Patents by Inventor Chih-Sen Hsieh
Chih-Sen Hsieh 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: 9966663Abstract: A dual-band antenna module is provided. The dual-band antenna module includes a circuit board, a ground coupling portion electrically connected to a reference ground plane of the circuit board, a first antenna, and a second antenna spaced from the first antenna. The first antenna and the ground coupling portion are disposed on the circuit board and configured to couple each other. The first antenna includes a first radiation unit, a U-shaped conductive frame, and a first feeding portion. The U-shaped conductive frame is disposed on the first radiation unit and opens toward the circuit board. The second antenna includes a second radiation unit, a high-frequency impedance portion, and a second feeding portion. The second radiation unit and the high-frequency impedance portion are respectively disposed on two opposite surfaces of the circuit board to resonate to each other. The second radiation unit includes a ground extension portion electrically grounded.Type: GrantFiled: December 21, 2016Date of Patent: May 8, 2018Assignee: UNIVERSAL SCIENTIFIC INDUSTRIAL (SHANGHAI) CO., LTD.Inventors: Hsin-Hong Chen, Jui-Kun Shih, Chun-Huan Lee, Jui-Chih Chien, Chih-Sen Hsieh
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Publication number: 20180115067Abstract: A dual-band antenna module is provided. The dual-band antenna module includes a circuit board, a ground coupling portion electrically connected to a reference ground plane of the circuit board, a first antenna, and a second antenna spaced from the first antenna. The first antenna and the ground coupling portion are disposed on the circuit board and configured to couple each other. The first antenna includes a first radiation unit, a U-shaped conductive frame, and a first feeding portion. The U-shaped conductive frame is disposed on the first radiation unit and opens toward the circuit board. The second antenna includes a second radiation unit, a high-frequency impedance portion, and a second feeding portion. The second radiation unit and the high-frequency impedance portion are respectively disposed on two opposite surfaces of the circuit board to resonate to each other. The second radiation unit includes a ground extension portion electrically grounded.Type: ApplicationFiled: December 21, 2016Publication date: April 26, 2018Inventors: HSIN-HONG CHEN, JUI-KUN SHIH, CHUN-HUAN LEE, JUI-CHIH CHIEN, CHIH-SEN HSIEH
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Patent number: 9223342Abstract: A radio-frequency system for a wireless communication device is disclosed. The wireless communication device includes a first board body and a second board body, capable of operating in a pad mode. The radio-frequency system includes at least one antenna disposed in the first board body and extending along a first plane, and at least one metal wall electrically connected to a system ground, disposed on the second board body related to locations of the at least one antenna disposed in the first board body, extending along a second plane. When the wireless communication device operates in the pad mode, the second plane is substantially perpendicular to the first plane, such that each of the metal walls has a height in comparison to the first plane, and a projecting result of each of the metal walls corresponding to the first plane is adjacent to a radiating element of an antenna.Type: GrantFiled: July 16, 2014Date of Patent: December 29, 2015Assignee: Wistron NeWeb CorporationInventors: Chia-Hao Chang, Shau-Jiun Yu, Chih-Sen Hsieh, Chih-Ming Wang
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Patent number: 9083080Abstract: An antenna structure is provided, including a first radiator, a second radiator, a second coupling portion and a switch Circuit. The first radiator includes a feed portion and a first radiator body. The second radiator includes a first coupling portion, a second radiator body and a ground portion. The first coupling portion is connected to a first end portion of the second radiator body. The ground portion is connected to the second radiator body. At least a portion of the first radiator body is located between the first coupling portion and the second coupling portion. When the antenna structure is in a first mode, the switch circuit forms an electric path between the second radiator and the second coupling portion, and when the antenna structure is in a second mode, the switch circuit removes the electric path between the second radiator and the second coupling portion.Type: GrantFiled: July 30, 2013Date of Patent: July 14, 2015Assignee: WISTRON NEWEB CORP.Inventors: Chung-Hung Chen, Yi-Hung Chiu, Chia-Hao Chang, Chih-Sen Hsieh
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Publication number: 20150133188Abstract: A radio-frequency system for a wireless communication device is disclosed. The wireless communication device includes a first board body and a second board body, capable of operating in a pad mode. The radio-frequency system includes at least one antenna disposed in the first board body and extending along a first plane, and at least one metal wall electrically connected to a system ground, disposed on the second board body related to locations of the at least one antenna disposed in the first board body, extending along a second plane. When the wireless communication device operates in the pad mode, the second plane is substantially perpendicular to the first plane, such that each of the metal walls has a height in comparison to the first plane, and a projecting result of each of the metal walls corresponding to the first plane is adjacent to a radiating element of an antenna.Type: ApplicationFiled: July 16, 2014Publication date: May 14, 2015Inventors: Chia-Hao Chang, Shau-Jiun Yu, Chih-Sen Hsieh, Chih-Ming Wang
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Patent number: 9030368Abstract: An antenna for receiving radio signals of at least a first frequency band and a second frequency band includes a grounding unit for providing grounding, a connecting unit electrically connected to a first terminal of the grounding unit, a feeding terminal, formed on the connecting unit, for transmitting the radio signals of the first frequency band and the second frequency band, a first radiating element electrically connected between the connecting unit and a second terminal of the grounding unit, and a second radiating element electrically connected between the connecting unit and a third terminal of the grounding unit. Lengths of signal routes from the feeding terminal through the first radiating element and the second radiating element to the grounding unit are substantially equal to a half wavelength of the radio signals of the first frequency band and a half wavelength of the radio signals of the second frequency band, respectively.Type: GrantFiled: June 17, 2013Date of Patent: May 12, 2015Assignee: Wistron NeWeb CorporationInventors: Chung-Hung Chen, Chih-Sen Hsieh, Chih-Ming Wang
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Publication number: 20140240190Abstract: An antenna for receiving radio signals of at least a first frequency band and a second frequency band includes a grounding unit for providing grounding, a connecting unit electrically connected to a first terminal of the grounding unit, a feeding terminal, formed on the connecting unit, for transmitting the radio signals of the first frequency band and the second frequency band, a first radiating element electrically connected between the connecting unit and a second terminal of the grounding unit, and a second radiating element electrically connected between the connecting unit and a third terminal of the grounding unit. Lengths of signal routes from the feeding terminal through the first radiating element and the second radiating element to the grounding unit are substantially equal to a half wavelength of the radio signals of the first frequency band and a half wavelength of the radio signals of the second frequency band, respectively.Type: ApplicationFiled: June 17, 2013Publication date: August 28, 2014Inventors: Chung-Hung Chen, Chih-Sen Hsieh, Chih-Ming Wang
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Patent number: 8766856Abstract: A wideband antenna includes a grounding element electrically connected to a ground, a radiating element, a matching adjustment element electrically connected to the radiating element, a feed-in element electrically connected between the matching adjustment element and the grounding element for receiving feed-in signals, and a shorting element electrically connected between the matching adjustment element and the grounding element. A width of the matching adjustment element is related to a bandwidth of the wideband antenna.Type: GrantFiled: August 16, 2011Date of Patent: July 1, 2014Assignee: Wistron NeWeb CorporationInventors: Chih-Sen Hsieh, Jen-Min Shau, Hsiao-Yi Lin
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Publication number: 20140104134Abstract: An antenna structure is provided, including a first radiator, a second radiator, a second coupling portion and a switch Circuit. The first radiator includes a feed portion and a first radiator body. The second radiator includes a first coupling portion, a second radiator body and a ground portion. The first coupling portion is connected to a first end portion of the second radiator body. The ground portion is connected to the second radiator body. At least a portion of the first radiator body is located between the first coupling portion and the second coupling portion. When the antenna structure is in a first mode, the switch circuit forms an electric path between the second radiator and the second coupling portion, and when the antenna structure is in a second mode, the switch circuit removes the electric path between the second radiator and the second coupling portion.Type: ApplicationFiled: July 30, 2013Publication date: April 17, 2014Applicant: Wistron NeWeb Corp.Inventors: Chung-Hung CHEN, Yi-Hung CHIU, Chia-Hao CHANG, Chih-Sen HSIEH
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Patent number: 8694063Abstract: A radio-frequency (RF) device for a wireless communication device includes an antenna disposition area, and a plurality of antennas of a same type, formed in the antenna disposition area by different arrangements, for receiving or transmitting a plurality of wireless signals of a same frequency band.Type: GrantFiled: March 16, 2012Date of Patent: April 8, 2014Assignee: Wistron NeWeb CorporationInventors: Tso-Ming Hung, Jhih-Yuan Ke, Chih-Sen Hsieh, Ming-Feng Chang, Chih-Ming Wang
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Publication number: 20130189934Abstract: A radio-frequency (RF) device for a wireless communication device includes an antenna disposition area, and a plurality of antennas of a same type, formed in the antenna disposition area by different arrangements, for receiving or transmitting a plurality of wireless signals of a same frequency band.Type: ApplicationFiled: March 16, 2012Publication date: July 25, 2013Inventors: Tso-Ming Hung, Jhih-Yuan Ke, Chih-Sen Hsieh, Ming-Feng Chang, Chih-Ming Wang
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Publication number: 20120299780Abstract: A wideband antenna includes a grounding element electrically connected to a ground, a radiating element, a matching adjustment element electrically connected to the radiating element, a feed-in element electrically connected between the matching adjustment element and the grounding element for receiving feed-in signals, and a shorting element electrically connected between the matching adjustment element and the grounding element. A width of the matching adjustment element is related to a bandwidth of the wideband antenna.Type: ApplicationFiled: August 16, 2011Publication date: November 29, 2012Inventors: Chih-Sen Hsieh, Jen-Min Shau, Hsiao-Yi Lin
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Patent number: 7911398Abstract: An antenna structure includes a radiation element, a grounding element, and a feeding point. The radiation element includes a first section and a second section coupled to the first section. The grounding element includes a third section and a fourth section coupled to the third section. The third section is substantially parallel to the first section. The feeding point is coupled between the second section of the radiation element and the fourth section of the grounding element.Type: GrantFiled: April 9, 2008Date of Patent: March 22, 2011Assignee: Wistron NeWeb CorporationInventors: Chih-Sen Hsieh, Hung-Yi Lin, Feng-Chi Eddie Tsai
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Patent number: 7663559Abstract: An antenna structure includes a radiation element, a grounding element, and a feeding point. The grounding element includes a first grounding sub-element and a second grounding sub-element. The second grounding sub-element is coupled to the first grounding sub-element and has a loop structure. One section of the loop structure overlaps a first end of the radiation element and is at a designated distance from the first end of the radiation element in a designated direction. The feeding point is coupled between a second end of the radiation element and the first grounding sub-element.Type: GrantFiled: April 9, 2008Date of Patent: February 16, 2010Assignee: Wistron NeWeb CorporationInventors: Chih-Sen Hsieh, Hung-Yi Lin, Feng-Chi Eddie Tsai
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Publication number: 20090153415Abstract: An antenna structure includes a radiation element, a grounding element, and a feeding point. The radiation element includes a first section and a second section coupled to the first section. The grounding element includes a third section and a fourth section coupled to the third section. The third section is substantially parallel to the first section. The feeding point is coupled between the second section of the radiation element and the fourth section of the grounding element.Type: ApplicationFiled: April 9, 2008Publication date: June 18, 2009Inventors: Chih-Sen Hsieh, Hung-Yi Lin, Feng-Chi Eddie Tsai
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Publication number: 20090153414Abstract: An antenna structure includes a radiation element, a grounding element, and a feeding point. The grounding element includes a first grounding sub-element and a second grounding sub-element. The second grounding sub-element is coupled to the first grounding sub-element and has a loop structure. One section of the loop structure overlaps a first end of the radiation element and is at a designated distance from the first end of the radiation element in a designated direction. The feeding point is coupled between a second end of the radiation element and the first grounding sub-element.Type: ApplicationFiled: April 9, 2008Publication date: June 18, 2009Inventors: Chih-Sen Hsieh, Hung-Yi Lin, Feng-Chi Eddie Tsai
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Publication number: 20070132644Abstract: The present invention provides an antenna structure for input and output signals, which includes multiple antenna units and a carrier. The carrier has a first and second bearing surface, the first bearing surface of the carrier having multiple antenna units placed on it separately, so that the loading structure of the antenna units goes through the first bearing surface to the second bearing surface. A boring hole is placed on the carrier, and the boring hole is used to secure the carrier with antenna units on a object. Through this invention, the antenna uses the carrier to integrate the module and makes the antenna structure for multiple input and output signals.Type: ApplicationFiled: February 27, 2006Publication date: June 14, 2007Applicant: Wha Yu Industrial Co., Ltd.Inventors: Shih-Chung Chen, Chung-Ta Wu, Chih-Sen Hsieh