Patents by Inventor Cor Voorwinden
Cor Voorwinden 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).
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Patent number: 9047415Abstract: A method for media access control, the method includes generating at least one media access grant in response to at least one media access request. The method further includes monitoring a data line, while maintaining at least a clock line in a low power mode, to detect at least one media access request generated by at least one component connected to the data line and to the clock line; and forcing the at least clock line to exit the low power mode and starting a contention prevention period, when the media access controller or at least one component requests to access the data line. Also disclosed is a device for implementing the method of media access control.Type: GrantFiled: June 10, 2005Date of Patent: June 2, 2015Assignee: Freescale Semiconductor, Inc.Inventors: Michael Priel, Christopher Chun, Gordon P. Lee, Cor Voorwinden
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Patent number: 8994341Abstract: A battery charging circuit comprises: a first voltage regulator, wherein the first voltage regulator has a control input designed for reception of a signal generated by a current metering circuit; the current metering circuit; and a terminal for connecting a battery. An electronic device, in particular a mobile device, comprises a battery charging circuit as defined above.Type: GrantFiled: June 29, 2009Date of Patent: March 31, 2015Assignee: Freescale Semiconductor, Inc.Inventors: Cor Voorwinden, Alexandre Crisnaire
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Patent number: 8750533Abstract: A voltage supply circuitry is capable of coupling to wired audio headset circuitry and configurable to operate in a first mode, wherein the voltage supply circuitry provides a voltage supply to the wired audio headset functionality circuitry. The voltage supply circuitry is further capable of coupling to visual indication circuitry and further configurable to operate in a second mode, wherein the voltage supply circuitry provides a voltage supply to the visual indication circuitry.Type: GrantFiled: August 13, 2007Date of Patent: June 10, 2014Assignee: Freescale Semiconductor, Inc.Inventors: Ludovic Oddoart, Dennis Cashen, Cor Voorwinden
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Patent number: 8341443Abstract: A secure real time clock (RTC) system is provided, comprising a secure RTC, a frequency signal generator, and a frequency adjuster connected between the secure RTC and the frequency signal generator to receive a signal having a first frequency from the frequency signal generator. On receipt of a first control signal the frequency adjuster outputs the signal having the first frequency to the secure RTC, and on receipt of a second control signal the frequency adjuster adjusts the signal having the first frequency to generate a signal having a second frequency, the second frequency being lower than the first frequency, and outputs the signal having the second frequency to the secure RTC.Type: GrantFiled: May 11, 2007Date of Patent: December 25, 2012Assignee: Freescale Semiconductor, Inc.Inventors: Cor Voorwinden, Michael Priel
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Patent number: 8310436Abstract: A power supply controller for a plurality of lighting components in a battery-powered apparatus. The power supply controller comprises a current source common to the lighting components, and a sequencer for coupling the current source sequentially to each of the lighting components with a repetition rate substantially faster than the flicker perception rate. Each of the lighting components comprises a respective array of lighting elements connected in series to receive the same current as the other lighting elements of the same lighting component.Type: GrantFiled: April 27, 2007Date of Patent: November 13, 2012Assignee: Freescale Semiconductor, Inc.Inventors: Olivier Tico, Ludovic Oddoart, Cor Voorwinden
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Patent number: 8248743Abstract: A device that has failure recovery capabilities and a method for power recovery. The method includes: detecting a potential power failure in response to a decrement rate of a supply voltage, and applying at least one failure recovery measure in response to a detected potential power failure. The device includes: a power source, an energy reservoir, at least one component, and a power failure circuit, adapted to detect a potential power failure in response to a decrement rate of a supply voltage.Type: GrantFiled: February 16, 2005Date of Patent: August 21, 2012Assignee: Freescale Semiconductor, Inc.Inventors: Michael Priel, Dan Kuzmin, Cor Voorwinden
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Patent number: 8223910Abstract: A device and a method for frame synchronization, the method includes providing a high frequency clock signal over a clock line during a transmission of information over a data line connected to a media access controller and to at least one component; defining a short synchronization period; processing at least one signal conveyed over the data line during the short synchronization period to determine a presence of a synchronization error; and maintaining at least the clock line in a low power mode when the data line is substantially idle.Type: GrantFiled: June 10, 2005Date of Patent: July 17, 2012Assignee: Freescale Semiconductor, Inc.Inventors: Michael Priel, Christopher K. Y. Chun, Gordon P. Lee, Cor Voorwinden
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Publication number: 20120086407Abstract: A battery charging circuit comprises: a first voltage regulator, wherein the first voltage regulator has a control input designed for reception of a signal generated by a current metering circuit; the current metering circuit; and a terminal for connecting a battery. An electronic device, in particular a mobile device, comprises a battery charging circuit as defined above.Type: ApplicationFiled: June 29, 2009Publication date: April 12, 2012Inventors: Cor Voorwinden, Alexandre Crisnaire
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Patent number: 7903007Abstract: A method of converting a plurality of input signals on first and second converters, such that the first and second converters are both used when the plurality of signals comprises two signals, characterised in that said method comprises: selecting more than two input signals; determining the type of each selected signal; combining any signals having the same type to form a combined signal; converting one type of signal with the first converter; converting a second type of signal with the second converter wherein the first or second type signals is a combined signal.Type: GrantFiled: March 21, 2007Date of Patent: March 8, 2011Assignee: Freescale Semiconductor, Inc.Inventors: Berengere Le Men, Ludovic Oddoart, Cor Voorwinden
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Publication number: 20110051949Abstract: A voltage supply circuitry is capable of coupling to wired audio headset circuitry and configurable to operate in a first mode, wherein the voltage supply circuitry provides a voltage supply to the wired audio headset functionality circuitry. The voltage supply circuitry is further capable of coupling to visual indication circuitry and further configurable to operate in a second mode, wherein the voltage supply circuitry provides a voltage supply to the visual indication circuitry.Type: ApplicationFiled: August 13, 2007Publication date: March 3, 2011Applicant: Freescale Semiconductor, Inc.Inventors: Ludovic Oddoart, Dennis Cashen, Cor Voorwinden
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Publication number: 20100301907Abstract: A secure real time clock (RTC) system is provided, comprising a secure RTC, a frequency signal generator, and a frequency adjuster connected between the secure RTC and the frequency signal generator to receive a signal having a first frequency from the frequency signal generator. On receipt of a first control signal the frequency adjuster outputs the signal having the first frequency to the secure RTC, and on receipt of a second control signal the frequency adjuster adjusts the signal having the first frequency to generate a signal having a second frequency, the second frequency being lower than the first frequency, and outputs the signal having the second frequency to the secure RTC.Type: ApplicationFiled: May 11, 2007Publication date: December 2, 2010Applicant: Freescale Semiconductor, Inc.Inventors: Cor Voorwinden, Michael Priel
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Publication number: 20100117562Abstract: A power supply controller for a plurality of lighting components in a battery-powered apparatus. The power supply controller comprises a current source common to the lighting components, and a sequencer for coupling the current source sequentially to each of the lighting components with a repetition rate substantially faster than the flicker perception rate. Each of the lighting components comprises a respective array of lighting elements connected in series to receive the same current as the other lighting elements of the same lighting component.Type: ApplicationFiled: April 27, 2007Publication date: May 13, 2010Applicant: Freescale Semiconductor Inc.Inventors: Olivier Tico, Ludovic Oddoart, Cor Voorwinden
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Publication number: 20100013687Abstract: A method of converting a plurality of input signals on first and second converters, such that the first and second converters are both used when the plurality of signals comprises two signals, characterised in that said method comprises: selecting more than two input signals; determining the type of each selected signal; combining any signals having the same type to form a combined signal; converting one type of signal with the first converter; converting a second type of signal with the second converter wherein the first or second type signals is a combined signal.Type: ApplicationFiled: March 21, 2007Publication date: January 21, 2010Applicant: Freescale SemiconductorInventors: Berengere Le Men, Ludovic Oddoart, Cor Voorwinden
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Publication number: 20090175393Abstract: A method for frame synchronization, the method includes providing a high frequency clock signal over a clock line during a transmission of information over a data line connected to a media access controller and to at least one component; characterized by defining a short synchronization period; processing at least one signal conveyed over the data line during the short synchronization period to determine a presence of a synchronization error; and maintaining at least the clock line in a low power mode when the data line is substantially idle. A device having frame synchronization capabilities, the device includes a clock signal provider and at least one component connected to a data line. The clock signal provider is adapted to provide a high frequency clock signal over a clock line during a transmission of information over the data line.Type: ApplicationFiled: June 10, 2005Publication date: July 9, 2009Applicant: SANIT-GOBAIN GLASS FRANCEInventors: Michael Priel, Christopher Chun, Gordon P. Lee, Cor Voorwinden
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Publication number: 20090027819Abstract: A device that has failure recovery capabilities and a method for power recovery. The method includes: detecting a potential power failure in response to a decrement rate of a supply voltage, and applying at least one failure recovery measure in response to a detected potential power failure. The device includes: a power source, an energy reservoir, at least one component, and a power failure circuit, adapted to detect a potential power failure in response to a decrement rate of a supply voltage.Type: ApplicationFiled: February 16, 2005Publication date: January 29, 2009Applicant: Freescale Semiconductor, Inc.Inventors: Michael Priel, Dan Kuzmin, Cor Voorwinden
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Patent number: 7482781Abstract: Power supply apparatus, especially for the active circuits of a portable radio communication device. The power supply supplies a direct voltage to a load that is connected to a first terminal, is comprising a rechargeable battery for connection to a second terminal, and a voltage generator for recharging the battery and supplying power to the load. The power supply includes first control means for controlledly supplying current from the voltage generator to the first terminal so as to control supply of current from the voltage generator to the load and for preventing reverse flow of current from the first terminal to the voltage generator, and second control means for controlledly supplying current between the first and second terminals so as to control supply of current from the voltage generator through the first control means to the battery and from the battery to the load.Type: GrantFiled: September 29, 2004Date of Patent: January 27, 2009Assignee: Freescale Semiconductor, Inc.Inventor: Cor Voorwinden
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Publication number: 20080313479Abstract: A method for media access control, the method includes generating at least one media access grant in response to at least one media access request. The method is characterized by monitoring a data line, while maintaining at least a clock line in a low power mode, to detect at least one media access request generated by at least one component connected to the data line and to the clock line; and forcing the at least clock line to exit the low power mode and starting a contention prevention period, when the media access controller or at least one component requests to access the data line. A device including multiple components that are connected to a data line, and adapted to transmit information over the data line at a transmission rate responsive to a first clock rate.Type: ApplicationFiled: June 10, 2005Publication date: December 18, 2008Applicant: FREESCALE SEMICONDUCTOR, INC.Inventors: Michael Priel, Christopher Chun, Gordon P. Lee, Cor Voorwinden
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Publication number: 20070092090Abstract: Apparatus for detecting a module comprising a detector arranged to use an alternating out of band signal to detect if a module is coupled to the apparatus.Type: ApplicationFiled: March 31, 2004Publication date: April 26, 2007Inventors: Ludovic Oddodart, Gerhard Trauth, Cor Voorwinden
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Publication number: 20070063674Abstract: Power supply apparatus, especially for the active circuits of a portable radio communication device. The power supply supplies a direct voltage to a load that is connected to a first terminal, is comprising a rechargeable battery for connection to a second terminal, and a voltage generator for recharging the battery and supplying power to the load. The power supply includes first control means for controlledly supplying current from the voltage generator to the first terminal so as to control supply of current from the voltage generator to the load and for preventing reverse flow of current from the first terminal to the voltage generator, and second control means for controlledly supplying current between the first and second terminals so as to control supply of current from the voltage generator through the first control means to the battery and from the battery to the load.Type: ApplicationFiled: September 29, 2004Publication date: March 22, 2007Inventor: Cor Voorwinden
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Patent number: 7046977Abstract: A terminal includes at least one wireless communication application module (1) and a plurality of further application modules (4, 5, 6, 8). Multiple radio frequency clock signals are generated for the different modules having respective clock frequency characteristics and including at least first and second clock frequencies that are not integral multiples nor sub-multiples of each other nor of a third frequency. The clock generation comprises reference frequency means (14), fractional-N phase-locked loop frequency synthesizer means (15) responsive to the reference frequency means, and different automatic frequency control means for adjusting clock frequencies relative to received signals. The reference frequency means (14) is arranged to supply a common reference frequency signal to a plurality of the fractional-N phase-locked loop frequency synthesizer means (17, 18, 19, 25, 26, 41,42) that supply the first and second clock frequencies respectively for the application modules.Type: GrantFiled: November 4, 2002Date of Patent: May 16, 2006Assignee: Freescale Semiconductor, Inc.Inventors: Nadim Khlat, Cor Voorwinden