MAGNETIC DISPLAY ERASER

MAGNETIC DISPLAY ERASER

A magnetic display erasing apparatus is provided wherein the distance by which an erasing head is moved when an unerasing operation is to be performed can be made as short as possible, thereby allowing the apparatus to be miniaturized and variously designed. A magnetic stripe (6) and a magnetic disp...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: URUSHIBATA, KIYOSHI
Format: Patent
Sprache:eng
Schlagworte:
ADVERTISING
BOOK COVERS
BOOKBINDING
CALCULATING
COMPUTING
COUNTING
CRYPTOGRAPHY
DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR
DISPLAY
DISPLAYING
EDUCATION
FILES
HANDLING RECORD CARRIERS
LABELS OR NAME-PLATES
LOOSE LEAVES
MOVABLE-STRIP WRITING OR READING APPARATUS
PERFORMING OPERATIONS
PHYSICS
PRESENTATION OF DATA
PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES
PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR
RECOGNITION OF DATA
RECORD CARRIERS
SEALS
SIGNS
SPECIAL PRINTED MATTER
TRANSPORTING
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Beschreibung
Zusammenfassung:A magnetic display erasing apparatus is provided wherein the distance by which an erasing head is moved when an unerasing operation is to be performed can be made as short as possible, thereby allowing the apparatus to be miniaturized and variously designed. A magnetic stripe (6) and a magnetic display sheet (3) are formed on a magnetic card (4). An erasing head (1) is disposed on the side of the back face of the magnetic card (4) which is conveyed. During an erasing operation, a magnetic field which is substantially parallel is formed at the position where the magnetic display sheet (3) passes. When the magnetic display sheet (3) is not to be erased, the erasing head (1) is retracted from a card convey path and then housed in a magnetic shield (5) so as to be hermetically sealed. Accordingly, the magnetic field from the erasing head (1) is weakened and cannot reach the magnetic display sheet (3).