Echo cancelling system
Echo compensation device and 4/2-wire interface having such an e
Echo controlling apparatus of video conferencing system and...
Echo detection, tracking, cancellation and noise fill in real ti
Echo measurement arrangement
Echo removing apparatus
Electric power circuit for telephone set use
Electrical receptacle with open corner region
End office of a telephone system with a zero loss plan
Enhanced echo canceller for digital cellular application
Enhanced synchronous rectifier
External resistor and method to minimize power dissipation in DC
Filter arrangement for shaping a pulse propagated over POTS...
Flash-cut of speech processing features in a telephone call
Frequency offset estimator for data modem
Full-duplex speakerphone circuit including a control interface
High bandwidth phone line transceiver with capacitor isolation
High circuit density pots splitter assembly
IIR filter of adaptive balance circuit for long tail echo...
Insulation strip for a pots splitter card