发明名称 PORTABLE COMMUNICATIONS AND DATA TERMINAL OPERATING TO OPTIMIZE RECEIPT OF BOTH INCOMING CDPD AND AMPS MESSAGES
摘要 A portable radio telephone handset (22, 100) having a radio control (108) operates as a data transfer terminal as well as an analog cellular telephone subscriber station. Two modes of operation, an analog cellular communication mode (210) and a Cellular Digital Packet Data (CDPD) mode (206), are available in the handset (22, 100). The handset (22, 100) distinguishes between paging signals indicating CDPD mode communications and those indicating analog cellular communications.
申请公布号 WO9641491(A1) 申请公布日期 1996.12.19
申请号 WO1996US08021 申请日期 1996.05.30
申请人 PACIFIC COMMUNICATION SCIENCES, INC. 发明人 CASHMAN, RUSSELL, P.
分类号 H04L12/28;H04L12/56;H04W36/08;H04W68/00;H04W76/04;H04W88/06;(IPC1-7):H04Q7/22 主分类号 H04L12/28
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