发明名称 Dual redundant electronic postage meter
摘要 A dual redundant electronic postage meter and associated method is provided for increasing the reliability of meter operation, comprising a first meter module including triple redundant memory technique/dual redundant means and dual redundant microprocessor means, a second meter module including triple redundant rechniques/dual redundant memory means and dual redundant microprocessor means, the dual redundant microprocessor means of the first meter module selectively communicating with a data entry means and external output means, and the dual redundant microprocessor means of the second meter module selectively communicating with the data entry means and the external output means, the second meter module being activiated in response to a failure in the operation of the first meter module.
申请公布号 US5029093(A) 申请公布日期 1991.07.02
申请号 US19900554944 申请日期 1990.07.16
申请人 PITNEY BOWES INC. 发明人 WIENER, PATRICIA P.
分类号 B41J3/44;G06F11/16;G06Q50/00;G07B17/00 主分类号 B41J3/44
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