发明名称 PORTABLE HANDSETS
摘要 Title: Portable Handsets A portable handset includes a burst mode radio transmitter/receiver unit having an antenna (14). The handset carries a screening plate (16) to screen a user's hearing aid (20) from the radio frequency power produced by the antenna (14) of the unit.
申请公布号 CA2022958(A1) 申请公布日期 1992.02.10
申请号 CA19902022958 申请日期 1990.08.09
申请人 GREENWOOD, MARTIN;BOOTHMAN, ALAN 发明人 GREENWOOD, MARTIN;BOOTHMAN, ALAN
分类号 H01Q1/24;(IPC1-7):H04M1/00 主分类号 H01Q1/24
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