Plano, Texas
United States
40
2011-02-24
The entities that hold a legal rights for patent applications filed by inventor Tian Cechan:
Cechan Tian from Plano, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Free-space DQPSK demodulator
#2 | 2009-08-13Monitoring modulator bias using photon absorption
#3 | 2008-07-31Modulating a signal according to 2-PSK modulation
#4 | 2008-07-31Modulating a signal using a fractional phase modulator
#5 | 2008-04-03Monitoring differential phase-shifted keying demodulation
#6 | 2008-01-03Demodulating a signal using a 1 x m coupler
#7 | 2008-01-03Free space demodulator for demodulating a signal
#8 | 2008-01-03Demodulating a signal by performing consecutive beam splitting
#9 | 2007-09-27Flexible open ring optical network and method
#10 | 2007-09-20Directing Optical Channels Using a Reflective Device
#11 | 2007-09-06Flexible open ring optical network and method
#12 | 2007-07-19Analyzing the quality of an optical waveform
#13 | 2007-06-12Flexible open ring optical network and method
#14 | 2007-05-17Dynamic blocking of token-controlled data transmissions in communication networks
#15 | 2007-03-29Monitoring modulation alignment variation using photon absorption
#16 | 2007-03-29Monitoring modulator bias using photon absorption
#17 | 2006-11-09Reducing polarization dependence of a wavelength dispersion variation monitor
#18 | 2006-10-03Method and system for control signaling in an open ring optical network
#19 | 2006-09-28Method and system for improving upstream efficiency in extended broadcasting networks
#20 | 2006-08-24Monitoring wavelength dispersion variation using photon absorption
#21 | 2006-08-01Passive add/drop amplifier for optical networks and method
#22 | 2006-07-11Combining and distributing amplifiers for optical network and method
#23 | 2006-07-11Method and system for testing during operation of an open ring optical network
#24 | 2006-07-06System and method for protecting traffic in a hubbed optical ring network
#25 | 2006-06-22Method and system for shared optical protection
#26 | 2006-06-22Method and system for shared optical regeneration
#27 | 2006-06-22Directing optical channels using a reflective device
#28 | 2006-06-15Method and system for determining gain for an optical signal
#29 | 2006-05-25Optical ring network for extended broadcasting
#30 | 2006-04-11Method and system for determining gain for an optical signal
#31 | 2006-03-09Method and system for a data centric architecture in an optical network
#32 | 2006-03-07Power tilt compensation using automatic power balance control
#33 | 2006-02-28Control system and method for an optical amplifier
#34 | 2006-01-26System and method for setting a tunable filter in an optical network
#35 | 2005-09-08System and method for communicating traffic between optical rings
#36 | 2005-09-01Optical network with selective mode switching
#37 | 2005-08-25Photonic data storage network
#38 | 2005-05-05Method and system for increasing network capacity in an optical network
#39 | 2005-03-03Method and system for controlling a secondary amplifier with a primary amplifier in an optical network
#40 | 2005-01-13Method and system for management of directly connected optical components
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