Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 14 - Optical multiplex systems
Patents for H04J 14 - Optical multiplex systems (27,009)
03/2012
03/20/2012US8139940 Wavelength division multiplexing transmission system and remote apparatus and station apparatus used therein
03/20/2012US8139939 Upgradeable passive optical network
03/20/2012US8139938 Hierarchical routing query method of automatic switched optical network
03/20/2012US8139937 Automatic optical power control method for OLT in PON
03/20/2012US8139905 Generator protection system
03/15/2012WO2012032130A1 Multi-carrier system and method for use in an optical network
03/15/2012WO2012031334A1 Method and apparatus for multi-bit per symbol optical modulation and transmission
03/15/2012US20120063784 Optical signal demultiplexing device and optical signal demultiplexing method
03/15/2012US20120063783 System and method for reducing polarization dependent loss
03/15/2012US20120063782 Method, Circuitry and Apparatus for Outputting a Stable Optical Signal in a Dense Wavelength Division Multiplexing Device During Fast Changes of Operating Conditions
03/15/2012US20120063781 System and method for reducing polarization dependent loss cross-talk effects
03/15/2012US20120063780 Power management for passive optical networks
03/15/2012US20120063779 Method, apparatus and system for advertising routing protocol message and calculating route
03/15/2012US20120063778 Optical Add/Drop Multiplexer Using Integrated Optical Components
03/15/2012US20120063777 Optical path switching signal transmission/reception apparatus and corresponding method
03/15/2012US20120063776 Hybrid switch for optical networks
03/15/2012US20120063775 Setting Optical Power for an Optical Communications Network Channel
03/15/2012US20120063771 Wdm optical transmission system and control method thereof
03/15/2012US20120063768 Method and system for cancellation of chromatic dispersion combined laser phase noise
03/15/2012US20120063766 Transmission device, control device, and method of detecting erroneous connection of signal line
03/14/2012EP2429101A1 Multi-carrier system and method for use in an optical network
03/14/2012CN202168092U 支持mimo技术的模拟信号的传输系统 Mimo technology transfer system supports analog signals
03/14/2012CN202168091U 一种密集型光波复用系统用便携式光波长通道识别仪 One kind of intensive wave multiplexing system with a portable optical wavelength channel identification device
03/14/2012CN102379105A Optical multiplexing terminating device, passive optical network system, and method for allocating frequency
03/14/2012CN102377480A Evaluating method and parameter testing method for optical equipment of dense wavelength division multiplexing (DWDM) system
03/13/2012US8135280 Method and system for power stability control in wavelength division multiplexing networks
03/13/2012US8135278 Bidirectional wavelength-division-multiplexed passive optical network
03/13/2012US8135277 Delayed optical router/switch
03/13/2012US8135274 System and method for fault identification in optical communication systems
03/13/2012US8134939 Multichannel ring and star networks with limited channel conversion
03/13/2012US8134777 Optical switch assembly and network incorporating same
03/08/2012WO2012029169A1 Optical communication system
03/08/2012US20120057876 Method for amplifying a burst optical signal, burst optical amplifier and system, and communications system
03/08/2012US20120057875 Wavelength division multiplexed passive optical network
03/08/2012US20120057874 Wavelength division multiplexed passive optical network
03/08/2012US20120057873 Optical communication system having low latency
03/08/2012US20120057872 Blind timing synchronization and low complexity channel estimation in aco-ofdm systems
03/08/2012US20120057871 Apparatus and Methods for Adaptively Using Signals to Control a Semiconductor Optical Amplifier (SOA)
03/08/2012US20120057870 Method, apparatus and system for transmitting and receiving client signals
03/08/2012US20120057869 M x N WAVELENGTH SELECTIVE SWITCH (WSS)
03/08/2012US20120057868 Method and System for Implementing Alternate Routes in Optical Transmission Network of Wavelength Switched Optical Network (WSON)
03/08/2012US20120057867 Optical usb thin card
03/08/2012US20120057865 Communication system and time synchronization method
03/07/2012EP2426841A1 Optical add and/or drop device for an optical network element
03/07/2012CN202159161U 一种有热型保偏阵列波导光栅波分复用器 A kind of hot-type polarization maintaining Arrayed Waveguide Grating Multiplexer
03/07/2012CN1983923B Triple churning
03/07/2012CN101145854B A device for optical amplification for single fiber bidirectional WDM system
03/06/2012USRE43226 Optical multiplexing device
03/06/2012US8131303 Simultaneous multi-mode WiFi differentiated by SSID
03/06/2012US8131155 Optical signal transmission apparatus
03/06/2012US8131153 Power line communication system using hybrid-fiber coaxial and communication device used in the system
03/06/2012US8131151 Testing and measurement in optical networks
03/06/2012US8131150 Tunable bidirectional multiplexer/demultiplexer for optical transmission system
03/06/2012US8131149 Optical routing device and optical network using same
03/06/2012US8130782 Control system using a mini slot signal in a passive optical network
03/01/2012WO2012025148A1 Method and apparatus for dynamic wavelength allocation in wavelength switched optical networks
03/01/2012WO2012024977A1 Method and system for detecting fiber fault in passive optical network
03/01/2012US20120051752 Bandwidth allocator using a shared grant to schedule allocation grants and a method therefor
03/01/2012US20120051751 Optical network power consumption mitigation
03/01/2012US20120051750 Wavelength multiplexing unit and wavelength multiplexing method of wavelength multiplexing optical transmission system
03/01/2012US20120051749 Wavelength division multiplexed-passive optical network capable of high-speed transmission of an optical signal by using modulation format having high spectral efficiency
03/01/2012US20120051747 Methods for dynamic bandwidth allocation and queue management in ethernet passive optical networks
03/01/2012US20120051745 Bandwidth defragmentation systems and methods in optical networks
03/01/2012US20120051743 Optical network system, optical multiplexing apparatus, and receiving apparatus
03/01/2012US20120051689 Optical wavelength filter with wavelength characteristic variation minimized
03/01/2012US20120050844 Optical signal transmission device, optical amplification device, optical attenuation device and optical signal transmission method
03/01/2012DE102009021010B4 Optische WDM Sende- und Empfangseinrichtung und optische Transceivereinheit hierfür WDM optical transmission and reception device and optical transceiver unit therefor
03/01/2012CA2809318A1 Method and system for detecting fiber fault in passive optical network
02/2012
02/29/2012EP2424141A2 Optical network system, optical multiplexing apparatus, and receiving apparatus
02/29/2012EP2424140A1 A wavelength division multiplexer compatible with two types of passive optical networks
02/29/2012EP2422472A1 Methods and apparatus for performing directionless wavelength addition and subtraction
02/29/2012EP2322008B1 Scheduling device
02/29/2012CN1666564B Path protection method for WDM network and nodes thereof
02/29/2012CN101834740B Automatic configuration method of physical device in WDM (Wavelength Division Multiplexing) optical-fiber network
02/29/2012CN101601209B Method and apparatus for dwdm line card
02/29/2012CN101170377B Transmission wave length selection method for color dispersion shift optical fiber dense wave division multiplexing system
02/29/2012CN101098191B Photosignal source device for implementing adjustable optical signal-to-noise ratio and controlling means
02/28/2012US8126333 Optical transmission system and synchronization method using time reference pulse
02/28/2012US8126332 Method of wavelength alignment for a wavelength division multiplexed passive optical network
02/28/2012US8126331 Wavelength division multiplexing transmission device and wavelength division multiplexing transmission method
02/28/2012US8126330 Dynamic wavelength service over a ROADM optical network
02/28/2012US8126329 Quad-port optical module with pass-through and add/drop configuration
02/28/2012US8126328 Communication apparatus and signal transmitting method
02/23/2012WO2012023490A1 Wavelength division multiplex optical transmission system, transmission device, reception device, and wavelength division multiplex optical transmission method
02/23/2012WO2012022884A1 Method for switching an optical data stream, computer program product, and corresponding storage means and node
02/23/2012US20120045214 Method and apparatus for burst mode clock and data recovery
02/23/2012US20120045213 Time division multiplexing transmission system and method of controlling system of same
02/23/2012US20120045212 Optical amplification device, communication system, and amplification method
02/23/2012US20120045211 Signal transmission processing method and apparatus and distributed base station
02/23/2012US20120045210 Optical subscriber network
02/23/2012US20120045209 Cost-Effective Multi-Rate Upstream for 10GEPON Based on High Efficiency Coding
02/23/2012US20120045208 Coherent receiver
02/23/2012US20120045206 Multi-chassis router with multiplexed optical interconnects
02/23/2012US20120045205 Method and Apparatus for Deriving Parameters of Optical Paths in Optical Networks Using Two-wavelength OTDR and a Wavelength-Dependent Reflective Element
02/23/2012US20120045204 Network with a Fast-Switching Optical Core Providing Widely Varying Flow-rate Allocations
02/23/2012US20120045203 System and method for determining non-fragmentation for communication of packets
02/23/2012US20120045200 Upgraded Bandwidth Map for Ten Gigabit Passive Optical Network
02/23/2012US20120045173 Coherent Optical Detector Having a Multifunctional Waveguide Grating
02/22/2012EP2421224A1 Client signal transport method and apparatus in optical transport network
02/22/2012EP2420011A1 Method of and system for detecting skew between parallel signals
1 ... 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 ... 271