| 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) |
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| 03/24/2004 | CN1484401A Demultiplexing detector for WDM system |
| 03/24/2004 | CN1484391A Method for raising protective inversion reliability in multiplexing section of optical transmission circular network |
| 03/24/2004 | CN1484390A Protective method based on logic sub-optical fibre |
| 03/24/2004 | CN1484389A High-pesolution stereo phonic signal wireless receiver |
| 03/24/2004 | CN1484051A Non-dispersion shifted fibre |
| 03/24/2004 | CN1143462C Optical SNR measurerin WDM optical transmitting device |
| 03/24/2004 | CN1143461C Method for establishing communication on standby link in optical transmission facilities |
| 03/24/2004 | CN1143174C Method and system for generating return-to-zero signals |
| 03/24/2004 | CN1143173C Light amplifier optical transmission equipment, optical transmission system and relative method |
| 03/23/2004 | US6711545 Hand-held transmitter having speech storage actuated by transmission failure |
| 03/23/2004 | US6711359 Optical fiber communication system employing doped optical fiber and Raman amplification |
| 03/23/2004 | US6711358 Optical apparatus using a phase grating |
| 03/23/2004 | US6711332 Highly negative-slope dispersion compensating fiber and transmission system including same |
| 03/23/2004 | US6711327 Device and method for compensating for chromatic dispersion |
| 03/23/2004 | US6711326 Wavelength separation optical device and multiple wavelength light transmission module |
| 03/23/2004 | US6711309 Noise suppression in lightwave communication systems |
| 03/23/2004 | US6711189 Automatic power control and laser slope efficiency normalizing circuit |
| 03/23/2004 | US6710916 Grating-based dispersion compensation devices |
| 03/23/2004 | US6710910 Optical amplitude demodulator |
| 03/23/2004 | US6710904 System for compensating polarization dispersion in an optical transmission system |
| 03/23/2004 | US6710376 Opto-coupler based on integrated forward biased silicon diode LED |
| 03/23/2004 | US6709168 Optical unit with increased reliability |
| 03/23/2004 | CA2278820C Forward error correction for high speed optical transmission systems |
| 03/18/2004 | WO2004023702A2 System and method for optical data communication |
| 03/18/2004 | WO2004023693A2 System and method for high bit-rate optical time division multiplexing (otdm) |
| 03/18/2004 | WO2004023681A1 Optical network system |
| 03/18/2004 | WO2004023680A1 Optical receiver having compensation for kerr effect phase noise |
| 03/18/2004 | WO2004023169A2 Optical communications systems including a branching unit and associated devices and methods |
| 03/18/2004 | WO2003091760A3 Opto-electronic ultra-wideband signal waveform generator and radiator |
| 03/18/2004 | WO2003052976A3 Optical communication system |
| 03/18/2004 | WO2003049350A3 Optical network communication system |
| 03/18/2004 | WO2003043249A8 An implementation method for equalizing a power of densed wavelength division multiplex (dwdm) system |
| 03/18/2004 | US20040054425 Method and apparatus for information conveyance and distribution |
| 03/18/2004 | US20040053644 Radio communication base station system including optical advanced base station |
| 03/18/2004 | US20040052537 Photodiode and amplification circuit; connected by direct current bias |
| 03/18/2004 | US20040052536 Second order predistortion circuit |
| 03/18/2004 | US20040052535 Modulating apparatus, transmitting apparatus and computer program product |
| 03/18/2004 | US20040052534 Method and apparatus for controlling the power level in an optical regenerator |
| 03/18/2004 | US20040052533 System and method for noise suppression in optical communication |
| 03/18/2004 | US20040052532 Laser diode generate continuous light; intensity moderation of wavelength pulsations; bypass filter |
| 03/18/2004 | US20040052531 Data to infrared isolated interface device |
| 03/18/2004 | US20040052530 Optical network with distributed sub-band rejections |
| 03/18/2004 | US20040052524 Method of power control in an optical communication system |
| 03/18/2004 | US20040052523 Reducing defects; wavelength multiplex system; phase change materials; generating signals |
| 03/18/2004 | US20040052522 Measuring optical transmission signal |
| 03/18/2004 | US20040052519 Connecting nodes; optical transmission |
| 03/18/2004 | US20040052518 Provisionable keep-alive signal for physical-layer protection of an optical network |
| 03/18/2004 | US20040052486 Optical fibers and modules for dispersion compensation with simultaneous raman amplification |
| 03/18/2004 | US20040052465 Receiver for a free space optics system which is able to evaluate the causes of a reduction of the received power |
| 03/18/2004 | US20040052453 Automatic raman gain control |
| 03/18/2004 | US20040052451 Optical source generator for wavelength division multiplexing optical communication systems |
| 03/18/2004 | US20040052446 Optical data interface for communication devices |
| 03/18/2004 | US20040052299 Temperature correction calibration system and method for optical controllers |
| 03/18/2004 | US20040052281 Laser device, controller and method for controlling the laser device |
| 03/18/2004 | US20040051937 Raman amplifier |
| 03/18/2004 | DE10339793A1 Video transmission system for motor vehicles has a unit to generate video data linked to a ring network of multiple units and a branch network |
| 03/18/2004 | DE10244304B3 Arrangement for monitoring patch panels at distributor points in data networks has patch cables that can be plugged into connections in patch fields with plugs, each fitted with a transponder |
| 03/18/2004 | DE10240465A1 Method for synchronizing pulse signal with data signal e.g. for optical transmission systems, involves electrically converting decoupled power fraction of optical RZ-signal at optical modulator output |
| 03/17/2004 | EP1398987A1 Wireless communication system with mobile radio transceivers selection function |
| 03/17/2004 | EP1398896A1 Frequency comb for optical frequency division multiplexing network |
| 03/17/2004 | EP1398895A2 Chromatic dispersion compensating apparatus and controlling method of the same |
| 03/17/2004 | EP1398894A2 Light amplifying apparatus for wavelength division multiplexing capable for determining change in number of multiplexed wavelength signals |
| 03/17/2004 | EP1398893A2 Receiver for a free space optics system |
| 03/17/2004 | EP1398653A1 Optical fibers and modules for dispersion compensation with simultaneous raman amplification |
| 03/17/2004 | EP1320797A4 Beamcast (continuous data beaming system) |
| 03/17/2004 | CN1483155A Bidirectional wdm optical communication system with bidirectional optical service channels |
| 03/17/2004 | CN1482814A Full optical wavelength route cross module |
| 03/17/2004 | CN1482758A Low-heating temperature compensation apparatus and method |
| 03/17/2004 | CN1482753A Communication node and switching device |
| 03/17/2004 | CN1482752A Electronic equaliser for optical transmitter |
| 03/17/2004 | CN1482751A Organizing method for automaitic switching optical network node communication structure based on embedded communication channel technique |
| 03/17/2004 | CN1482745A Organizing method for automaitic switching optical network node communication structure based on isolation technique of data communication network |
| 03/17/2004 | CN1482492A Semiconductor photoelectronic device and hybrid wedge-shaped waveguide spot converter integrated component |
| 03/17/2004 | CN1482481A 全光波长转换器 All-optical wavelength converter |
| 03/17/2004 | CN1482476A Optical fibers and modules for dispersion compensation with simultaneous raman amplification |
| 03/17/2004 | CN1482470A Single photon detector with high counting rate |
| 03/17/2004 | CN1142650C Bandwidth flatened wave division multiplexer using graded air tank as output waveguide |
| 03/17/2004 | CN1142649C Method for regenerating return-to-zero code or non-return-to-zero code in high-speed optical communication |
| 03/17/2004 | CN1142641C Intelligent light/electricity/light repeater for optical fibre loop MAN with elastic packet |
| 03/17/2004 | CN1142640C Communication link protection method for chain-type optical fibre network |
| 03/17/2004 | CN1142639C Light emitting circuit with compatibility of conventional mode with burst mode |
| 03/17/2004 | CN1142638C Laser interface front-end circuit |
| 03/16/2004 | US6708004 Method and apparatus for reducing crosstalk between a monitoring channel and a data channel in a WDM optical communication system |
| 03/16/2004 | US6708003 Optical energy transmission system utilizing precise phase and amplitude control |
| 03/16/2004 | US6708002 Modular multiplexing/demultiplexing units in optical transmission systems |
| 03/16/2004 | US6708001 Method and apparatus for transmitting an internet protocol (IP) packet within a fiber optic network |
| 03/16/2004 | US6708000 Photonic node, photonic nodes for transmission and reception, and method of restoring traffic upon occurrence of link failure in optical path network |
| 03/16/2004 | US6707963 Wavelength division multiplexing apparatus |
| 03/16/2004 | US6707962 Method for providing signal power tilt compensation in optical transmission systems |
| 03/16/2004 | US6707957 Compensating for polarisation mode dispersion in optical transmission fibers |
| 03/16/2004 | US6707599 Optical network equipment with triggered data storage |
| 03/16/2004 | US6707550 Wavelength monitor for WDM systems |
| 03/16/2004 | US6707547 Method and apparatus for analyzing wavelength-division multiplexed signal light |
| 03/16/2004 | US6707541 Device and method for detecting polarization mode dispersion |
| 03/16/2004 | US6707030 System and method of automatic dynamic calibration for infrared sensing device |
| 03/16/2004 | US6707024 Bias circuit for a photodetector, and an optical receiver |
| 03/11/2004 | WO2004021612A2 Method for determining the gain spectrum of a raman amplifier in a wdm-transmission system |
| 03/11/2004 | WO2004021611A2 Wireless communication system with high efficiency/high power optical source |
| 03/11/2004 | WO2004021610A1 Method for determining the signal-to-noise ratio for an optical signal |
| 03/11/2004 | WO2004021609A1 Data processing network having an optical network interface |