Patents by Inventor Chien Nguyen
Chien Nguyen 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: 10778820Abstract: Provided is an electronic device including: a battery; a housing; a battery tape adhering the battery and the housing; a display screen provided at a front surface of the housing; a display tape adhering the display screen and the housing; a chamber adjacent to the battery; and an air path that connects to the chamber that prevents the chamber from being airtight. Such an electronic device may prevent the display screen from being deformed due to heat and air expansion caused by a temperature change in the chamber.Type: GrantFiled: February 26, 2018Date of Patent: September 15, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dac Tri Bui, Van Hoang Nguyen, Van Duc Le, Quoc Chien Nguyen, Van Quan Hoang
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Publication number: 20200253680Abstract: A modular workspace platform system for providing a mobile work surface for a user includes a workspace platform attachable to a location specified by the user. The workspace platform includes a compact work surface for use in performing at least one manual task including temporarily storing a material, mixing two or more materials, temporarily supporting a tool, and providing a tool cleaning surface. In an embodiment, the compact work surface includes at least one of a trough, a tapered channel, a tool insertion slot, a wipe holder, a textured surface configured as the tool cleaning surface, a mixing surface a ruler holder, and a matrix ring holder.Type: ApplicationFiled: December 6, 2019Publication date: August 13, 2020Applicant: The Quick Co, LLCInventors: Jack Chien Nguyen, Marc Andrew Hanchak, Peter Schuyler Livingston
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Publication number: 20200081388Abstract: A sheet feed device includes a sheet storage portion, a first regulation portion, a feed portion, and a second regulation portion. The sheet storage portion is attached to an apparatus main body in a detachable manner. A sheet is stored in the sheet storage portion. The first regulation portion stands on a bottom surface of the sheet storage portion and regulates a position of the sheet in a predetermined width direction by externally abutting on a first side of the sheet in the width direction. The feed portion is provided in the apparatus main body and feeds the sheet in a feed direction perpendicular to the width direction. The second regulation portion is provided in the apparatus main body and regulates a position of the sheet by externally abutting on the first side at a downstream of the first regulation portion in the feed direction.Type: ApplicationFiled: September 4, 2019Publication date: March 12, 2020Inventor: Danh Chien Nguyen
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Publication number: 20190390771Abstract: A seal assembly for high pressure equipment is disclosed and can include a back-up ring having a head and an extension extending from the head. The extension can include an interior surface that extends axially away from and radially inwardly from the head. The seal assembly can also include a spring energized seal having a jacket having a sealing portion with an annular spring disposed within the sealing portion of the jacket. At least a portion of the jacket fits around the extension of the back-up ring and wherein the back-up ring has a minimum inner diameter, IDBUR, the spring energized seal has a minimum inner diameter, IDSES, and IDSES is less than IDBUR.Type: ApplicationFiled: June 21, 2019Publication date: December 26, 2019Inventors: Chien NGUYEN, Xiang YAN, Van DUONG
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Publication number: 20190245957Abstract: Provided is an electronic device including: a battery; a housing; a battery tape adhering the battery and the housing; a display screen provided at a front surface of the housing; a display tape adhering the display screen and the housing; a chamber adjacent to the battery; and an air path that connects to the chamber that prevents the chamber from being airtight. Such an electronic device may prevent the display screen from being deformed due to heat and air expansion caused by a temperature change in the chamber.Type: ApplicationFiled: February 26, 2018Publication date: August 8, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dac TRI BUI, Van HOANG NGUYEN, Van DUC LE, Quoc CHIEN NGUYEN, Van QUAN HOANG
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Patent number: 10274455Abstract: An electrical circuit element, defined as “pixel”, can include at least one silicon nanowire open for contact with a medium for sensing; a metal electrode open for contact with said medium and used for feeding a high-frequency sinusoidal stimulation in impedance measurements and for sensing properties of said medium; implanted source and drain electrodes connected to said silicon nanowire and leaving the gate area and parts of said electrode open for contact with said medium; electrical metal contacts for connecting said pixel to an electrical circuit; and a reference electrode open for contact with said medium for creating a three-electrode-cell system and providing a constant gate potential in the circuit. Some embodiments provide a microelectronic sensor and wearable-patch sensor based on the array of these pixels. Also, some embodiments provide methods for performing DC readout, AC readout and a triple readout combining both DC and AC readouts and temperature sensing.Type: GrantFiled: March 31, 2016Date of Patent: April 30, 2019Assignee: RG SMART PTE. LTD.Inventors: Ayal Ram, Amir Lichtenstein, Xuan-Thang Vu, Jessica Ka-Yan Law, Miriam Schwartz, Jannick Wilhelm, Thanh Chien Nguyen
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Patent number: 10054563Abstract: In some embodiments, an electrical circuit element, defined as “optoelectronic pixel”, comprises at least one silicon nanowire decorated with optoelectronically active particles and open for contact with a medium for sensing; a metal electrode open for contact with said medium and used for feeding a high-frequency sinusoidal stimulation in impedance measurements and for sensing properties of said medium; implanted source and drain electrodes connected to said silicon nanowire and leaving the gate area and parts of said electrode open for contact with said medium; electrical metal contacts for connecting said pixel to an electrical circuit; and a reference electrode open for contact with said medium for creating a three-electrode-cell system and providing a constant gate potential in the circuit. In addition, some embodiments provide an optoelectronic sensor and wearable-patch sensor based on the array of the optoelectronic pixels, and the readout methods for these sensors.Type: GrantFiled: March 31, 2016Date of Patent: August 21, 2018Assignee: RGE SMART PTE. LTD.Inventors: Ayal Ram, Amir Lichtenstein, Xuan-Thang Vu, Jessica Ka-Yan Law, Duy Phu Tran, Jannick Wilhelm, Thanh Chien Nguyen, Miriam Schwartz
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Publication number: 20160290957Abstract: An electrical circuit element, defined as “pixel”, can include at least one silicon nanowire open for contact with a medium for sensing; a metal electrode open for contact with said medium and used for feeding a high-frequency sinusoidal stimulation in impedance measurements and for sensing properties of said medium; implanted source and drain electrodes connected to said silicon nanowire and leaving the gate area and parts of said electrode open for contact with said medium; electrical metal contacts for connecting said pixel to an electrical circuit; and a reference electrode open for contact with said medium for creating a three-electrode-cell system and providing a constant gate potential in the circuit. Some embodiments provide a microelectronic sensor and wearable-patch sensor based on the array of these pixels. Also, some embodiments provide methods for performing DC readout, AC readout and a triple readout combining both DC and AC readouts and temperature sensing.Type: ApplicationFiled: March 31, 2016Publication date: October 6, 2016Inventors: Ayal RAM, Amir LICHTENSTEIN, Xuan-Thang VU, Jessica Ka-Yan LAW, Miriam SCHWARTZ, Jannick WILHELM, Thanh Chien NGUYEN
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Publication number: 20160290958Abstract: In some embodiments, an electrical circuit element, defined as “optoelectronic pixel”, comprises at least one silicon nanowire decorated with optoelectronically active particles and open for contact with a medium for sensing; a metal electrode open for contact with said medium and used for feeding a high-frequency sinusoidal stimulation in impedance measurements and for sensing properties of said medium; implanted source and drain electrodes connected to said silicon nanowire and leaving the gate area and parts of said electrode open for contact with said medium; electrical metal contacts for connecting said pixel to an electrical circuit; and a reference electrode open for contact with said medium for creating a three-electrode-cell system and providing a constant gate potential in the circuit. In addition, some embodiments provide an optoelectronic sensor and wearable-patch sensor based on the array of the optoelectronic pixels, and the readout methods for these sensors.Type: ApplicationFiled: March 31, 2016Publication date: October 6, 2016Inventors: Ayal RAM, Amir LICHTENSTEIN, Xuan-Thang VU, Jessica Ka-Yan LAW, Duy Phu TRAN, Jannick WILHELM, Thanh Chien NGUYEN
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Publication number: 20150224499Abstract: An automated assay platform for determining the presence and/or amount of analytes of interest in a sample at point of care integrates microfluidic enhanced assay sites, disposable cartridge designs, a sensitive low-volume detection module, together with selected pumping and valving modules, customized control board and user friendly graphical user interface (GUI). Comparing to traditional assay platform like 96-well ELISA, the platform is capable of reducing reagent consumption, increasing assay speed, and enhancing assay performance with a sample-in-answer-out automated process. This platform also features flexibility of adapting different assay schemes for different analytes.Type: ApplicationFiled: February 13, 2015Publication date: August 13, 2015Inventors: Guochun Wang, Champak Das, Bradley Ledden, Qian Sun, Chien Nguyen, Sai Kumar
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Patent number: 8482218Abstract: A lighting circuit constituted of: a single dimming input; a pulse width modulation acceptance circuit arranged to convert a pulse width modulated dimming signal received at the single dimming input into a local dimming signal, the local dimming signal exhibiting a predetermined format; an analog voltage level acceptance circuit arranged to convert an analog voltage dimming signal received at the single dimming input into the local dimming signal exhibiting the predetermined format; and a luminaire driving circuit responsive to the local dimming signal.Type: GrantFiled: January 31, 2011Date of Patent: July 9, 2013Assignee: Microsemi CorporationInventors: Shiju Wang, Chien Nguyen, Hwangsoo Choi, Arkadiy Peker, Migel Jacubovski, Alon Ferentz, Dror Korcharz
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Patent number: 8363436Abstract: A start up circuit constituted of: a first alternating current lead; a second alternating current lead, said second alternating current lead exhibiting an opposing phase of said first alternating current lead; a first capacitor, a first end of said first capacitor coupled to said first alternating current lead; a second capacitor, a first end of said second capacitor coupled to said second alternating current lead; a breakdown diode coupled between a second end of said first capacitor and a second end of said second capacitor; and a third capacitor coupled in parallel with said breakdown diode. A direct current power is developed across the breakdown diode without requiring dissipative elements.Type: GrantFiled: December 5, 2010Date of Patent: January 29, 2013Assignee: Microsemi CorporationInventors: Shiju Wang, Chien Nguyen, Hwangsoo Choi
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Patent number: 8008864Abstract: A solid state lighting unit constituted of: a control circuitry; a single string of light emitting diodes, the single string constituted of a plurality of sections each comprising a plurality of light emitting diodes; and a plurality of bypass paths each responsive to the control circuitry, each of the plurality of bypass paths arranged to provide bypass to a particular one of the plurality of sections, wherein the control circuitry is operative to identify an open circuit condition of a particular one of the plurality of sections, and activate the bypass path arranged to bypass the open circuit section, thereby providing light through sections not exhibiting an open circuit condition.Type: GrantFiled: February 5, 2009Date of Patent: August 30, 2011Assignee: Microsemi CorporationInventors: Chien Nguyen, Ekrem Cengelci, Mlchael Tran
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Publication number: 20110187283Abstract: A lighting circuit constituted of: a single dimming input; a pulse width modulation acceptance circuit arranged to convert a pulse width modulated dimming signal received at the single dimming input into a local dimming signal, the local dimming signal exhibiting a predetermined format; an analog voltage level acceptance circuit arranged to convert an analog voltage dimming signal received at the single dimming input into the local dimming signal exhibiting the predetermined format; and a luminaire driving circuit responsive to the local dimming signal.Type: ApplicationFiled: January 31, 2011Publication date: August 4, 2011Applicant: Microsemi CorporationInventors: Shiju WANG, Chien NGUYEN, Hwangsoo CHOI, Arkadiy PEKER, Migel JACUBOVSKI, Alon FERENTZ, Dror KORCHARZ
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Publication number: 20110141775Abstract: A start up circuit constituted of: a first alternating current lead; a second alternating current lead, said second alternating current lead exhibiting an opposing phase of said first alternating current lead; a first capacitor, a first end of said first capacitor coupled to said first alternating current lead; a second capacitor, a first end of said second capacitor coupled to said second alternating current lead; a breakdown diode coupled between a second end of said first capacitor and a second end of said second capacitor; and a third capacitor coupled in parallel with said breakdown diode. A direct current power is developed across the breakdown diode without requiring dissipative elements.Type: ApplicationFiled: December 5, 2010Publication date: June 16, 2011Applicant: MICROSEMI CORPORATIONInventors: Shiju WANG, Chien NGUYEN, Hwangsoo CHOI
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Patent number: 7890551Abstract: Techniques and systems, including computer program products, for providing timely file change notification. In general, in one implementation, the technique includes a recorder that records changes to one or more files in a file system and a broker that receives and responds to change notification request from external applications. The recording of changes can be system- initiated and can pertain to changes occurring anywhere in the file system. The recorder and broker can perform asynchronously from each other and can persist independently of the external applications.Type: GrantFiled: January 13, 2003Date of Patent: February 15, 2011Assignee: NetApp, Inc.Inventors: Stephen Benelisha, Brent Miller, Barnaby Falls, Chien Nguyen, Amod P. Bodas
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Publication number: 20090195163Abstract: A solid state lighting unit constituted of: a control circuitry; a single string of light emitting diodes, the single string constituted of a plurality of sections each comprising a plurality of light emitting diodes; and a plurality of bypass paths each responsive to the control circuitry, each of the plurality of bypass paths arranged to provide bypass to a particular one of the plurality of sections, wherein the control circuitry is operative to identify an open circuit condition of a particular one of the plurality of sections, and activate the bypass path arranged to bypass the open circuit section, thereby providing light through sections not exhibiting an open circuit condition.Type: ApplicationFiled: February 5, 2009Publication date: August 6, 2009Applicant: MICROSEMI CORPORATIONInventors: Chien NGUYEN, Ekrem CENGELCI, Michael TRAN
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Publication number: 20030144990Abstract: Methods and systems, including computer program products, for active file change notification. A system in accordance with the invention includes a recorder that records changes to one or more files in a file system and a broker that receives and responds to change notification request from external applications. The recording of changes can be system-initiated and can pertain to changes occurring anywhere in the file system. The recorder and broker can perform asynchronously from each other and can persist independently of the external applications.Type: ApplicationFiled: January 13, 2003Publication date: July 31, 2003Inventors: Stephen Benelisha, Brent Miller, Barnaby Falls, Chien Nguyen, Amod P. Bodas
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Patent number: 6445599Abstract: Ripple canceling, soft switching isolated DC/DC converters with reduced voltage stress synchronous rectification. The converters include interleaved switching converters providing power to a node supplying power to a zero volt switching bi-phase power conversion stage driving synchronous rectifiers feeding an output filter. In one embodiment, the interleaved converters are boost mode converters operating in continuous conduction mode boost converters. Various embodiments are disclosed.Type: GrantFiled: March 29, 2001Date of Patent: September 3, 2002Assignee: Maxim Integrated Products, Inc.Inventor: Chien Nguyen
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Patent number: D888268Type: GrantFiled: March 27, 2019Date of Patent: June 23, 2020Assignee: IRTRONIX, INC.Inventors: Danny Oh, Alex Lee, John Park, Chien Nguyen