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)
11/2013
11/19/2013US8588565 Coherent optical detector having a multifunctional waveguide grating
11/19/2013US8588560 Optical 90-degree hybrid circuit
11/19/2013US8587864 Inexpensive variable rep-rate source for high-energy, ultrafast lasers
11/19/2013CA2499091C Method for transmitting optical polarization multiplex signals
11/14/2013WO2013169158A1 Node and method for iterative improvement of spectral use
11/14/2013WO2013169150A1 Monitoring of a pon
11/14/2013WO2013167355A1 System for transmitting data signals in an optical transmission medium
11/14/2013WO2013167272A1 Data communication device
11/14/2013WO2013167074A2 Method, system, and device for detecting optical signal-to-noise ratio
11/14/2013WO2013167058A2 Visible light communication method, device and system
11/14/2013WO2013167026A2 Time synchronization apparatus and method for automatically detecting the asymmetry of an optical fiber
11/14/2013WO2013166958A1 Visible-light communication-based encryption, decryption and encryption/decryption method and system
11/14/2013US20130302042 Optical receiver
11/14/2013US20130302041 Optical receiver and method for optical reception
11/14/2013US20130302039 Electronic dispersion correction circuit for optical transmission system
11/14/2013US20130302038 Electronic dispersion correction circuit for optical transmission system
11/14/2013US20130302037 Device for sending and receiving sata signals over an optical fiber link
11/14/2013US20130302036 Circuit board assembly having optical transceivers for signal transmission
11/14/2013US20130302031 Optical transmitter and optical signal transmission method
11/14/2013US20130302029 Wavelength tuning time measurement apparatus and method for multi-wavelength passive optical network
11/14/2013US20130302027 Optical measurement method and system
11/14/2013US20130302026 Apparatus and method for searching a communication network including an asymmetry node for a route
11/14/2013US20130301661 Optical Signal Processing
11/14/2013US20130301115 Highly rare-earth-doped optical fibers for fiber lasers and amplifiers
11/14/2013US20130300314 Setting up hybrid coded-light - ZigBee lighting system
11/14/2013US20130298380 Method of manufacturing photonic bandgap fiber
11/14/2013DE102012207701A1 System zur Datensignalübertragung in einem optischen Übertragungsmedium A system for data signal transmission in an optical transmission medium
11/13/2013EP2662995A1 Method, device and system for optical power debugging
11/13/2013EP2662680A1 Array connector test harness for single-ended optical test instruments
11/13/2013EP2661827A1 Apparatus and method for generating interleaved return-to-zero (irz) polarization-division multiplexed (pdm) signals
11/13/2013EP2661826A1 Apparatus and method for monitoring an optical coherent network
11/13/2013CN203289451U High-sensitivity infrared receiving circuit
11/13/2013CN203289450U Infrared receiver
11/13/2013CN203289449U Analog/digital modulation-demodulation optical fiber communication simple system
11/13/2013CN203289448U A switched industrial-grade fiber transceiver
11/13/2013CN203289447U A multiport RS232/485 industrial data optical transmitter and receiver
11/13/2013CN203289446U An optical assembly with an OTRD function realized through the utilization of convergent light
11/13/2013CN203289445U CAN network based on optical fiber communication
11/13/2013CN203289444U A fiber controllable time delayer
11/13/2013CN203289443U A fiber link automatic exchanger based on SOAs
11/13/2013CN203289442U Time switching automatic mode telephone system based on optical fiber communication
11/13/2013CN203289441U Infrared receiving circuit
11/13/2013CN203289440U Integrated laser communication experiment device
11/13/2013CN203289439U Double-mode optical time domain reflectometer
11/13/2013CN203289438U Optical-cable identification physical positioning instrument based on optical-fiber interference cross-correlation arithmetic
11/13/2013CN203288755U RoF-type phase control active integrated antenna array suitable for FDD system
11/13/2013CN103392305A Pcie signal transmission method and apparatus
11/13/2013CN103392304A Alarming inhibiting method and optical network device
11/13/2013CN103392303A Receiving end detection method, detection circuit, optical module and system
11/13/2013CN103392302A Optical path switching
11/13/2013CN103391485A Digital all-optical distributed system allowing multiple-service access
11/13/2013CN103391138A Quick-initialization digital automatic light power control circuit for laser driver
11/13/2013CN103391137A 1*9 low-rate optical module with DDM (data distribution management) function
11/13/2013CN103391136A Multi-drop optical communication
11/13/2013CN103391135A Carbon fiber photoelectric composite conducting wire remote communication system
11/13/2013CN103391134A Measuring method for link loss in light-emitting diode (LED) visible light communication system
11/13/2013CN103391133A Digital optical fiber repeater system capable of carrying out annular networking self-healing and data communication method thereof
11/13/2013CN102436044B Plug type single-fiber three-way photoelectric component
11/13/2013CN102158410B Lightest carrying optical track resource allocation system for optical track network
11/13/2013CN102111223B Two-waveband radio frequency (RF) optical transmission module
11/13/2013CN102111222B Full-light generator of ultra wide band (UWB) multi-cycle pulse signals
11/13/2013CN102098107B Ultra wideband pulse signal generator
11/13/2013CN102045120B Vibration signal identification method for optical fiber perimeter system
11/13/2013CN101527600B Coherent optical receiver and adjusting method thereof
11/12/2013US8583395 Self-testing optical transceiver
11/12/2013US8582985 Input isolation of a transimpedance amplifier in optical receivers
11/12/2013US8582984 Waveform controller, responsive element module, optical switch apparatus, responsive element and optical switch apparatus control method
11/12/2013US8582983 Method and system for generation of coherent subcarriers
11/12/2013US8582981 Optical transmitter and control method therefor
11/12/2013US8582980 Optical device and optical modulation method
11/12/2013US8582979 Method and arrangement for transmitting an optical OFDM-signal
11/12/2013US8582978 Logging mechanism for an intelligent transmitter module
11/12/2013US8582977 Optical transmission system and optical transmission method
11/12/2013US8582976 Transmission of broadband signals
11/12/2013US8582975 Wavelength division multiplexed passive optical network
11/12/2013US8582974 Inter-transceiver module communication for firmware upgrade
11/12/2013US8582973 Data communication apparatus, electronic camera, and data communication system
11/12/2013US8582970 Office-side line concentration device, access control device, and computer program therefor
11/12/2013US8582969 Passive optical network (PON) having optical network unit (ONU) using feedback to detect rogue conditions and related method
11/12/2013US8582967 Device for multicast of optical signals in the internet and other networks
11/12/2013US8582966 Method and apparatus for protection switching in passive optical network
11/12/2013US8582932 Method and device for transmission of optical data between transmitter station and receiver station via of a multi-mode light wave guide
11/12/2013US8582459 Communication apparatus at subscriber home
11/12/2013US8582201 Inexpensive variable rep-rate source for high-energy, ultrafast lasers
11/12/2013US8582093 Signal light monitoring apparatus and signal light monitoring method
11/09/2013CA2815373A1 Electronic dispersion correction circuit for optical transmission system
11/09/2013CA2815309A1 Electronic dispersion correction circuit for optical transmission system
11/08/2013CA2815316A1 Array connector test harness for single-ended optical test instruments
11/07/2013WO2013165751A1 Methods and apparatus for modulating light to concurrently convey high rate data and low rate data
11/07/2013WO2013165340A1 CONVERGED FABRIC FOR FCoE
11/07/2013WO2013164604A1 Controlling bias voltages for optical modulators
11/07/2013WO2013164009A1 Radio frequency signal transceiver, coherent radar receiver and method of processing radio frequency signals
11/07/2013WO2009054715A8 Multimode fiber
11/07/2013US20130294784 Optical signal processing device and optical signal processing method
11/07/2013US20130294782 Methods and Systems for Optical Receivers
11/07/2013US20130294779 Circuit board assembly employing optical transceiver for signal transmission
11/07/2013US20130294778 Optical Connector and Stack Module Including the Same
11/07/2013US20130294770 Monitoring system, monitoring method and monitoring program
11/07/2013US20130294769 Bit error generation system for optical networks
11/07/2013US20130294768 Optical layer monitoring apparatus and method thereof
1 ... 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 ... 732