Patent application number | Description | Published |
20130027310 | KEY ACTUATION DETECTION APPARATUS AND METHOD - A manual pointing device for a computer system, the device having at least one key that can be actuated manually by a user, a click-event detection module coupled to the key to detect actuation thereof on first, second, and third detection axes via an inertial sensing circuit elastically coupled to a casing with a board, the inertial-sensor circuit structured to be carried on the board so as to oscillate and to rotate about the second detection axis. | 01-31-2013 |
20130028450 | LID, FABRICATING METHOD THEREOF, AND MEMS PACKAGE MADE THEREBY - A lid for a MEMS device and the relative manufacturing method. The lid includes: a first board with opposite first and second surfaces having first and second metal layers disposed thereon, respectively, wherein a through cavity extends through the first board and the first and second metal layers; a second board with opposite third and fourth surfaces; an adhesive layer sandwiched between the second surface of the first board and the third surface of the second board to couple the first and second boards together such that the through cavity is closed by the second board, thereby forming a recess; and a first conductor layer coating the bottom and the side surfaces of the recess. | 01-31-2013 |
20130031950 | MICROELECTROMECHANICAL GYROSCOPE WITH SELF-CALIBRATION FUNCTION AND METHOD OF CALIBRATING A MICROELECTROMECHANICAL GYROSCOPE - A microelectromechanical gyroscope having a supporting structure; a mass capacitively coupled to the supporting structure and movable with a first degree of freedom and a second degree of freedom, in response to rotations of the supporting structure about an axis; driving components, for keeping the mass in oscillation according to the first degree of freedom; a read interface for detecting transduction signals indicating the capacitive coupling between the mass and the supporting structure; and capacitive compensation modules for modifying the capacitive coupling between the mass and the supporting structure. Calibration components detect systematic errors from the transduction signals and modify the capacitive compensation modules as a function of the transduction signals so as to attenuate the systematic errors. | 02-07-2013 |
20130033274 | MICROELECTROMECHANICAL SENSOR WITH DIFFERENTIATED PERFORMANCES AND METHOD OF CONTROLLING A MICROELECTROMECHANICAL SENSOR - A microelectromechanical sensor includes a supporting structure and a sensing mass, which is elastically coupled to the supporting structure, is movable with respect thereto with one degree of freedom in response to movements according to an axis and is coupled to the supporting structure through a capacitive coupling. A sensing device senses, on terminals of the capacitive coupling, transduction signals indicative of displacements of the first sensing mass according to the degree of freedom. The sensing device includes at least one first reading chain, having first operative parameters, one second reading chain, having second operative parameters different from the first operative parameters, and one selective electrical connection structure that couples the first reading chain and the second reading chain to the first terminals. | 02-07-2013 |
20130082258 | METHOD FOR STRIP TESTING OF MEMS DEVICES, TESTING STRIP OF MEMS DEVICES AND MEMS DEVICE THEREOF - A method for testing a strip of MEMS devices, the MEMS devices including at least a respective die of semiconductor material coupled to an internal surface of a common substrate and covered by a protection material; the method envisages: detecting electrical values generated by the MEMS devices in response to at least a testing stimulus; and, before the step of detecting, at least partially separating contiguous MEMS devices in the strip. The step of separating includes defining a separation trench between the contiguous MEMS devices, the separation trench extending through the whole thickness of the protection material and through a surface portion of the substrate, starting from the internal surface of the substrate. | 04-04-2013 |
20130088272 | LOW CONSUMPTION FLIP-FLOP CIRCUIT WITH DATA RETENTION AND METHOD THEREOF - The present disclosure relates to a low consumption flip-flop circuit with data retention, comprising at least one flip-flop and at least one retention cell connected to the output of the flip-flop and configured so that during normal operation of the flip-flop circuit, the retention cell transmits the data or logic state present on the output terminal of the flip-flop to its own output terminal, while during low consumption operation of the flip-flop circuit a latch circuit of the retention cell suitable to memorize data or a logic state corresponding to the last data or logic state present on the output terminal of the flip-flop is activated. | 04-11-2013 |
20130088897 | CONTROL INTEGRATED CIRCUIT FOR A POWER TRANSISTOR OF A SWITCHING CURRENT REGULATOR - An integrated circuit controls a switch of a switching current regulator. The current regulator comprises primary and secondary windings where a first and a second current flow, respectively. The switch is adapted to initiate or interrupt the circulation of the first current in the primary winding. The control integrated circuit comprises a comparator configured to compare a first signal representative of said first current to a second signal and a divider circuit configured to generate said second signal as a ratio of a third signal, proportional to a voltage on the primary winding, with a voltage on a capacitor. The capacitor is charged by a further current controlled by the third signal when the second current is different from zero. The capacitor is discharged through a parallel-connected resistor when the value of said second current is substantially zero. | 04-11-2013 |
20130095624 | MANUFACTURING PROCESS OF A POWER ELECTRONIC DEVICE INTEGRATED IN A SEMICONDUCTOR SUBSTRATE WITH WIDE BAND GAP AND ELECTRONIC DEVICE THUS OBTAINED - An embodiment of a process for manufacturing an electronic device on a semiconductor body of a material with wide forbidden bandgap having a first conductivity type. The process comprises the steps of: forming, on the semiconductor body, a first mask having a first window and a second window above a first surface portion and a second surface portion of the semiconductor body; forming, within the first and second surface portions of the semiconductor body underneath the first and second windows, at least one first conductive region and one second conductive region having a second conductivity type, the first conductive region and the second conductive region facing one another; forming a second mask on the semiconductor body, the second mask having a plurality of windows above surface portions of the first conductive region and the second conductive region; forming, within the first conductive region and the second conductive region and underneath the plurality of windows, a plurality of third conductive regions having the first conductivity type; removing completely the first and second masks; performing an activation thermal process of the first, second, and third conductive regions at a high temperature; and forming body and source regions. | 04-18-2013 |
20130102064 | RT-PCR CHIP WITH OPTICAL DETECTION - An apparatus ( | 04-25-2013 |
20130114360 | METHOD FOR DETECTING PERMANENT FAULTS OF AN ADDRESS DECODER OF AN ELECTRONIC MEMORY DEVICE - An embodiment of a method for detecting permanent faults of an address decoder of an electronic memory device including a memory block formed by a plurality of memory cells, including the steps of: selecting an address, which identifies a selected set of memory cells; writing at the selected address a code word generated on the basis of an information word, of the selected address, and of an error-correction code; and then detecting an error within a word stored at the selected address. The method moreover includes the steps of: selecting a set of excitation addresses; writing a test word at the selected address, and then writing an excitation word at each excitation address; and next comparing the test word with a new word stored at the selected address. | 05-09-2013 |
20130114806 | METHOD FOR ENCRYPTING A MESSAGE THROUGH THE COMPUTATION OF MATHEMATICAL FUNCTIONS COMPRISING MODULAR MULTIPLICATIONS - An embodiment concerns a method for encrypting a message through a cryptographic algorithm including a computation of a mathematical function including the computation of one or more modular multiplications. Such a cryptographic algorithm has a respective module. The method, carried out with an electronic device, includes: | 05-09-2013 |
20130118256 | MICROELECTROMECHANICAL DEVICE WITH POSITION CONTROL DRIVING AND METHOD FOR CONTROLLING A MICROELECTROMECHANICAL DEVICE - A MEMS gyroscope includes: a microstructure having a fixed structure, a driving mass, movable with respect to the fixed structure according to a driving axis, and a sensing mass, mechanically coupled to the driving mass so as to be drawn in motion according to the driving axis and movable with respect to the driving mass according to a sensing axis, in response to rotations of the microstructure; and a driving device, for keeping the driving mass in oscillation with a driving frequency. The driving device includes a discrete-time sensing interface, for detecting a position of the driving mass with respect to the driving axis and a control stage for controlling the driving frequency on the basis of the position of the driving mass. | 05-16-2013 |
20130120008 | METHOD OF DISCRIMINATION OF A DEVICE AS POWERABLE THROUGH A LAN LINE AND DEVICE FOR ESTIMATING ELECTRIC PARAMETERS OF A LAN LINE - PDs that can be supplied through the LAN line are discriminated from PDs that cannot be so supplied as a function of the resistance of the supply line and of the voltage drop caused by nonlinear elements in series therewith. The values of these two parameters are estimated by applying two distinct voltages to the supply terminals of the LAN line and sensing the relative steady-state currents absorbed by the power supply line, and by processing voltage and current values for estimating the resistance of the line and the voltage drop caused by nonlinear elements connected in series therewith. | 05-16-2013 |
20130128656 | SRAM MEMORY DEVICE AND TESTING METHOD THEREOF - A static random access memory (SRAM) device includes a memory array of a plurality of memory cells, a controller that receives an external clock signal formed by a succession of external pulses and generates an internal clock signal formed by a succession of internal pulses, and a driving circuit that receives the internal clock signal. The controller is operable in a first mode, wherein the controller generates, for each external pulse, a corresponding internal pulse and the controller controls the driving circuit so that the driving circuitry carries out one access to the memory array for each internal pulse. The controller is further operable in a second mode, wherein the controller generates, for each external pulse, a pair of internal pulses, and the controller controls the driving circuitry so that, for each pair of internal pulses, the driving circuitry writes a first data item in a set of memory cells, and then reads the set of memory cells, so as to acquire a second data item. | 05-23-2013 |
20130134131 | PROCESS FOR MANUFACTURING AN INTEGRATED MEMBRANE OF NOZZLES IN MEMS TECHNOLOGY FOR A SPRAY DEVICE AND SPRAY DEVICE USING SUCH MEMBRANE - A process for manufacturing a membrane of nozzles of a spray device, comprising the steps of laying a substrate, forming a membrane layer on the substrate, forming a plurality of nozzles in the membrane layer, forming a plurality of supply channels in the substrate, each supply channel being substantially aligned in a vertical direction to a respective nozzle of the plurality of nozzles and in direct communication with the respective nozzle. | 05-30-2013 |
20130136352 | METHOD OF CHROMATIC CLASSIFICATION OF PIXELS AND METHOD OF ADAPTIVE ENHANCEMENT OF A COLOR IMAGE - A method of processing digital images by transforming a set of pixels from a three-dimensional space to a normalized two-dimensional space, determining a membership class and membership class level of each pixel in the set of pixels, and selectively modifying colors of pixels in the set of pixels based on the determined membership classes and membership class levels. | 05-30-2013 |
20130146121 | SOLAR LIGHT CONCENTRATION PHOTOVOLTAIC CONVERSION SYSTEM USING A WAVELENGTH SPLITTER AND LAMBDA-SPECIFIC PHOTOVOLTAIC CELLS OPTICALLY COUPLED TO LAMBDA-DEDICATED FIBERS ILLUMINATED BY RESPECTIVE SPLIT BEAMS - A solar light concentration photovoltaic conversion system, uses a solar light collector to focus collected light onto a termination of at least one multi-fiber cable. A wavelength splitter is optically coupled to the other termination of the multi-fiber cable for producing light beams of different wavelengths, each illuminating the optical termination of one or more lambda-dedicated tap fibers or multi-fiber cables. From the wavelength splitter depart a number of lambda-dedicated groups of tap fibers adapted to convey the radiation to remotely arranged lambda-specific photovoltaic cells, configured for efficiently converting light energy of the specific wavelength spectrum carried along respective fiber or group of fibers into electrical energy. The lambda-specific photovoltaic cells are formed onto light spreading structures optically coupled to a respective tap fiber or multi-fiber cable, adapted to trap the injected light and convert it into electricity. | 06-13-2013 |
20130148906 | METHOD AND SYSTEMS FOR THUMBNAIL GENERATION, AND CORRESPONDING COMPUTER PROGRAM PRODUCT - An embodiment of a consumer electronics product having a thumbnail display feature includes a system for generating and storing thumbnails having a given size from images, such as JPEG images, for which a spatial frequency domain representation is available. The system includes a zooming processor to reduce the size of the images by zooming. The zooming processor is configured to perform both spatial frequency domain zooming to approximate the desired thumbnail size and then image pixel domain zooming to fit the desired thumbnail size. The product includes cache storage configured to store a plurality of thumbnails in a file system as free blocks in the file system, so that file system data structures are left unchanged. | 06-13-2013 |
20130148913 | METHOD AND SYSTEMS FOR THUMBNAIL GENERATION, AND CORRESPONDING COMPUTER PROGRAM PRODUCT - An embodiment of a consumer electronics product having a thumbnail display feature includes a system for generating and storing thumbnails having a given size from images, such as JPEG images, for which a spatial frequency domain representation is available. The system includes a zooming processor to reduce the size of the images by zooming. The zooming processor is configured to perform both spatial frequency domain zooming to approximate the desired thumbnail size and then image pixel domain zooming to fit the desired thumbnail size. The product includes cache storage configured to store a plurality of thumbnails in a file system as free blocks in the file system, so that file system data structures are left unchanged. | 06-13-2013 |
20130149838 | PROCESS FOR FILLING DEEP TRENCHES IN A SEMICONDUCTOR MATERIAL BODY, AND SEMICONDUCTOR DEVICE RESULTING FROM THE SAME PROCESS - A process for manufacturing a semiconductor device envisages the steps of: providing a semiconductor material body having at least one deep trench that extends through said body of semiconductor material starting from a top surface thereof; and filling the deep trench via an epitaxial growth of semiconductor material, thereby forming a columnar structure within the body of semiconductor material. The manufacturing process further envisages the step of modulating the epitaxial growth by means of a concurrent chemical etching of the semiconductor material that is undergoing epitaxial growth so as to obtain a compact filling free from voids of the deep trench; in particular, a flow of etching gas is introduced into the same reaction environment as that of the epitaxial growth, wherein a flow of source gas is supplied for the same epitaxial growth. | 06-13-2013 |
20130151195 | SYSTEM AND METHOD FOR COMPENSATING ORIENTATION OF A PORTABLE DEVICE - A system for compensating orientation of a portable device is provided with a processing unit for: determining a roll rotation angle of the portable device in a mobile reference system associated thereto; and applying a rotation matrix, which is a function of the roll rotation angle, for transforming relative displacements of the mobile device in the mobile reference system into corresponding displacements in a fixed reference system, of an inertial type, thus compensating the orientation of the portable device. The processing unit determines the roll rotation angle, in the presence of dynamic acceleration, by means of: acquisition of a roll angular velocity of the portable device by a gyroscopic sensor fixed with respect thereto; and time integration of the same roll angular velocity. | 06-13-2013 |
20130153030 | ENCAPSULATED FLEXIBLE ELECTRONIC DEVICE, AND CORRESPONDING MANUFACTURING METHOD - The disclosure relates to an encapsulated flexible electronic device comprising a flexible electronic device, wherein the flexible electronic device is protected by a protective coating layer, a first cover sheet and a second cover sheet being made of patterned and developed dry photoresist films. The encapsulated flexible electronic device may be used to directly realize different type of electronic devices, such as smart sensor devices. | 06-20-2013 |
20130155848 | LINK ADAPTATION IN WIRELESS NETWORKS - An embodiment of a system for physical link adaptation in a wireless communication network such as e.g., a WLAN, selectively varies the physical mode of operation of the transmission channels serving the mobile stations in the network. The system includes an estimation module to evaluate transmission losses due to collisions as well as transmission losses due to channel errors over the transmission channel, and an adaptation module to select the physical mode of operation of the transmission channel as a function of the transmission losses due to collisions and to channel errors as evaluated by the estimation module. | 06-20-2013 |
20130156087 | A DECISION FEEDBACK EQUALIZATION SCHEME WITH MINIMUM CORRECTION DELAY - A decision feedback equalizer includes a correction circuit to correct a sampled value of an incoming bit based on intersymbol interference of at least one preceding bit, and to generate a received bit. The correction circuit includes a first multiplexer and a first pair of latches coupled thereto. The first multiplexer is controlled by a clock signal to generate a digital level representative of a sign of a first correction coefficient to be subtracted from the sampled value of the incoming bit for deleting the intersymbol interference. The first pair of latches receives as input the received bit and is clocked in phase opposition by the clock signal to generate respective latched replicas of the received bit during respective active phases of the clock signal. The respective latched replicas are input to the first multiplexer. | 06-20-2013 |
20130157448 | METHOD FOR MANUFACTURING A SILICON CARBIDE WAFER AND RESPECTIVE EQUIPMENT - An embodiment described herein includes a method for producing a wafer of a first semiconductor material. Said first semiconductor material has a first melting temperature. The method comprises providing a crystalline substrate of a second semiconductor material having a second melting temperature lower than the first melting temperature, and exposing the crystalline substrate to a flow of first material precursors for forming a first layer of the first material on the substrate. The method further comprising bringing the crystalline substrate to a first process temperature higher than the second melting temperature, and at the same time lower than the first melting temperature, in such a way the second material melts, separating the second melted material from the first layer, and exposing the first layer to the flow of the first material precursor for forming a second layer of the first material on the first layer. | 06-20-2013 |
20130162296 | PEAK VOLTAGE DETECTOR AND RELATED METHOD OF GENERATING AN ENVELOPE VOLTAGE - A peak detector circuit receives an oscillating power supply signal. A capacitor is selectably coupled to the signal and charged to a value corresponding to a peak value of the signal. A switch is then opened to isolate the capacitor. A comparator continually compares the signal with the value stored on the capacitor. When the signal rises to within a selected threshold, relative to the stored value, the comparator produces a command signal to close the switch, again coupling the capacitor to the signal. The peak detector can also include a tracking circuit that controls the capacitor to track the oscillating signal while the switch is closed, a timer circuit configured to close the switch and activate the tracking circuit if more than a selected time passes without production of a command signal, and a circuit configured to control the polarity of a leakage current of the capacitor. | 06-27-2013 |
20130162297 | PEAK VOLTAGE DETECTOR AND RELATED METHOD OF GENERATING AN ENVELOPE VOLTAGE - A peak detector circuit receives an oscillating power supply signal. A capacitor is selectably coupled to the signal and charged to a value corresponding to a peak value of the signal. A switch is then opened to isolate the capacitor. A comparator continually compares the signal with the value stored on the capacitor. When the signal rises to within a selected threshold, relative to the stored value, the comparator produces a command signal to close the switch, again coupling the capacitor to the signal. The peak detector can also include a tracking circuit that controls the capacitor to track the oscillating signal while the switch is closed, a timer circuit configured to close the switch and activate the tracking circuit if more than a selected time passes without production of a command signal, and a circuit configured to control the polarity of a leakage current of the capacitor. | 06-27-2013 |
20130162871 | COLOR FILTER ARRAY DEFECT CORRECTION - Image defects in digital images are easily detectable by the human eye but may be difficult to detect in a computer-implemented fashion. In an embodiment of a digital-image-acquisition device, defects are removed on the CFA domain before color interpolation takes place. In order to allow cancellation of couplets of defective pixels, a two pass embodiment is presented. Such embodiment presents methods and systems that can remove both couplets and singlets without damaging the image. The system includes a ring corrector that detects a defect in the ring of pixels that surround a central pixel, a singlet corrector that detects and corrects the central pixel and removes a couplet if the ring corrector is activated, whereas if the ring corrector is switched off, the singlet corrector only removes singlets, and a peak-and-valley detector that avoids overcorrection by avoiding correcting signal peaks or valleys in case of spikes or drops in signal. | 06-27-2013 |
20130163615 | CONTROL DEVICE, FOR INSTANCE FOR SYSTEMS-ON-CHIP, AND CORRESPONDING METHOD - A system comprises a resource, such as an interconnection, for example, of the Network-on-Chip (NoC) type, having an overall bandwidth available for allocation to a set of initiators that compete for allocation of the overall bandwidth. The system includes a communication arbiter for allocating the overall bandwidth to the initiators according to respective values of bandwidth requested (RBW) by the initiators. A control device ( | 06-27-2013 |
20130163836 | COMPUTING THE MASS OF AN OBJECT - The mass of an object may be estimated based on intersection points of a representation of a surface in an image space with cubes defining the image space, the surface representing a surface of an object. The representation may be, for example, based on marching cubes. The mass may be estimated by estimating a mass contribution of a first set of cubes contained entirely within the representation of the surface, estimating a mass contribution of a second set of cubes having intersection points with the representation of the surface, and summing the estimated mass contribution of the first set of cubes and the estimated mass contribution of the second set of cubes. The object may be segmented from other portions of an image prior to estimating the mass of the object. | 06-27-2013 |
20130167643 | METHOD AND CIRCUIT FOR DETERMINING RESONANT FREQUENCIES OF A RESONANT DEVICE - A method determines a resonance frequency of a resonant device. The method includes stimulating the resonant device with a periodic input signal having a frequency in a frequency interval; determining a frequency value for said periodic input signal in said frequency interval for which a phase-difference between said periodic input signal and a corresponding periodic output signal of the resonant device is minimum; generating a flag indicating that a resonance frequency has been determined; and generating signals representing said resonance frequency as a value of the frequency of said periodic input signal. | 07-04-2013 |
20130168840 | SEMICONDUCTOR INTEGRATED DEVICE WITH MECHANICALLY DECOUPLED ACTIVE AREA AND RELATED MANUFACTURING PROCESS - A semiconductor integrated device is provided with: a die having a body of semiconductor material with a front surface, and an active area arranged at the front surface; and a package having a support element carrying the die at a back surface of the body, and a coating material covering the die. The body includes a mechanical decoupling region, which mechanically decouples the active area from mechanical stresses induced by the package; the mechanical decoupling region is a trench arrangement within the body, which releases the active area from an external frame of the body, designed to absorb the mechanical stresses induced by the package. | 07-04-2013 |
20130169480 | METHOD OF ACQUIRING CDMA-MODULATED SATELLITE SIGNALS AND RECEIVING APPARATUS IMPLEMENTING THE METHOD - A method of acquiring a satellite signal includes providing a CDMA-modulated signal, defining a first search frequency interval and a first reception sensitivity, and performing a first acquisition of the modulated signal according to the first sensitivity and the first frequency interval in order to provide an acquisition or failed acquisition result. In case of a failed acquisition, performing a second acquisition of the modulated signal as a function of a second search frequency interval, narrower than the first frequency interval, and a second reception sensitivity, greater than the first sensitivity and depending on a power of a side lobe of the modulated signal. | 07-04-2013 |
20130170091 | VARIABLE CAPACITANCE ELECTRONIC DEVICE AND MICROELECTROMECHANICAL DEVICE INCORPORATING SUCH ELECTRONIC DEVICE - An electronic device includes a capacitive component with variable capacitance coupled to a control stage that controls the capacitance, based on a reference signal, with a reference frequency, and an excitation signal, that is a multiple of the reference frequency. The capacitive component includes a variable capacitive network having a plurality of switched capacitors, each being switchable between a first configuration, where it is connected between connection terminals of the capacitive component, and a second configuration, where it is connected at most to one of the connection terminals. The control stage includes a logic module, coupled to the variable capacitive network for switching periodically each capacitor between the first configuration and the second configuration. A sign circuit, coupled to the capacitive component supplies a control signal having edges concordant with the excitation signal in one half-period of each cycle of the reference signal and discordant edges in the other half-period. | 07-04-2013 |
20130170166 | SEMICONDUCTOR PACKAGE SUBSTRATE AND METHOD, IN PARTICULAR FOR MEMS DEVICES - A semiconductor package substrate suitable for supporting a damage-sensitive device, including a substrate core having a first and opposite surface; at least one pair of metal layers covering the first and opposite surfaces of the package substrate core, which define first and opposite metal layer groups, at least one of said layer groups including at least one metal support zone; one pair of solder mask layers covering the outermost metal layers of the at least one pair of metal layers; and a plurality of routing lines; wherein the at least one metal support zone is formed so that it lies beneath at least one side of the base of the damage-sensitive device and so as to occupy a substantial portion of the area beneath the damage-sensitive device which is free of said routing lines; a method for the production of such substrate is also described. | 07-04-2013 |
20130175199 | SIM MODULE - A SIM module includes a SIM and a plastic support on which the SIM is attached. A discontinuity channel between the plastic support and the SIM is formed all around the SIM, the discontinuity channel being interrupted in at least two points of the plastic support attaching the SIM to the plastic support. The points are on a short side and on a long side of the SIM. | 07-11-2013 |
20130180331 | READING CIRCUIT FOR A MULTI-AXIS MEMS GYROSCOPE HAVING DETECTION DIRECTIONS INCLINED WITH RESPECT TO THE REFERENCE AXES, AND CORRESPONDING MULTI-AXES MEMS GYROSCOPE - A multi-axis gyroscope includes a microelectromechanical structure configured to rotate with respective angular velocities about respective reference axes, and including detection elements, which are sensitive in respective detection directions and generate respective detection quantities as a function of projections of the angular velocities in the detection directions. The gyroscope including a reading circuit that generates electrical output signals, each correlated to a respective one of the angular velocities, as a function of the detection quantities. The reading circuit includes a combination stage that combines electrically with respect to one another electrical quantities correlated to detection quantities generated by detection elements sensitive to detection directions different from one another, so as to take into account a non-zero angle of inclination of the detection directions with respect to the reference axes. | 07-18-2013 |
20130180334 | MICROELECTROMECHANICAL GYROSCOPE WITH ROTARY DRIVING MOTION AND IMPROVED ELECTRICAL PROPERTIES - An integrated microelectromechanical structure is provided with: a die, having a substrate and a frame, defining inside it a detection region and having a first side extending along a first axis; a driving mass, anchored to the substrate, set in the detection region, and designed to be rotated in a plane with a movement of actuation about a vertical axis; and a first pair and a second pair of first sensing masses, suspended inside the driving mass via elastic supporting elements so as to be fixed with respect thereto in the movement of actuation and so as to perform a detection movement of rotation out of the plane in response to a first angular velocity; wherein the first sensing masses of the first pair and the first sensing masses of the second pair are aligned in respective directions, having non-zero inclinations of opposite sign with respect to the first axis. | 07-18-2013 |
20130194842 | CONTROL DEVICE OF A SWITCHING POWER SUPPLY - A control device controls a switching converter. The converter has an input alternating supply voltage, a regulated direct voltage on the output terminal, and a switch connected to an inductor. The control device controls the closing and opening time period of said switch for each cycle and receives a first input signal representative of the current flowing through one element of the converter. The control device comprises a counter configured to count a time period, a comparator configured to compare said first input signal with a second signal, digital control block configured to control the closing and opening of said switch and to activate said counter to start the counting of said time period when the said first input signal crosses said second signal, with said switch being closed. The digital control block is configured to open the switch when the counter finishes the counting of said time period. | 08-01-2013 |
20130194845 | CONTROL DEVICE OF A SWITCHING POWER SUPPLY - A control device of a switching converter controls the closing and opening of a switch of the converter that regulates the operation of an inductor. The control device includes a ramp voltage generator, a switch control circuit configured to close the switch based on a comparison of the ramp voltage with a first signal and a generator control circuit configured to control the ramp voltage generator based on a value of a second signal representative of a current flowing through the inductor of the converter, in comparison with the value of a third signal. | 08-01-2013 |
20130198151 | METHODS FOR FILE SHARING RELATED TO THE BIT FOUNTAIN PROTOCOL - An embodiment relates to distributing media over a peer-to-peer network by employing a digital fountain coding. Accordingly, the file is separated into file portions and the portions are combined to obtain encoded portions which are then transmitted. A file portion may form a part of a plurality of the encoded and transmitted file portions. The portions may be pieces and/or blocks of the file, wherein a piece includes a plurality of blocks. An embodiment further provides mechanisms for efficient block-request-transmission approaches in which the initial requests for blocks in the file are transmitted and additional requests for some random blocks are transmitted. The additional requests may be transmitted after each piece or after the entire file blocks have been requested, or both. | 08-01-2013 |
20130202031 | GOP-INDEPENDENT DYNAMIC BIT-RATE CONTROLLER - A GOP-independent dynamic bit-rate controller system includes a user interface to receive one or more input parameters, a bit-rate controller and an encoder. The bit-rate controller regulates a bit-rate of an output bit-stream. The bit-rate controller includes multiple bit-rate modules to determine a bit-estimate and a quantization parameter, and a control module to calculate a convergence period based on the received input parameters and a frame rate. The control module selects a bit rate module based on the convergence period and the encoder generates the output bit-stream using the quantization parameter determined by the bit rate module. | 08-08-2013 |
20130203235 | CAPPED INTEGRATED DEVICE WITH PROTECTIVE CAP, COMPOSITE WAFER INCORPORATING INTEGRATED DEVICES AND PROCESS FOR BONDING INTEGRATED DEVICES WITH RESPECTIVE PROTECTIVE CAPS - A capped integrated device includes a semiconductor chip, incorporating an integrated device and a protective cap, bonded to the semiconductor chip for protection of the integrated device by means of a bonding layer made of a bonding material. The bonding material forms anchorage elements within recesses, formed in at least one between the semiconductor chip and the protective cap. | 08-08-2013 |
20130216097 | IMAGE-FEATURE DETECTION - An embodiment is a method for detecting image features, the method including extracting a stripe from a digital image, the stripe including of a plurality of blocks; processing the plurality of blocks for localizing one or more keypoints; and detecting one or more image features based on the one or more localized keypoints. | 08-22-2013 |
20140185949 | EFFICIENT COMPACT DESCRIPTORS IN VISUAL SEARCH SYSTEMS - Disclosed embodiments are directed to methods, systems, and circuits of generating compact descriptors for transmission over a communications network. A method according to one embodiment includes receiving an uncompressed descriptor, performing zero-thresholding on the uncompressed descriptor to generate a zero-threshold-delimited descriptor, quantizing the zero-threshold-delimited descriptor to generate a quantized descriptor, and coding the quantized descriptor to generate a compact descriptor for transmission over a communications network. The uncompressed and compact descriptors may be 3D descriptors, such as where the uncompressed descriptor is a SHOT descriptor. The operation of coding can be ZeroFlag coding, ExpGolomb coding, or Arithmetic coding, for example. | 07-03-2014 |