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US20110076010 |
TCM PATH SEARCH METHOD, TCM PATH CREAETION METHOD, PATH SEARCH MANAGEMENT SYSTEM, AND PATH CREATION MANAGEMENT SYSTEM
A Tandem connection monitoring (TCM) path search method, a TCM path creation method, a path search management system, and a path creation management system are provided. The source end TCM mode and...
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US20120263469 |
Method for Reducing Power Consumption of a Passive Optical Network
A method for reducing energy consumption of a passive optical network includes optical network units of the network which infer their downstream queue status rather than being explicitly notified...
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US20110164881 |
OPTICAL CLOCK RATE NEGOTIATION FOR SUPPORTING ASYMMETRIC CLOCK RATES FOR VISIBLE LIGHT COMMUNICATION
A method and apparatus conduct an optical clock rate negotiation to support asymmetric clock rates for visible light communication (VLC) in a VLC device. A first frame that includes a receiver...
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US20120134672 |
Fiber Channel Identifier Mobility for Fiber Channel and Fiber Channel Over Ethernet Networks
Techniques are provided for a switch to assign proxy FCIDs to endpoint device so that the endpoint devices may achieve FCID mobility by retaining their originally assigned FCIDs. At a switch in a...
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US20090175630 |
Optical interconnection system for transmitting and receiving a three-level signal and method of operating the same
Provided is an optical interconnection system that transmits and receives a three-level signal. The optical interconnection system includes a first and a second optical interconnection device that...
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US20120002971 |
POLARIZATION-TRACKING DEVICE HAVING A WAVEGUIDE-GRATING COUPLER
A polarization-tracking device having a waveguide grating that serves as a polarization splitter and an optical fiber-to-waveguide coupler. The polarization-tracking device also has an optical...
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US20110262141 |
INNOVATIVE ARCHITECTURE FOR FULLY NON BLOCKING SERVICE AGGREGATION WITHOUT O-E-O CONVERSION IN A DWDM MULTIRING INTERCONNECTION NODE
According to one general aspect, an interconnection node may be configured to dynamically provide interconnection access between a first optical network (e.g., a core optical network) and at least...
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US20100135620 |
SMALL FORM-FACTOR PLUGGABLE TRANSCEIVER MODULE
A small form-factor pluggable transceiver module including a first optical transceiver device, a second optical transceiver device and a circuit board electrically connected to the first optical...
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US20130121705 |
METHOD FOR DISTRIBUTING TIME WITHIN SYNCHRONOUS ETHERNET AND SONET/SDH DOMAINS
The embodiments of the present invention pertaining to a method for distributing time between a first and a second Synchronous Ethernet “SyncE” domain, said first and second domains being int...
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US20090269062 |
Ship with a data network
A ship includes a network, integrating services for security and control services and/or for multimedia and infotainment services on board the ship. The service-integrating network includes...
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US20130051800 |
SYSTEM FOR INTEGRATION OF CHANNELS WITH QUANTUM INFORMATION IN COMMUNICATION NETWORKS
System for integration of channels with quantum information in communication networks. The network includes fibre-optic segments and conventional equipment, whilst a quantum key distribution (QKD)...
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US20110305453 |
METHOD AND ARRANGEMENT FOR ADAPTIVE DISPERSION COMPENSATION
A received optical signal is coherently demodulated and converted into electrical complex samples, which are dispersion compensated in a compensation filter. A control circuit calculates comparison...
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US20110222852 |
METHOD AND SYSTEM FOR CONFIGURING A CONNECTION-ORIENTED PACKET NETWORK OVER A WAVELENGTH DIVISION MULTIPLEXED OPTICAL NETWORK
A network planning tool and method for configuring a connection-oriented packet network over a WDM optical network without an optical control layer, such as a SONET/SDH layer. The optical network...
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US20090297153 |
Four quadrant linearizer
A system includes a laser generator, and a signal distortion generator circuit inline with the laser generator modulation signal and configured to generate distortion vectors in any of four...
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US20050002673 |
Communications system and communications lighting apparatus
An optical-information transmitting, lighting apparatus 2 is installed in a place where a lighting apparatus of the existing type for applying light generally used is provided. The lighting...
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US20080260386 |
RECONFIGURABLE OPTICAL ADD DROP MULTIPLEXER CORE DEVICE, PROCEDURE AND SYSTEM USING SUCH DEVICE, OPTICAL LIGHT DISTRIBUTOR, AND COUPLING-RATIO ASSIGNING PROCEDURE
A reconfigurable optical add drop multiplexer core device includes a light distributor, a light combiner, and first and second sets of add and drop ports. The light distributor is configured to...
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US20120208453 |
REMOTE CONTROLLED AIR GUN
An air gun system producing blasts resulting from the rapid opening of a main valve by movement of a piston which, as it moves out of its seat, releases air accumulated under pressure in a tank,...
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US20120315035 |
CELL PHONE/INTERNET COMMUNICATION SYSTEM FOR RF ISOLATED AREAS
A communication system for providing downlink and uplink communication between Service Providers, and users located in RF remotely located isolated areas, includes the sequential series connection...
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US20130077960 |
UTILIZING OPTICAL BYPASS LINKS IN A COMMUNICATION NETWORK
Optical By-Pass (OBP) links may be created by adding wavelengths between nodes on the network. The OBP may extend between any pair of nodes on the network. Intermediate nodes on the OBP are...
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US20080069564 |
Optical Aggregation and Proxy Device
An optical aggregation device can couple a plurality of optical line terminals to a common plurality of optical network terminals. The device is coupled to the network terminals via a passive...
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US20130016967 |
OPTICAL PACKET SWITCHING APPARATUS
An optical packet switching apparatus includes an optical switch unit for switching the route of an optical packet signal, an OSNR acquiring unit for obtaining the information on the...
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US20110044690 |
SYSTEM OF DEVICES OF WHICH SOME INCLUDE AN INFARED REMOTE CONTROL INTERFACE
Infrared control signals are communicated between an infrared remote control unit (16) and an infrared controlled device (18) via network gateways (14). A sub-network of a backbone network (10) is...
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US20060188266 |
Optical network terminal with wide input range power converter
The disclosure describes an optical network terminal (ONT) for use in a passive optical network (PON) that includes power conversion circuitry to accommodate a variety of power source options. In...
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US20120163808 |
DETECTING ROGUE ONU, OLT AND PON SYSTEM
A method and apparatus of detecting a rogue optical network unit (ONU) is provided. An optical line terminal (OLT) detects an abnormal upstream transmission to determine a plurality of rogue ONU...
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US20050001179 |
Self powered serial-to-serial or USB-to-serial cable with loopback and isolation
The cable for a medical device is an optically isolated serial transmission cable, used to connect a base device with a serial port, or the like, to a medical device. In an alternate embodiment of...
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US20090317082 |
Passive Optical Network System, Optical Network Unit, and Optical Line Terminal
An optical line terminal (OLT), an optical network unit (ONT) and a passive optical network (PON) system are provided. A user of the ONU or a terminal connected with the ONU can accurately...
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US20110268449 |
Sectorization in Distributed Antenna Systems, and Related Components and Methods
Embodiments disclosed provide sectorization in distributed antenna systems, and related components and methods. The antenna units in the distributed antenna systems can be sectorized. In this...
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US20090297148 |
AUTOMATIC PRE-EMPHASIS
A system and method are provided for controlling the pre-emphasis applied to an optical signal, in which the output level of individual transmitters is controlled in order to reach a pre-defined...
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US20120263457 |
TECHNIQUE FOR MONITORING OPTICAL NETWORKS
A technique for monitoring at least a network portion of an optical communication network, by monitoring changes of a decision threshold used for discriminating a digital optical signal being...
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US20120039598 |
Method and Apparatus for Fault Discovery in a Passive Optical Network (PON)
An apparatus and method for fault indication and localization in a Passive Optical Network (PON) comprising a multistage power splitter (100, 200, 300) with at least one 1:N splitter (120, 221,...
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US20080050121 |
Submarine optical transmission systems having optical amplifiers of unitary design
A method for entering a market with high barriers to entry and a plurality of proprietary business elements includes converting at least one of the business elements into a universal business...
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US20120195329 |
HYBRID WIRELESS/WIRED RoF TRANSPONDER AND HYBRID RoF COMMUNICATION SYSTEM USING SAME
A radio-over-fiber (RoF) hybrid wired/wireless transponder is disclosed that is configured to provide both wireless and wired communication between a hybrid head-end and one or more client devices....
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US20120121261 |
TECHNOLOGY FOR ARRANGING OPTICAL CHANNELS IN SWITCHING OPTICAL EQUIPMENT
A reconfigurable optical switching device comprising a Tunable Filters Array (TFA) unit incorporating tunable optical filters, wherein the arrangement is such that one and the same TFA unit is...
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US20050047778 |
Modular controller that interfaces with modular optical device
A controller for optical components. A controller includes an analog interface that is configured to connect to an optical component external to the controller. The analog interface is able to...
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US20120039605 |
Wavelength Division Multiplexer Compatible with Two Types of Passive Optical Networks
A wavelength division multiplexer is provided by the present invention, which implements the wavelength division multiplexing and de-multiplexing of the optical signals in the basic and upgrade...
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US20120106952 |
Method and Device for Optical Power Budget in Passive Optical Network
A method and a device for an optical power budget in a passive optical network are disclosed in the present invention, wherein said method includes: acquiring a corresponding minimum optical link...
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US20120263477 |
Portable Terminal and Method for Remote Control of Electronic Products
Disclosed is a method for remote control of electronic products using a portable terminal. The portable terminal performs a remote control function in the remote control mode. When communication is...
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US20120002966 |
TECHNOLOGY FOR SIMULATING AND/OR CONTROLLING COMMUNICATION OPTICAL NETWORKS
A technique for controlling power of a network node in an optical mesh network, comprising: determining a number of optical paths ingressing or expected to ingress the node, determining capacity or...
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US20070292130 |
Optical Communication Network and Component Therefore
A component for an optical communication network comprises a source (6) for an optical communication signal, an output port (11) for outputting the optical communication signal on an optical...
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US20080310850 |
LED LIGHT COMMUNICATION SYSTEM
An LED light and communication system includes at least one optical transceiver, the optical transceiver including a light support and a processor. The light support has a plurality of light...
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US20080175599 |
OPTICAL PULSE GENERATOR, SEMICONDUCTOR LASER MODULE, AND SEMICONDUCTOR LASER DRIVE APPARATUS
Provided are: an RF signal generator 110 which generates and outputs an RF signal having a signal waveform in which the potential of the signal changes to be alternately positive and negative with...
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US20090245793 |
Mapping a Client Signal into Transport Frames
Embodiments of the present invention provide a systems, devices, and methods in which a client signal is divided into a plurality of channels, mapped within transport frames, and combined into a...
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US20050063706 |
Deep space communications network
A system and method of deep space communication between a deep space location and Earth which includes communicating between a planetoid and the deep space location via an optical communications...
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US20110116806 |
High-Speed Adaptive Decision Feedback Equalizer
A decision-feedback equalizer (DFE) can be operated at higher frequencies when parallelization and pre-computation techniques are employed. Disclosed herein is a DFE design that operates at...
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US20130051809 |
SHORT-TERM OPTICAL RECOVERY SYSTEMS AND METHODS FOR COHERENT OPTICAL RECEIVERS
The present disclosure provides short-term optical recovery systems and methods in coherent optical receivers to minimize recovery time for fault scenarios and signal reacquisition while...
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US20090324215 |
ACTIVE/STANDBY SWITCHOVER METHOD AND DEVICE OF ASYNCHRONOUS BACKPLANE IN TRANSPORT NETWORK
An active/standby switchover device and an active/standby switchover method of an asynchronous backplane in a transport network are provided. A local oscillator clock is adopted to obtain a clock...
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US20080056713 |
Efficient Use of Trusted Third Parties for Additional Content-Sharing Security
Network elements are identified as being connected to optical nodes by instructing two network elements in a spectrum group of the CMTS to transmit at frequencies f1 and f2, respectively....
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US20090263143 |
OPTICAL COMMUNICATION INTEGRATION
An integrated circuit die has a transistor circuitry section for implementing information handling operations. Optical circuitry is within the single semiconductor die. The optical circuitry...
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US20130022352 |
OPTICAL NETWORK AND OPTICAL PATH SETUP METHOD
An optical network includes: an optical switch; a plurality of optical interface devices provided respectively for a plurality of servers and connected to the optical switch; and a manager to...
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US20080193138 |
Roll-Calling Mechanism Based Vision System For Elevator Positioning
A positioning system comprising a plurality of transponder modules each located at a known location for receiving an electromagnetic signal and emitting a light signal, at least one transceiver...
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