JPS59130224U - Magnetic head for VTR - Google Patents

Magnetic head for VTR

Info

Publication number
JPS59130224U
JPS59130224U JP2297383U JP2297383U JPS59130224U JP S59130224 U JPS59130224 U JP S59130224U JP 2297383 U JP2297383 U JP 2297383U JP 2297383 U JP2297383 U JP 2297383U JP S59130224 U JPS59130224 U JP S59130224U
Authority
JP
Japan
Prior art keywords
vtr
center core
magnetic head
side cores
sides
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2297383U
Other languages
Japanese (ja)
Inventor
上岡　登喜夫
誠一 石井
隆生 小林
哲 山口
Original Assignee
ティーディーケイ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ティーディーケイ株式会社 filed Critical ティーディーケイ株式会社
Priority to JP2297383U priority Critical patent/JPS59130224U/en
Publication of JPS59130224U publication Critical patent/JPS59130224U/en
Pending legal-status Critical Current

Links

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

【図面の簡単な説明】[Brief explanation of drawings]

第１図及び第２図は、従来例の構成を示す図、第３図は
、同従来例の問題点を説明する図、第４図は、本考案の
一実施例のコアを示す図である。 １１・・・センターコア、１２ａ、１２ｂ・・・サイド
コア、１３ａ、　　１３ｂ−・・ギャップ、１４ａ、１
４ｂ・・・凹部、Ｃ・・・研削曲線、１・・・ギャップ
の深さ。1 and 2 are diagrams showing the configuration of a conventional example, FIG. 3 is a diagram explaining the problems of the conventional example, and FIG. 4 is a diagram showing the core of an embodiment of the present invention. be. 11... Center core, 12a, 12b... Side core, 13a, 13b-... Gap, 14a, 1
4b...Concavity, C...Grinding curve, 1...Gap depth.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] コイルを嵌着したＩ字形センターコアの一端の両側にそ
れぞれギャップを介してサイドコアが配置され、前面部
を斜めに研削してテープ走行面が形成されてなるＶＴＲ
用消去ヘッドにおいて、前記サイドコアは、その平面形
状が一端は同一寸法幅で突出し他端は先細形状で突出し
た略コの字形をなし、形状の異なる端部が互いに対向す
るように２個１組が配置され、前記センターコアは、前
記前面部が斜めに研削されたとき、センターコアの両側
に形成されるダブルギャップのテープ走行面からの深さ
が互四ヒ略等寸法となるように、凹　　′部が設けられ
てなることを特徴とするＶＴＲ用磁気ヘッド。A VTR in which side cores are placed on both sides of an I-shaped center core with a gap in between, and the front surface is ground diagonally to form a tape running surface.
In the erasing head, the side cores have a substantially U-shaped planar shape with one end having the same size and width protruding and the other end being tapered and protruding, and two of the side cores are arranged in pairs so that the ends with different shapes face each other. are arranged, and the center core is such that when the front surface is ground diagonally, the depths from the tape running surface of the double gaps formed on both sides of the center core are approximately equal in size. A magnetic head for a VTR, characterized in that it is provided with a concave portion.
JP2297383U 1983-02-21 1983-02-21 Magnetic head for VTR Pending JPS59130224U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2297383U JPS59130224U (en) 1983-02-21 1983-02-21 Magnetic head for VTR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2297383U JPS59130224U (en) 1983-02-21 1983-02-21 Magnetic head for VTR

Publications (1)

Publication Number Publication Date
JPS59130224U true JPS59130224U (en) 1984-09-01

Family

ID=30154065

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2297383U Pending JPS59130224U (en) 1983-02-21 1983-02-21 Magnetic head for VTR

Country Status (1)

Country Link
JP (1) JPS59130224U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52151017A (en) * 1976-06-10 1977-12-15 Sankyo Seiki Seisakusho Kk Double gap erasing magnetic head
JPS5536492B2 (en) * 1976-05-26 1980-09-20
JPS57179930A (en) * 1981-04-30 1982-11-05 Tdk Corp Magnetic head

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5536492B2 (en) * 1976-05-26 1980-09-20
JPS52151017A (en) * 1976-06-10 1977-12-15 Sankyo Seiki Seisakusho Kk Double gap erasing magnetic head
JPS57179930A (en) * 1981-04-30 1982-11-05 Tdk Corp Magnetic head

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