Patents by Inventor Dongjie Tang
Dongjie Tang 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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Publication number: 20240212258Abstract: Examples relate to a caching apparatus, a driver apparatus, a transcoding apparatus and to corresponding devices, methods, and computer programs. The caching apparatus comprises an interface for communicating with one or more cloud gaming instances and processing circuitry that is configured to obtain requests for cached transcoded versions of textures to be used in the one or more cloud gaming instances, and to provide the cached transcoded versions of the textures to the one or more cloud gaming instances.Type: ApplicationFiled: December 16, 2021Publication date: June 27, 2024Inventors: Jia BAO, Chao XIE, Yu CHEN, Xiaocheng MAO, Changliang WANG, Yong YAO, Qiming SHI, Dongjie TANG, Hongyu ZHANG
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Patent number: 11983118Abstract: The present disclosure provides a method and apparatus for parsing contiguous system addresses, and an electronic device. The method for parsing contiguous system addresses comprises: acquiring system level information upon receiving contiguous system addresses; acquiring logical address ranges of objects in a first level based on the contiguous system addresses and the system level information; and when successively acquiring logical address ranges of objects in a second level, . . . , or an Nth level of the system, acquiring logical address ranges of objects in a present level based on a logical address range of a previous level and the system level information, wherein N is the number of levels, and N is an integer greater than or equal to 2, and a logical address range of an object comprises a start address and an end address of the object.Type: GrantFiled: December 22, 2021Date of Patent: May 14, 2024Assignee: MONTAGE TECHNOLOGY CO., LTD.Inventors: Qiang Li, Yi Li, Liangliang Niu, Dongjie Tang, Yongjian Lv
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Publication number: 20220214974Abstract: The present disclosure provides a method and apparatus for parsing contiguous system addresses, and an electronic device. The method for parsing contiguous system addresses comprises: acquiring system level information upon receiving contiguous system addresses; acquiring logical address ranges of objects in a first level based on the contiguous system addresses and the system level information; and when successively acquiring logical address ranges of objects in a second level, . . . , or an Nth level of the system, acquiring logical address ranges of objects in a present level based on a logical address range of a previous level and the system level information, wherein N is the number of levels, and N is an integer greater than or equal to 2, and a logical address range of an object comprises a start address and an end address of the object.Type: ApplicationFiled: December 22, 2021Publication date: July 7, 2022Applicant: MONTAGE TECHNOLOGY CO., LTD.Inventors: Qiang LI, Yi LI, Liangliang NIU, Dongjie TANG, Yongjian LV
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Patent number: 10339333Abstract: A method for controlling an application to access a memory includes: receiving a first access request provided by the application and having a first access key; verifying the first access key; generating a second access key for the application if the verification of the first access key is successful; storing the second access key and providing the second access key to the application; receiving a second access request provided by the application and having a target address and a second access key; identifying whether the target address is within a reference address space indicative of a preset storage location of the memory, and verifying the second access key; generating an access control command according to an identification result of whether the target address is within the reference address space and a verification result of the second access key received from the application so as to restrict or permit the application to access the memory.Type: GrantFiled: December 5, 2016Date of Patent: July 2, 2019Assignee: MONTAGE TECHNOLOGY CO., LTD.Inventors: Gang Shan, Yi Li, Dongjie Tang
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Patent number: 10044334Abstract: A power amplifier gain attenuation circuit includes: a gain attenuation (reduction) circuit configured to receive an input signal, an external drive signal and a bias voltage, and output a secondary input signal after attenuating the input signal depending on the drive signal and bias voltage; an amplifier including: a bias input terminal configured to receive a bias voltage; a signal input terminal configured to receive a secondary input signal, and an output terminal configured to output a gained output signal. The power amplifier gain attenuation circuit can reduce a gain effectively, and the amount of phase jump caused by the attenuation is quite small.Type: GrantFiled: December 24, 2017Date of Patent: August 7, 2018Assignee: LANSUS TECHNOLOGIES INC.Inventors: Hua Long, Liyang Zhang, Zhenjuan Cheng, Dongjie Tang, Qian Zhao
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Patent number: 10044335Abstract: A multi-mode multi-band power amplifier includes a controller, a wide-band amplifier channel and a fundamental impedance transformer. The controller receives an external signal and outputs a control signal according to the external signal. The wide-band amplifier channel receives single-band or multi-band RF signals through the input terminal, performs power amplification on the RF signals and outputs the RF signals through the output terminal. The fundamental impedance transformer includes a first segment shared by RF signals in all bands, second segments respectively special for RF signals in all bands, and a switching circuit controlled by the controller to separate RF signals subject to power amplification to the second segment in a switchable manner for multiplexed outputs.Type: GrantFiled: December 26, 2017Date of Patent: August 7, 2018Assignee: LANSUS TECHNOLOGIES INC.Inventors: Hua Long, Liyang Zhang, Zhenjuan Cheng, Dongjie Tang, Qian Zhao
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Publication number: 20180138880Abstract: A power amplifier gain attenuation circuit includes: a gain attenuation (reduction) circuit configured to receive an input signal, an external drive signal and a bias voltage, and output a secondary input signal after attenuating the input signal depending on the drive signal and bias voltage; an amplifier including: a bias input terminal configured to receive a bias voltage; a signal input terminal configured to receive a secondary input signal, and an output terminal configured to output a gained output signal. The power amplifier gain attenuation circuit can reduce a gain effectively, and the amount of phase jump caused by the attenuation is quite small.Type: ApplicationFiled: December 24, 2017Publication date: May 17, 2018Applicant: LANSUS TECHNOLOGIES INC.Inventors: Hua LONG, Liyang ZHANG, Zhenjuan CHENG, Dongjie TANG, Qian ZHAO
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Publication number: 20180138881Abstract: A power amplifier output power control circuit includes a first operational amplifier with a negative input terminal configured to receive a power control signal; a first PMOS transistor with a grid electrode connected to an output terminal of the first operational amplifier, a source electrode connected to an external power source, and a drain electrode grounded via a voltage dividing network; a power amplifier with a power end connected to the drain electrode of the first PMOS transistor, an input terminal configured to access to a signal to be amplified, and an output terminal configured to amplify the signal; and a current sampling circuit configured to produce sampling current after sampling current across the first PMOS transistor and providing a negative feedback signal for the positive input terminal of the first operational amplifier according to the sampling current such that total output power of the power amplifier keeps unchanged.Type: ApplicationFiled: December 25, 2017Publication date: May 17, 2018Applicant: LANSUS TECHNOLOGIES INC.Inventors: Hua LONG, Liyang ZHANG, Zhenjuan CHENG, Dongjie TANG, Qian ZHAO
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Patent number: 9973164Abstract: A power amplifier output power control circuit includes a first operational amplifier with a negative input terminal configured to receive a power control signal; a first PMOS transistor with a grid electrode connected to an output terminal of the first operational amplifier, a source electrode connected to an external power source, and a drain electrode grounded via a voltage dividing network; a power amplifier with a power end connected to the drain electrode of the first PMOS transistor, an input terminal configured to access to a signal to be amplified, and an output terminal configured to amplify the signal; and a current sampling circuit configured to produce sampling current after sampling current across the first PMOS transistor and providing a negative feedback signal for the positive input terminal of the first operational amplifier according to the sampling current such that total output power of the power amplifier keeps unchanged.Type: GrantFiled: December 25, 2017Date of Patent: May 15, 2018Assignee: LANSUS TECHNOLOGIES INC.Inventors: Hua Long, Liyang Zhang, Zhenjuan Cheng, Dongjie Tang, Qian Zhao
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Publication number: 20180123539Abstract: A multi-mode multi-band power amplifier includes a controller, a wide-band amplifier channel and a fundamental impedance transformer. The controller receives an external signal and outputs a control signal according to the external signal. The wide-band amplifier channel receives single-band or multi-band RF signals through the input terminal, performs power amplification on the RF signals and outputs the RF signals through the output terminal. The fundamental impedance transformer includes a first segment shared by RF signals in all bands, second segments respectively special for RF signals in all bands, and a switching circuit controlled by the controller to separate RF signals subject to power amplification to the second segment in a switchable manner for multiplexed outputs.Type: ApplicationFiled: December 26, 2017Publication date: May 3, 2018Applicant: LANSUS TECHNOLOGIES INC.Inventors: Hua LONG, Liyang ZHANG, Zhenjuan CHENG, Dongjie TANG, Qian ZHAO
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Patent number: 9887679Abstract: A power amplifier gain switching circuit includes: a gain controller configured to receive an external input signal, output a first input signal, receive an external drive signal, and output a control signal based on the drive signal; an amplifier including: a bias input terminal configured to receive an external bias voltage; a signal input terminal configured to receive the first input signal; a control terminal configured to receive the control signal; and an output terminal configured to output an output signal with a gain; wherein the amplifier is configured to switch a gain factor of the output signal based on the control signal.Type: GrantFiled: January 29, 2017Date of Patent: February 6, 2018Assignee: LANSUS TECHNOLOGIES INC.Inventors: Qian Zhao, Liyang Zhang, Hua Long, Zhenjuan Cheng, Dongjie Tang
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Publication number: 20180025171Abstract: A method for controlling an application to access a memory includes: receiving a first access request provided by the application and having a first access key; verifying the first access key; generating a second access key for the application if the verification of the first access key is successful; storing the second access key and providing the second access key to the application; receiving a second access request provided by the application and having a target address and a second access key; identifying whether the target address is within a reference address space indicative of a preset storage location of the memory, and verifying the second access key; generating an access control command according to an identification result of whether the target address is within the reference address space and a verification result of the second access key received from the application so as to restrict or permit the application to access the memory.Type: ApplicationFiled: December 5, 2016Publication date: January 25, 2018Inventors: Gang SHAN, Yi LI, Dongjie TANG
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Publication number: 20170141749Abstract: A power amplifier gain switching circuit includes: a gain controller configured to receive an external input signal, output a first input signal, receive an external drive signal, and output a control signal based on the drive signal; an amplifier including: a bias input terminal configured to receive an external bias voltage; a signal input terminal configured to receive the first input signal; a control terminal configured to receive the control signal; and an output terminal configured to output an output signal with a gain; wherein the amplifier is configured to switch a gain factor of the output signal based on the control signal.Type: ApplicationFiled: January 29, 2017Publication date: May 18, 2017Applicant: LANSUS TECHNOLOGIES INC.Inventors: Qian ZHAO, Liyang ZHANG, Hua LONG, Zhenjuan CHENG, Dongjie TANG
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Patent number: 9595933Abstract: A multi-mode multi-band power amplifier and its circuits are provided. The power amplifier comprises a controller, a wide-band amplifier channel, and a fundamental impedance transformer. The controller receives an external signal and outputs a control signal according to the external signal. The wide-band amplifier channel receives a single-band or a multi-band RF signals through the input terminal, performs power amplification on the RF signals and outputs the RF signals through the output terminal. The fundamental impedance transformer comprises a first segment shared by RF signals in all bands, second segments respectively specific to RF signals in all bands, and a switching circuit controlled by the controller to separate a RF signal which is subject to power amplification to the second segment in a switchable manner for multiplexed outputs. A power amplifier output power control circuit, a gain switching circuit, and a gain attenuation circuit are also provided.Type: GrantFiled: April 26, 2016Date of Patent: March 14, 2017Assignee: LANSUS TECHNOLOGIES INC.Inventors: Qian Zhao, Liyang Zhang, Hua Long, Zhenjuan Cheng, Dongjie Tang
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Publication number: 20160241213Abstract: A multi-mode multi-band power amplifier and its circuits are provided. The power amplifier comprises a controller, a wide-band amplifier channel, and a fundamental impedance transformer. The controller receives an external signal and outputs a control signal according to the external signal. The wide-band amplifier channel receives a single-band or a multi-band RF signals through the input terminal, performs power amplification on the RF signals and outputs the RF signals through the output terminal. The fundamental impedance transformer comprises a first segment shared by RF signals in all bands, second segments respectively specific to RF signals in all bands, and a switching circuit controlled by the controller to separate a RF signal which is subject to power amplification to the second segment in a switchable manner for multiplexed outputs. A power amplifier output power control circuit, a gain switching circuit, and a gain attenuation circuit are also provided.Type: ApplicationFiled: April 26, 2016Publication date: August 18, 2016Applicant: LANSUS TECHNOLOGIES INC.Inventors: Qian ZHAO, Liyang ZHANG, Hua LONG, Zhenjuan CHENG, Dongjie TANG
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Publication number: 20070219359Abstract: The present invention discloses a pathogenic gene derived from Xanthomonas campestris, a gene encoding phosphoenolpyruvate synthase. The gene encoding phosphoenolpyruvate synthase of this invention has one of the following nucleotide sequence: 1. a nucleotide sequence of SEQ ID NO:1; 2. a DNA sequence which has more than 80% homology with the nucleotide sequence of SEQ ID NO:1, and encodes a protein which has same function as phosphoenolpyruvate synthase encoded by SEQ ID NO:1. The Open Reading Frame of the DNA of SEQ ID NO:1 is from nucleotide 201 to 2576 in its 5? end. It consists of 2379 nucleotides, the initiation codon TTG of this gene is from nucleotides 201 to 203 in its 5? end, and the termination codon TGA of this gene is from nucleotides 2577 to 2579 in its 5? end.Type: ApplicationFiled: December 1, 2004Publication date: September 20, 2007Inventors: Jiliang Tang, Yongqiang He, Dongjie Tang, Jiaxun Feng, Baoshan Chen, Guangtao Lu, Bole Jiang, Rongqi Xu