Patents by Inventor Ziqiang Tong
Ziqiang Tong 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: 11870146Abstract: A waveguide antenna (200) is disclosed, comprising: a first plurality (220) of slots (222,224), for producing a beam having a first radiation pattern (301) at a first resonant frequency (f1); and a second plurality (230) of slots (232, 234), for producing a beam having a second radiation pattern (302) at a second resonant frequency (f2).Type: GrantFiled: January 25, 2022Date of Patent: January 9, 2024Assignee: NXP USA, INC.Inventor: Ziqiang Tong
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Publication number: 20230006355Abstract: A waveguide antenna (200) is disclosed, comprising: a first plurality (220) of slots (222,224), for producing a beam having a first radiation pattern (301) at a first resonant frequency (f1); and a second plurality (230) of slots (232, 234), for producing a beam having a second radiation pattern (302) at a second resonant frequency (f2).Type: ApplicationFiled: January 25, 2022Publication date: January 5, 2023Inventor: Ziqiang Tong
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Patent number: 11322847Abstract: The disclosure relates to patch antennas for radar or communications applications. Example embodiments include an antenna comprising: a substrate; a ground plane on a first face of the substrate; and a patch antenna on an opposing second face of the substrate, the patch antenna having a lead extending along a central axis and connected to a rectangular radiating element, wherein the rectangular radiating element comprises two slots on opposing sides of the central axis such that the patch antenna has two resonant frequencies within an operating frequency range of the antenna.Type: GrantFiled: December 21, 2017Date of Patent: May 3, 2022Assignee: NXP B.V.Inventors: Ziqiang Tong, Ralf Reuter, Arnaud Sion
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Patent number: 11271318Abstract: A waveguide antenna is disclosed, comprising: a first plurality of slots, for producing a beam having a first radiation pattern at a first resonant frequency; and a second plurality of slots, for producing a beam having a second radiation pattern at a second resonant frequency. A method of operation of the waveguide antenna is also disclosed, comprising: operating the transceiver at a first frequency to detect objects in a first field of view; and operating the transceiver at a second frequency to detect objects in a second field of view.Type: GrantFiled: March 19, 2019Date of Patent: March 8, 2022Assignee: NXP USA, INC.Inventor: Ziqiang Tong
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Patent number: 10921435Abstract: A method (400) of detecting an object using a radar system is disclosed. The method comprises transmitting (401) a first radar beam having a first frequency and first radiation pattern (301) from an antenna (500), the first radiation pattern comprising a peak at zero azimuth angle, and detecting (402) a first signal from the object due to a reflection of the first radar beam. A second radar beam having a second frequency and second radiation pattern (302) is transmitted (403) from the antenna (500), the second radiation pattern comprising a peak at a non-zero azimuth angle. A second signal due to a reflection of the second radar beam from the object is detected (404), and the first signal and the second signal compared (405) to determine an angular location of the object relative to the zero azimuth angle.Type: GrantFiled: July 19, 2018Date of Patent: February 16, 2021Assignee: NXP USA, INC.Inventors: Ziqiang Tong, Ralf Reuter, Arnaud Sion
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Patent number: 10890654Abstract: A radar system (200, 200a) and a method of operating a radar system are described, the radar system (200, 200a) comprising: a plurality of ICs (210, 220), each IC (210, 220) comprising: a respective LO output (212, 222) for selectively outputting a respective LO signal, and a respective LO input (214, 224); and a coupling device (230, 330), the coupling device (230, 330) comprising: a plurality of inputs (232, 234; 341, 342, 351, 352), each input being coupled to the LO output (212, 222) of a respective IC (200, 200a), and a plurality of outputs (236, 238; 363, 364, 373, 374), each output being coupled to the LO input (212, 222) of a respective IC (214, 224); wherein the coupling device (230, 330) is configured such that a LO signal arriving at any one of said plurality of inputs (232, 234; 341, 342, 351, 352) is distributed to each of said plurality of outputs (236, 238; 363, 364, 373, 374). The coupling device (230, 330) may comprise at least one directional coupler.Type: GrantFiled: October 31, 2018Date of Patent: January 12, 2021Assignee: NXP USA, INC.Inventors: Ziqiang Tong, Shamsuddin Ahmed
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Patent number: 10782395Abstract: Embodiments are provided herein for a radar system and a method for determining true velocity, which includes: obtaining a radial velocity component that corresponds to a target object, based on sensor data detected by a radar sensor on a vehicle; obtaining a true velocity magnitude of the target object from a communication protocol; and calculating a true velocity angle of direction of the target object based on a trigonometric relationship established between the radial velocity component and the true velocity vector.Type: GrantFiled: December 20, 2017Date of Patent: September 22, 2020Assignee: NXP B.V.Inventors: Ziqiang Tong, Liang Li
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Patent number: 10777899Abstract: A transmission line coupling arrangement comprising: a substrate comprising: a plurality of transmission lines each having a terminal radiating end for providing an electromagnetic wave as a result of a signal provided to the transmission line; and a footprint region extending over a portion of the substrate, wherein each of the terminal radiating ends of each of the plurality of transmission lines extend to a respective point within the footprint region; and the footprint region configured to receive a single transition housing thereover, the transition housing having at least one waveguide for receipt of the electromagnetic wave from one of the terminal radiating ends for coupling the at least one of the plurality of transmission lines to one of an output waveguide and an output antenna.Type: GrantFiled: August 30, 2018Date of Patent: September 15, 2020Assignee: NXP USA, INC.Inventors: Ziqiang Tong, Ernst Seler, Shamsuddin Ahmed
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Patent number: 10746861Abstract: An apparatus configured to provide for detection and ranging of a remote object, the apparatus configured to perform the following: based on a first reflected signal comprising a reflection from the remote object of a first frequency varying detection signal that varies in frequency over a first bandwidth; and based on a second reflected signal comprising a reflection from the remote object of a second frequency varying detection signal that varies in frequency over a different second bandwidth; determine a first estimated range based on a first beat frequency signal comprising the first reflected signal mixed with the first frequency varying detection signal; determine a second estimated range based on a second beat frequency signal comprising the second reflected signal mixed with the second frequency varying detection signal; determine a range of the remote object as a function of the first estimated range and the second estimated range.Type: GrantFiled: March 1, 2018Date of Patent: August 18, 2020Assignee: NXP B.V.Inventor: Ziqiang Tong
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Patent number: 10522458Abstract: A method of tuning inductive and/or capacitive components within an integrated circuit device. The method comprises measuring bare-die mounted performance of such a component formed within a semiconductor die, determining a package distribution layer pattern for the at least one component for achieving a desired performance for the at least one component based at least partly on the measured bare-die mounted performance, and packaging the semiconductor die with the determined package distribution layer pattern for the at least one component.Type: GrantFiled: December 6, 2017Date of Patent: December 31, 2019Assignee: NXP USA, Inc.Inventors: Yi Yin, Ziqiang Tong
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Patent number: 10516207Abstract: A device is disclosed. The device includes a wire board including metallic wiring and a first microchip connected to the metallic wiring. The first microchip includes a first radiating element configured to operate a first frequency. The device further includes a second microchip connect to the metallic wiring. The second microchip includes a second radiating element configured to operate at the first frequency. A main radiating element is also included. The main radiating element is configured to operate at a second radio frequency. The first microchip and the second microchip are physically placed such that the first radiating element faces the second radiating element.Type: GrantFiled: May 17, 2017Date of Patent: December 24, 2019Assignee: NXP B.V.Inventors: Ralf Reuter, Ziqiang Tong
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Publication number: 20190334247Abstract: A waveguide antenna (200) is disclosed, comprising: a first plurality (220) of slots (222, 224), for producing a beam having a first radiation pattern (301) at a first resonant frequency (f1); and a second plurality (230) of slots (232, 234), for producing a beam having a second radiation pattern (302) at a second resonant frequency (f2).Type: ApplicationFiled: March 19, 2019Publication date: October 31, 2019Inventor: ZIQIANG TONG
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Publication number: 20190198985Abstract: The embodiments described herein provide radar systems for use on unmanned vehicles. The radar systems can be applied to a wide variety of unmanned vehicles, including unmanned aerial vehicles and unmanned land vehicles. In general, the unmanned vehicle comprises a housing having at least one propulsion motor, a radar processing unit coupled to the body, and an antenna. In accordance with the embodiments described herein, the antenna includes an antenna body defining at least one transmitting waveguide and at least one receiving waveguide coupled to the radar processing unit. The antenna body is formed from plastic and includes metalized surface. In one embodiment, the antenna body is formed from 3-dimensional (3D) plastic printing.Type: ApplicationFiled: December 26, 2017Publication date: June 27, 2019Applicant: NXP USA, INC.Inventors: Ernst Seler, Ziqiang Tong
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Publication number: 20190187267Abstract: Embodiments are provided herein for a radar system and a method for determining true velocity, which includes: obtaining a first radial velocity component that corresponds to a target object, based on sensor data detected by a first radar sensor on a vehicle; obtaining a second radial velocity component that corresponds to the target object, based on sensor data detected by a second radar sensor on the vehicle; and calculating a true velocity vector of the target object based on a trigonometric relationship established between the first radial velocity component and the second radial velocity component.Type: ApplicationFiled: December 20, 2017Publication date: June 20, 2019Inventors: Liang Li, Ziqiang Tong
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Publication number: 20190187273Abstract: A radar system (200, 200a) and a method of operating a radar system are described, the radar system (200, 200a) comprising: a plurality of ICs (210, 220), each IC (210, 220) comprising: a respective LO output (212, 222) for selectively outputting a respective LO signal, and a respective LO input (214, 224); and a coupling device (230, 330), the coupling device (230, 330) comprising: a plurality of inputs (232, 234; 341, 342, 351, 352), each input being coupled to the LO output (212, 222) of a respective IC (200, 200a), and a plurality of outputs (236, 238; 363, 364, 373, 374), each output being coupled to the LO input (212, 222) of a respective IC (214, 224); wherein the coupling device (230, 330) is configured such that a LO signal arriving at any one of said plurality of inputs (232, 234; 341, 342, 351, 352) is distributed to each of said plurality of outputs (236, 238; 363, 364, 373, 374). The coupling device (230, 330) may comprise at least one directional coupler.Type: ApplicationFiled: October 31, 2018Publication date: June 20, 2019Inventors: ZIQIANG TONG, Shamsuddin Ahmed
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Publication number: 20190187269Abstract: Embodiments are provided herein for a radar system and a method for determining true velocity, which includes: obtaining a radial velocity component that corresponds to a target object, based on sensor data detected by a radar sensor on a vehicle; obtaining a true velocity magnitude of the target object from a communication protocol; and calculating a true velocity angle of direction of the target object based on a trigonometric relationship established between the radial velocity component and the true velocity vector.Type: ApplicationFiled: December 20, 2017Publication date: June 20, 2019Inventors: Ziqiang TONG, Liang LI
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Publication number: 20190109382Abstract: A transmission line coupling arrangement comprising: a substrate comprising: a plurality of transmission lines each having a terminal radiating end for providing an electromagnetic wave as a result of a signal provided to the transmission line; and a footprint region extending over a portion of the substrate, wherein each of the terminal radiating ends of each of the plurality of transmission lines extend to a respective point within the footprint region; and the footprint region configured to receive a single transition housing thereover, the transition housing having at least one waveguide for receipt of the electromagnetic wave from one of the terminal radiating ends for coupling the at least one of the plurality of transmission lines to one of an output waveguide and an output antenna.Type: ApplicationFiled: August 30, 2018Publication date: April 11, 2019Inventors: Ziqiang Tong, Ernst Seler, Shamsuddin Ahmed
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Patent number: 10225925Abstract: A radio frequency transmission structure couples a RF signal between a first and a second radiating elements arranged at a first and a second sides of a first dielectric substrate, respectively. The RF coupling structure comprises first and second coupling structures. Each coupling structure has a hole arranged through the first dielectric substrate, a first electrically conductive layer arranged on a first wall of the hole to electrically connect a first and a second signal terminals, a second electrically conductive layer arranged on a second wall of the hole opposite to the first wall to electrically connect a first and a second reference terminals. The first electrically conductive layer is separated from the second electrically conductive layer. The first and second coupling structures are symmetrically arranged with the first electrically conductive layers closer to each other than the second electrically conductive layers are to each other.Type: GrantFiled: October 26, 2016Date of Patent: March 5, 2019Assignee: NXP USA, Inc.Inventors: Li Qiang, Ralf Reuter, Bernhard Grote, Ljubo Radic, Ziqiang Tong
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Publication number: 20190025418Abstract: A method (400) of detecting an object using a radar system is disclosed. The method comprises transmitting (401) a first radar beam having a first frequency and first radiation pattern (301) from an antenna (500), the first radiation pattern comprising a peak at zero azimuth angle, and detecting (402) a first signal from the object due to a reflection of the first radar beam. A second radar beam having a second frequency and second radiation pattern (302) is transmitted (403) from the antenna (500), the second radiation pattern comprising a peak at a non-zero azimuth angle. A second signal due to a reflection of the second radar beam from the object is detected (404), and the first signal and the second signal compared (405) to determine an angular location of the object relative to the zero azimuth angle.Type: ApplicationFiled: July 19, 2018Publication date: January 24, 2019Inventors: Ziqiang Tong, Ralf Reuter, Arnaud Sion
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Publication number: 20180337448Abstract: A device is disclosed. The device includes a wire board including metallic wiring and a first microchip connected to the metallic wiring. The first microchip includes a first radiating element configured to operate a first frequency. The device further includes a second microchip connect to the metallic wiring. The second microchip includes a second radiating element configured to operate at the first frequency. A main radiating element is also included. The main radiating element is configured to operate at a second radio frequency. The first microchip and the second microchip are physically placed such that the first radiating element faces the second radiating element.Type: ApplicationFiled: May 17, 2017Publication date: November 22, 2018Inventors: Ralf Reuter, Ziqiang Tong