Patents by Inventor I-Shan Chen
I-Shan Chen 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: 9905920Abstract: A smart electric meter is provided. The smart electric meter includes a body, an antenna holder, an antenna structure and a supporting member. The antenna holder is disposed on the body, wherein the antenna holder is annular. The antenna structure is disposed on the antenna holder, wherein the antenna structure is moveable along a circumferential direction of the antenna holder. The supporting member is connected to the antenna structure, wherein the supporting member is moveably disposed on the antenna holder, and the supporting member moves the antenna structure along the circumferential direction of the antenna holder.Type: GrantFiled: August 14, 2013Date of Patent: February 27, 2018Assignee: WISTRON NEWEB CORP.Inventors: Chia-Hong Lin, Chang-Hsiu Huang, I-Shan Chen, Guo-Cheng Tsai, Chun-Chia Kuo
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Patent number: 9525208Abstract: A multiband antenna for receiving or transmitting wireless signals of a plurality of frequency bands includes a grounding sheet, formed with a hole at a first side, for providing grounding, a first micro-strip line, substantially parallel to the first side of the grounding sheet, a connecting unit, connecting to the first side of the grounding sheet and the first micro-strip line, for forming a resonant cavity with the first side of the grounding sheet and the first micro-strip line, a second micro-strip line, formed in the resonant cavity and substantially parallel to the first micro-strip line, a third micro-strip line, extending from the hole of the grounding sheet to the second micro-strip line, and a feed-in terminal, formed on the third micro-strip line within the hole, for transmitting the wireless signals.Type: GrantFiled: January 15, 2014Date of Patent: December 20, 2016Assignee: Wistron NeWeb CorporationInventors: I-Shan Chen, Chia-Hong Lin, Yu-Chun Huang, Hsin-Lung Hsiao
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Patent number: 9400328Abstract: A radar device for an automotive radar system includes a base, a first antenna module including a first transmitting antenna and a plurality of first receiving antennas for emitting a detection signal and generating a first signal receiving result, wherein the first antenna is fixed on the base, a second antenna module including a second transmitting antenna and a plurality of second receiving antennas for emitting the detection signal and generating a second signal receiving result, wherein the second antenna is fixed on the base, and a control system disposed in the base and coupled to the first antenna module and the second antenna module for outputting the detection signal to the first transmitting antenna and the second antenna and processing the first signal receiving result and the second signal receiving result.Type: GrantFiled: August 19, 2013Date of Patent: July 26, 2016Assignee: Wistron NeWeb CorporationInventors: Hsin-Lung Hsiao, I-Shan Chen
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Patent number: 9268009Abstract: A compound circuit board for a radar device includes a first substrate including a plurality of trace layers having a first trace layer formed with a digital signal processing unit and an electronic control unit in a first area, a second substrate including a plurality of trace layers having a second trace layer formed with an antenna module in a second area, and a prepreg layer between the first and second substrates for connecting the first and second substrates, wherein the first area and the second area in a first projecting result generated by projecting the first trace layer on the second trace layer are substantially overlapped.Type: GrantFiled: July 10, 2013Date of Patent: February 23, 2016Assignee: Wistron NeWeb CorporationInventors: Chien-Chung Tseng, Cheng-Hsiung Hsu, Tsai-Wang Chang, I-Shan Chen, Min-Jung Wu
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Patent number: 9261584Abstract: A radio-frequency transceiver system comprises a radio-frequency processing unit, a transmitting microwave network and a receiving microwave network, wherein the transmitting microwave network comprises a transmitting power divider for distributing main power of transmitting signals to two central sub-array antennas of four sub-array antennas, and the receiving microwave network comprises a receiving power divider for providing power mainly from a first input terminal and a second input terminal for a receiving route, and providing power mainly from the second input terminal and a third input terminal for another receiving route.Type: GrantFiled: April 18, 2013Date of Patent: February 16, 2016Assignee: Wistron NeWeb CorporationInventors: Guo-Shu Huang, I-Shan Chen, Cheng-Hsiung Hsu, Hsin-Lung Hsiao
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Patent number: 9214729Abstract: An antenna includes a radiating element with a shape substantially conforming to a quadrilateral, a grounding and feed-in element, substantially surrounding the radiating element and having an opening formed near to a fourth side of the radiating element, wherein the grounding and feed-in element is electrically connected to a ground at one side of the opening and is electrically connected to a signal feed-in terminal at another side of the opening, a first connection element, having a terminal electrically connected to a first side and the fourth side of the radiating element, and another terminal electrically connected to the grounding and feed-in element, and a second connection element, having a terminal electrically connected to a third side and the fourth side of the radiating element, and another terminal electrically connected to the grounding and feed-in element.Type: GrantFiled: March 13, 2013Date of Patent: December 15, 2015Assignee: Wistron NeWeb CorporationInventors: I-Shan Chen, Guo-Shu Huang, Cheng-Hsiung Hsu
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Patent number: 9182479Abstract: A radar system comprises a transmitting device comprising a reference frequency source, for generating a reference frequency signal; a direct-digital synthesizer, coupled to the reference frequency source, for generating a synthesized frequency signal according to the reference frequency signal; a phase lock loop, coupled to the direct-digital synthesizer, for converting the synthesized frequency signal to an output signal; a transmitting antenna, coupled to the phase lock loop, for emitting the output signal to the air; and a loop switch module, coupled to the phase lock loop, for switching the phase lock loop between an open loop mode and a closed loop mode; and at least one receiving device, for receiving at least one wireless signal, and processing the at least one wireless signal according to the output signal generated by the phase lock loop.Type: GrantFiled: March 26, 2013Date of Patent: November 10, 2015Assignee: Wistron NeWeb CorporationInventors: I-Shan Chen, Trsung-Fu Hsu, Cheng-Hsiung Hsu, Hsin-Lung Hsiao
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Patent number: 9160057Abstract: An unsymmetrical dipole antenna includes a grounding element, a radiating element, and a feed-in wire. The grounding element includes a first short side metal plane and a first long side metal plane. The radiating element includes a second short side metal plane and a second long side metal plane. The feed-in wire includes a metal wire, coupled to the second short side metal plane for transmitting a feed-in signal; an insulation layer, covering the metal wire; a metal weave, covering the insulation layer, having one terminal coupled to the first short side metal plane of the grounding element, and another terminal coupled to a system ground of the wireless communication device; and a protective layer, covering the metal weave. A size of the grounding element and a size of the radiating element are irrelative.Type: GrantFiled: November 28, 2011Date of Patent: October 13, 2015Assignee: Wistron NeWeb CorporationInventors: I-Shan Chen, Jia-Fong Wu, Chia-Hong Lin, Cheng-Hsiung Hsu, Chao-Chun Lin
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Patent number: 9099985Abstract: A power divider for transmitting signals of an input terminal to a plurality of output terminals includes a rectangular microstrip line coupled to the input terminal, and a plurality of coupling units conducting the rectangular microstrip line and the plurality of output terminals by electromagnetic coupling, wherein each of the plurality of coupling units and the rectangular microstrip line are separated by a first gap, and each coupling unit includes at least one dual-L resonator disposed between the microstrip line and an output terminal, wherein the first gap and a second gap of each dual-L resonator are related to a power ratio between the input terminal and the plurality of output terminals.Type: GrantFiled: October 16, 2013Date of Patent: August 4, 2015Assignee: Wistron NeWeb CorporationInventors: Guo-Shu Huang, I-Shan Chen
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Patent number: 9059509Abstract: A decoupling circuit for enhancing isolation of two monopole antennas is disclosed. The two monopole antennas substantially symmetrically stand on a bottom, and a gap is formed between the two monopole antennas. The decoupling circuit includes a grounding element located on the bottom and electrically connected to a ground, a connection bar substantially perpendicular to the bottom, including a first terminal electrically connected to the grounding element, a second terminal extending to the gap, a first branch extending from the second terminal of the connection bar to a first monopole antenna of the two monopole antennas, and a second branch extending from the second terminal of the connection bar to a second monopole antenna of the two monopole antennas.Type: GrantFiled: September 5, 2012Date of Patent: June 16, 2015Assignee: Wistron NeWeb CorporationInventors: I-Shan Chen, Tien-Min Lin, Cheng-Hsiung Hsu, Yi-Chieh Wang
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Publication number: 20150048989Abstract: A multiband antenna for receiving or transmitting wireless signals of a plurality of frequency bands includes a grounding sheet, formed with a hole at a first side, for providing grounding, a first micro-strip line, substantially parallel to the first side of the grounding sheet, a connecting unit, connecting to the first side of the grounding sheet and the first micro-strip line, for forming a resonant cavity with the first side of the grounding sheet and the first micro-strip line, a second micro-strip line, formed in the resonant cavity and substantially parallel to the first micro-strip line, a third micro-strip line, extending from the hole of the grounding sheet to the second micro-strip line, and a feed-in terminal, formed on the third micro-strip line within the hole, for transmitting the wireless signals.Type: ApplicationFiled: January 15, 2014Publication date: February 19, 2015Applicant: Wistron NeWeb CorporationInventors: I-Shan Chen, Chia-Hong Lin, Yu-Chun Huang, Hsin-Lung Hsiao
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Patent number: 8957825Abstract: A decoupling circuit for enhancing isolation of two antennas is disclosed. The two antennas are substantially symmetrically disposed on a substrate. The decoupling circuit includes a first and second metal strips parallel disposed between the two antennas and electrically connected to a ground, a connection strip electrically connected between terminals of the first and second metal strips, to substantially form a doorframe structure, a first comb structure comprising a plurality of metal segments parallel to each other, disposed on the substrate, electrically connected to and perpendicular to the first metal strip, and a second comb structure comprising a plurality of metal segments parallel to each other, disposed on the substrate, electrically connected to and perpendicular to the second metal strip.Type: GrantFiled: March 7, 2013Date of Patent: February 17, 2015Assignee: Wistron NeWeb CorporationInventors: I-Shan Chen, Chao-Chun Lin, Yi-Chieh Wang, Cheng-Hsiung Hsu
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Publication number: 20150029072Abstract: A power divider for transmitting signals of an input terminal to a plurality of output terminals includes a rectangular microstrip line coupled to the input terminal, and a plurality of coupling units conducting the rectangular microstrip line and the plurality of output terminals by electromagnetic coupling, wherein each of the plurality of coupling units and the rectangular microstrip line are separated by a first gap, and each coupling unit includes at least one dual-L resonator disposed between the microstrip line and an output terminal, wherein the first gap and a second gap of each dual-L resonator are related to a power ratio between the input terminal and the plurality of output terminals.Type: ApplicationFiled: October 16, 2013Publication date: January 29, 2015Applicant: Wistron NeWeb CorporationInventors: Guo-Shu Huang, I-Shan Chen
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Publication number: 20140313067Abstract: A radar device for an automotive radar system includes a base, a first antenna module including a first transmitting antenna and a plurality of first receiving antennas for emitting a detection signal and generating a first signal receiving result, wherein the first antenna is fixed on the base, a second antenna module including a second transmitting antenna and a plurality of second receiving antennas for emitting the detection signal and generating a second signal receiving result, wherein the second antenna is fixed on the base, and a control system disposed in the base and coupled to the first antenna module and the second antenna module for outputting the detection signal to the first transmitting antenna and the second antenna and processing the first signal receiving result and the second signal receiving result.Type: ApplicationFiled: August 19, 2013Publication date: October 23, 2014Applicant: Wistron NeWeb CorporationInventors: Hsin-Lung Hsiao, I-Shan Chen
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Publication number: 20140313069Abstract: A compound circuit board for a radar device includes a first substrate including a plurality of trace layers having a first trace layer formed with a digital signal processing unit and an electronic control unit in a first area, a second substrate including a plurality of trace layers having a second trace layer formed with an antenna module in a second area, and a prepreg layer between the first and second substrates for connecting the first and second substrates, wherein the first area and the second area in a first projecting result generated by projecting the first trace layer on the second trace layer are substantially overlapped.Type: ApplicationFiled: July 10, 2013Publication date: October 23, 2014Inventors: Chien-Chung Tseng, Cheng-Hsiung Hsu, Tsai-Wang Chang, I-Shan Chen, Min-Jung Wu
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Publication number: 20140203960Abstract: A radio-frequency transceiver system comprises a radio-frequency processing unit, a transmitting microwave network and a receiving microwave network, wherein the transmitting microwave network comprises a transmitting power divider for distributing main power of transmitting signals to two central sub-array antennas of four sub-array antennas, and the receiving microwave network comprises a receiving power divider for providing power mainly from a first input terminal and a second input terminal for a receiving route, and providing power mainly from the second input terminal and a third input terminal for another receiving route.Type: ApplicationFiled: April 18, 2013Publication date: July 24, 2014Applicant: Wistron NeWeb CorporationInventors: Guo-Shu Huang, I-Shan Chen, Cheng-Hsiung Hsu, Hsin-Lung Hsiao
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Publication number: 20140168004Abstract: A radar system comprises a transmitting device comprising a reference frequency source, for generating a reference frequency signal; a direct-digital synthesizer, coupled to the reference frequency source, for generating a synthesized frequency signal according to the reference frequency signal; a phase lock loop, coupled to the direct-digital synthesizer, for converting the synthesized frequency signal to an output signal; a transmitting antenna, coupled to the phase lock loop, for emitting the output signal to the air; and a loop switch module, coupled to the phase lock loop, for switching the phase lock loop between an open loop mode and a closed loop mode; and at least one receiving device, for receiving at least one wireless signal, and processing the at least one wireless signal according to the output signal generated by the phase lock loop.Type: ApplicationFiled: March 26, 2013Publication date: June 19, 2014Applicant: WISTRON NEWEB CORPORATIONInventors: I-Shan Chen, Trsung-Fu Hsu, Cheng-Hsiung Hsu, Hsin-Lung Hsiao
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Publication number: 20140145909Abstract: An antenna includes a radiating element with a shape substantially conforming to a quadrilateral, a grounding and feed-in element, substantially surrounding the radiating element and having an opening formed near to a fourth side of the radiating element, wherein the grounding and feed-in element is electrically connected to a ground at one side of the opening and is electrically connected to a signal feed-in terminal at another side of the opening, a first connection element, having a terminal electrically connected to a first side and the fourth side of the radiating element, and another terminal electrically connected to the grounding and feed-in element, and a second connection element, having a terminal electrically connected to a third side and the fourth side of the radiating element, and another terminal electrically connected to the grounding and feed-in element.Type: ApplicationFiled: March 13, 2013Publication date: May 29, 2014Applicant: WISTRON NEWEB CORPORATIONInventors: I-Shan Chen, Guo-Shu Huang, Cheng-Hsiung Hsu
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Publication number: 20140125543Abstract: A decoupling circuit for enhancing isolation of two antennas is disclosed. The two antennas are substantially symmetrically disposed on a substrate. The decoupling circuit includes a first and second metal strips parallel disposed between the two antennas and electrically connected to a ground, a connection strip electrically connected between terminals of the first and second metal strips, to substantially form a doorframe structure, a first comb structure comprising a plurality of metal segments parallel to each other, disposed on the substrate, electrically connected to and perpendicular to the first metal strip, and a second comb structure comprising a plurality of metal segments parallel to each other, disposed on the substrate, electrically connected to and perpendicular to the second metal strip.Type: ApplicationFiled: March 7, 2013Publication date: May 8, 2014Applicant: WISTRON NEWEB CORPORATIONInventors: I-Shan Chen, Chao-Chun Lin, Yi-Chieh Wang, Cheng-Hsiung Hsu
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Publication number: 20140118202Abstract: A smart electric meter is provided. The smart electric meter includes a body, an antenna holder, an antenna structure and a supporting member. The antenna holder is disposed on the body, wherein the antenna holder is annular. The antenna structure is disposed on the antenna holder, wherein the antenna structure is moveable along a circumferential direction of the antenna holder. The supporting member is connected to the antenna structure, wherein the supporting member is moveably disposed on the antenna holder, and the supporting member moves the antenna structure along the circumferential direction of the antenna holder.Type: ApplicationFiled: August 14, 2013Publication date: May 1, 2014Applicant: Wistron NeWeb Corp.Inventors: Chia-Hong LIN, Chang-Hsiu HUANG, I-Shan CHEN, Guo-Cheng TSAI, Chun-Chia KUO