Work helmet having transmitter-receiver for light signal
Wrist band with embedded antenna
Wrist mounted communicator
Wristband with loop antenna
Wristwatch band with radio antenna
Wristwatch radio communication device having an improved noise s
Wristwatch radio communication device having an improved noise s
Wristwatch receiver architecture
Wristwatch-type communication device and antenna therefor
Wristwatch-type selective calling receiver
Zero if down converter with even order harmonic suppression
Zero if radio receiver for intermittent operation
Zero IF receiver employing, in quadrature related signal paths,
Zero IF receivers
Zero intermediate frequency noise blanker
Zero intermediate frequency receiver having an automatic gain co
Zero-IF receiver wih feedback loop for suppressing interfering s
Zerox-IF receiver with tracking second local oscillator and demo