Patent application number | Description | Published |
20090033467 | RF IDENTIFICATION DEVICE WITH NEAR-FIELD-COUPLED ANTENNA - An embodiment of a RF identification device is formed by a tag and by a reader. The tag is formed by a processing circuit and a first antenna, which has the function both of transmitting and of receiving data. The reader is formed by a control circuit and by a second antenna, which has the function both of transmitting and of receiving data. The processing circuit is formed by a resonance capacitor, a modulator, a rectifier circuit, a charge-pump circuit and a detection circuit. The antenna of the tag and the processing circuit are integrated in a single structure in completely monolithic form. The first antenna has terminals connected to the input of the rectifier circuit, the output of which is connected to the charge-pump circuit. The charge-pump circuit has an output connected to the detection circuit. | 02-05-2009 |
20100109719 | PRESCALING STAGE FOR HIGH FREQUENCY APPLICATIONS - A prescaling stage includes bistable circuit in turn including respective master and slave portions inserted between a first and a second voltage reference and feedback connected to each other. Each portion is provided with at least one differential stage supplied by the first voltage reference and connected, by a transistor stage, to the second voltage reference, as well as a differential pair of cross-coupled transistors, supplied by output terminals of the differential stage and connected, by the transistor stage, to the second voltage reference. Advantageously, each master and slave portion includes a degeneration capacitance inserted in correspondence with respective terminals of the transistors of the differential pair. | 05-06-2010 |
20100164671 | INTEGRATED ELECTRONIC DEVICE WITH TRANSCEIVING ANTENNA AND MAGNETIC INTERCONNECTION - An embodiment of an integrated electronic device having a body, made at least partially of semiconductor material and having a top surface, a bottom surface, and a side surface, and a first antenna, which is integrated in the body and enables magnetic or electromagnetic coupling of the integrated electronic device with a further antenna. The integrated electronic device moreover has a coupling region made of magnetic material, which provides, in use, a communication channel between the first antenna and the further antenna. | 07-01-2010 |
20110135031 | NOVEL PULSE GENERATOR FOR ULTRA-WIDE-BAND MODULATING SYSTEMS AND MODULATING SYSTEMS USING IT - A pulse generator circuit is provided. The pulse generator circuit has an input adapted to receive an input electrical quantity and an output at which an output electrical quantity is made available. A transfer characteristic establishes a relationship between said input and said output electrical quantities. The pulse generator circuit is adapted to provide said output electrical quantity in the form of pulses having a predetermined shape, suitable to be used for UWB transmission. The transfer characteristic has substantially a same shape as that of said pulses. Moreover, a UWB modulating system exploiting the novel pulse generator is proposed. | 06-09-2011 |
20110205028 | ELECTRONIC COMMUNICATIONS DEVICE WITH ANTENNA AND ELECTROMAGNETIC SHIELD - An embodiment of an electronic communications device, including: a body of semiconductor material defining at least one integrated electronic circuit and having a top surface; an electromagnetic shield; a radiant element; and a capacitive element formed by a first electrode and a second electrode, the radiant element being set on the top surface and being ohmically coupled to the first electrode and the second electrode by means of a first connection element and a second connection element, respectively, the electromagnetic shield being set between the radiant element and the top surface and forming at least the second electrode. | 08-25-2011 |
20120076162 | DEVICE FOR TRANSFORMING ELECTROMAGNETIC IR ENERGY FROM SPATIALLY INCOHERENT, LOW-POWER DENSITY, BROAD-BAND RADIATION IN SPATIALLY COHERENT, HIGH-POWER DENSITY, QUASI-MONOCHROMATIC RADIATION - A device to be positioned between a heat source and a heat sink may transform infrared electromagnetic (IR-EM) energy exchanged therebetween from a first form to a second form. The device may include a pair of layers facing each other and having dielectric material with molecular excitability characteristics to produce the second form of IR-EM energy. The pair of layers may define a gap therebetween. The device may include a conversion circuit configured to convert the second form of IR-EM energy into electrical energy. | 03-29-2012 |
20120139557 | RFID READABLE DEVICE WITH SMART SURFACE ACCESS - A monitoring system includes an array of concatenated sensing nodes, with each sensing node being configured to have at least one of near-field and far-field RF coupling circuitry to interface with an adjacent sensing node. A respective device is coupled to each of the sensing nodes. A reader device is configured to have at least one of near-field and far-field RF coupling circuitry to interface with the array of concatenated sensing nodes to read data from the devices. | 06-07-2012 |
20120161789 | DEVICE FOR MONITORING AT LEAST A PHYSICAL CHARACTERISTIC OF A BUILDING MATERIAL - A monitoring device is for monitoring physical characteristics of a building material. The monitoring device is buried inside a block of the building material, and has a sensor to sense physical characteristics thereof. The sensor transmits a signal representative of the physical characteristics. | 06-28-2012 |
20120168520 | RF IDENTIFICATION DEVICE WITH NEAR-FIELD-COUPLED ANTENNA - An embodiment of a RF identification device is formed by a tag and by a reader. The tag is formed by a processing circuit and a first antenna, which has the function both of transmitting and of receiving data. The reader is formed by a control circuit and by a second antenna, which has the function both of transmitting and of receiving data. The processing circuit is formed by a resonance capacitor, a modulator, a rectifier circuit, a charge-pump circuit and a detection circuit. The antenna of the tag and the processing circuit are integrated in a single structure in completely monolithic form. The first antenna has terminals connected to the input of the rectifier circuit, the output of which is connected to the charge-pump circuit. The charge-pump circuit has an output connected to the detection circuit. | 07-05-2012 |
20120171953 | RF IDENTIFICATION DEVICE WITH NEAR-FIELD-COUPLED ANTENNA - An embodiment of a RF identification device is formed by a tag and by a reader. The tag is formed by a processing circuit and a first antenna, which has the function both of transmitting and of receiving data. The reader is formed by a control circuit and by a second antenna, which has the function both of transmitting and of receiving data. The processing circuit is formed by a resonance capacitor, a modulator, a rectifier circuit, a charge-pump circuit and a detection circuit. The antenna of the tag and the processing circuit are integrated in a single structure in completely monolithic form. The first antenna has terminals connected to the input of the rectifier circuit, the output of which is connected to the charge-pump circuit. The charge-pump circuit has an output connected to the detection circuit. | 07-05-2012 |
20130207781 | SECURITY SYSTEM FOR AT LEAST AN INTEGRATED CIRCUIT, SECURE INTEGRATED CIRCUIT CARD, AND METHOD OF SECURE WIRELESS COMMUNICATIONS - A security system includes an integrated circuit and a transceiver/transponder circuit. The integrated circuit includes an antenna for communicating with the transceiver/transponder circuit. An inhibiting element is associated with the integrated circuit for inhibiting communications with the transceiver/transponder circuit and for securing the data contained in the integrated circuit. The inhibiting element is an electromagnetic inhibiting element. The security system further includes a coupling element associated with the antenna of the integrated circuit for temporarily deactivating the electromagnetic inhibiting element to allow communications between the integrated circuit and the transceiver/transponder circuit. | 08-15-2013 |
20130221945 | METHOD AND DEVICE FOR MONITORING AT LEAST A CHARACTERISTIC OF A BLOCK MADE OF A BUILDING MATERIAL - A monitoring device includes an electric supply line to be buried in the block of building material, to convey signals and to be AC supplied so as to generate voltage and current stationary waveforms. The device also includes primary inductors coupled to the electric supply line at positions corresponding to peaks of at least one of the voltage and current stationary waveforms. The device also includes integrated monitoring circuits to be buried in the block of building material, with each integrated monitoring circuit including an integrated sensor to sense at least one physical characteristic, and a secondary inductor magnetically coupled to a respective primary inductor to supply the integrated sensor, and communicate through the electric supply line. | 08-29-2013 |
20130255395 | PASSIVE MONITORING DEVICE OF THE INNER PRESSURE IN A BLOCK OF BUILDING MATERIAL - A monitoring device is for the inner pressure distribution of building material in a building structure. The device may include planar sensing capacitors to be buried in contact with the building material, with each sensing capacitor including a pair of plates and a dielectric material layer therebetween adapted to undergo elastic deformation under pressure without deforming plastically. The device may also include a protection box to be buried in the building material, a dielectric material enclosed in the protection box, and connection terminals protruding from the protection box. Pairs of metal vias are buried in the dielectric material enclosed within the protection box, with each pair connecting the plates of a respective planar sensing capacitor to respective connection terminals. | 10-03-2013 |
20140070345 | INTEGRATED ELECTRONIC DEVICE WITH TRANSCEIVING ANTENNA AND MAGNETIC INTERCONNECTION - An embodiment of an integrated electronic device having a body, made at least partially of semiconductor material and having a top surface, a bottom surface, and a side surface, and a first antenna, which is integrated in the body and enables magnetic or electromagnetic coupling of the integrated electronic device with a further antenna. The integrated electronic device moreover has a coupling region made of magnetic material, which provides, in use, a communication channel between the first antenna and the further antenna. | 03-13-2014 |
20140347244 | ELECTRONIC DEVICE FOR ELECTROMAGNETIC EXPANSION AND CONCENTRATION - An electronic device for electromagnetic expansion and concentration is described, including: —a module to be monitored including a first antenna and an integrated control circuitry, the first antenna being electrically coupled to the integrated control circuitry; an electromagnetic expansion and concentration module comprising a second antenna configured to communicate with a remote antenna of an external data collection and control device, relative to the electromagnetic expansion and concentration module, by an electromagnetic coupling, said electromagnetic expansion and concentration module comprising a third antenna electrically coupled to said second antenna, said third antenna being configured to communicate with said first antenna of the module to be monitored by a near-field magnetic coupling. The second antenna is configured to communicate with said remote antenna, relative to the electromagnetic expansion and concentration module by a far-field electromagnetic coupling. The electromagnetic expansion and concentration module further comprises a fourth antenna electrically coupled between said second antenna and said third antenna, said fourth antenna being configured to communicate with a further remote antenna of a further external data collection and control device, relative to the electromagnetic expansion and concentration module by a near-field magnetic coupling. | 11-27-2014 |