Patents Examined by V. Trans
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Patent number: 11949340Abstract: A conversion device includes a primary side circuit, a secondary side circuit, a transformer, and a control circuit. The primary side circuit includes a primary side switch and is configured to receive an input voltage. The secondary side circuit outputs an output voltage to a load. The transformer comprises a primary winding and a secondary winding, the primary winding is electrically coupled to the primary side circuit and the secondary winding electrically coupled to the secondary side circuit. The control circuit is configured to control a peak value of the current of the primary side switch, to be limited in a band range.Type: GrantFiled: November 20, 2020Date of Patent: April 2, 2024Assignee: DELTA ELECTRONICS, INC.Inventors: Hai-Bin Song, Qi Fu, Jian Zhou, Dao-Fei Xu, Jin-Fa Zhang
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Patent number: 11949786Abstract: Embodiments decrypt or partially decrypt an encoded message or a private key, the encoded message or private key encoded by a public-key cryptography algorithm. Embodiments encode the public-key cryptography algorithm using a language of a program synthesizer and construct a grammar for the program synthesizer. Embodiments train the program synthesizer with training data comprising input-output pairs and execute the trained program synthesizer to generate a mathematical formula. Embodiments validate the generated mathematical formula and then perform the decrypting using the trained and validated program synthesizer.Type: GrantFiled: September 23, 2021Date of Patent: April 2, 2024Assignee: Oracle International CorporationInventors: Dharmalingam Ganesan, David M. Clifton
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Patent number: 11949173Abstract: An antenna system mounted on a vehicle, according to the present specification, is provided. The antenna system can include: a main radiator formed on an antenna board and configured to be electrically connected to a feeding part; and a parasitic radiator formed to be spaced a predetermined distance apart from the main radiator so that a signal from the main radiator is gap-coupled. The parasitic radiator is electrically connected to a ground through a ground connection part, the main radiator operates in a first mode, and the parasitic radiator can operate in a second mode.Type: GrantFiled: August 25, 2020Date of Patent: April 2, 2024Assignee: LG ELECTRONICS INC.Inventors: Changil Kim, Changwon Yun
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Patent number: 11940829Abstract: A voltage regulator and method. The voltage regulator includes a first amplifier having: a first input couplable to a reference voltage; a second input coupled to a feedback path; a current mirror; first and second branches coupled to an input and output of the current mirror. A node of the second branch forms an output of the first amplifier. The voltage regulator includes a second amplifier comprising a transistor having: a first terminal couplable to a supply voltage; a gate coupled to the output of the first amplifier; and a second terminal coupled to an output of the voltage regulator. The feedback path is coupled to the output of the voltage regulator. The voltage regulator includes a compensation network having at least one passive component to reduce variations in an output current of the voltage regulator caused by the parasitic capacitance of the transistor and variations in the supply voltage.Type: GrantFiled: March 4, 2021Date of Patent: March 26, 2024Assignee: SCALINXInventors: Lionel Guiraud, Nguyen Trieu Luan Le
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Patent number: 11941660Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for providing conversion path performance measures and reports. In one aspect, user interaction data are obtained, were the user interaction data specify user interactions for a plurality of conversions. User interactions that are associated with each conversion are selected from the user interaction data, where the associated user interactions for each conversion are user interactions with a converting user during the conversion cycle for the conversion. Using the user interaction data for the selected user interactions, a quantity of user interactions that are associated with each conversion and occurred during the conversion cycle for the conversion are determined. In turn, conversion path performance measures are computed and reports specifying the conversion path performance measures are generated.Type: GrantFiled: March 17, 2022Date of Patent: March 26, 2024Assignee: Google LLCInventors: Sissie Ling-Ie Hsiao, Chao Cai, Eric W. Ewald, Cameron M. Tangney, Robert A. Walker, II, Japjit Tulsi, Ming Lei, Zhimin He
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Patent number: 11940832Abstract: A first error is determined between a bandgap reference output voltage of a bandgap reference circuit at a first temperature and a target voltage. A second temperature of the bandgap reference circuit is measured. A bandgap reference output voltage of the bandgap reference circuit is predicted at the second temperature and based on the first error. A second error is determined between the bandgap reference output voltage and the target voltage. A trim parameter of the bandgap reference circuit is determined based on the second error. The bandgap reference circuit is set with the trim parameter, where a third error between a bandgap reference output voltage of the bandgap reference with the trim parameter is less than the second error.Type: GrantFiled: October 28, 2021Date of Patent: March 26, 2024Assignee: NXP B.V.Inventors: Matthias Rose, Maxim Kulesh, Neha Goel
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Patent number: 11940825Abstract: A voltage divider circuit includes at least two FDSOI transistors (TP1, TP2) of a first type connected to a first supply potential and arranged in a current mirror structure, two FDSOI transistors (TN1, TN2) of a second type and an electrical load (R), the drain of a first—respectively second—transistor (TN1) of the second type being connected to the drain of a first—respectively second—transistor (TP1) of the first type, the drain of the first transistor of the second type being connected to the front-face gate of this same transistor, the front-face gates of the first and second transistors of the second type being connected to one another, the source of the first transistor of the second type being connected to a second supply potential and the load being placed between the source of the second transistor of the second type and the second supply potential.Type: GrantFiled: December 4, 2020Date of Patent: March 26, 2024Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventor: Anthony Quelen
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Patent number: 11942780Abstract: A clamping circuit for protection against ESD events is described. In accordance with one exemplary embodiment, the circuit comprises the following: a first transistor having a control terminal and a load current path connected between a first contact and a second contact; an amplifier circuit having an amplifier input and an amplifier output connected to the control terminal of the transistor; and a trigger circuit, which is connected between the first contact and the second contact, and comprises a second transistor. The trigger circuit is configured to generate a voltage swing at the amplifier input as a reaction to a discharge current at the first contact by virtue of the fact that at least part of the discharge current drives a control terminal of the second transistor via an intrinsic capacitance of the second transistor.Type: GrantFiled: January 12, 2021Date of Patent: March 26, 2024Assignee: Infineon Technologies AGInventors: Andreas Rupp, Michael Ammer, Gabriel-Dumitru Cretu
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Patent number: 11942872Abstract: The present application discloses a multi-path resonant circuit and a resonant converter. The multi-path resonant circuit includes at least two parallel N-phase resonant circuits, wherein N is an integer greater than or equal to 3. The at least two parallel N-phase resonant circuits include a first N-phase resonant circuit and a second N-phase resonant circuit. A first resonant inductor in any phase resonant circuit of the first N-phase resonant circuit is coupled with a second resonant inductor in any phase resonant circuit of the second N-phase resonant circuit. In this way, current sharing of the multi-path resonant circuit can be realized through a simpler structure.Type: GrantFiled: February 6, 2023Date of Patent: March 26, 2024Assignee: GUANGDONG SOFAR SMART SOLAR TECHNOLOGY CO., LTD.Inventors: Lei Chang, Xinwei Liu, Dongdong Yang, Hongyuan Jin
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Patent number: 11942858Abstract: A switching arrangement for reducing contactor wear of an energy storage system having a plurality of battery packs arranged in parallel for powering a load. The switching arrangement includes a contactor for each battery pack. The contactors connect and disconnect the battery packs relative to the load by closing and opening, respectively, an electric arc reducing circuitry associated to one of the contactors. The switching arrangement is configured to electrically disconnect the battery packs from the load by means of the contactors such that the contactor being associated with the electric arc reducing circuitry is opened last.Type: GrantFiled: April 22, 2022Date of Patent: March 26, 2024Assignee: VOLVO TRUCK CORPORATIONInventors: Anton Klintberg, Faisal Altaf, Tobias Smidebrant
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Patent number: 11942678Abstract: Disclosed is a mechanism for mounting radio heads in close proximity to an antenna on a cell tower. In the examples disclosed, the mounting configurations enable easy access to each of the radios so that they can be serviced individually without interfering with the functioning of the other radio in its communications with the antenna.Type: GrantFiled: October 12, 2021Date of Patent: March 26, 2024Assignee: John Mezzalingua Associates, LLCInventors: Thomas Urtz, Jeremy Benn, Christopher P. Natoli, Shawn M. Chawgo
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Patent number: 11942867Abstract: A method of controlling a multi-phase power converter having a plurality of power stage circuits coupled in parallel, can include: obtaining a load current of the multi-phase power converter; enabling corresponding power stage circuits to operate in accordance with the load current, such that a switching frequency is maintained within a predetermined range when the load current changes; and controlling the power stage circuits to operate under different modes in accordance with the load current, such that the switching frequency is maintained within the predetermined range when the load current changes.Type: GrantFiled: December 22, 2022Date of Patent: March 26, 2024Assignee: Silergy Semiconductor Technology (Hangzhou) LTDInventors: Kaiwei Yao, Zhiyuan Shen
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Patent number: 11940203Abstract: Provided is a refrigerator including a main body including a storeroom, a door body arranged to open or close the storeroom, a decoration panel coupled to a front side of the door body, and a holder mounted on the front side of the door body to be coupled to the decoration panel. The door body includes a rear case defining a rear side of the door body, and a main case defining front and sides of the door body. The main case includes a front part defining the front side of the door body and having an installation groove in which to install the holder, side parts defining sides of the door body, and a rear coupler coupled to the rear case. The main case is formed by bending a single metal board.Type: GrantFiled: July 20, 2022Date of Patent: March 26, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sungdeuk Park, Youngmin Kwon, Jeongman Nam, Seongwoo Kim, Seungho Yoon, Hojun Jeong
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Patent number: 11942926Abstract: A protection circuit for a semiconductor switch has a gate that can be controlled by a gate driver. The protection circuit includes an integrator for detecting a gate charge of the gate and a comparator unit for switching off the semiconductor switch in dependence on the value of the gate charge relative to a reference charge.Type: GrantFiled: February 17, 2020Date of Patent: March 26, 2024Assignee: Siemens AktiengesellschaftInventor: Norbert Stadter
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Patent number: 11936776Abstract: A unique transaction key (Tk) is established amongst multiple entities using a common hardware security module (HSM) with a common HMAC key (HK) and transaction scheme name (T). The transaction key (Tk) can be used for various cryptographic functions (e.g. encryption, MAC, HMAC, key management) with one or more messages at the transaction or session level.Type: GrantFiled: March 6, 2023Date of Patent: March 19, 2024Assignee: Wells Fargo Bank, N.A.Inventors: Phillip H. Griffin, Jeffrey J. Stapleton
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Patent number: 11936306Abstract: In an MMC-based power conversion device, a control device generates, for each leg circuit, a first voltage command value not based on circulating current circulating between a plurality of leg circuits and a second voltage command value based on the circulating current. A plurality of individual controllers are provided respectively corresponding to a plurality of converter cells and generate a gate control signal for controlling turning on and off of a switching element of the corresponding converter cell, based on the first voltage command value and the second voltage command value. When generating the gate control signal using pulse width modulation, each individual controller modulates a carrier signal in accordance with the second voltage command value such that the pulse width of the gate control signal changes in accordance with the second voltage command value.Type: GrantFiled: September 9, 2019Date of Patent: March 19, 2024Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Fuminori Nakamura, Takeshi Kikuchi, Daisuke Yamanaka, Takuya Kajiyama, Toshiyuki Fujii
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Patent number: 11934433Abstract: Methods and systems for generating a search expression. The system begins with an empty search expression, and iteratively expands the search expression until some terminating condition is reached.Type: GrantFiled: September 19, 2022Date of Patent: March 19, 2024Assignee: Rapid7, Inc.Inventors: Viliam Holub, Trevor Parsons
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Patent number: 11934216Abstract: A constant current generation circuit for optocoupler isolation amplifier and a current precision adjustment method are provided. The constant current generation circuit includes a start circuit, a current generation circuit and a precision adjustment and output circuit integrated into a same substrate. The start circuit can generate and output a first start current and a second start current. The current generation circuit includes a negative temperature change rate current generation circuit connected to a first start current output and a positive temperature change rate current generation circuit connected to a second start current output. The precision adjustment and output circuit outputs constant current meeting application requirements of optocoupler isolation amplifier by adjusting proportional precision of two currents output from a current generation circuit.Type: GrantFiled: September 30, 2021Date of Patent: March 19, 2024Assignee: Hefei AICHUANGWEI Electronic Technology Co., Ltd.Inventors: Jun Pan, Lei Qiu, Dianwu Li, Fenfen Ji, Wei Wang, Lei Han, Ke Wang
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Patent number: 11936288Abstract: An AC capacitor is coupled to a totem-pole type PFC circuit. In response to detection of a power input disconnection, the PFC circuit is controlled to discharge the AC capacitor. The PFC circuit includes a resistor and a first MOSFET and a second MOSFET coupled in series between DC output nodes with a common node coupled to the AC capacitor. When the disconnection event is detected, one of the first and second MOSFETs is turned on to discharge the AC capacitor with a current flowing through the resistor and the turned on MOSFET. Furthermore, a thyristor may be simultaneously turned on, with the discharge current flowing through a series coupling of the MOSFET, resistor and thyristor. Disconnection is detected by detecting a zero-crossing failure of an AC power input voltage or lack of input voltage decrease or input current increase in response to MOSFET turn on for a DC input.Type: GrantFiled: December 13, 2021Date of Patent: March 19, 2024Assignees: STMicroelectronics (Tours) SAS, STMicroelectronics LTDInventors: Ghafour Benabdelaziz, Laurent Gonthier
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Patent number: 11936118Abstract: Provided are an antenna system and a network device. In an example, the antenna system includes at least one antenna unit and a control apparatus configured to control the at least one antenna unit to rotate, wherein the control apparatus is connected with the at least one antenna unit and an external control device, receives a rotation instruction from the external control device, and controls the at least one antenna unit to rotate to a target angle according to the received rotation instruction.Type: GrantFiled: January 20, 2020Date of Patent: March 19, 2024Assignee: NEW H3C TECHNOLOGIES CO., LTD.Inventors: Guojun Zhou, Peikun Yang
