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公开(公告)号：US12242326B2
公开(公告)日：2025-03-04
申请号：US17894600
申请日：2022-08-24
Applicant: Google LLC
Inventor： Xiong Li , Xin Li , Qiong Wang , Kaushik Vaidyanathan , Chenhao Nan , Robert Ashby Armistead, III
IPC: G06F1/32 , G06F1/3296
Abstract: The technology is generally directed to a coordinated power throttling mechanism for a payload using power provided by a rack such that the rack power does not exceed a threshold amount for greater than a predetermined period of time. The coordinated power throttling mechanism includes the rack providing a power throttling signal to the payload and the payload executing the power throttling upon detection of the throttling signal. The payload may detect the throttling signal and, after a delay, execute the power throttling. The delay may ensure that all payloads within the rack have detected the power throttling signal.
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公开(公告)号：US20240395453A1
公开(公告)日：2024-11-28
申请号：US18798347
申请日：2024-08-08
Applicant: Google LLC
Inventor： Chenhao Nan , Houle Gan , Runruo Chen , Qiong Wang , Xin Li
Abstract: The subject matter described herein provides systems and techniques for the integration of TLVR technology in a vertical power VR module. A multiple-secondary TLVR topology using a controlled leakage inductance in the place of a separate compensation inductor, Lc, may be employed for the vertical power VR module. In addition, the capacitance inside the device to which the TLVR based vertical power VR module supplies power, rather than an output capacitance board, may be used in order to allow the module to be a single layer. Example structures that may include one or more primary windings and/or one or more secondary windings for each of possibly multiple linked phases of the TLVR based module are provided. The windings may be formed using traditional copper windings or printed circuit board (PCB) copper trace winding.
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公开(公告)号：US11361046B2
公开(公告)日：2022-06-14
申请号：US16798019
申请日：2020-02-21
Applicant: Google LLC
IPC: G06F3/00 , G06F16/955 , H04L67/75 , H04L41/16 , H04L67/50 , H04L69/329 , H04L67/63 , G06N20/00 , H04L67/02 , G06F11/34 , G06F11/30
Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for identifying broken network connections. In one aspect, a system includes front-end server(s) that receive data specifying, for multiple different user interactions with one or more application links that link to a given application, presentation durations specifying how long application content linked to by the application link was presented following the multiple different user interactions with the application link(s). Back-end server(s) that communicate with the front end server(s) can classify each application link as broken or working based on application of a machine learning model to the presentation durations for the application link. The machine learning model can be generated using labeled training data. The back-end server(s) can generate and output an alert identifying an application link as a broken link based on the application link being classified as broken by the machine learning model.
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公开(公告)号：US10381822B2
公开(公告)日：2019-08-13
申请号：US15375833
申请日：2016-12-12
Applicant: Google LLC
Abstract: A protection circuits for server racks may include an Oring circuit having a first MOSFET, a first diode, and first and second comparators. Each of the first and second comparators supports a maximum voltage difference that is less than an operational voltage of the power supply. The protection circuit also includes a clamping circuit having a second MOSFET and a second diode. Each of the first and second comparators is configured to compare voltage at the first MOSFET with voltage at the second MOSFET. The first comparator is configured to switch the first MOSFET to an off condition using the comparison, and the second comparator is configured to switch the first MOSFET to an on condition using the comparison. The second MOSFET is configured to clamp a node of each of the first and second comparators to below the maximum in the event of a short at the power supply.
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公开(公告)号：US20240203630A1
公开(公告)日：2024-06-20
申请号：US18590577
申请日：2024-02-28
Applicant: Google LLC
Inventor： Houle Gan , Shuai Jiang , Gregory Sizikov , Xin Li , Chee Yee Chung
CPC classification number: H01F17/0006 , H05K5/0069
Abstract: 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.
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Patent Agency Ranking
公开(公告)号：US20240120847A1
公开(公告)日：2024-04-11
申请号：US17961264
申请日：2022-10-06
Applicant: Google LLC
Inventor： Shuai Jiang , Xin Li , Woon-Seong Kwon , Cheng Chung Yang , Qiong Wang , Nam Hoon Kim , Mikhail Popovich , Houle Gan , Chenhao Nan
CPC classification number: H02M3/33576 , H02M1/0067 , H02M3/33571
Abstract: A voltage regulator having a multiple of main stages and at least one accelerated voltage regulator (AVR) bridge is provided. The main stages may respond to low frequency current transients and provide DC output voltage regulation. The AVR bridges are switched much faster than the main stages and respond to high frequency current transients without regulating the DC output voltage. The AVR bridge frequency response range can overlap with the main stage frequency response range, and the lowest frequency to which the AVR bridges respond may be set lower than the highest frequency to which the main stages respond.
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公开(公告)号：US11948716B1
公开(公告)日：2024-04-02
申请号：US16800776
申请日：2020-02-25
Applicant: Google LLC
Inventor： Houle Gan , Shuai Jiang , Gregory Sizikov , Xin Li , Chee Yee Chung
CPC classification number: H01F17/0006 , H05K5/0069
Abstract: 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.
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公开(公告)号：US11853381B2
公开(公告)日：2023-12-26
申请号：US17098016
申请日：2020-11-13
Applicant: Google LLC
Inventor： Xin Li , Yixin Wang , Benedict Liang , Dharminder Singh
IPC: G06F16/00 , G06F16/957 , G06F16/903 , G06F16/9032 , G06F16/9035
CPC classification number: G06F16/9574 , G06F16/9035 , G06F16/90324 , G06F16/90332 , G06F16/90335
Abstract: Techniques of this disclosure are directed to enable a computing device to process voice queries and provide query answers even when the computing device and vehicle do not have internet connectivity. According to the disclosed techniques, a computing device may detect a query via input devices of the computing device and output a query answer determined based on the detected query. Rather than directly querying a remote computing system, various aspects of the techniques of this disclosure may enable the computing device to use a query answer cache to generate the query answer. The query answer cache may include predicted queries and query answers retrieved from a query answer cache of a remote computing system, thereby enabling the computing device to respond to the detected queries while experiencing unreliable internet connection.
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9.发明公开公开(公告)号：US20230318456A1
公开(公告)日：2023-10-05
申请号：US17712648
申请日：2022-04-04
Applicant: Google LLC
Inventor： Chenhao Nan , Qiong Wang , Kaushik Vaidyanathan , Houle Gan , Xin Li
CPC classification number: H02M3/158 , H02M1/0009
Abstract: Controlling voltage supplied to a load includes predicting a load current transient, generating a turbo signal in response to predicting the load current transient, and increasing, in response to the turbo signal, responsiveness of a voltage regulator supplying voltage to the load.
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公开(公告)号：US20210104910A1
公开(公告)日：2021-04-08
申请号：US16594704
申请日：2019-10-07
Applicant: Google LLC
Inventor： Xiong Li , Xin Li , Philippe H. Gow , Qiong Wang
Abstract: Methods, systems, and apparatus, for powering AC and DC loads in the event of a power failure. In one aspect, a system includes one or more DC loads that are powered by DC power, one or more AC loads that are powered by AC power, and an uninterruptible power supply (UPS). The UPS includes AC terminals connected to an AC power source and to the one or more AC loads to power the AC loads, DC terminals connected to a backup battery and to the one or more DC loads to power the DC loads a bidirectional AC/DC converter connected between the AC terminals and the DC terminals, and a controller that selectively switches the bidirectional AC/DC converter to the first mode when the AC power source is available and to the second mode when the AC power source is not available.
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