| 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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| 01/14/2009 | CN101345597A Method and apparatus for implementing automatic laser cut-out of synchronization digital system equipment |
| 01/14/2009 | CN101345590A SNCP business collocation method |
| 01/14/2009 | CN101345589A Apparatus and method for integrating passive optical network and coaxial Ethernet component |
| 01/14/2009 | CN101345588A Method for implementing optical bullet propagation without time-space stretching by using photon crystal |
| 01/14/2009 | CN101345587A CSO control circuit of light receiver |
| 01/14/2009 | CN101345586A CTB/XMOD control circuit of light receiver |
| 01/14/2009 | CN101345585A Optical-difference four-phase shift keying modulator with nested Mach-Tsend waveguide structure |
| 01/14/2009 | CN101345584A Automatic detection method for optical fiber connection status of optical fiber communication equipments |
| 01/14/2009 | CN101345583A Optical signal quality monitor for a high-bit rate signal |
| 01/14/2009 | CN101345582A Optical signal monitoring method and monitoring device of dense wavelength division multiplexing system |
| 01/14/2009 | CN101345581A Fault location method and system for passive optical network |
| 01/14/2009 | CN101344872A 光数据链路 Optical data link |
| 01/14/2009 | CN101344700A Optical converse modulator based on optical current carrier |
| 01/14/2009 | CN101344619A Reconfigurable optical add-drop multiplexer |
| 01/14/2009 | CN101344614A Fast dynamic configurable optical grouping caching device in full optical network |
| 01/14/2009 | CN101344431A On-line scaling system and method for optical communication system equipment |
| 01/14/2009 | CN100452739C Optical parallel transmission in usage of grid |
| 01/14/2009 | CN100452690C Method and arrangement for reducing the signal degradation in an optical polarisation-multiplex signal |
| 01/14/2009 | CN100452686C Parallel frame alignment circuit applied to optical synchronous digital transferring system |
| 01/14/2009 | CN100452683C Intelligent wavelength routing optical network node structure supporting link management protocol |
| 01/14/2009 | CN100452682C Method for implementing whole optical virtual private network in passive optical network |
| 01/14/2009 | CN100452681C Control method and system used for dispatching multiclass business in passive optical network |
| 01/14/2009 | CN100452680C Device for compensating polarizing diffusion in optical transmitting system |
| 01/14/2009 | CN100452679C Method and device for elastic protection conversion in Ethernet passive optic network system |
| 01/14/2009 | CN100452662C Multiple channel wireless communication system |
| 01/14/2009 | CN100452133C Light emitting element driving device and portable apparatus equipped with light emitting elements |
| 01/14/2009 | CN100451802C High efficiency simulating method for wide band optical fiber Raman amplifier |
| 01/14/2009 | CN100451708C Ceramic insert needle of coaxial packaged semiconductor laser |
| 01/14/2009 | CN100451697C Fiber Bragg grating device |
| 01/13/2009 | US7477852 Optical receiver apparatus and method |
| 01/13/2009 | US7477851 Power source for a dispersion compensation fiber optic system |
| 01/13/2009 | US7477850 Optical signal jitter reduction via electrical equalization in optical transmission systems |
| 01/13/2009 | US7477849 Multilevel amplitude modulated signaling in fibre channel |
| 01/13/2009 | US7477848 Optical receiving apparatus and method for controlling the optical receiving apparatus |
| 01/13/2009 | US7477847 Optical and electrical channel feedback in optical transceiver module |
| 01/13/2009 | US7477846 Method of reducing control packet transmission rate for an optical wireless link |
| 01/13/2009 | US7477845 Method and apparatus for reducing data burst overhead in an ethernet passive optical network |
| 01/13/2009 | US7477844 Method and system for utilizing virtual local access network addressing in optical networks |
| 01/13/2009 | US7477843 Method of and system for routing in a photonic network |
| 01/13/2009 | US7477807 Monolithic transmitter photonic integrated circuit (TxPIC) semiconductor chip |
| 01/13/2009 | US7477447 Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied |
| 01/13/2009 | US7477383 System for detection of wafer defects |
| 01/13/2009 | US7476040 Compact optical sub-assembly with ceramic package |
| 01/13/2009 | CA2396407C Method and apparatus for optimizing the dispersion and dispersion slope for a dispersion map with slope-compensating optical fibers |
| 01/08/2009 | WO2009005506A1 Systems and methods for implementing standby functionality using field programmable gate arrays |
| 01/08/2009 | WO2009004720A1 Level lowering detection device, optical amplifying device and level lowering detection method |
| 01/08/2009 | WO2009004702A1 Optical delay device using wavelength selection switch |
| 01/08/2009 | WO2009004682A1 Optical reception circuit |
| 01/08/2009 | WO2009004668A1 Wavelength division multiplexing system and method for detecting input disconnection of optical signal |
| 01/08/2009 | WO2009004398A1 Method and device for data operation progress indication |
| 01/08/2009 | WO2009004244A1 High-throughput bidirectional passive optical network, associated optical hub and line termination device |
| 01/08/2009 | WO2008099098A3 Switched optical fibre network for airplane seats |
| 01/08/2009 | US20090012729 Light receiving apparatus, testing apparatus, light receiving method, testing method, test module and semiconductor chip |
| 01/08/2009 | US20090010657 Optical transmission system and optical repeater |
| 01/08/2009 | US20090010655 Optical communications circuit current management |
| 01/08/2009 | US20090010654 Communication link apparatus and method for maintaining visibility in visible light communication |
| 01/08/2009 | US20090010651 Optical transceiver module having wireless communications capabilities |
| 01/08/2009 | US20090010648 Methods and apparatus for upgrading passive optical networks |
| 01/08/2009 | US20090010647 Method and apparatus for routing communications in a mesh network |
| 01/08/2009 | US20090010646 Optical pulse time spreading device |
| 01/08/2009 | US20090010644 Integrated optical communication and range finding system and applications thereof |
| 01/08/2009 | US20090010643 Method and apparatus for identifying faults in a passive optical network |
| 01/08/2009 | US20090010642 Method for measuring fiber length, optical line terminal and optical network system |
| 01/08/2009 | US20090010641 Method and apparatus for loading, detecting, and monitoring channel-associated optical signals |
| 01/08/2009 | US20090010596 Optical communication system as well as a access network provided therewith |
| 01/08/2009 | US20090009259 Angle modulator |
| 01/08/2009 | DE202007012193U1 Vorrichtung für ein optisches Freiraum-Übertragungssystem und Freiraumübertragungssystem Device for a free-space optical transmission system and free-space transmission system |
| 01/08/2009 | DE102007027884A1 Verfahren zur Bestimmung des Träger-Rausch-Verhältnisses bei Trägerfrequenzübertragung in optischen Übertragungssystemen Method for determining the carrier-to-noise ratio in carrier transmission in optical transmission systems |
| 01/07/2009 | EP2012463A1 Optical network termination, configuration method for limiting rate property of ports therefor, and message handling method |
| 01/07/2009 | EP2011258A2 Partial dpsk (pdpsk) transmission systems |
| 01/07/2009 | EP2011257A1 Protection device for removal of signal interference in a passive optical network |
| 01/07/2009 | EP2011256A1 Selectable frequency emr emitter |
| 01/07/2009 | EP1953931A9 Photoreceptor using mach-zehnder interferometer |
| 01/07/2009 | EP1226737B1 Method and system for communication protection |
| 01/07/2009 | CN201178419Y Optical fiber straight-forward station based on open loop and close loop automatic gain control link |
| 01/07/2009 | CN201178401Y Reverse non-linear amplifier circuit having temperature compensation |
| 01/07/2009 | CN101341635A Multistage fibre amplifier and method for adapting a pump power of a multistage fibre amplifier |
| 01/07/2009 | CN101340733A Method for automatically generating optical service in communication line resource management system |
| 01/07/2009 | CN101340647A Wireless access system and carrier moving method based on centralized base station |
| 01/07/2009 | CN101340255A Apparatus and method for realizing connection protection of low order channel sub-network |
| 01/07/2009 | CN101340247A Method for compensating polarization mode dispersion in wave division multiplexing system |
| 01/07/2009 | CN101340246A Ethernet passive optical network capable of lengthening transmission distance |
| 01/07/2009 | CN101340245A Receiver of multiple code patterns |
| 01/07/2009 | CN101340244A Optical receiving module |
| 01/07/2009 | CN101340243A Method for implementing DQPSK demodulation and apparatus thereof |
| 01/07/2009 | CN101340242A Complete light differential encoder |
| 01/07/2009 | CN101340241A Wireless communication method based on two-dimensional visible light |
| 01/07/2009 | CN101340240A Method and system for remote controlling status of optical module in optical network |
| 01/07/2009 | CN101340238A Determination method and apparatus for connection relation between optical interfaces |
| 01/07/2009 | CN101340237A Optical mechanical apparatus and light transmission component thereof |
| 01/07/2009 | CN101340236A Communicating method and apparatus for breaking cognitive disorder and alienation between strangers |
| 01/07/2009 | CN101339685A Infra-red ray mobile phones payment terminal, payment procedure and system |
| 01/07/2009 | CN101339684A Infra-red ray mobile phones payment terminal, payment procedure and system |
| 01/07/2009 | CN101339346A Device and method for full light generation for quadruple high speed millimeter wave signal |
| 01/07/2009 | CN100450099C Method of generating service route based on light network service flow |
| 01/07/2009 | CN100450062C Protective exchange method in asynchronous transmission mode system with loop layout |
| 01/07/2009 | CN100449978C Wave division multiroute multiplying passive optical network system |
| 01/07/2009 | CN100449967C Equipment for restoring E3/T3 branch signal from synchronous digital transmission system |
| 01/07/2009 | CN100449966C Optical switch reversing device for test of multiple light jaws equipment |
| 01/07/2009 | CN100449965C Preventing damage to optical components from optical time domain reflectometers |