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US20170126350 |
PASSIVE OPTICAL NETWORK USER TERMINAL AND METHOD OF POWER SUPPLY CONTROL AND POWER SUPPLY STATE REPORTING FOR THE SAME
The present disclosure discloses a method, wherein the method comprises generating a passive optical network (PON) protocol message, wherein the PON protocol message comprises an identifier of a... |
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US20130071110 |
Providing Optical Power Information from an Optical Receiver to an Optical Transmitter Using a Serial Bus
An optical receiver, within a first device, may receive first configuration information from an optical transmitter, also within the first device. While receiving the first configuration... |
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US20150043909 |
Methods and Systems for Increasing Reach and/or Split in Passive Optical Networks
Systems and methods according to these exemplary embodiments provide for methods and systems that allow for either reducing signal loss or improving the optical signal strength in a PON for... |
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US20140376909 |
Optical Channel Monitor With High Resolution Capability
Described herein is an optical channel monitor (1) including one or more input optical ports (3) for receiving an input optical signal (5) including a plurality of optical channels. A first... |
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US20070201867 |
METHOD, APPARATUS, SYSTEM AND COMPUTER PROGRAM PRODUCT FOR IDENTIFYING FAILING OR FAILED OPTICAL NETWORK TERMINAL(S) ON AN OPTICAL DISTRIBUTION NETWORK
An error in a passive optical network is identified by communicating to an optical network terminal on the passive optical network a request to transmit a response signal at a predetermined power... |
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US20160173202 |
Adaptive Noise Loading in Optical Communication Networks
An apparatus is provided, e.g. an optical transmitter, that includes an optical noise source and an optical coupler. The optical noise source is configured to produce light having a noise spectrum... |
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US20120045202 |
High Speed Bi-Directional Transceiver, Circuits and Devices Therefor, and Method(s) of Using the Same
The present disclosure relates to a high-speed and/or power-saving bi-directional transceiver. The transceiver generally includes a (burst) laser driver; an output power monitoring and indicating... |
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US20140314406 |
Systems and Methods for Temperature Insensitive Photonic Transmission
A photonic communication system communicates M signals over a waveguide by modulating M wavelengths of light. N photonic rings at a receiver, where N is greater than M, are used to demodulate the... |
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US20080056714 |
Method and Apparatus for Obtaining an Optical Power Level in a Pon Network
A method and apparatus for remotely obtaining an optical power level in a PON network is provided. An Element Management System (EMS) transmits a Simple Network Management Protocol (SNMP) request... |
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US20060177222 |
Wavelength selective optical power measurement
The present invention relates to an apparatus and to a method of wavelength selective optical power measurement, comprising the steps of selecting a plurality of at least partly different spectral... |
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US20160050021 |
OPTICAL POWER EQUALIZATION METHOD AND APPARATUS
Provided are an optical power equalization method and apparatus, which are applied to a flexible grid reconfigurable optical add drop multiplexer (Flex ROADM) system. The optical power... |
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US20100215360 |
OPTICAL NETWORK UNIT AND ABNORMAL DETECTING & POWER MONITORING METHOD THEREOF
An optical network unit includes an optical transmitter, an optical detector and a signal measurement module. The optical transmitter transmits an optical signal to an optical line terminal of a... |
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US20130343751 |
Optical Receiver with a Wide Power Sensitivity Dynamic Range
An optical receiver system includes a power adjustment device, an optical receiver, and a controller. The power adjustment device adjusts the power of an optical input signal in accordance with... |
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US20160134079 |
WAVELENGTH ALIGNMENT METHOD AND APPARATUS, AND OPTICAL NETWORK SYSTEM
A wavelength alignment method includes: emitting a first optical signal by using a laser; filtering the first optical signal by using a filter, and then transmitting a second optical signal;... |
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US20160218802 |
METHOD AND SYSTEM FOR MEASURING AN OPTICAL POWER ATTENUATION VALUE OF A MULTIMODE DEVICE UNDER TEST, RECEIVE DEVICE AND COMPUTER-READABLE MEMORY
There is provided a method for measuring an optical power attenuation value of a multimode DUT. The method generally has, using an optical source, propagating test light along a multimode device... |
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US20170063466 |
OPTICAL TRANSMITTER AND METHOD FOR ADJUSTING SIGNAL LEVELS
An amplitude encoded transmission system and method are disclosed that achieve an improved bit-error rate for systems with a non-linear input/output relationship in the presence of noise. A set of... |
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US20130336651 |
OPTICAL TRANSMISSION APPARATUS AND METHOD
An optical transmission apparatus includes a splitter configured to split an input optical signal into a first optical signal and a second optical signal, a signal length determiner configured to... |
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US20100150552 |
OPTICAL/ELECTRICAL COMPOSITE CABLE, OPTICAL/ELECTRICAL COMPOSITE CABLE CONNECTION DEVICE AND OPTICAL/ELECTRICAL COMPOSITE CABLE DRIVE METHOD
An optical/electrical composite cable in which a first connector having an optical transmission unit is connected to a second connector having an optical reception unit via an electrical wire and... |
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US20160233956 |
OPTICAL FIBER LINK MONITORING APPARATUS AND METHOD CAPABLE OF TRACE-BASED AUTOMATIC GAIN CONTROL
An optical fiber link monitoring apparatus for detecting a failure in an optical fiber link by analyzing a trace of a received signal that has been transmitted to and reflected from said optical... |
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US20160036525 |
SYSTEM FOR OPTICAL DATA TRANSMISSION, OPTICAL DATA RECEIVE UNIT, OPTICAL DATA TRANSMIT UNIT AND METHOD FOR OPTICAL DATA COMMUNICATION
A system for optical data transmission has at least a first optical data transmission component that has a first optical data receive unit. They system further has a second optical data... |
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US20120033966 |
OPTICAL LEAKY INTEGRATE-AND-FIRE NEURON
An optical system includes an optical integrator, a readout mechanism, and an optical thresholder. The optical integrator is configured to perform temporal integration of an optical input signal... |
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US20160134365 |
Optical Signal Monitoring and Control Method, Signal Monitoring Apparatus and Optical Network System
An optical signal monitoring and control method including receiving a first optical signal, performing optical-to-electrical conversion on the first optical signal, and outputting a converted... |
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US20110164874 |
Method for optimally adjusting a decision level of a receiver and device thereof
The present invention discloses a method and a device for optimally adjusting the decision level of a receiver, wherein the method includes: monitoring optical power received by an optical... |
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US20070116460 |
Apparatus and method for adaptive adjustment and performance monitoring of avalanche photo-diode optical receiver and laser transmitter for fiber link long haul applications
A system and method for an Avalanche photo-diode (“APD”) optical receiver and laser system to adjust its performance during system operation without disturbing network traffic. Very small changes... |
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US20090142052 |
Monitoring of Optical Signals
An apparatus and method for monitoring of optical signals 60 at a node (12, 14, 16) in a WDM telecommunications system 10 comprising the employment of photodiodes (54, 56, 58). Each of the... |
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US20070189768 |
Optical network unit and control method thereof
An optical network unit (ONU) includes an optical receiving module, an energy transforming module and an adjusting module. The optical receiving module receives an optical power signal. The energy... |
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US20070196105 |
Optical network unit and control method thereof
An optical network unit (ONU) includes an optical receiving module, an energy transforming module, an analog-to-digital transforming module and an adjusting module. The optical receiving module... |
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US20150333826 |
OPTICAL PATH CONTROL IN A NETWORK
A control system and method in an optical burst mode network, said network comprising a plurality of channels, at least one channel adapted to carry bursts of data from multiple sources, the... |
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US20110176802 |
Channel Power Control in an Optical Network Node
A method and apparatus suitable for controlling the power of a channel in an optical network are described. A control system for a variable optical attenuator includes a processing element... |
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US20090214204 |
Optical network monitoring using amplifier modeling
Example embodiments include a method for monitoring an optical network. The method provides received network data to a network model, which determines if there is an inconsistency within the... |
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US20100220997 |
OPTICAL SIGNAL PROCESSING DEVICE AND METHOD OF PROCESSING OPTICAL SIGNAL
An optical signal processing device for shaping a waveform of an optical signal, including: an intensity inversion wavelength converter configured to generate an intensity-modulated optical signal... |
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US20130243425 |
METHOD AND APPARATUS FOR THE ZONAL TRANSMISSION OF DATA USING BUILDING LIGHTING FIXTURES
This invention relates to systems and methods for the transmission of data by a wireless controller connected between a power source and a lighting device. The wireless controller wirelessly... |
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US20140086579 |
OPTICAL COUPLING SYSTEM, AN OPTICAL COMMUNICATIONS MODULE THAT INCORPORATES THE OPTICAL COUPLING SYSTEM, AND A METHOD OF USING THE OPTICAL COUPLING SYSTEM
An optical coupling system is provided that includes a unitary, or integrally-formed, optical body having lenses formed on its lower end and a diffractive grating formed on its upper end. The... |
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US20090310962 |
Service based power and battery backup selection in a multiple dwelling unit
Heavy users of a Multi-Dwelling Unit Optical Network Terminal (MDU ONT) continuing to use services, such as telephone, data and video, when the MDU ONT is operating from backup power unfairly use... |
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US20160091674 |
ANGLED-POLISHED CONNECTOR TERMINATIONS IN MULTIMODE APPLICATIONS
A traffic access point (TAP) includes a first angle polished multimode multiple-fiber push-on (MPO) termination, a second angle polished multimode MPO termination, and multiple angle polished LC... |
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US20170005727 |
TRANSMISSION LOSS MEASUREMENT DEVICE, TRANSMISSION LOSS MEASUREMENT METHOD, AND OPTICAL TRANSMISSION SYSTEM
A transmission loss measurement device includes: a first monitor configured to measure a first optical power of a specific wavelength among wavelength-multiplexed light amplified by a Raman... |
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US20160036532 |
OPTICAL MODULATOR, OPTICAL TRANSMITTER, OPTICAL TRANSMISSION/RECEPTION SYSTEM, AND CONTROL METHOD FOR OPTICAL MODULATOR
To correct and uniform phase shift at each phase modulation area in an optical modulator in operation. An optical modulation unit outputs a four-level modulated optical signal. A signal... |
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US20130045008 |
Electric Field Measuring Apparatus
An electric field measuring apparatus measures electric field intensity of an electromagnetic wave generated from equipment under test installed in an area in which electromagnetic waves are... |
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US20080253765 |
OPTICAL POWER MEASURING APPARATUS AND OPTICAL SIGNAL RECEIVING APPARATUS COMPRISING SAME
An optical power measuring apparatus for measuring a power level of an optical signal comprised of a light intensity modulated signal, received by a light receiving element is provided. In the... |
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US20110158643 |
Optical transmission module and wavelength control method of optical transmission module
An optical transmission module includes a variable wavelength light source; an alternating current adding unit that adds an alternating current to a drive current to the variable wavelength light... |
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US20160037290 |
Method of Electronic Device Identification and Localization Based on Active Code Transmission
A method for uniquely identifying and locating one or more electronic devices by means of a data-bearing signal transmission is disclosed. The method is specifically configured to locate a large... |
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US20120230683 |
System and Method for Remotely Monitoring Communication Equipment and Signals
Several systems and method for remotely monitoring a communication system are disclosed. An RF signal received at a remote facility is analyzed at the remote facility and an ancillary data signal... |
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US20120163810 |
OPTICAL DEVICE, OPTICAL TRANSCEIVER UNIT, AND OPTICAL COMMUNICATION SYSTEM
An optical device includes an optical element that is secured to a base material, a temperature variable element the temperature of which is variable, the temperature variable element being... |
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US20130308938 |
OPTICAL COMPONENT, OPTICAL FIBER AMPLIFIER USING THE SAME, AND LASER DEVICE USING THE SAME
An optical component includes: a glass capillary; an optical fiber for light to be measured which is inserted into the through-hole of the glass capillary; at least one optical fiber for leak... |
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US20140241714 |
PROTOCOL SYSTEM AND RELATED METHOD OF AUTOMATICALLY SWITCHING CONNECTION
A method of automatically switching connection is disclosed in the present invention. The method is applied to connection setting between a signal transmission device and at least one signal... |
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US20130308939 |
Infrared Communication System and Method
A communication system and method utilizing an infrared signal emitter communicating a predefined signal, and an infrared signal receiver capable of receiving such predefined signal,... |
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US20110170863 |
PHASE MODULATED SIGNAL RECEIVER
A phase modulated signal receiver includes an operation part and a control part. An input power of a received light signal is measured based on current monitored by a monitor circuit. The... |
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US20170063452 |
POWER MONITORING DEVICE AND RECEIVING APPARATUS
An APD that converts a received optical signal to a current signal, a current mirror circuit that duplicates the current signal and outputs a duplicate current signal as a mirror current, a... |
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US20150215048 |
Univeral Automatic Bias Control Process for Digital Transmitter
An automatic bias control tracking for all modulation formats in an optical modulator includes monitoring the average output optical power using a low-speed photodetector to adjust the modulator... |
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US20150180583 |
WAVELENGTH DIVISION MULTIPLEXING OPTICAL TRANSMISSION DEVICE
[Problem] In relation to optical communication of a wavelength-division multiplex method, provided is an an optical transmission device capable of performing transmission of an optical signal... |