Patents by Inventor David J. Liu
David J. Liu 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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Publication number: 20240329277Abstract: Embodiments are disclosed for crash detection on one or more mobile devices (e.g., smartwatch and/or smartphone. In some embodiments, a method comprises: detecting a crash event on a crash device; extracting multimodal features from sensor data generated by multiple sensing modalities of the crash device; computing a plurality of crash decisions based on a plurality of machine learning models applied to the multimodal features, wherein at least one multimodal feature is a rotation rate about a mean axis of rotation; and determining that a severe vehicle crash has occurred involving the crash device based on the plurality of crash decisions and a severity model.Type: ApplicationFiled: June 7, 2024Publication date: October 3, 2024Inventors: Vinay R. Majjigi, Bharath Narasimha Rao, Sriram Venkateswaran, Aniket Aranake, Tejal Bhamre, Alexandru Popovici, Parisa Dehleh Hossein Zadeh, Yann Jerome Julien Renard, Yi Wen Liao, Stephen P. Jackson, Rebecca L. Clarkson, Henry Choi, Paul D. Bryan, Mrinal Agarwal, Ethan Goolish, Richard G. Liu, Omar Aziz, Alvaro J. Melendez Hasbun, David Ojeda Avellaneda, Sunny Kai Pang Chow, Pedro O. Varangot, Tianye Sun, Karthik Jayaraman Raghuram, Hung A. Pham
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Patent number: 12097603Abstract: An oscillating power tool has a housing including a handle portion defining a handle axis and a head portion defining an output axis that is perpendicular to the handle axis. The head portion includes a front face intersected by the handle axis. A drive mechanism includes an output shaft configured to oscillate about the output axis in a rotational manner in response receiving torque from a motor. A lighting assembly is configured to illuminate a workpiece in front of the head portion of the housing. The lighting assembly includes a lens arranged on the front face of the housing, a holder coupled to the lens, a plurality of printed circuit boards supported by the holder, and an LED arranged on each of the printed circuit boards. In response to being activated, the LEDs are configured to project a wide-angle beam of light through the lens.Type: GrantFiled: June 10, 2021Date of Patent: September 24, 2024Assignee: MILWAUKEE ELECTRIC TOOL CORPORATIONInventors: Jeffrey S. Holly, Jacob N. Zimmerman, James C. Sitter, David A. Bierdeman, Andrew R. Schauer, Michael J. Panetta, You Gen Liu
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Patent number: 12086403Abstract: Devices include first and second frame elements having mounting points connectable to opposite ends (e.g., first end, second end) of the touchscreen. First and second rollers are connected, respectively, to the first and second frame elements. A web of transparent material is supported by and between the first and second rollers. Further, an ultraviolet light device is connected to the second frame element and is positioned to expose the web of transparent material to ultraviolet radiation to disinfect the transparent material between users.Type: GrantFiled: March 3, 2021Date of Patent: September 10, 2024Assignee: Xerox CorporationInventors: Douglas K. Herrmann, Seemit Praharaj, Jason M. LeFevre, Paul J. McConville, Chu-Heng Liu, Linn C. Hoover, David A. VanKouwenberg
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Patent number: 12083599Abstract: The nozzles of a MHD liquid metal ejector/printhead can be clogged by contaminants in the liquid metal. Typically, these contaminants are in the form of small particles of aggregates of particles, such as metal oxides, that are insoluble in the liquid metal. Possible cleaning methods include mechanically removing the clogging material, such as by using a physical device to dislodge the clogging material and remove it; chemically removing the clogging material, such as by using selected chemicals/flux to chemically react with the clogging material; using ultrasound to break/remove the clogging material; and providing reversed and/or oscillating flow of material through the nozzle.Type: GrantFiled: April 9, 2020Date of Patent: September 10, 2024Assignee: Additive Technologies LLCInventors: Chu-Heng Liu, Scott James Vader, Paul J. Mcconville, David A. Mantell, Christopher T. Chungbin, Peter M Gulvin
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Publication number: 20230008329Abstract: Systems and methods for personalization using image clouds to represent content. Image clouds can be used to identify initial user interest, present recommended content, present popular content, present search results, and present user profile information. Image clouds are interactive, allowing users to select images displayed in the image cloud, which can contribute to presenting more personalized content as well as updating a user's profile.Type: ApplicationFiled: June 29, 2022Publication date: January 12, 2023Inventors: Mike MACADAAN, David J. LIU, William G. WETHERELL, James D. SIMMONS, Sudhir TONSE, Arun K. Ranganathan
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Patent number: 11403351Abstract: Systems and methods for personalization using image clouds to represent content. Image clouds can be used to identify initial user interest, present recommended content, present popular content, present search results, and present user profile information. Image clouds are interactive, allowing users to select images displayed in the image cloud, which can contribute to presenting more personalized content as well as updating a user's profile.Type: GrantFiled: June 19, 2020Date of Patent: August 2, 2022Assignee: Yahoo Assets LLCInventors: Mike Macadaan, David J. Liu, William G. Wetherell, James D. Simmons, Sudhir Tonse, Arun K. Ranganathan
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Publication number: 20200320146Abstract: Systems and methods for personalization using image clouds to represent content. Image clouds can be used to identify initial user interest, present recommended content, present popular content, present search results, and present user profile information. Image clouds are interactive, allowing users to select images displayed in the image cloud, which can contribute to presenting more personalized content as well as updating a user's profile.Type: ApplicationFiled: June 19, 2020Publication date: October 8, 2020Inventors: Mike MACADAAN, David J. LIU, William G. WETHERELL, James D. SIMMONS, Sudhir TONSE, Arun K. Ranganathan
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Patent number: 10706112Abstract: Systems and methods for personalization using image clouds to represent content. Image clouds can be used to identify initial user interest, present recommended content, present popular content, present search results, and present user profile information. Image clouds are interactive, allowing users to select images displayed in the image cloud, which can contribute to presenting more personalized content as well as updating a user's profile.Type: GrantFiled: June 30, 2017Date of Patent: July 7, 2020Assignee: Oath Inc.Inventors: Mike Macadaan, David J Liu, William G. Wetherell, James D. Simmons, Sudhir Tonse, Arun K. Ranganathan
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Publication number: 20200166440Abstract: An embodiment of the invention relates to a device for detecting an analyte in a sample. The device comprises a fluidic network and an integrated circuitry component. The fluidic network comprises a sample zone, a cleaning zone and a detection zone. The fluidic network contains a magnetic particle and/or a signal particle. A sample containing an analyte is introduced, and the analyte interacts with the magnetic particle and/or the signal particle through affinity agents. A microcoil array or a mechanically movable permanent magnet is functionally coupled to the fluidic network, which are activatable to generate a magnetic field within a portion of the fluidic network, and move the magnetic particle from the sample zone to the detection zone. A detection element is present which detects optical or electrical signals from the signal particle, thus indicating the presence of the analyte.Type: ApplicationFiled: January 31, 2020Publication date: May 28, 2020Inventors: Xing Su, David J. Liu, Kai Wu, Kenneth B. Swartz, Mineo Yamakawa
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Publication number: 20180372601Abstract: An embodiment of the invention relates to a device for detecting an analyte in a sample. The device comprises a fluidic network and an integrated circuitry component. The fluidic network comprises a sample zone, a cleaning zone and a detection zone. The fluidic network contains a magnetic particle and/or a signal particle. A sample containing an analyte is introduced, and the analyte interacts with the magnetic particle and/or the signal particle through affinity agents. A microcoil array or a mechanically movable permanent magnet is functionally coupled to the fluidic network, which are activatable to generate a magnetic field within a portion of the fluidic network, and move the magnetic particle from the sample zone to the detection zone. A detection element is present which detects optical or electrical signals from the signal particle, thus indicating the presence of the analyte.Type: ApplicationFiled: January 9, 2018Publication date: December 27, 2018Inventors: Xing Su, David J. Liu, Kai Wu, Kenneth B. Swartz, Mineo Yamakawa
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Patent number: 9863857Abstract: An embodiment of the invention relates to a device for detecting an analyte in a sample. The device comprises a fluidic network and an integrated circuitry component. The fluidic network comprises a sample zone, a cleaning zone and a detection zone. The fluidic network contains a magnetic particle and/or a signal particle. A sample containing an analyte is introduced, and the analyte interacts with the magnetic particle and/or the signal particle through affinity agents. A microcoil array or a mechanically movable permanent magnet is functionally coupled to the fluidic network, which are activatable to generate a magnetic field within a portion of the fluidic network, and move the magnetic particle from the sample zone to the detection zone. A detection element is present which detects optical or electrical signals from the signal particle, thus indicating the presence of the analyte.Type: GrantFiled: July 31, 2014Date of Patent: January 9, 2018Assignee: Intel CorporationInventors: Xing Su, David J. Liu, Kai Wu, Kenneth B. Swartz, Mineo Yamakawa
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Publication number: 20170363578Abstract: An embodiment of the invention relates to a device for detecting an analyte in a sample. The device comprises a fluidic network and an integrated circuitry component. The fluidic network comprises multiple zones such as a sample zone, a cleaning zone and a detection zone. The fluidic network contains a magnetic particle and/or a signal particle. A sample containing an analyte is introduced, and the analyte interacts with the magnetic particle and/or the signal particle through affinity agents. A microcoil array or a mechanically movable permanent magnet is functionally coupled to the fluidic network, which are activatable to generate a magnetic field within a portion of the fluidic network, and move the magnetic particle from the sample zone to the detection zone. A detection element is present which detects optical or electrical signals from the signal particle, thus indicating the presence of the analyte.Type: ApplicationFiled: June 26, 2017Publication date: December 21, 2017Inventors: Xing Su, Kai Wu, David J. Liu
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Patent number: 9715543Abstract: Systems and methods for personalization using image clouds to represent content. Image clouds can be used to identify initial user interest, present recommended content, present popular content, present search results, and present user profile information. Image clouds are interactive, allowing users to select images displayed in the image cloud, which can contribute to presenting more personalized content as well as updating a user's profile.Type: GrantFiled: January 23, 2008Date of Patent: July 25, 2017Assignee: AOL Inc.Inventors: Mike Macadaan, David J. Liu, William G. Wetherell, James D. Simmons, Sudhir Tonse, Arun K. Ranganathan
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Patent number: 9697288Abstract: A method for personalizing content for a particular user in a computing system comprising a user interface configured to display content. The method comprises identifying a long term profile having one or more features in a feature set and a long term level of importance associated with each term in the feature set, identifying a short term profile having one or more features in the feature set and a short term level of importance associated with each term in the feature set, identifying input related to the display of the one or more content items on the user interface, and using the input to modify the short term level of importance and the long term level of importance associated with each term in the feature set to form a modified user interest set.Type: GrantFiled: October 13, 2015Date of Patent: July 4, 2017Assignee: Citrix Systems, Inc.Inventors: Brock D. Laporte, David J. Liu, Mike Macadaan, David C. Sobotka, Sudhir Tonse
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Patent number: 9689842Abstract: An embodiment of the invention relates to a device for detecting an analyte in a sample. The device comprises a fluidic network and an integrated circuitry component. The fluidic network comprises multiple zones such as a sample zone, a cleaning zone and a detection zone. The fluidic network contains a magnetic particle and/or a signal particle. A sample containing an analyte is introduced, and the analyte interacts with the magnetic particle and/or the signal particle through affinity agents. A microcoil array or a mechanically movable permanent magnet is functionally coupled to the fluidic network, which are activatable to generate a magnetic field within a portion of the fluidic network, and move the magnetic particle from the sample zone to the detection zone. A detection element is present which detects optical or electrical signals from the signal particle, thus indicating the presence of the analyte.Type: GrantFiled: November 5, 2013Date of Patent: June 27, 2017Assignee: INTEL CORPORATIONInventors: Xing Su, Kai Wu, David J Liu
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Patent number: 9552424Abstract: A method for personalizing content for a particular user in a computing system comprising a user interface configured to display content. The method comprises identifying a content item accessed by a user, identifying features associated with the content item; using the features of the content item to identify one or more third party profiles that substantially match a content profile of the content item, and displaying a list of the identified third party profiles.Type: GrantFiled: September 3, 2015Date of Patent: January 24, 2017Assignee: AOL Inc.Inventors: Sudhir Tonse, Arun K Ranganathan, Brock Daniel LaPorte, Michael Macadaan, David J Liu
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Patent number: 9405830Abstract: Systems and methods for personalization using image clouds to represent content. Image clouds can be used to identify initial user interest, present recommended content, present popular content, present search results, and present user profile information. Image clouds are interactive, allowing users to select images displayed in the image cloud, which can contribute to presenting more personalized content as well as updating a user's profile.Type: GrantFiled: January 23, 2008Date of Patent: August 2, 2016Assignee: AOL INC.Inventors: Mike Macadaan, David J. Liu, James D. Simmons, Jr., Wendy Charlene Perlson, William G. Wetherell, Rob Metzgar
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Publication number: 20160042072Abstract: A method for personalizing content for a particular user in a computing system comprising a user interface configured to display content. The method comprises identifying a long term profile having one or more features in a feature set and a long term level of importance associated with each term in the feature set, identifying a short term profile having one or more features in the feature set and a short term level of importance associated with each term in the feature set, identifying input related to the display of the one or more content items on the user interface, and using the input to modify the short term level of importance and the long term level of importance associated with each term in the feature set to form a modified user interest set.Type: ApplicationFiled: October 13, 2015Publication date: February 11, 2016Inventors: Brock D. Laporte, David J. Liu, Mike Macadaan, David C. Sobotka, Sudhir Tonse
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Publication number: 20150379146Abstract: A method for personalizing content for a particular user in a computing system comprising a user interface configured to display content. The method comprises identifying a content item accessed by a user, identifying features associated with the content item; using the features of the content item to identify one or more third party profiles that substantially match a content profile of the content item, and displaying a list of the identified third party profiles.Type: ApplicationFiled: September 3, 2015Publication date: December 31, 2015Inventors: Sudhir Tonse, Arun K. Ranganathan, Brock Daniel LaPorte, Michael Macadaan, David J. Liu
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Patent number: 9159082Abstract: A method for personalizing content for a particular user in a computing system comprising a user interface configured to display content. The method comprises identifying a long term profile having one or more features in a feature set and a long term level of importance associated with each term in the feature set, identifying a short term profile having one or more features in the feature set and a short term level of importance associated with each term in the feature set, identifying input related to the display of the one or more content items on the user interface, and using the input to modify the short term level of importance and the long term level of importance associated with each term in the feature set to form a modified user interest set.Type: GrantFiled: December 19, 2011Date of Patent: October 13, 2015Assignee: Citrix Systems, Inc.Inventors: David C. Sobotka, Sudhir Tonse, Brock D. LaPorte, Mike Macadaan, David J. Liu