Patents Assigned to STMicroelectronics
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Publication number: 20130119282Abstract: An optical detection sensor and method of forming same. The optical detection sensor be a proximity detection sensor that includes an optical system and a selectively transmissive structure. Electromagnetic radiation such as laser light can be emitted through a transmissive portion of the selectively transmissive structure. A reflected beam can be detected to determine the presence of an object.Type: ApplicationFiled: November 7, 2012Publication date: May 16, 2013Applicant: STMicroelectronics Pte Ltd.Inventor: STMicroelectronics Pte Ltd.
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Publication number: 20130120049Abstract: A power switch includes first and second MOS transistors in series between first and second nodes. Both the first and second transistors have a gate coupled to its substrate. First and second resistive elements are coupled between the gate of the first transistor and the first node, and between the gate of the second transistor and the second node, respectively. A triac is coupled between the first and second nodes. The gate of the triac is coupled to a third node common to the first and second transistors. A third MOS transistor has a first conduction electrode coupled to the gate of the first transistor and a second conduction electrode coupled to the gate of the second transistor.Type: ApplicationFiled: November 1, 2012Publication date: May 16, 2013Applicant: STMICROELECTRONICS SAInventor: STMicroelectronics SA
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Publication number: 20130120650Abstract: A video decoder includes an adaptive comber to generate a combed video image, and the adaptive comber selectively combs using 2D combing, frame combing, and field combing.Type: ApplicationFiled: November 15, 2011Publication date: May 16, 2013Applicant: STMicroelectronics Pvt Ltd.Inventor: Ravi ANANTHAPURBACCHE
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Publication number: 20130120008Abstract: 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.Type: ApplicationFiled: January 8, 2013Publication date: May 16, 2013Applicant: STMICROELECTRONICS S.R.L.Inventor: STMICROELECTRONICS S.R.L.
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Publication number: 20130121424Abstract: Digital noise removal methods and systems for picture quality improvement on next generation high quality set-top-box and digital TV SOCs is disclosed with particular to a de-blocking method and system that is effective on on-grid and off-grid blocky artifacts generated by lossy video compression standards. Blocky artifacts are filtered by extracting motions vectors for a current pixel block, calculating off-grid positions based on the extracted motion vectors, and applying de-blocking filtering along the calculated off-grid positions. The methods and systems can further skip filtering on-grid blocky artifacts to be filtered by an on-grid de-blocking filter known in the art.Type: ApplicationFiled: November 10, 2011Publication date: May 16, 2013Applicant: STMicroelectronics Asia Pacific Pte Ltd.Inventors: Xiaoyun DENG, Patricia Wei Yin CHIANG, Lucas HUI
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Patent number: 8440849Abstract: The present disclosure relates to the use of a nitroaniline derivative of Formula (I) for the production of nitric oxide and for the preparation of a medicament for the treatment of a disease wherein the administration of nitric oxide is beneficial. The present disclosure furthermore relates to a method for the production of NO irradiating a nitroaniline derivative of Formula (I), a kit comprising a nitroaniline derivative of Formula (I) and a carrier and to a system comprising a source of radiations and a container associated to a nitroaniline derivative of Formula (I). In Formula (I), R and RI are each independently hydrogen or a C1-C3 alkyl group; RII is hydrogen or an alkyl group.Type: GrantFiled: January 26, 2009Date of Patent: May 14, 2013Assignee: STMicroelectronics S.r.l.Inventors: Sabrina Conoci, Salvatore Petralia, Salvatore Sortino
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Patent number: 8442122Abstract: A method of encoding scalable video data streams and an encoder configured to generate an encoded scalable video data stream is provided. The encoder includes a mode controller configured to store a plurality of encoding modes, select a sub-set of the plurality of encoding modes and select a first encoding mode. The encoder generates the encoded scalable video data stream dependent on the first encoding mode.Type: GrantFiled: October 4, 2007Date of Patent: May 14, 2013Assignee: STMicroelectronics NVInventors: Damien Lefol, David Bull, Nishan Canagarajah
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Patent number: 8441712Abstract: A display system for a portable device is switchable by electrical addressing. The display system can absorb ambient light and reflect at least a portion of the absorbed light to render an image on a surface of the display. The display includes a plurality of pixel electrodes. Each of the plurality of pixel electrodes includes linkers with acceptor molecules and donor molecules that form groups having respective color properties. In an off-state, a respective pixel is configured to reflect white light. In an on-state, a respective pixel is configured to reflect light according to the molecular grouping of the acceptor-donor group.Type: GrantFiled: October 15, 2010Date of Patent: May 14, 2013Assignee: STMicroelectronics, Inc.Inventor: Michele Palmieri
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Patent number: 8441092Abstract: A semiconductor thermoelectric cooler is configured to direct heat through channels of the cooler. The thermoelectric cooler has multiple electrodes and a first dielectric material positioned between side surfaces of the electrodes. A second dielectric material, different from the first dielectric material, is in contact with top surfaces of the electrodes. The first dielectric material extends above the top surface of the electrodes, separating portions of the second dielectric material, and is in contact with a portion of the top surfaces of the electrodes. The first dielectric material has a thermal conductivity different than a thermal conductivity of the second dielectric material. A ratio of the first dielectric material to the second dielectric material in contact with the top surface of the electrodes may be selected to control the heat retention. The semiconductor thermoelectric cooler may be manufactured using thin film technology.Type: GrantFiled: December 6, 2010Date of Patent: May 14, 2013Assignee: STMicroelectronics Pte. Ltd.Inventors: Ravi Shankar, Olivier Le Neel
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Patent number: 8442100Abstract: A transmission and reception apparatus includes a transmitter, a receiver and a galvanically isolated interface arranged between the transmitter and the receiver. The transmitter, receiver and interface are arranged so as to form a two-level isolated digital channel and the transmitter includes a block adapted to send a clock signal to the receiver. The receiver includes a circuit adapted to synchronize the receiver and the transmitter using the received clock signal and a circuit adapted to memorize information related to the synchronization in a storage element to hold the synchronization while the receiver is receiving the digital data. The transmitter block is adapted to send the digital data signal after the synchronization of the receiver and transmitter.Type: GrantFiled: June 29, 2010Date of Patent: May 14, 2013Assignee: STMicroelectronics S.r.l.Inventors: Salvatore Giombanco, Giovanni Lombardo, Salvatore Tumminaro, Filippo Marino
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Patent number: 8441244Abstract: A control system for a switching DC-DC converter is proposed. The converter includes an input terminal for receiving an input voltage from a source, a control terminal adapted to receive a switching control signal, and an output terminal for providing to a load an output voltage generated from the input voltage according to the control signal. The control system includes detecting means for detecting a reaching condition of a predetermined value by a current provided to the load by the converter and control means for controlling the control signal according to the output voltage. The control system further includes disabling means for disabling the supply of the control signal to the control terminal according to the detection of the reaching condition. The disabling means includes selection means for controlling the disabling according to a time relationship between the detection of the reaching condition and the control signal.Type: GrantFiled: September 15, 2009Date of Patent: May 14, 2013Assignee: STMicroelectronics S.r.l.Inventors: Alberto Bianco, Andrea Cappelletti, Stefano Saggini
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Patent number: 8442339Abstract: A method for selecting images from a set of images (according to sharpness and contrast criteria), comprising pre-selecting images by a simplified sharpness and/or contrast analysis of each image in the set of images, and of selecting images by a finer analysis of the sharpness and/or contrast of each pre-selected image. This method is particularly useful to perform an identification by recognition of the iris.Type: GrantFiled: September 18, 2007Date of Patent: May 14, 2013Assignees: STMicroelectronics S.A., Universite Paul Cezanne Aix-Marseille IIIInventors: Lionel Martin, William Ketchantang, Stéphane Derrode
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Patent number: 8441874Abstract: A memory circuit includes a memory cell configured to be re-writable. A write enable circuit is configured to enable writing a signal via a pair of bit lines to the memory cell depending on a write signal. A charge supply circuit is configured to supply a charge to at least one of the pair of bit lines. A charge supply controller is configured to control the charge supply circuit to disable the supply of charge and couple the write enable circuit to at least one of the pair of bit lines after a first determined period following the reception of the write signal.Type: GrantFiled: December 28, 2010Date of Patent: May 14, 2013Assignee: STMicroelectronics International N.V.Inventors: Rakesh Kumar Sinha, Dhori Kedar Janardan, Sachin Gulyani
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Patent number: 8440470Abstract: The disclosure relates to a fabrication process of a biosensor on a semiconductor wafer, comprising steps of: making a central photosensitive zone comprising at least one pixel-type biological analysis device comprising a photosensitive layer, and a first peripheral zone surrounding the central photosensitive zone, comprising electronic circuits. The first peripheral zone is covered by a hydrophilic coating, and the central photosensitive zone is covered with a hydrophobic coating. A barrier of a bio-compatible resin is formed on the second peripheral zone.Type: GrantFiled: December 16, 2010Date of Patent: May 14, 2013Assignees: STMicroelectronics (R&D) Limited, Universite Paul Cezanne Aix Marseille IIIInventors: Jeffrey M. Raynor, Michaël Maurin, Mitchel O'Neal Perley, Pierre-Francois Lenne, Herve Rigneault, Renaud Vincentelli
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Patent number: 8441382Abstract: A current-steering digital-to-analog converter may include a plurality of current cells. Each current cell may comprise a dual bias switched cascode output current source/sink, a bias source, complementary bias switching elements coupled between the bias source and the bias inputs of the switched cascode output current source/sink, and complementary switching signals coupled to the control inputs of the complementary bias switching element.Type: GrantFiled: March 14, 2011Date of Patent: May 14, 2013Assignee: STMicroelectronics Pvt. Ltd.Inventors: Puneet Mahajan, Anand Singh Rawat, Anil Kumar
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Patent number: 8441272Abstract: A MEMS probe adapted to contact a corresponding terminal of an integrated circuit, integrated on at least one chip of a semiconductor material wafer during a test phase of the wafer is provided. The probe includes a support structure comprising a first access terminal and a second access terminal; the support structure defines a conductive path between said first access terminal and said second access terminal. The probes further-includes a probe region connected to the support structure adapted to contact the corresponding terminal of the integrated circuit during the test phase for providing at least one test signal received from the first access terminal and the second access terminal to the integrated circuit through at least one portion of the conductive path, and/or providing at least one test signal generated by the integrated circuit to at least one between the first access terminal and the second access terminal trough at least one portion of the conductive path.Type: GrantFiled: December 29, 2009Date of Patent: May 14, 2013Assignee: STMicroelectronics S.r.l.Inventor: Alberto Pagani
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Patent number: 8441865Abstract: An electrically programmable non-volatile memory device being integrated on a chip of semiconductor material is proposed.Type: GrantFiled: June 9, 2011Date of Patent: May 14, 2013Assignee: STMicroelectronics S.r.l.Inventors: Maurizio Francesco Perroni, Giuseppe Castagna
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Patent number: 8441863Abstract: An electrically programmable non-volatile memory device includes a plurality of memory cells, a plurality of lines for selectively biasing the memory cells, reconnection circuitry for reconnecting a pair of selected lines having different voltages, and a controller for controlling the memory device. The reconnection means includes a discharge circuit for discharging one of the selected lines being at the higher voltage in absolute value, an equalization circuit for equalizing the selected lines, a comparator circuit for measuring an indication of a voltage difference between the selected lines, and an evaluation circuit responsive to an enabling signal from the controller for activating the discharge circuit until an absolute value of the voltage difference exceeds a threshold value and for disabling the discharge circuit and enabling the equalization circuit when the absolute value of the voltage difference reaches the threshold value.Type: GrantFiled: June 9, 2011Date of Patent: May 14, 2013Assignee: STMicroelectronics S.r.l.Inventors: Maurizio Francesco Perroni, Giuseppe Castagna
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Publication number: 20130114340Abstract: A method for managing a non-volatile memory may include a first phase of writing data to a first bank of a memory plane of the non-volatile memory, and then a second phase of writing the same data to a second bank of the same memory plane of the non-volatile memory in the case of success of the first writing phase.Type: ApplicationFiled: November 5, 2012Publication date: May 9, 2013Applicant: STMICROELECTRONICS (ROUSSET) SASInventor: STMICROELECTRONICS (ROUSSET) SAS
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Publication number: 20130114360Abstract: 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.Type: ApplicationFiled: November 5, 2012Publication date: May 9, 2013Applicant: STMICROELECTRONICS S.R.L.Inventor: STMICROELECTRONICS S.R.L.