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| Number | Title | Issue Date |
| 8183904 | Control system for a phase generator and corresponding control method A control system for a phase generator including a delay block including delay units, and first and second multiplexers configured to receive output signals of each of the delay units and to respectively supply first and second output signals. The control system may... | 05/22/2012 |
| 8169178 | Detection of the angular position of the rotor of a brush motor without using sensors A method of detecting an angular position of a rotor of a motor includes detecting switching ripple peaks and armature current disturbance peaks using a peak detector configured to generate a square wave having edges coinciding with detected peaks. The method furthe... | 05/01/2012 |
| 8161327 | Process and system for the verification of correct functioning of an on-chip memory A method is for making an integrated circuit with built-in self-test. The method includes forming at least one nonvolatile read only memory (ROM) to store ROM code and forming a logic self-test circuit to verify a correct functioning of the at least one nonvolatile ... | 04/17/2012 |
| 8142944 | Micro fuel cell and corresponding microreactor, supplied with hydrogen, for producing electric energy A device for producing energy for portable applications including at least one micro fuel cell and a microreactor, having a reaction chamber including a catalyst, for producing hydrogen gas to be fed to the micro fuel cell. The microreactor includes at least one sub... | 03/27/2012 |
| 8134327 | Phase current measurements in a three phase inverter using a single common DC-link current sensor A method for measuring current in each phase of a three-phase inverter driven motor is based on the three-phase inverter being controlled in a PWM mode by three PWM signals including the use of a common DC-link current sensing resistor. The current on the sensing re... | 03/13/2012 |
| 8124865 | Method of fabrication of plastic film supported single crystal silicon photovoltaic cell structure A method of fabricating a wafer-size photovoltaic cell module includes defining an integrated cellular structure of a light converting monolateral or bilateral junction diode in an epitaxially grown detachable layer including a first deposited metal current collecti... | 02/28/2012 |
| 8106832 | Circularly polarized patch antenna with single supply point An antenna for circularly polarized radiation having a lamina of electrically conductive material with a generally square shape and a first chamfer on a first vertex of the generally square shape. The chamfer determines an asymmetrical shape of the lamina. ... | 01/31/2012 |
| 8099640 | Shared diagnosis method for an integrated electronic system including a plurality of memory units A shared diagnosis method may be for an electronic integrated system embedding a plurality of memory units associated with Built In Self Test (BIST) hardware portions for executing a test on memory locations of the memory units. A FAIL signal may be provided from th... | 01/17/2012 |
| 8078804 | Method and arrangement for cache memory management, related processor architecture A data cache memory coupled to a processor including processor clusters are adapted to operate simultaneously on scalar and vectorial data by providing data locations in the data cache memory for storing data for processing. The data locations are accessed either in... | 12/13/2011 |
| 8063693 | Electronic circuit for generating low voltage and high frequency phases in a charge pump A charge pump latch circuit is provided that includes at least one first and at least one second charge pump stage interconnected by an intermediate circuit node, and a stabilization stage connected to the intermediate circuit node and to control terminals of transi... | 11/22/2011 |
| 8062976 | Low cost method of fabrication of vertical interconnections combined to metal top electrodes A method is for forming a vertical interconnection through a dielectric layer between upper and lower electrically conductive layers of an integrated circuit. The method includes forming an opening through the dielectric layer and placing a solidifiable electrically... | 11/22/2011 |
| 8060725 | Processor architecture with processing clusters providing vector and scalar data processing capability A processor architecture for multimedia applications includes processor clusters providing vectorial data processing capability. Processing elements in the processor clusters process both data with a bit length N and data with bit lengths N/2, N/4, and so on accordi... | 11/15/2011 |
| 8054023 | Method and related circuit for driving a sensorless brushless motor A method of driving a sensorless brushless motor in PWM mode includes tristating a winding during a time window for detecting a zero-cross of the back electromotive force induced in the winding by rotation of a rotor, monitoring voltage of the tristated winding duri... | 11/08/2011 |
| 8049564 | Distributed active transformer amplifier with differential power combiner A power amplifier formed by a plurality of pairs of transistors, each pair including a first transistor and a second transistor having each a respective input terminal and a respective output terminal. The output terminals of the first and second transistors of each... | 11/01/2011 |
| 8048785 | Method of fabricating nanosized filamentary carbon devices over a relatively large-area Nanosized filamentary carbon structures (CNTs) nucleating over a catalyzed surface may be grown in an up-right direction reaching a second surface, spaced from the first surface, without the need of applying any external voltage source bias. The growth process may b... | 11/01/2011 |
| 8044645 | Multi-phase voltage regulator A multiphase voltage regulator provides a voltage to an output terminal. The voltage regulator includes N parallel switches providing respective current phases that are added together to generate a total current for a general load coupled to the output terminal. The... | 10/25/2011 |
| 8044619 | Prevention of concurrent PWM or PSM commutations of power signals driving a voice coil motor (VCM) to reduce S/N ratio degradation of low level signal lines of a R/W head A method of preventing concurrent or quasi-concurrent commutations of a pair of phase shift modulation (PSM) drive signals of an output bridge stage driving an electrical load includes establishing a threshold level of a programmed current level to be transmitted th... | 10/25/2011 |
| 8044462 | Process for manufacturing a power device on a semiconductor substrate and corresponding device An electronic device includes a semiconductor substrate of a first conductivity type and a drain layer adjacent the semiconductor substrate and having a plurality of drains. The drain layer includes a first semiconductor layer of the first conductivity type adjacent... | 10/25/2011 |
| 8008406 | Synthesis and characterization of a novel proton exchange membrane (PEM) for applications in fuel cells A fuel cell membrane is described comprising at least one sulfonated aromatic polyether copolymer comprising a poly-arylen-ether-ketone (PEK) moiety or sulfonated derivatives thereof, deriving from spiro-bis-indane or 4,4′-(hexafluoroisopropylidene)diphenol (BPAF)... | 08/30/2011 |
| 8000715 | Method and system for dynamic spectrum allocation, and computer program product therefor A communication network such as a cellular network or a WLAN includes a set of user terminals. Within the communication network, a system dynamically controls spectrum usage. The system includes a functionality sensor for sensing spectrum usage within the area cover... | 08/16/2011 |
| 7990389 | Graphic system comprising a pipelined graphic engine, pipelining method and computer program product A graphic system includes a pipelined graphic engine for generating image frames for display. The pipelined graphic engine includes a geometric processing stage for performing motion extraction, and a rendering stage for generating full image frames at a first frame... | 08/02/2011 |
| 7974483 | Method and corresponding device for block coding data The method for block coding data, such as video data, via a compression operation includes applying to input-data blocks a discrete-cosine-transform (DCT) operation and a quantization operation to produce compressed-data blocks. The compressed-data blocks are subjec... | 07/05/2011 |
| 7973519 | Device for transforming a primary AC voltage in a lower AC voltage in a lower AC voltage for supplying an electrical load A device for transforming an AC voltage to a lower AC voltage includes a generator of a PWM control signal and a first bidirectional switch to couple a load to the AC voltage during a conduction-phase. A second bidirectional switch discharges energy from the load du... | 07/05/2011 |
| 7962272 | Method and associated device for sensing the air/fuel ratio of an internal combustion engine A method of sensing the air/fuel ratio in a combustion chamber of an internal combustion engine that may be easily implemented by a respective low-cost device includes a pressure sensor and a learning machine that generates a sensing signal representing the air/fuel... | 06/14/2011 |
| 7961790 | Method for encoding/decoding signals with multiple descriptions vector and matrix The method for encoding and/or decoding video signals, includes the operations of generating at a transmitter side a multiple descriptions vector associated to a pixel values vector of the video signals and decoding at a receiver side available descriptions vector f... | 06/14/2011 |
| 7960956 | Controller for DC-DC converters with bypass compensation A controller is provided for DC-DC converters of the type associated with a half-bridge driving stage of at least one inductive load, with a pair of power MOS transistors in Highside and Lowside configuration being driven by a corresponding converter. The controller... | 06/14/2011 |
| 7956590 | Method for controlling a multiphase interleaving converter and corresponding controller A method is provided for controlling a converter of the multiphase interleaving type. According to the method, there is detected when a change of the load applied to an output terminal of the converter occurs. All the phases of the converter are simultaneously turne... | 06/07/2011 |
| 7941715 | Asynchronous set-reset circuit device An asynchronous set-reset circuit device for testing activity performed by an Automatic Test Patterns Generation tool may include a pair of logic gates having at least two inputs each, and a logic gate structure coupled upstream from the pair of logic gates. The log... | 05/10/2011 |
| 7940030 | DC-DC converter with current overload protection circuit and method A DC-DC converter including: a switch, having a control terminal receiving a control signal, and a conduction terminal supplying a current; a load, coupled to the conduction terminal of the switch and selectively receiving the current; a control circuit, receiving a... | 05/10/2011 |
| 7929643 | Method of estimating fading coefficients of channels and of receiving symbols and relative single or multi-antenna receiver and transmitter The method is for estimating the fading coefficients of a plurality of transmission channels on which signals to be sent, generated as a function of a sequence of symbols, are transmitted according to a particular modulation, e.g. AM-PSK modulation. The fading coeff... | 04/19/2011 |
| 7929601 | Methods and system for encoding/decoding signals including scrambling spectral representation and downsampling A method for encoding and decoding media signals, includes the operations of generating at a transmitting side multiple descriptions associated to data of the media signals through a downsampling operation performed on the data, and decoding at a receiving side the ... | 04/19/2011 |
| 7915908 | Crosstalk suppression in wireless testing of semiconductor devices An integrated circuit integrated on a semiconductor material die and adapted to be at least partly tested wirelessly, wherein circuitry for setting a selected radio communication frequencies to be used for the wireless test of the integrated circuit are integrated o... | 03/29/2011 |
| 7911290 | Transmission line system for a digital signal having a transfer bus shielded from disturbances by at least one conductive line A transmission system for a digital signal includes a transmitter and a receiver connected thereto by a transfer bus. The transmission system includes at least one conductive line capacitively coupled with the transfer bus. ... | 03/22/2011 |
| 7911032 | Method for generating a signal representative of the current delivered to a load by a power device and relative power device An integrated power transistor includes emitter or source regions, and a comb-like patterned metal electrode structure interconnecting the emitter or source regions and defining at least one connection pad. The comb-like patterned metal electrode structure includes ... | 03/22/2011 |
| 7902764 | Control device for discharge lamp A driving method for a discharge lamp having two cathodes includes providing a supply input voltage for providing an alternating voltage at the terminals of the cathodes, monitoring a condition of each of the cathodes and measuring a first direct voltage signal of t... | 03/08/2011 |
| 7902070 | Method and system for producing optically transparent noble metal films A method and system for producing a noble metal film includes the step of sputtering a noble metal on a substrate thus obtaining a film. The method and system further includes the step of subjecting the film to a thermal treatment, thus obtaining the noble metal fil... | 03/08/2011 |
| 7900103 | Scan chain architecture for increased diagnostic capability in digital electronic devices A scan chain architecture includes a cascade of flip-flop cells each having at least one input and output or an inverted output. The output or inverted output of a flip-flop is connected to the input of the subsequent flip-flop. The connection between two consecutiv... | 03/01/2011 |
| 7898780 | Electronic differential switch An electronic differential switch is provided that is connected to a phase cable and a neutral cable of an electric network. The electronic differential switch includes a first winding associated with a second winding, at least one toroid associated with the first w... | 03/01/2011 |
| 7893662 | Method and related device for charging at the same voltage two or more capacitors connected in series A device, such as a pump capacitor or an energy storing inductor, is charged by coupling it to a voltage source. Thereafter, the device is connected in parallel to one of the capacitors or capacitance cells to be charged, and the charging of the device and successiv... | 02/22/2011 |
| 7892693 | Fuel cell planarly integrated on a monocrystalline silicon chip and process of fabrication A fuel cell is entirely fabricated on a single monocrystalline silicon substrate, and substantially overcomes leak proofing and wafer bonding difficulties and criticalities while ensuring an intrinsic sturdiness of the planarly integrated functional structure of the... | 02/22/2011 |
