发明名称 Cordless telephone
摘要 A multichannel access cordless telephone has a base unit and a handset unit which, in a standby mode, each independently scan a plurality of communication channels to detect interference thereon and to record those channels on which interference is detected. Thereafter, in a talk mode of the cordless telephone, one of the base unit and the handset unit scans the communication channels other than the detected ones previously recorded to detect a vacant one of the communication channels and to establish communication between the handset unit and the base unit thereover.
申请公布号 US4768219(A) 申请公布日期 1988.08.30
申请号 US19870071204 申请日期 1987.07.08
申请人 SONY CORPORATION 发明人 YAMAGATA, MASATO;TABE, KAZUSHI
分类号 H04Q7/28;H03J7/18;H04B1/40;H04B7/26;H04M1/00;H04M1/725;H04Q7/20;H04Q7/26;H04Q7/38;(IPC1-7):H04Q7/04 主分类号 H04Q7/28
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