JPS60192103U

JPS60192103U - Cassette magnetic tape erasing device

Info

Publication number: JPS60192103U
Application number: JP7819284U
Authority: JP
Inventors: 片平　孝
Original assignee: 三菱電機株式会社
Priority date: 1984-05-28
Filing date: 1984-05-28
Publication date: 1985-12-20

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 drawings]

第１図は電子計算機とカセット磁気テープ上Ｃ情報の消
去機能の他に、不必要な情報の書き込み７　　機能と読
み出し機能を有する従来のカセット磁気、　　テープ装
置の図、第２図はカセット磁気テープ上衣　　に記録し
た情報を安価に消去できるこの考案によ−るカセット磁
気テープ消去装置の図である。図中　　　′＝　　１は
電子計算機、５は書き込み回路、７は書き込”　　みヘ
ッド、９は読み出しヘッド、１１は読み出し！　　回路
、１５は消去回路、１７は消去ヘッド、１８−　　はカ
セット磁気テープ装置、−１９は消去開始指示〉　　器
、２０は消去命令発生器、２２は終端検出器、である。なお、図中同一あるいは相当部分には同一符号を付して
示しである。〉Figure 1 is a diagram of a conventional cassette magnetic tape device that has functions for writing and reading unnecessary information in addition to the function of erasing information on a computer and cassette magnetic tape. Figure 2 is a diagram of a cassette magnetic tape. This is a diagram of a cassette magnetic tape erasing device based on this invention, which allows information recorded on a jacket to be erased at low cost. In the figure, 1 is an electronic computer, 5 is a write circuit, 7 is a write head, 9 is a read head, 11 is a read! circuit, 15 is an erase circuit, 17 is an erase head, 18- is a cassette magnetic tape device , -19 is an erase start instruction device, 20 is an erase command generator, and 22 is an end detector. Note that the same or corresponding parts in the figure are indicated by the same reference numerals.

Claims

[Scope of utility model registration request]

In a cassette tape erasing device, Z-set magnetic tape, which is a thin ribbon-shaped tape coated with magnetic material, is moved near the magnetic head to erase information that has already been recorded, and the Z-set magnetic tape is instructed to start erasing. an erasing start indicator for erasing, an erasing circuit for creating a current for erasing, an erasing head for applying an erasing current to the cassette magnetic tape to erase information, etc. on the cassette magnetic tape, and an end of the cassette magnetic tape. A cassette magnetic tape erasing device comprising: a termination detector for detecting a cassette magnetic tape erasing device;