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| Number | Title | Issue Date |
| RE43403 | Distributed terminal optical transmission system The invention facilitates optical signals generated from customer premise equipment (CPE) at the edges of the metro domain networks. The CPEs are connected to extension terminals that transform the optical signal originating at the CPE into a suitable format for lon... | 05/22/2012 |
| 8184974 | Fiber-to-the-seat (FTTS) fiber distribution system A modular, scalable, extensible, In-Flight Entertainment (IFE) data communication system is described. In one embodiment, the system comprises a hub providing connection between one or more server/switch line replaceable unit including at least one server and a plur... | 05/22/2012 |
| 8180220 | Protocol configuration method A protocol configuration method for use by a substation to be coupled to a main station in an optical access network is described. The configuration method comprises the following steps: predefining for the substation a plurality o... | 05/15/2012 |
| 8116627 | PON system method for receiving optical signal and OLT When a signal of weak optical power is received immediately after a signal of intense optical power, input of the signal of intense optical power readily causes saturation, and the influence interferes in the signal of weak optical power to deteriorate receiver sens... | 02/14/2012 |
| 8111991 | N-way broadcast / narrowcast combiner Systems and methods are described for an optiplex. A method includes: conveying a first narrowcast signal to a first optical combiner; conveying a second narrowcast signal to a second optical combiner; tapping into said first narrowcast signal; monitoring a first ch... | 02/07/2012 |
| 8078055 | Passive optical avionics network The present disclosure is directed to a passive optical avionics network system and method. A passive avionics network may comprise: (a) an optical line terminal (OLT); (b) at least one optical network unit (ONU); (c) a fiber optic bus operably coupling the O... | 12/13/2011 |
| 8073330 | Digital subscriber line access multiplexer, optical network unit, optical line terminal and base station A Digital Subscriber Line Access Multiplexer (DSLAM) includes a Digital Subscriber Line interface unit for processing Physical Layer and Data Link Layer of the Digital Subscriber Line (DSL); at least two virtual DSLAM units adapted to simulate DSLAM to process a pac... | 12/06/2011 |
| 8073329 | Passive optical network user terminal and method of power supply control and power supply state reporting for the same The present disclosure discloses a passive optical network (PON) user terminal comprising a passive optical network interface unit (PONIU) having access to a PON system, a service data distribution unit (SDDU) connected to the PONIU for distributing service data, a ... | 12/06/2011 |
| 8068733 | Method for operating transparent node for WDM shared “virtual ring” networks A system and method for a transparent WDM metro ring architecture in which optics enables simultaneous provisioning of dedicated wavelengths for high-end user terminals, while low-end user terminals share wavelengths on “virtual rings”. All wavelengths are sourc... | 11/29/2011 |
| 8068732 | Network design apparatus and network design method A network design apparatus includes an information acquiring unit acquiring optical network information, a section dividing unit dividing an optical network into linear sections, a combination candidate determining unit determining candidates for combinations of var... | 11/29/2011 |
| 8059961 | Customer premises optical network unit and optical transmission system A customer premises optical network unit (ONU) comprises: an electrical/optical transform unit 6 to be connected with an optical transmission path 2 at a central office side for performing an opto-electrical transform and an inverse opto-electrical tra... | 11/15/2011 |
| 8055132 | Optical remote node device and support equipment for constructing and extending fiber-optic access networks Optical remote node (NR) device which is situated at a remote point in a fiber-optic metropolitan or access network, carries out the functions of connecting, and transmitting information between, various sections of the network in a passive manner without a power su... | 11/08/2011 |
| 8045857 | Optical switching device, optical access network, optical switching method, program, and recording medium In an optical access network using an optical switching device, a 2×1 optical splitter in the uplink and downlink directions is eliminated to extend the transmission distance between the OLT and the ONU. An optical switching device includes a downlink optical switc... | 10/25/2011 |
| 8023820 | Systems, apparatus, methods and computer program products for downloading and maintaining IP stream whitelists on optical network terminals Systems, apparatus, methods and computer program products are provided for downloading a whitelist onto a passive optical network including a passive optical network and a management interface communicatively coupled to the passive optical network and configured to ... | 09/20/2011 |
| 8019220 | PON system, station side device and redundant method used for the same The present invention provides a PON system including a plurality of PONs (passive optical network), a plurality of house devices set in an end user's house, and a station side device including a plurality of PON interface sections connected to the house devices via... | 09/13/2011 |
| 7991287 | Optical communication system with suppressed SBS An optical communication system and a communication network are disclosed herein capable of transmitting optical signals with high optical launch power over long distances with suppression of stimulated Brillouin scattering. A method of transmitting optical signals ... | 08/02/2011 |
| 7986879 | System and method for polling in ethernet passive optical network Disclosed is a system and a method for polling in an Ethernet Passive Optical Network (EPON). The system includes: multiple Optical Network Units (ONUs) for sharing optical channels of the EPON with one another and transmitting traffic; and an Optical Line Terminal ... | 07/26/2011 |
| 7970279 | N-way serial-channel interconnect Methods and apparatus are described for an n-Way, Serial-Channel interconnect. An apparatus includes a communications network interconnect including an input layer including a plurality of input channels; a multicast channel branching fabric coupled to the input lay... | 06/28/2011 |
| 7949256 | Method and system for increasing downstream bandwidth in an optical network A method is provided for increasing downstream bandwidth in an optical network that includes providing a downstream terminal comprising a digital output path and an analog output path. The method also includes receiving a signal comprising at least one wavelength at... | 05/24/2011 |
| 7929862 | Optical transmission system and optical transmission method After implementing a scrambler upon an electric signal of digital signals to be transmitted to a user terminal, this electric signal is converted into a digital optical signal, and an analog optical signal and this digital optical signal are multiplexed by wavelengt... | 04/19/2011 |
| 7920791 | Passive optical network system and method of data transmission in the passive optical network Regarding the passive optical network (PON) system of the present invention, in an OLT, data of different bit rates is framed, and framed data rows are subjected to FEC encoding processing without changing the line up of the data, and a check bit is added to the end... | 04/05/2011 |
| 7903972 | Format converter with smart multitap Systems and methods for signal conversion with smart multitap are disclosed. Embodiments of the systems can be scalable to model different signal topologies, transmission frequencies, bandwidths, and distances. An exemplary embodiment of the systems and methods incl... | 03/08/2011 |
| 7899329 | Transmission system and transmission apparatus On an optical access network, transmission at different bit rates is realized without modifying subscriber units. A low-speed signal generating part generates a low-speed signal having a low bit rate. A high-speed signal generating part generates a high-speed signal... | 03/01/2011 |
| 7899328 | Method for operating a massive optical network, optical line termination and transmission frame structure A method for operating a passive optical network transmitting sub-frames of data arranged in a common transmission frame in at least two signalling modes from an optical line termination to a plurality of optical network units comprises the step of arranging first s... | 03/01/2011 |
| 7873276 | System and method for registration of network units A system and method for registration of network units is disclosed. A system that incorporates teachings of the present disclosure may include, for example, an optical network unit (ONU) in a passive optical network (PON) that can have a controller element to receiv... | 01/18/2011 |
| 7796885 | Distribution optical elements and compound collecting lenses for broadcast optical interconnect Methods and apparatus are described for distribution optical elements and compound collector lenses for a broadcast interconnect. An apparatus includes a broadcast optical interconnect including: a plurality of nodes positioned to define a node array, each of the pl... | 09/14/2010 |
| 7796886 | Distributed terminal optical transmission system Optical signals generated from customer premise equipment (CPE) at the edges of the metro domain networks are facilitated. The CPEs connect to extension terminals that transform the optical signal originating at the CPE into a format for long haul transmission. The ... | 09/14/2010 |
| 7725028 | Method for flexible multiple broadcast service delivery over a WDM passive optical network based on RF block-conversion of RF service bands with wavelength bands A system and method for simultaneous delivery of a plurality of independent blocks of 500 MHz digital broadcast television services, stacking a plurality of RF blocks on a plurality of spectrally sliced WDM optical bands. The method for delivering a plurality of vid... | 05/25/2010 |
| 7672590 | Data center with mobile data cabinets and method of mobilizing and connecting data processing devices in a data center using consolidated data communications and power connections Data processing devices in a data center are more easily relocated by consolidating the data and power connections to the data processing devices within a mobile data cabinet. The mobile data cabinet includes an access switch to consolidate communications and connec... | 03/02/2010 |
| 7505687 | Distributed terminal optical transmission system The invention facilitates optical signals generated from customer premise equipment (CPE) at the edges of the metro domain networks. The CPEs are connected to extension terminals that transform the optical signal originating at the CPE into a suitable format for lon... | 03/17/2009 |
| 7502562 | Distributed terminal optical transmission system The invention facilitates optical signals generated from customer premise equipment (CPE) at the edges of the metro domain networks. The CPEs are connected to extension terminals that transform the optical signal originating at the CPE into a suitable format for lon... | 03/10/2009 |
| 7440697 | Data bus for a plurality of nodes An apparatus and method for detecting optical defects in optical bus systems which use optical modules in communication with a plurality of nodes connected to each other. Deterioration of the optical transmission quality is detected as a resulting deterioration in a... | 10/21/2008 |
| 7433598 | Uncooled laser generation of narrowcast CATV signal A cable television (CATV) distribution system, and a method of forming and using the CATV distribution system. In a first embodiment, a narrowcast optical signal is generated by an uncooled laser and converted by a receiver into a narrowcast electrical signal. In a ... | 10/07/2008 |
| 7428385 | Ethernet PON using time division multiplexing to converge broadcasting/video with data An Ethernet passive optical network provides a subscriber with a high speed and large capacity data service and a real time digital broadcast/video service. The network includes an optical line terminal for frame-multiplexing broadcast/video signals, which are obtai... | 09/23/2008 |
| 7428383 | Architecture, method and system of WDM-based photonic burst switched networks An intelligent photonic burst switched (PBS) network includes edge nodes and switching nodes. The PBS edge node includes a flow classifier, flow manager, and ingress/egress PBS MAC layer components. The flow classifier classifies information received from outside th... | 09/23/2008 |
| 7421203 | Method for transmitting packet in wireless access network based on wavelength identification code scheme A method for transmitting a packet in a wireless access network based on a wavelength identification code scheme. The method comprises the steps of connecting n number of RNCs (Radio Network Controllers) to one sub-ring where the “n” is a positive integer, and a... | 09/02/2008 |
| 7415205 | Wavelength division multiplexed self-healing passive optical network using wavelength injection method A wavelength division multiplexed self-healing passive optical network using a wavelength injection method includes a central office for coupling modulated multiplexed optical signals (MMOS) and broadband optical signals (BOS)for an upstream light source into one si... | 08/19/2008 |
| 7412169 | FTTH system for convergence of broadcasting and communication through switched broadcasting A fiber to the home FTTH network for convergence of broadcasting and communication is disclosed. The network includes: an OLT for receiving and converting a first predetermined number of broadcast signals and an Ethernet signal into a plurality of converted optical ... | 08/12/2008 |
| 7406103 | Method and apparatus for transmitting data in Gigabit Ethernet passive optical network A method and apparatus for transmitting data from an optical network unit (ONU) to an optical line termination (OLT) in a Gigabit Ethernet passive optical network (GE-PON) on the basis of a time division multiple access (TDMA) scheme are provided. A measurement of a... | 07/29/2008 |
| 7403712 | Matrix time division multiplex (MTDM) interrogation Embodiments of present system encompass: a plurality of laser sources that produce a plurality of respectively different optical wavelengths; a matrix switch having a plurality of inputs operatively coupled to the plurality of laser sources, each of the plurality of... | 07/22/2008 |
