Apparatus evaluating the data rates of virtual circuits occupyin

Apparatus for accomplishing autoport selection

Apparatus for adapting message protocols for a switch network an

Apparatus for and method of collating partitioned time disordere

Apparatus for and method of temporary termination of a communica

Apparatus for attenuating the echo signal in telephone fork circ

Apparatus for avoiding spectrum spreading when switching a trans

Apparatus for combining broadband and baseband signal transmissi

Apparatus for communicating program information corresponding to

Apparatus for communicating with a fleet of vehicles

Apparatus for connecting digital terminals to a digital exchange

Apparatus for connecting multiplex transmission systems

Apparatus for connecting two fiber distributed data interface ri

Apparatus for constructing data frames for transmission over a d

Apparatus for controlling ATM cell generation rate

Apparatus for controlling the receive and transmit frequency of

Apparatus for coupling signals to or from a two-wire line

Apparatus for coupling signals to or from a two-wire line

Apparatus for data communication between universal asynchronous

Apparatus for detecting in-band single frequency signaling tones