Optical communication systems Patents

M. V. Drummond, R.N. Nogueira, V. C. Duarte, Photonic beamforming system for a phased array antenna receiver, WO 2016/170466A1, April, 2015, (status pending)

M. V. Drummond, R.N. Nogueira, Sistema e método fotónico para efectuar o direccionamento sintonizável do campo eléctrico radiado por um agregado de antenas sintonizável, PCT/PT2010/000061, December, 2010, (status pending)

V. M. C. Ribeiro, A. Teixeira, M. J. N. Lima, MÉTODO DE GERAÇÃO DE DIAGRAMAS DE OLHO EM MODO ASSÍNCRONO, WO 2012/057644 A1, October, 2010, (status granted)

M.H. Hajduczenia, P.R.M. Inácio, P. Monteiro, R.M. Morais, Method to Secure the Upstream Data Transmission in an Optical Network, EP2034648 A1, March, 2009, (status granted)

M.H. Hajduczenia, H. A. Silva, P. Monteiro, A method, communication system and central communication unit for controlling accesses to a shared medium, 05026647.7, -1, (status pending)

M.H. Hajduczenia, D. Fonseca, H. A. Silva, P. Monteiro, A method, communication system and central communication unit for detecting at least one faulty peripheral communication unit, 06020615.8, -1, (status pending)

M.H. Hajduczenia, M. Freire, H. A. Silva, P. Monteiro, A method, communication system, central and peripheral communication unit for packet oriented transfer of information, 06004417.9, -1, (status pending)

M. Freire, M.H. Hajduczenia, P.R.M. Inácio, P. Monteiro, H. A. Silva, A Method, Communication System, Central and Peripheral Communication Unit for Secure Packet Oriented Transfer of Information, International Patent WO 2007/099045 A1, -1, (status pending)

M.H. Hajduczenia, H. A. Silva, P. Monteiro, A method, communication system, central communication unit and a peripheral communication unit for controlling accesses to a shared medium, 05024740.2, -1, (status pending)

D. Fonseca, A. Cartaxo, P. Monteiro, Adaptive optical single sideband filter based on a phase modular, WO2006/077176, -1, (status pending)

R.S. Luis, A. Teixeira, P. Monteiro, All-Optical Regeneration Through Manipulation of the Signal Constellation, 1, -1, (status pending)

M. Freire, M.H. Hajduczenia, P. Monteiro, P.R.M. Inácio, R. Meleiro, J. Santos, H. A. Silva, Automatic Topology Discovery for Passive Optical Networks, EP 2141832 A1, -1, (status pending)

R.N. Nogueira, A. Teixeira, R. F. Rocha, J. L. Pinto, Conversor de comprimento de onda auto-bombeado, PT102871, -1, (status pending)

D. Fonseca, A. Cartaxo, P. Monteiro, Enhanced electrical dispersion method for optical transmission systems, EP1739865A1, -1, (status pending)

P.R.M. Inácio, M.H. Hajduczenia, S. Pato, H. A. Silva, P. Monteiro, Fail safe Optical Splitter and Method to Isolate Faults in a Passive Optical Network, WO2009037300 A1, -1, (status pending)

R.N. Nogueira, M. Violas, M. V. Drummond, FILTRO ÓPTICO COM RESPOSTA SINTONIZÁVEL DE FORMA CONTÍNUA BASEADO NA COMBINAÇÃO DE DIFERENTES FILTROS ÓPTICOS, PT104237, -1, (status pending)

M. Freire, N. M. Garcia, P. Lenkiewicz, P. Monteiro, J. M. Santos, Method and Device for Processing Data in an Optical Network and Communication System Comprising Such Device, International Patent WO 2009/156409 A1, -1, (status pending)

N. M. Garcia, M. Freire, P. Monteiro, P. Lenkiewicz, J. M. Santos, Method and Device for Processing Data in an Optical Network and Communication System Comprising Such Device, International Patent WO/2009/156409, -1, (status pending)

M.H. Hajduczenia, M. Freire, H. A. Silva, P. Monteiro, Method for Aggregating a Plurality of Data Packets with Different IP Formats and Machine for Performing said Method, 06007960.5, -1, (status pending)

N. M. Garcia, M.H. Hajduczenia, P. Monteiro, M. Freire, H. Silva, Method for Aggregating a Plurality of Data Packets with Different IP Formats and Machine for Performing Said Method, International Patent WO/2007/118594-A1, -1, (status pending)

N. M. Garcia, M. Freire, M.H. Hajduczenia, P. Monteiro, H. Silva, Method for Aggregating a Plurality of Data Packets with Different IP Formats and Machine for Performing Said Method, European Patent - EP/1848172-A1, -1, (status pending)

N. M. Garcia, M. Freire, M.H. Hajduczenia, P.R.M. Inácio, P. Monteiro, H. Silva, Method for detection of malign instrusions in a communication system and related detector, European Patent - EP/1983714-A1, -1, (status pending)

M. Freire, N. M. Garcia, P. Lenkiewicz, P. Monteiro, J. M. Santos, Method for the Transmission of Data Packets by Means of an Optical Burst Switching Network and Network Nodes for an Optical Burst Switching Network, International Patent WO 2006/072406 A1, -1, (status pending)

N. M. Garcia, J. M. Santos, M. Freire, P. Monteiro, Method for the Transmission of Data Packets by Means of an Optical Burst Switching Network and Network Nodes for an Optical Burst Switching Network, International Patent WO/2006/072406-A1, -1, (status pending)

N. M. Garcia, J. M. Santos, M. Freire, P. Monteiro, Method for the Transmission of Data Packets by Means of an Optical Burst Switching Network and Network Nodes for an Optical Burst Switching Network, US Patent US 7817919-B1, -1, (status pending)

P. Monteiro, P. Monteiro, P.R.M. Inácio, N. M. Garcia, M. Freire, H. Silva, Methods for estimating self-similarity degree and related estimator, International Patent EP1983687, -1, (status pending)

C.Rodrigues Rodrigues, P. Mão-Cheia, F. P. Guiomar, A. N. Pinto, J.D. Reis, A. Teixeira, Método de Equalização Não-Linear do Canal Óptico no Domínio da Frequência, 105765, -1, (status pending)

N. M. Garcia, P.R.M. Inácio, M.H. Hajduczenia, M. Freire, P. Monteiro, H. Silva, Método e dispositivo para avaliação da variação da auto-semelhança de um sinal fisiológico, Portuguese Patent 105404, pending, -1, (status pending)

N. M. Garcia, N. M. Garcia, P. Monteiro, M. Freire, H. Silva, Monitoring Method an Apparatus of Processing of a Data Stream with High Rate/Flow, European Patent EP/1780955-A1, -1, (status pending)

M.H. Hajduczenia, P. Monteiro, H. A. Silva, M. Freire, Monitoring method and apparatus of processing of a data stream with high rate/flow, 05023580.3, -1, (status pending)

M. Freire, N. M. Garcia, M.H. Hajduczenia, P. Monteiro, H. A. Silva, Monitoring Method and Apparatus of Processing of a Data Stream with High Rate/Flow, European Patent EP 1780955 A1, -1, (status pending)

R.N. Nogueira, M. V. Drummond, Sistema e método fotónico de medição da frequência por modulação electro-óptica complementar, PCT/IB2010/055744, -1, (status pending)

M. Freire, J. V. Gomes, P. Monteiro, J. Santos, P.R.M. Inácio, J. J. O. Pires, Upstream Efficiency Improvement Method for Passive Optical Networks, WO 2010/012304 A1, -1, (status pending)