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US20130209108 SYSTEM AND METHOD FOR PERSONALIZED HOTELING OF MOBILE WORKERS  
Method to personalize a workspace, including: receiving via a first communication channel an information message comprising an identification of the workspace; sending via a second communication...
US20100080557 INTER-UNIT SETTING SYNCHRONIZATION DEVICE  
In a transponder serving as a functional device having plural units, I/O RAM for holding functions settings contents is prepared for two sides, i.e. an ACT side and a STBY side in each unit. When...
US20120121254 MULTI-STAGE POLARIZATION MODE DISPERSION COMPENSATION  
A polarization mode dispersion compensator that includes two stages, one for reducing or eliminating first order polarization mode dispersion of an optical signal, and second stage for reducing or...
US20120045201 MONITORING ENERGY CONSUMPTION IN OPTICAL ACCESS NETWORKS  
An optical access network (5) comprises optical network units (10) connected to a node (40). A monitoring unit (35) determines information indicative of energy consumption at the optical network...
US20120148230 Method for Time Division Multiplex Service Protection  
The present application provides a method for time division multiplex service protection. The method includes: on an OLT in a passive optical network, a working uplink port and a protection uplink...
US20130156433 WIRELESS NON-CONTACT SWITCH FOR AUTOMATIC DOORS  
The wireless non-contact switch detects movement of human body in the beam-shaped detection are which extends from the upper area on the wall toward the floor surface, and controls opening and...
US20110305451 COMMUNICATION DEVICE, COMMUNICATION SYSTEM, AND METHOD OF ALLOCATING BANDWIDTH  
A communication device operating as a master unit includes: a MAC layer termination functioning unit for extracting, from a receiving signal, queue length information scheduled to be transmitted...
US20070116466 Optical network unit (ONU) circuit  
An optical network unit (ONU) circuit that combines both analog and digital components is provided. The ONU circuit enhances the monitoring and diagnostic of the ONU optical interface, and thus...
US20140072304 Ethernet Passive Optical Network Over Coaxial (EPoC) Physical Layer Link and Auto-Negotiation  
A PHY auto-negotiation and link up procedure for Ethernet Passive Optical Network Over Coax (EPOC) is provided. The procedure is compliant with the Ethernet Passive Optical Network (EPON) standard...
US20060078335 Wireless communication device with infrared transducer  
A wireless communication device is provided having an infrared transducer integrated on certain components. If the wireless communication device has an external antenna, the infrared transducer may...
US20120014690 METHOD TO DEFINE SHARED RISK LINK GROUPS IN OPTICAL TRANSPORT SYSTEMS  
A method defines shared risk link groups in optical transport systems, in which two optical links sharing at least one single point of failure are considered to be non-disjoint. For each optical...
US20140029939 Blocking Estimation To Evaluate Connection Blocking In Flexible Optical WDM Networks  
A method for blocking estimation to evaluate connection blocking in flexible optical wavelength division multiplexing WDM networks includes a novel Markovian model to analyze the steady state...
US20060133826 Adaptive receiver for APD based modules  
An apparatus for protecting an optical receiver from high power optical signals is disclosed. The apparatus generally includes an optical receiver and a semiconductor optical device configured to...
US20120189319 ADAPTIVE PMD EQUALIZER AND IMPLEMENTATION  
Polarization mode dispersion (PMD) in a dual-pole optical communications network is compensated for using an adaptive PMD equalizer. The PMD equalizer may include a number of substantially...
US20130330077 VIRTUAL WAVELENGTH NETWORKS  
A computer implemented method provisions optical wavelength connections. A set of applications is grouped to form a set of application groups. A single optical connection having a bandwidth is...
US20070274719 PASSIVE OPTICAL NETWORK ROGUE OPTICAL NETWORK UNIT DIAGNOSTICS  
A system, method, and computer readable medium for passive optical network rogue optical network unit diagnostics, comprises, detecting an alarm of a network, correlating the detected alarm to a...
US20130051792 SYSTEMS AND METHODS FOR DETECTING LINE FLAPPING IN OPTICAL NETWORKS  
The present disclosure provides line flapping detection systems and methods for optical networks using, for example, Synchronous Optical Network (SONET), Synchronous Digital Hierarchy (SDH),...
US20130077973 SPECTRALLY EFFICIENT MODULATION FOR AN OPTICAL-TRANSPORT SYSTEM  
An optical transport system having an optical add-drop multiplexer configured to reduce inter-channel crosstalk by driving Mach-Zehnder pulse carvers in its optical transmitters with electrical...
US20090097843 Optical Phase Modulator With Monitoring Structure  
The invention relates to an optical waveguide device that includes a waveguide phase modulator (WPM). A waveguide monitoring structure is coupled optically in parallel with the WPM so as to form a...
US20130094866 Wearable accessory for monitoring whether user is looking at portable electronic device  
An accessory that includes a light transmitter may be worn by a user of an electronic device that includes a light receiver and a display screen. When the accessory is paired to the electronic...
US20110026928 TRANSIENT CONTROL SOLUTION FOR OPTICAL NETWORKS  
An optically amplified wavelength division multiplexing network has the functionality to add/drop channels at the optical add/drop multiplexing (OADM) nodes. The OADM node includes a receiver...
US20100067902 OPTICAL TRANSMITTER ERROR REDUCTION USING RECEIVER FEEDBACK  
Described is a method of reducing transmitter error in an optical communications channel. An optical signal transmitted from an optical transmitter that has impairment due to transmitter error is...
US20090169221 OPTICAL RECEIVER USING BEAM COMBINING AND SYSTEM USING THE SAME  
An optical beam combiner is provided, which allows efficient collection of light for various applications: non-line of sight and free space optical communications, remote sensing, optical imaging...
US20120224845 ADMINISTRATIVE BOUNDARIES IN SINGLE OR MULTIPLE DOMAIN OPTICAL NETWORKS  
The present disclosure provides systems and methods for administrative boundaries in a single domain optical network such as emulation of an External network-network interface (ENNI) using an...
US20120321314 DISTRIBUTED ANTENNA SYSTEM FOR MIMO TECHNOLOGIES  
The invention is directed to a method and system for supporting MIMO technologies which can require the transport of multiple spatial streams on a traditional Distributed Antenna System (DAS)....
US20110206366 OPTOELECTRONIC SENSOR  
An optoelectronic sensor, comprising a first strip having transmitter elements and/or receiver elements, a second strip having transmitter elements and/or receiver elements, wherein the transmitter...
US20130315592 METHOD FOR CONFIGURING END-TO-END LOWER ORDER ODU NETWORK TRAILS ACROSS OPTICAL TRANSPORT NETWORK  
The disclosure relates to a method of configuring end-to-end ODUj (lower order ODU) network trails across OTN (Optical Transport Network), in which the tributary port number (TPN) of the lower...
US20100080565 Electronic Wavefront Correction for Free-Space Optical Communications  
Systems and methods of electronic wavefront correction are disclosed. An example method receiving an optical signal representing a wavefront traveling along a plurality of propagation paths, and...
US20130142511 AUTOMATIC CONFIGURATION OF PACKET NETWORK SERVICES OVER DENSE WAVELENGTH DIVISION MULTIPLEX COMMUNICATION LINKS USING OPTICAL TRANSPORT NETWORK FRAMES  
Techniques are provided to automatically configure packet based network services over Dense Wavelength Division Multiplex (DWDM) network communication links. An optical wavelength is detected at an...
US20120308231 Light Path Priority in Dense Wavelength Division Multiplexed Networks  
Techniques are provided for using light path priority of service information in an optical network. At a node in the optical network, priority of service information is stored for a plurality of...
US20120039601 USE OF POLARIZATION FOR DIFFERENTIATION OF INFORMATION  
The present invention discloses a system for signalling within optical or combined optical/electronic networks wherein a first transmission node executes polarization multiplexing on transmitted...
US20110188850 INTERFEROMETER, DEMODULATOR, AND OPTICAL COMMUNICATION MODULE  
When designing a demodulator for a DPSK-modulated signal, it is required that optical phase modulation is performed fast and the demodulator has a long lifetime. To achieve this object, a delay...
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...
US20130084080 COHERENT OPTICAL RECEIVER AND COHERENT OPTICAL RECEIVING METHOD  
A coherent optical receiver according to an exemplary aspect of the present invention includes a coherent optical receiving unit, a first waveform equalizing circuit compensating waveform...
US20090103928 Communicating or reproducing an audible sound  
The present invention relates to the communication or reproduction of sound, in particular audible sound. There is provided a method of communicating a sound, including the steps of: transmitting,...
US20100054754 BI-DIRECTIONAL SIGNAL TRANSMISSION SYSTEM USING A DUAL-PURPOSE PIN  
A signal transmission system in accordance with the invention is implemented using a dual-purpose pin of an optical sub-assembly. The dual-purpose pin is used to propagate an analog signal out of...
US20110069972 MULTIPLEXED QUANTUM KEY DISTRIBUTION  
The present invention relates to an improved quantum signal transmitter, which has a plurality of quantum output channels having at least one optical source and at least one optical splitter acting...
US20060056850 Single width LC bi-directional transceiver  
A bi-directional transceiver comprises a housing, a flange coupled to the housing, and only one LC receptacle coupled to the housing. A width of the housing is less than 9.2 mm, and a width of the...
US20120155876 SEED LIGHT MODULE FOR WAVELENGTH DIVISION MULTIPLEXING-PASSIVE OPTICAL NETWORK AND METHOD FOR DRIVING THE SAME  
A seed light module for a WDM-PON system is provided. The seed light module includes a reflector configured to reflect a part of seed light that is generated from a light source generator, and an...
US20080232818 INTERFACE BOARD AND OPTICAL TRANSMISSION EQUIPMENT  
A circuit capable of processing signals of different signal types is provided for identifying the signal type by the signal type setting from an administrator or by the implementation of the...
US20110293265 Optical Access Network, Secondary Network Side Termination Node of an Optical Access Network, and Method for Operating a Network Side Termination Node  
An optical access network has a first and a second network-side termination node, the first including a first transceiver arrangement connected to a first optical link, configured to send a first...
US20080056724 SOUND SOURCES SEPARATION AND MONITORING USING DIRECTIONAL COHERENT ELECTROMAGNETIC WAVES  
An apparatus and a method that achieve physical separation of sound sources by pointing directly a beam of coherent electromagnetic waves (i.e. laser). Analyzing the physical properties of a beam...
US20120201545 Multifunction Receiver-On Chip For Electronic Warfare Applications  
What is provided is a receiver-on-a-chip comprising a monolithic integrated circuit that reduces the receiver to a cigarette-pack-sized assembly mountable directly at an antenna element, with a...
US20120121269 MULTIFUNCTION RECEIVER-ON-CHIP FOR ELECTRONIC WARFARE APPLICATIONS  
What is provided is a receiver-on-a-chip comprising a monolithic integrated circuit that reduces the receiver to a cigarette-pack-sized assembly mountable directly at an antenna element, with a...
US20060087445 Programmable remote controller adapted to be programmed by playback of audiovisual content  
A remote controller comprises a receiver (365) for receiving programming information for programming the remote controller and a transmitter (355) for transmitting remote control signals for...
US20090196601 Alarm surveillance for cascaded optical access  
A system and method is disclosed that allows real-time processing of child OPOI and rider service alarms from a parent OPOI which determines if one or more STS alarms are associated with a rider...
US20100096447 OPTICAL IDENTIFICATION TAG, READER AND SYSTEM  
The present invention relates to an optical identification tag, a reader, and a system, and more particularly, to an optical identification tag which transmits its identification information using...
US20090092401 Quaternary phase modulator  
In a quaternary phase modulator including two phase modulators disposed in parallel and a phase adjuster that adjusts a phase difference when the outputs of the two phase modulators are combined,...
US20090196623 SYSTEM AND METHOD FOR FREE SPACE MICRO MACHINED OPTICAL BENCH  
An Optical bench communicates light through free space in a plurality of trenches formed in the bench, each of the trenches formed by deep ion reactive etching and defined by two opposing side...
US20110243555 CHANNEL POWER CONTROL IN AN OPTICAL LINK  
Methods and apparatus for control of variable optical attenuators are described. A method for control of a variable optical attenuator located in an optical link comprising a plurality of optical...