Abstract: An electrical activity monitoring device based on a sensor device attachable to a power cable of an electrical device for monitoring the electrical status of the electrical device. The device comprises an antenna element which performs the dual functions of magnetically coupling with an electrical pulse generated in the power cable in response to a change of electrical power state of the electrical device and to transmit data to a reader via the power cable. An electrical activity monitoring apparatus is also provided for monitoring the electrical status of at least one electrical device connected to a power supply network by a respective power cable provided with a sensor device. The electrical activity monitoring apparatus comprises a reader and a reader-power line interface device.

Abstract: A radio frequency identification (RFID) reader identifies in which room among several rooms the RFID reader is more likely to be located. The RFID reader includes a transmitter for transmitting an interrogating radio frequency (RF) signal. It includes a receiver for receiving RF signals generated in corresponding pairs of RFID tags. The RFID tag pairs are attached to corresponding regions of each of the rooms. Each of said RFID tag pair including a first RFID tag and a second RFID tag that are spaced from each other by a distance that is larger or equal to ?/4 and smaller than or equal to ?/2 with respect to a frequency of a responding RF signal originated in the pair of RFID tags. A processor selects a larger RSSI of the RSSPs of the signal pair. The processor determines a corresponding sum of the RSSI's selected from each signal pair associated with each room. The processor evaluates in accordance with determined sums, the location in which said RFID reader is more likely to be located.

Abstract: An apparatus for switch ON/OFF impulse detection includes an impulse detector and a microcontroller. The microcontroller is coupled in signal communication to the impulse detector. The impulse detector is operative to receive an impulse response from an antenna. The impulse detector is operative to provide one of a single alert signal and a plurality of alert signals for the microcontroller in response to the impulse response. The impulse response includes one of a single impulse waveform and a plurality of impulse waveforms. The impulse detector generates the single alert signal when the impulse response includes the single impulse waveform. The impulse detector generates the plurality of alert signals when the impulse response includes respective ones of the plurality of impulse waveforms. The microcontroller is operative to determine a nature of the impulse response. The nature is determined as a switch-ON response when the single alert signal is received.

Abstract: The present invention relates to a filtering circuit comprising at least two slot line resonators arranged side by side and realized on a dielectric substrate having a first face equipped with a conductive layer and a second parallel face, each of said at least two resonators comprising a slot line etched in the conductive layer and folded according to a spiral pattern counting a plurality of turns, with a shape factor such that the slot line has parts noticeably parallel or concentric. According to embodiments of the invention, at least one turn of the spiral pattern of each of the resonators comprises at least one discontinuity, the discontinuities of said at least two slot line resonators being arranged in such a manner as to increase the electromagnetic coupling between said at least two slot line resonators.

Abstract: The invention relates to a device comprising at least a first RFID module and a second RFID module, each comprising a chip coupled to a wire loop antenna. The first and second RFID modules operate at a first operating frequency into a first frequency band and at a second operating frequency into a second frequency band respectively, the second operating frequency being substantially equal to a multiple k of the first operating frequency, with k?2. The device further comprises a resonant half-wave dipole having a length (L) that is substantially equal to ?/2 where is a wavelength associated to the first frequency band. The first module is present in the vicinity of the centre of the half-wave dipole and the second module is present at a distance substantially equal to (2*n+1)?/4*k from an end of the half-wave dipole, with n?[0 . . . k?1].

Abstract: An electrical activity sensor is attachable to a power cable of an electrical device and includes a magnetometer for detecting a variation of magnetic field caused by current in the power cable when the electrical device is powered. A processor is configured to determine electrical activity of the electrical device based on the detected variation of magnetic field. An antenna is provided for transmitting a signal representative of the electrical activity to a reader device.

Abstract: The invention relates to electrical activity sensor attachable to a power cable of an electrical device for detecting an impulse generated in the power cable in response to a change in electrical power state of the electrical device. The electrical activity sensor includes an antenna assembly having an antenna element operable to magnetically couple with an electrical pulse generated in the power cable to induce an electrical signal in response to a change in electrical power state of the electrical device. The antenna element is shaped in a plurality of loops.

Abstract: The invention relates to a device for receiving signals in a MIMO system comprising: m signal receiver channels, where m is greater than 1; an antenna system constituted either by n directive antennae n>m, each antenna being able to receive signals in one of its own angular sectors, the angular sectors of the n antennae essentially not overlapping each other and together thrilling a total angular sector of 360 degrees, or a multi-sector antenna with n angular sectors n>m the n angular sectors essentially not overlapping each other and having a distinct access; and switching means to associate with each signal receiver channel an antenna from among the n antennae according to a switching schema selected by control means, the switching schema being selected from a plurality of switching schemas of a switching matrix according to a criterion representing the quality of the reception of the signals by said signal receiver channels.

Abstract: The invention relates to a wireless communication terminal able to transmit and/or receive video, audio or data signals in a first and a second frequency band comprising a first MIMO circuit of N paths (N?1) operating in the first frequency band and a second MIMO circuit of M paths (M?1) operating in the second frequency band, the first and second MIMO circuits each being coupled to front-end modules comprising respectively N and M power amplifiers, the front-end modules being connected to an antenna system.

Abstract: An electronic apparatus includes a communication unit that communicates with a tag located within a target region when the communication unit is active within the target region, and a processor configured to monitor an activity within the target region based on status information from the tag received by the communication unit, wherein the activity comprises at least one of opening and closing of a member arranged within the target region

Abstract: An electrical activity monitoring device based on an RFID sensor device attachable to a power cable of an electrical device for monitoring the electrical status of the electrical device. The device comprises an antenna element which performs the dual functions of magnetically coupling with an electrical pulse generated in the power cable in response to a change of electrical power state of the electrical device and to wirelessly transmit data to an RFID reader. An electrical activity monitoring apparatus is also provided for monitoring the electrical status of at least one electrical device connected to a power supply network by a respective power cable provided with an RFID sensor device. The electrical activity monitoring apparatus comprises an RFID reader for communicating with the RFID sensor device.

Abstract: The invention concerns a method for detecting manipulation by a user of a device, provided with a communication tag. The user wears a user terminal provided with a communication tag reader, which detects the communication tag associated with the device as soon as the user is sufficiently close to the device. The communication tag reader is activated after a local area network connection has been established between the user terminal and the device, or between the user terminal and a local area network to which the appliance is known to be connected. Through this local network connection, the user terminal may also communicate information on the user to the device, which then knows who is manipulating its front panel. The device may access a user profile stored in the user terminal, in order to deliver a personalized service to the user.

Abstract: 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.

Abstract: An electrical activity sensor attachable to a power cable of an electrical device for detecting an impulse generated in the power cable in response to a change in electrical power state of the electrical device, the electrical activity sensor comprising an antenna assembly comprising an antenna element operable to magnetically couple with an electrical pulse generated in the power cable to induce an electrical signal in response to a change in electrical power state of the electrical device; and at least one dipole type antenna configured operate as a half wave dipole in the operating frequency range of the antenna element and to magnetically couple to the antenna element wherein the dipole type conductor is operable to wirelessly transmit data representative of the power state change of the electrical device to a remote reader.

Abstract: The present invention relates to a filtering circuit comprising at least two slot line resonators arranged side by side and realised on a dielectric substrate having a first face equipped with a conductive layer and a second parallel face, each of said at least two resonators comprising a slot line etched in the conductive layer and folded according to a spiral pattern counting a plurality of turns, with a shape factor such that the slot line has parts noticeably parallel or concentric. According to embodiments of the invention, at least one turn of the spiral pattern of each of the resonators comprises at least one discontinuity, the discontinuities of said at least two slot line resonators being arranged in such a manner as to increase the electromagnetic coupling between said at least two slot line resonators.

Abstract: A multibeam antenna system having a substrate forming a ground plane and a lens positioned on the substrate. At least one radiating element is positioned around the lens and configured to transmit and/or receive electromagnetic wave. A switching means enables one of the at least one radiating element to be selected. The lens is constituted by a cylindrical ring whose axis is perpendicular to the substrate.

Abstract: An electrical activity monitoring device based on a sensor device attachable to a power cable of an electrical device for monitoring the electrical status of the electrical device. The device comprises an antenna element which performs the dual functions of magnetically coupling with an electrical pulse generated in the power cable in response to a change of electrical power state of the electrical device and to transmit data to a reader via the power cable. An electrical activity monitoring apparatus is also provided for monitoring the electrical status of at least one electrical device connected to a power supply network by a respective power cable provided with a sensor device. The electrical activity monitoring apparatus comprises a reader and a reader-power line interface device.

Abstract: An electrical activity sensor device for monitoring the electrical status of an electrical device, the device comprising: a power cable for supplying power to an electrical device from a power supply network, the power cable being fitted with an in-line switch enabling the electrical device to be switched between electrical power states; wherein: the antenna element is operable to transfer the identification data to the power cable; and the power cable is operable to operate as an antenna when the electrical device is switched on to transmit identification data wirelessly from a sensor device attached to the cable to a reader device.

Abstract: The invention relates to a device for the transmission and/or reception of signals in an MIMO system consisting of: a MIMO module consisting of N inputs/outputs to deliver or receive N signals, where N?2, an antenna system for transmitting or receiving said N signals, said system consisting of at least one antenna with M angular sectors in a horizontal plane, said M angular sectors sensitively not covering each other and together forming a global angular sector of 360°, and switching means, mounted between the MIMO module and the antenna system, to connect P angular sectors of said multi-sector antenna, where 1?P<M, with each of the N inputs/outputs of the MIMO module according to a switching diagram determined using control means in accordance with a criterion representing the quality of the reception of signals by said device or another device.

Abstract: The present invention relates to a wireless transmission system for signals intended more specifically for a domestic environment. It includes a central terminal comprising at least m transmission channels and n directive transmission antennas intended to transmit first signals at least one client terminal having at least one reception channel connected to a reception antenna in order to receive the first signals said central terminal and said client terminal communicating in a transmission channel having a predetermined frequency band, and an estimation device able to generate an item of information representative of the reception quality of first signals in at least one point of a predetermined geographic zone associated with the client terminal and a return channel in order to transmit said at least one item of information to the control means of the central terminal.