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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7480415 | Fractal-coding addressing of reference block memories The storage of values of a range block and of seven isometries used in a fractal image compression method, comprising using four memory areas of identical sizes in which are respectively stored the identity, and three first isometries corresponding to the isometries... | 01/20/2009 |
| 7480354 | Method and apparatus for channel estimation and cell search in cellular communication systems, and corresponding computer program product In order to perform, according to a received signal (r), a channel-estimation procedure and a cell-search procedure in cellular communication systems, there are executed at least one first operation of correlation of said received signal (r) with secondary synchroni... | 01/20/2009 |
| 7463997 | Pedometer device and step detection method using an algorithm for self-adaptive computation of acceleration thresholds In a pedometer device for detecting and counting steps of a user on foot, an accelerometer sensor detects a vertical acceleration generated during the step. A processing unit, connected to the accelerometer sensor, processes an acceleration signal relating to the ac... | 12/09/2008 |
| 7460581 | Method for transmitting signals using antenna diversity, for instance in mobile communication systems, transmitter, receiver and computer program product therefor Encoded digital symbols are transmitted via a first pair of antennas and at least one second pair of antennas. The sets of symbols used for the transmission via the second pair of antennas are re-ordered temporally into subsets of symbols with respect to the symbols... | 12/02/2008 |
| 7460401 | Method for checking block erasing of a memory and circuit thereof A method checks the state of a set of memory cells of a memory having memory cells arranged in a memory array, row and column decoders for selecting a memory cell, and a sense amplifier for supplying a state of the selected memory cell depending on whether the selec... | 12/02/2008 |
| 7447080 | Method and device for checking the execution of a write command for writing in a memory A method for executing a write command for writing a binary word in a programmable memory, comprises writing each of the bits in a programmed state of a binary word to be written in a corresponding memory cell of the memory, reading each bit of the word written in t... | 11/04/2008 |
| 7439800 | Amplitude demodulator for an electromagnetic transponder An amplitude demodulator comprising a capacitive element for filtering a first D.C. component of a received signal, an element for detecting edges in the signal provided by the capacitive element, and at least one switching element for forcing, at least after detect... | 10/21/2008 |
| 7423502 | Electronic circuit comprising a resonator to be integrated into a semiconductor product An electronic circuit comprises a resonator meant to be integrated into a semiconductor product including a resonator having first and second resonant frequencies. The electronic circuit comprises: a first inductive partner element for canceling out said second reso... | 09/09/2008 |
| 7411428 | Multisense-adaptive reading circuit, particularly for interleaved DC-DC converters and corresponding reading method A multisense-adaptive reading circuit is described, which is associated to a sense element of an interleaved DC-DC converter module. The reading circuit comprises at least a first and second current source connected to a first and second terminal of the module, conn... | 08/12/2008 |
| 7406113 | Integrated circuit for code acquisition A semiconductor integrated circuit for processing a plurality of received broadcast signals, such as GPS signals, is operable in two modes: acquisition and tracking. In an acquisition mode, sample reducer combines samples of a received signal for correlation with a ... | 07/29/2008 |
| 7404069 | Branch tracing generator device and method for a microprocessor supporting predicated instructions and expanded instructions A device generates an address branch trace for a microcontroller unit, a microprocessor or a data processing unit having a set of instructions including at least one predicated instruction and at least one instruction of the expanded type. The device includes: a fir... | 07/22/2008 |
| 7403433 | Self timing write architecture for semiconductor memory and method for providing the same A self timing write architecture for semiconductor memory and a method for providing the same are provided. The core region of the semiconductor memory comprises of a normal memory cell array and a dummy column. The dummy column comprises of two blocks—block A and... | 07/22/2008 |
| 7403558 | Integrated circuit for code acquisition A semiconductor integrated circuit for processing a plurality of received broadcast signals, such as GPS signals, is operable in two modes: acquisition and tracking. In an acquisition mode, a memory arrangement comprising two circulating shift registers circulates s... | 07/22/2008 |
| 7388802 | Memory protected against attacks by error injection in memory cells selection signals A memory comprises memory cells arranged in a memory array, and an address decoder to apply memory cells selection signals to the memory array according to a read address applied to the memory. The memory comprises an address reconstruction circuit which reconstruct... | 06/17/2008 |
| 7386645 | System on a chip with an arbitration unit to grant right of access to a common resource in response to conflicting requests for access from initiator modules, and storage key incorporating the arbitration unit An electronic system comprises a defined number N of functional modules, including a defined number P of initiator modules and a defined number Q of target modules, where N, P and Q are integer numbers such that 2≦P≦N and 1≦Q≦N. In the event of a plurality o... | 06/10/2008 |
| 7372337 | Voltage controlled oscillator comprising an injection pulling compensation circuit The present invention relates to a method for stabilising the operation of a voltage controlled oscillator driven by a phase locked loop, the voltage controlled oscillator delivering an RF signal and receiving through at least one spurious path a harmonic component ... | 05/13/2008 |
| 7349474 | Method and apparatus for variable bit-rate control in video encoding systems and computer program product therefor A method for controlling the bit-rate of a bitstream of encoded video signals at a variable bitrate, the bitstream being generated by compressing a video sequence of moving pictures, wherein each picture comprises a plurality of macroblocks of pixels compressed by a... | 03/25/2008 |
| 7345554 | Integrable phase-locked loop including an acoustic resonator A phase-locked loop that can be integrated into a semiconductor product comprises: a phase comparator having a first input, a second input and an output, said first input receiving a reference frequency; a low-pass filter having an input connected to said output of ... | 03/18/2008 |
| 7315909 | Hierarchized arbitration method An arbitration method, for a data bus in an architecture having n functional blocks, regulates access to the bus. The method includes: receiving, at one of plural agents, information from one of the functional blocks via high level primitives. Each agent generates i... | 01/01/2008 |
| 7310574 | Electronic architecture of an automatic system for driving an internal combustion engine An architecture of an ignition and/or injection managing system for an internal combustion engine, of the type structured to cooperate with an electronic engine control unit. Also included is an electronic device architecture for determining the operating phase of a... | 12/18/2007 |
| 7308249 | Communication between electromagnetic transponders An electromagnetic transponder intended to draw the power necessary to its operation of from a field radiated by a terminal of transmission of a carrier at a first supply frequency and to back-modulate the received signal at the rate of a sub-carrier at a second fre... | 12/11/2007 |
| 7292664 | Process and device for synchronization and codegroup identification in communication systems of the cellular type To obtain frame synchronization and identify the cell codegroup in a cellular communication system (such as a system based upon the standard 3GPP FDD), there are available the synchronization codes organized in chips or letters transmitted at the beginning of respec... | 11/06/2007 |
| 7289426 | Method and low consumption device for parallel generating channelization codes for CDMA transmissions, in particular WH and OVSF codes Described herein is a method for parallel generating Walsh-Hadamard (WH) channelization codes and Orthogonal Variable Spreading Factor (OVSF) channelization codes, which are channelization codes formed by a plurality of strings of antipodal digits, each having a giv... | 10/30/2007 |
| 7280614 | Synchronization and equalization device for a digital transmission system receiver A receiver for a digital data transmission device for receiving a digital signal and comprising a free sampler physically taking samples rk of a received signal r(t) at a frequency at least equal to twice the received signal spectrum maximum frequency. A ... | 10/09/2007 |
| 7274274 | Integrable acoustic resonator and method for integrating such resonator An acoustic resonator circuit to be integrated into a semiconductor product including: a resonator comprising first and second resonant frequencies; an inductive resistor tuned to said second resonant frequency so as to cancel the latter and to allow tuning of the r... | 09/25/2007 |
| 7248622 | Low-power code division multiple access receiver A low-power receiver architecture of use in direct sequence spread spectrum communications system receivers, such as in a code division multiple access system, is provided. The receiver employs analog correlation, wherein its analog-digital, converters are able to o... | 07/24/2007 |
| 7236169 | Geometric processing stage for a pipelined graphic engine, corresponding method and computer program product therefor A geometric processing stage for a pipelined engine for processing video signals and generating processed video signal in space coordinates (S) adapted for display on a screen. The geometric processing stage includes: a model view module for generating projection co... | 06/26/2007 |
| 7227412 | Attenuation cell with an attenuation factor control device Attenuation cell comprising first and second differential pairs of bipolar transistors. A gain control device applies a voltage VA−VB between the bases of both differential pairs and comprises a set of three diodes in which a current IA, a current IB and the sum I... | 06/05/2007 |
| 7218181 | Integrable amplitude-locked loop including an acoustic resonator An amplitude-locked loop (ALL) includes: a comparator circuit having a first input, a second input and an output, said first input receiving an electric reference signal; a loop filter having an input connected to said output of said comparator circuit and having an... | 05/15/2007 |
| 7213185 | Built-in self test circuit for integrated circuits A built-in self-test circuit adapted to be embedded in an integrated circuit for testing the integrated circuit, including in particular a collection of addressable elements, for example a semiconductor memory. The BIST circuit comprises a general-purpose data proce... | 05/01/2007 |
| 7203244 | COFDM demodulator with an optimal FFT analysis window positioning A COFDM demodulator or analogue comprising a fast Fourier transform circuit analyzing a received signal in a window corresponding to a symbol, each symbol conveying several phase- and/or amplitude-modulated carriers, some of which are signaling carriers, and a circu... | 04/10/2007 |
| 7190940 | Method and system for frequency offset estimation A method and system for estimating a frequency offset between a receiver and a transmitter, including the steps of, or means for: (a) receiving a first signal from said transmitter and demodulating the first signal; (b) performing a frequency shift on said first sig... | 03/13/2007 |
| 7188131 | Random number generator A generator of random numbers by a flip-flop having a data input receiving a first signal at a first frequency comprised in a predetermined range and the instantaneous value of which is conditioned by a disturbing signal, and having a clock input receiving a second ... | 03/06/2007 |
| 7187240 | Integrated electronic circuit comprising a tunable resonator An integrated electronic circuit comprises at least first and second variable resonator elements that can be tuned by means of an electric signal (Vtune) and that are arranged on the same silicon substrate, and that are respectively integrated into a Mast... | 03/06/2007 |
| 7187717 | Process for modulation and determination of the bit loading on a transmission channel A modulation process for a digital transmission system having an error correcting code and determination of the number of bits to load on a transmission channel. The process judiciously associates a coder for introducing redundancy to the binary information, an inte... | 03/06/2007 |
| 7184319 | Method for erasing non-volatile memory cells and corresponding memory device The invention relates to a method for erasing non-volatile memory cells, and to a corresponding non-volatile memory device of the programmable and electrically erasable type implementing the method, and comprising a memory cell array organized in a row-and-column la... | 02/27/2007 |
| 7177812 | Universal sampling rate converter for digital audio frequencies A method for conversion of input audio frequency data, at an input sample frequency, to output audio frequency data, at an output sample frequency. The input data is subjected to expansion to produce expanded data at an output sample frequency. The expanded data is ... | 02/13/2007 |
| 7177893 | High-efficiency saturating operator A method for determining, by means of a circuit, a result sk+2 of an operation of the type s k + 2 = ... | 02/13/2007 |
| 7171950 | Method and device for determining the pressure in the combustion chamber of an internal combustion engine, in particular a spontaneous ignition engine, for controlling fuel injection in the engine A method is described for controlling fuel injection in an spontaneous ignition engine equipped with an electronically controlled fuel injection system and with an electronic control unit receiving engine quantities comprising the pressure in the combustion changer ... | 02/06/2007 |
| 7154943 | Method and circuit of digital measurement of the phase of a sinusoidal signal A method for measuring with a maximum error E the phase of a substantially sinusoidal signal, of angular frequency ω=2π/T, sampled with a sampling period T/r, in which the phase is calculated as the time at which a straight line crossing two consecutive samples lo... | 12/26/2006 |
