| 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) |
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| 09/24/2008 | CN100421397C Optical burst switched network performance and fault monitoring method |
| 09/24/2008 | CN100421317C Device for measuring and dynamically compensating variations in power loss in an optical transmission line with a supervisory channel, and an associated method |
| 09/24/2008 | CN100421023C Optical amplifier for amplifying multi-wavelength light |
| 09/24/2008 | CN100420969C Method for coiling optical fiber in communication equipment |
| 09/24/2008 | CN100420929C Automatic optical fiber monitoring method |
| 09/23/2008 | US7428692 Parallel precoder circuit |
| 09/23/2008 | US7428385 Ethernet PON using time division multiplexing to converge broadcasting/video with data |
| 09/23/2008 | US7428384 Optical router |
| 09/23/2008 | US7428382 System and method for performing in-service fiber optic network certification |
| 09/23/2008 | US7428354 System for detecting fault in optical-transmission path |
| 09/23/2008 | US7428349 Adaptive polarization adjustment apparatus for controlling polarization of light inputted to polarization-maintaining waveguide components |
| 09/23/2008 | US7428347 Optical signal transmission transducer |
| 09/23/2008 | US7427804 Optoelectronic semiconductor device and light signal input/output device |
| 09/23/2008 | CA2380313C Method of amplifying optical signals using erbium-doped materials with extremely broad bandwidths |
| 09/22/2008 | CA2625902A1 Backbone transmission apparatus and method having apparatus internal alarm suppression function |
| 09/18/2008 | WO2008113055A1 Optical receivers for optical communications |
| 09/18/2008 | WO2008113036A1 Laser driver bias current calibration |
| 09/18/2008 | WO2008112685A1 Orthogonal frequency division multiple access (ofdma) based passive optical network (pon) architecture and its extension to long distance |
| 09/18/2008 | WO2008112171A1 Optically addressed rfid elements |
| 09/18/2008 | WO2008112169A1 Passive rfid elements having visual indicators |
| 09/18/2008 | WO2008112077A1 High speed optoelectronic receiver |
| 09/18/2008 | WO2008111337A1 Receiving device for visible light communication, and visible light communication system |
| 09/18/2008 | WO2008111223A1 Optical transmitter |
| 09/18/2008 | WO2008111186A1 Light detecting circuit, optical transmission device, and light detecting method |
| 09/18/2008 | WO2008111034A1 An optical communication system |
| 09/18/2008 | WO2008110284A1 Interface component and method for the operation thereof |
| 09/18/2008 | WO2008110169A1 A method and a device for detection of a first signal superimposed on a second signal |
| 09/18/2008 | WO2008110051A1 Protecting system and method for passive optical network |
| 09/18/2008 | WO2008036494A3 Optical aggregation and proxy device |
| 09/18/2008 | US20080226307 Methods and systems for monitoring multiple optical signals from a single source |
| 09/18/2008 | US20080226306 GT decoder having bandwidth control for ISI compensation |
| 09/18/2008 | US20080226305 Integrated optical waveform modulator |
| 09/18/2008 | US20080226303 Dispersion-managed optical transmission system |
| 09/18/2008 | US20080226302 Chromatic dispersion compensation system and method |
| 09/18/2008 | US20080226301 System and Method For Increasing Spectral Efficiency, Capacity and/or Dispersion-Limited Reach of Modulated Signals in Communication Links |
| 09/18/2008 | US20080226300 Optical differential-phase-shift-keyed demodulator apparatus and method |
| 09/18/2008 | US20080226298 Optical Transmission System |
| 09/18/2008 | US20080226297 Optical Fiber Paper Reader |
| 09/18/2008 | US20080226294 Passive optical network system and method of data transmission in the passive optical network |
| 09/18/2008 | US20080226291 Optical receiving apparatus and optical level adjusted quantity setting method therefor |
| 09/18/2008 | US20080226290 Optical signal monitoring apparatus, optical system and optical signal monitoring method |
| 09/18/2008 | US20080226287 Method and Apparatus for Restoration of Operating Conditions of an Optical Ring Network Comprising a Plurality of Optical Amplifiers After a Break or Other Fault in the Ring Network |
| 09/18/2008 | US20080225887 Transponder, transmission system, transmission method and transmission program |
| 09/18/2008 | US20080225692 Systems and method for orthogonal frequency divisional multiplexing |
| 09/18/2008 | US20080225691 Systems and method for orthogonal frequency divisional multiplexing |
| 09/18/2008 | US20080225690 Systems and method for orthogonal frequency divisional multiplexing |
| 09/18/2008 | US20080225377 Bi-Directional Optoelectric Conversion |
| 09/18/2008 | US20080225276 System for measuring the wavelength dispersion and nonlinear coefficient of an optical fiber |
| 09/18/2008 | DE102007011176A1 Optical transmitter circuit arrangement for use in mobile radio telephone terminal, has optical transmitter unit, at which modulated signals are provided as return-to-zero signals with pulse-width modulation smaller than fifty percentage |
| 09/18/2008 | CA2680835A1 Optical receivers for optical communications |
| 09/18/2008 | CA2680269A1 Optically addressed rfid elements |
| 09/18/2008 | CA2680266A1 Passive rfid elements having visual indicators |
| 09/17/2008 | EP1971094A1 Light receiver |
| 09/17/2008 | EP1971057A2 Passive optical network and method of data transmission in the passive optical network |
| 09/17/2008 | EP1971052A1 An apparatus and method for self-adaptive dispersion compensating |
| 09/17/2008 | EP1971051A1 An apparatus and method for selfadapting dispersion compensation |
| 09/17/2008 | EP1971050A1 An optical transport node construction device and service dispatch method |
| 09/17/2008 | EP1971049A1 Interface module and method for its operation |
| 09/17/2008 | EP1971036A1 A method and a device for detection of a first signal superimposed on a second signal |
| 09/17/2008 | EP1969770A1 Telecommunication device |
| 09/17/2008 | EP1969747A1 Open fiber control and loss of light propagation in time division multiplexed inter-system channel link |
| 09/17/2008 | EP1515292B1 Communication system for vehicle, vehicle, and communication device for vehicle |
| 09/17/2008 | CN201118871Y A GSM digital optical cable optical terminal with multi-carrier frequency selection function |
| 09/17/2008 | CN201118715Y Multi-function optical network unit |
| 09/17/2008 | CN201118630Y A non-polarity two-core communication bus receiver/transmitter for photoelectrical separation |
| 09/17/2008 | CN201118602Y A transmission/receiving integrated photoelectric module for remarkably reducing electric interference |
| 09/17/2008 | CN201118601Y Uplink optical receiving module for optical fiber communication platform |
| 09/17/2008 | CN201118600Y Downlink optical receiving module for optical communication system platform |
| 09/17/2008 | CN201118599Y An optical module device and host board |
| 09/17/2008 | CN201118598Y CobraNet dual optical transreceiver with remote monitoring function |
| 09/17/2008 | CN201118597Y Electrical signal loop circuit and optical receiving/transmission module with this loop |
| 09/17/2008 | CN201118596Y 2400 rate modulator based on optical/microwave transmission |
| 09/17/2008 | CN201118595Y Wireless laser energy supply reverse data transmission system |
| 09/17/2008 | CN201118594Y 一种光网络终端和光线路终端 An optical network terminals and optical line terminal |
| 09/17/2008 | CN201118593Y Optical terminal transmitter and optical terminal receiver |
| 09/17/2008 | CN201118592Y Single tube infrared transmission/receiving circuit |
| 09/17/2008 | CN201118591Y Electrical signal photoelectrical separation converter |
| 09/17/2008 | CN201118558Y Short wave digital broadband transmission network device |
| 09/17/2008 | CN201117175Y Interactive number placard with wireless communication device |
| 09/17/2008 | CN101268591A 拉曼放大器结构 Raman amplifier configuration |
| 09/17/2008 | CN101267359A Optical cable monitoring device |
| 09/17/2008 | CN101267259A Optical fiber protection system and device in passive optical network |
| 09/17/2008 | CN101267258A Dual-channel optical signal section switching and encryption system based on signal time domain compression |
| 09/17/2008 | CN101267256A 光传输装置及其控制方法 Optical transmission device and control method |
| 09/17/2008 | CN101267255A System and method for dual-channel optical phase modulation mm wave generation and remote vibration provision in mm wave optical transmission system |
| 09/17/2008 | CN101267254A Two-line optical sensing network and its method based on spectrum division multiplexing method |
| 09/17/2008 | CN101266379A High power optical apparatus employing large-mode-area, multimode, gain-producing optical fibers |
| 09/17/2008 | CN100420309C Large volume optical route device utilizing electrical buffer |
| 09/17/2008 | CN100420223C A test method for multiplexing segment protection protocol |
| 09/17/2008 | CN100420222C Method for synchronouslly switching distributed RPR node state |
| 09/17/2008 | CN100420174C Automatic gain controlled optical enlarger |
| 09/17/2008 | CN100420173C 光通信系统 The optical communication system |
| 09/17/2008 | CN100420172C Control distribution in optical pulse string exchange network |
| 09/17/2008 | CN100419931C Switch with optical controlling function |
| 09/17/2008 | CN100419564C Optical fiber amplifier and optical communication system using same |
| 09/17/2008 | CN100419482C Waveguide-optical fiber automatic core adjusting method based on genetic algorithm and device thereof |
| 09/16/2008 | US7426350 Hybrid optical and electrical fiber optic link linearizer |
| 09/16/2008 | US7426349 Method of signal transmission in a WDM communication system |
| 09/16/2008 | US7426348 Calibrating an optical transceiver via adaptive testing |
| 09/16/2008 | US7426347 Shared optical performance monitoring |