| 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) |
|---|
| 05/16/2002 | WO2002005461A8 Cascaded pumping system for distributed raman amplification in optical fiber telecommunication systems |
| 05/16/2002 | WO2001067159A3 Optical switching apparatus and method of assembly |
| 05/16/2002 | WO2001065730A3 Apparatus, system, and method for extracting an optical clock signal from an optical data signal |
| 05/16/2002 | WO2001050172B1 An optical router including bistable optical switch and method thereof |
| 05/16/2002 | US20020057875 Array waveguide grating, optical transmitter and optical communication system with monitoring function |
| 05/16/2002 | US20020057869 Arrayed waveguide grading with optical input and output characteristics settable to desired values |
| 05/16/2002 | US20020057491 Semi-conductor optical amplifier with adjustable stablized gain and an optical system using such an amplifier |
| 05/16/2002 | US20020057480 Optical receiver for optical communications |
| 05/16/2002 | US20020057478 System and transmitter for transmitting optical data |
| 05/16/2002 | US20020057476 Collective detection method and detection system for wavelength fluctuations in wavelength division multiplexing optical communication system, and wavelength division multiplexing optical transmission apparatus equipped with this detection system |
| 05/16/2002 | US20020057474 System for providing high connectivity communications over a packet-switched optical ring network using composite packets |
| 05/16/2002 | US20020057218 Communications system |
| 05/16/2002 | DE10150669A1 Low coherence reflectometer, which is used for measurement of reflective dispersion in optical circuits, suppresses chromatic dispersion effects and thus improves the spatial resolution of measurements |
| 05/16/2002 | DE10049784A1 Polarization mode dispersion emulation device for optical information transmission system uses controllable double refraction polarization transformation element and double refraction elements |
| 05/16/2002 | DE10048629A1 Point to Multipoint Kommunikationssystem mit optischer Signalübertragung Point-to-multipoint communication system with optical transmission |
| 05/15/2002 | EP1206078A1 Light burst transmission/reception control system, parent station device used in the same, child station device, and light burst transmission/reception control method |
| 05/15/2002 | EP1206057A1 Method of amplification of optical signals |
| 05/15/2002 | EP1206056A1 Reflectometer with improved receiver sensibility |
| 05/15/2002 | EP1205781A1 Optical add drop multiplexer |
| 05/15/2002 | EP1205740A2 Signal processing system of multiplexed fiber bragg grating sensor using CDMA |
| 05/15/2002 | CN1349689A Intrinsic securing of fibre optic communication links |
| 05/15/2002 | CN1349318A Narrow-band tunable filter with multi-cavity structure of flat-top and steep-edge frequency response |
| 05/15/2002 | CN1349317A Method for definiting goal of radio communication connection |
| 05/15/2002 | CN1349086A Method and device used for polarized measurement |
| 05/15/2002 | CN1085032C Interconnected passive optical network and method for communicaltions among terminals on optical communication network |
| 05/15/2002 | CN1084987C Hybrid fiber/coaxial video and telephony communicaltion system |
| 05/14/2002 | US6389201 Arrayed waveguide grating having arrayed waveguide employing taper structure |
| 05/14/2002 | US6389192 Light source with WDM function, and optical amplifier and two-way optical transmission apparatus applied therewith |
| 05/14/2002 | US6389044 Multi-wavelength laser usable for WDM applications and interferometric sensors |
| 05/14/2002 | US6388879 Circuit board packaging structure |
| 05/14/2002 | US6388806 Upgradable, gain flattened fiber amplifiers for WDM applications |
| 05/14/2002 | US6388805 Two fiber support with single optical amplifier |
| 05/14/2002 | US6388804 Optical amplifier |
| 05/14/2002 | US6388803 Article comprising a broad band optical amplifier |
| 05/14/2002 | US6388802 Reduction of ASE in WDM optical ring networks |
| 05/14/2002 | US6388801 Optical amplification apparatus utilizing Raman amplification and controlling method thereof |
| 05/14/2002 | US6388800 Raman amplifier with gain enhancement from optical filtering |
| 05/14/2002 | US6388787 Method for generating an optical frequency reference signal |
| 05/14/2002 | US6388786 Method for generating duobinary signal and optical transmitter using the same method |
| 05/14/2002 | US6388785 Optical compensation for dispersion-induced power fading in optical transmission of double-sideband signals |
| 05/14/2002 | US6388784 Digital optical transmitter and digital optical receiver making communication by superposing subdata on modulated waveform of main data |
| 05/14/2002 | US6388783 Narrow band wavelength division multiplexer and method of multiplexing optical signals |
| 05/14/2002 | US6388307 Bipolar transistor |
| 05/10/2002 | WO2002037877A1 Communications network, in particular for telephony, with base stations connected to remote transceiver units |
| 05/10/2002 | WO2002037720A2 An apparatus and method for multiplexing and/or demultiplexing optical signals having substantially equal dispersion |
| 05/10/2002 | WO2002037719A1 Distortion compensation circuit for electro-optical transducer |
| 05/10/2002 | WO2002037718A2 Method and apparatus for the optimization of dispersion map using slope-compensating optical fibers |
| 05/10/2002 | WO2002037716A1 Optical communication system |
| 05/10/2002 | WO2002037695A2 Signal processing arrangement |
| 05/10/2002 | WO2002037069A1 Laser and fiber coupling control |
| 05/10/2002 | WO2002015437A3 Optical domain optical signal sampling device |
| 05/10/2002 | WO2002011296A3 A fault protection scheme |
| 05/10/2002 | WO2002005462A3 Optical transmission systems including optical amplifiers and methods of use therein |
| 05/10/2002 | WO2001082507A3 Apparatus and method for reducing the effects of noise on a light transmitter |
| 05/10/2002 | WO2001063963A3 Broadband telecommunications switch array |
| 05/10/2002 | WO2001061889A3 Adaptive feedback control method for polarization mode dispersion or chromatic dispersion compensation |
| 05/10/2002 | WO2001061888A3 Electrical detector for adaptive control of chromatic dispersion in optical systems |
| 05/10/2002 | WO2001059496A3 Dispersion compensating module and mode converter, coupler and dispersion compensating optical waveguide therein |
| 05/10/2002 | WO2001046731A3 Reconfigurable add/drop multiplexer for fiber optic networks |
| 05/09/2002 | US20020055371 Cellular base station with remote antenna |
| 05/09/2002 | US20020055020 Magnetic recording medium and magnetic recording apparatus using the same |
| 05/09/2002 | US20020054733 Optical amplification apparatus and optical transmission system |
| 05/09/2002 | US20020054731 Optical fiber interface for integrated circuit test system |
| 05/09/2002 | US20020054648 Method for equalizing channel quality differences in a WDM system |
| 05/09/2002 | US20020054427 Broadband amplifier and communication system |
| 05/09/2002 | US20020054421 Modulation scheme for NRZ signals and transmitter |
| 05/09/2002 | US20020054420 Optical amplitude modulator |
| 05/09/2002 | US20020054413 Private network link verification procedure in free space optical communication network |
| 05/09/2002 | US20020054412 Optical wireless communication system with multiple receivers |
| 05/09/2002 | US20020054411 Method and apparatus for aligning opotical wireless links |
| 05/09/2002 | US20020054410 Optically communicable electronic apparatus and optical components applicable thereto |
| 05/09/2002 | US20020054409 Fiber optic transceiver employing clock and data phase aligner |
| 05/09/2002 | US20020054408 Signal processing system of multiplexed fiber bragg grating sensor using CDMA |
| 05/09/2002 | US20020054407 Optical cross-connecting device |
| 05/08/2002 | EP1204238A2 High-capacity packet-switched ring network |
| 05/08/2002 | EP1204228A1 Optical modulation scheme for NRZ signals and optical transmitter |
| 05/08/2002 | EP1204227A1 Optical communication system and terminal device |
| 05/08/2002 | EP1204226A2 Energy saving method for wireless reception of data modulated on a carrier |
| 05/08/2002 | EP1203464A1 A method and apparatus for providing gain shape compensation |
| 05/08/2002 | EP1203463A2 Dynamic spectral shaping in optical fibre communication |
| 05/08/2002 | EP1203462A1 L-band amplifier with distributed filtering |
| 05/08/2002 | EP1203261A1 Wavelength selective device and switch and method thereby |
| 05/08/2002 | DE10054400A1 Optical information transmission system has receiver provided with control unit for measuring propagation time variations for transmitted signal |
| 05/08/2002 | DE10047380A1 Process and assembly to regulate a pulse modulator under a variety of conditions |
| 05/08/2002 | DE10047342A1 Verfahren zum Ausgleich von Kanalqualitätsunterschieden in einem WDM-System A method for compensating channel quality differences in a WDM system |
| 05/08/2002 | CN2490782Y Infrared radio public address set for giving lessons |
| 05/08/2002 | CN2490767Y Interleaver device |
| 05/08/2002 | CN2490766Y Polarized extraneous optosolator |
| 05/08/2002 | CN2490765Y Combined back transmission optical receiver |
| 05/08/2002 | CN2490764Y Economical and practical type fiber-optical working station |
| 05/08/2002 | CN2490763Y Infrared radio microphone system device |
| 05/08/2002 | CN1348644A Method and apparatus for optical system link control |
| 05/08/2002 | CN1348271A Implementation of photoelectronic detector reinforced by high speed and high sensitivity resonant cavity |
| 05/08/2002 | CN1348270A Large NXN light switch using binary system tree |
| 05/08/2002 | CN1348269A Physical medium additive sublayer data transmission method and device of gigacycle Ethernet |
| 05/08/2002 | CN1348268A Polarization independent light circulator and its making process |
| 05/08/2002 | CN1348267A Light wavelength division multiplexing method and multiplexer |
| 05/08/2002 | CN1348266A Method of making dense wavelength division multiplexer with double-fiber collimator |
| 05/08/2002 | CN1348265A Method and apparatus for calibrating telescope in free space optical communication system |
| 05/08/2002 | CN1348264A Method and apparatus for automatic tracing communication signal in free-space optical communication system |