Patents by Inventor Richard Stacy Withers
Richard Stacy Withers 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: 11875002Abstract: Methods, systems, and devices for detection of a protective cover film on a capacitive touch screen are described. A device may include a capacitive touch screen having a surface and a sensor grid underneath the surface having a set of conductive columns and a set of conductive rows. The device may measure a mutual capacitance between a subset of conductive columns or a subset of conductive rows associated with a sensor grid, and compare the measured mutual capacitance between the subset of conductive columns or the subset of conductive rows to a baseline mutual capacitance associated with the set of conductive columns and the set of conductive rows. According to the comparison, the device may determine a presence of a protective layer in contact with the surface of the capacitive touch screen, and adjust an operating characteristic of the sensor grid.Type: GrantFiled: December 1, 2022Date of Patent: January 16, 2024Assignee: QUALCOMM IncorporatedInventors: Richard Stacy Withers, David Johnson, Hrishikesh Panchawagh
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Publication number: 20230097016Abstract: Methods, systems, and devices for detection of a protective cover film on a capacitive touch screen are described. A device may include a capacitive touch screen having a surface and a sensor grid underneath the surface having a set of conductive columns and a set of conductive rows. The device may measure a mutual capacitance between a subset of conductive columns or a subset of conductive rows associated with a sensor grid, and compare the measured mutual capacitance between the subset of conductive columns or the subset of conductive rows to a baseline mutual capacitance associated with the set of conductive columns and the set of conductive rows. According to the comparison, the device may determine a presence of a protective layer in contact with the surface of the capacitive touch screen, and adjust an operating characteristic of the sensor grid.Type: ApplicationFiled: December 1, 2022Publication date: March 30, 2023Inventors: Richard Stacy Withers, David Johnson, Hrishikesh Panchawagh
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Patent number: 11537245Abstract: Methods, systems, and devices for detection of a protective cover film on a capacitive touch screen are described. A device may include a capacitive touch screen having a surface and a sensor grid underneath the surface having a set of conductive columns and a set of conductive rows. The device may measure a mutual capacitance between a subset of conductive columns or a subset of conductive rows associated with a sensor grid, and compare the measured mutual capacitance between the subset of conductive columns or the subset of conductive rows to a baseline mutual capacitance associated with the set of conductive columns and the set of conductive rows. According to the comparison, the device may determine a presence of a protective layer in contact with the surface of the capacitive touch screen, and adjust an operating characteristic of the sensor grid.Type: GrantFiled: March 31, 2022Date of Patent: December 27, 2022Assignee: QUALCOMM IncorporatedInventors: Richard Stacy Withers, David Johnson, Hrishikesh Panchawagh
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Publication number: 20220229504Abstract: Methods, systems, and devices for detection of a protective cover film on a capacitive touch screen are described. A device may include a capacitive touch screen having a surface and a sensor grid underneath the surface having a set of conductive columns and a set of conductive rows. The device may measure a mutual capacitance between a subset of conductive columns or a subset of conductive rows associated with a sensor grid, and compare the measured mutual capacitance between the subset of conductive columns or the subset of conductive rows to a baseline mutual capacitance associated with the set of conductive columns and the set of conductive rows. According to the comparison, the device may determine a presence of a protective layer in contact with the surface of the capacitive touch screen, and adjust an operating characteristic of the sensor grid.Type: ApplicationFiled: March 31, 2022Publication date: July 21, 2022Inventors: Richard Stacy Withers, David Johnson, Hrishikesh Panchawagh
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Patent number: 11294516Abstract: Methods, systems, and devices for detection of a protective cover film on a capacitive touch screen are described. A device may include a capacitive touch screen having a surface and a sensor grid underneath the surface having a set of conductive columns and a set of conductive rows. The device may measure a mutual capacitance between a subset of conductive columns or a subset of conductive rows associated with a sensor grid, and compare the measured mutual capacitance between the subset of conductive columns or the subset of conductive rows to a baseline mutual capacitance associated with the set of conductive columns and the set of conductive rows. According to the comparison, the device may determine a presence of a protective layer in contact with the surface of the capacitive touch screen, and adjust an operating characteristic of the sensor grid.Type: GrantFiled: March 16, 2021Date of Patent: April 5, 2022Assignee: QUALCOMM IncorporatedInventors: Richard Stacy Withers, David Johnson, Hrishikesh Panchawagh
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Publication number: 20210200350Abstract: Methods, systems, and devices for detection of a protective cover film on a capacitive touch screen are described. A device may include a capacitive touch screen having a surface and a sensor grid underneath the surface having a set of conductive columns and a set of conductive rows. The device may measure a mutual capacitance between a subset of conductive columns or a subset of conductive rows associated with a sensor grid, and compare the measured mutual capacitance between the subset of conductive columns or the subset of conductive rows to a baseline mutual capacitance associated with the set of conductive columns and the set of conductive rows. According to the comparison, the device may determine a presence of a protective layer in contact with the surface of the capacitive touch screen, and adjust an operating characteristic of the sensor grid.Type: ApplicationFiled: March 16, 2021Publication date: July 1, 2021Inventors: Richard Stacy Withers, David Johnson, Hrishikesh Vijaykumar Panchawagh
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Patent number: 10969913Abstract: Methods, systems, and devices for detection of a protective cover film on a capacitive touch screen are described. A device may include a capacitive touch screen having a surface and a sensor grid underneath the surface having a set of conductive columns and a set of conductive rows. The device may measure a mutual capacitance between a subset of conductive columns or a subset of conductive rows associated with a sensor grid, and compare the measured mutual capacitance between the subset of conductive columns or the subset of conductive rows to a baseline mutual capacitance associated with the set of conductive columns and the set of conductive rows. According to the comparison, the device may determine a presence of a protective layer in contact with the surface of the capacitive touch screen, and adjust an operating characteristic of the sensor grid.Type: GrantFiled: June 11, 2020Date of Patent: April 6, 2021Assignee: QUALCOMM IncorporatedInventors: Richard Stacy Withers, David Johnson, Hrishikesh Panchawagh
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Publication number: 20200341568Abstract: Methods, systems, and devices for detection of a protective cover film on a capacitive touch screen are described. A device may include a capacitive touch screen having a surface and a sensor grid underneath the surface having a set of conductive columns and a set of conductive rows. The device may measure a mutual capacitance between a subset of conductive columns or a subset of conductive rows associated with a sensor grid, and compare the measured mutual capacitance between the subset of conductive columns or the subset of conductive rows to a baseline mutual capacitance associated with the set of conductive columns and the set of conductive rows. According to the comparison, the device may determine a presence of a protective layer in contact with the surface of the capacitive touch screen, and adjust an operating characteristic of the sensor grid.Type: ApplicationFiled: June 11, 2020Publication date: October 29, 2020Inventors: Richard Stacy Withers, David Johnson, Hrishikesh Panchawagh
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Patent number: 10698546Abstract: Methods, systems, and devices for detection of a protective cover film on a capacitive touch screen are described. A device may include a capacitive touch screen having a surface and a sensor grid underneath the surface having a set of conductive columns and a set of conductive rows. The device may measure a mutual capacitance between a subset of conductive columns or a subset of conductive rows associated with a sensor grid, and compare the measured mutual capacitance between the subset of conductive columns or the subset of conductive rows to a baseline mutual capacitance associated with the set of conductive columns and the set of conductive rows. According to the comparison, the device may determine a presence of a protective layer in contact with the surface of the capacitive touch screen, and adjust an operating characteristic of the sensor grid.Type: GrantFiled: December 20, 2018Date of Patent: June 30, 2020Assignee: QUALCOMM IncorporatedInventors: Richard Stacy Withers, David Johnson, Hrishikesh Panchawagh
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Publication number: 20200201459Abstract: Methods, systems, and devices for detection of a protective cover film on a capacitive touch screen are described. A device may include a capacitive touch screen having a surface and a sensor grid underneath the surface having a set of conductive columns and a set of conductive rows. The device may measure a mutual capacitance between a subset of conductive columns or a subset of conductive rows associated with a sensor grid, and compare the measured mutual capacitance between the subset of conductive columns or the subset of conductive rows to a baseline mutual capacitance associated with the set of conductive columns and the set of conductive rows. According to the comparison, the device may determine a presence of a protective layer in contact with the surface of the capacitive touch screen, and adjust an operating characteristic of the sensor grid.Type: ApplicationFiled: December 20, 2018Publication date: June 25, 2020Inventors: Richard Stacy Withers, David Johnson, Hrishikesh Panchawagh
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Patent number: 10254884Abstract: Certain aspects of the present disclosure generally relate to a touch panel. The touch panel may include a cover layer, of a plurality of layers, configured to receive a touch force applied to the touch panel. The touch panel may include a force determination set of layers, of the plurality of layers, to determine a magnitude of the touch force applied to the touch panel. The force determination set of layers may include a piezoelectric layer with a set of force determination pixels. The set of force determination pixels may be arranged in a matrix to address the set of force determination pixels. A force determination pixel may be configured to generate a charge for determining a location of the touch force applied to the touch panel and a magnitude of the touch force applied to the touch panel.Type: GrantFiled: November 21, 2016Date of Patent: April 9, 2019Assignee: QUALCOMM IncorporatedInventors: Richard Stacy Withers, Kevin Johnson, David Johnson, Rizwan Muhammad Khan Afridi, Adithya Naresh, Ronald Scott Lee, Mark Bisbee
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Publication number: 20180143728Abstract: Certain aspects of the present disclosure generally relate to a touch panel. The touch panel may include a cover layer, of a plurality of layers, configured to receive a touch force applied to the touch panel. The touch panel may include a force determination set of layers, of the plurality of layers, to determine a magnitude of the touch force applied to the touch panel. The force determination set of layers may include a piezoelectric layer with a set of force determination pixels. The set of force determination pixels may be arranged in a matrix to address the set of force determination pixels. A force determination pixel may be configured to generate a charge for determining a location of the touch force applied to the touch panel and a magnitude of the touch force applied to the touch panel.Type: ApplicationFiled: November 21, 2016Publication date: May 24, 2018Inventors: Richard Stacy Withers, Kevin Johnson, David Johnson, Rizwan Muhammad Khan Afridi, Adithya Naresh, Ronald Scott Lee, Mark Bisbee
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Patent number: 7791339Abstract: A multimode resonator resonating at two or more frequencies is operated at cryogenic temperatures and composed of a superconducting material or a normal metal with a superconducting section serving as a RF superconducting switch. The multimode resonator is coupled to a NMR spectrometer and a RF switch power source, wherein its one frequency is selected to correspond to the operating frequency of the NMR spectrometer and at least a second frequency is tuned to a frequency of RF switch power source, unrelated to the spectrometer frequency, therefore power at this frequency does not perturb the operation of the spectrometer. When activated, the RF switch power source induces a current sufficient to approach or exceeds the critical current in one or more sections of the superconducting material of the multimode resonator, thereby increasing its resistance and reducing the Q factor of the multimode resonator.Type: GrantFiled: September 7, 2007Date of Patent: September 7, 2010Assignee: Varian, Inc.Inventors: Wai Ha Wong, Richard Stacy Withers, Weston A. Anderson
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Publication number: 20090302846Abstract: A multimode resonator resonating at two or more frequencies is operated at cryogenic temperatures and composed of a superconducting material or a normal metal with a superconducting section serving as a RF superconducting switch. The multimode resonator is coupled to a NMR spectrometer and a RF switch power source, wherein its one frequency is selected to correspond to the operating frequency of the NMR spectrometer and at least a second frequency is tuned to a frequency of RF switch power source, unrelated to the spectrometer frequency, therefore power at this frequency does not perturb the operation of the spectrometer. When activated, the RF switch power source induces a current sufficient to approach or exceeds the critical current in one or more sections of the superconducting material of the multimode resonator, thereby increasing its resistance and reducing the Q factor of the multimode resonator.Type: ApplicationFiled: September 7, 2007Publication date: December 10, 2009Inventors: Wai Ha Wong, Richard Stacy Withers, Weston A. Anderson