Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › 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
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)
11/2012
11/28/2012CN102801475A Single-fiber bidirectional optical assembly and dual-transmitter dual-receiver optical module
11/28/2012CN102801473A Visible light video communication system based on digital signal processing
11/28/2012CN102801471A Visible light communication system and method for portable device
11/28/2012CN102801470A Signal light emission device and light communication system
11/28/2012CN102801469A Optical fiber time frequency hybrid transmission method
11/28/2012CN102801468A Optical network fault location method based on minimum dominating set clustering
11/28/2012CN102801466A Method and device for handling single optical fiber fault
11/28/2012CN102801465A Online bidirectional testing unit of optical main distribution frame based on concentrated light measurement
11/28/2012CN102801464A Method, conveying device and system for detecting submarine optical cable circuit
11/28/2012CN102801462A Method and device for detecting optical fiber connection
11/28/2012CN102801435A C3I system applicable to small satellite launch site
11/28/2012CN102798947A Pluggable optical transceiver and method for manufacturing the same
11/28/2012CN101938285B Method and device for realizing RRU data interface by using ping-pong operation
11/28/2012CN101686085B Optical coherent receiver as well as performance monitoring device and method thereof
11/28/2012CN101141219B Device and method for implementing wavelength division multiplexing system channel power pitch dynamic compensation
11/28/2012CN101133576B Method and apparatus for PMD mitigation in optical communication systems
11/28/2012CN101079679B Optical multiplex communication system and delay quantity adjustment method
11/27/2012US8320779 Light receiver, optical communication system and method
11/27/2012US8320778 Blind equalization algorithms for adaptive polarization recovery and PMD compensation
11/27/2012US8320777 Temperature controlled interferometer for phase demodulation
11/27/2012US8320776 Infrared transmitter
11/27/2012US8320775 Method and device for bias control of a laser MZ modulator
11/27/2012US8320774 Apparatus and method for adjustment of interference contrast in an interferometric quantum cryptography apparatus by tuning emitter wavelength
11/27/2012US8320773 Reducing cross-modulation in multichannel modulated optical systems
11/27/2012US8320772 Optical transmission apparatus
11/27/2012US8320771 Optical transmission system and repeater
11/27/2012US8320770 Clock and data recovery for differential quadrature phase shift keying
11/27/2012US8320769 Transverse-mode multiplexing for optical communication systems
11/27/2012US8320768 Communication link apparatus and method for maintaining visibility in visible light communication
11/27/2012US8320767 Free-space photonic connection using wavelength division multiplexing and optical antenna
11/27/2012US8320766 Inline optoelectronic converter and associated methods
11/27/2012US8320765 Optical signal transfer device
11/27/2012US8320764 Combined phase and polarization modulation for optical communication
11/27/2012US8320762 Methods and systems for bandwidths doubling in an ethernet passive optical network
11/27/2012US8320758 Channel monitor and method for estimating optical power
11/27/2012US8320757 Method and device for starting up an optical transmission link
11/27/2012US8320409 Methods and apparatus for improved communications networks
11/27/2012US8320040 Multi-wavelength light amplifier
11/27/2012US8320039 Cladding-pumped optical amplifier having reduced susceptibility to spurious lasing
11/27/2012US8316555 Non-contact data transfer from moving systems
11/27/2012CA2463500C Transmitter photonic integrated circuit (txpic) chip architectures and drive systems and wavelength stabilization for txpics
11/22/2012WO2012158451A1 Optical protection and switch enabled optical repeating
11/22/2012WO2012157182A1 Synchronous signal transmission system, synchronous drive system for optical modulator, synchronous signal transmission method, and non-temporary computer-readable medium storing program therefor
11/22/2012WO2012156978A1 Distributed sensing employing stimulated brillouin scattering in optical fibers
11/22/2012WO2012156487A1 Alignment of a data signal to an alignment signal
11/22/2012WO2012155715A1 Method and device for demodulating optical pilot tone signal
11/22/2012WO2012155710A1 Method and device for implementing mapping and demapping of otn service
11/22/2012WO2012155682A1 Alarm management method and device of terminal apparatus of passive optical network
11/22/2012WO2012155671A1 Optical port switchover method and system of optical network unit
11/22/2012WO2012155667A1 Processing method, device and system after disappearance of fault on bidirectional work path
11/22/2012WO2012155654A1 An optical amplifier
11/22/2012WO2012155572A1 Method and device for parameter emulation
11/22/2012WO2012097401A3 Self-tuning receiver for coherent optical ofdm
11/22/2012US20120295662 Universal Remote
11/22/2012US20120294630 Blind Carrier Frequency Offset Detection for Coherent Receivers Using Quadrature Amplitude Modulation Formats
11/22/2012US20120294629 Method for Improving the Performance of Digital Coherent Optical Receiver Using Single Ended Photo-Detection
11/22/2012US20120294628 Light source unit and communication apparatus
11/22/2012US20120294627 Optical modulation method and system
11/22/2012US20120294626 Method to assign a customer premises equipment to a subscriber's data record, demarcation point unit, and network element
11/22/2012US20120294625 Communication system and method
11/22/2012US20120294624 Textile-structure optical communication interface device and system
11/22/2012US20120294623 Optical transceiver module for controlling power in lane
11/22/2012US20120294622 Alignment of a data signal to an alignment signal
11/22/2012US20120294621 Bi-directional, compact, multi-path and free space channel replicator
11/22/2012US20120294619 Novel architecture for undersea repeaterless systems
11/22/2012US20120294616 Optical communication system, optical transmitter, optical receiver, and optical transponder
11/22/2012US20120294615 Long-distance box and method for processing uplink and downlink light thereof
11/22/2012US20120294613 Method for onu registration in a passive optical network
11/22/2012US20120294610 Methods and systems for automatic carving and policy enforcement for optical transport network hierarchy
11/22/2012US20120294607 Optical pumping and powering in spatially multiplexed transmission links
11/22/2012US20120294606 System and method for enhancement of ethernet link loss forwarding
11/22/2012US20120294605 Transponder, repeater, and terminal equipment
11/22/2012US20120294604 Optical protection and switch enabled optical repeating
11/22/2012US20120294603 Method and System for Service Protection
11/22/2012US20120293804 System and Method for Measuring Optical Signal-to-Noise Ratio
11/22/2012US20120293722 Relay Device and Speaker Apparatus
11/21/2012EP2525630A1 Illumination apparatus
11/21/2012EP2525334A1 Relay device and speaker apparatus
11/21/2012EP2524458A1 Network element
11/21/2012CN202551048U Transmission system of voltage type analog signal in private network
11/21/2012CN202551047U Transmission system of ethernet signal in private network
11/21/2012CN202551046U Optical amplifier
11/21/2012CN202551045U Amplitude modulation optical receiver
11/21/2012CN202551044U Lightning protection type optical receiver
11/21/2012CN202551043U Laser transmitter
11/21/2012CN202551041U Optical transmitter
11/21/2012CN202551039U Transmission system of current type analog signal in private network
11/21/2012CN202551038U Transmission system of resistive type analog signal in private network
11/21/2012CN202551037U Input optical power display device for optical receiver
11/21/2012CN202551036U Multi-channel multiplexed optical channel monitoring structure
11/21/2012CN202551035U Optical link switching control apparatus and optical network protection system
11/21/2012CN202551033U All-optical network intelligent interface device
11/21/2012CN102792614A Dual drive externally modulated laser
11/21/2012CN102792613A An optical communications system
11/21/2012CN102792612A Method of directing an optical receiver toward a light source and an apparatus of practising the method
11/21/2012CN102790648A Signal receiving and transmitting device and communication method thereof
11/21/2012CN102790645A Multi-path visible light communication based scrambling and descrambling system and method
11/21/2012CN102790644A Optical fiber detection system, optical fiber detection device and method thereof
11/21/2012CN102790643A Parameter simulation processing method and device
11/21/2012CN102111216B Laser transmission module for fibre-optical communication
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