JPS6128109U

JPS6128109U - Traveling tape width direction displacement detection device

Info

Publication number: JPS6128109U
Application number: JP11168284U
Authority: JP
Inventors: 憲一堀切
Original assignee: 株式会社ケンウッド
Priority date: 1984-07-25
Filing date: 1984-07-25
Publication date: 1986-02-20
Also published as: JPH0341285Y2

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図乃至第１０図は本考案に係る走行テープの幅方向
変位検出装置の実施例を示し、第１図はフロック図、第
２図は本考案に係るテープガイドが両側に組み付けられ
た磁気ヘッド装置の平面−図、第３図はテープガイドの
拡大正面図、−第４図は第３図のテープガイドがカセッ
トハーフに挿入された状態での動作を説明するための断
面図、第５図は発光素子と受光素子を組み込んだ磁気ヘ
ッドの正面図、第６図はカセットハーフのキャブスタン
ホールに挿入できるようにした発光素子とこれに対向す
る受光素子の一例を示す斜視図、第７図乃至第１゜・０
図は他の構成例を示し、第７図は断面図、第８図は平面
図、第９図は斜視図、第１０図は発光素子からの光線の
照射方向を可変することができるようにした例を示す側
面図、榊１１図は従来の磁気記録再生装置のへッドタッ
チ調整装置を示す断面図である。一１０一走行テープ、１１，１２：発光素子、１５：パ
ルス発振器、１７．１８：受光素子、２５．２６：容量
素子、２７．２８：整流器、３１：整流波形差動増幅器
、３５：直流差動増幅器、３７：補正差動増幅器。1 to 10 show an embodiment of the device for detecting displacement in the width direction of a running tape according to the present invention, FIG. 1 is a block diagram, and FIG. 2 is a magnetic tape guide according to the present invention assembled on both sides 3 is a plan view of the head device, FIG. 3 is an enlarged front view of the tape guide, FIG. 4 is a sectional view for explaining the operation of the tape guide in FIG. 3 inserted into the cassette half, and FIG. 6 is a front view of a magnetic head incorporating a light emitting element and a light receiving element; FIG. 6 is a perspective view showing an example of a light emitting element that can be inserted into a cab stan hole of a cassette half; and a light receiving element facing the light emitting element; FIG. Figure ~ 1st °・0
The figures show other configuration examples; FIG. 7 is a sectional view, FIG. 8 is a plan view, FIG. 9 is a perspective view, and FIG. FIG. 11 is a sectional view showing a conventional head touch adjustment device for a magnetic recording/reproducing device. 1101 running tape, 11, 12: light emitting element, 15: pulse oscillator, 17.18: light receiving element, 25.26: capacitive element, 27.28: rectifier, 31: rectified waveform differential amplifier, 35: DC difference Dynamic amplifier, 37: Correction differential amplifier.

Claims

[Claims for Utility Model Registration] 1. So that the light irradiating the upper and lower edges of the running tape in the width direction is partially blocked by the tape and received;
Two light-receiving elements are arranged in the width direction of the tape, and electrical signals obtained from the two light-receiving elements are compared by a differential amplifier circuit to detect displacement of the tape in the width direction. A device for detecting displacement in the width direction of a running tape. 2. The light irradiating the tape is in a path/L/path shape,
Registration of a utility model characterized in that an alternating current component is extracted by a capacitive element from the electric signal obtained from each of the two light-receiving elements, and the magnitude of each of the alternating current components is compared by a differential amplifier circuit. A running tape widthwise displacement detecting device according to claim 1.