Patents by Inventor Gilbert Lee
Gilbert Lee 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: 20230238901Abstract: A system may include a first node having a first mechanical energy storage unit (MESU) located in a first geographical location, the first node being coupled for communication with an energy as a service (EaaS) platform. A system may include a second node having a second MESU located in a second geographical location that is distinct from the first geographical location, the second node being coupled for communication with the EaaS platform, wherein the first MESU of the first node and the second MESU of the second node are each configured to send a power banking status to the EaaS platform and to extract or bank power based on signals received from the EaaS platform.Type: ApplicationFiled: January 27, 2023Publication date: July 27, 2023Inventors: Nathan Walkingshaw, Gilbert Lee
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Patent number: 9846469Abstract: A fault tolerant power supply system includes at least one load switch circuit configured to connect, using a main switch, an input voltage to an output node of the load switch circuit when the load switch circuit is turned on and at least one power channel coupled to the load switch circuit to receive the input voltage. The power channel is configured as a buck converter and includes at least a high-side power switch and a low-side power switch. The fault tolerant power supply system is configured to measure a current flowing through the main switch of the load switch circuit, to determine that the current flowing through the main switch of the load switch circuit has exceeded a current limit threshold, and to disable the main switch of the load switch circuit and the low-side power switch of the power channel in response to the determination that the current flowing in the main switch has exceeded the current limit threshold.Type: GrantFiled: May 16, 2016Date of Patent: December 19, 2017Assignee: Alpha and Omega Semiconductor IncorporatedInventors: Mark Tomas, Zhiye Zhang, Allen Chang, Kuang Ming Chang, Gilbert Lee, Son Tran
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Patent number: 9705395Abstract: A fault tolerant power supply system includes at least one load switch configured to connect an input voltage to an output node of the load switch when the load switch is turned on and at least one power channel coupled to the load switch to receive the input voltage. The power channel is configured as a buck converter and includes at least a high-side power switch and a low-side power switch. The fault tolerant power supply system is configured to measure a current flowing through the low-side power switch, to determine that the current flowing through the low-side power switch has exceeded a current limit threshold, and to disable the low-side power switch and the load switch in response to the determination that the current flowing in the low-side power switch has exceeded the current limit threshold.Type: GrantFiled: July 7, 2015Date of Patent: July 11, 2017Assignee: Alpha and Omega Semiconductor IncorporatedInventors: Mark Tomas, Zhiye Zhang, Allen Chang, Kuang Ming Chang, Gilbert Lee
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Patent number: 9488206Abstract: A rivet includes a pin member having a head and a lock groove, and a lock ring having a flange. The flange of the lock ring is swaged into the lock groove of the pin member and transformed to a bead that engages the lock groove, and a portion of an outer surface of the lock ring deforms and is rotated inwardly. The rivet is installed within a structure such that the head of the pin member is flush with an outer surface of a panel and the portion of the outer surface of the lock ring is flush with an outer surface of another panel. The pin member includes a frangible portion that breaks off when the rivet is installed.Type: GrantFiled: September 10, 2014Date of Patent: November 8, 2016Assignee: Alcoa Inc.Inventors: Thomas Brennetot, Arnoldo Gutierrez, Gilbert Lee, Gerhart Hufnagl, Randy Torrence
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Publication number: 20160259390Abstract: A fault tolerant power supply system includes at least one load switch circuit configured to connect, using a main switch, an input voltage to an output node of the load switch circuit when the load switch circuit is turned on and at least one power channel coupled to the load switch circuit to receive the input voltage. The power channel is configured as a buck converter and includes at least a high-side power switch and a low-side power switch. The fault tolerant power supply system is configured to measure a current flowing through the main switch of the load switch circuit, to determine that the current flowing through the main switch of the load switch circuit has exceeded a current limit threshold, and to disable the main switch of the load switch circuit and the low-side power switch of the power channel in response to the determination that the current flowing in the main switch has exceeded the current limit threshold.Type: ApplicationFiled: May 16, 2016Publication date: September 8, 2016Inventors: Mark Tomas, Zhiye Zhang, Allen Chang, Kuang Ming Chang, Gilbert Lee, Son Tran
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Patent number: 9367111Abstract: A fault tolerant power supply system includes at least one load switch circuit configured to connect, using a main switch, an input voltage to an output node of the load switch circuit when the load switch circuit is turned on and at least one power channel coupled to the load switch circuit to receive the input voltage. The power channel is configured as a buck converter and includes at least a high-side power switch and a low-side power switch. The fault tolerant power supply system is configured to measure a current flowing through the main switch of the load switch circuit, to determine that the current flowing through the main switch of the load switch circuit has exceeded a current limit threshold, and to disable the main switch of the load switch circuit and the low-side power switch of the power channel in response to the determination that the current flowing in the main switch has exceeded the current limit threshold.Type: GrantFiled: July 24, 2013Date of Patent: June 14, 2016Assignee: Alpha and Omega Semiconductor IncorporatedInventors: Mark Tomas, Zhiye Zhang, Allen Chang, Kuang Ming Chang, Gilbert Lee, Son Tran
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Publication number: 20160049876Abstract: A synchronous rectifier comprising a discrete switching device and a controller for controlling the discrete switching device both mounted on a common die pad and packaged in a single package. The packaging of the discrete switching device and the controller together in a single package provides shortest path of connection between the ports of the controller and the switching device, enabling the controller to accurately sense voltage across the switching device thereby avoiding the effect of parasitic inductances and enabling the controller to enable/disable the switching device at the precise time, resulting in improved power consumption and better efficiency.Type: ApplicationFiled: August 12, 2014Publication date: February 18, 2016Inventors: Gilbert Lee, James Park, Xiaotian Zhang, Benjamin Pun, Yu Ding, Alex Kim, Wayne F. Eng, Kuang Ming Chang, Xiaobin Wang
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Publication number: 20150339615Abstract: An individual can be recognized using recognition messages. Recognition messages can be sent and received using a mobile or other computing device. These recognition messages, which can be in the form of recognition certificates, can include skill icons which identify a characteristic for which the receiving individual is being recognized. The recognition messages may also include or be linked with gift cards to show appreciation to the receiving individual. The ability for employees to include gift cards or the value of included gift cards can be controlled based on a gift card budget and privileges specified by a company.Type: ApplicationFiled: May 20, 2015Publication date: November 26, 2015Inventors: Nathan Walkingshaw, Gilbert Lee, Bryan Bishop
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Publication number: 20150311780Abstract: A fault tolerant power supply system includes at least one load switch configured to connect an input voltage to an output node of the load switch when the load switch is turned on and at least one power channel coupled to the load switch to receive the input voltage. The power channel is configured as a buck converter and includes at least a high-side power switch and a low-side power switch. The fault tolerant power supply system is configured to measure a current flowing through the low-side power switch, to determine that the current flowing through the low-side power switch has exceeded a current limit threshold, and to disable the low-side power switch and the load switch in response to the determination that the current flowing in the low-side power switch has exceeded the current limit threshold.Type: ApplicationFiled: July 7, 2015Publication date: October 29, 2015Inventors: Mark Tomas, Zhiye Zhang, Allen Chang, Kuang Ming Chang, Gilbert Lee
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Publication number: 20150255930Abstract: An interface for protecting electronic devices from external Electric Over-Stress (EOS), Electromagnetic Interference (EMI) and Electrostatic Discharge (ESD) is disclosed. The interface is coupled to a PCB having electronic circuits. The interface device comprises a plurality of conducting lines for establishing electrical communication with the circuits on the PCB, wherein each conducting line has a distinct potential; and protection components connected to the conducting lines in the interface to shunt the EOS/EMI/ESD energy therethrough in the event of EOS occurring on the conducting lines.Type: ApplicationFiled: March 4, 2014Publication date: September 10, 2015Inventor: Gilbert Lee
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Patent number: 9106075Abstract: A fault tolerant power supply system includes at least one load switch configured to connect an input voltage to an output node of the load switch when the load switch is turned on and at least one power channel coupled to the load switch to receive the input voltage. The power channel is configured as a buck converter and includes at least a high-side power switch and a low-side power switch. The fault tolerant power supply system is configured to measure a current flowing through the low-side power switch, to determine that the current flowing through the low-side power switch has exceeded a current limit threshold, and to disable the low-side power switch and the load switch in response to the determination that the current flowing in the low-side power switch has exceeded the current limit threshold.Type: GrantFiled: July 24, 2013Date of Patent: August 11, 2015Assignee: Alpha and Omega Semiconductor IncorporatedInventors: Mark Tomas, Zhiye Zhang, Allen Chang, Kuang Ming Chang, Gilbert Lee
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Publication number: 20150078856Abstract: A rivet includes a pin member having a head and a lock groove, and a lock ring having a flange. The flange of the lock ring is swaged into the lock groove of the pin member and transformed to a bead that engages the lock groove, and a portion of an outer surface of the lock ring deforms and is rotated inwardly. The rivet is installed within a structure such that the head of the pin member is flush with an outer surface of a panel and the portion of the outer surface of the lock ring is flush with an outer surface of another panel. The pin member includes a frangible portion that breaks off when the rivet is installed.Type: ApplicationFiled: September 10, 2014Publication date: March 19, 2015Applicant: ALCOA INC.Inventors: Thomas Brennetot, Arnoldo Gutierrez, Gilbert Lee, Gerhart Hufnagl, Randy Torrence
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Publication number: 20140277802Abstract: A fault tolerant power supply system includes at least one load switch circuit configured to connect, using a main switch, an input voltage to an output node of the load switch circuit when the load switch circuit is turned on and at least one power channel coupled to the load switch circuit to receive the input voltage. The power channel is configured as a buck converter and includes at least a high-side power switch and a low-side power switch. The fault tolerant power supply system is configured to measure a current flowing through the main switch of the load switch circuit, to determine that the current flowing through the main switch of the load switch circuit has exceeded a current limit threshold, and to disable the main switch of the load switch circuit and the low-side power switch of the power channel in response to the determination that the current flowing in the main switch has exceeded the current limit threshold.Type: ApplicationFiled: July 24, 2013Publication date: September 18, 2014Applicant: Alpha and Omega Semiconductor IncorporatedInventors: Mark Tomas, Zhiye Zhang, Allen Chang, Kuang Ming Chang, Gilbert Lee, Son Tran
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Publication number: 20140268939Abstract: A fault tolerant power supply system includes at least one load switch configured to connect an input voltage to an output node of the load switch when the load switch is turned on and at least one power channel coupled to the load switch to receive the input voltage. The power channel is configured as a buck converter and includes at least a high-side power switch and a low-side power switch. The fault tolerant power supply system is configured to measure a current flowing through the low-side power switch, to determine that the current flowing through the low-side power switch has exceeded a current limit threshold, and to disable the low-side power switch and the load switch in response to the determination that the current flowing in the low-side power switch has exceeded the current limit threshold.Type: ApplicationFiled: July 24, 2013Publication date: September 18, 2014Applicant: Alpha and Omega Semiconductor IncorporatedInventors: Mark Tomas, Zhiye Zhang, Allen Chang, Kuang Ming Chang, Gilbert Lee
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Publication number: 20110179121Abstract: A method for broadcast message management includes receiving, at a registration server, a registration comprising a first plurality of communication channels by a registration server, the first plurality of communication channels comprising a first communication channel and a second communication channel, the first communication channel being associated with a first service provider, the second communication channel being associated with a second service provider; and providing the registration by the registration server to the first service provider, such that a status notification for a broadcast message, the broadcast message being received by a second plurality of communication channels comprising the first communication channel and the second communication channel, is sent to the second service provider from the first service provider.Type: ApplicationFiled: January 20, 2010Publication date: July 21, 2011Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Yuk Chan, Dwifuzi Coe, Gilbert Lee, Michael Wang
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Publication number: 20050123373Abstract: A blind fastener for securing a plurality of workpieces is provided that has a sleeve, and a pin member. In an alternate embodiment, the blind fastener has a sleeve, a pin member and a nut. The sleeves have a head with a plurality of rearwardly sloping recesses disposed therein. The recesses are adapted to be engaged with a plurality of rearwardly sloping nibs disposed on one end of a nose secured to an installation tool. The pin members have a splined head adapted to be engaged with a splined driver secured to an installation tool. Use of the splined head on the pin member, the splined driver, rearwardly sloping recesses on the sleeve, and rearwardly sloping nibs on the nose eliminates camming out of the nibs from the recesses during installation of the blind fastener. A nose assembly for installation of the blind fastener is also provided.Type: ApplicationFiled: January 10, 2005Publication date: June 9, 2005Inventors: Gerhart Hufnagl, Gilbert Lee, Randall Torrence