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US20120263478 HEARING AID SYSTEM USING WIRELESS OPTICAL COMMUNICATIONS  
Provided is a hearing aid system using a wireless optical communications method. The hearing aid system includes: a voice transmitter that converts addresser's voice into an optical signal to then...
US20130272693 SYSTEM AND METHOD FOR SHARED MESH RESTORATION IN OPTICAL NETWORKS  
A method for shared mesh restoration includes configuring a switch to allow sharing of a plurality of backup line cards across a plurality of node degrees associated with a reconfigurable optical...
US20140255026 RECONFIGURABLE OPTICAL ADD/DROP MULTIPLEXOR AND OPTICAL SWITCHING NODE  
A colorless, directionless ROADM includes a pair of contentioned add and drop wavelength-selective optical switches, an input wavelength-selective optical switch having one input port, and an...
US20140348500 OPTICAL RECEIVER AND SLICE LEVEL CONTROL METHOD  
An optical receiver includes a first discriminator in which an optimal point of a slice level is set and that compares a received signal to the slice level and discriminately outputs the received...
US20110116802 Optical Wavelength Multiplexing/ De-multiplexing Circuit  
An optical wavelength multiplexing/de-multiplexing circuit having a low loss and a flat transmission spectrum is provided. The optical wavelength multiplexing/de-multiplexing circuit compensates a...
US20120063779 METHOD, APPARATUS AND SYSTEM FOR ADVERTISING ROUTING PROTOCOL MESSAGE AND CALCULATING ROUTE  
A method, apparatus and system for advertising a routing protocol message and calculating a route are provided which solve the problems that the time of connection establishment or rerouting in...
US20120099854 Layer One Path Delay Compensation  
A network component comprising a forwarding physical layer (PHY) unit comprising a source queue (SQ), wherein the forwarding PHY unit is configured to measure a one-way physical layer delay between...
US20110229122 RESTORATION SCHEME FOR AN OPTICAL NETWORK AND METHOD OF USING SUCH A SCHEME  
A method of restoration for an optical network, the network comprising a plurality of nodes (40, 50) interconnected with each other by optical links (130), a subset of the nodes (40) each...
US20140099118 SYSTEMS AND METHODS FOR ROUTING AND WAVELENGTH ASSIGNMENT FOR NETWORK VIRTUALIZATION  
A method for routing and wavelength assignment for optical network resources required for a plurality of virtual network requests includes receiving the plurality of virtual network requests. The...
US20120093513 METHOD AND APPARATUS FOR SYNCHRONIZATION IN A PASSIVE OPTICAL NETWORK  
A method, apparatus and system for aligning frames in which an Optical Network Unit (ONU) receives a frame comprising frame delimitation information and synchronization-related information;...
US20140126899 MESH RESTORATION AND BANDWIDTH ALLOCATION SYSTEMS AND METHODS FOR SHARED RISK CONNECTION GROUPS  
A method, a node, and a network include mesh restoration and bandwidth allocation systems and methods for shared risk connection groups for source-based routing control planes. The mesh restoration...
US20110188865 METHOD FOR RAPID DETERMINATION OF LOWEST COST WAVELENGTH ROUTES THROUGH A PHOTONIC NETWORK BASED ON PRE-VALIDATED PATHS  
A method of setting up an end-to end connection between two end-points in an optical network. A plurality of validated paths in the network are defined. Each validated path extends between a...
US20140308047 OPTIMUM MODULATOR BIAS SYSTEMS AND METHODS IN COHERENT OPTICAL TRANSMITTERS  
A modulator bias selection method, a coherent optical transmitter, and optical modulator solve the problem of generating a correct constellation using the bias points with the minimum phase...
US20120189304 METHOD, APPARATUS, AND SYSTEM FOR ASSIGNING TRIBUTARY PORT NUMBER  
Embodiments of the present invention relate a method, an apparatus, and a system for assigning a tributary port number. The method includes: receiving a service path request message which is sent...
US20130236173 SCALABLE OPTICAL-CORE NETWORK  
A network comprising a large number of electronic edge nodes interconnected through bufferless optical switch planes so that a signal from any edge node to any other edge node traverses only one...
US20090129782 BUILDING ILLUMINATION APPARATUS WITH INTEGRATED COMMUNICATIONS, SECURITY AND ENERGY MANAGEMENT  
An LED light and communication system includes one or more optical transceivers that have a light support having a plurality of light emitting diodes and one or more photodetectors attached...
US20080212978 Optical Pulse Regenerator  
An optical pulse regenerator comprising means for broadening the temporal widths and flattening the centre portions of an optical pulse in optical communication using a saturable absorber such as,...
US20110262148 COMPACT PLENUM-RATED RIBBON CABLES  
Embodiments of the present invention include an optical fiber cable for use in a plenum. The cable comprises a tube, at least one optical fiber ribbon positioned within the tube, the optical fiber...
US20090142068 Data Communication Apparatus, Electronic Camera, and Data Communication System  
A data communication apparatus comprises a storage unit that stores network connection information required for establishing a connection via a network with an external device, a light emission...
US20130170836 OPTICAL TRANSCEIVER AND WAVELENGTH INITIALIZATION METHOD USING OPTICAL TRANSCEIVER  
An optical transceiver, and a wavelength initialization method using the optical transceiver are provided. The optical transceiver may include an optical transmitter to transmit an upstream signal...
US20130308944 BUTTERFLY OPTICAL NETWORK WITH CROSSING-FREE SWITCHES  
In a multi-chip module (MCM), optical waveguides in a first plane convey modulated optical signals among integrated circuits (which are sometimes referred to as ‘chips’). Moreover, an opt...
US20120263454 Crosstalk-Free High-Dimensional Constellations for Dual-Polarized Nonlinear Fiber-Optic Communications  
A method reduces time-varying polarization crosstalk due to XPolM by transmitting multi-dimensional orthogonal constellations. Three variants of crosstalk-free constellations are provided:...
US20060280503 Remote controller for a big-horsepower wood-waste collecting machine  
A remote controller for a big-horsepower wood-waste collecting machine includes an electromagnetic valve, an IC panel and an infrared remote controller. The electromagnetic valve is set between a...
US20080317470 Repeater Surge Coil and Diode Chain Design  
There are provided surge protection devices for undersea optical repeaters. An optical repeater drive circuit incorporating a diode chain design includes a diode array formed of a plurality of...
US20140321853 Network with a Fast-Switching Optical Core Providing Widely Varying Flow-rate Allocations  
Multiple switch planes, each having meshed bufferless switch units, connect source nodes to sink nodes to form a communications network. Each directed pair of source and sink nodes has a...
US20120045204 Network with a Fast-Switching Optical Core Providing Widely Varying Flow-rate Allocations  
Multiple switch planes, each having meshed bufferless switch units, connect source nodes to sink nodes to form a communications network. Each directed pair of source and sink nodes has a...
US20080232808 Optical waveform controlling apparatus  
According to an aspect of an embodiment, an apparatus for controlling optical waveform, comprises: an input port for inputting a signal light having a modulating frequency and a signal light power;...
US20110090060 Isolating RFID Reader  
Systems and methods for using a multimodal handheld reader are described. The reader can be used to read non electronic labels, passive RFID tags using backscatter modulation techniques and battery...
US20130216216 OPTICAL NETWORK NODE WITH RESTORATION PATH  
A node for an optical network has an electrical selector (30, 35) coupled to a first transponder for selecting which of first or second connections, is carried. A connection controller (80, 130)...
US20130272704 Linear Dispersion Polarization-Time Codes and Equalization in Polarization Multiplexed Coherent Optical System  
A method of optical communication comprising encoding four modulated symbols to generate four encoded symbols in two orthogonal polarizations and transmitting the four encoded symbols in two...
US20070287447 A WIRELESS HEADSET COMMUNICATION SYSTEM FOR AIRCRAFT AND METHOD THEREFOR  
A system for converting an existing aircraft communication system to a wireless communication system has a wireless headset for transmitting and receiving communication signals. At least one...
US20120195597 LOCATION VERIFICATION IN QUANTUM COMMUNICATIONS  
Methods and systems for verifying the location of a communication transceiver using quantum communication channels are described. Communications transceivers at different known locations are used...
US20110064414 OVERMODED DISTRIBUTED INTERACTION NETWORK  
An overmoded distributed interaction network is provided that generates high peak and average RF power amplification at high frequencies. A series of overmoded cavities are bounded by parallel or...
US20120020673 OPTICAL BACKPLANE  
The invention relates to an optical backplane, comprising a plurality of component connectors and at least two interconnections configurations interconnecting the component connectors. The at least...
US20140314417 RECONFIGURATION OF AN OPTICAL CONNECTION INFRASTRUCTURE  
An optical connection infrastructure has optical conduits between first devices and at least one second device. Dynamic reconfiguration of the optical connection infrastructure can be performed...
US20140037293 HIGH SPEED OPTICAL TRANSCEIVER MODULE  
Disclosed herein is a high speed optical transceiver module, which makes it possible to prevent a wavelength shift and thus to achieve low power and high efficiency by forming a hole with a...
US20110020001 TIME DIVISION MULTIPLE ACCESS OVER WAVELENGTH DIVISION MULTIPLEXED PASSIVE OPTICAL NETWORK  
Provided is a time division multiple access over wavelength division multiplexed passive optical network (TDM-over-WDM-PON) system. According to the TDM-over-WDM-PON system, a downstream optical...
US20130230322 MULTI-CHASSIS ROUTER WITH MULTIPLEXED OPTICAL INTERCONNECTS  
A multi-chassis network device includes a plurality of nodes that operate as a single device within the network and a switch fabric that forwards data plane packets between the plurality of nodes....
US20120045206 MULTI-CHASSIS ROUTER WITH MULTIPLEXED OPTICAL INTERCONNECTS  
A multi-chassis network device includes a plurality of nodes that operate as a single device within the network and a switch fabric that forwards data plane packets between the plurality of nodes....
US20110243553 METHOD, COMPUTER PROGRAM, AND ALGORITHM FOR COMPUTING NETWORK SERVICE VALUE PRICING BASED ON COMMUNICATION SERVICE EXPERIENCES DELIVERED TO CONSUMERS AND MERCHANTS OVER A SMART MULTI-SERVICES (SMS) COMMUNICATION NETWORK  
A system and method for providing multi-services within a communication network according to various exemplary embodiments can include storing, in a database of a computer, user-defined sets of...
US20130183035 Enhanced PON And Splitter Module And Associated Method  
A splitter module for a PON (passive optical network) and method of operating same. An IW (interfering wavelength) is selectively distributed and multiplexed with a downstream PON signal. The ONU...
US20080279567 ASYMMETRIC ETHERNET OPTICAL NETWORK SYSTEM  
An Ethernet-based optical network system includes a first optical transmitter that can receive a first electric signal and to produce a first optical signal, a first optical receiver that can...
US20120328282 Network Restoration Under Link or Node Failure Using Preconfigured Virtual Cycles  
The design of telecommunication networks is such that there is provision of end-to-end path protection to multiple demands under a single link or node failure in the networks. Restoration routes...
US20130259474 TRANSPONDER AGGREGATOR-BASED OPTICAL LOOPBACK IN A MD-ROADM  
The present principles are directed to a transponder aggregator-based optical loopback in a multi-degree colorless, directionless, contention-less, reconfigurable optical add/drop multiplexer. The...
US20120281992 SYSTEMS AND METHODS FOR OPTICAL RECEIVER DECISION THRESHOLD OPTIMIZATION  
The present invention provides systems and methods for a receiver threshold optimization loop to provide self-contained automatic adjustment in a compact module, such as a pluggable optical...
US20130011133 DIFFERENTIAL EYE DIAGRAMS  
Changes in a signal are detected. The signal is repeatedly sampled in a synchronous manner during a predetermined interval to generate a captured eye diagram. At least one of a positive...
US20110135299 DIFFERENTIAL EYE DIAGRAMS  
Changes in a signal are detected. The signal is repeatedly sampled in a synchronous manner during a predetermined interval to generate a captured eye diagram. At least one of a positive...
US20130089323 Optimal Combined 2R/3R Regenerators Placement Method for Line Network Topologies in Optical WDM Networks  
A method for optimal combined 2R/3R regenerators placement for optical transmission includes determining an optimal placement of multiple 2R and 3R regenerators that minimizes bit error rate BER at...
US20090245800 OPTICAL MODULE IMPLEMENTED WITH TRI-PLEXER OPTICAL SUBASSEMBLY  
An optical module that implements with a tri-plexer assembly is disclosed. The tri-plexer module comprises a bi-directional module for transmitting digital input and output signals and an analogue...
US20150055953 Channel Wavelength Assignment With Transient Reduction  
In an automatically switched optical network operating according to a wavelength plan, the wavelengths are assigned to an optical path based on availability, performance and SRS wavelength coupling...