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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 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 |
| 8045712 | Stream ciphering of the content of a memory external to a processor A method and an element of ciphering by an integrated processor of data to be stored in a memory, including applying a ciphering algorithm which is a function of a key specific to the integrated circuit and of an initialization vector, and of memorizing at least the... | 10/25/2011 |
| 8044892 | Automatic adaptation of the precharge voltage of an electroluminescent display A circuit for controlling a matrix display formed of light-emitting diodes, capable of successively selecting lines of the screen and, for each line from a set of selected lines, of selecting columns, the voltage of each selected column settling at an operating volt... | 10/25/2011 |
| 8041538 | Estimating of the amplitude of a noisy binary signal A method and a device for estimating a first value of a signal formed of a series of values corresponding either to the first value or to a second value equal to the opposite of the first value, where the signal can take values other than the first and second values... | 10/18/2011 |
| 8040215 | Address selection for an I2C bus An address configuration circuit and a method for sharing a series bus connected to a first device between two secondary devices by a configuration within each secondary device of a different address, including, in a configuration phase, the temporary configuring of... | 10/18/2011 |
| 7964928 | Photodetector with an improved resolution A photodetector made in monolithic form in a lightly-doped substrate of a first conductivity type. This photodetector includes at least two photodiodes and includes a first region of the first conductivity type more heavily doped than the substrate extending at leas... | 06/21/2011 |
| 7952458 | Balun with a 1/4 impedance ratio A mode-switching transformer with a 1-to-4 impedance ratio having a first planar winding formed in a first conductive level from a first differential mode terminal outside of the winding; a second planar winding formed in a second conductive level from a second diff... | 05/31/2011 |
| 7941672 | Regeneration of a secret quantity from an intergrated circuit identifier A method and a circuit for generating a secret quantity based on an identifier of an integrated circuit, including combining a first digital word derived from a physical parameter network with a second word stored in a non-volatile memory element. ... | 05/10/2011 |
| 7937590 | Secure identification with biometric data A secure method and device of identification by biometric data in which digital biometric data obtained by a sensor are combined with an identifier of an integrated circuit chip contained in a device common to the sensor. ... | 05/03/2011 |
| 7911424 | Automatic adaptation of the supply voltage of an electroluminescent display according to the desired luminance A device for regulating the bias voltage of circuits for controlling columns of a matrix display capable of selecting columns to turn on the light-emitting diodes of the selected columns and of a selected line, the device including a first measurement circuit provid... | 03/22/2011 |
| 7900051 | Secure multimedia data transmission method A secure method and system of digital data transmission between a sender and a receiver, including a phase of receiver authentication by a symmetrical authentication key sharing algorithm with no transmission of the key, a phase of data watermarking by using the aut... | 03/01/2011 |
| 7871832 | Generating an integrated circuit identifier The generation of a chip identifier supporting at least one integrated circuit, which includes providing a cutout of least one conductive path by cutting the chip, the position of the cutting line relative to the chip conditioning the identifier. ... | 01/18/2011 |
| 7865144 | Determination of carrier and symbol frequencies in a signal A method and a device for determining, in a signal, a value of the frequency of a carrier and a value of the frequency of symbols carried by the carrier. A band of the signal is analyzed at three points and the relations between the powers at these points enable det... | 01/04/2011 |
| 7843513 | Automatic adaptation of a video source to a receiver An electronic system providing a video signal to an output terminal intended to be connected to a receiver having one input impedance out of two input impedances, the electronic system including an adaptable amplifier providing the video signal and capable of operat... | 11/30/2010 |
| 7831039 | AES encryption circuitry with CCM Circuitry for encrypting at least a part of an input data flow and generating a tag based on the input data flow with the same ciphering algorithm and the same key including a first ciphering branch arranged to encrypt the at least part of the input data; a second c... | 11/09/2010 |
| 7827222 | Checking of the skew constancy of a bit flow A method and a circuit for detecting a loss in the equiprobable character of a first output bit flow originating from at least one first element of normalization of an initial bit flow, including analyzing the flow rate of the normalization element. ... | 11/02/2010 |
| 7822953 | Protection of a program against a trap A method for controlling the execution, by a central processing unit, of a program stored in a memory, a redundancy code stored with first current data at a current address being assigned to second subsequent data of the program and depending at least on the second ... | 10/26/2010 |
| 7821558 | Image sensor with circuitry for detecting each pixel receiving a given light intensity and providing addresses thereof An image sensor including an assembly of pixels each having a photodetector, and having circuitry for detecting, at a given time, pixels receiving a light intensity value substantially equal to a given value and coding circuitry providing an address for each of said... | 10/26/2010 |
| 7809141 | Ciphering by blocks of the content of a memory external to a processor A method and an element for ciphering with an integrated processor data to be stored in a memory, including applying to each data block to be ciphered a ciphering algorithm which is a function of at least one key specific to the integrated circuit, and before applyi... | 10/05/2010 |
| 7796759 | Diversification of a single integrated circuit identifier A method and a circuit of generation of several secret quantities by an integrated circuit according to the destination of these secret quantities, including taking into account a first digital word forming a single identifier of the integrated circuit chip and comi... | 09/14/2010 |
| 7779528 | Test gas leak detection using a composite membrane A leak detector includes a leak detector inlet to receive a test gas; a vacuum pump coupled to the leak detector inlet; a test gas sensing unit connected through a passage to the leak detector inlet; and a membrane that is permeable to the test gas disposed in the p... | 08/24/2010 |
| 7779289 | Methods and data processing systems for sharing a clock between non-secured and secured tasks A method and a system of sharing of a clock by an electronic circuit between at least one first task clocked by at least one first counter and at least one second task clocked by a second counter, the two counters varying at the rate of said clock, the content of th... | 08/17/2010 |
| 7774615 | Integrity control of a memory external to a processor A method for recording at least one block of variable data in a first volatile memory external to a microprocessor, including calculating and storing a digital signature taking into account at least partially the address and the content of said data block in the mem... | 08/10/2010 |
| 7760825 | Device and method for suppressing pulse interferences in a signal A device for suppressing pulse interferences contained in a signal, including a circuit for detecting pulse interferences contained in the signal, and a circuit for correcting the signal disturbed by the detected pulse interferences, in which the detection circuit c... | 07/20/2010 |
| 7743790 | Shutter and gate valve assemblies for vacuum systems A shutter and gate valve assembly includes a valve housing that defines a passage therethrough, a valve member having a valve aperture, the valve member movable between a non-operating position that seals the passage and an operating position that aligns the valve a... | 06/29/2010 |
| 7742342 | Biasing circuit for EEPROM memories with shared latches An EEPROM memory having a matrix of individually selectable memory cells, the matrix having a plurality of columns, a plurality of data lines each coupled with the cells of a corresponding column, the data lines being grouped in a plurality of packets, a plurality o... | 06/22/2010 |
| 7728633 | Window comparator of an A.C. voltage A window comparator of an A.C. input voltage, including, between two terminals of application of a voltage representative of the voltage to be measured, two first transistors of a first type, each first transistor being assembled as a current mirror on the second tr... | 06/01/2010 |
| 7715486 | Method and device for estimating the transfer function of the transmission channel for a COFDM demodulator A method of COFDM demodulation of successive symbols, each symbol comprising data carriers and pilots. The method includes, for each symbol, the determination of estimates of the transfer function of the channel for the symbol carriers, including the steps of determ... | 05/11/2010 |
| 7693485 | Bluetooth polling with fewer poll packets A Bluetooth master unit polls a slave unit to enable the slave to resynchronize to the master, by sending POLL packets with sufficient frequency to maintain a connection to the slave, and in the intervals between such packets, sending NULL packets with sufficient fr... | 04/06/2010 |
| 7689635 | Area efficient shift / rotate system An area efficient data shifter/rotator using a barrel shifter. The invention is a circuit, which uses a single barrel shifter and is controllable to implement either a left or right shift or rotation of bits of a digital data word. The circuit is dynamically control... | 03/30/2010 |
| 7675106 | Non-volatile reprogrammable memory A non-volatile memory point including a floating gate placed above a semiconductor substrate, the floating gate comprising active portions insulated from the substrate by thin insulating layers, and inactive portions insulated from the substrate by thick insulating ... | 03/09/2010 |
| 7667556 | Integrated power combiner/splitter A combiner/splitter with distributed lines including a first line formed of a first planar winding in a first conductive level and of a second planar winding in a second conductive level; a second line formed of a third planar winding interdigited with the first win... | 02/23/2010 |
| 7660377 | Device for estimating a timing correction loop error for a digital demodulator A device for providing a digital error signal, for a timing correction loop of a digital demodulator for digital transmission by phase modulation or amplitude and phase modulation, the device successively receiving pairs of digital signals representative of the comp... | 02/09/2010 |
| 7642579 | Image sensor comprising pixels with one transistor A pixel having a MOS-type transistor formed in and above a semiconductor substrate of a first doping type, a buried semiconductor layer of a second doping type being placed in the substrate under the MOS transistor and separated therefrom by a substrate portion form... | 01/05/2010 |
| 7635896 | SOI device with contact trenches formed during epitaxial growing A method for manufacturing an integrated electronic device. The method includes providing an SOI substrate having a semiconductor substrate, an insulating layer on the semiconductor substrate, and a semiconductor starting layer on the insulating layer; epitaxially g... | 12/22/2009 |
| 7626799 | Microelectronic device equipped with a thermal protection circuit and thermal protection method for a microelectronic device A microelectronic device includes a first circuit and a second circuit, coupled to the first circuit for selectively preventing operation of the first circuit when a device temperature is higher than a temperature threshold. The second circuit is provided with a tem... | 12/01/2009 |
| 7623006 | Power combiner/splitter A distributed combiner/splitter having a first line formed of a first planar winding in a first conductive level and of a second planar winding in a second conductive level, and a second line formed of a third planar winding interdigited with the first winding in th... | 11/24/2009 |
| 7612387 | Thyristor optimized for a sinusoidal HF control A vertical thyristor adapted to an HF control, including a cathode region in a P-type base well, a lightly-doped P-type layer next to the base well, a lightly-doped N-type region in the lightly-doped P-type layer, a Schottky contact on the lightly-doped N-type regio... | 11/03/2009 |
| 7594101 | Secure digital processing unit and method for protecting programs A digital processing unit for executing program instructions stored in at least two memories and including at least one first register of temporary storage of the operator of a current instruction to be executed and at least a second register of temporary storage of... | 09/22/2009 |
| 7590673 | Normalization at constant flow of a noise source for random number generation A method and a circuit for normalizing an initial bit flow, provided by a noise source, comprising dividing the bit flow into words of identical lengths, and assigning to each bit word of the initial flow an output state, the occurrence of a word, all the bits of wh... | 09/15/2009 |
