| Patent | Date |
|---|
Detection and location of boundary intrusion, using composite variables derived from phase measurements
Grant 8,395,782 - Patel , et al. March 12, 2 | 2013-03-12 |
Phase responsive optical fiber sensor
Grant 7,725,026 - Patel , et al. May 25, 2 | 2010-05-25 |
Detection And Location Of Boundary Intrusion, Using Composite Variables Derived From Phase Measurements
App 20100014095 - Patel; Jayantilal S. ; et al. | 2010-01-21 |
Phase Responsive Optical Fiber Sensor
App 20070253662 - Patel; Jayantilal S. ; et al. | 2007-11-01 |
Wavelength dependent optical attenuator and variable attenuation profile controller
Grant 7,154,668 - Patel , et al. December 26, 2 | 2006-12-26 |
Distributed fiber sensor with interference detection and polarization state management
Grant 7,142,736 - Patel , et al. November 28, 2 | 2006-11-28 |
Distributed fiber sensor with detection and signal processing using polarization state management
Grant 7,139,476 - Patel , et al. November 21, 2 | 2006-11-21 |
Distributed sensor system coupled with a plurality of secondary sensors
App 20060239603 - Patel; Jayantilal S. ; et al. | 2006-10-26 |
Polarization encoder device
Grant 7,127,179 - Patel , et al. October 24, 2 | 2006-10-24 |
Over-parameterized polarization controller
Grant 7,085,052 - Patel , et al. August 1, 2 | 2006-08-01 |
Distributed fiber sensor with detection and signal processing using polarization state management
App 20050276611 - Patel, Jayantilal S. ; et al. | 2005-12-15 |
Distributed fiber sensor with interference detection and polarization state management
App 20050147341 - Patel, Jayantilal S. ; et al. | 2005-07-07 |
Polarization analysis unit, calibration method and optimization therefor
Grant 6,816,261 - Patel , et al. November 9, 2 | 2004-11-09 |
Over-parameterized polarization controller
App 20030174400 - Patel, Jayantilal S. ; et al. | 2003-09-18 |
Narrow band polarization encoder
Grant 6,611,342 - Patel , et al. August 26, 2 | 2003-08-26 |
Optical power limiting control
Grant 6,606,181 - Patel , et al. August 12, 2 | 2003-08-12 |
Polarization analysis unit, calibration method and optimization therefor
App 20030067602 - Patel, Jayantilal S. ; et al. | 2003-04-10 |
Wavelength dependent optical attenuator and variable attenuation profile controller
App 20030053173 - Patel, Jayantilal S. ; et al. | 2003-03-20 |
Narrow band polarization encoder
App 20030020925 - Patel, Jayantilal S. ; et al. | 2003-01-30 |
Polarization encoder device
App 20020089723 - Patel, Jayantilal S. ; et al. | 2002-07-11 |
Optical power limiting control
App 20020080462 - Patel, Jayantilal S. ; et al. | 2002-06-27 |
Temperature compensation of liquid-crystal etalon filters
Grant RE35,337 - Patel , et al. September 24, 1 | 1996-09-24 |
Optical switch employing first and second ferroelectric cells with alignment layers having alignment directions offset by 45.degree.
Grant 5,414,541 - Patel , et al. May 9, 1 | 1995-05-09 |
Frequency-selective optical switch employing a frequency dispersive element, polarization dispersive element and polarization modulating elements
Grant 5,414,540 - Patel , et al. May 9, 1 | 1995-05-09 |
Twisted ferroelectric liquid crystal modulator for providing gray scale
Grant 5,172,257 - Patel December 15, 1 | 1992-12-15 |
Tunable liquid crystal etalon filter
Grant 5,150,236 - Patel September 22, 1 | 1992-09-22 |
Liquid-crystal modulator array
Grant 5,132,824 - Patel , et al. July 21, 1 | 1992-07-21 |
Dual-polarization liquid-crystal etalon filter
Grant 5,111,321 - Patel May 5, 1 | 1992-05-05 |
Electronically tunable polarization-independent liquid crystal optical filter
Grant 5,068,749 - Patel November 26, 1 | 1991-11-26 |
Liquid crystal light modulators with asymmetrical interfaces
Grant 5,040,876 - Patel , et al. August 20, 1 | 1991-08-20 |
Ferroelectric liquid crystal devices
Grant 4,867,539 - Goodby , et al. September 19, 1 | 1989-09-19 |
Liquid crystal device with chemically-induced high-tilt alignment coating
Grant 4,776,674 - Filas , et al. October 11, 1 | 1988-10-11 |
Alignment technique for liquid crystal devices
Grant 4,664,480 - Geary , et al. May 12, 1 | 1987-05-12 |
Alignment of ferroelectric LCDs
Grant 4,561,726 - Goodby , et al. December 31, 1 | 1985-12-31 |
Automatic tool changing apparatus for drilling machines and the like
Grant 4,000,954 - Patel January 4, 1 | 1977-01-04 |
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