Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 10 - Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
Patents for H04B 10 - Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication (73,125)
03/2012
03/21/2012CN102386975A 3D glasses software downloading system and method
03/21/2012CN102386974A PON (passive optical network) network fault detection method and device
03/21/2012CN102386973A Out-of-band signaling-based failure detection and positioning method for light-trail network
03/21/2012CN102386972A Method, device and system for detecting misconnection of optical fibers
03/21/2012CN102386971A Method and device for detecting fault of optical fiber
03/21/2012CN102386970A Optical network unit (ONU) device of EPON (Ethernet Passive Optical Network) system and protection switching method for same
03/21/2012CN102386969A Receiving performance optimization method and device for optical communication system
03/21/2012CN102386968A Self-phase modulation noise calculating device, removing device and optical coherent receiver
03/21/2012CN102386967A Reverse biasing circuit of dual channel optical module avalanche photodiode
03/21/2012CN102386966A Systematized integration for collecting energy source-level light
03/21/2012CN102386965A Networking of energy-level light transmission
03/21/2012CN102386940A D-wave communication rescue system for mine disasters
03/21/2012CN102385125A Multi-channel small form-factor transceiver and assembly method
03/21/2012CN101995320B Method, device and equipment for detecting fault of underwater equipment
03/21/2012CN101501943B Fiber amplifiers and fiber lasers with reduced out-of-band gain
03/21/2012CN101459638B Receiving apparatus and method for differential quadrature phased shift keying DQPSK signal
03/21/2012CN101389145B System for implementing indoor covering in WCDMA network
03/21/2012CN101355491B Method for transmitting data and network element equipment
03/21/2012CN101340245B Optical receiver for receiving two patterns of binary system amplitude shift keying and binary system phase shift keying
03/21/2012CN101278217B Wavelength locking and power control systems for multi-channel photonic integrated circuits (PICs)
03/21/2012CN101180819B Shared high-intensity broadband light source for wavelength-division multiple access passive optical network
03/21/2012CN101056146B Pon系统 Pon system
03/21/2012CN101043275B System and method for managing optical network unit or optical network terminal
03/20/2012US8139958 Frequency-domain equalization of the fiber optic channel
03/20/2012US8139957 High sensitivity optical receiver employing a high gain amplifier and an equalizing circuit
03/20/2012US8139956 Bi-directional signal transmission system using a dual-purpose pin
03/20/2012US8139955 Method and system for controlling driving current of WDM-PON optical transmitter
03/20/2012US8139954 System and method for reducing memory requirements for electrical domain compensation of intra-channel nonlinearity in an optical communications system
03/20/2012US8139953 Signal transmission device, signal reception device, test module, and semiconductor chip
03/20/2012US8139952 System and method for measuring the extinction ratio of an optical transmitter using an interferogram wing-to-peak ratio
03/20/2012US8139951 Fiber-optic long-haul transmission system
03/20/2012US8139949 Electrical signal transmission module, method of transmitting electric signals and electrical inspection apparatus having the same
03/20/2012US8139948 Process and system for providing electrical energy to a shielded medical imaging suite
03/20/2012US8139947 Optical transmission apparatus with clock selector
03/20/2012US8139946 Apparatus and method for transmitting data in wireless visible light communication system
03/20/2012US8139945 Methods and systems for synchronized infrared real time location
03/20/2012US8139944 Method and apparatus for clearing an optical channel
03/20/2012US8139943 Optical communication apparatus and optical communication method
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
03/20/2012US8139286 Self-adapting feed forward control apparatus and method in an optical amplifier
03/20/2012US8138945 Sensor node
03/20/2012US8138464 Optical receiving circuit
03/15/2012WO2012034074A2 16-qam optical signal generation
03/15/2012WO2012033724A2 Cross-talk reduction in a bidirectional optoelectronic device
03/15/2012WO2012033701A1 Frequency-dependent i/q-signal imbalance correction for coherent optical transceivers
03/15/2012WO2012032879A1 Data transmittance device, data transmittance method, and data transmittance device control program
03/15/2012WO2012032566A1 Pon system and olt
03/15/2012WO2012032474A1 Installation for conveying electrical signals between a first triaxial cable and a second triaxial cable
03/15/2012WO2012032130A1 Multi-carrier system and method for use in an optical network
03/15/2012WO2012031784A1 An optical measurement method and system
03/15/2012WO2012031334A1 Method and apparatus for multi-bit per symbol optical modulation and transmission
03/15/2012WO2012010409A3 Device for transmitting data between two railway vehicles using optical radio relay
03/15/2012WO2011100908A3 Method and apparatus for monitoring optical power
03/15/2012US20120066724 Method and apparatus for providing wireless signals over catv, dbs, pon infrastructure
03/15/2012US20120063789 Photon detector
03/15/2012US20120063788 Method and apparatus for transmitting optical signals
03/15/2012US20120063786 Clock recovery with channel coefficients
03/15/2012US20120063784 Optical signal demultiplexing device and optical signal demultiplexing method
03/15/2012US20120063783 System and method for reducing polarization dependent loss
03/15/2012US20120063781 System and method for reducing polarization dependent loss cross-talk effects
03/15/2012US20120063780 Power management for passive optical networks
03/15/2012US20120063778 Optical Add/Drop Multiplexer Using Integrated Optical Components
03/15/2012US20120063777 Optical path switching signal transmission/reception apparatus and corresponding method
03/15/2012US20120063775 Setting Optical Power for an Optical Communications Network Channel
03/15/2012US20120063774 Passive optical network system
03/15/2012US20120063773 High Speed Error Detector for Fading Propagation Channels
03/15/2012US20120063772 Optical signal to noise ratio monitoring technique and system
03/15/2012US20120063771 Wdm optical transmission system and control method thereof
03/15/2012US20120063770 Pon system, station side apparatus, and subscriber side apparatus
03/15/2012US20120063769 Bandwidth Provisioning for an Entangled Photon System
03/15/2012US20120063768 Method and system for cancellation of chromatic dispersion combined laser phase noise
03/15/2012US20120063767 Method, apparatus and system for detecting connection status of optical fiber jumper
03/15/2012US20120063766 Transmission device, control device, and method of detecting erroneous connection of signal line
03/15/2012US20120063476 Optical wavelength comb generator device
03/15/2012US20120062985 Optical fiber amplifying module
03/15/2012US20120062875 System for improving the dynamic range and reducing measurement uncertainty in fibre optic distributed sensors and fibre optic distributed measurement equipment
03/15/2012DE102011082763A1 Zweiteiliges optisches Kopplungssystem aufweisend einen Luftspalt zum Reflektieren von Licht, um optische Rückkopplung zur Überwachung von optischen Ausgangsleistungspegeln in einem optischen Übertragungsmodul zur Verfügung zu stellen Two-part optical coupling system comprising an air gap for reflecting light to provide optical feedback for the monitoring of the optical output power levels in an optical transmission module is available
03/15/2012CA2804734A1 Installation for conveying electrical signals between a first triaxial cable and a second triaxial cable
03/14/2012EP2429108A1 Coherent receiver
03/14/2012EP2429101A1 Multi-carrier system and method for use in an optical network
03/14/2012EP2429100A2 Light source for a wavelength division multiplexed optical communications capable of the high-speed transmission of an optical signal using an unpolarized light source, and wavelength division multiplexing passive optical network comprising same
03/14/2012EP2427994A1 Method and apparatus for increasing the speed of successful entanglement creation and quantum repeater using the same
03/14/2012EP2427977A1 Bus-based scalable optical fabrics
03/14/2012EP2427976A2 Apparatus and method for generating visible signal according to amount of data transmission in visible light communication system
03/14/2012EP2427975A1 Hybrid communication apparatus for high rate data transmission between moving and/or stationary platforms
03/14/2012CN202168110U Epon系统局端设备物理层接口电路 Epon system central office equipment physical layer interface circuit
03/14/2012CN202168089U 温度控制型低功耗10G 40km SFP+光模块 Temperature-controlled low-power 10G 40km SFP + optical modules
03/14/2012CN202168088U 具有高可靠性的电力通信环网系统 With high reliability power communications network system
03/14/2012CN202168087U 支持菊花链组网结构的模拟光纤直放站系统 Supports daisy-chain network structure analog fiber optic repeater system
03/14/2012CN202168086U 具有强光保护功能的光模块 Optical modules with glare protection function
03/14/2012CN202168085U 一种红外线接收模组 An infrared receiver module
03/14/2012CN202168084U 具有gprs远程控制功能的光开关单元 Optical switching unit has a remote control function gprs
03/14/2012CN202168083U 一种大动态范围光电探测接收装置 Large Dynamic Range photoelectric detection receiver
03/14/2012CN202168082U 红外发射装置 Infrared emission devices
03/14/2012CN202166993U 用红外连接模式传输文件的屏幕和触摸笔 Transfer files using an infrared connection mode screen and touch pen
03/14/2012CN1829124B Method and apparatus for demodulation of optical differential phase shift keyed signals
03/14/2012CN102379106A Communication method, optical communication system, optical line terminal, and optical network unit
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