Patents by Inventor Chee Yee
Chee Yee 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: 20240203630Abstract: The disclosure relates to power modules that include elevated inductors with capacitors disposed under the inductors. In one aspect, a power module includes a first circuit board having a first surface and a second surface opposite the first surface. One or more inductors are mounted on the first surface. Each of the one or more inductors includes a top surface and a bottom surface opposite the top surface and that faces the first surface of the first circuit board. Each inductor is elevated above the first surface of the first circuit board such that at least a portion of the bottom surface of the inductor does not contact the first surface of the first circuit board. The first circuit board includes capacitors arranged in an area below the portion of the bottom surface of the inductor that does not contact the first surface of the first circuit board.Type: ApplicationFiled: February 28, 2024Publication date: June 20, 2024Inventors: Houle Gan, Shuai Jiang, Gregory Sizikov, Xin Li, Chee Yee Chung
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Patent number: 11948716Abstract: The disclosure relates to power modules that include elevated inductors with capacitors disposed under the inductors. In one aspect, a power module includes a first circuit board having a first surface and a second surface opposite the first surface. One or more inductors are mounted on the first surface. Each of the one or more inductors includes a top surface and a bottom surface opposite the top surface and that faces the first surface of the first circuit board. Each inductor is elevated above the first surface of the first circuit board such that at least a portion of the bottom surface of the inductor does not contact the first surface of the first circuit board. The first circuit board includes capacitors arranged in an area below the portion of the bottom surface of the inductor that does not contact the first surface of the first circuit board.Type: GrantFiled: February 25, 2020Date of Patent: April 2, 2024Assignee: Google LLCInventors: Houle Gan, Shuai Jiang, Gregory Sizikov, Xin Li, Chee Yee Chung
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Patent number: 11552634Abstract: An apparatus that includes an interposer, first power connectors that are disposed on a first surface and that receive respective power inputs from one or more power sources, second power connectors that are disposed on the second surface and that receive a respective third power connecter of an integrated circuit when the integrated circuit is mounted on the second surface of the interposer, a plurality of switches formed within the interposer, control circuitry formed within the interposer, and a sequencer circuit coupled to the control input of the control circuitry and that generates a different values for a control input signal that causes the control logic of the control circuitry to generate a corresponding set of switch signals, and the plurality of different values for the control input signal are generated according to a predefined sequence to provide power to the integrated circuit according to power up sequence.Type: GrantFiled: July 6, 2020Date of Patent: January 10, 2023Assignee: Google LLCInventors: Houle Gan, Mikhail Popovich, Shuai Jiang, Gregory Sizikov, Chee Yee Chung
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Publication number: 20210036702Abstract: An apparatus that includes an interposer, first power connectors that are disposed on a first surface and that receive respective power inputs from one or more power sources, second power connectors that are disposed on the second surface and that receive a respective third power connecter of an integrated circuit when the integrated circuit is mounted on the second surface of the interposer, a plurality of switches formed within the interposer, control circuitry formed within the interposer, and a sequencer circuit coupled to the control input of the control circuitry and that generates a different values for a control input signal that causes the control logic of the control circuitry to generate a corresponding set of switch signals, and the plurality of different values for the control input signal are generated according to a predefined sequence to provide power to the integrated circuit according to power up sequence.Type: ApplicationFiled: July 6, 2020Publication date: February 4, 2021Inventors: Houle Gan, Mikhail Popovich, Shuai Jiang, Gregory Sizikov, Chee Yee Chung
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Patent number: 10905038Abstract: An electromagnetic interference (“EMI”) sheet attenuator includes a planar conductive layer, a first flexible substrate and a second flexible substrate. The first flexible substrate overlies the metal backing layer and including a conductive pattern on a surface of the first flexible substrate. The second flexible substrate overlies the first flexible substrate and also includes the conductive pattern. The conductive pattern on the second flexible substrate is aligned with the conductive pattern on the first flexible substrate.Type: GrantFiled: November 19, 2019Date of Patent: January 26, 2021Assignee: Google LLCInventors: Federico Pio Centola, Zuowei Shen, Xu Gao, Shawn Emory Bender, Melanie Beauchemin, Mark Villegas, Gregory Sizikov, Chee Yee Chung
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Patent number: 10742211Abstract: An apparatus that includes an interposer, first power connectors that are disposed on a first surface and that receive respective power inputs from one or more power sources, second power connectors that are disposed on the second surface and that receive a respective third power connector of an integrated circuit when the integrated circuit is mounted on the second surface of the interposer, a plurality of switches formed within the interposer, control circuitry formed within the interposer, and a sequencer circuit coupled to the control input of the control circuitry and that generates a different values for a control input signal that causes the control logic of the control circuitry to generate a corresponding set of switch signals, and the plurality of different values for the control input signal are generated according to a predefined sequence to provide power to the integrated circuit according to power up sequence.Type: GrantFiled: July 31, 2019Date of Patent: August 11, 2020Assignee: Google LLCInventors: Houle Gan, Mikhail Popovich, Shuai Jiang, Gregory Sizikov, Chee Yee Chung
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Patent number: 10312813Abstract: An apparatus that includes first and second parallel converter branches, each parallel converter branch including an input node, N output nodes, a plurality of switches, a converter output node, and control logic. The control logic generates a first set of switch signals to control the switches of the first parallel converter branch and a second set of switch signals to control the second parallel converter branch, the first set switch signals and the second set of switch signals having respective duty cycles to cause each of the first and second parallel converter branches to output the DC output voltage on each of the N output nodes.Type: GrantFiled: October 25, 2018Date of Patent: June 4, 2019Assignee: Google LLCInventors: Shuai Jiang, Chee Yee Chung, Xin Li
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Publication number: 20190068061Abstract: An apparatus that includes first and second parallel converter branches, each parallel converter branch including an input node, N output nodes, a plurality of switches, a converter output node, and control logic. The control logic generates a first set of switch signals to control the switches of the first parallel converter branch and a second set of switch signals to control the second parallel converter branch, the first set switch signals and the second set of switch signals having respective duty cycles to cause each of the first and second parallel converter branches to output the DC output voltage on each of the N output nodes.Type: ApplicationFiled: October 25, 2018Publication date: February 28, 2019Applicant: Google LLCInventors: Shuai Jiang, Chee Yee Chung, Xin Li
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Patent number: 10141849Abstract: An apparatus that includes first and second parallel converter branches, each parallel converter branch including an input node, N output nodes, a plurality of switches, a converter output node, and control logic. The control logic generates a first set of switch signals to control the switches of the first parallel converter branch and a second set of switch signals to control the second parallel converter branch, the first set switch signals and the second set of switch signals having respective duty cycles to cause each of the first and second parallel converter branches to output the DC output voltage on each of the N output nodes.Type: GrantFiled: August 11, 2017Date of Patent: November 27, 2018Assignee: Google LLCInventors: Shuai Jiang, Chee Yee Chung, Xin Li
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Patent number: 9686873Abstract: A housing for a portable electronic device including a first transparent curved portion configured to curve from a front face of the housing to a first side face of the housing; a second transparent curved portion configured to curve from the front face of the housing to a second side face of the housing; a third transparent curved portion configured to curve from a rear face of the housing to the first side face of the housing; and a fourth transparent curved portion configured to curve from the rear face of the housing to the second side face of the housing.Type: GrantFiled: June 24, 2015Date of Patent: June 20, 2017Assignee: Nokia Technologies OyInventors: Damian Mycroft, Chee Yee Wong, Robert Lihou, Mark Newman
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Publication number: 20160352389Abstract: A power-line adaptor comprising a communication interface configured to provide bidirectional communication with a camera via a communication connector and a power interface coupled to the communication interface and configured to connect to a power line via a power-line connector, the power interface being further configured to transmit data received from the camera via the communication interface over the power line and to transmit data received over the power line to the camera via the communication interface.Type: ApplicationFiled: May 26, 2015Publication date: December 1, 2016Inventors: Chee Yee Chong, George Lee
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Patent number: 9401346Abstract: An optical bus of an integrated circuit comprises: a polymer waveguide, a micromirror, and an optical coupler. The polymer waveguide is disposed in a via formed through at least one die layer of the integrated circuit comprising an active circuit. The micromirror is disposed adjacent to the via and optically coupled to the polymer waveguide. The optical coupler is connected to the polymer waveguide to couple the active circuit to the optical bus. A stacked integrated circuit is described comprising such an optical bus. A method of fabricating a rear 45° micromirror on a silicon substrate that can be used in the optical bus is also described. Furthermore, alignment/lock mechanisms for use in a stacked integrated circuit comprising first and second silicon substrates are described.Type: GrantFiled: January 9, 2015Date of Patent: July 26, 2016Inventors: Chee Yee Kwok, Aron Michael, Yiwei Xu
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Publication number: 20150296635Abstract: A housing for a portable electronic device including a first transparent curved portion configured to curve from a front face of the housing to a first side face of the housing; a second transparent curved portion configured to curve from the front face of the housing to a second side face of the housing; a third transparent curved portion configured to curve from a rear face of the housing to the first side face of the housing; and a fourth transparent curved portion configured to curve from the rear face of the housing to the second side face of the housing.Type: ApplicationFiled: June 24, 2015Publication date: October 15, 2015Inventors: Damian Mycroft, Chee Yee Wong, Robert Lihou, Mark Newman
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Patent number: 9119293Abstract: A housing for a portable electronic device including a first transparent curved portion configured to curve from a front face of the housing to a first side face of the housing; a second transparent curved portion configured to curve from the front face of the housing to a second side face of the housing; a third transparent curved portion configured to curve from a rear face of the housing to the first side face of the housing; and a fourth transparent curved portion configured to curve from the rear face of the housing to the second side face of the housing.Type: GrantFiled: March 18, 2010Date of Patent: August 25, 2015Assignee: Nokia Technologies OyInventors: Damian Mycroft, Chee Yee Wong, Robert John Lihou, Mark Newman
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Publication number: 20150206856Abstract: An optical bus of an integrated circuit comprises: a polymer waveguide, a micromirror, and an optical coupler. The polymer waveguide is disposed in a via formed through at least one die layer of the integrated circuit comprising an active circuit. The micromirror is disposed adjacent to the via and optically coupled to the polymer waveguide. The optical coupler is connected to the polymer waveguide to couple the active circuit to the optical bus. A stacked integrated circuit is described comprising such an optical bus. A method of fabricating a rear 45° micromirror on a silicon substrate that can be used in the optical bus is also described. Furthermore, alignment/lock mechanisms for use in a stacked integrated circuit comprising first and second silicon substrates are described.Type: ApplicationFiled: January 9, 2015Publication date: July 23, 2015Inventors: Chee Yee KWOK, Aron MICHAEL, Yiwei XU
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Patent number: 9066418Abstract: A housing for a portable electronic device including a first transparent curved portion configured to curve from a front face of the housing to a first side face of the housing; a second transparent curved portion configured to curve from the front face of the housing to a second side face of the housing; a third transparent curved portion configured to curve from a rear face of the housing to the first side face of the housing; and a fourth transparent curved portion configured to curve from the rear face of the housing to the second side face of the housing.Type: GrantFiled: March 18, 2010Date of Patent: June 23, 2015Assignee: Nokia Technologies OyInventors: Damian Mycroft, Chee Yee Wong, Robert John Lihou, Mark Newman
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Patent number: 8958667Abstract: An optical bus (130) of an integrated circuit (100) comprises: a polymer waveguide (112), a micromirror (114, 116), and an optical coupler (120). The polymer waveguide (112) is disposed in a via (110) formed through at least one die layer (102, 104, 106) of the integrated circuit (100) comprising an active circuit (210). The micromirror (114) is disposed adjacent to the via (110) and optically coupled to the polymer waveguide (112). The optical coupler (120) is connected to the polymer waveguide (112) to couple the active circuit (210) to the optical bus (130). A stacked integrated circuit (100) is described comprising such an optical bus (130). A method (800) of fabricating a rear 45° micromirror on a silicon substrate that can be used in the optical bus (130) is also described. Furthermore, alignment/lock mechanisms for use in a stacked integrated circuit comprising first and second silicon substrates are described.Type: GrantFiled: July 4, 2011Date of Patent: February 17, 2015Inventors: Chee Yee Kwok, Aron Michael, Yiwei Xu
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Patent number: 8866364Abstract: Disclosed is a piezo-electrically actuated micro-mechanical deformable member comprising a corrugated longitudinal beam (521) formed in a substrate, and having a first anchored end (502) and a second end (509), as well as a plurality of piezoelectric film (PZET) actuating segments (522, 523, 524) formed in or on at least some grooves and ridges of the corrugated beam, the beam (521) being configured to assume one of a number of different geometric configurations depending upon which of a corresponding set of electric actuation signals (105) are applied to the PZET elements, the electric actuation signals establishing corresponding electric fields in the associated PZET segments to thereby deform the member.Type: GrantFiled: July 4, 2011Date of Patent: October 21, 2014Inventors: Aron Michael, Chee Yee Kwok
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Publication number: 20130114149Abstract: Disclosed is a piezo-electrically actuated micro-mechanical deformable member comprising a corrugated longitudinal beam (521) formed in a substrate, and having a first anchored end (502) and a second end (509), as well as a plurality of piezoelectric film (PZET) actuating segments (522, 523, 524) formed in or on at least some grooves and ridges of the corrugated beam, the beam (521) being configured to assume one of a number of different geometric configurations depending upon which of a corresponding set of electric actuation signals (105) are applied to the PZET elements, the electric actuation signals establishing corresponding electric fields in the associated PZET segments to thereby deform the member.Type: ApplicationFiled: July 4, 2011Publication date: May 9, 2013Inventors: Aron Michael, Chee Yee Kwok
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Publication number: 20130108211Abstract: An optical bus (130) of an integrated circuit (100) comprises: a polymer waveguide (112), a micromirror (114, 116), and an optical coupler (120). The polymer waveguide (112) is disposed in a via (110) formed through at least one die layer (102, 104, 106) of the integrated circuit (100) comprising an active circuit (210). The micromirror (114) is disposed adjacent to the via (110) and optically coupled to the polymer waveguide (112). The optical coupler (120) is connected to the polymer waveguide (112) to couple the active circuit (210) to the optical bus (130). A stacked integrated circuit (100) is described comprising such an optical bus (130). A method (800) of fabricating a rear 45° micromirror on a silicon substrate that can be used in the optical bus (130) is also described. Furthermore, alignment/lock mechanisms for use in a stacked integrated circuit comprising first and second silicon substrates are described.Type: ApplicationFiled: July 4, 2011Publication date: May 2, 2013Inventors: Chee Yee Kwok, Aron Michael, Yiwei Xu