Joseph K. Lee

Multi-level digital data regeneration system

Clock extraction and data regeneration logic for multiple speed data communications systems

Token ring speed detector

Multiple group address recognition

Frame stripping protocol for early token release in a ring communication network

Fast communication link bit error rate estimator

Multi-frame transmission control for token ring networks

Real-time ring bandwidth utilization calculator, calculating bandwidth utilization based on occurrences of first and second predetermined bit patterns

Multi-frame stripping protocol for token ring networks

Real-time ring bandwidth utilization calculator by sampling over a selected interval latch's states set by predetermined bit pattern on the transmission medium