JPS58125277A

JPS58125277A - Cassette

Info

Publication number: JPS58125277A
Application number: JP605682A
Authority: JP
Inventors: Michihisa Arai; 新井　迪久; Nobutoshi Sone; 曽根　信敏; Toshiaki Watanabe; 俊昭渡辺; Yoshiro Nishikawa; 西川　義朗
Original assignee: Individual
Current assignee: Individual
Priority date: 1982-01-20
Filing date: 1982-01-20
Publication date: 1983-07-26

Abstract

PURPOSE:To erase recorded information just after reproducing, by bringing a recording face into contact with an erasing magnet while a magnetic tape is reproduced and is taken up with a reel. CONSTITUTION:While a tape 2 is supplied from a reel 1 and is wound up around a reel 7, recorded information is reproduced by a head 9, and the tape 2 is brought into contact with a magnet 10 to erase recorded information, and thus, information is reproduced only once. Thus, this method is suitable for information such as secret information which should not be reproduced plural times.

Description

【発明の詳細な説明】この発明蝶、コンノクトカセット、ビデオカセット等、
いわゆ今カセ、トのテープに磁気記録された情報を、唯
一回だけ再生できるようにすることを目的とする。すな
わち、？ｊｉ鋏情報を再生終了直後に、カセット内に設
けた磁石により消去することが、本発明の目的である。[Detailed description of the invention] This invention butterfly, connoct cassette, video cassette, etc.
The purpose is to make it possible to reproduce information magnetically recorded on a so-called cassette tape only once. In other words? It is an object of the present invention to erase the ji scissors information using a magnet provided in the cassette immediately after the playback is completed.

以下に、本発明の詳細な説明する。The present invention will be explained in detail below.

第１図はコン／ダクトカセットに本願発明を適用した状
態を示す。FIG. 1 shows a state in which the present invention is applied to a conductor/duct cassette.

リールＩＫ巻かれているチーｆ２は、記録されている情
報をレコーダ等によシ再生する場合に、カセット内に植
立されたガイドビン３、カセット内に設けられたガイド
リール４．５、ガイドビン６を願次軽由してリール７に
巻きとられる。この場合のテープの走行方向線矢印１５
によって示される。８は、カセット外から挿入され、カ
セット内に設けられたΔラド９と共にテープ２を挾持し
、テープの記録内容を再生するヘッドである。When reproducing the recorded information on a recorder, etc., the reel IK winding Q2 is used for the guide bin 3 set in the cassette, the guide reel 4.5 provided in the cassette, and the guide The bottle 6 is moved around and wound onto the reel 7. In this case, the tape running direction line arrow 15
Indicated by A head 8 is inserted from outside the cassette, holds the tape 2 together with a Δrad 9 provided inside the cassette, and plays back the recorded contents of the tape.

ｌＯはガイドビン６近傍に設けられ、テープ２の磁気記
録面に接触してｉる消去用磁石である。1O is an erasing magnet provided near the guide bin 6 and in contact with the magnetic recording surface of the tape 2.

チーｆ２がリールｌから繰り出され　リール７に巻きと
られる間に、チーｆ２に磁気記録された情報はヘッド９
によって電気的に取シ出された後、磁石ｌＯによって完
全に消去される。While the chip f2 is unwound from the reel L and wound onto the reel 7, the information magnetically recorded on the chip f2 is transferred to the head 9.
After being electrically extracted by the magnet IO, it is completely erased by the magnet IO.

消去用磁石１０はチーｆ２の全トラ、りに記録された情
報を消去すべく磁化してもよりが、第２図に示すように
磁化部分１０１と非磁化部分１０ｂとに分離接合し、所
望の消去すべきトラックのみを消去できるように構成す
ることも可能である。The erasing magnet 10 may be magnetized to erase the information recorded on all the tracks of the chip f2, but as shown in FIG. It is also possible to configure so that only the tracks to be erased can be erased.

第１図の実施例においては消去用磁石をガイドピン６近
傍のみに設けたが、ガイドビン３近傍にも設けて矢印１
５とは反対のチーブ走行方向についても、記録情報を再
生後消去するようにすることができる。この場合は、消
去用磁石の構造は消去すべ睡トラ、り（対応させるべき
ことはもちろんである。In the embodiment shown in FIG. 1, the erasing magnet was provided only near the guide pin 6, but it was also provided near the guide bin 3, as indicated by the arrow.
The recorded information can also be erased after reproduction in the direction of travel opposite to that of 5. In this case, the structure of the erasing magnet should of course correspond to the erasing magnet.

消去用磁石は第２図に示すよう罠、カセットの対向する
ケース２０．２０の間に挾持させてもよいし、ケース２
０．２０’の一方に穴１１を設け、ふた１２に固着した
消去用磁石を第３図のように穴１１から挿入して固定さ
せてもよい。The erasing magnet may be held between the opposing cases 20 and 20 of the trap and cassette as shown in FIG.
A hole 11 may be provided in one of the 0.20' holes, and an erasing magnet fixed to the lid 12 may be inserted through the hole 11 and fixed as shown in FIG.

第１図の実施例ではコン／４クトカセ、トの場合を示し
たが、ビデオカセット、Ｌカセ、ト等にも本発明が適用
できることはもちろんである。Although the embodiment shown in FIG. 1 shows the case of a computer/4-channel cassette, G, it goes without saying that the present invention can also be applied to video cassettes, L cassettes, G, and the like.

本発明によれば、磁気記録体の記録情報を唯一回だけ取
シ出すことができる構成を極めて簡単に安価に実現する
ことができ、愛の告白、秘密情報等、複数回の再生に適
さない情味を記録するのに極めて有用である。According to the present invention, it is possible to realize a configuration in which recorded information on a magnetic recording medium can be retrieved only once, very simply and inexpensively, and is not suitable for multiple reproductions of confessions of love, secret information, etc. Extremely useful for recording emotions.

[Brief explanation of the drawing]

第１図は本発明の実施例であるカセットの平面図、第２
図、第３図は本発明の実施例の要部断面図。３．６・・・ガイド、ｌＯ・・・消去用磁石。咎詳ν転　１ｒ　η走ＸｌＵ林Fig. 1 is a plan view of a cassette which is an embodiment of the present invention;
3 are sectional views of essential parts of an embodiment of the present invention. 3.6... Guide, lO... Erasing magnet. Toga detailed ν turn 1r η running XlU Hayashi

Claims

[Claims] (Li) In a cassette containing a magnetic recording tape, a magnet is arranged in the cassette so as to come into contact with the magnetic recording surface of the magnetic recording tape while the magnetic recording tape is unwound from a reel and wound up. (2) A cassette according to claim (1), characterized in that a magnet is brought into contact with a track or corner of a magnetic recording tape on which information to be erased is recorded. (3) The cassette according to claim (1), characterized in that a magnet insertion hole is provided in the cassette case.
to .