发明名称 CARD BED AND MEANS OF RETENTION
摘要 FIELD: data processing. SUBSTANCE: card bed uses plates or strips of soft magnetic material with a high resistance to eddy currents serving as a means of retention of magnetic patterns on strip domains arranged on the bed cards. The card strip domains are engageable with or are in close magnetic proximity to the means of retention. EFFECT: improved design. 14 cl, 1 dwg
申请公布号 RU2104877(C1) 申请公布日期 1998.02.20
申请号 SU19905010288 申请日期 1990.07.19
申请人 RICHARD LOURENS GODFRI[GB] 发明人 RICHARD LOURENS GODFRI
分类号 B42D15/10;A45C;A45C11/18;B42D107/00;G11B23/02;(IPC1-7):B42D15/10 主分类号 B42D15/10
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