Patents by Inventor I-Ru Liu
I-Ru 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: 20240036144Abstract: A direction finding antenna includes a substrate, a reflecting ring, and a plurality of radiating elements, wherein the substrate has a surface. The reflecting ring is disposed on the surface of the substrate and is formed by connecting a plurality of side wires and is a closed polygon. Each of the side wires forms a reflector. The radiating elements are disposed on the surface of the substrate and are respectively located on an outside of the side wires, and each of the radiating elements corresponds to one of the side wires. Each of the side wires and each of the corresponding radiating elements form an antenna structure, and the antenna structures face different directions, thereby providing the needed accuracy of direction finding in different directions.Type: ApplicationFiled: January 12, 2023Publication date: February 1, 2024Applicant: ACCTON TECHNOLOGY CORPORATIONInventors: I-RU LIU, CHUN-YI KUO
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Publication number: 20230187842Abstract: A wireless communication device includes a casing having a wireless signal penetrating area, an antenna sending a wireless signal through the wireless signal penetrating area, and an electromagnetic lens assembly including a lens barrel and a lens. The lens barrel has a first end and a second end. The first end is closer to the wireless signal penetrating area than the second end. The lens disposed in the lens barrel has an incident surface and an emission surface on an axis of the lens. The incident surface is a flat surface facing the first end. The emission surface is a convex surface and has a curvature, which is not equal to 0, from a perspective of a first axis perpendicular to the axis of the lens, and has a curvature of 0 from a perspective of a second axis perpendicular to the axis of the lens and the first axis.Type: ApplicationFiled: October 20, 2022Publication date: June 15, 2023Applicant: ACCTON TECHNOLOGY CORPORATIONInventors: I-RU LIU, KAI-JIA YEH, MING-HUNG SU, CHIH-YUNG CHEN, WEN-PIN LO, PAI-YUAN HSIAO
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Patent number: 11532892Abstract: A parabolic antenna includes a main disc, a transmitting device, and a reflecting member. The main disc has a main surface that is arc-shaped. The transmitting device is disposed on the main disc and includes a transmitter and a reflector. The transmitter corresponds to the reflector. The reflector has a reflecting surface that is arc-shaped and corresponds to the main surface of the main disc. The reflecting member is detachably engaged with the reflecting surface of the reflector and corresponds to the transmitter. By engaging the reflecting member with the reflecting surface of the reflector or detaching the reflecting member from the reflecting surface, the parabolic antenna could form various configurations and provide different reflecting performances.Type: GrantFiled: October 8, 2021Date of Patent: December 20, 2022Assignee: ACCTON TECHNOLOGY CORPORATIONInventors: I-Ru Liu, Kai-Jia Yeh
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Patent number: 11490226Abstract: A wireless device includes an antenna circuit and a controller. The antenna circuit includes a plurality of antennas. Each of the plurality of antennas is configured to surround a reference point and arrange with an equal interval between each other. The controller is coupled to the antenna circuit and configured to compute a strength of a signal of each of the plurality of antennas to choose a plurality of indicated antennas from the plurality of antennas; compute the signal of each two of the plurality of indicated antennas to obtain a plurality of composite signals; and compute a plurality of phase angles according to the plurality of composite signals to compute a positioning angle by using the plurality of phase angles.Type: GrantFiled: August 10, 2020Date of Patent: November 1, 2022Assignee: ACCTON TECHNOLOGY CORPORATIONInventor: I-Ru Liu
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Patent number: 11394123Abstract: A microstrip collinear array includes a bearing member, two first antenna assemblies, two second antenna assemblies, a first connecting line, and a second connecting line. The two first antenna assemblies are juxtaposed on the bearing member. Each of the first antenna assemblies includes several first planar antennas. The two second antenna assemblies are juxtaposed on the bearing member and are respectively and correspondingly located on an opposite side of the two first antenna assemblies. Each of the second antenna assemblies includes several second planar antennas. The first connecting line and the second connecting line are disposed on the bearing member. The second connecting line is located on an opposite side of the first connecting line and is electrically connected to the first connecting line. The first connecting line is electrically connected to the first antenna assemblies. The second connecting line is electrically connected to the second antenna assemblies.Type: GrantFiled: January 8, 2021Date of Patent: July 19, 2022Assignee: ACCTON TECHNOLOGY CORPORATIONInventors: I-Ru Liu, Yen-Lin Liao
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Publication number: 20220149537Abstract: A parabolic antenna includes a main disc, a transmitting device, and a reflecting member. The main disc has a main surface that is arc-shaped. The transmitting device is disposed on the main disc and includes a transmitter and a reflector. The transmitter corresponds to the reflector. The reflector has a reflecting surface that is arc-shaped and corresponds to the main surface of the main disc. The reflecting member is detachably engaged with the reflecting surface of the reflector and corresponds to the transmitter. By engaging the reflecting member with the reflecting surface of the reflector or detaching the reflecting member from the reflecting surface, the parabolic antenna could form various configurations and provide different reflecting performances.Type: ApplicationFiled: October 8, 2021Publication date: May 12, 2022Applicant: ACCTON TECHNOLOGY CORPORATIONInventors: I-RU LIU, KAI-JIA YEH
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Publication number: 20210218147Abstract: A microstrip collinear array includes a bearing member, two first antenna assemblies, two second antenna assemblies, a first connecting line, and a second connecting line. The two first antenna assemblies are juxtaposed on the bearing member. Each of the first antenna assemblies includes several first planar antennas. The two second antenna assemblies are juxtaposed on the bearing member and are respectively and correspondingly located on an opposite side of the two first antenna assemblies. Each of the second antenna assemblies includes several second planar antennas. The first connecting line and the second connecting line are disposed on the bearing member. The second connecting line is located on an opposite side of the first connecting line and is electrically connected to the first connecting line. The first connecting line is electrically connected to the first antenna assemblies. The second connecting line is electrically connected to the second antenna assemblies.Type: ApplicationFiled: January 8, 2021Publication date: July 15, 2021Applicant: ACCTON TECHNOLOGY CORPORATIONInventors: I-RU LIU, YEN-LIN LIAO
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Patent number: 11063374Abstract: An antenna pattern control system includes a wireless access point, a memory and a processor. The wireless access point includes a plurality of adjustable antennas. Different operative arrangements of the adjustable antennas correspond to a plurality of antenna pattern combinations. The memory stores a plurality of real-time indicators recorded when the adjustable antennas are operating according to these antenna pattern permutations. The processor selects candidate pattern permutations from the antenna pattern permutations according to a cluster distribution of one of the real-time indicators located in a coordinate system. The processor also selects a target pattern permutation from the candidate pattern permutations according to a cluster distribution of at least two of the other real-time indicators. The processor outputs the target pattern permutation to the wireless access point in order to control the adjustable antennas of the wireless access point according to the selected target pattern permutation.Type: GrantFiled: December 9, 2019Date of Patent: July 13, 2021Assignee: ACCTON TECHNOLOGY CORPORATIONInventor: I-Ru Liu
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Publication number: 20210067913Abstract: A wireless device includes an antenna circuit and a controller. The antenna circuit includes a plurality of antennas. Each of the plurality of antennas is configured to surround a reference point and arrange with an equal interval between each other. The controller is coupled to the antenna circuit and configured to compute a strength of a signal of each of the plurality of antennas to choose a plurality of indicated antennas from the plurality of antennas; compute the signal of each two of the plurality of indicated antennas to obtain a plurality of composite signals; and compute a plurality of phase angles according to the plurality of composite signals to compute a positioning angle by using the plurality of phase angles.Type: ApplicationFiled: August 10, 2020Publication date: March 4, 2021Inventor: I-Ru LIU
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Publication number: 20210005985Abstract: An antenna pattern control system includes a wireless access point, a memory and a processor. The wireless access point includes a plurality of adjustable antennas. Different operative arrangements of the adjustable antennas correspond to a plurality of antenna pattern combinations. The memory stores a plurality of real-time indicators recorded when the adjustable antennas are operating according to these antenna pattern permutations. The processor selects candidate pattern permutations from the antenna pattern permutations according to a cluster distribution of one of the real-time indicators located in a coordinate system. The processor also selects a target pattern permutation from the candidate pattern permutations according to a cluster distribution of at least two of the other real-time indicators. The processor outputs the target pattern permutation to the wireless access point in order to control the adjustable antennas of the wireless access point according to the selected target pattern permutation.Type: ApplicationFiled: December 9, 2019Publication date: January 7, 2021Inventor: I-Ru LIU
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Patent number: 10847896Abstract: The present disclosure provides an antenna array system that includes a plurality of antenna array units and a processor. The antenna array units are evenly arranged in different orientations, where each antenna array unit comprises a plurality of antenna elements with different azimuth angles, and the different azimuth angles of the antenna elements in the each antenna array unit form a vector, where the vectors corresponding to the antenna array units constitute a vector matrix that matches a predetermined rule. The processor is electrically connected to the antenna array units.Type: GrantFiled: April 8, 2019Date of Patent: November 24, 2020Assignee: ACCTON TECHNOLOGY CORPORATIONInventor: I-Ru Liu
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Patent number: 10498034Abstract: An antenna module is disclosed. The antenna module includes a circuit board and at least one antenna set. Wherein, the antenna set includes a driving antenna and a plurality of parasitic antennas. The driving antenna is formed on the circuit board, and the parasitic antennas are positioned with the driving antenna as a center on the circuit board. Whereby, the space occupied by the antenna module can be small, and beams of wireless signals radiated by the antenna module can be controlled.Type: GrantFiled: June 23, 2017Date of Patent: December 3, 2019Assignee: ACCTON TECHNOLOGY CORPORATIONInventors: I-Ru Liu, Yen-Lin Liao, Hsin-Hsiung Kang, Li-Hua Chou, Wen-Pin Lo, Chun-Yi Kuo, Chang-Cheng Liu
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Publication number: 20190356056Abstract: The present disclosure provides an antenna array system that includes a plurality of antenna array units and a processor. The antenna array units are evenly arranged in different orientations, where each antenna array unit comprises a plurality of antenna elements with different azimuth angles, and the different azimuth angles of the antenna elements in the each antenna array unit form a vector, where the vectors corresponding to the antenna array units constitute a vector matrix that matches a predetermined rule. The processor is electrically connected to the antenna array units.Type: ApplicationFiled: April 8, 2019Publication date: November 21, 2019Inventor: I-Ru LIU
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Patent number: 10476562Abstract: A communication method includes grouping a plurality of antenna patterns of a communication device according to an antenna device group corresponding to different antenna combinations to form a plurality of antenna pattern groups, and selecting an antenna pattern group from the antenna pattern groups; according to a plurality of signal parameter statistics of a plurality of antenna pattern combinations corresponding to each of the selected antenna pattern group, selecting a first antenna pattern combination and a last antenna pattern combination among the plurality of antenna pattern combinations; and according to first data related to the first antenna pattern combination and second data related to the last antenna pattern combination, setting the first antenna pattern combination or the last antenna pattern combination as a transmission antenna pattern combination for data transmission.Type: GrantFiled: September 20, 2018Date of Patent: November 12, 2019Assignee: ACCTON TECHNOLOGY CORPORATIONInventor: I-Ru Liu
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Patent number: 10411352Abstract: The present invention discloses an antenna tuning system and method thereof. The method comprises the following steps: choosing a parasitic antenna that combined with a main antenna, the strongest received signal strength indicator of a target station is detected; controlling the selected parasitic antenna that combined with a main antenna, to generate a scattering resonance through turning on or off a switch unit; and controlling a diffraction radiation pattern between the main antenna and the selected parasitic antenna through adjusting a load of a designed circuit.Type: GrantFiled: June 19, 2017Date of Patent: September 10, 2019Assignee: ACCTON TECHNOLOGY CORPORATIONInventors: I-Ru Liu, Wen-Pin Lo, Hsin-Hsiung Kang, Yang-Te Fu, Chang-Cheng Liu, Yen-Lin Liao, Yi-Chang Chen, Li-Hua Chou
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Publication number: 20190089426Abstract: A communication method includes grouping a plurality of antenna patterns of a communication device according to an antenna device group corresponding to different antenna combinations to form a plurality of antenna pattern groups, and selecting an antenna pattern group from the antenna pattern groups; according to a plurality of signal parameter statistics of a plurality of antenna pattern combinations corresponding to each of the selected antenna pattern group, selecting a first antenna pattern combination and a last antenna pattern combination among the plurality of antenna pattern combinations; and according to first data related to the first antenna pattern combination and second data related to the last antenna pattern combination, setting the first antenna pattern combination or the last antenna pattern combination as a transmission antenna pattern combination for data transmission.Type: ApplicationFiled: September 20, 2018Publication date: March 21, 2019Inventor: I-Ru LIU
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Publication number: 20180301810Abstract: An antenna module is disclosed. The antenna module includes a circuit board and at least one antenna set. Wherein, the antenna set includes a driving antenna and a plurality of parasitic antennas. The driving antenna is formed on the circuit board, and the parasitic antennas are positioned with the driving antenna as a center on the circuit board. Whereby, the space occupied by the antenna module can be small, and beams of wireless signals radiated by the antenna module can be controlled.Type: ApplicationFiled: June 23, 2017Publication date: October 18, 2018Applicant: ACCTON TECHNOLOGY CORPORATIONInventors: I-Ru LIU, Yen-Lin LIAO, Hsin-Hsiung KANG, Li-Hua CHOU, Wen-Pin LO, Chun-Yi KUO, Chang-Cheng LIU
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Patent number: 10090591Abstract: An antenna system comprises first and second support structures, and a plurality of first, second and third antenna elements. Each of the first and second support structures has four sides. Two adjacent sides are perpendicular to each other so that both the first and second support structures form a closed loop. The first support structure is disposed outside of and surrounds the second support structure. Some first antenna elements are disposed on two symmetric sides of the first support structure, and other first antenna elements are disposed on two symmetric sides of the second support structure. Some second antenna elements are disposed on another two symmetric sides of the first support structure, and the other first antenna elements are disposed on another two symmetric sides of the second support structure. The third antenna elements are disposed on the four sides of the second support structure.Type: GrantFiled: July 11, 2016Date of Patent: October 2, 2018Assignee: ACCTON TECHNOLOGY CORPORATIONInventors: I-Ru Liu, Yang-Te Fu, Chang-Cheng Liu, Yi-Chang Chen, Yu-Fang Wei
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Patent number: 10084237Abstract: An inverted-F antenna includes a ground portion, a connecting portion, and a radiating portion, wherein the ground portion is adapted to be electrically connected to a ground line; the connecting portion is respectively connected to the ground portion and the radiating portion to respectively form two included angles therebetween; the radiating portion is separated from the ground portion by a distance due to the connecting portion; the radiating portion has a transceiving segment and a feed-in segment which are mutually connected, wherein the transceiving segment receives and transmits wireless signals in a specific frequency band, while the feed-in segment is adapted to be electrically connected to a signal line; a first notch and a second notch are formed on a side of the transceiving segment, wherein the feed-in segment extends from a portion between the first and the second notches. Whereby, the inverted-F antenna provides an omnidirectional radiation effect.Type: GrantFiled: May 27, 2016Date of Patent: September 25, 2018Assignee: ACCTON TECHNOLOGY CORPORATIONInventors: Chang-Cheng Liu, I-Ru Liu
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Publication number: 20180175503Abstract: The present invention discloses an antenna tuning system and method thereof. The method comprises the following steps: choosing a parasitic antenna that combined with a main antenna, the strongest received signal strength indicator of a target station is detected; controlling the selected parasitic antenna that combined with a main antenna, to generate a scattering resonance through turning on or off a switch unit; and controlling a diffraction radiation pattern between the main antenna and the selected parasitic antenna through adjusting a load of a designed circuit.Type: ApplicationFiled: June 19, 2017Publication date: June 21, 2018Inventors: I-Ru LIU, Wen-Pin LO, Hsin-Hsiung KANG, Yang-Te FU, Chang-Cheng LIU, Yen-Lin LIAO, Yi-Chang CHEN, Li-Hua CHOU