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)
12/2012
12/20/2012US20120321297 Routing and validation of paths in a wavelength switched optical network
12/20/2012US20120321296 Light path characterization, traffic protection, and wavelength defragmentation
12/20/2012US20120321295 Signal path control device
12/20/2012US20120320799 Node device cooperating with switch which implements zones in a fibre channel system
12/20/2012CA2839170A1 Method and apparatus for controlling optical power
12/19/2012EP2536041A2 Parallel conversion between optical and digital
12/19/2012EP2536040A1 Zero mean carrier recovery
12/19/2012EP2536039A1 Method and system for uplink bandwidth allocation in a passive optical network
12/19/2012EP2535816A1 Optical communication system, interface board and control method performed in interface board
12/19/2012EP2534773A1 Method and arrangement for stabilizing a colour coding method for optical transmission of data
12/19/2012EP2534532A1 Interface comprising an isolating member in the receiving branch
12/19/2012EP2534513A1 Optical fiber filter device and method for manufacturing the same
12/19/2012CN202617126U 10G SFP+ (enhanced 8.5 and 10Gigabit small form factor pluggable module) LR optical module
12/19/2012CN202617125U Optical transmission network optimization system
12/19/2012CN202617122U Multi-mode communication terminal for optical fiber transmission
12/19/2012CN202617121U Broadband intelligent micro-power light transmission module
12/19/2012CN102835046A Electronic nonlinearity compensation for optical transmission systems
12/19/2012CN102835044A Multimode optical communication
12/19/2012CN102835043A Method and apparatus for transmitting visibility frame according to sleep mode in visible light communication
12/19/2012CN102834989A Optical amplifier
12/19/2012CN102834705A Monitoring a system using optical reflectometry
12/19/2012CN102833006A Optical receiver
12/19/2012CN102833005A Plastic optical fiber optical transceiver for industrial control bus system
12/19/2012CN102833004A 100G form-factor pluggable (CFP) optical module with transmission distance larger than 40 kilometers
12/19/2012CN102833003A Networking method and device of optical network
12/19/2012CN102833001A Serial communication implementation device of electric power optical fiber composite overhead ground wire (OPGW)
12/19/2012CN102833000A Method and equipment for data transmission
12/19/2012CN102832999A Polarization and intensity characteristic based ultraviolet communication system and communication method
12/19/2012CN102832998A Alarm shielding configuration method
12/19/2012CN102832996A Constant emitting detecting and overcoming method and device of optical module in EPON (Ethernet Passive Optical Network)
12/19/2012CN102832995A Online chromatic dispersion monitoring device and measuring device
12/19/2012CN102832993A Estimation method of communication channel characteristics of multiband indoor visible light
12/19/2012CN102832991A Optical transmitting apparatus
12/19/2012CN102830473A Pluggable optical transceiver and manufacturing method therefor
12/19/2012CN102830472A Pluggable optical transceiver and manufacturing method therefor
12/19/2012CN102830471A Pluggable optical transceiver and manufacturing method therefor
12/19/2012CN102830470A Pluggable optical transceiver and manufacturing method therefor
12/19/2012CN101662324B Method and device for protecting veneer
12/19/2012CN101651494B Device and method for regulating wave band of dispersion compensator
12/19/2012CN101594192B Fault on-line detection method and fault on-line detection device for signal processing equipment and optical interface board
12/19/2012CN101452644B Electronic apparatus
12/19/2012CN101267255B System and method for dual-channel optical phase modulation mm wave generation and remote vibration provision in mm wave optical transmission system
12/18/2012US8335440 Method, system, and apparatus for blind equalization of BPSK signals
12/18/2012US8335439 Method of ethernet frame forward error correction initialization and auto-negotiation
12/18/2012US8335438 Estimating frequency offset using a feedback loop
12/18/2012US8335437 Time synchronization method and device in passive optical network and passive optical network
12/18/2012US8335436 Electronic apparatus
12/18/2012US8335435 Network system
12/18/2012US8335434 All optical fast distributed arbitration in a computer system device
12/18/2012US8335432 Extended broadband passive optical networks
12/18/2012US8335431 Upgraded bandwidth map for ten gigabit passive optical network
12/18/2012US8335430 Optical data transmission apparatus
12/18/2012US8335429 Network termination apparatus
12/18/2012US8335428 Method and system for protection switching
12/18/2012US8335421 Optical transmission system and multi-core optical fiber
12/18/2012US8335410 Opto-electric hybrid module and method of manufacturing the same
12/18/2012US8335240 Methods and apparatus for aligning a communications frame to a predetermined phase
12/18/2012US8334901 Method and system for modulating a light source in a light based positioning system using a DC bias
12/18/2012US8334798 Remote control unit for controlling a plurality of devices and corresponding methods of using the remote control device
12/18/2012US8333518 Radio frequency identification (RFID) in communication connections, including fiber optic components
12/13/2012WO2012170245A2 Transport fiber amplifier with beam quality improvement
12/13/2012WO2012169946A1 Pon supervisoion using otdr measurements
12/13/2012WO2012169248A1 Illuminating system
12/13/2012WO2012168823A1 Coded-light detection system including a camera, light sensor and augmented information display
12/13/2012WO2012168171A1 Fault detector for optical network communication system
12/13/2012WO2012168004A1 Method and system for supervising point to multipoint passive optical networks based on reflectometry systems
12/13/2012WO2012167754A1 Method and device for obtaining performance parameters of optical network link
12/13/2012WO2012167640A1 Method, system and control server for automatically testing single board optical index
12/13/2012WO2012167624A1 Fault processing method, aggregation node and optical network protection system
12/13/2012WO2012167577A1 Method and system for discovering optical network unit
12/13/2012WO2012167572A1 Polybox clustered optical network switching node, optical burst synchronization method and line frame
12/13/2012WO2012167561A1 Laser and single-mode optical fibre telesignalization signal acquisition device
12/13/2012WO2012167560A1 Optical signal transmission switch
12/13/2012WO2012167540A1 Optical fibre recognition method, optical line terminal and recognition system
12/13/2012US20120315052 Input isolation of a transimpedance amplifier in optical receivers
12/13/2012US20120315051 Optical transceiver having enhanced emi tolerance
12/13/2012US20120315050 Device, equipment and method for data transmission by touch
12/13/2012US20120315049 Method and apparatus for optimized analog rf optical links
12/13/2012US20120315048 Mobile location in a remote radio head environment
12/13/2012US20120315046 Passive optical network (pon)-based system and method for providing handover among optical network terminals (onts)
12/13/2012US20120315045 Dynamic bandwidth allocation for upstream transmission in passive optical networks
12/13/2012US20120315043 Transmission method, reception method, transmitter apparatus, and receiver device
12/13/2012US20120315042 Optical ring network architecture
12/13/2012US20120315041 Optical network terminal
12/13/2012US20120315038 Optical access network system
12/13/2012US20120315036 Method And System For Encoding Multi-Level Pulse Amplitude Modulated Signals Using Integrated Optoelectronic Devices
12/13/2012US20120315035 Cell phone/internet communication system for rf isolated areas
12/13/2012US20120315034 Detector And Method Thereof
12/13/2012US20120315033 Optical communication device
12/13/2012US20120315032 Eye safety mechanism for use in optical cable with electrical interfaces
12/13/2012US20120315031 Method and System for Implementing Automatic Protection Switching for Transmission Equipment
12/13/2012US20120315030 Method and system for reducing traffic disturbance in a communication network caused by intermittent failure
12/13/2012US20120314279 Multi-fibre arrangement for high power fibre lasers and amplifiers
12/13/2012US20120312912 Optically-coupled communication interface for a laser-guided projectile
12/12/2012EP2533549A1 Fault detector for optical network communication system
12/12/2012EP2533447A1 Long-distance box and method for processing uplink and downlink lights thereof
12/12/2012EP2533435A1 Spatial mode gain equalization
12/12/2012EP2533434A1 Light receiver
12/12/2012EP2532104A1 Method and apparatus for frame detection and polarization separation
12/12/2012CN202602638U Underground wireless communication system