Patent application number | Description | Published |
20080205509 | Terminal and method for the simultaneous transmission of video and high-speed data - For a simultaneous dual-band reception or transmission of video signals and data in a domestic environment, a terminal in a communication system is made up of a front end module connected to digital processing circuits via a circuit designed for MIMO techniques. At least two antennas linked to the terminal are broadband and dual-access, each of the accesses corresponding to a path for receiving or transmitting signals in a first or a second frequency band. | 08-28-2008 |
20090153425 | Dual-Band Antenna Front-End System - The present invention relates to a multiple-port dual-band antenna system and the associated interface formed by DPDT or SPDT switches, that can be integrated on one and the same multi-layer structure. | 06-18-2009 |
20090257535 | Method and Device for Compensating the Doppler Effect for a Digital Signal Receiver - The invention relates to a method of compensating the Doppler effect for a mobile receiver. This method consists in producing a phase-locked loop based on the signal to be demodulated to correct the frequency control of the tuner element and thus the drift due to the Doppler effect. The invention also relates to a receiver implementing this method. | 10-15-2009 |
20100240301 | REPEATER FOR RADIO FREQUENCY SIGNALS, AND FOR DIGITAL TELEVISION SIGNALS IN PARTICULAR - This invention concerns a repeater for radio frequency signals. | 09-23-2010 |
20110187619 | SYSTEM OF TWO ANTENNAS ON A SUPPORT - The invention concerns a system of antennas on the same support. Each antenna is connected to a first port for the emission/reception in a first frequency band, and to a second port for the emission/reception in a second frequency band. The invention consists in a specific dimensioning of the support, such that the difference of the perimetric lengths separating the median points is a function of the half wavelength λ/2 modulo k λ, k positive integer, where λ is the wavelength corresponding to a working frequency fr. | 08-04-2011 |
20110291773 | Dual-response stopband filter - The invention relates to a dual-response stopband filter as well as to a filtering device comprising such a filter. The dual-response stopband filter comprises between the input terminal and the filter output a first direct channel and a second channel, known as a secondary channel, coupled with the first channel and forming a resonant element. The filter further comprises, integrated on the first direct channel, a selective low-pass filter to reject a first selected frequency band and, integrated on the second channel a variable capacitor to form the stopband filter of a second frequency band that can be determined. The switching device is associated with the first channel to switch the low-pass filter and the second channel to switch the stopband filter. | 12-01-2011 |
20120098722 | METHOD FOR PRODUCING AN ANTENNA, OPERATING IN A GIVEN FREQUENCY BAND, FROM A DUAL-BAND ANTENNA - The present invention relates to a method for producing an antenna operating in a given frequency band, from a dual-band antenna. According to the method, the dual-band antenna is a broadband slot antenna that receives and/or transmits electromagnetic signals at a first frequency and at a second higher frequency. The antenna is powered by a single power supply line, and the free end of the power supply line is connected, by a connection means that can be opened or closed, to at least one means for rejecting one of the frequencies. This invention can be used in producing generic electronic boards. | 04-26-2012 |
20120114071 | METHOD OF RESENDING DIGITAL SIGNALS - The invention relates to a method of resending at least one digital signal, comprising a step of reception by cable of the signal comprising signaling information, a step of resending of this signal at a resend frequency by an antenna, and also comprising a step of selecting the resend frequency as a function of the signaling information; a step of transposing the signal into the selected frequency of the resend signal and a step of monitoring and adjusting the frequency of the resend signal as a function of the selected frequency of the resend signal. | 05-10-2012 |
20120183096 | WIDEBAND TRANSCEIVER DEVICE FOR TRANSMITTING AND RECEIVING SIGNALS FROM A CHANNEL SELECTED IN DYNAMICALLY SPREAD BANDWIDTH - The proposed process makes it possible to noticeably and dynamically increase the operational frequency band of a wideband emission/reception device without performance degradation, this thanks to the implementation of a particular architecture and a judicious distribution of the technical constraints over the analogue and digital sub-assemblies of a user terminal. | 07-19-2012 |
20120284766 | BAND-STOP FILTER - The present invention relates to a band rejection filter. The band rejection filter includes a first signal transmission channel called a direct channel and a second signal transmission channel called a secondary channel. The direct channel and the secondary channel being designed to introduce at a first rejection frequency a phase difference of 180° between the signal circulating via the direct channel and the signal circulating via the secondary channel. Additionally, the secondary channel includes a filtering element for which the cut-off frequency is different from the first rejection frequency in a way to create a second rejection frequency. | 11-08-2012 |
20130002373 | HIGH REJECTION BAND-STOP FILTER AND DIPLEXER USING SUCH FILTERS - The present invention relates to a high rejection stop band filter and a diplexer using such filters. | 01-03-2013 |
20130102261 | METHOD FOR CALIBRATING A BAND REJECTION FILTER OF A TERMINAL AND MULTISTANDARD TERMINAL WITH CALIBRATED BAND REJECTION FILTER - The present invention relates to a multimedia mobile terminal capable of transmitting and receiving signals compliant with several standards in the UHF band. It comprises:
| 04-25-2013 |
20130249770 | DEVICE FOR RECEIVING OR EMITTING/RECEIVING MIMO SIGNALS - The invention relates to a device for receiving signals in a MIMO system comprising:
| 09-26-2013 |
20130315117 | CONCURRENT-ACCESS DUAL-BAND TERMINAL OPERATING IN TWO ADJACENT BANDS - The present invention relates to a terminal for the broadband transmission of video, audio or data signals in a domestic environment. It applies more specifically in the scope of terminals operating according to the standard IEEE 802.11 | 11-28-2013 |
20140021957 | APPARATUS AND METHOD FOR DETECTING FLUORESCENT LIGHTING - The present invention suggests an apparatus for detecting the operation status of a fluorescent light source. The apparatus comprises an antenna for receiving and sending electromagnetic waves. The apparatus further comprises a modulation frequency correlator and a signal generator for generating an indication signal. According to a second aspect the present invention proposes a method for detecting the operation status of a fluorescent light source. The method comprises the steps of: receiving an electromagnetic wave; detecting a modulation of the received electromagnetic wave; correlating the modulation frequency of the received electromagnetic wave with a predetermined frequency; generating an indication signal if a correlation between the modulation frequency and the predetermined frequency is detected. | 01-23-2014 |
20140080434 | APPARATUS AND METHOD FOR DETECTING MICROWAVE RADIATION - An apparatus for detecting microwave signals is suggested. The apparatus comprises an antenna for sending and receiving electromagnetic waves a circuit for detecting microwave signals and the signalization stage for generating an indication signal. In addition to that a method for detecting the presence of microwave signals is proposed. The method comprises the following steps | 03-20-2014 |