| 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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| 07/27/2011 | CN101299642B Optical fiber network system and management method thereof |
| 07/27/2011 | CN101262750B Latching mechanism for a module |
| 07/27/2011 | CN101217412B A method of optical network terminal batch grading in passive optical network system on gigabit Ethernet |
| 07/27/2011 | CN101155162B Otdm-differential phase modulation signal generator |
| 07/27/2011 | CN101114885B Wavelength-division and time division multiplex mixing passive optical network system, terminal and signal transmission method |
| 07/27/2011 | CN101110646B Demodulation circuit, IC, and communication device |
| 07/26/2011 | US7986886 Optical signal detector |
| 07/26/2011 | US7986885 Method and apparatus for control of DPSK and DQPSK receivers and transmitters |
| 07/26/2011 | US7986884 Optical network test access point device |
| 07/26/2011 | US7986883 Solar blind ultraviolet communication system for unattended ground sensor network |
| 07/26/2011 | US7986882 Output current pumping circuit and remote controller using the same |
| 07/26/2011 | US7986880 Method and system for providing a return path for signals generated by legacy terminals in an optical network |
| 07/26/2011 | US7986879 System and method for polling in ethernet passive optical network |
| 07/26/2011 | US7986878 Adjustable bit rate optical transmission using programmable signal modulation |
| 07/26/2011 | US7986646 Communication apparatus, communication method, communication circuit, mobile phone, program, and computer readable recording medium with program recorded therein |
| 07/26/2011 | US7986639 Topology management of a communications network |
| 07/26/2011 | US7986020 Optical communication module and flexible printed circuit board |
| 07/26/2011 | CA2570172C Forward baseband digitalization |
| 07/26/2011 | CA2387239C Device for imposing a field tilt for approximating the inherent field curvature of a focusing element in a free space optical device |
| 07/21/2011 | WO2011086696A1 Optical communication system, optical transmitter, optical receiver and optical transponder |
| 07/21/2011 | WO2011086005A1 Optical modulator |
| 07/21/2011 | WO2011085552A1 Method and apparatus for compatibly realizing pdm-bpsk and qpsk modulation |
| 07/21/2011 | US20110176816 Optical transmission apparatus |
| 07/21/2011 | US20110176815 Multi-channel optical transceiver with offset quadrature amplitude modulation |
| 07/21/2011 | US20110176814 Plastic optical fiber cable and method of transmitting signal |
| 07/21/2011 | US20110176813 Method and System for Electrical Domain Optical Spectrum Shaping |
| 07/21/2011 | US20110176812 Optical communication card and communication device |
| 07/21/2011 | US20110176811 All fiber towed array |
| 07/21/2011 | US20110176810 System and method for multi-rate, high-sensitivity clock and data recovery with adjustable decision threshold, rf input, and optical-to-electrical conversion |
| 07/21/2011 | US20110176807 Communication between network interface device and subscriber devices via power supply lines |
| 07/21/2011 | US20110176806 Optical burst receiver with a configurable ac and dc coupling interface |
| 07/21/2011 | US20110176805 Technique for selectively changing dispersion in optical communication channels |
| 07/21/2011 | US20110176803 System and method for indoor positioning using led lighting |
| 07/21/2011 | US20110176802 Channel Power Control in an Optical Network Node |
| 07/21/2011 | US20110176801 Transmission unit, optical transmission apparatus, communication control method and program storage medium |
| 07/21/2011 | US20110176586 Signal processing device, signal processing method, reception device, transmission/reception device, communication module, and electronic device |
| 07/21/2011 | US20110176201 Modular set of devices for optical amplification of signal by raman fiber amplifier |
| 07/21/2011 | CA2782145A1 Method and apparatus for implementing pdm-bpsk modulation and qpsk modulation in compatible manner |
| 07/20/2011 | EP2346191A1 Optical Modulator |
| 07/20/2011 | EP2345186A1 Method and device for signal processing and communication system comprising such device |
| 07/20/2011 | EP2345181A1 Methods and systems for providing full avionics data services over a single fiber |
| 07/20/2011 | EP2345116A1 Optical network amplifier node and method of channel power depletion compensation |
| 07/20/2011 | EP2025077B1 Dispersion and nonlinear compensator for optical delivery fiber |
| 07/20/2011 | CN201904787U Optical differential phase shift keying demodulator of integrated adjustable attenuator |
| 07/20/2011 | CN201904786U Photoamplifier for optimizing single-channel signal-to-noise ratio |
| 07/20/2011 | CN201904785U Phase demodulating receiver |
| 07/20/2011 | CN201904784U Optical transceiver |
| 07/20/2011 | CN201904783U DVI (digital visual interface) and audio remote transmission device based on optical fibers |
| 07/20/2011 | CN201904782U Synchronous digital hierarchy (SDH) optical fiber communication looped network automatic switching device |
| 07/20/2011 | CN102132529A PON system and redundancy method |
| 07/20/2011 | CN102132374A Dynamic impedance receiver circuit for ultrafast low-power photodetector |
| 07/20/2011 | CN102131429A Electronic shelf label system, communication control device, relay station device, electronic shelf label information distribution method, and program |
| 07/20/2011 | CN102130787A Network management equipment and optical channel data unit (ODU) flex frame idle timeslot management method thereof |
| 07/20/2011 | CN102130738A Method and device for processing signals |
| 07/20/2011 | CN102130724A Light automatic gain control circuit used for cable TV network optical receiver |
| 07/20/2011 | CN102130723A Optical signal generation device and method |
| 07/20/2011 | CN102130722A Cross channel (CH) data link system of fly-by-light flight control system |
| 07/20/2011 | CN102130721A Method for automatically acquiring internal fiber connecting relations of reconfigurable optical add-drop multiplexer node |
| 07/20/2011 | CN102130720A Method and device for detecting optical power of passive optical network (PON) and PON system |
| 07/20/2011 | CN102130719A Method and device for estimating power of output light with various wavelengths of amplifier |
| 07/20/2011 | CN102130718A Network element equipment and method for protection switching of backbone optical path |
| 07/20/2011 | CN102130717A Method for realizing distributed protection and passive optical network (PON) system |
| 07/20/2011 | CN101616251B EPON video camera |
| 07/20/2011 | CN101572579B 2M signal jitter test method |
| 07/20/2011 | CN101442366B Light modulation system and method |
| 07/20/2011 | CN101431376B Dispersion compensator of ultra-high capacity optical transmission system |
| 07/20/2011 | CN101427494B Method and system for integrated dwdm transmitters |
| 07/20/2011 | CN101426154B Outer cavity laser capable of being used as WDM-PON |
| 07/20/2011 | CN101414878B Method and apparatus for implementing trunk optical fiber rapid protection switching of EPON system |
| 07/20/2011 | CN101360984B Light beam path monitoring device and light beam path monitoring method |
| 07/20/2011 | CN101345581B Fault location method and system for passive optical network |
| 07/20/2011 | CN101321019B Multi-wavelength light source apparatus and method for generating accurate wavelength interval and high flatness |
| 07/20/2011 | CN101207442B Telephone optical transmitter and receiver with netting line state monitoring function and netting line state monitoring method |
| 07/20/2011 | CN101188458B Space pattern scanning laser communication method |
| 07/20/2011 | CN101110643B System and method for implementing wavelength centralized adjustment and control |
| 07/20/2011 | CN101079668B Device, method and device for positioning the optical fiber failure |
| 07/19/2011 | US7983573 Optical receiver having FSR phase compensation |
| 07/19/2011 | US7983572 Electro-absorption modulator integrated with a vertical cavity surface emitting laser |
| 07/19/2011 | US7983571 Apparatus and method for very high data rate optical transmission, and the use of said apparatus and said method |
| 07/19/2011 | US7983570 Direct detection differential polarization-phase-shift keying for high spectral efficiency optical communication |
| 07/19/2011 | US7983569 High-speed transmission system for optical channels |
| 07/19/2011 | US7983568 Apparatus and method for visible light communication |
| 07/19/2011 | US7983567 Method and system for polarization modem dispersion compensation |
| 07/19/2011 | US7983566 Method for improving the performance of phase-modulated communication systems in an optical network |
| 07/19/2011 | US7983565 Integrated optical communication and range finding system and application thereof |
| 07/19/2011 | US7983564 Transmission system and transmission method |
| 07/19/2011 | US7983561 Optical pulse time spreading device |
| 07/19/2011 | US7983559 Configurable multi-rate optical network port and processing modules |
| 07/19/2011 | US7983558 Optical control plane determination of lightpaths in a DWDM network |
| 07/19/2011 | US7983308 Method and apparatus for data frame synchronization |
| 07/19/2011 | US7983141 Synchronized multipoint-to-point communication using orthogonal frequency division |
| 07/19/2011 | US7982945 Optical amplification module and laser light source designed to suppress photodarkening |
| 07/19/2011 | US7982865 Method and device for monitoring an optical amplifier, in particular, an optical fiber amplifier |
| 07/19/2011 | US7982645 Method and device for generating an electrical signal with a wide band arbitrary waveform |
| 07/19/2011 | CA2590963C Optical transmission system, optical receiver, and its gain adjustment method |
| 07/19/2011 | CA2355124C Optical fiber for metropolitan and access network systems |
| 07/14/2011 | WO2011083798A1 Method and apparatus for detecting wavelength dispersion, and method and apparatus for compensating wavelength dispersion |
| 07/14/2011 | WO2011083748A1 Coherent light receiving apparatus, coherent light communications system employing same, and coherent light communications method |
| 07/14/2011 | WO2011083575A1 Optical transmission system |
| 07/14/2011 | WO2011083288A1 Quantum communication system and method |