Patents by Inventor Junmou Zhang
Junmou Zhang 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: 12339175Abstract: Disclosed are a temperature measurement circuit and method. The circuit includes a first temperature sensing circuit, a second temperature sensing circuit and a data processing unit. The first temperature sensing circuit is configured to generate a first measurement signal for characterizing a temperature based on an inputted first current signal, a magnitude of the first current signal being correlated to temperature. The second temperature sensing circuit is configured to generate a second measurement signal for characterizing the temperature based on an inputted second current signal, the second current signal being independent of temperature. The data processing unit is configured to determine a current temperature based on a first characteristic parameter corresponding to the first measurement signal and a second characteristic parameter corresponding to the second measurement signal.Type: GrantFiled: May 4, 2022Date of Patent: June 24, 2025Assignee: Lemon Inc.Inventors: Chuang Zhang, Shan Lu, Junmou Zhang, Yimin Chen, Jian Wang, Yuanlin Cheng
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Patent number: 12174232Abstract: A apparatus, method, system and medium are provided. The apparatus includes: a buffer chain, including N first buffers connected end to end, N first AND gates with one input connected to a pulse signal and the other input connected to an output of a corresponding first buffer, and N flip-flops coupled with outputs of respective first AND gates; a path time delay adjustment circuit, with an input receiving a pulse signal, and an output connected to an input terminal of the first buffer; a control apparatus, controlling the time delay produced by the adjustment circuit to be reduced by at least one step from a preset time delay during each adjustment until an output of a Pth flip-flop flips; a measuring device measuring the pulse signal's width according to an output of each flip-flop, the time delay of each first buffer and the time delay of the adjustment circuit.Type: GrantFiled: June 6, 2022Date of Patent: December 24, 2024Assignee: Lemon Inc.Inventors: Junmou Zhang, Dongrong Zhang, Shan Lu, Jian Wang
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Publication number: 20240310418Abstract: Embodiments of the present disclosure provide a device and a method for monitoring power supply voltage of an electronic circuit.Type: ApplicationFiled: March 13, 2024Publication date: September 19, 2024Inventors: Junyan Guo, Weifeng Dong, Mingming Zhang, Chuang Zhang, Junmou Zhang, Shan Lu, Jian Wang
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Publication number: 20240305284Abstract: Embodiments of the present disclosure provide an apparatus and a method for generating a circuit clock signal. The apparatus comprises: a clock buffer configured to buffer an original clock signal to obtain a buffered clock signal; a clock delay unit configured to delay the original clock signal to obtain a plurality of delayed clock signals, the plurality of delayed clock signals being respectively delayed by different amounts of time relative to the original clock signal; a broadened clock generator configured to generate a broadened clock signal based on the original clock signal and the plurality of delayed clock signals, the frequency of the broadened clock signal being lower than that of the original clock signal; and a clock selector configured to select one of the buffered clock signal and the broadened clock signal as the circuit clock signal based on a selection signal.Type: ApplicationFiled: March 6, 2024Publication date: September 12, 2024Inventors: Junyan GUO, Mingming ZHANG, An ZHAO, Junmou ZHANG, Chuang ZHANG, Shan LU, Jian WANG
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Patent number: 12072356Abstract: A voltage detection circuit and method for an integrated circuit, and an integrated circuit are provided. The voltage detection circuit includes: a first current source, a first branch and a second branch. A current outputted by the first current source is allocated to the first branch and the second branch. The first branch includes a first voltage control current component and a first load connected in series. The second branch includes a current signal detection component and a second load connected in series. A voltage signal to be detected is inputted to a control signal input terminal of the first voltage control current component. The current signal detection component is configured to output, in real time, a preset signal characterizing a second current flowing through the second branch, to determine change of the voltage signal to be detected based on the preset signal.Type: GrantFiled: May 5, 2022Date of Patent: August 27, 2024Assignee: Lemon Inc.Inventors: Junmou Zhang, Shan Lu, Chuang Zhang, Yimin Chen, Jian Wang, Yuanlin Cheng
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Publication number: 20240256450Abstract: A storage circuit, a chip, a data processing method, and an electronic device are disclosed. The storage circuit includes: an input control circuit and a memory. The input control circuit is configured to: receive n input data and an input control signal; perform first data processing on the n input data based on the input control signal to obtain n intermediate data corresponding to the n input data one by one; and write the n intermediate data and a sign signal corresponding to the n input data into the memory; the memory is configured to store the n intermediate data and the sign signal; different values of the sign signal respectively represent different processing processes of the first data processing, and n is a positive integer.Type: ApplicationFiled: April 11, 2024Publication date: August 1, 2024Inventors: Junmou Zhang, Dongrong Zhang, Shan Lu, Jian Wang
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Patent number: 12013804Abstract: An integrated circuit, and a data processing device and method are provided. The integrated circuit includes a processor circuit and an accelerator circuit. The processor circuit includes a processor, a first data storage section, and a first data input/output interface. The accelerator circuit includes an accelerator and a second data input/output interface. The second data input/output interface is electrically connected to the first data input/output interface, so that the accelerator circuit can perform information interaction with the first data storage section.Type: GrantFiled: May 5, 2022Date of Patent: June 18, 2024Assignee: Lemon Inc.Inventors: Yimin Chen, Shan Lu, Junmou Zhang, Chuang Zhang, Yuanlin Cheng, Jian Wang
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Patent number: 11983110Abstract: A storage circuit, a chip, a data processing method, and an electronic device are disclosed. The storage circuit includes: an input control circuit and a memory. The input control circuit is configured to: receive n input data and an input control signal; perform first data processing on the n input data based on the input control signal to obtain n intermediate data corresponding to the n input data one by one; and write the n intermediate data and a sign signal corresponding to the n input data into the memory; the memory is configured to store the n intermediate data and the sign signal; different values of the sign signal respectively represent different processing processes of the first data processing, and n is a positive integer.Type: GrantFiled: June 27, 2022Date of Patent: May 14, 2024Assignee: Lemon Inc.Inventors: Junmou Zhang, Dongrong Zhang, Shan Lu, Jian Wang
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Publication number: 20240152474Abstract: An on-chip integrated circuit, a data processing device and a method are provided. The on-chip integrated circuit includes: a processor circuit and an accelerator circuit. The processor circuit includes a processor and a data storage area, the processor is connected to the data storage area through a first bus in the processor circuit. The accelerator circuit includes an accelerator and a second bus, the accelerator is connected to the second bus, and the second bus is bridged with the first bus corresponding to the data storage area, to perform data interaction between the accelerator and the data storage area, which can reduce the congestion on a bus of the processor and improve the quality of service of the application.Type: ApplicationFiled: January 17, 2024Publication date: May 9, 2024Inventors: Yimin CHEN, Shan LU, Chuang ZHANG, Junmou ZHANG, Yuanlin CHENG, Jian WANG
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Patent number: 11914540Abstract: An on-chip integrated circuit, a data processing device and a method are provided. The on-chip integrated circuit includes: a processor circuit and an accelerator circuit. The processor circuit includes a processor and a data storage area, the processor is connected to the data storage area through a first bus in the processor circuit. The accelerator circuit includes an accelerator and a second bus, the accelerator is connected to the second bus, and the second bus is bridged with the first bus corresponding to the data storage area, to perform data interaction between the accelerator and the data storage area, which can reduce the congestion on a bus of the processor and improve the quality of service of the application.Type: GrantFiled: May 5, 2022Date of Patent: February 27, 2024Assignee: Lemon Inc.Inventors: Yimin Chen, Shan Lu, Chuang Zhang, Junmou Zhang, Yuanlin Cheng, Jian Wang
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Patent number: 11761996Abstract: The application provides an apparatus, a system, a detector and a detection method for power supply voltage detection.Type: GrantFiled: April 29, 2022Date of Patent: September 19, 2023Assignee: Lemon Inc.Inventors: Junmou Zhang, Dongrong Zhang, Shan Lu, Jian Wang
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Publication number: 20230003781Abstract: A apparatus, method, system and medium are provided. The apparatus includes: a buffer chain, including N first buffers connected end to end, N first AND gates with one input connected to a pulse signal and the other input connected to an output of a corresponding first buffer, and N flip-flops coupled with outputs of respective first AND gates; a path time delay adjustment circuit, with an input receiving a pulse signal, and an output connected to an input terminal of the first buffer; a control apparatus, controlling the time delay produced by the adjustment circuit to be reduced by at least one step from a preset time delay during each adjustment until an output of a Pth flip-flop flips; a measuring device measuring the pulse signal's width according to an output of each flip-flop, the time delay of each first buffer and the time delay of the adjustment circuit.Type: ApplicationFiled: June 6, 2022Publication date: January 5, 2023Inventors: Junmou Zhang, Dongrong Zhang, Shan Lu, Jian Wang
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Publication number: 20230004490Abstract: A storage circuit, a chip, a data processing method, and an electronic device are disclosed. The storage circuit includes: an input control circuit and a memory. The input control circuit is configured to: receive n input data and an input control signal; perform first data processing on the n input data based on the input control signal to obtain n intermediate data corresponding to the n input data one by one; and write the n intermediate data and a sign signal corresponding to the n input data into the memory; the memory is configured to store the n intermediate data and the sign signal; different values of the sign signal respectively represent different processing processes of the first data processing, and n is a positive integer.Type: ApplicationFiled: June 27, 2022Publication date: January 5, 2023Inventors: Junmou Zhang, Dongrong Zhang, Shan Lu, Jian Wang
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Publication number: 20220357215Abstract: Disclosed are a temperature measurement circuit and method. The circuit includes a first temperature sensing circuit, a second temperature sensing circuit and a data processing unit. The first temperature sensing circuit is configured to generate a first measurement signal for characterizing a temperature based on an inputted first current signal, a magnitude of the first current signal being correlated to temperature. The second temperature sensing circuit is configured to generate a second measurement signal for characterizing the temperature based on an inputted second current signal, the second current signal being independent of temperature. The data processing unit is configured to determine a current temperature based on a first characteristic parameter corresponding to the first measurement signal and a second characteristic parameter corresponding to the second measurement signal.Type: ApplicationFiled: May 4, 2022Publication date: November 10, 2022Inventors: Chuang ZHANG, Shan LU, Junmou ZHANG, Yimin CHEN, Jian WANG, Yuanlin CHENG
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Publication number: 20220358184Abstract: A matrix multiplication circuit module and a matrix multiplication method are provided by the embodiments of the present disclosure. The circuit module includes one or more row-column calculation units for realizing row-column multiplication calculation. Each of the row-column calculation units comprises one or more multiplying units and an adding unit. Each of the one or more multiplying unit has an output end connected to an input end of the adding unit. Each of the multiplying units comprises an electrical signal regulating subunit and a load. The electrical signal regulating subunit is configured to regulate a magnitude of an input electrical signal. A multiplication operation is performed by the electrical signal regulating subunit and the load in response to an electrical signal inputted to the multiplying unit. The load has a fixed load value.Type: ApplicationFiled: May 4, 2022Publication date: November 10, 2022Inventors: Chuang ZHANG, Shan LU, Junmou ZHANG, Yimin CHEN, Jian WANG, Yuanlin CHENG
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Publication number: 20220357370Abstract: A voltage detection circuit and method for an integrated circuit, and an integrated circuit are provided. The voltage detection circuit includes: a first current source, a first branch and a second branch. A current outputted by the first current source is allocated to the first branch and the second branch. The first branch includes a first voltage control current component and a first load connected in series. The second branch includes a current signal detection component and a second load connected in series. A voltage signal to be detected is inputted to a control signal input terminal of the first voltage control current component. The current signal detection component is configured to output, in real time, a preset signal characterizing a second current flowing through the second branch, to determine change of the voltage signal to be detected based on the preset signal.Type: ApplicationFiled: May 5, 2022Publication date: November 10, 2022Inventors: Junmou ZHANG, Shan LU, Chuang ZHANG, Yimin CHEN, Jian WANG, Yuanlin CHENG
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Publication number: 20220357377Abstract: The application provides an apparatus, a system, a detector and a method. The apparatus includes: a power supply voltage detector, including: N buffers, an input terminal of a first buffer being connected to a clock signal, output terminals of other buffers being connected to the input terminal of an adjacent buffer; N latch chains, each of which includes M latches, a clock input terminal of each latch being connected to a clock signal, a D terminal of a first latch of each latch chain being connected to the output terminal of a corresponding buffer, Q terminals of other latches being connected to the D terminal of an adjacent latch, M and N being positive integers, the D terminal of each latch being connected to an area where a power supply voltage is to be detected; and a voltage regulation module connected to the Q terminal of each latch.Type: ApplicationFiled: April 29, 2022Publication date: November 10, 2022Inventors: Junmou ZHANG, Dongrong ZHANG, Shan LU, Jian WANG
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Publication number: 20220358078Abstract: An integrated circuit, and a data processing device and method are provided. The integrated circuit includes a processor circuit and an accelerator circuit. The processor circuit includes a processor, a first data storage section, and a first data input/output interface. The accelerator circuit includes an accelerator and a second data input/output interface. The second data input/output interface is electrically connected to the first data input/output interface, so that the accelerator circuit can perform information interaction with the first data storage section.Type: ApplicationFiled: May 5, 2022Publication date: November 10, 2022Inventors: Yimin CHEN, Shan LU, Junmou ZHANG, Chuang ZHANG, Yuanlin CHENG, Jian WANG
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Publication number: 20220357924Abstract: A circuit module for performing matrix multiplication and a method for performing matrix multiplication are provided. The circuit module includes a row-column calculation unit for performing a row-column multiplication calculation. The row-column calculation unit includes a multiplication unit and an addition unit. The multiplication unit is configured to perform a multiplication calculation based on a row matrix element of a first matrix and a column matrix element of a second matrix, and receive at least one electrical signal sequentially inputted in multiple predetermined timing sequences via an input end of the multiplication unit. The electrical signal represents the row matrix element of the first matrix. The addition unit is configured to accumulate a product, obtained by the multiplication unit based on the inputted electrical signal, to perform the row-column multiplication calculation.Type: ApplicationFiled: May 5, 2022Publication date: November 10, 2022Inventors: Chuang ZHANG, Shan LU, Junmou ZHANG, Yimin CHEN, Yuanlin CHENG, Jian WANG
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Publication number: 20220358071Abstract: An on-chip integrated circuit, a data processing device and a method are provided. The on-chip integrated circuit includes: a processor circuit and an accelerator circuit. The processor circuit includes a processor and a data storage area, the processor is connected to the data storage area through a first bus in the processor circuit. The accelerator circuit includes an accelerator and a second bus, the accelerator is connected to the second bus, and the second bus is bridged with the first bus corresponding to the data storage area, to perform data interaction between the accelerator and the data storage area, which can reduce the congestion on a bus of the processor and improve the quality of service of the application.Type: ApplicationFiled: May 5, 2022Publication date: November 10, 2022Inventors: Yimin CHEN, Shan LU, Chuang ZHANG, Junmou ZHANG, Yuanlin CHENG, Jian WANG