Issued Patents All Time
Showing 25 most recent of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7409120 | Integrated circuit for programmable optical delay | Geoff W. Taylor, Jianhong Cai | 2008-08-05 |
| 7349444 | SONET/SDH SPE/virtual container retiming with adaptive dual pointer leak rate computation | Suvhasis Mukhopadhyay, Bart Brosens, Kris Van Aken, Chitra Wadhwa, Sachin Mathur +1 more | 2008-03-25 |
| 7333733 | Optoelectronic clock generator producing high frequency optoelectronic pulse trains with variable frequency and variable duty cycle and low jitter | Geoff W. Taylor, Rohinton S. Dehmubed | 2008-02-19 |
| 7064697 | Photonic sigma delta analog-to-digital conversation employing dual heterojunction thyristors | Geoff W. Taylor, Jianhong Cai | 2006-06-20 |
| 6954473 | Optoelectronic device employing at least one semiconductor heterojunction thyristor for producing variable electrical/optical delay | Rohinton S. Dehmubed, Geoff W. Taylor, Jianhong Cai | 2005-10-11 |
| 6646983 | Network switch which supports TDM, ATM, and variable length packet traffic and includes automatic fault/congestion correction | Subhash Roy, Santanu Das, William B. Lipp, Jitender K. Vij, Michael M. Renault | 2003-11-11 |
| 6636511 | Method of multicasting data through a communications switch | Subhash Roy, Michael M. Renault, Frederick R. Carter, David Toebes, Rajen S. Ramchandani | 2003-10-21 |
| 6636515 | Method for switching ATM, TDM, and packet data through a single communications switch | Subhash Roy, Santanu Das, William B. Lipp, Jitender K. Vij, Michael M. Renault +2 more | 2003-10-21 |
| 6631130 | Method and apparatus for switching ATM, TDM, and packet data through a single communications switch while maintaining TDM timing | Subhash Roy, William B. Lipp, Steven Benoit, Michael M. Renault | 2003-10-07 |
| 6577651 | Methods and apparatus for retiming and realigning sonet signals | Kumar Shakti Singh, Pawan Goyal, Arnab Basak, Vikas Kumar | 2003-06-10 |
| 6463111 | Method and apparatus for desynchronizing a DS-3 signal and/or an E3 signal from the data portion of an STS-STM payload | — | 2002-10-08 |
| 6243359 | Methods and apparatus for managing traffic in an atm network | Subhash Roy, William B. Lipp, Alberto Bricca | 2001-06-05 |
| 6104724 | Asynchronous data transfer and source traffic control system | — | 2000-08-15 |
| 5901146 | Asynchronous data transfer and source traffic control system | — | 1999-05-04 |
| 5608731 | Closed loop clock recovery for synchronous residual time stamp | Dan H. Wolaver | 1997-03-04 |
| 5568060 | Circuit board insertion circuitry for high reliability backplanes | William G. Bartholomay, Eugene L. Parrella, Mikio S. Ichiba | 1996-10-22 |
| 5548534 | Two stage clock dejitter circuit for regenerating an E4 telecommunications signal from the data component of an STS-3C signal | — | 1996-08-20 |
| 5297180 | Digital clock dejitter circuits for regenerating clock signals with minimal jitter | Dan H. Wolaver | 1994-03-22 |
| 5289507 | Clock dejitter circuits for regenerating jittered clock signals | — | 1994-02-22 |
| 5191582 | Method and apparatus for the high speed modification of a packet address field of a transmitted packet in a frame relay system | — | 1993-03-02 |
| 5157655 | Apparatus for generating a DS-3 signal from the data component of an STS-1 payload signal | Robert W. Hamlin | 1992-10-20 |
| 5142529 | Method and means for transferring a data payload from a first SONET signal to a SONET signal of different frequency | Bidyut Parruck | 1992-08-25 |
| 5119326 | Waveshaping transversal filter and method utilizing the same for data transmission over coaxial cable | William T. Cochran, Joseph R. Yudichak | 1992-06-02 |
| 5040170 | System for cross-connecting high speed digital signals | William T. Cochran | 1991-08-13 |
| 5033064 | Clock dejitter circuit for regenerating DS1 signal | — | 1991-07-16 |