Patents by Inventor Maher Kayal

Maher Kayal has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9774467
    Abstract: In a first aspect the invention provides a system that comprising a plurality of electronic modules, each one of the electronic modules configured for enabling automation of an electrical appliance to be connected to the electronic module. Each electronic module comprises at least a communication sub-part configured to enable communication over a power-line network with other modules, at least an acting means configured to act on an electrical voltage to be applied to the electrical appliance, at least a measurement means configured to measure a power consumption to be consumed by the electrical appliance, and an embedded intelligence means configured to process signals providing from or going to the at least one communication sub-part, the at least one acting means and the at least one measurement means.
    Type: Grant
    Filed: July 25, 2013
    Date of Patent: September 26, 2017
    Assignee: ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)
    Inventors: Laurent Fabre, Maher Kayal, Fabrizio Lo Conte, Thierry Barras
  • Patent number: 9404991
    Abstract: Magnetic field sensor including a magnetic field sensing circuit (2) comprising a reference magnetic field generator (8) and a magnetic field sensing cell (6), and a signal processing circuit (4) connected to the output of the magnetic field sensing cell and comprising a demodulator circuit and a gain correction feedback circuit (30, 28, 47) for correcting error fluctuations in the transfer characteristic of the magnetic field sensor. The sensor further comprises a reference current generator (3) configured to generate a reference current I ref, the reference current generator connected to the magnetic field sensing circuit (2) configured for generating the reference magnetic field B ref and to the gain correction feedback circuit configured for providing a reference signal (yref) to which an output signal of the demodulator circuit may be compared.
    Type: Grant
    Filed: June 27, 2011
    Date of Patent: August 2, 2016
    Assignee: LEM Intellectual Property SA
    Inventors: Giovanni Maria Anelli, Marc Pastre, Andrea Ajbl, Maher Kayal
  • Publication number: 20160164695
    Abstract: In a first aspect the invention provides a system that comprising a plurality of electronic modules, each one of the electronic modules configured for enabling automation of an electrical appliance to be connected to the electronic module. Each electronic module comprises at least a communication sub-part configured to enable communication over a power-line network with other modules, at least an acting means configured to act on an electrical voltage to be applied to the electrical appliance, at least a measurement means configured to measure a power consumption to be consumed by the electrical appliance, and an embedded intel ligence means configured to process signals providing from or going to the at least one communication sub-part, the at least one acting means and the at least one measurement means.
    Type: Application
    Filed: July 25, 2013
    Publication date: June 9, 2016
    Inventors: Laurent Fabre, Maher Kayal, Fabrizio Lo Conte, Thierry Barras
  • Patent number: 9203414
    Abstract: A device comprising, a mirror which is configured to oscillate in response to an oscillation signal, wherein the device is configured such that oscillation of the mirror will induce a signal; and a circuit in operable cooperation with the mirror such that an induced signal can be measured by the circuit and wherein the circuit is configured to provide an oscillation signal proportional to the measured induced signal; wherein the device is configured such that the mirror can receive the oscillation signal so that the oscillation signal is filtered due to oscillation limitations of mirror, to provide a filtered signal.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: December 1, 2015
    Assignee: INTEL CORPORATION
    Inventors: Eric Chevallaz, Marc Pastre, Francois Krummenacher, Maher Kayal
  • Publication number: 20140225677
    Abstract: A device comprising, a mirror which is configured to oscillate in response to an oscillation signal, wherein the device is configured such that oscillation of the mirror will induce a signal; and a circuit in operable cooperation with the mirror such that an induced signal can be measured by the circuit and wherein the circuit is configured to provide an oscillation signal proportional to the measured induced signal; wherein the device is configured such that the mirror can receive the oscillation signal so that the oscillation signal is filtered due to oscillation limitations of mirror, to provide a filtered signal.
    Type: Application
    Filed: September 30, 2011
    Publication date: August 14, 2014
    Inventors: Eric Chevallaz, Marc Pastre, Francois Krummenacher, Maher Kayal
  • Publication number: 20130093412
    Abstract: Magnetic field sensor including a magnetic field sensing circuit (2) comprising a reference magnetic field generator (8) and a magnetic field sensing cell (6), and a signal processing circuit (4) connected to the output of the magnetic field sensing cell and comprising a demodulator circuit and a gain correction feedback circuit (30, 28, 47) for correcting error fluctuations in the transfer characteristic of the magnetic field sensor. The sensor further comprises a reference current generator (3) configured to generate a reference current I ref, the reference current generator connected to the magnetic field sensing circuit (2) configured for generating the reference magnetic field B ref and to the gain correction feedback circuit configured for providing a reference signal (yref) to which an output signal of the demodulator circuit may be compared.
    Type: Application
    Filed: June 27, 2011
    Publication date: April 18, 2013
    Applicant: LEM INTELLECTUAL PROPERTY SA
    Inventors: Giovanni Maria Anelli, Marc Pastre, Andrea Ajbl, Maher Kayal
  • Patent number: 7969339
    Abstract: An integrated circuit comprises a delta-sigma modulator incorporating a delta-sigma modulation loop having an analog-to-digital converter in a forward path and a digital-to-analog converter in a feedback path such that the ADC is arranged to receive samples of an analog input signal. The ADC is operably coupled to auto-ranging logic arranged to shift a digital output signal from the ADC representative of the analog input signal to counteract an effect of an input variation of the analog input signal. In this manner, the application of auto-ranging logic with a self-recovery technique supports a reduction of the number of comparators required in a multi-bit delta-sigma ADC.
    Type: Grant
    Filed: March 23, 2006
    Date of Patent: June 28, 2011
    Assignee: Freescale Semiconductor, Inc.
    Inventors: Patrick Clement, Maher Kayal, Sergio Pesenti
  • Publication number: 20100332211
    Abstract: An apparatus is provided for emulation of a power system. The apparatus includes a plurality of programmable elements which are selectively connectable to one another. Each programmable element includes at least two elements selected from the group consisting of a generator element, a line element and a load element. A programmable switch element is operable to selectively connect the at least two elements of each programmable element to one another, and to selectively connect the programmable element to one or more other programmable elements. A system, which incorporates the apparatus, is also provided for emulating a power system incorporating such apparatus.
    Type: Application
    Filed: June 28, 2010
    Publication date: December 30, 2010
    Applicant: ABB RESEARCH LTD.
    Inventors: Alexandre OUDALOV, Yannick MARET, Ira NAGEL, Laurent FABRE, Maher KAYAL, Rachid CHERKOUI
  • Publication number: 20100164773
    Abstract: An integrated circuit comprises a delta-sigma modulator incorporating a delta-sigma modulation loop having an analog-to-digital converter in a forward path and a digital-to-analog converter in a feedback path such that the ADC is arranged to receive samples of an analog input signal. The ADC is operably coupled to auto-ranging logic arranged to shift a digital output signal from the ADC representative of the analog input signal to counteract an effect of an input variation of the analog input signal. In this manner, the application of auto-ranging logic with a self-recovery technique supports a reduction of the number of comparators required in a multi-bit delta-sigma ADC.
    Type: Application
    Filed: March 23, 2006
    Publication date: July 1, 2010
    Applicant: Freescale Semiconductor, Inc.
    Inventors: Patrick Clement, Maher Kayal, Sergio Pesenti
  • Publication number: 20100164645
    Abstract: The tunable impedance circuit comprises capacitors C1 and C2, an inductor L1, and an inductor L2 magnetically coupled with the inductor L1. The control current Icontrol with variable phase and amplitude from the control circuit 13 flows in the inductor L2. The impedance of the inductor L1 is changed by changing the phase and amplitude of the control current Icontrol. The output impedance is set to an optimum level by setting an effective inductance and an effective quality factor of the tunable impedance circuit 12a to be optimum by means of the phase and amplitude of the control current Icontrol relative to output current IRF of RF PA 11.
    Type: Application
    Filed: September 14, 2007
    Publication date: July 1, 2010
    Applicant: FUJITSU LIMITED
    Inventors: Kazuhiko Kobayashi, Yuu Watanabe, Paulo Augusto Dal Fabbro, Maher Kayal
  • Patent number: 7746065
    Abstract: A magnetic field sensor comprises a reference magnetic field generator (8), a magnetic field sensing cell (6) including Hall effect sensing elements (12), and a signal processing circuit (4) connected to the output (11) of the magnetic field sensing cell and comprising one or more feedback lines (27, 28) for correcting error fluctuations in the transfer characteristic of the magnetic field sensor. The reference magnetic field generator is adapted to generate a frequency modulated reference magnetic field. The signal processing circuit further includes a modulator connected to the magnetic field sensing cell, adapted to modulate the output signal thereof at a frequency different from the modulation frequency of the reference magnetic field generator.
    Type: Grant
    Filed: September 14, 2005
    Date of Patent: June 29, 2010
    Assignee: Liaisons Electroniques-Mecaniques LEM S.A.
    Inventors: Marc Pastre, Hubert Blanchard, Maher Kayal
  • Publication number: 20090072279
    Abstract: The present invention exploits the impact ionization induced by drain voltage increase and the onset of a bipolar parasitic in an ?-gate field effect metal oxide insulator transistor (called PI-MOS), in order to obtain a memory effect and abrupt current switching.
    Type: Application
    Filed: August 29, 2008
    Publication date: March 19, 2009
    Applicant: ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)
    Inventors: Kirsten Moselund, Mihai Adrian Ionescu, Vincent Pott, Maher Kayal
  • Publication number: 20070247141
    Abstract: A magnetic field sensor comprises a reference magnetic field generator (8), a magnetic field sensing cell (6) including Hall effect sensing elements (12), and a signal processing circuit (4) connected to the output (11) of the magnetic field sensing cell and comprising one or more feedback lines (27, 28) for correcting error fluctuations in the transfer characteristic of the magnetic field sensor. The reference magnetic field generator is adapted to generate a frequency modulated reference magnetic field. The signal processing circuit further includes a modulator connected to the magnetic field sensing cell, adapted to modulate the output signal thereof at a frequency different from the modulation frequency of the reference magnetic field generator.
    Type: Application
    Filed: September 14, 2005
    Publication date: October 25, 2007
    Applicant: Liaisons Electroniques-Mecaniques LEM S.A.
    Inventors: Marc Pastre, Hubert Blanchard, Maher Kayal
  • Patent number: 7091785
    Abstract: An electronic amplifier circuit comprising an operational amplifier circuit, such as a two-stage operational amplifier circuit, in tandem with a operational transconductance amplifier. The electronic amplifier circuit has high open-loop gain and high gain-bandwidth while maintaining stability over a wide range of operating parameters.
    Type: Grant
    Filed: May 28, 2004
    Date of Patent: August 15, 2006
    Assignee: Microchip Technology Inc.
    Inventors: Philippe Deval, Maher Kayal, Fabien Vaucher
  • Patent number: 6980461
    Abstract: There are many inventions described and illustrated herein. In a first aspect, the present invention is a technique and circuitry for reading data that is stored in memory cells. In one embodiment of this aspect, the present invention is a technique and circuitry for generating a reference current that is used, in conjunction with a sense amplifier, to read data that is stored in memory cells of a DRAM device. The technique and circuitry for generating a reference current may be implemented using an analog configuration, a digital configuration, and/or combinations of analog and digital configurations.
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: December 27, 2005
    Assignee: Innovative Silicon S.A.
    Inventors: Lionel Portmann, Maher Kayal, Marc Pastre, Marija Blagojevic, Michel Declercq
  • Publication number: 20050162931
    Abstract: There are many inventions described and illustrated herein. In a first aspect, the present invention is a technique and circuitry for reading data that is stored in memory cells. In one embodiment of this aspect, the present invention is a technique and circuitry for generating a reference current that is used, in conjunction with a sense amplifier, to read data that is stored in memory cells of a DRAM device. The technique and circuitry for generating a reference current may be implemented using an analog configuration, a digital configuration, and/or combinations of analog and digital configurations.
    Type: Application
    Filed: February 18, 2005
    Publication date: July 28, 2005
    Inventors: Lionel Portmann, Maher Kayal, Marc Pastre, Marija Blagojevic, Michel Declercq
  • Patent number: 6912150
    Abstract: There are many inventions described and illustrated herein. In a first aspect, the present invention is a technique and circuitry for reading data that is stored in memory cells. In one embodiment of this aspect, the present invention is a technique and circuitry for generating a reference current that is used, in conjunction with a sense amplifier, to read data that is stored in memory cells of a DRAM device. The technique and circuitry for generating a reference current may be implemented using an analog configuration, a digital configuration, and/or combinations of analog and digital configurations.
    Type: Grant
    Filed: May 7, 2004
    Date of Patent: June 28, 2005
    Inventors: Lionel Portman, Maher Kayal, Marc Pastre, Marija Blagojevic, Michel Declercq
  • Publication number: 20040246052
    Abstract: An electronic amplifier circuit comprising an operational amplifier circuit, such as a two-stage operational amplifier circuit, in tandem with a operational transconductance amplifier. The electronic amplifier circuit has high open-loop gain and high gain-bandwidth while maintaining stability over a wide range of operating parameters.
    Type: Application
    Filed: May 28, 2004
    Publication date: December 9, 2004
    Applicant: Microchip Technology Incorporated
    Inventors: Philippe Deval, Maher Kayal, Fabien Vaucher
  • Publication number: 20040227166
    Abstract: There are many inventions described and illustrated herein. In a first aspect, the present invention is a technique and circuitry for reading data that is stored in memory cells. In one embodiment of this aspect, the present invention is a technique and circuitry for generating a reference current that is used, in conjunction with a sense amplifier, to read data that is stored in memory cells of a DRAM device. The technique and circuitry for generating a reference current may be implemented using an analog configuration, a digital configuration, and/or combinations of analog and digital configurations.
    Type: Application
    Filed: May 7, 2004
    Publication date: November 18, 2004
    Inventors: Lionel Portmann, Maher Kayal, Marc Pastre, Marija Blagojevic, Michel Declercq