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| Number | Title | Issue Date |
| 6606047 | Methods and apparatus for estimating clipped samples during analog to digital conversion A circuit, for digitizing an analogue signal includes an analogue to digital converter, a clip processor adapted to estimate a value for clipped digital signal samples, and a buffer adapted to dynamically store a plurality of digitized samples produced by... | 08/12/2003 |
| 6606609 | Apparatus and method for operating an integrated circuit An integrated circuit comprising a logic processor and a fuzzy logic coprocessor is disclosed which processes a plurality of analog inputs. The logic processor and fuzzy logic processor are combined in the form of a single integrated circuit. The integrat... | 08/12/2003 |
| 6593600 | Responsive bidirectional static switch A monolithic bidirectional switch formed in a semiconductor substrate of type N, including a first main vertical thyristor, the rear surface layer of which is of type P, a second main vertical thyristor, the rear surface layer of which is of type N, an au... | 07/15/2003 |
| 6590247 | MOS capacitor with wide voltage and frequency operating ranges A MOS capacitor comprises a semiconductor substrate, a first well region of a first conductivity type formed in the substrate, at least one doped region formed in the first well region, and an insulated gate layer insulatively disposed over a surface of t... | 07/08/2003 |
| 6590256 | EEPROM cell testing circuit A testing circuit made on a silicon wafer including a plurality of identical cells, each of which includes a primary capacitor of given characteristics, which includes a test capacitor of same characteristics as each primary capacitor and of surface at le... | 07/08/2003 |
| 6590789 | Method and apparatus for regulating output voltage of a voltage converter A voltage converter including a circuit for controlling a switch for providing current to a primary winding of a transformer with inverted phase points, a secondary winding of which is associated with a capacitor for providing a regulated D.C. output volt... | 07/08/2003 |
| 6590349 | Bidirectional flip-flop A bidirectional switch, including a first bidirectional switch between two power terminals of the switch, a low-voltage storage element between a first power terminal and a control terminal of the switch, and a control stage adapted to cause, upon each ha... | 07/08/2003 |
| 6586961 | Structure and method of repair of integrated circuits The present invention relates to an integrated circuit, at least one portion of which includes at least one group of standby cells for possible connection to said portion of the integrated circuit by replacement connections, the length of which cannot exc... | 07/01/2003 |
| 6586959 | Method and apparatus for testing circuitry A method of testing a circuit which includes the steps of applying at least one input reference signal to a circuit under test which provides a reference signal from at least one output of the circuit under test, and defining at least one output signal of... | 07/01/2003 |
| 6586798 | High voltage MOS-gated power device MOS-gated power device including a plurality of elementary functional units, each elementary functional unit including a body region of a first conductivity type formed in a semiconductor material layer of a second conductivity type. A plurality of doped ... | 07/01/2003 |
| 6587011 | Low cost digital FM modulator A modulator including a noise shaper receiving the input signal and providing a signal coded over one bit, a phase loop including an adder and a shift register. The adder receives the signal coded over one bit, the output of the shift register, and a cons... | 07/01/2003 |
| 6584523 | Device for organizing the access to a memory bus This invention relates to a device for organizing access to a bus connecting a memory to at least two entities asynchronous binary signals representing requests for access to the bus. The device supplies binary signals to authorize the access to an entity... | 06/24/2003 |
| 6583487 | Power component bearing interconnections A power component formed in an N-type silicon substrate delimited by a P-type wall, having a lower surface including a first P-type region connected to the wall, and an upper surface including a second P-type region, a conductive track extending above the... | 06/24/2003 |
| 6580151 | Mechanical resistance of a single-crystal silicon wafer The present invention relates to a method of thinning of a single-crystal silicon wafer so that the wafer has a final thickness lower than 80 μm.... | 06/17/2003 |
| 6580100 | Voltage-controlled vertical bidirectional monolithic switch A vertical voltage-controlled bidirectional monolithic switch formed between the upper and lower surfaces of a semiconductor substrate surrounded with a peripheral wall, including: a first multiple-cell vertical IGBT transistor extending between a cathode... | 06/17/2003 |
| 6580142 | Electrical control methods involving semiconductor components A monolithic assembly includes vertical power semiconductor components formed throughout the thickness of a low doped semiconductive wafer of a first conductivity type, whose bottom surface is uniformly coated with a metallization. At least some of these ... | 06/17/2003 |
| 6577171 | Methods and apparatus for preventing inadvertent activation of power devices A high side circuit includes at least one power device having a first non-drivable terminal connected to a supply voltage, at least one load connected between a second non-drivable terminal of the power device and ground, and driving circuitry. The drivin... | 06/10/2003 |
| 6577085 | Control of a brushless motor A method and apparatus for controlling a brushless motor having a plurality of windings switched through a sequence of steps includes determining a transition time from one step to the next. The transition time is determined by detecting a zero crossing o... | 06/10/2003 |
| 6566935 | Power supply circuit with a voltage selector A power supply circuit receiving several supply voltages on respective switches, at least one of the switches being a first PMOS transistor connected between one of the supply voltages and a common output terminal, this switch being associated with a seco... | 05/20/2003 |
| 6563749 | Dynamic memory circuit including spare cells A dynamic memory circuit including memory cells arranged in an array of rows and columns, each row capable of being activated by a word line and each column being formed of cells connected to a first and to a second bit lines, which includes at least one,... | 05/13/2003 |
| 6564303 | Dual port memory for digital signal processor The present invention relates to a data processing system comprising a processor provided with two memory access units operating in parallel; two separate memories respectively associated with the two access units; and circuitry for, when the address of a... | 05/13/2003 |
| 6560625 | Fast digital adder A carry look-ahead digital adder that adds a first operand A of n bits and a second operand B of n bits, with n=2m, including: a first block calculating couples of signals Pq and Gq from the bits of rank q, Aq and Bq, of the first and second op... | 05/06/2003 |
| 6559505 | Power integrated circuit with vertical current flow and related manufacturing process Integrated circuit including a power component with vertical current flow and at least one low or medium voltage component, the at least one low or medium voltage component formed in a first semiconductor layer separated from a second semiconductor layer ... | 05/06/2003 |
| 6559409 | Method for marking integrated circuits with a laser A method for physically marking, on silicon wafers, of integrated circuits deemed to be defective during a testing step, so as to modify the visual appearance of the surface of these circuits, wherein the marking is done by the exposure of the circuits to... | 05/06/2003 |
| 6559515 | Insulating wall between power components An insulating wall of a second conductivity type intended for separating elementary components formed in different wells of a semiconductive layer of a first conductivity type, a component located in one at least one of the wells being capable of operatin... | 05/06/2003 |
| 6552575 | Word line testability improvement The present invention proposes a method of disabling a particular decoder output during scan-mode testing without impacting the critical path during either scan-mode or the normal mode of operation. During scan-mode testing a known bit stream may be progr... | 04/22/2003 |
| 6551868 | Vertical power component manufacturing method A method for manufacturing a vertical power component on a silicon wafer, including the steps of growing a lightly-doped epitaxial layer of a second conductivity type on the upper surface of a heavily-doped substrate of a first conductivity type, the epit... | 04/22/2003 |
| 6547149 | Electromagnetic transponder operating in very close coupling An electromagnetic transponder of the type including an oscillating circuit upstream of a rectifier adapted to providing a D.C. supply voltage to an electronic circuit, the electronic circuit including circuitry for transmitting digitally coded informatio... | 04/15/2003 |
| 6544841 | Capacitor integration A capacitor having an electrode with a general cup shape, including a generally horizontal bottom and vertical walls, and in electric contact by its bottom with a conductive pad, the pad extending beyond the upper surface of an insulating layer and the bo... | 04/08/2003 |
| 6529068 | Area-efficient reconstruction filters, particularly for current-driven D/A converters An area-efficient reconstruction filter removes undesirable sample images produced by current-driven digital-to-analog converters. The reconstruction filter includes: an input node for receiving the input current signal; an operational amplifier having fi... | 03/04/2003 |
| 6525582 | Latch operating with a low swing clock signal The present invention relates to a latch including two first N-channel transistors connected to a low supply potential and controlled by a clock signal; two second transistors respectively connecting the two first transistors to an inverted output termina... | 02/25/2003 |
| 6513898 | Integrated inkjet print head and manufacturing process thereof An inkjet print head includes an ink drop emission mini-gun and a drop emission sensor integrated in a chip of semiconductor material. The mini-gun is formed by an ink chamber and a nozzle in communication with the ink chamber and the drop emission sensor... | 02/04/2003 |
| 6506655 | Bipolar transistor manufacturing method A method of manufacturing a bipolar transistor in an N-type semiconductor substrate, including the steps of depositing a first base contact polysilicon layer and doping it; depositing a second silicon oxide layer; forming in the first and second layers an... | 01/14/2003 |
| 6507053 | Highly reliable OTP device The present invention relates to a one-time programmable (OTP) device including three fuses connected in parallel to a logic element which determines that the device is programmed when at least one of the fuses open. The present invention comprises a one-... | 01/14/2003 |
| 6480050 | Level shifter with no quiescent DC current flow A level shifter uses a current mirror as a current switch connected to the drains of two oppositely-driven FETs. A switch selectively connects the current mirror to its power supply so that no quiescent DC current flows.... | 11/12/2002 |
| 6476709 | Transmission of digital data over an A.C. supply line The present invention relates to a method of data transmission over an A.C. power supply line of a load to be cyclically powered, including organizing a switching of the A.C. supply voltage according to a coding of the data to be transmitted and outside c... | 11/05/2002 |
| 6473028 | Detection of the distance between an electromagnetic transponder and a terminal A method and apparatus for determining the distance separating an electromagnetic transponder from a terminal generating a magnetic field by a first oscillating circuit, the transponder including a second oscillating circuit, upstream of a rectifying circ... | 10/29/2002 |
| 6472244 | Manufacturing method and integrated microstructures of semiconductor material and integrated piezoresistive pressure sensor having a diaphragm of polycrystalline semiconductor material The method inlcudes the steps of forming a sacrificial buried region of insulating material on a substrate of monocrystalline semiconductor material, epitaxially growing a first semiconductor material layer on the substrate, the first semiconductor materi... | 10/29/2002 |
| 6473725 | Method of accurate simulation of logic circuits The present invention relates to a logic simulation method, in which a signal is switched between two logic states to simulate a transition of a real signal. The method comprises the step of inserting between the two logic states of the signal an intermed... | 10/29/2002 |
| 6468866 | Single feature size MOS technology power device A MOS technology power device comprises a semiconductor material layer of a first conductivity type, a conductive insulated gate layer covering the semiconductor material layer, and a plurality of elementary functional units. The conductive insulated gate... | 10/22/2002 |
