Patents
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)
11/2009
11/05/2009WO2009132877A1 Optical free space data transmission
11/05/2009WO2009132596A1 Upgraded codeword lock state machine
11/05/2009WO2009132549A1 Extending method,device and system of passive optical network
11/05/2009US20090274471 Method and apparatus for controlling the optical output power from a burst mode laser
11/05/2009US20090274470 Optical Code Communication System
11/05/2009US20090274469 Polarization multiplexed optical transmitting and receiving apparatus
11/05/2009US20090274468 Transceiver module with releasing mechanism
11/05/2009US20090274467 Free-space Photonic Connection Using Wavelength Division Multiplexing And Optical Antenna
11/05/2009US20090274466 Bi-Directional Signal Interface
11/05/2009US20090274464 Method, system and device for setting up wavelength connection
11/05/2009US20090274459 Optical node apparatus
11/05/2009US20090274458 Compact optical multiplexer and demultiplexer
11/05/2009US20090274455 Apparatus and method for performing line analysis of continuous data signals
11/05/2009CA2721317A1 Optical free space data transmission
11/04/2009EP2114025A1 Optical receiving apparatus and optical communication system comprising it
11/04/2009EP2114024A1 System and method for self-generation of reference signals
11/04/2009EP1977549B1 Low jitter clock recovery from a digital baseband data signal transmitted over a wireless medium
11/04/2009EP1320766B1 System and method for signal acquisition in a distance meter
11/04/2009CN201341138Y Differential phase shift keying demodulator based on etalon structure
11/04/2009CN201341137Y Optical transceiver converter
11/04/2009CN201341136Y SFP module for realizing complete digital diagnostic function based on singlechip
11/03/2009US7614074 Burst-mode digital transmitter
11/03/2009US7613959 Data receiving apparatus of a PCI express device
11/03/2009US7613403 Differential multilevel modulated optical signal receiver apparatus
11/03/2009US7613402 Duobinary receiver
11/03/2009US7613401 Optical FM source based on intra-cavity phase and amplitude modulation in lasers
11/03/2009US7613400 Multi-level optical data communication circuit
11/03/2009US7613399 Optical transmission system, optical transmitter, and optical receiver
11/03/2009US7613398 Wavelength-tunable light source and wavelength-division multiplexed transmission system using the source
11/03/2009US7613397 Wavelength division multiplexing optical transmission system and wavelength dispersion compensation unit
11/03/2009US7613396 Multiplexing communication system and crosstalk elimination method
11/03/2009US7613394 Optical switching device
11/03/2009US7613393 Transceiver module and integrated circuit with dual eye openers and integrated loopback and bit error rate testing
11/03/2009US7613392 1:N protection in an optical terminal
11/03/2009US7613391 Optical signal switching device for use in an optical protection network
11/03/2009US7613370 Optical switch and method of adjusting optical switch
11/03/2009US7613366 Polarization mode dispersion compensator and polarization mode dispersion compensating method
11/03/2009US7613187 Shared LAN emulation method and apparatus having VLAN recognition and LLID management functions on EPON
11/03/2009US7612936 Optical amplifying apparatus for wavelength division multiplexed signals
11/03/2009US7612329 Apparatus and method for free space optical communications beam steering without gimbals
11/03/2009US7612322 Temperature-compensated high dynamic range optical receiver
11/03/2009CA2451115C Atmospheric optical data transmission system
10/2009
10/29/2009WO2009132022A1 Dual-filter optical network interface unit and method of removing noise using same
10/29/2009WO2009131858A2 Method and apparatus for data privacy in passive optical networks
10/29/2009WO2009131414A2 Optical signal monitoring apparatus and a production method for the same, and system and method for light source analysis
10/29/2009WO2009129772A1 Wireless data transmission by way of terathertz waves
10/29/2009WO2009129647A1 Fiber network monitoring
10/29/2009US20090269084 Light receiving circuit and digital system
10/29/2009US20090269083 Space diversity receiver for optical communications
10/29/2009US20090269082 Heterodyne receiver using differential temperature control of laser sources
10/29/2009US20090269080 Optical transmitting apparatus
10/29/2009US20090269079 Optical signal transmission control apparatus and optical signal transmission control method
10/29/2009US20090269078 Dispersion compensator and optical communication device having same
10/29/2009US20090269077 Pluggable transceiver with bi-directional optical sub-assembly
10/29/2009US20090269076 Systems and methods for optical receiver decision threshold optimization
10/29/2009US20090269075 Electro-optical assembly and method for making an electro-optical assembly
10/29/2009US20090269074 System for Free Space Optical Communication and Method for Operation Thereof
10/29/2009US20090269073 Transmitter apparatus and communication system
10/29/2009US20090269069 Passive wave division multiplexed transmitter having a directly modulated laser array
10/29/2009US20090269062 Ship with a data network
10/29/2009US20090269059 Long-reach passive optical network using remote modulation of an amplification optical signal
10/29/2009US20090269058 System and Method for Self-Generation of Reference Signals
10/29/2009US20090269057 Wavelength route selection system and wavelength route selection method
10/29/2009US20090269056 Bit error rate based system and method for optimizing communication system performance
10/29/2009US20090269055 Channel balancing algorithm
10/29/2009US20090269053 Method and apparatus for detecting passive optical network failures, and passive optical network system thereof
10/29/2009US20090269051 Method of controlling optical output power and passive optical network system using the same
10/29/2009US20090268766 Optical transmitter applicable to burst signal and method for controlling the same
10/29/2009US20090268764 Multisectional laser
10/29/2009US20090268749 Enhanced cmts for reliability, availability, and serviceability
10/29/2009US20090267778 Optical signal quality monitoring
10/29/2009DE102008020466A1 Drahtlose Datenübertragung mit Terahertz-Wellen Wireless data transmission with terahertz waves
10/29/2009DE102008019066A1 Verfahren zur atmosphärischen optischen Freiraumübertragung von digitalen Signalen und Empfänger für das Verfahren A method for atmospheric optical free-space transmission of digital signals and receiver for the process
10/29/2009CA2723462A1 Fiber network monitoring
10/28/2009EP2112774A1 Output control system and communications method
10/28/2009EP2112728A1 Device for detecting wavelength shift, system for locking wavelength and methods thereof
10/28/2009EP2112725A1 An optical modulation system and method
10/28/2009EP1368911B1 Improvements in optical data receiver systems
10/28/2009CN101568051A Method and device for restoring acoustical signal by using laser
10/28/2009CN101568045A System for saving single-fiber bidirectional hybrid passive optical network decoder/coder and transmission method
10/28/2009CN101567842A Method, device and system for transmitting and receiving service data
10/28/2009CN101567799A Automatic configuring method of optical network unit
10/28/2009CN101567728A Data transmission system and data transmission method for underwater acoustic network
10/28/2009CN101567726A Method for processing frame data, optical network unit, optical line terminal and optical network system
10/28/2009CN101567725A Method and device for inhibiting stimulated Brillouin scattering based on multiple frequency phase modulation
10/28/2009CN101567724A Network situation detection system and method
10/28/2009CN101567723A Microwave frequency measuring method based on optical power detection and device thereof
10/28/2009CN101567722A Device and method for optical fiber detection
10/28/2009CN101567721A Beam-capturing scanning method for rapidly establishing laser link between relay satellite and user satellite
10/28/2009CN101566777A Integrated optoelectronic device based on sideband injection locking and used for generating high-frequency microwaves
10/28/2009CN100555917C Optical transfer comprehensive access PDH device in multiple services
10/28/2009CN100555916C Improvements in or relating to signal transmission in an optical system
10/28/2009CN100555915C Single-chip integrated single-fiber bi-directional transceiver for fiber-to-the-home
10/28/2009CN100555914C Information reception device, information transmission system, and information reception method
10/28/2009CN100555913C Automatic bit rate control circuit
10/28/2009CN100555027C Optical modulation apparatus
10/27/2009US7610494 Encrypted microcode update of an optical transceiver
10/27/2009US7609982 RZ-DPSK optical receiver circuit
10/27/2009US7609981 Deliberate signal degradation for optimizing receiver control loops
10/27/2009US7609980 Optical receiver and discrimination-threshold generating method