Universal TV interface for switch of broadcast video distributio
Universal vehicle based garage door opener control system...
Universal wideband switchless channel selector
Universal wireless communication system, a transmission protocol
Universal wireless telephone to modem adapter
Unlicensed wireless communications base station to...
Unlocking attenuator for automatic tuning receiver
Unmanned lighter-than-air safe termination and recovery methods
Unsolicited wireless content delivery and billing apparatus...
Unsolicited wireless content delivery and billing apparatus...
Unstructured supplementary service data from a home location reg
Unsuccessful call alert
Unsuitable cell exclusion in wireless communication systems
Untethered microphone and base unit
Up converted home base station
Up converter mixer linearization improvement
Up converter of base station transmitter in wireless...
Up link macro diversity method and apparatus in a digital mobile
Up-conversion homodyne receiver for cable television converter w
Up-conversion mixing system with high carrier suppression