| 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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| 03/06/2002 | EP1185005A1 Method for narrowing the wavelength spacing of a wavelength monitor in a laser system |
| 03/06/2002 | EP1184949A2 Electroabsorption modulator integrated distributed feedback laser transmitter |
| 03/06/2002 | EP1184660A2 Method and apparatus for an extended wavelength range coherent optical spectrum analyzer |
| 03/06/2002 | EP1183801A1 A highly scalable modular optical amplifier based subsystem |
| 03/06/2002 | EP1183800A1 Dispersion compensation module |
| 03/06/2002 | EP1183799A1 Regenerator with reconstitution of an optical signal carrier wave |
| 03/06/2002 | EP1183798A1 Method and apparatus for optical transmission control using compensating channels |
| 03/06/2002 | EP1183797A1 Dual homing for dwdm networks in fiber rings |
| 03/06/2002 | EP1010026B1 Dispersion compensating waveguide for optical transmission systems |
| 03/06/2002 | EP0972363B1 Method for transmitting additional data signals and a useful data signal by means of optical links |
| 03/06/2002 | EP0939885B1 A method and an optical receiver for measuring optical power |
| 03/06/2002 | CN2481069Y Speech sound guest welcome device |
| 03/06/2002 | CN2481068Y Wide band optical receiving module |
| 03/06/2002 | CN1339188A Gain flattening in fiber amplifiers |
| 03/06/2002 | CN1338874A Adjustable failure switching instrument for optical fibre network |
| 03/06/2002 | CN1338837A Device, method and system for transmitting frames |
| 03/06/2002 | CN1338832A ATM passive optical network dual system and method, optical path terminal and network unit |
| 03/06/2002 | CN1338831A Optical fibre channel tester |
| 03/06/2002 | CN1338830A Array-type integrated sensor based on weak-light electromechanical system for emitting or receiving laser |
| 03/06/2002 | CN1338829A Digital visiting card device able to mutually transmit information |
| 03/06/2002 | CN1338826A System and method for communications between embeded equipments with visual images |
| 03/06/2002 | CN1338654A Variable optical attenuator for providing Faraday element with magnet field to produce polarization rotation |
| 03/06/2002 | CN1338653A Variable optical attenuator for providing Faraday element with magnet field to produce polarization rotation |
| 03/06/2002 | CN1338620A Method and device for monitoring signal transmission in optical transmission system |
| 03/06/2002 | CN1080496C Crytographic receiver |
| 03/06/2002 | CN1080491C Dark pulse generation and transmission |
| 03/05/2002 | US6353750 Living body inspecting apparatus and noninvasive blood analyzer using the same |
| 03/05/2002 | US6353693 Optical communication device and slip ring unit for an electronic component-mounting apparatus |
| 03/05/2002 | US6353496 Wavelength division multiplexing erbium doped fiber amplifier which outputs constant power per channel and amplifying method thereof |
| 03/05/2002 | US6353491 Optical communication module |
| 03/05/2002 | US6353490 C/N performance of broadband two-way transmission of RF signals over transmission mediums with limited bandwidth |
| 03/01/2002 | CA2356421A1 Optical fiber and optical transmission line using this optical fiber |
| 03/01/2002 | CA2355564A1 Optical distribution network system with large usable bandwidth for dba |
| 02/28/2002 | WO2002017636A1 Transceiver applications in hfc networks |
| 02/28/2002 | WO2002017522A2 Method and system for transmitting signals with spectrally enriched optical pulses |
| 02/28/2002 | WO2002017521A2 Method of adaptive signal degradation compensation |
| 02/28/2002 | WO2002017520A1 Gain control in raman amplifiers |
| 02/28/2002 | WO2002017519A1 Amplifier system with a discrete raman fiber amplifier module |
| 02/28/2002 | WO2002017518A1 Amplifier system with distributed and discrete raman fiber amplifiers |
| 02/28/2002 | WO2002017517A1 Multi-level optical signal generation |
| 02/28/2002 | WO2002017516A2 Holographic optical transceiver employing diffractive optic for atmospheric free space telecommunication |
| 02/28/2002 | WO2002017515A2 Optical channel monitoring chip |
| 02/28/2002 | WO2002017010A1 Optical communication system, method of providing excitation light, and distributed raman amplifier |
| 02/28/2002 | WO2001078442A3 Earphones and microphone (personal speaking device) that do not transmit or emit microwave radiation or any other dangerous radiation |
| 02/28/2002 | WO2001073902A3 An optical communication device including a semitransparent optical detector |
| 02/28/2002 | WO2001067141A3 Fiber amplifier with fast transient response and constant gain |
| 02/28/2002 | US20020025115 Optical component |
| 02/28/2002 | US20020025109 Optical wavelength division multiplexed system using wavelength splitters |
| 02/28/2002 | US20020025041 Cryptographic key distribution method and apparatus thereof |
| 02/28/2002 | US20020024983 Semiconductor laser and system for and method of performing digital optical communications using such semiconductor laser |
| 02/28/2002 | US20020024738 Broad band controlled angle analog diffuser and associated methods |
| 02/28/2002 | US20020024736 Variable optical wavelength filter |
| 02/28/2002 | US20020024724 Optical amplification apparatus |
| 02/28/2002 | US20020024723 Optical amplifying apparatus, complex optical amplifying apparatus, and optical communication system |
| 02/28/2002 | US20020024722 Raman amplifier and optical communication system |
| 02/28/2002 | US20020024720 Raman amplifier |
| 02/28/2002 | US20020024707 Optical signal processor |
| 02/28/2002 | US20020024706 Multiple-wavelength amplified telecommunications system with gain compensation |
| 02/28/2002 | US20020024704 In-line polarization monitoring and control in lightwave communication systems |
| 02/28/2002 | US20020024703 Apparatus and method for visualizing an automatic laser shutdown state in an optical transmission system |
| 02/28/2002 | US20020024702 Filtering technique for free space interconnects |
| 02/28/2002 | US20020024699 Optical transmission system constructing method and system |
| 02/28/2002 | US20020024696 Wavelength division multiplexing transmission system and transmitter and receiver therefor |
| 02/28/2002 | US20020024695 Wavelength allocation scheme and WDM equipment |
| 02/28/2002 | US20020024694 Control channel for an optical communications system utilizing frequency division multiplexing |
| 02/28/2002 | US20020024692 Optical transmission system, monitoring method therefor, optical communication apparatus, and optical external conducting apparatus |
| 02/28/2002 | US20020024690 Optical level control method |
| 02/28/2002 | US20020024261 Cable detect and EMI reduction apparatus and mehtod |
| 02/28/2002 | US20020024061 Bipolar transistor |
| 02/28/2002 | US20020024052 Edge emission type semiconductor device for emitting super luminescent light, its manufacture and spatial optical communication device |
| 02/28/2002 | DE10038616A1 Verfahren und Anorndung zur Störunterdrückung in einer Empfängerschaltung Procedures and Anorndung for interference in a receiver circuit |
| 02/28/2002 | CA2423401A1 Gain control in raman amplifiers |
| 02/28/2002 | CA2423397A1 Amplifier system with distributed and discrete raman fiber amplifiers |
| 02/28/2002 | CA2419920A1 Multi-level optical signal generation |
| 02/27/2002 | EP1182905A1 Optical router |
| 02/27/2002 | EP1182811A2 Bit rate discrimination device with temperature compensation function |
| 02/27/2002 | EP1182810A2 Control method und optical signal transmission path comprising a device for compensating variations in the exchange of WDM channels power induced by SRS |
| 02/27/2002 | EP1182809A2 Safety shutdown system for a WDM fiber optic communications network |
| 02/27/2002 | EP1182808A2 Optical amplifier with pump light source control for raman amplification |
| 02/27/2002 | EP1182807A2 Method and system for first-order RF amplitude and bias control of a modulator |
| 02/27/2002 | EP1182806A2 Optical transmission path monitoring system |
| 02/27/2002 | EP1182805A2 Multiport optical component testing using a single optical receiver |
| 02/27/2002 | EP1182754A1 System comprising optical semiconductor waveguide device |
| 02/27/2002 | EP1182628A2 Local information provision |
| 02/27/2002 | CN2479686Y High-capacity welded terminal integral outdoor optical cable distributing box |
| 02/27/2002 | CN1338135A Opto-electronic oscillators having optical resonators |
| 02/27/2002 | CN1337792A Raman amplifying optical transmission system |
| 02/27/2002 | CN1337591A Raman amplifier with raised gain resulted from wave-filtering |
| 02/27/2002 | CN1080041C 光网络 Optical Network |
| 02/27/2002 | CN1080004C Electric member having leads |
| 02/26/2002 | USRE37561 RF signal train generator and interferoceivers |
| 02/26/2002 | US6351587 Multi-fiber digital delay line |
| 02/26/2002 | US6351585 Thermally adjustable optical fiber grating device with packaging for enhanced performance |
| 02/26/2002 | US6351582 Passive optical network arrangement |
| 02/26/2002 | US6351581 Optical add-drop multiplexer having an interferometer structure |
| 02/26/2002 | US6351323 Optical transmission apparatus, optical transmission system, and optical terminal station |
| 02/26/2002 | US6351322 Q detection circuit |
| 02/26/2002 | US6350064 Bidirectional optical semiconductor apparatus |
| 02/25/2002 | CA2355957A1 Safety shutdown system for a wdm fiber optic communications systems |
| 02/25/2002 | CA2351966A1 Method and apparatus for polarization measurements |