发明名称 Method for prompting at a digital telephone station
摘要 The present invention is directed to a method for user prompting at a digital telephone station, comprising a twelve-key keyboard for subscriber selection and further keys, here eight, for subscriber services, and comprising a display for written or oral messages deposited in a mailbox assigned to the telephone station an a one-line or multi-line display, and whereby at least a portion of the keys can be represented on a touch sensitive liquid crystal surface in the form of pictograms.
申请公布号 US4776002(A) 申请公布日期 1988.10.04
申请号 US19870062671 申请日期 1987.06.16
申请人 SIEMENS AKTIENGESELLSCHAFT 发明人 KAMMERL, ANTON
分类号 H04M1/247;H04M3/42;H04M3/533;(IPC1-7):H04M1/64 主分类号 H04M1/247
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