Patents by Inventor Donald R. Schropp
Donald R. Schropp 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: 10572067Abstract: Sensing systems and methods that utilize lower-order zero row sum code division multiplexing (CDM) drive matrices to reduce or eliminate radiative emissions. Measurements corresponding to an input received at a sensing region of the input device are obtained by separately driving multiple subsets of transmitters of the input device, and obtaining measurement values corresponding to each separately-driven subset of transmitters via the receivers, wherein a plurality of measurement iterations are performed for each separately-driven subset of transmitters, the plurality of measurement iterations corresponding to a zero row sum CDM drive matrix for the separately-driven subsets of transmitters. An image of the input is generated based on the obtained measurements.Type: GrantFiled: September 17, 2018Date of Patent: February 25, 2020Assignee: Synaptics IncorporatedInventor: Donald R. Schropp, Jr.
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Patent number: 10572065Abstract: Automotive acceleration compensation force sensing includes determining a total force value from the measurements from force sensors, obtaining, from an accelerometer, an environmental acceleration value, and calculating an input object force value on an input surface using a total force value and the environmental acceleration value. Automotive acceleration compensation force sensing further includes reporting the input object force value.Type: GrantFiled: February 8, 2018Date of Patent: February 25, 2020Assignee: Synaptics IncorporatedInventor: Donald R. Schropp, Jr.
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Publication number: 20190302960Abstract: Sensing systems and methods that utilize lower-order zero row sum code division multiplexing (CDM) drive matrices to reduce or eliminate radiative emissions. Measurements corresponding to an input received at a sensing region of the input device are obtained by separately driving multiple subsets of transmitters of the input device, and obtaining measurement values corresponding to each separately-driven subset of transmitters via the receivers, wherein a plurality of measurement iterations are performed for each separately-driven subset of transmitters, the plurality of measurement iterations corresponding to a zero row sum CDM drive matrix for the separately-driven subsets of transmitters. An image of the input is generated based on the obtained measurements.Type: ApplicationFiled: September 17, 2018Publication date: October 3, 2019Inventor: Donald R. Schropp, JR.
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Publication number: 20190243508Abstract: Automotive acceleration compensation force sensing includes determining a total force value from the measurements from force sensors, obtaining, from an accelerometer, an environmental acceleration value, and calculating an input object force value on an input surface using a total force value and the environmental acceleration value. Automotive acceleration compensation force sensing further includes reporting the input object force value.Type: ApplicationFiled: February 8, 2018Publication date: August 8, 2019Inventor: Donald R. Schropp, JR.
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Patent number: 10324576Abstract: A method may include obtaining a capacitive image of various sensor pixels in an input device. The capacitive image may include various capacitive measurements resulting from the first input object and the second input object in a sensing region of the input device. The method may further include obtaining various pixel response functions corresponding to the sensor pixels. The method may further include determining, from the capacitive image and using a search method and the pixel response functions, various capacitive contributions of the first input object in the capacitive image and various capacitive contributions of the second input object. The method may further include determining, using the capacitive contributions of the first input object and the capacitive contributions of the second input object, a first location of the first input object and a second location of the second input object.Type: GrantFiled: November 29, 2017Date of Patent: June 18, 2019Assignee: Synaptics IncorporatedInventor: Donald R. Schropp, Jr.
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Publication number: 20190163296Abstract: A method may include obtaining a capacitive image of various sensor pixels in an input device. The capacitive image may include various capacitive measurements resulting from the first input object and the second input object in a sensing region of the input device. The method may further include obtaining various pixel response functions corresponding to the sensor pixels. The method may further include determining, from the capacitive image and using a search method and the pixel response functions, various capacitive contributions of the first input object in the capacitive image and various capacitive contributions of the second input object. The method may further include determining, using the capacitive contributions of the first input object and the capacitive contributions of the second input object, a first location of the first input object and a second location of the second input object.Type: ApplicationFiled: November 29, 2017Publication date: May 30, 2019Inventor: Donald R. Schropp, JR.
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Publication number: 20180181251Abstract: A method of operating a plurality of electrodes, and a related processing system and input device are disclosed. The method comprises driving, within a first time period, a plurality of sensor electrodes with a first signal. A first portion of the plurality of sensor electrodes defines a first sensing region within a first region, and a second portion of the plurality of sensor electrodes defines a first border region within the first region. The method further comprises driving a plurality of mitigation electrodes with a second, opposite polarity signal to mitigate electromagnetic emissions resulting from driving the plurality of sensor electrodes. The plurality of mitigation electrodes defines a second region adjacent to the first border region. The method further comprises acquiring, responsive to driving the plurality of sensor electrodes, first capacitive measurements with the first portion.Type: ApplicationFiled: April 10, 2017Publication date: June 28, 2018Inventors: Robert J. BOLENDER, Donald R. SCHROPP, JR.
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Patent number: 9959002Abstract: In a method of input sensing and exclusion, an input is detected within a sensing region of an input device. It is determined that the input is along an edge of the input device. It is then determined whether the input satisfies exclusion criteria. Responsive to satisfaction of the exclusion criteria, the input is excluded from consideration as valid input.Type: GrantFiled: September 26, 2017Date of Patent: May 1, 2018Assignee: Synaptics IncorpratedInventor: Donald R. Schropp
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Publication number: 20180018046Abstract: In a method of input sensing and exclusion, an input is detected within a sensing region of an input device. It is determined that the input is along an edge of the input device. It is then determined whether the input satisfies exclusion criteria. Responsive to satisfaction of the exclusion criteria, the input is excluded from consideration as valid input.Type: ApplicationFiled: September 26, 2017Publication date: January 18, 2018Applicant: Synaptics IncorporatedInventor: Donald R. Schropp, JR.
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Patent number: 9804717Abstract: In a method of input sensing and exclusion, an input is detected within a sensing region of an input device. It is determined that the input is along an edge of the input device. It is then determined whether the input satisfies exclusion criteria. Responsive to satisfaction of the exclusion criteria, the input is excluded from consideration as valid input.Type: GrantFiled: March 11, 2015Date of Patent: October 31, 2017Assignee: Synaptics IncorporatedInventor: Donald R. Schropp, Jr.
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Publication number: 20160266674Abstract: In a method of input sensing and exclusion, an input is detected within a sensing region of an input device. It is determined that the input is along an edge of the input device. It is then determined whether the input satisfies exclusion criteria. Responsive to satisfaction of the exclusion criteria, the input is excluded from consideration as valid input.Type: ApplicationFiled: March 11, 2015Publication date: September 15, 2016Applicant: SYNAPTICS INCORPORATEDInventor: Donald R. SCHROPP, JR.
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Patent number: 9055841Abstract: A solid state thermite reaction composition is provided comprising a fuel component, an initiating oxidizer, a primary oxidizer, a fluxing agent and a thermal diluent. According to other aspects, a heating device, a heating element and an activation mechanism are provided. The heating device comprises a heating chamber defining an interior space for receiving and storing a substance to be heated, a reaction chamber disposed within the heating chamber, a solid state thermite reaction composition disposed within the reaction chamber such that it is physically isolated from and in thermal communication with the interior space of the heating chamber, and an activation mechanism having an actuator. The activation mechanism is in communication with the composition disposed within the reaction chamber and the reaction composition is inert until the activator mechanism is actuated.Type: GrantFiled: March 1, 2010Date of Patent: June 16, 2015Assignee: HEATGENIE, INC.Inventors: Brendan Coffey, Donald R. Schropp, Jr., Krzysztof Czeslaw Kwiatkowski
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Patent number: 8864924Abstract: A solid state thermite reaction composition is provided comprising a fuel component, an initiating oxidizer, a primary oxidizer, a fluxing agent and a thermal diluent. According to another aspect, a heating device is provided comprising a heating chamber for receiving and storing a substance to be heated having at least two walls, a reaction chamber affixed to a wall of the heating chamber, a solid state thermite reaction composition located within the reaction chamber and an actuatable trigger mechanism affixed to the reaction chamber such that the trigger mechanism is in contact with the reaction composition. According to another aspect, a solid-state thermite reaction activation mechanism is provided comprising a first compound substantially in contact with a thermite reaction fuel, a second compound and a removable barrier located between the first and second compounds preventing any contact between the first and second compounds.Type: GrantFiled: April 7, 2009Date of Patent: October 21, 2014Assignee: HeatGenie, Inc.Inventors: Brendan Coffey, Donald R. Schropp, Jr., Krzysztof Czeslaw Kwiatkowski
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Patent number: 8512641Abstract: The present invention is directed to methods and systems of modulating step function phenomena by varying nanoparticle size—particularly wherein a plurality of such nanoparticles are employed, and wherein said nanoparticles comprise a size distribution favorable for collectively smoothing the step function. Such methods and systems are particularly favorable for hydrogen sensors.Type: GrantFiled: April 4, 2007Date of Patent: August 20, 2013Assignee: Applied Nanotech Holdings, Inc.Inventors: Zvi Yaniv, Donald R. Schropp, Jr.
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Patent number: 8309912Abstract: An ion trap instrument working at atmospheric pressure, which alleviates requirements of bulky, power consuming vacuum pumps. Traps can accumulate selected ion species, effectively concentrating the analyte of interest and allowing laser spectroscopy to be performed. This lowers the detection threshold of this instrument compared to others and increases the selectivity.Type: GrantFiled: November 17, 2009Date of Patent: November 13, 2012Assignee: Applied Nanotech Holdings, Inc.Inventors: Donald R. Schropp, Jr., Richard Lee Fink, Igor Pavlovsky
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Patent number: 8117897Abstract: An elliptical photo-acoustic spectrometer chamber design will result in a larger intensity signal at the pick-up microphone and allow high frequency light modulation. This makes the spectrometer have a lower limit of detection threshold, and will increase the signal to noise ratio in general for the instrument, resulting in a more sensitive instrument allowing more precise measurements.Type: GrantFiled: November 26, 2007Date of Patent: February 21, 2012Assignee: Applied Nanotech Holdings, Inc.Inventors: Donald R. Schropp, Jr., Igor Pavlovsky, Richard Lee Fink
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Publication number: 20100252023Abstract: A solid state thermite reaction composition is provided comprising a fuel component, an initiating oxidizer, a primary oxidizer, a fluxing agent and a thermal diluent. According to other aspects, a heating device, a heating element and an activation mechanism are provided. The heating device comprises a heating chamber defining an interior space for receiving and storing a substance to be heated, a reaction chamber disposed within the heating chamber, a solid state thermite reaction composition disposed within the reaction chamber such that it is physically isolated from and in thermal communication with the interior space of the heating chamber, and an activation mechanism having an actuator. The activation mechanism is in communication with the composition disposed within the reaction chamber and the reaction composition is inert until the activator mechanism is actuated.Type: ApplicationFiled: March 1, 2010Publication date: October 7, 2010Applicant: Ironbridge Technologies, Inc.Inventors: Brendan Coffey, Donald R. Schropp, JR., Krzysztof Czeslaw Kwiatkowski
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Publication number: 20100255169Abstract: A heating device is provided comprising a heating chamber for receiving and storing a substance to be heated having at least two walls, a reaction chamber affixed to a wall of the heating chamber, a solid-state modified thermite reaction composition located within the reaction chamber and an actuatable trigger mechanism affixed to the reaction chamber such that the trigger mechanism is in contact with the reaction composition. According to another aspect, a heating device is provided comprising a heating chamber defining an interior space for receiving and storing a substance to be heated, a reaction chamber, a solid-state modified thermite reaction composition disposed within the reaction chamber such that it is physically isolated from and in thermal communication with the interior space of the heating chamber and an activator mechanism affixed to either reaction chamber or heating chamber such that the activator mechanism is in communication with the reaction composition.Type: ApplicationFiled: September 30, 2009Publication date: October 7, 2010Applicant: Inonbridge Technologies, Inc.Inventors: Brendan Coffey, Robert John Gordon, Donald R. Schropp, JR., Krzysztof Czeslaw Kwiatkowski
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Publication number: 20100252022Abstract: A solid state thermite reaction composition is provided comprising a fuel component, an initiating oxidizer, a primary oxidizer, a fluxing agent and a thermal diluent. According to another aspect, a heating device is provided comprising a heating chamber for receiving and storing a substance to be heated having at least two walls, a reaction chamber affixed to a wall of the heating chamber, a solid state thermite reaction composition located within the reaction chamber and an actuatable trigger mechanism affixed to the reaction chamber such that the trigger mechanism is in contact with the reaction composition. According to another aspect, a solid-state thermite reaction activation mechanism is provided comprising a first compound substantially in contact with a thermite reaction fuel, a second compound and a removable barrier located between the first and second compounds preventing any contact between the first and second compounds.Type: ApplicationFiled: April 7, 2009Publication date: October 7, 2010Applicant: Ironbridge Technologies, Inc.Inventors: Brendan Coffey, Donald R. Schropp, JR., Krzysztof Czeslaw Kwiatkowski
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Publication number: 20100127167Abstract: An ion trap instrument working at atmospheric pressure, which alleviates requirements of bulky, power consuming vacuum pumps. Traps can accumulate selected ion species, effectively concentrating the analyte of interest and allowing laser spectroscopy to be performed. This lowers the detection threshold of this instrument compared to others and increases the selectivity.Type: ApplicationFiled: November 17, 2009Publication date: May 27, 2010Applicant: APPLIED NANOTECH HOLDINGS, INC.Inventors: Donald R. Schropp, JR., Richard Lee Fink, Igor Pavlovsky