Delay-in-frames correcting system in a PCM transmission line

Derivation of VT group clock from SONET STS-1 payload clock and

Device and a method for switching data frames

Device and method for equalizing data delays

Device and method for mobile station for receiving signals...

Device and method for retrieving/storing electronic data in...

Device and method for transmission in a switch

Device control apparatus having input device selection switch wi

Device for binary data transfer between a time-division multiple

Device for communication

Device for emitting the response of a synchronous system to...

Device for use in a communication network router to select...

Digital communication system with intelligent channel units

Digital cross-connect

Digital cross-connect

Digital cross-connect system

Digital cross-connect system employing patch access locking...

Digital down converter and method

Digital loop carrier apparatus for large volume digital signal t

Digital switch