Patents by Inventor Ralph H. Johnson, III
Ralph H. Johnson, III 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: 10528109Abstract: A computer-implemented method enables determining an input power load for a multi voltage rail subsystem in an electronic device such as an information handing system. The method comprises determining a first output power value from a first voltage regulator and a second output power value from a second voltage regulator. A first input power value to the first voltage regulator is determined based at least partially on the first output power value and a second input power value to the second voltage regulator is determined based at least partially on the second output power value. An offset power value is calculated based on the first input power value and the second input power value. A total input power value is calculated based on the offset power value and a third input power value. The total input power value is transmitted to a processor.Type: GrantFiled: June 9, 2014Date of Patent: January 7, 2020Assignee: Dell Products, L.P.Inventors: Shiguo Luo, John Erven Jenne, Ralph H. Johnson, III
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Patent number: 10108252Abstract: A voltage regulator for delivering power to a processor subsystem within an information handling system is disclosed. The voltage regulator includes an interface to an embedded controller for receiving a linear load line impedance and an intelligent load line controller. The intelligent load line controller may enable linear load line control, determine that a nonlinear load line condition is satisfied, and enable nonlinear load line control based on the determination that the nonlinear load line condition is satisfied.Type: GrantFiled: March 3, 2016Date of Patent: October 23, 2018Assignee: Dell Products L.P.Inventors: Kejiu Zhang, Shiguo Luo, Ralph H. Johnson, III, Hang Li
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Patent number: 9852485Abstract: In accordance with embodiments of the present disclosure, a method may include communicating a first message to an information handling system such that receipt of the first message by the information handling system causes the information handling system to cause a power supply unit integral to the information handling system to experience a perturbation in an electrical current associated with the power supply unit and receiving a second message from a power distribution unit via an outlet integral to the power distribution unit, the second message indicative of a response to the perturbation of a measured electrical parameter of the outlet.Type: GrantFiled: March 24, 2015Date of Patent: December 26, 2017Assignee: Dell Products L.P.Inventors: Lei Wang, Mehran Mirjafari, John J. Breen, Ralph H. Johnson, III
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Publication number: 20170255251Abstract: A voltage regulator for delivering power to a processor subsystem within an information handling system is disclosed. The voltage regulator includes an interface to an embedded controller for receiving a linear load line impedance and an intelligent load line controller. The intelligent load line controller may enable linear load line control, determine that a nonlinear load line condition is satisfied, and enable nonlinear load line control based on the determination that the nonlinear load line condition is satisfied.Type: ApplicationFiled: March 3, 2016Publication date: September 7, 2017Inventors: Kejiu Zhang, Shiguo Luo, Ralph H. Johnson, III, Hang Li
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Patent number: 9612603Abstract: A voltage regulator calibrator analyzes voltage regulator output and compares the output with known electrical loads. The calibrator selects a known electrical load, applies the known electrical load to a voltage regulator, receives from the voltage regulator measured output power characteristics of the voltage regulator, compares the known electrical load with the measured output power characteristics, and generates a voltage regulator adjustment value based on the compared values. Embodiments of the present disclosure also include a method for calibrating, the method including selecting a known electrical load, applying the known electrical load to a voltage regulator, receiving measured output power characteristics of the voltage regulator, comparing the known electrical load with the measured output power characteristics, and generating a voltage regulator adjustment value based on the compared values.Type: GrantFiled: July 17, 2014Date of Patent: April 4, 2017Assignee: Dell Products, L.P.Inventors: George G. Richards, III, Abey K. Mathew, John E. Jenne, Ralph H. Johnson, III
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Patent number: 9606598Abstract: A voltage regulator may be tuned to reduce consumption of electrical power. An installed configuration of a dual inline memory module is used to load test the voltage regulator. Results of the load test may then reveal tuning parameters that make the voltage regulator more efficient.Type: GrantFiled: June 3, 2015Date of Patent: March 28, 2017Assignee: DELL PRODUCTS, LPInventors: Shiguo Luo, Ralph H. Johnson, III, John E. Jenne
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Publication number: 20160357234Abstract: A voltage regulator may be tuned to reduce consumption of electrical power. An installed configuration of a dual inline memory module is used to load test the voltage regulator. Results of the load test may then reveal tuning parameters that make the voltage regulator more efficient.Type: ApplicationFiled: June 3, 2015Publication date: December 8, 2016Inventors: Shiguo Luo, Ralph H. Johnson, III, John E. Jenne
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Publication number: 20160282823Abstract: In accordance with embodiments of the present disclosure, a method may include communicating a first message to an information handling system such that receipt of the first message by the information handling system causes the information handling system to cause a power supply unit integral to the information handling system to experience a perturbation in an electrical current associated with the power supply unit and receiving a second message from a power distribution unit via an outlet integral to the power distribution unit, the second message indicative of a response to the perturbation of a measured electrical parameter of the outlet.Type: ApplicationFiled: March 24, 2015Publication date: September 29, 2016Inventors: Lei Wang, Mehran Mirjafari, John J. Breen, Ralph H. Johnson, III
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Patent number: 9329211Abstract: A system and method of measuring real-time current is disclosed. The method includes calibrating a voltage measurement device. Calibrating includes measuring a real-time voltage difference between a first measurement node located proximate a first connector on a motherboard and a second measurement node located proximate a second connector on a power supply unit (PSU), the first and the second connectors coupled to provide power to the motherboard. Calibrating further includes averaging the real-time voltage difference for a plurality of measurements; computing a resistance of the coupling based at least on a long-duration averaged current from the PSU and the averaged real-time voltage difference, the resistance varying over time; and reporting the resistance of the coupling to the voltage measurement device. The method also includes measuring a real-time current of the PSU at the voltage measurement device based at least on the resistance of the coupling and the real-time voltage difference.Type: GrantFiled: July 17, 2015Date of Patent: May 3, 2016Assignee: Dell Products L.P.Inventors: Shiguo Luo, Ralph H. Johnson, III, James L. Petivan, III, Hang Li
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Publication number: 20160018833Abstract: A voltage regulator calibrator analyzes voltage regulator output and compares the output with known electrical loads. The calibrator selects a known electrical load, applies the known electrical load to a voltage regulator, receives from the voltage regulator measured output power characteristics of the voltage regulator, compares the known electrical load with the measured output power characteristics, and generates a voltage regulator adjustment value based on the compared values. Embodiments of the present disclosure also include a method for calibrating, the method including selecting a known electrical load, applying the known electrical load to a voltage regulator, receiving measured output power characteristics of the voltage regulator, comparing the known electrical load with the measured output power characteristics, and generating a voltage regulator adjustment value based on the compared values.Type: ApplicationFiled: July 17, 2014Publication date: January 21, 2016Applicant: DELL PRODUCTS, L.P.Inventors: George G. Richards, III, Abey K. Mathew, John E. Jenne, Ralph H. Johnson, III
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Publication number: 20150355698Abstract: A computer-implemented method enables determining an input power load for a multi voltage rail subsystem in an electronic device such as an information handing system. The method comprises determining a first output power value from a first voltage regulator and a second output power value from a second voltage regulator. A first input power value to the first voltage regulator is determined based at least partially on the first output power value and a second input power value to the second voltage regulator is determined based at least partially on the second output power value. An offset power value is calculated based on the first input power value and the second input power value. A total input power value is calculated based on the offset power value and a third input power value. The total input power value is transmitted to a processor.Type: ApplicationFiled: June 9, 2014Publication date: December 10, 2015Applicant: DELL PRODUCTS, L.P.Inventors: SHIGUO LUO, JOHN ERVEN JENNE, RALPH H. JOHNSON, III
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Publication number: 20150323572Abstract: A system and method of measuring real-time current is disclosed. The method includes calibrating a voltage measurement device. Calibrating includes measuring a real-time voltage difference between a first measurement node located proximate a first connector on a motherboard and a second measurement node located proximate a second connector on a power supply unit (PSU), the first and the second connectors coupled to provide power to the motherboard. Calibrating further includes averaging the real-time voltage difference for a plurality of measurements; computing a resistance of the coupling based at least on a long-duration averaged current from the PSU and the averaged real-time voltage difference, the resistance varying over time; and reporting the resistance of the coupling to the voltage measurement device. The method also includes measuring a real-time current of the PSU at the voltage measurement device based at least on the resistance of the coupling and the real-time voltage difference.Type: ApplicationFiled: July 17, 2015Publication date: November 12, 2015Inventors: Shiguo Luo, Ralph H. Johnson, III, James L. Petivan, III, Hang Li
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Patent number: 9122472Abstract: A system and method of measuring real-time current is disclosed. The method includes calibrating a voltage measurement device. Calibrating includes measuring a real-time voltage difference between a first measurement node located proximate a first connector on a motherboard and a second measurement node located proximate a second connector on a power supply unit (PSU), the first and the second connectors coupled to provide power to the motherboard. Calibrating further includes averaging the real-time voltage difference for a plurality of measurements; computing a resistance of the coupling based at least on a long-duration averaged current from the PSU and the averaged real-time voltage difference, the resistance varying over time; and reporting the resistance of the coupling to the voltage measurement device. The method also includes measuring a real-time current of the PSU at the voltage measurement device based at least on the resistance of the coupling and the real-time voltage difference.Type: GrantFiled: March 6, 2013Date of Patent: September 1, 2015Assignee: Dell Products L.P.Inventors: Shiguo Luo, Ralph H. Johnson, III, James L. Petivan, III, Hang Li
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Publication number: 20140253101Abstract: A system and method of measuring real-time current is disclosed. The method includes calibrating a voltage measurement device. Calibrating includes measuring a real-time voltage difference between a first measurement node located proximate a first connector on a motherboard and a second measurement node located proximate a second connector on a power supply unit (PSU), the first and the second connectors coupled to provide power to the motherboard. Calibrating further includes averaging the real-time voltage difference for a plurality of measurements; computing a resistance of the coupling based at least on a long-duration averaged current from the PSU and the averaged real-time voltage difference, the resistance varying over time; and reporting the resistance of the coupling to the voltage measurement device. The method also includes measuring a real-time current of the PSU at the voltage measurement device based at least on the resistance of the coupling and the real-time voltage difference.Type: ApplicationFiled: March 6, 2013Publication date: September 11, 2014Inventors: Shiguo Luo, Ralph H. Johnson, III, James L. Petivan, III, Hang Li