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公开(公告)号：US20210342169A1
公开(公告)日：2021-11-04
申请号：US16861780
申请日：2020-04-29
摘要： A technique includes a baseboard management controller receiving, from a requestor, a request for a security function to be performed, where the request is directed to a physical security device other than the baseboard management controller. The technique includes, the baseboard management controller responding to the request to emulate a response to the security device to the request.
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公开(公告)号：US10474606B2
公开(公告)日：2019-11-12
申请号：US15436015
申请日：2017-02-17
发明人： Theodore F. Emerson , David F. Heinrich , Richard Wei Chieh Yu , Robert L. Noonan , Christopher J. Frantz , Sze Hau Loh
摘要： Various examples described herein provide for a management controller that includes a virtual universal serial bus (USB) host controller that can emulate an actual USB host controller to a central processor. A particular endpoint from a number of endpoints is associated with a virtual USB device that is coupled to the virtual USB host controller. The particular endpoint is to refer to a location in a management memory.
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公开(公告)号：US09959592B2
公开(公告)日：2018-05-01
申请号：US15064247
申请日：2016-03-08
发明人： Sze Hau Loh , Theodore F. Emerson
CPC分类号： G06T1/60 , G09G5/003 , G09G2330/022 , G09G2370/042
摘要： A method performed by a physical computing system, the method includes disabling a display refresh process of a video controller of the physical computing system if no active display device is connected to the physical computing system. A physical computing system includes a video controller comprising a rendering engine and a display refresh controller; a memory controller connected to a memory; and a display controller to determine whether an active display device is connected to the physical computing system; in which a display refresh process performed by the display refresh controller is disabled when no active display device is connected to the physical computing system.
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公开(公告)号：US20180239728A1
公开(公告)日：2018-08-23
申请号：US15436015
申请日：2017-02-17
发明人： Theodore F. Emerson , David F. Heinrich , Richard Wei Chieh Yu , Robert L. Noonan , Christopher J. Frantz , Sze Hau Loh
CPC分类号： G06F13/385 , G06F9/4411 , G06F9/455 , G06F13/105 , G06F13/28 , G06F13/426 , G06F13/4282 , G06F2213/0042
摘要： Various examples described herein provide for a management controller that includes a virtual universal serial bus (USB) host controller that can emulate an actual USB host controller to a central processor. A particular endpoint from a number of endpoints is associated with a virtual USB device that is coupled to the virtual USB host controller. The particular endpoint is to refer to a location in a management memory.
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公开(公告)号：US20180211358A1
公开(公告)日：2018-07-26
申请号：US15928352
申请日：2018-03-22
发明人： Sze Hau Loh , Theodore F. Emerson
CPC分类号： G06T1/60 , G09G5/003 , G09G2330/022 , G09G2370/042
摘要： A method performed by a physical computing system, the method includes disabling a display refresh process of a video controller of the physical computing system if no active display device is connected to the physical computing system. A physical computing system includes a video controller comprising a rendering engine and a display refresh controller; a memory controller connected to a memory; and a display controller to determine whether an active display device is connected to the physical computing system; in which a display refresh process performed by the display refresh controller is disabled when no active display device is connected to the physical computing system.
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公开(公告)号：US11551635B2
公开(公告)日：2023-01-10
申请号：US16943472
申请日：2020-07-30
摘要： A process includes controlling a current source to cause the current source to provide a plurality of different currents at different times to an output communication line of a video display interface; and acquiring a plurality of voltages corresponding to the plurality of different currents. Acquiring the plurality of voltages includes sampling a voltage of the output communication line. The process includes comparing the plurality of voltages to a plurality of voltage thresholds; and based on a result of the comparison, determining whether the video display interface is coupled to a cable-based far end termination.
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公开(公告)号：US11409858B2
公开(公告)日：2022-08-09
申请号：US16409929
申请日：2019-05-13
发明人： Luis E. Luciani, Jr. , Sze Hau Loh
摘要： In some examples, a scanner that is to verify a device includes a scanner input/output (I/O) interface to physically and communicatively connect to a device I/O interface of the device. The scanner includes a processor to send an input through the scanner I/O interface to the device, receive, at the scanner I/O interface, an output responsive to the input from the device, the output comprising a cryptographic value based on a cryptographic operation applied on data of the input, and determine whether the device is an authorized device based on the received output.
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公开(公告)号：US20220036852A1
公开(公告)日：2022-02-03
申请号：US16943472
申请日：2020-07-30
摘要： A process includes controlling a current source to cause the current source to provide a plurality of different currents at different times to an output communication line of a video display interface; and acquiring a plurality of voltages corresponding to the plurality of different currents. Acquiring the plurality of voltages includes sampling a voltage of the output communication line. The process includes comparing the plurality of voltages to a plurality of voltage thresholds; and based on a result of the comparison, determining whether the video display interface is coupled to a cable-based far end termination.
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公开(公告)号：US20180073514A1
公开(公告)日：2018-03-15
申请号：US15264889
申请日：2016-09-14
发明人： Kai Zhang , Rachel Pollock , Sze Hau Loh
CPC分类号： F04D27/008 , F04D25/08 , F04D25/166 , F04D29/329 , F05B2240/20 , F05D2260/902
摘要： In various examples, a device comprises a fan. The fan comprises a rotor hub, and a linear solenoid. The linear solenoid comprises a magnetic coil, a pin, and a spring surrounding the pin to bias the pin. Responsive to the fan losing power, the solenoid to: cause the pin to contact the rotor hub to cause the rotor hub to stop spinning.
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公开(公告)号：US20180017064A1
公开(公告)日：2018-01-18
申请号：US15210192
申请日：2016-07-14
发明人： Rachel Pollock , Sze Hau Loh , Richard A. Bargerhuff , Giang Tran , Kai Zhang
CPC分类号： F04D27/001 , F05D2230/72
摘要： In various examples, a fan comprises a fan rotor, logic, and a component electrically coupled to the fan rotor to control operation of the fan rotor. The logic may determine that the component has failed. Responsive to determining that the component has failed, the logic to cause a backup component to apply power to the fan rotor, wherein applying the power causes blades of the fan to reduce spinning.
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