Patents Assigned to STMICROELECTRONICS (ROUSSET)
-
Publication number: 20100044874Abstract: An integrated circuit including an insulating layer having first and second opposite surfaces. The circuit includes, in a first area, first conductive portions of a first conductive material, located in the insulating layer, flush with the first surface and continued by first vias of the first conductive material, of smaller cross-section and connecting the first conductive portions to the second surface. The circuit further includes, in a second area, second conductive portions of a second material different from the first conductive material and arranged on the first surface and second vias of the first conductive material, in contact with the second conductive portions and extending from the first surface to the second surface.Type: ApplicationFiled: August 10, 2009Publication date: February 25, 2010Applicant: STMicroelectronics (Rousset) SASInventors: Stephan Niel, Jean-Michel Mirabel
-
Publication number: 20100049892Abstract: The present disclosure relates to a method of processing an interrupt comprising a peripheral unit sending an interrupt, the interrupt being intended for a virtual unit executed by a processing unit, transmitting the interrupt to an interrupt control unit coupled to a processing unit, and the interrupt control unit storing the interrupt in an interrupt register. According to an embodiment of the present disclosure, the interrupt is transmitted to the interrupt control unit in association with an identifier of the virtual unit receiving the interrupt, the interrupt register in which the interrupt belonging to a set of registers is stored comprising one interrupt register per virtual unit likely to be executed by the processing unit, the interrupt being transmitted to the processing unit if the virtual unit receiving the interrupt is being executed by the processing unit.Type: ApplicationFiled: August 14, 2009Publication date: February 25, 2010Applicant: STMicroelectronics Rousset SASInventors: Christian Schwarz, Joel Porquet
-
Publication number: 20100040045Abstract: The present disclosure relates to a method for routing data between a sending unit and a receiving unit linked by a network in a processing system comprising several units, the method comprising steps of routing data in the network between the sending unit and the receiving unit, and of applying a process to the routed data, the process comprising several steps which are applied to the data by different units in the network receiving the data, to use latency times in data routing.Type: ApplicationFiled: May 22, 2009Publication date: February 18, 2010Applicant: STMicroelectronics Rousset SASInventor: Albert Martinez
-
Publication number: 20100034000Abstract: An integrated circuit including a semiconductor layer; and a MOS transistor including first and second power terminals and a bulk insulated from the semiconductor layer, the first power terminal being intended to receive an oscillating signal, the transistor gate and the bulk being connected to the first power terminal.Type: ApplicationFiled: July 2, 2009Publication date: February 11, 2010Applicants: STMicroelectronics (Rousset) SAS, Universite de Provence (Aix-Marseille I)Inventors: Marc Battista, Hervé Chalopin, Hérve Barthelemy
-
Patent number: 7660342Abstract: A digital processing device is at the input of a radio frequency receiver chain, suited to a transmission system using a direct sequence spectrum spread, comprising analog-to-digital conversion means (ADC) performing an undersampling of a signal received, resulting in an overlapping of the wanted signal by the transmission channel noise, demodulation means connected to the output of the ADC, a low pass filter connected at the output of the demodulation means and a filter matched to the spreading code used, wherein the ADC includes a comparator capable of comparing the amplitude of the undersampled signal to a reference in order to carry out a quantizing of the 1-bit signal, said comparator bringing about the creation of a quantizing noise, and including an additional filtering unit arranged between the low pass filter and the matched filter, implementing a multi-noise, stochastic matched filtering operation.Type: GrantFiled: May 4, 2006Date of Patent: February 9, 2010Assignees: STMicroelectronics (Rousset) SAS, Universite de Provence (AIX Marseilee)Inventors: Benoît Durand, Christophe Fraschini, Philippe Courmontagne, Anne Collard Bovy, Stephane Meillere
-
Patent number: 7660341Abstract: A receiver device for a modulated signal, suited in particular to a transmission system using a binary carrier phase modulation by means of a binary message on which a direct sequence spread spectrum operation has been carried out, this device comprising a first analog radio frequency part, transforming the signal received into a low-frequency, demodulated signal, said demodulated signal being applied to a second digital part of said device comprising an analog-to-digital converter and a filter matched to the spreading code used in order to delete the spreading applied to the original message, said device being characterized in that it includes an additional filtering unit, arranged between the analog-to-digital converter and the matched filter, said filtering unit implementing a stochastic matched filtering operation in order to improve the signal-to-noise ratio at the input of said matched filter.Type: GrantFiled: May 4, 2006Date of Patent: February 9, 2010Assignees: STMicroelectronics (Rousset) SAS, Universite de Provence (AIX Marsielle)Inventors: Benoit Durand, Christophe Fraschini, Philippe Courmontagne
-
Publication number: 20100026358Abstract: A method for detecting a disturbance of the state of a synchronous flip-flop of master-slave type including two bistable circuits in series, in which the bistable circuits are triggered by two first signals different from each other, and the level of an intermediary junction point between the two bistable circuits is compared both to the level present at the input of the master-slave flip-flop and to the level present at the output, which results in two second signals providing an indication as to the presence of a possible disturbance.Type: ApplicationFiled: July 28, 2009Publication date: February 4, 2010Applicant: STMicroelectronics (Rousset) SASInventors: Frederic Bancel, Philippe Roquelaure
-
Patent number: 7656932Abstract: A digital processing device for a modulated signal, arranged at the input of a radio frequency receiver chain, suited in particular to a transmission system a direct sequence spread spectrum operation, comprising an analog-to-digital converter performing undersampling of the signal received, leading to an overlapping of the frequency range of the undersampled wanted signal by the frequency range of an interfering signal, demodulation means connected at the output of the analog-to-digital converter in order to bring the undersampled wanted signal back to baseband, a low pass filter connected at the output of the demodulation means and a filter matched to the spreading code used, and an additional filtering unit arranged between the low pass filter and the matched filter, for implementing a stochastic matched filtering operation to improve the signal-to-noise ratio at the input of the matched filter.Type: GrantFiled: May 4, 2006Date of Patent: February 2, 2010Assignees: STMicroelectronics (Rousset) SAS, Universite de Provence (AIX Marseille I)Inventors: Benoît Durand, Christophe Fraschini, Philippe Courmontagne, Anne Collard Bovy, Stephane Meillere
-
Publication number: 20100019885Abstract: A method of detection of the presence of a contactless communication element by a terminal emitting an electromagnetic field, in which an oscillating circuit of the terminal is excited at a frequency which is made variable between two values surrounding a nominal tuning frequency of the oscillating circuit; a signal representative of the load of the oscillating circuit being interpreted to detect that a reference voltage has not been exceeded, which indicates the presence of an element in the field. A presence-detection circuit and a corresponding terminal.Type: ApplicationFiled: July 23, 2009Publication date: January 28, 2010Applicant: STMicroelectronics (Rousset) SASInventors: Alexandre Charles, Jérôme Conraux, Alexandre Malherbe, Alexabdre Tramoni
-
Publication number: 20100017553Abstract: A method and a device for converting a first bus including at least a data wire and a clock wire into a single-wire bus, wherein a data bit of the first bus is converted on half a period of the clock signal for transmission over the second bus, a waiting pattern being placed on the second bus during the other half-period.Type: ApplicationFiled: July 14, 2009Publication date: January 21, 2010Applicants: Proton World International N.V., STMicroelectronics (Rousset) SASInventors: Christophe Laurencin, Jean-Louis Modave
-
Publication number: 20090315603Abstract: A method and a circuit for detecting a disturbance of a state of at least one first flip-flop from a group of several first flip-flops of an electronic circuit, wherein: the respective outputs of the first flip-flops in the group are, independently from their functional purpose, combined to provide a signal and its inverse, triggering two second flip-flops having data inputs forced to a same state, the respective outputs of the second flip-flops being combined to provide the result of the detection; and a pulse signal comprising a pulse at least for each triggering edge of one of the first flip-flops in the group initializes the second flip-flops.Type: ApplicationFiled: May 16, 2008Publication date: December 24, 2009Applicant: STMicroelectronics (Rousset) SASInventors: Frederic Bancel, David Hely, Nicolas Berard
-
Publication number: 20090285398Abstract: A method for verifying the integrity of a key implemented in a symmetrical ciphering or deciphering algorithm, including the steps of complementing to one at least the key; and verifying the coherence between two executions of the algorithm, respectively with the key and with the key complemented to one.Type: ApplicationFiled: May 14, 2009Publication date: November 19, 2009Applicant: STMicroelectronics (Rousset) SASInventors: Pierre-Yvan Liardet, Yannick Teglia
-
Publication number: 20090273452Abstract: A method for configuring a terminal capable of emitting a radio-frequency field for a transponder including, in the presence of a transponder within the range of the terminal, at least one step of adaptation of the series resistance of an oscillating circuit of the terminal, according to an off-load value, which depends on an operation of the terminal while no transponder is in its field.Type: ApplicationFiled: April 28, 2009Publication date: November 5, 2009Applicant: STMicroelectronics (Rousset) SASInventor: Luc Wuidart
-
Publication number: 20090267172Abstract: A method of manufacturing a micromodule including the steps of: producing an integrated circuit on an active face of a chip made of a semi-conductive material, making a via passing through the chip, electrically linked to the integrated circuit, and inserting the chip into a box comprising a cavity and an electrically conductive element, the active face of the chip being disposed towards the bottom of the cavity, forming on at least one part of a lateral face of the chip a conductive lateral layer made of an electrically conductive material, electrically linked to a conductive element of the rear face of the chip, and producing a connection between the conductive lateral layer and the conductive element by depositing an electrically conductive material in the cavity.Type: ApplicationFiled: October 20, 2008Publication date: October 29, 2009Applicants: STMicroelectronics Rousset SAS, STMicroelectronics R&D LimitedInventors: Brendan Dunne, Kevin Channon, Eric Christison, Robert Nicol
-
Publication number: 20090251168Abstract: An integrated circuit including a substrate of a semiconductor material having first and second opposite surfaces and including active areas leveling the first surface. The integrated circuit includes a device of protection against laser attacks, the protection device includes at least one first doped region extending between at least part of the active areas and the second surface, a device for biasing the first region, and a device for detecting an increase in the current provided by the biasing device.Type: ApplicationFiled: April 1, 2009Publication date: October 8, 2009Applicant: STMicroelectronics (Rousset) SASInventors: Mathieu Lisart, Vincent Pouget
-
Publication number: 20090251544Abstract: The present disclosure relates to a video surveillance method comprising steps of a video camera periodically capturing an image of a zone to be monitored, analyzing the image to detect a presence therein, and of the video camera transmitting the image only if a presence has been detected in the image.Type: ApplicationFiled: April 2, 2009Publication date: October 8, 2009Applicant: STMicroelectronics Rousset SASInventors: Lionel Martin, Tony Baudon
-
Publication number: 20090252068Abstract: A method of determining, by a first device capable of transmitting a two-state signal over a single-wire connection to a second device, the binary state of data transmitted by the second device over said connection, the state being determined according to the slope of a rising edge of the two-state signal.Type: ApplicationFiled: April 6, 2009Publication date: October 8, 2009Applicant: STMicroelectronics (Rousset) SASInventors: Alexandre Charles, Jerome Conraux, Alexandre Malherbe, Alexandre Tramoni
-
Publication number: 20090247079Abstract: A method and a device of transmission/reception by inductive coupling including circuitry for generating an AQ.C. signal intended to drive an oscillating circuit and circuitry intended to modulate the impedance of the oscillating circuit when data is to be transmitted, the oscillating circuit including an inductive element forming an antenna in parallel with a first capacitive element; and at least one second capacitive element in series with a switch, all in parallel with the first capacitive element and the antenna, the modulating circuitry being connected between the terminals of the antenna and the circuitry for generating the AQ.C. signal being connected to the junction point of the second capacitive element and of the switch.Type: ApplicationFiled: March 27, 2009Publication date: October 1, 2009Applicant: STMicroelectronics (Rousset) SASInventors: Alexandre Charles, Jerome Conraux, Alexandre Malherbe, Alexandre Tramoni
-
Patent number: 7580204Abstract: A method for manufacturing a lens of a polymer material, includes producing in the core of the lens or on the surface of the latter at least one opaque zone having an optical function, by locally degrading the molecular structure of the polymer material using a beam of laser light. Example application is provided in particular but not exclusively to CMOS imagers.Type: GrantFiled: June 18, 2007Date of Patent: August 25, 2009Assignee: STMicroelectronics Rousset SASInventor: Roberto Mionetto
-
Patent number: 7567633Abstract: A BPSK type reception device that includes a decoder for decoding a digital input signal, first and second comparators for delivering a decoded data signal and a data capture clock signal also includes a clock generator for generating a replacement clock signal, first and second latches controlled by the replacement clock signal to store the data taken, respectively, from the decoded data signal and from a signal that represents the sign of the signal at the output of the decoder, and a selection circuit for capturing, at each pulse edge of a clock signal that is offset with respect to the replacement clock signal, either the stored data originating in the sign signal in the case of loss of the previous data capture clock pulse edge at the output of the clock comparator, or the stored data originating in the data signal.Type: GrantFiled: April 28, 2006Date of Patent: July 28, 2009Assignees: STMicroelectronics (Rousset) SAS, Universite de Provence (Aix-Marseille I)Inventors: Benoit Durand, Christophe Fraschini