| Patent | Date |
|---|
System and method for automatic diagnosis of impairments in a digital quadrature amplitude modulated signal
Grant 7,991,044 - Brown , et al. August 2, 2 | 2011-08-02 |
Test system with user selectable channel
Grant 7,885,195 - Volpe , et al. February 8, 2 | 2011-02-08 |
System For Testing The Upstream Channel Of A Cable Network
App 20100146367 - Jaworski; Richard C. ; et al. | 2010-06-10 |
System for testing the upstream channel of a cable network
Grant 7,721,162 - Jaworski , et al. May 18, 2 | 2010-05-18 |
Telecommunications transmissions test set
Grant 7,656,807 - Chang , et al. February 2, 2 | 2010-02-02 |
Internet Accessible Test System
App 20090287964 - Morris; John R. | 2009-11-19 |
Communication Signal Characteristic Measurement System
App 20090254956 - Smychkovich; Boris ; et al. | 2009-10-08 |
Full-band optical spectrum analyzer and method
Grant 7,595,888 - Chang , et al. September 29, 2 | 2009-09-29 |
Broad- and inter-band multi-wavelength-reference method and apparatus for wavelength measurement or monitoring systems
Grant 7,589,840 - Zeng September 15, 2 | 2009-09-15 |
Test System With Return Sweep Level Setting
App 20090213737 - Potter; Gregory R. | 2009-08-27 |
Test System With User Selectable Channel
App 20090213738 - Volpe; Brady ; et al. | 2009-08-27 |
Remote test unit
Grant 7,554,926 - Chong June 30, 2 | 2009-06-30 |
System For Testing The Upstream Channel Of A Cable Network
App 20090147671 - Jaworski; Richard C. ; et al. | 2009-06-11 |
Wireless Network Profiling System
App 20090149173 - Tolaio; Michael | 2009-06-11 |
Display System
App 20090140992 - Tolaio; Michael | 2009-06-04 |
System and method for testing the upstream channel of a cable network
Grant 7,509,542 - Jaworski , et al. March 24, 2 | 2009-03-24 |
Optical signal measurement system
Grant 7,499,182 - Zeng , et al. March 3, 2 | 2009-03-03 |
Scalable extensible network test architecture
Grant 7,447,921 - Joo , et al. November 4, 2 | 2008-11-04 |
Method and apparatus for spectrum deconvultion and reshaping
Grant 7,409,115 - Zeng , et al. August 5, 2 | 2008-08-05 |
Method and apparatus for testing network data signals in a wavelength division multiplexed optical network
Grant 7,386,231 - King , et al. June 10, 2 | 2008-06-10 |
System and method for monitoring a packet network
Grant 7,382,735 - Chong June 3, 2 | 2008-06-03 |
Full-band Optical Spectrum Analyzer And Method
App 20080100827 - Chang; Paul ; et al. | 2008-05-01 |
Method and apparatus utilizing tunable differential group delay
Grant 7,366,414 - Zeng , et al. April 29, 2 | 2008-04-29 |
Full-band optical spectrum analyzer and method
Grant 7,340,127 - Chang , et al. March 4, 2 | 2008-03-04 |
Network Profiling System Having Physical Layer Test System
App 20070258484 - Tolaio; Michael | 2007-11-08 |
Tactile Display Locking And Marker System
App 20070257895 - Tolaio; Michael | 2007-11-08 |
Integrated Spectrum Analyzer And Vector Network Analyzer System
App 20070259625 - Tolaio; Michael ; et al. | 2007-11-08 |
Network Profiling System Having Nonphysical Layer Test System
App 20070258483 - Tolaio; Michael | 2007-11-08 |
Test meter
Grant D553,029 - Chang October 16, 2 | 2007-10-16 |
Ingress monitoring system and method
Grant 7,254,827 - Terreault August 7, 2 | 2007-08-07 |
Optical Signal Measurement System
App 20070159638 - Zeng; Ke-Cai ; et al. | 2007-07-12 |
Method and apparatus for measuring jitter
Grant 7,236,555 - Brewer June 26, 2 | 2007-06-26 |
Remote Test Unit
App 20070121792 - Chong; Raymond L. | 2007-05-31 |
Remote test unit
Grant 7,212,496 - Chong May 1, 2 | 2007-05-01 |
Method And Apparatus For Spectrum Deconvolution And Reshaping
App 20060291775 - Zeng; Ke-Cai ; et al. | 2006-12-28 |
Method and apparatus for detecting and quantifying impairments in QAM signals
Grant 7,142,609 - Terreault , et al. November 28, 2 | 2006-11-28 |
Method and apparatus for spectrum deconvolution and reshaping
Grant 7,113,666 - Zeng , et al. September 26, 2 | 2006-09-26 |
System and method for testing the upstream channel of a cable network
Grant 7,010,730 - Jaworski , et al. March 7, 2 | 2006-03-07 |
System And Method For Testing The Upstream Channel Of A Cable Network
App 20060048200 - Jaworski; Richard C. ; et al. | 2006-03-02 |
Signal leakage detector
Grant 6,980,163 - Terreault , et al. December 27, 2 | 2005-12-27 |
Method and apparatus for spectrum deconvolution and reshaping
App 20050271386 - Zeng, Ke-Cai ; et al. | 2005-12-08 |
Telecommunications transmissions test set
App 20050249332 - Chang, Paul ; et al. | 2005-11-10 |
Scalable extensible network test architecture
App 20050232159 - Joo, Jeong Eun ; et al. | 2005-10-20 |
Method and apparatus for providing controllable second-order polarization mode dispersion
Grant 6,928,201 - Zeng August 9, 2 | 2005-08-09 |
Method and apparatus for measuring jitter
App 20050163204 - Brewer, Symon | 2005-07-28 |
Telecommunications transmission test set
Grant 6,917,595 - Chang , et al. July 12, 2 | 2005-07-12 |
Scalable extensible network test architecture
Grant 6,898,720 - Joo , et al. May 24, 2 | 2005-05-24 |
Telecommunications transmission test set
Grant 6,891,803 - Chang , et al. May 10, 2 | 2005-05-10 |
Digital subscriber line access and network testing multiplexer
Grant 6,873,685 - Chong March 29, 2 | 2005-03-29 |
Serial unit identification
Grant 6,775,726 - Chong August 10, 2 | 2004-08-10 |
System and method for monitoring a packet network
App 20040151127 - Chong, Raymond L. | 2004-08-05 |
System and method for monitoring a packet network
Grant 6,738,353 - Chong May 18, 2 | 2004-05-18 |
Method and apparatus for providing tunable second-order polarization mode dispersion with constant mean first-order differential group delay
Grant 6,707,587 - Zeng March 16, 2 | 2004-03-16 |
Telecommunications transmission test set
App 20030048756 - Chang, Paul ; et al. | 2003-03-13 |
Digital subscriber line access and network testing multiplexer
Grant 6,434,221 - Chong August 13, 2 | 2002-08-13 |
Detection of bridge tap using frequency domain analysis
Grant 6,417,672 - Chong July 9, 2 | 2002-07-09 |
Detection of bridge tap using frequency domain analysis
Grant 6,177,801 - Chong January 23, 2 | 2001-01-23 |
Hand-held telecommunication tester
Grant 5,619,489 - Chang , et al. April 8, 1 | 1997-04-08 |
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