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)
08/2007
08/07/2007US7254418 System, method, apparatus, control method thereof and computer program for wireless communications
08/07/2007US7254368 Audio system and head attachment audio unit
08/07/2007US7254345 Receiver and receiving method capable of detecting an eye aperture size formed by reception data signals
08/07/2007US7254344 Passive optical network using loop back of multi-wavelength light generated at central office
08/07/2007US7254343 Method and apparatus for data recovery in an optical transmission system
08/07/2007US7254342 Method and system for transmitting information in an optical communication system with low signal distortion
08/07/2007US7254341 System and method for dispersion compensation in an optical communication system
08/07/2007US7254340 Apparatus and method for tracking optical wavelength in WDM passive optical network using loop-back light source
08/07/2007US7254339 Power controlling network element
08/07/2007US7254334 Multiplex optical communication system
08/07/2007US7254333 Low-cost WDM terminal device accommodating plurality of client signal
08/07/2007US7254332 Wavelength division multiplexing passive optical network system
08/07/2007US7254331 System and method for multiple bit optical data transmission in memory systems
08/07/2007US7254330 Single fiber passive optical network wavelength division multiplex overlay
08/07/2007US7254329 Method and system for multi-initiator support to streaming devices in a fibre channel network
08/07/2007US7254328 Reconfigurable directional optical system
08/07/2007US7254327 Switching status and performance monitoring technology for wavelength selective switch and optical networks
08/07/2007US7254326 Optical transmission system with raman amplifiers comprising a supervisory system
08/07/2007US7254325 Method and system for optical performance monitoring
08/07/2007US7254289 System and method to minimize modulation instability
08/07/2007US7253944 Multi-stage raman amplifier
08/07/2007US7253943 Phase optimization apparatus and method for obtaining maximum extinction ratio in mach-zehnder interferometer wavelength converter using cross phase modulation of semiconductor optical amplifier
08/07/2007US7253897 Optical spectrum analyzer
08/07/2007US7253566 Methods and apparatus for controlling devices in a networked lighting system
08/07/2007US7252439 Blade-type optical transmission apparatus
08/07/2007CA2447177C Light conductor coupling
08/07/2007CA2300780C Integrated photonic switch
08/07/2007CA2292348C Optical amplifier
08/02/2007WO2007086777A1 Passive fibre-optic network
08/02/2007WO2007086514A1 Optical wavelength multiplexing access system
08/02/2007WO2007086043A1 Low jitter clock recovery from a digital baseband data signal transmitted over a wireless medium
08/02/2007WO2007085513A1 Apparatus and method for sending at least one secret parameter within an area, as well as an arrangement having at least one transmitter and an area
08/02/2007WO2007085345A2 Optical coupling device and method for the production thereof
08/02/2007WO2007046840A3 Active bulkhead transceiver
08/02/2007WO2007038556A3 Optical receiver protection circuit
08/02/2007WO2007032896A3 Dynamic switching between mlse and linear equalizer for single antenna interference cancellation in a gsm communication system
08/02/2007US20070177885 Optical receiver
08/02/2007US20070177884 Optical receiver
08/02/2007US20070177882 Optical transmitter apparatus
08/02/2007US20070177881 Optical communications device and optical communications system
08/02/2007US20070177880 Retromodulation-based data communication
08/02/2007US20070177879 Host-independent link validation between optical communications modules
08/02/2007US20070177878 Dispersion compensating method and dispersion compensating apparatus
08/02/2007US20070177877 Wavelength division multiplex (WDM) transmission system
08/02/2007US20070177876 Chromatic dispersion monitoring method and chromatic dispersion monitoring apparatus, and optical transmission system
08/02/2007US20070177872 Digital overlay
08/02/2007US20070177871 Method for transmitting a burst using wavelength separation in optical burst switching system
08/02/2007US20070177516 Transmission device serially resetting each circuit included therein
08/02/2007US20070177151 Interferometer for demodulating differential M-phase shift keying signal
08/02/2007DE112004002945T5 Anzeigesystem mit nicht-sichtbarer Datenprojektion Display system with non-visible data projection
08/02/2007DE10334837B4 Integrierter Transceiver-Schaltkreis und Kommunikationsbaugruppe Integrated transceiver circuit and communication module
08/02/2007DE10227544B4 Vorrichtung zur optischen Datenübertragung Device for optical data transmission
08/01/2007EP1814247A1 Identification methods of domain-to-domain link based on automatically switched optical network
08/01/2007EP1814245A1 Chromatic dispersion monitoring method and chromatic dispersion monitoring apparatus
08/01/2007EP1813042A1 Communications method, particularly for a mobile radio network
08/01/2007EP1813037A1 An optical pulse source for use in broadband photonic communication systems
08/01/2007EP1374463B1 Optically amplified back-up receiver
08/01/2007EP1064739B1 Protection of wdm-channels
08/01/2007CN2930115Y Data processor with optic fiber network function
08/01/2007CN2930114Y Photoelectric module pull ring type de-locking device
08/01/2007CN1330198C Free space optical terminal with ad hoc network back-up and associated methods
08/01/2007CN1330119C Light signal regulating method and light transmission system for high-speed transmission system
08/01/2007CN1330118C Distributed base stations and data interactive method
08/01/2007CN1330117C Device for protecting fibre lines against destruction by laser radiation
08/01/2007CN1330116C Method for configuring signaling channel in optical network
08/01/2007CN1329756C Optical fiber and an optical transmission system using the optical fiber
08/01/2007CN101010898A Two-stage optical bi-directional transceiver
08/01/2007CN101009652A The method for downlink stream control information transfer in the Ethernet passive optical network
08/01/2007CN101009522A Control method and device for high duplication of making the optical fiber grating
08/01/2007CN101009521A A protection device for the optical fiber line in the passive optical network and its method
08/01/2007CN101009520A A novel optical fiber grating temperature compensation encapsulation method
08/01/2007CN101009519A A monitoring instrument for diffraction grating light signal with dual channel structure
08/01/2007CN101009518A Processing method of the failure relevancy monitoring for serial connection at different levels
08/01/2007CN101008696A Circuit device for isolating signal line
08/01/2007CN101008570A Method for separating thermal noise, shot noise and intensity noise of optical fiber gyroscope
07/2007
07/31/2007US7251731 Call set-up from a mobile radio telephone terminal with biometric authentication
07/31/2007US7251418 Signal receiver having light guide for guiding light transmitted from remote control
07/31/2007US7251417 Method and apparatus for optimization of dispersion-managed return-to-zero transmission by employing optical pulses having variable widths
07/31/2007US7251397 Encoder/decoder for optical CDMA
07/31/2007US7251297 Method and system to identify and characterize nonlinearities in optical communications channels
07/31/2007US7251072 Optical transmission system
07/31/2007US7251071 Transient control in optical transmission systems
07/31/2007US7250778 Wafer test apparatus including optical elements and method of using the test apparatus
07/31/2007CA2292315C Universal optical network unit for use in narrowband and broadband access networks
07/26/2007WO2007084476A1 Use of beacons in a wdm communication system
07/26/2007WO2007083365A1 Optical network system
07/26/2007WO2007082490A1 A passive optical network, equipment and method for supporting the multicast service
07/26/2007WO2007082478A1 A method for mapping the service stream to the service transmission channel, system and optical network terminator thereof
07/26/2007WO2007067823A3 A balanced optical-radiofrequency phase detector
07/26/2007WO2007056653A3 System and method for optical network demarcation
07/26/2007WO2005101701A3 Optical fiber communications method and system without a remote electrical power supply
07/26/2007US20070174890 Synchronized multipoint-to-point communication using orthogonal frequency division
07/26/2007US20070172242 Optical signal regenerator and transmission system
07/26/2007US20070172241 Apparatus for transmitting signals between ultra wideband networks
07/26/2007US20070172240 Optical add/drop multiplexer and optical network system
07/26/2007US20070172239 Optical transmission system
07/26/2007US20070172238 Optical transmission apparatus in ring transmission system
07/26/2007US20070172237 Methods and apparatus for optimizing utilization in reconfigurable optical add-drop multiplexer based ring network
07/26/2007US20070172236 Optical switching device, optical access network, optical switching method, program, and recording medium
07/26/2007US20070172170 Apparatus and method for very high data rate optical transmission, and the use of said apparatus and said method