Patents by Inventor Tan Liu
Tan Liu 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: 20250139484Abstract: A system is provided for imaging trapped ions in a quantum computer. The system includes an ion trap that traps qubit ions and includes electrodes that shuttle individual qubit ions between a first position and a second position spatially different from the first position. The system includes a first imaging lens that collects fluorescence from a qubit ion that is trapped over a surface of the ion trap; a first sensor in a first optical path output from the first imaging lens; a first pick-off mirror in a second optical path output from the first imaging lens that is different than the first optical path; a second imaging lens that collects fluorescence that is reflected from the first pick-off mirror; and a second sensor in a third optical path. Moreover, a controller controls the electrodes to shuttle the qubit ion from the first position to the second position.Type: ApplicationFiled: October 22, 2024Publication date: May 1, 2025Inventors: Shantanu DEBNATH, Tan LIU, Bo ZHAO
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Publication number: 20240380775Abstract: Embodiments of the present application relate to the technical field of communication transmission security, and in particular, to a method and a device for mining a security vulnerability of an air interface protocol, and a mobile terminal. The method for mining the security vulnerability of the air interface protocol includes: obtaining mutation data, the mutation data being generated according to a fuzzing task; obtaining a service message of the air interface protocol; modifying the service message according to the mutation data; sending the modified service message to a base station; and monitoring a state of the base station, and recording a security vulnerability log according to the state of the base station.Type: ApplicationFiled: February 3, 2023Publication date: November 14, 2024Inventors: Tan LIU, Jinxin ZHANG, Fei ZHANG, Yinyuan ZHAO, Qiyuan TONG, Yingjun ZHAO
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Publication number: 20240353679Abstract: Aspects of the present disclosure relate generally to systems and methods for use in the implementation and/or operation of quantum information processing (QIP) systems, and more particularly, to calibrate compact optical imaging systems that use single atom imaging. A QIP system includes an optical system including an optical relay that receives a beam of light, a housing, and at least one aperture plate. The optical relay includes at least one lens, at least one mirror to fold the beam of light, and a camera sensor to capture at least one image of the beam of light. The housing accommodates the optical relay and includes a slot mechanically referenced to at least one of the lens(es) and the mirror(s). The aperture plate is receivable in the slot. The aperture plate includes an aperture alignable with an optical axis of the optical relay when the aperture plate is received in the slot.Type: ApplicationFiled: April 19, 2024Publication date: October 24, 2024Inventors: Shantanu DEBNATH, Tan LIU
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Patent number: 12098058Abstract: An automatic configuration method of fixture and a fixture. The automatic configuration method of fixture includes: S1: sending, by a fixture, a predetermined request toward a predetermined address to an elevator controller; S2: judging a control function corresponding to the predetermined address; and S3: configuring the fixture according to the control function corresponding to the predetermined address. The automatic configuration method of fixture and the fixture of the present invention have the advantages of being simple, reliable, convenient to maintain and the like, and can automatically configure the fixture during installation and maintenance, effectively improving the user experience.Type: GrantFiled: September 27, 2019Date of Patent: September 24, 2024Assignee: OTIS ELEVATOR COMPANYInventors: Heping Qiu, Tan Liu
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Patent number: 12088351Abstract: Aspects of the present disclosure relate generally to systems and methods for use in the implementation and/or operation of quantum information processing (QIP) systems, and more particularly, to a double individual-addressing multi-beam Raman system for use in QIP systems. A technique is described in which a first multi-channel modulator (MCM), a first telecentric zoom lens, and a first interleaver that form a first optical path of the Raman system that receives a first array of beams and adjusts the first array of beams to individually address atomic-based qubits in a chain from a first direction. Moreover, a second MCM, a second telecentric zoom lens, and a second interleaver form a second optical path of the Raman system that receives a second array of beams and adjusts the second arrays of beams to individually address the atomic-based qubits in the chain from a second direction different from the first direction.Type: GrantFiled: December 6, 2022Date of Patent: September 10, 2024Assignee: IonQ, Inc.Inventors: Neal C. Pisenti, Kai Makoto Hudek, Kenneth Wright, Tan Liu, David Angeley, Nadir Shah, Sarah Margaret Kreikemeier
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Publication number: 20240235694Abstract: Aspects of the present disclosure relate generally to systems and methods for use in the implementation and/or operation of quantum information processing (QIP) systems, and more particularly, to a double individual-addressing multi-beam Raman system for use in QIP systems. A technique is described in which a first multi-channel modulator (MCM), a first telecentric zoom lens, and a first interleaver that form a first optical path of the Raman system that receives a first array of beams and adjusts the first array of beams to individually address atomic-based qubits in a chain from a first direction. Moreover, a second MCM, a second telecentric zoom lens, and a second interleaver form a second optical path of the Raman system that receives a second array of beams and adjusts the second arrays of beams to individually address the atomic-based qubits in the chain from a second direction different from the first direction.Type: ApplicationFiled: August 8, 2023Publication date: July 11, 2024Inventors: Neal C. PISENTI, Kai Makoto HUDEK, Kenneth WRIGHT, Tan LIU, David ANGELEY, Nadir SHAH, Sarah Margaret KREIKEMEIER
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Publication number: 20240235693Abstract: Aspects of the present disclosure relate generally to systems and methods for use in the implementation and/or operation of quantum information processing (QIP) systems, and more particularly, to a double individual-addressing multi-beam Raman system for use in QIP systems. A technique is described in which a first muti-channel modulator (MCM), a first telecentric zoom lens, and a first interleaver that form a first optical path of the Raman system that receives a first array of beams and adjusts the first array of beams to individually address atomic-based qubits in a chain from a first direction. Moreover, a second MCM, a second telecentric zoom lens, and a second interleaver form a second optical path of the Raman system that receives a second array of beams and adjusts the second arrays of beams to individually address the atomic-based qubits in the chain from a second direction different from the first direction.Type: ApplicationFiled: August 8, 2023Publication date: July 11, 2024Inventors: Neal C. PISENTI, Kai Makoto Hudek, Kenneth Wright, Tan Liu, David Angeley, Nadir Shah, Sarah Margaret Kreikemeier
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Publication number: 20240022335Abstract: Aspects of the present disclosure relate generally to systems and methods for use in the implementation and/or operation of quantum information processing (QIP) systems, and more particularly, to a double individual-addressing multi-beam Raman system for use in QIP systems. A technique is described in which a first muti-channel modulator (MCM), a first telecentric zoom lens, and a first interleaver that form a first optical path of the Raman system that receives a first array of beams and adjusts the first array of beams to individually address atomic-based qubits in a chain from a first direction. Moreover, a second MCM, a second telecentric zoom lens, and a second interleaver form a second optical path of the Raman system that receives a second array of beams and adjusts the second arrays of beams to individually address the atomic-based qubits in the chain from a second direction different from the first direction.Type: ApplicationFiled: December 6, 2022Publication date: January 18, 2024Inventors: Neal C. PISENTI, Kai Makoto HUDEK, Kenneth WRIGHT, Tan LIU, David ANGELEY, Nadir SHAH, Sarah Margaret KREIKEMEIER
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Publication number: 20230323411Abstract: Provided is engineered microorganisms expressing acetoacetyl-CoA reductase variants and a method for improving the yield of PHA. Compared with the wild-type acetoacetyl-CoA reductase represented by SEQ ID NO. 31, the variant has one or more of the following mutations: (1) mutation of valine at position 141 to isoleucine or leucine; (2) mutation of methionine at position 12 to threonine, serine, alanine, leucine, lysine or isoleucine; (3) mutation of isoleucine at position 194 to valine, leucine or methionine; (4) mutation of glutamic acid at position 42 to lysine, glutamine, leucine, aspartic acid, proline, threonine, asparagine, or histidine; and (5) mutation of phenylalanine at position 55 to valine, alanine or isoleucine. The variants and their coding genes can promote the synthesis and accumulation of PHA by the strain and increase the yield of PHA.Type: ApplicationFiled: June 28, 2022Publication date: October 12, 2023Applicant: SHENZHEN BLUEPHA BIOSCIENCES CO., LTD.Inventors: Jin YIN, Yu WANG, Xiaocui XIE, Huayu ZHANG, Yakun WU, Tan LIU, Pingen TANG
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Patent number: 11777768Abstract: The present disclosure provides a pre-equalization compensation method and device for a link, a storage medium and an electronic device. The method includes: in response to that an Active Antenna Unit (AAU) is powered on, parsing a prestored off-line compensation table to obtain first non-flatness equalization coefficients of an RF link with a plurality of sub-carriers and second non-flatness equalization coefficients of a wave control link with the plurality of sub-carriers, with each one of the plurality of sub-carriers corresponding to one of the first non-flatness equalization coefficients and one of the second non-flatness equalization coefficients; combining the first non-flatness equalization coefficients of the plurality of sub-carriers and the second non-flatness equalization coefficients of the plurality of sub-carriers to obtain a combined carrier non-flatness coefficient; and performing equalization compensation on the link according to the combined carrier non-flatness coefficient.Type: GrantFiled: November 20, 2020Date of Patent: October 3, 2023Assignee: ZTE CORPORATIONInventors: Tan Liu, Feng Zhao
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Patent number: 11577930Abstract: The present invention relates to automatic elevator call control, and belongs to the field of elevator intelligent control technologies. An automatic elevator call system provided in the present invention calculates duration information from the moment when the personal mobile terminal leaves coverage of the wireless signal to the moment when the personal mobile terminal enters the coverage again, and when the duration information is less than or equal to a preset time threshold, causes the personal mobile terminal to be incapable of automatically sending an elevator call request command in a time period from the moment when the personal mobile terminal enters the coverage again to the moment when the personal mobile terminal leaves the coverage again. The present invention can effectively avoid invalid or abnormal elevator call request operations, and the elevator system achieves high running efficiency.Type: GrantFiled: December 27, 2018Date of Patent: February 14, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Wenbo Huang, Xiaofei Guo, Haiyan Xue, Renxiang Chen, Heping Qiu, Lieping Wei, Tan Liu, Jingyu Tong
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Determination of non-normal elevator calling request in an automatic elevator calling request system
Patent number: 11524867Abstract: An automatic elevator call system includes: a wireless signal apparatus installed in an elevator landing zone of an elevator system and broadcasting a corresponding wireless signal around; a counting unit configured to count, after an elevator call request corresponding to an identity of the personal mobile terminal is sent or received, the number of times the elevator call request corresponding to the identity is made within a predetermined time period; and an abnormal elevator call request judgment unit configured to judge, based on a comparison result between the number of times the elevator call request is made and a predetermined threshold, whether the elevator call request corresponding to the identity is a normal elevator call request operation. The present invention can effectively determine an intentional or unintentional abnormal elevator call request operation of a passenger.Type: GrantFiled: December 27, 2018Date of Patent: December 13, 2022Assignee: OTIS ELEVATOR COMPANYInventors: Wenbo Huang, Xiaofei Guo, Haiyan Xue, Renxiang Chen, Heping Qiu, Lieping Wei, Tan Liu, Jingyu Tong -
Publication number: 20220286328Abstract: The present disclosure provides a pre-equalization compensation method and device for a link, a storage medium and an electronic device. The method includes: in response to that an Active Antenna Unit (AAU) is powered on, parsing a prestored off-line compensation table to obtain first non-flatness equalization coefficients of an RF link with a plurality of sub-carriers and second non-flatness equalization coefficients of a wave control link with the plurality of sub-carriers, with each one of the plurality of sub-carriers corresponding to one of the first non-flatness equalization coefficients and one of the second non-flatness equalization coefficients; combining the first non-flatness equalization coefficients of the plurality of sub-carriers and the second non-flatness equalization coefficients of the plurality of sub-carriers to obtain a combined carrier non-flatness coefficient; and performing equalization compensation on the link according to the combined carrier non-flatness coefficient.Type: ApplicationFiled: November 20, 2020Publication date: September 8, 2022Inventors: Tan LIU, Feng ZHAO
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Patent number: 11384878Abstract: A coupling device for coupling flanges of two pipes includes a chain assembly and a positioning mechanism. The chain assembly includes plural connecting pieces pivotally connected one by one by pivot members. The connecting pieces at two opposite ends of the chain assembly are defined as a first connecting piece and a second connecting piece. A first pivot member is arranged at the free end of the first connecting piece, and a second pivot member is arranged at the free end of the second connecting piece. The positioning mechanism includes a first portion and a second portion pivotally connected. The first portion is pivotally connected to the first pivot member or the first connecting piece, and the second portion is detachably positioned to the second pivot member. The first portion is rotatable between a release position and a fixed position relative to the second portion.Type: GrantFiled: August 5, 2020Date of Patent: July 12, 2022Inventors: Yuan-Lai Chen, Da-Tan Liu
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Patent number: 11326701Abstract: A disc valve is provided, including: a main body, at least including first, second and third flow passages, the first, second and third flow passages being in communication with each other; a disc, being oval, including a major axis and a minor axis, being rotatably connected to and in the main body, being rotatable about an axis between a first position and a second position; wherein when the disc is located in the first position, the disc discommunicates the first flow passage and the third flow passage and the first flow passage and the second flow passage are in communication with each other; when the disc is located in the second position, the disc discommunicates the first flow passage and the second flow passage and the first flow passage and the third flow passage are in communication with each other.Type: GrantFiled: August 5, 2020Date of Patent: May 10, 2022Inventors: Yuan-Lai Chen, Da-Tan Liu
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Publication number: 20220042605Abstract: A disc valve is provided, including: a main body, at least including first, second and third flow passages, the first, second and third flow passages being in communication with each other; a disc, being oval, including a major axis and a minor axis, being rotatably connected to and in the main body, being rotatable about an axis between a first position and a second position; wherein when the disc is located in the first position, the disc discommunicates the first flow passage and the third flow passage and the first flow passage and the second flow passage are in communication with each other; when the disc is located in the second position, the disc discommunicates the first flow passage and the second flow passage and the first flow passage and the third flow passage are in communication with each other.Type: ApplicationFiled: August 5, 2020Publication date: February 10, 2022Inventors: Yuan-Lai CHEN, Da-Tan LIU
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Publication number: 20220042630Abstract: A coupling device for coupling flanges of two pipes includes a chain assembly and a positioning mechanism. The chain assembly includes plural connecting pieces pivotally connected one by one by pivot members. The connecting pieces at two opposite ends of the chain assembly are defined as a first connecting piece and a second connecting piece. A first pivot member is arranged at the free end of the first connecting piece, and a second pivot member is arranged at the free end of the second connecting piece. The positioning mechanism includes a first portion and a second portion pivotally connected. The first portion is pivotally connected to the first pivot member or the first connecting piece, and the second portion is detachably positioned to the second pivot member. The first portion is rotatable between a release position and a fixed position relative to the second portion.Type: ApplicationFiled: August 5, 2020Publication date: February 10, 2022Inventors: Yuan-Lai CHEN, Da-Tan LIU
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Patent number: 11060540Abstract: A material guiding device is provided, including: a main body, including a first portion and a second portion which are coupled with each other, the first portion and the second portion defining a channel, the channel including an inlet portion and an outlet portion which commuted are with each other and a concave portion which is commuted between the inlet portion and the outlet portion, the inlet portion and the outlet portion extending respectively in a first extending direction and a second extending direction; in the first extending direction the concave portion being outwardly protrusive beyond the outlet portion, the concave portion being connected with the outlet portion and including a projection extending toward the first extending direction.Type: GrantFiled: July 10, 2019Date of Patent: July 13, 2021Inventors: Yuan-Lai Chen, Da-Tan Liu
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Publication number: 20210010496Abstract: A material guiding device is provided, including: a main body, including a first portion and a second portion which are coupled with each other, the first portion and the second portion defining a channel, the channel including an inlet portion and an outlet portion which commuted are with each other and a concave portion which is commuted between the inlet portion and the outlet portion, the inlet portion and the outlet portion extending respectively in a first extending direction and a second extending direction; in the first extending direction the concave portion being outwardly protrusive beyond the outlet portion, the concave portion being connected with the outlet portion and including a projection extending toward the first extending direction.Type: ApplicationFiled: July 10, 2019Publication date: January 14, 2021Inventors: Yuan-Lai CHEN, Da-Tan LIU
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Publication number: 20200102189Abstract: An automatic configuration method of fixture and a fixture. The automatic configuration method of fixture includes: S1: sending, by a fixture, a predetermined request toward a predetermined address to an elevator controller; S2: judging a control function corresponding to the predetermined address; and S3: configuring the fixture according to the control function corresponding to the predetermined address. The automatic configuration method of fixture and the fixture of the present invention have the advantages of being simple, reliable, convenient to maintain and the like, and can automatically configure the fixture during installation and maintenance, effectively improving the user experience.Type: ApplicationFiled: September 27, 2019Publication date: April 2, 2020Inventors: Heping Qiu, Tan Liu