Invention Grant
US08018983B2 Tunable diversity antenna for use with frequency hopping communications protocol 有权
可调谐分集天线,用于跳频通信协议

Tunable diversity antenna for use with frequency hopping communications protocol
Abstract:
A sound reproducing device. The sound reproducing device for receiving a frequency-hopping signal having an instantaneous frequency within a hopping bandwidth. The sound reproducing device comprises a first antenna having a bandwidth including the hopping bandwidth for producing a first received signal and a second antenna tunable to frequencies within the hopping bandwidth responsive to an instantaneous hopping frequency. The second antenna produces a second received signal. The device further comprises a module for processing one or both of the first and second received signals to produce a signal for driving the sound reproducing device.
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