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)
02/2014
02/25/2014US8660432 Image-rotation prisms and optical interconnects employing the same
02/25/2014US8660431 Method and apparatus for providing communication using a terahertz link
02/25/2014US8660430 Method and a system for optimizing radio network layer to implement the network interconnection, and a method for interconnection between the radio network and the wired network
02/25/2014US8660427 Method and apparatus of the architecture and operation of control processing unit in wavelenght-division-multiplexed photonic burst-switched networks
02/25/2014US8660426 Optical signal to noise ratio monitoring technique and system
02/25/2014US8660425 Optical transmitting device and optical receiving device
02/25/2014US8660423 Circuit, system and method for monitoring an optical fiber network
02/25/2014US8660422 Combined communication and broadcasting dual switching system and method
02/25/2014US8659386 Coding of laser fibers
02/20/2014WO2014027991A1 Trans-impedance amplifiers (tia) thermally isolated from optical modules
02/20/2014WO2014027574A1 Correction device and correction method for light reception power monitor
02/20/2014WO2014026585A1 Single-optical fibre fault handling method and device
02/20/2014WO2013192011A3 Software-defined optical network
02/20/2014WO2013189462A3 Method for prolonging transmission distance of passive optical network system and optical line terminal
02/20/2014WO2013189417A3 Otdr optical path detection device and method
02/20/2014US20140050493 Carrier phase estimation for optically coherent qpsk based on wiener-optimal and adaptive multi-symbol delay detection (msdd)
02/20/2014US20140050491 Apparatus, method, and system for improving bandwidth of a plug and a corresponding receptacle
02/20/2014US20140050490 Optoelectronic component
02/20/2014US20140050488 Communication system for power electronic converters
02/20/2014US20140050487 Wireless communication method, base station and system
02/20/2014US20140050485 Wireless maintenance of intrapersonal communication systems
02/20/2014US20140050484 System using frequency conversions for sub-octave transmission of signals over a fiber optic
02/20/2014US20140050483 Systems, methods, and devices for increasing radio frequency (rf) power in distributed antenna systems
02/20/2014US20140050482 Determining propagation delay of communications in distributed antenna systems, and related components, systems, and methods
02/20/2014US20140050481 Long-haul undersea transmission system and fiber
02/20/2014US20140050480 System and Method for Mitigating Four-Wave-Mixing Effects
02/20/2014US20140050478 Switching and Routing Protocol for a Fiber Optic Transmission System
02/20/2014US20140050474 Method and device for detecting signal power
02/20/2014US20140050473 Sagnac interferometer event sensing and locating device
02/20/2014US20140050472 Mobile terminal for servicing a telecommunication system
02/20/2014US20140050471 Apparatus And Method For Providing Protection In A Passive Optical Network
02/20/2014US20140050470 Method for resizing network connection in the optical transport network supporting protection switching
02/20/2014US20140049183 Recovering Energy From An IrDA/Remote Control Transmitter Circuit
02/20/2014US20140048710 Device and method for modulating transmission of terahertz waves
02/19/2014EP2698934A1 System using frequency conversions for sub-octave transmission of signals over a fiber optic
02/19/2014EP2698933A2 Self injection laser, wave division multiplexing passive optical network system and optical line terminal
02/19/2014EP2698924A2 Single fiber bi-directional optical module, transport system and method based on single fiber bi-directional optical module
02/19/2014EP2697919A2 Method for supporting sncp over packet network
02/19/2014EP2697918A2 Prosthetic socket sealing system and method
02/19/2014EP2697917A1 System and method for establishing secure communications between transceivers in undersea optical communication systems
02/19/2014CN203445988U Fiber protective device for passive optical network
02/19/2014CN203445886U Plastic optical fiber receiver with double photodiode difference input
02/19/2014CN203445885U Plastic fiber receiver
02/19/2014CN203445884U Fiber optical transceiver having wireless network
02/19/2014CN203445883U Optical network unit (ONU) terminal apparatus of Ethernet passive optical network (EPON) system
02/19/2014CN203445882U Practical optical transceiver
02/19/2014CN203445881U CC2430-based FSK communication radio frequency light transmission system
02/19/2014CN203445880U Optical splitter temperature and humidity detection device
02/19/2014CN203445879U Infrared optical fiber fault finding tester
02/19/2014CN103597848A Fault detector for optical network communication system
02/19/2014CN103597759A Mitigating rogue optical network unit (ONU) behavior in a passive optical network (PON)
02/19/2014CN103595887A Optical cable modem Node device with relay function
02/19/2014CN103595688A Visible light communication multiple access method and system based on carrierless amplitude/phase modulation
02/19/2014CN103595659A Mining explosive-proof and intrinsic safety type 10-gigabit looped network switch
02/19/2014CN103595496A System and method for achieving online upgrading of single-star multi-ring wavelength division multiplexing passive optical network and achieving protection function
02/19/2014CN103595488A Optical cable network anti-wiretap device and method
02/19/2014CN103595487A A modularized network type PDH optical transceiver
02/19/2014CN103595486A Burst-mode low-jitter optical transceiver module and operation method thereof
02/19/2014CN103595485A A power self-testing optical transmitter
02/19/2014CN103595484A Temperature-controlled optical transmitter
02/19/2014CN103595483A Multiband modulation light source based on ultraviolet LED
02/19/2014CN103595482A Bias control device and method suitable for dual-polarization IQ modulator
02/19/2014CN103595481A A highly efficient heat radiation optical transceiver
02/19/2014CN103595480A A practical optical transceiver suitable for middle short distances
02/19/2014CN103595479A A fiber transceiver with a fault report and far-end control function
02/19/2014CN103595478A High-reliability GSM-R digital optical fiber repeater and working method thereof
02/19/2014CN103595477A Method and device for carrying out up-conversion on data signals
02/19/2014CN103595476A A USB power supply fiber transmit-receive apparatus
02/19/2014CN103595475A System using frequency conversions for sub-octave transmission of signals over a fiber optic
02/19/2014CN103595474A Node device for optical fiber radio frequency transmission
02/19/2014CN103595473A Burst mode reception control circuit and burst mode light receiver
02/19/2014CN103595472A Data transmission system based on flashlight and photoelectric detector in cell phone
02/19/2014CN103595471A Method, system and device of space optical communication
02/19/2014CN103595470A Low power consumption infrared light communication system
02/19/2014CN103595469A Infrared photoconduction remote control system
02/19/2014CN103595468A Quantum signal test method of high-voltage overhead power line
02/19/2014CN103595467A Power-break alarm indication optical transceiver
02/19/2014CN103595466A Photoelectric multiplex interface equipment and control method thereof
02/19/2014CN103595465A Method and device for protecting elastic optical network
02/19/2014CN103592625A Distributed type time difference receiving machine system based on photoelectric technology
02/19/2014CN102347795B Polyhedron topological structure based method for protecting optical network sharing
02/19/2014CN102318242B Sending and receiving methods of optical signals, devices and systems
02/19/2014CN102170308B Dispatching method, device and system for avoiding dual-terminal monitoring collision of undersea cable optical path
02/19/2014CN102118658B Method and device for port identification of light splitter
02/19/2014CN102075258B Frequency response balancer by using light carrier Brillouin treatment
02/19/2014CN102075251B Optical transceiver
02/19/2014CN101938438B Optical signal generating and receiving methods and devices and optical transmission system
02/19/2014CN101867418B Optical signal receiving method, optical signal receiving device and optical transmission system
02/19/2014CN101682424B Method and system for determining in-band optical noise
02/19/2014CN101588211B Optical fiber, optical transmission path using same and optical communication system
02/18/2014US8655196 Phase control circuit and method for optical receivers
02/18/2014US8655195 Average length magnitude detecting apparatus, and method
02/18/2014US8655194 Method for improving the performance of digital coherent optical receiver using single ended photo-detection
02/18/2014US8655193 Optical multi-level transmission system
02/18/2014US8655192 Polarization diversity optical system device, demodulator and transceiver
02/18/2014US8655191 Symbol timing recovery in polarization division multiplexed coherent optical transmission system
02/18/2014US8655190 Wavelength division multiplexed optical communication system architectures
02/18/2014US8655189 Optical modulation utilizing structures including metamaterials
02/18/2014US8655188 Driver and optical transmission apparatus
02/18/2014US8655187 Data center with free-space optical communications
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