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Class Information
Number: 398/38
Name: Optical communications > Diagnostic testing > Determination of communication parameter > Power
Description: Subject matter wherein the particular communication parameter is a power parameter.










Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8712240 Optical power measurement method, optical line terminal and optical network unit Apr. 29, 2014
8705957 Optical line terminal Apr. 22, 2014
8705958 Optical packet switching apparatus, optical packet switching system, and optical packet in-line amplifier apparatus Apr. 22, 2014
8687969 Inter-transceiver module communication for optimization of link between transceivers Apr. 1, 2014
8682003 Equipment with optical paths for noise cancellation signals Mar. 25, 2014
8682172 Optoelectronic communications assembly having an electrical and optical interface Mar. 25, 2014
8660437 Minimizing distortion due to wavelength dependent loss in WDM optical networks Feb. 25, 2014
8655171 Method and device for optical power budget in passive optical network Feb. 18, 2014
8630538 Communication system, communication device, and communication method Jan. 14, 2014
8630539 Communication system, station-side optical line terminating apparatus, user-side optical line terminating apparatus, control apparatus, and communication method Jan. 14, 2014
8625987 Monitoring method for a passive optical network Jan. 7, 2014
8620156 Method and apparatus for performing an automatic power adjustment for an optical signal Dec. 31, 2013
8620160 Optical transmission apparatus Dec. 31, 2013
8615063 Level transition determination circuit and method for using the same Dec. 24, 2013
8600231 Monitoring energy consumption in optical access networks Dec. 3, 2013
8594500 Connection loss scheme for fiber connections in optical communication system Nov. 26, 2013
8571420 Apparatus and method for driving wavelength-independent light source Oct. 29, 2013
8565615 Optical modulation apparatus and optical modulation method Oct. 22, 2013
8565616 Polarized-wave-multiplexing optical transmitter and control method of polarized-wave-multiplexed optical signal Oct. 22, 2013
8554071 Optical transmission apparatus and continuity testing method Oct. 8, 2013
8554080 Failsafe optical splitter and method to isolate faults in a passive optical network Oct. 8, 2013
8554086 Method for setting power control initial value using indication light in visible light communications and transmission/receive apparatus using the same Oct. 8, 2013
8548322 Channel power estimation means Oct. 1, 2013
8543008 System and method for a subscriber powered network element Sep. 24, 2013
8542998 Passive optical network system and sleep time determination method Sep. 24, 2013
8542993 Burst power measurements using averaged power measurement Sep. 24, 2013
8542991 Power-up of device via optical serial interface Sep. 24, 2013
8532481 Dual fault tolerant optical networking with fast protection performance Sep. 10, 2013
8532482 Method and apparatus for detecting Passive Optical Network failures, and Passive Optical Network system thereof Sep. 10, 2013
8526812 Wavelength assignment in an optical WDM network Sep. 3, 2013
8526811 Power monitoring photodiode array with integrated, current sourced reference photodiode Sep. 3, 2013
8522118 Error handling in a passive optical network Aug. 27, 2013
8509614 Subscriber premises-side optical network unit Aug. 13, 2013
8483562 Method and apparatus for integrating automated switching in a passive optical network Jul. 9, 2013
8467678 OSNR model for optical engineering rules used in a planning tool Jun. 18, 2013
8463129 Optical transmission module Jun. 11, 2013
8442398 Performance monitoring in passive optical networks May. 14, 2013
8437642 Spatial light modulator (SLM)-based optical attenuator May. 7, 2013
8433190 Hot-swapping in-line optical amplifiers in an optical network Apr. 30, 2013
8433193 Systems and methods for channel power offsets for multi data rate DWDM transmission over optical add drop multiplexers Apr. 30, 2013
8417114 Apparatus, system and method for network monitoring Apr. 9, 2013
8412054 DQPSK/DPSK optical receiver with tunable optical filters Apr. 2, 2013
8406637 Automatic pre-emphasis Mar. 26, 2013
8380062 Optical transmission module and electronic device Feb. 19, 2013
8369715 Method and device and communication system for measuring optical power Feb. 5, 2013
8364034 In-band optical noise measurement using differential polarization response Jan. 29, 2013
8358930 In-band optical signal to noise ratio determination method and system Jan. 22, 2013
8358935 Method and apparatus for generating visible signal for data transmission frame in visible-light communication system Jan. 22, 2013
8355406 Setting signal-power thresholds on nodes in a communications network Jan. 15, 2013
8355631 Reducing optical service channel interference in phase modulated wavelength division multiplexed (WDM) communication systems Jan. 15, 2013

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