Isolated high impedance, DC current sources for telecommunicatio
Local loop telecommunication repeater housing having...
Local loop telecommunication repeater housings employing...
Local loop telecommunication repeater housings employing...
Local loop telecommunication repeater housings employing...
Method and system for a redirect repeater providing network...
Method and system for providing extended reach of a digital...
Methods and apparatus for providing reciprocal impedance convers
Pulse receiver circuit providing longitudinal balance
Signal level adjustment arrangement
Signal matching apparatus for exchanging signals between an...
Signal processing unit for network interface unit
Signal repeater for multi subscriber communication over single p
System for efficiently powering repeaters in small diameter cabl
Systems and methods for controlling telephone sound enhancement
Telecommunications system
Telephone circuit with a class-B amplifier output stage
Telephone having improved hands free operation audio quality...
Terminal repeater having a function for repeating DC loop signal
Transmission of a clock by a capacitive isolating barrier