DAC based switching power amplifier
Dama type satellite communication system using non-overlapped mu
Damping modulation circuit for a full-duplex transponder
Dark fiber switched bandwidth filter
Data access in a telephone system
Data acquisition using telephone connection
Data adapter unit for infrared communications
Data and message retrieval communications system including remot
Data and voice cordless telephone system
Data boundary aware base station assisted position location
Data bridge
Data broadcasting system, receiving terminal device,...
Data buddy
Data capable radio communication console
Data carrier designed for contactless communication and...
Data carrier system
Data carrier with controllable supply voltage generation means
Data carrier with modification means for modifying the load...
Data communication apparatus
Data communication apparatus