぞれ０図におけるハーバ断面および二−
二断面を矢印方向にみた図、第４図イ１口、ハは本考案
に用いられるブロックホルダを例示した斜視図、第５図
は本考案に係るＶＴＲ用磁気ヘッドを消去ヘッド等の他
の磁気ヘッドと隣接して設置した状況を示した図である
。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、１２Ａ・・・・・・ねじ孔、１３・・・・・
・シールドブロック、１４・・・・・・音声ヘッド、１
５・・・・・・コントロールヘッド、１４Ａ、１５Ａ・
・・・・・フロントコア、２１・・・・・・ブロックホ
ルダ、２１Ａ・・・・・・空隙、２１Ｂ・・・・・・シ
ールドブロック当接面、２１Ｃ・・・・・・基準面、２
１Ｄ・・・・・・基準面、２１Ｅ・・・・・・面、２１
Ｆ・・・・・・切欠き、２１Ｇ・・・・・・帯状突起、
２２・・・・・・ボス、２３・・・・・・シールドブロ
ック当接部、２４・・・・・・帯状突起、２５・・・・
・・切欠き。Figure 1 shows the tape recording system used in small household VTRs, Figure 2 shows a conventional VTR magnetic head for audio signal tracks and control signal tracks, and A is a plan view. 3 is a front view, FIG. 3 is a diagram showing a magnetic head according to the present invention, A is a plan view, a front view is a front view, C and 2 are a harbor cross section in FIG.
4A and 4C are perspective views illustrating the block holder used in the present invention, and FIG. FIG. 3 is a diagram showing a situation in which the magnetic head is installed adjacent to a magnetic head. 1...Tape, 2...Video signal track, 3...Audio signal track, 4...
Control signal track, 11...Magnetic head, 11A...Tape running surface, 12...
・Case, 12A... Screw hole, 13...
・Shield block, 14...Audio head, 1
5...Control head, 14A, 15A・
...Front core, 21...Block holder, 21A...Gap, 21B...Shield block contact surface, 21C...Reference surface, 2
1D... Reference plane, 21E... Surface, 21
F...notch, 21G...band-like projection,
22...Boss, 23...Shield block contact portion, 24...Strip-like projection, 25...
...Notch.

Claims

[Scope of utility model registration request]

(1) In a magnetic head for a video tape recorder, which includes a shield block, an audio head, and a control head placed in a case and filled with resin, the magnetic head has a surface that contacts the shield block, a surface that is parallel to the shield block, and a surface that is parallel to this. and two surfaces that are perpendicular to and parallel to each other, and further comprising a block holder that has a cavity provided in a plane that is substantially orthogonal to both of the two sets of parallel planes. magnetic head for video tape recorders.

(2) A magnetic head for a video tape recorder, wherein the block holder has a substantially rectangular shape.

(3) A magnetic head for a video tape recorder, wherein the block holder comprises a substantially rectangular boss portion and a flat shield block abutment portion having square notches at both ends.