| 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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| 04/08/2004 | US20040066551 Universal controller for an optical amplifier that operates over a wide dynamic range of optical signals and optical amplifiers utilizing such controllers |
| 04/08/2004 | US20040066550 Optical pulse reshaping system |
| 04/08/2004 | US20040065809 Method and apparatus for optically enabling a circuit component in a large scale integrated circuit |
| 04/08/2004 | DE4328768B4 Verfahren und Schaltung zur Taktregenerierung Method and circuit for clock recovery |
| 04/08/2004 | DE19753835B4 Näherungsfühler mit schnellem Empfangsverstärker Proximity sensor with fast receiver amplifier |
| 04/08/2004 | CA2499803A1 Arrangement for monitoring patch panels at distributor points in data networks |
| 04/07/2004 | EP1406408A1 On-chip standalone self-test system and method |
| 04/07/2004 | EP1406401A1 Optical network system and controller |
| 04/07/2004 | EP1406400A2 System and method for rapidly achieving optimum dispersion in optical transmission systems |
| 04/07/2004 | EP1406312A2 An optically coupled device |
| 04/07/2004 | EP1405544A1 Modular cross connect system with 3d-mems for optical telecommunication networks |
| 04/07/2004 | EP1405449A2 Control of parameters in a global optical controller |
| 04/07/2004 | EP1405444A2 Fiber optic telecommunications card with security detection |
| 04/07/2004 | EP1405114A2 Dispersion and dispersion slope compensating optical fiber |
| 04/07/2004 | EP1405112A1 Internal reflection apparatus and method using a holographic optical element for a free space optical communication system |
| 04/07/2004 | EP1155517A4 Method and apparatus for providing high-order polarization mode dispersion compensation using temporal imaging |
| 04/07/2004 | CN2610575Y 红外线耳机 Infrared headphones |
| 04/07/2004 | CN2610574Y Shield in infrared receiver |
| 04/07/2004 | CN1487693A Signal processing method in secret quantum communication system |
| 04/07/2004 | CN1487691A Light transmitting system |
| 04/07/2004 | CN1487690A Optical transmitting system |
| 04/07/2004 | CN1487587A Electric current mirror image circuit and light signal circuit utilizing the same |
| 04/07/2004 | CN1487349A Light amplifier, gain-control method for light amplifier and electric circuit |
| 04/07/2004 | CN1487321A Two-dimensional multimode interference power divider |
| 04/07/2004 | CN1487318A Positive non-zero dispersive displacement single-mode optical fiber |
| 04/07/2004 | CN1487316A Dispersion management optical fiber |
| 04/07/2004 | CN1145300C Array waveguide grating wavedivision multi-channel complexer equiped aligning waveguide and alignment equipment thereof |
| 04/06/2004 | US6718143 Hyper-dense wavelength multiplexing system |
| 04/06/2004 | US6718142 Optical signal generating circuit and optical transmission line |
| 04/06/2004 | US6718141 Network autodiscovery in an all-optical network |
| 04/06/2004 | US6718140 Optical wavelength division multiplexing transmission network device |
| 04/06/2004 | US6718138 Digital-signal quality monitoring method and communications apparatus using this method |
| 04/06/2004 | US6718087 System and method for reducing differential mode dispersion effects in multimode optical fiber transmissions |
| 04/06/2004 | US6718081 Optical switch |
| 04/06/2004 | US6718005 Noncontact type signal transmission device and x-ray computed tomography apparatus including the same |
| 04/06/2004 | US6717967 Absolutely calibrated periodic filters and sources |
| 04/06/2004 | US6717963 Raman fiber amplifier using a wide bandwidth continuous wave pump |
| 04/06/2004 | US6717731 Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion |
| 04/06/2004 | US6717713 Variable optical attenuator which applies a magnetic field to a faraday element to rotate the polarization of a light signal |
| 04/06/2004 | US6717706 State of polarization detector |
| 04/06/2004 | US6716516 Magnetic recording medium and magnetic recording apparatus using the same |
| 04/06/2004 | CA2310305C Distortion compensation in optically amplified lightwave communication systems |
| 04/02/2004 | CA2443610A1 Optical pulse reshaping system |
| 04/01/2004 | WO2004028091A2 Optical network with distributed sub-band rejections |
| 04/01/2004 | WO2004028056A1 Improved optical amplifier and/or add/drop structure |
| 04/01/2004 | WO2004028047A1 Apparatuses and methods for automatic wavelength-locking of an optical transmitter to the wavelength of an injected incoherent light signal |
| 04/01/2004 | WO2004028046A1 Method for the transmission of optical polarization multiplex signals |
| 04/01/2004 | WO2004028045A1 Control processor for use with a transceiver in an optical wireless network |
| 04/01/2004 | WO2004028044A1 Optical signal determination system, and optical signal determination method |
| 04/01/2004 | WO2004027941A1 Optical fibre with lenghtwise refractive index profile variation for brillouin scattering reduction |
| 04/01/2004 | WO2004027580A2 System and method for managing an optical networking service |
| 04/01/2004 | WO2004027461A2 Thermal noise reduction technique for optical receivers using identical amplifier circuits |
| 04/01/2004 | WO2003013030A3 An optical signal receiver |
| 04/01/2004 | WO2002071133A8 Fiber optical attenuator |
| 04/01/2004 | WO2002065676A9 Link quality agent |
| 04/01/2004 | WO2002009322A8 Transceiving device |
| 04/01/2004 | US20040062557 Optical receiver |
| 04/01/2004 | US20040062556 Reception apparatus |
| 04/01/2004 | US20040062555 Optical transmitter, optical receiver and optical transmission system using same |
| 04/01/2004 | US20040062554 Duo-binary optical transmission apparatus |
| 04/01/2004 | US20040062553 Bidirectional optical link |
| 04/01/2004 | US20040062552 Method for reduction of non-linear intra-channel distortions |
| 04/01/2004 | US20040062551 Method and apparatus for load switching in hybrid RF/free space optical wireless links |
| 04/01/2004 | US20040062550 Wavelength division multiplexing optical transmission system, and wavelength division multiplexing optical transmission method |
| 04/01/2004 | US20040062549 Method and system for identification of channels in an optical network |
| 04/01/2004 | US20040062548 Method and system for identification of channels in an optical network |
| 04/01/2004 | US20040062512 Device for the transmission of optical signals with improved transmission properties |
| 04/01/2004 | US20040062500 Low-dispersion optical fiber and optical transmission system using the low-dispersion optical fiber |
| 04/01/2004 | US20040062474 Optical interface devices having balanced amplification |
| 04/01/2004 | US20040062472 Optical cross connect apparatus and method |
| 04/01/2004 | US20040062470 Optical differentiator description |
| 04/01/2004 | US20040062469 True-time all-optical delay generator for array beam steerers |
| 04/01/2004 | US20040062362 Data communication method, data transmitting apparatus, data receiving apparatus, and data transmission program |
| 04/01/2004 | US20040062344 Method and apparatus for transmitting data from a rotary part to a stationary part of a data generating system |
| 04/01/2004 | US20040062336 Timing extraction circuit for use in optical receiver that uses clock of frequency equal to one half of data transmission rate, and duty cycle deviation handling circuit for use in optical transmitter and receiver |
| 04/01/2004 | US20040061929 Inversion level controller and system for optical amplifiers |
| 04/01/2004 | US20040061922 Variable duty cycle optical pulses |
| 04/01/2004 | US20040061126 Electronic circuit device |
| 04/01/2004 | DE10251975A1 Light waveguide cable for data transmission to receiver station has section with light waveguides with larger effective cross-section associated with one or both sides of amplifier |
| 04/01/2004 | DE10244700A1 Operating point stabilization for laser transmitter in optical telecommunications system provided by temperature regulation device controlled for maintaining required laser transmitter oscillation frequency |
| 04/01/2004 | DE10243141A1 Verfahren zur Übertragung von optischen Polarisationsmultiplexsignalen Method for transmitting optical polarization multiplex signals |
| 03/31/2004 | EP1404145A2 Method and apparatus for associating optical cross-connect channels with non-associated overhead |
| 03/31/2004 | EP1404044A2 Improvements in and relating to the detection of analogue maintenance signals |
| 03/31/2004 | EP1404038A1 Method for reduction of non-linear distortions in an optical transmission channel |
| 03/31/2004 | EP1404037A2 Modulator and method for generating variable duty cycle optical pulses |
| 03/31/2004 | EP1404036A2 Duobinary optical transmission apparatus |
| 03/31/2004 | EP1404035A2 Feed line connecting circuit and optical transmission system |
| 03/31/2004 | EP1403669A2 Dispersion-compensating module |
| 03/31/2004 | EP1402672A1 Optical temporal demultiplexer |
| 03/31/2004 | EP1402670A2 Method and arrangement for the determination and separation of single channel effects on the optical transmission of a wavelength-multiplex (wdm) signal |
| 03/31/2004 | EP1402663A2 Optical amplifier performance controller and method of use |
| 03/31/2004 | EP1402662A1 Optical connection system |
| 03/31/2004 | EP1402660A1 Opto-electronic transceiver module and method for receiving optical signals |
| 03/31/2004 | EP1402376A1 Optical bus arrangement for computer system |
| 03/31/2004 | EP1402307A1 Dynamic spectral equalizer and wavelength selective switch having extremely low polarization dependent loss and polarization mode dispersion |
| 03/31/2004 | EP1282949A4 Method for preempting the priority of the lowest priority cable when the highest priority cable is failure |
| 03/31/2004 | EP1273119B1 Wavelength multiplexing optical fibre transmission device |
| 03/31/2004 | EP1151557A4 Data switch |
| 03/31/2004 | EP0956665A4 Path to provide otdr measurements of an optical transmission system that includes optical isolators |
| 03/31/2004 | EP0861537B1 Improvements in or relating to optical add/drop wavelength division multiplex systems |