| Patent | Date |
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Transmitting Data Through Commuincation Switch
App 20090141719 - Roy; Subhash C. ; et al. | 2009-06-04 |
Integrated circuit for programmable optical delay
Grant 7,409,120 - Taylor , et al. August 5, 2 | 2008-08-05 |
SONET/SDH SPE/virtual container retiming with adaptive dual pointer leak rate computation
Grant 7,349,444 - Upp , et al. March 25, 2 | 2008-03-25 |
Optoelectronic clock generator producing high frequency optoelectronic pulse trains with variable frequency and variable duty cycle and low jitter
Grant 7,333,733 - Taylor , et al. February 19, 2 | 2008-02-19 |
Integrated circuit for programmable optical delay
App 20070019900 - Taylor; Geoff W. ; et al. | 2007-01-25 |
Photonic sigma delta analog-to-digital conversation employing dual heterojunction thyristors
Grant 7,064,697 - Taylor , et al. June 20, 2 | 2006-06-20 |
SONET/SDH SPE/virtual container retiming with adaptive dual pointer leak rate computation
App 20060039415 - Upp; Daniel C. ; et al. | 2006-02-23 |
Optoelectronic device employing at least one semiconductor heterojunction thyristor for producing variable electrical/optical delay
Grant 6,954,473 - Dehmubed , et al. October 11, 2 | 2005-10-11 |
Interference cancellation system employing photonic sigma delta modulation and optical true time delay
App 20040146237 - Taylor, Geoff W. ; et al. | 2004-07-29 |
Optoelectronic clock generator producing high frequency optoelectronic pulse trains with variable frequency and variable duty cycle and low jitter
App 20040081467 - Taylor, Geoff W. ; et al. | 2004-04-29 |
Optoelectronic device employing at least one semiconductor heterojunction thyristor for producing variable electrical/optical delay
App 20040081216 - Dehmubed, Rohinton ; et al. | 2004-04-29 |
Network switch which supports TDM, ATM, and variable length packet traffic and includes automatic fault/congestion correction
Grant 6,646,983 - Roy , et al. November 11, 2 | 2003-11-11 |
Method for switching ATM, TDM, and packet data through a single communications switch
Grant 6,636,515 - Roy , et al. October 21, 2 | 2003-10-21 |
Method of multicasting data through a communications switch
Grant 6,636,511 - Roy , et al. October 21, 2 | 2003-10-21 |
Method and apparatus for switching ATM, TDM, and packet data through a single communications switch while maintaining TDM timing
Grant 6,631,130 - Roy , et al. October 7, 2 | 2003-10-07 |
Methods and apparatus for retiming and realigning sonet signals
App 20020154659 - Singh, Kumar Shakti ; et al. | 2002-10-24 |
Methods and apparatus for managing traffic in an atm network
Grant 6,243,359 - Roy , et al. June 5, 2 | 2001-06-05 |
Asynchronous data transfer and source traffic control system
Grant 6,104,724 - Upp August 15, 2 | 2000-08-15 |
Asynchronous data transfer and source traffic control system
Grant 5,901,146 - Upp May 4, 1 | 1999-05-04 |
Closed loop clock recovery for synchronous residual time stamp
Grant 5,608,731 - Upp , et al. March 4, 1 | 1997-03-04 |
Method and apparatus for the high speed modification of a packet address field of a transmitted packet in a frame relay system
Grant 5,191,582 - Upp March 2, 1 | 1993-03-02 |
Apparatus for generating a DS-3 signal from the data component of an STS-1 payload signal
Grant 5,157,655 - Hamlin, Jr. , et al. October 20, 1 | 1992-10-20 |
Method and means for transferring a data payload from a first SONET signal to a SONET signal of different frequency
Grant 5,142,529 - Parruck , et al. August 25, 1 | 1992-08-25 |
System for cross-connecting high speed digital signals
Grant 5,040,170 - Upp , et al. August 13, 1 | 1991-08-13 |
Clock dejitter circuit for regenerating DS1 signal
Grant 5,033,064 - Upp July 16, 1 | 1991-07-16 |
Virtual tributary cross connect switch and switch network utilizing the same
Grant 4,998,242 - Upp March 5, 1 | 1991-03-05 |
System for cross-connecting high speed digital SONET signals
Grant 4,967,405 - Upp , et al. October 30, 1 | 1990-10-30 |
Switch components and multiple data rate non-blocking switch network utilizing the same
Grant 4,914,429 - Upp April 3, 1 | 1990-04-03 |
Digital switching systems employing multi-channel frame association apparatus
Grant 4,608,684 - Upp August 26, 1 | 1986-08-26 |
Duplex transmission mechanism for digital telephones
Grant 4,598,396 - Upp , et al. July 1, 1 | 1986-07-01 |
Telephone line circuit and system
Grant 4,456,991 - Chea, Jr. , et al. June 26, 1 | 1984-06-26 |
Diagnostic system for a distributed control switching network
Grant 4,439,826 - Lawrence , et al. March 27, 1 | 1984-03-27 |
Trilateral duplex path conferencing system with broadcast capability
Grant 4,293,946 - Kuras , et al. October 6, 1 | 1981-10-06 |
Multiport digital switching element
Grant 4,201,890 - Lawrence , et al. May 6, 1 | 1980-05-06 |
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