发明申请
US20110057038A1 ANTENNA, AND RADIO FREQUENCY IDENTIFYING DEVICE AND METHOD 失效
天线和无线电频率识别装置及方法

ANTENNA, AND RADIO FREQUENCY IDENTIFYING DEVICE AND METHOD
摘要:
A radio frequency identifying device minimizes a null point area within a radiation pattern by horizontally or vertically vibrating an antenna plate radiating a radio frequency beam by using at least one vibration motor.
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