Patents by Inventor Vincent Liu
Vincent 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: 20240155549Abstract: This disclosure provides methods, components, devices and systems for wireless communications. Some aspects more specifically relate to elevation estimation for determining operating channels and transmission parameters. A wireless communication device, such as a cloud service, may receive geolocation information of an access point (AP). Additionally, or alternatively, the wireless communication device may receive air pressure and temperature information of the AP. Using the geolocation information and building datasets including locations and heights of buildings surrounding the AP, the wireless communication device may identify a highest building and based on its, height estimate an elevation of the AP. Based on the estimated building height and elevation, the wireless communication device may determine a set of transmission parameters for the AP and transmit an indication of the set to the AP.Type: ApplicationFiled: November 8, 2022Publication date: May 9, 2024Inventors: Ahmed Owais Qureshi, Tevfik Yucek, Vincent Knowles Jones, Matthew Tornquist, Zhiqun LIU
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Patent number: 11684388Abstract: Methods and apparatus are provided for affecting an appearance of skin by harvesting small portions of tissue from a donor (first) site and applying them at a recipient (second) site. A plurality of micrografts can be formed from a piece of graft tissue and attached to a dressing material. The dressing material can then be expanded to increase a separation distance between the micrografts, and the dressing material having spaced-apart micrografts attached thereto can be applied to a prepared recipient site. An apparatus can be provided that expands the dressing material using a pressurized fluid. A further method can include providing a suspension of small portions of graft tissue in a solution. The solution can be injected into blisters formed at a recipient (second) site and the tissue portions allowed to attach and proliferate. A method and apparatus can also be provided for forming corresponding blisters at a donor site and at a recipient site.Type: GrantFiled: May 6, 2019Date of Patent: June 27, 2023Assignee: The General Hospital CorporationInventors: Falguni Asrani, William Farinelli, Ajay Shah, Vincent Liu, Richard R. Anderson
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Publication number: 20230132373Abstract: Methods and apparatus are provided for affecting an appearance of skin by harvesting small portions of tissue from a donor (first) site and applying them at a recipient (second) site. A plurality of micrografts can be formed from a piece of graft tissue and attached to a dressing material. The dressing material can then be expanded to increase a separation distance between the micrografts, and the dressing material having spaced-apart micrografts attached thereto can be applied to a prepared recipient site. An apparatus can be provided that expands the dressing material using a pressurized fluid. A further method can include providing a suspension of small portions of graft tissue in a solution. The solution can be injected into blisters formed at a recipient (second) site and the tissue portions allowed to attach and proliferate. A method and apparatus can also be provided for forming corresponding blisters at a donor site and at a recipient site.Type: ApplicationFiled: May 6, 2019Publication date: April 27, 2023Inventors: Falguni Asrani, William Farinelli, Ajay Shah, Vincent Liu, Richard R. Anderson
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Patent number: 11425479Abstract: An in-ear audio device includes a driver module disposed within an in-ear enclosure, and a mounting region of the in-ear enclosure including a device engagement mechanism comprising an engagement feature that is formed on a surface of the in-ear enclosure. The driver module is configured to deliver audible output provided from the driver module to an output end of the in-ear enclosure. At least a portion of the engagement feature is configured to engage with a mating engagement feature of an interchangeable faceplate to cause the interchangeable faceplate to be coupled to the engagement feature.Type: GrantFiled: May 26, 2020Date of Patent: August 23, 2022Assignee: LOGITECH EUROPE S.A.Inventors: Vincent Liu, Johnny Hsu, Philippe Depallens
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Publication number: 20210377641Abstract: An in-ear audio device includes a driver module disposed within an in-ear enclosure, and a mounting region of the in-ear enclosure including a device engagement mechanism comprising an engagement feature that is formed on a surface of the in-ear enclosure. The driver module is configured to deliver audible output provided from the driver module to an output end of the in-ear enclosure. At least a portion of the engagement feature is configured to engage with a mating engagement feature of an interchangeable faceplate to cause the interchangeable faceplate to be coupled to the engagement feature.Type: ApplicationFiled: May 26, 2020Publication date: December 2, 2021Inventors: Vincent LIU, Johnny Hsu, Philippe DEPALLENS
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Patent number: 10447331Abstract: Apparatuses, systems, ambient backscatter transceivers, and methods for modulating a backscatter of an ambient RF signal are described. An example system may include an ambient backscatter transceiver comprising an antenna that is configured to receive a backscattered ambient radio frequency (RF) signal. The ambient backscatter transceiver is configured to demodulate the backscattered ambient RF signal to retrieve first data. The backscattered ambient RF signal is generated by backscattering an ambient RF signal at a first frequency. The ambient RF signal is encoded with modulated to provide second data at a second frequency.Type: GrantFiled: July 24, 2018Date of Patent: October 15, 2019Assignee: University of WashingtonInventors: Shyamnath Gollakota, Joshua R. Smith, Vincent Liu, Aaron N. Parks, Vamsi Talla
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Publication number: 20190254694Abstract: Methods and apparatus are provided for affecting an appearance of skin by harvesting small portions of tissue from a donor (first) site and applying them at a recipient (second) site. A plurality of micrografts can be formed from a piece of graft tissue and attached to a dressing material. The dressing material can then be expanded to increase a separation distance between the micrografts, and the dressing material having spaced-apart micrografts attached thereto can be applied to a prepared recipient site. An apparatus can be provided that expands the dressing material using a pressurized fluid. A further method can include providing a suspension of small portions of graft tissue in a solution. The solution can be injected into blisters formed at a recipient (second) site and the tissue portions allowed to attach and proliferate. A method and apparatus can also be provided for forming corresponding blisters at a donor site and at a recipient site.Type: ApplicationFiled: May 6, 2019Publication date: August 22, 2019Inventors: Falguni Asrani, William Farinelli, Ajay Shah, Vincent Liu, Richard R. Anderson
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Patent number: 10278724Abstract: Methods and apparatus are provided for affecting an appearance of skin by harvesting small portions of tissue from a donor (first) site and applying them at a recipient (second) site. A plurality of micrografts can be formed from a piece of graft tissue and attached to a dressing material. The dressing material can then be expanded to increase a separation distance between the micrografts, and the dressing material having spaced-apart micrografts attached thereto can be applied to a prepared recipient site. An apparatus can be provided that expands the dressing material using a pressurized fluid. A further method can include providing a suspension of small portions of graft tissue in a solution. The solution can be injected into blisters formed at a recipient (second) site and the tissue portions allowed to attach and proliferate. A method and apparatus can also be provided for forming corresponding blisters at a donor site and at a recipient site.Type: GrantFiled: August 31, 2016Date of Patent: May 7, 2019Assignees: The General Hospital Corporation, Massachusetts Institute of TechnologyInventors: Falguni Asrani, William Farinelli, Ajay Shah, Vincent Liu, Richard R. Anderson
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Publication number: 20180358996Abstract: Apparatuses, systems, ambient backscatter transceivers, and methods for modulating a backscatter of an ambient RF signal are described. An example system may include an ambient backscatter transceiver comprising an antenna that is configured to receive a backscattered ambient radio frequency (RF) signal. The ambient backscatter transceiver is configured to demodulate the backscattered ambient RF signal to retrieve first data. The backscattered ambient RF signal is generated by backscattering an ambient RF signal at a first frequency. The ambient RF signal is encoded with modulated to provide second data at a second frequency.Type: ApplicationFiled: July 24, 2018Publication date: December 13, 2018Applicant: University of WashingtonInventors: Shyamnath Gollakota, Joshua R. Smith, Vincent Liu, Aaron N. Parks, Vamsi Talla
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Patent number: 10033424Abstract: Apparatuses, systems, ambient backscatter transceivers, and methods for modulating a backscatter of an ambient RF signal are described. An example system may include an ambient backscatter transceiver comprising an antenna that is configured to receive a backscattered ambient radio frequency (RF) signal. The ambient backscatter transceiver is configured to demodulate the backscattered ambient RF signal to retrieve first data. The backscattered ambient RF signal is generated by backscattering an ambient RF signal at a first frequency. The ambient RF signal is encoded with modulated to provide second data at a second frequency.Type: GrantFiled: May 22, 2017Date of Patent: July 24, 2018Assignee: University of WashingtonInventors: Shyamnath Gollakota, Joshua R. Smith, Vincent Liu, Aaron N. Parks, Vamsi Talla
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Publication number: 20170331509Abstract: Apparatuses, systems, ambient backscatter transceivers, and methods for modulating a backscatter of an ambient RF signal are described. An example system may include an ambient backscatter transceiver comprising an antenna that is configured to receive a backscattered ambient radio frequency (RF) signal. The ambient backscatter transceiver is configured to demodulate the backscattered ambient RF signal to retrieve first data. The backscattered ambient RF signal is generated by backscattering an ambient RF signal at a first frequency. The ambient RF signal is encoded with modulated to provide second data at a second frequency.Type: ApplicationFiled: May 22, 2017Publication date: November 16, 2017Applicant: University of WashingtonInventors: Shyamnath Gollakota, Joshua R. Smith, Vincent Liu, Aaron N. Parks, Vamsi Talla
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Patent number: 9680520Abstract: Apparatuses, systems, ambient backscatter transceivers, and methods for modulating a backscatter of an ambient RF signal are described. An example system may include an ambient backscatter transceiver comprising an antenna that is configured to receive a backscattered ambient radio frequency (RF) signal. The ambient backscatter transceiver is configured to demodulate the backscattered ambient RF signal to retrieve first data. The backscattered ambient RF signal is generated by backscattering an ambient RF signal at a first frequency. The ambient RF signal is encoded with modulated to provide second data at a second frequency.Type: GrantFiled: July 9, 2015Date of Patent: June 13, 2017Assignee: University of Washington Through Its Center For CommercializationInventors: Shyamnath Gollakota, Joshua R. Smith, Vincent Liu, Aaron N. Parks, Vamsi Talla
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Publication number: 20170128096Abstract: Methods and apparatus are provided for affecting an appearance of skin by harvesting small portions of tissue from a donor (first) site and applying them at a recipient (second) site. A plurality of micrografts can be formed from a piece of graft tissue and attached to a dressing material. The dressing material can then be expanded to increase a separation distance between the micrografts, and the dressing material having spaced-apart micrografts attached thereto can be applied to a prepared recipient site. An apparatus can be provided that expands the dressing material using a pressurized fluid. A further method can include providing a suspension of small portions of graft tissue in a solution. The solution can be injected into blisters formed at a recipient (second) site and the tissue portions allowed to attach and proliferate. A method and apparatus can also be provided for forming corresponding blisters at a donor site and at a recipient site.Type: ApplicationFiled: August 31, 2016Publication date: May 11, 2017Inventors: Falguni Asrani, William Farinelli, Ajay Shah, Vincent Liu, Richard R. Anderson
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Publication number: 20170134844Abstract: The present disclosure generally provides a method of manufacture of a custom fit in-ear module, including capturing an anatomical representation of a body part at a first location; transferring the stored data to a second electronic device positioned at a second location; forming a three-dimensional digital model from the stored data using the second electronic device; transforming the three-dimensional digital model, wherein the transforming comprises forming a cavity within the three-dimensional digital model, wherein the cavity is sized to receive an acoustic output member and one or more drivers; transferring the transformed three dimensional model to a third electronic device positioned at a third location; forming a body of an in-ear monitor using the transformed three dimensional model; and positioning the acoustic output member and one or more drivers within the formed body, wherein the acoustic output member and one or more drivers reside at least partially within the cavity.Type: ApplicationFiled: January 13, 2017Publication date: May 11, 2017Inventors: Vincent LIU, Phillippe DEPALLENS, Todd William LANSINGER, Joseph A. SAGGIO, JR.
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Patent number: 9451979Abstract: Methods and apparatus are provided for affecting an appearance of skin by harvesting small portions of tissue from a donor (first) site and applying them at a recipient (second) site. A plurality of micrografts can be formed from a piece of graft tissue and attached to a dressing material. The dressing material can then be expanded to increase a separation distance between the micrografts, and the dressing material having spaced-apart micrografts attached thereto can be applied to a prepared recipient site. An apparatus can be provided that expands the dressing material using a pressurized fluid. A further method can include providing a suspension of small portions of graft tissue in a solution. The solution can be injected into blisters formed at a recipient (second) site and the tissue portions allowed to attach and proliferate. A method and apparatus can also be provided for forming corresponding blisters at a donor site and at a recipient site.Type: GrantFiled: September 24, 2009Date of Patent: September 27, 2016Assignees: The General Hospital Corporation, Massachusetts Institute of TechnologyInventors: Falguni Asrani, Ajay Shah, William Farinelli, Vincent Liu, Richard R. Anderson
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Publication number: 20150311944Abstract: Apparatuses, systems, ambient backscatter transceivers, and methods for modulating a backscatter of an ambient RF signal are described. An example system may include an ambient backscatter transceiver comprising an antenna that is configured to receive a backscattered ambient radio frequency (RF) signal. The ambient backscatter transceiver is configured to demodulate the backscattered ambient RF signal to retrieve first data. The backscattered ambient RF signal is generated by backscattering an ambient RF signal at a first frequency. The ambient RF signal is encoded with modulated to provide second data at a second frequency.Type: ApplicationFiled: July 9, 2015Publication date: October 29, 2015Inventors: Shyamnath Gollakota, Joshua R. Smith, Vincent Liu, Aaron N. Parks, Vamsi Talla
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Patent number: 8361198Abstract: A process is described for purifying synthesis gas by means of a pressure swing adsorption unit which is desorbed by a vacuum produced by a so-called ejector, which is driven by steam generated by a heat exchanger which uses the heat in the flue gas duct or in the useful-gas duct for the generation of steam. The pressure swing adsorption unit is operated advantageously in cyclic turns of adsorption under excess pressure, depressurization desorption and vacuum desorption and the gas desorbed by the ejector being cooled in a cooler so that the contained steam can be condensed and discharged or is advantageously returned to the feed gas for the synthesis gas production. The foreign gas desorbed by the pressure swing adsorption unit, which contains at least partly not yet consumed fuel gas, is recycled to the fuel gas. In an advantageous embodiment, the vacuum from the ejector is stored in an intermediate tank and applied to the pressure swing adsorption unit according to the vacuum desorption cycle.Type: GrantFiled: February 17, 2009Date of Patent: January 29, 2013Assignee: UHDE GmbHInventors: Thilo Von Trotha, Vincent Liu, Michael Wyschofsky
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Patent number: 8106606Abstract: The present invention discloses a control apparatus, which not only accepts multiple dimming control signals, but also combines the signals in analog manner. By means of this, an inevitable analog to digital converter in a conventional voltage multiple dimming control apparatus can be saved without hurting the performance of generation of pulse width modulation signals. Compared with the conventional arts, the present invention further exhibits reduction in view of chip size and power consumption.Type: GrantFiled: August 13, 2009Date of Patent: January 31, 2012Assignee: Holtek Semiconductor Inc.Inventors: Wen-Kuen Vincent Liu, Yi-Tai Chang
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Patent number: 8076919Abstract: Disclosed is a Power Factor Correction Controller, which comprises a boost converter, a current sensing unit, an arithmetic unit, and a switch driving unit. The current sensing unit can sense or derive the current that pass through the energy delivery device, which is normally implemented by a diode or a switch. The current sensing unit can also sense the inductor current, or the switch current. With the current sensing unit, the arithmetic unit can calculate the optimum switch on-time or when to turn off the switch, without direct-sensing of the load. The disclosed method reduces the system cost by removing the needs to sense the load condition as in the prior arts. The disclosed method also improves the system response by sensing the delivered current at energy delivery side, rather than the receiver side as in the prior arts.Type: GrantFiled: March 20, 2009Date of Patent: December 13, 2011Assignee: Holtek Semiconductor Inc.Inventors: Vincent Liu, Yi-Meng Lan, Ming-Hung Chien
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Publication number: 20110264115Abstract: Methods and apparatus are provided for affecting an appearance of skin by harvesting small portions of tissue from a donor (first) site and applying them at a recipient (second) site. A plurality of micrografts can be formed from a piece of graft tissue and attached to a dressing material. The dressing material can then be expanded to increase a separation distance between the micrografts, and the dressing material having spaced-apart micrografts attached thereto can be applied to a prepared recipient site. An apparatus can be provided that expands the dressing material using a pressurized fluid. A further method can include providing a suspension of small portions of graft tissue in a solution. The solution can be injected into blisters formed at a recipient (second) site and the tissue portions allowed to attach and proliferate. A method and apparatus can also be provided for forming corresponding blisters at a donor site and at a recipient site.Type: ApplicationFiled: September 24, 2009Publication date: October 27, 2011Applicant: The General Hospital CorporationInventors: Falguni Asrani, William Farinelli, Ajay Shah, Vincent Liu, Richard R. Anderson