Patents by Inventor Kuo Chang Lo
Kuo Chang Lo 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: 20140285380Abstract: An antenna structure is provided. The antenna structure includes a radiating portion having an approximately quadrangular body, wherein the quadrangular body has a first side, a second side opposite to the first side, a third side, and a fourth side opposite to the third side; and a ground portion surrounding an entire length of the first side, an entire length of the fourth side, and at most a half of a length of the second side.Type: ApplicationFiled: July 25, 2013Publication date: September 25, 2014Applicant: ARCADYAN TECHNOLOGY CORPORATIONInventors: Jian-Jhih Du, Chih-Yung Huang, Kuo-Chang Lo
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Patent number: 8779992Abstract: A wireless communication apparatus and a planar antenna thereof are provided. The wireless communication apparatus comprises a connecting port, a printed circuit board, and a planar antenna. The printed circuit board is connected to the connecting port, and the planar antenna is formed on the printed circuit board. The planar antenna comprises a radiation portion, a shorting portion, and a feeding portion. The feeding portion is connected to the radiation portion and the shorting portion, and the radiation portion and the shorting portion are in a bent shape so that the radiation portion, the shorting portion and the feeding portion are distributed in a rectangular region.Type: GrantFiled: July 1, 2011Date of Patent: July 15, 2014Assignee: Arcadyan Technology CorporationInventors: Sy-Been Wang, Kuo-Chang Lo, Shih-Chieh Cheng
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Publication number: 20140191918Abstract: Disclosure is related to an omnidirectional antenna. Structurally the antenna includes multiple antenna units which are oppositely disposed around the edges of a grounded substrate. The antenna is able to handle at least two bands of electromagnetic signals. The body of each antenna unit includes a radiating member which is extended from an inverse-F portion type structure at the upper half of the body. A downward-protrudent feeding member is formed at the middle portion of the radiating member. A connecting member electrically connected to the substrate is formed at the lower half of the body, and associated with the radiating member. At least two upward-protrudent grounding members are formed onto the connecting member. The grounding members are jointly grounded with the substrate. It is noted that the feeding member is extended in the midst of the two grounding members. The opposite antenna units are mutually served be reflectors.Type: ApplicationFiled: September 27, 2013Publication date: July 10, 2014Applicant: ARCADYAN TECHNOLOGY CORPORATIONInventors: SHIH-CHIEH CHENG, KUO-CHANG LO
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Publication number: 20140168029Abstract: A printed antenna module applied to an RF detection procedure is provided. The module comprises a substrate, a ground terminal part, a feeding part, an antenna body, and a second connecting end. The substrate comprises a first surface and a second surface. The ground terminal part and the feeding part are disposed on the first surface. A first end of the feeding part corresponds to the ground terminal part. The antenna body, disposed on the first surface relative to the ground terminal part, comprises a first extending part. One end of the first extending part forms a first connecting end. The second connecting end is disposed on the first surface. The shapes of the first and the second connecting ends correspond to each other. A second end of the feeding part is connected to the second connecting end. An RF detection point is formed on the second surface.Type: ApplicationFiled: August 9, 2013Publication date: June 19, 2014Applicant: ARCADYAN TECHNOLOGY CORPORATIONInventors: Chih-Yung HUANG, Jian-Jhih DU, Kuo-Chang LO
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Publication number: 20140145885Abstract: A printed wide band monopole antenna module is provided. The module comprises: a substrate having a first surface, a ground terminal part formed on the first surface, and an antenna body disposed on the first surface opposite to the ground terminal part. The antenna body comprises: a first extending part having a first length, a second extending part having a second length, and a third extending part having a first width. The width of the second extending part is the first width plus a second width. The second extending part forms a connection with the first and the third extending part. The ratio of the first length to the second length is less than a first value. The ratio of the first length to the sum of the first and the second width is less than a second value.Type: ApplicationFiled: June 12, 2013Publication date: May 29, 2014Inventors: Chih-Yung Huang, Kuo-Chang Lo, Jen-Hsiang Fang
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Patent number: 8736494Abstract: A dual band antenna is provided. The dual band antenna includes a grounding portion, a connecting portion, a feeding portion, a radiating portion, a first radiating portion and a second radiating portion. The connecting portion is vertically connected to the grounding portion. The feeding portion has a first end and a second end, wherein the first end is connected to the connecting portion and the second end has a feeding end. The radiating portion is parallel to the grounding portion and vertically connected to the connecting portion. The first radiating portion has a third end and a fourth end, wherein the third end is connected to the radiating portion and the fourth end extends toward the radiating portion. The second radiating portion is vertically connected to the radiating portion.Type: GrantFiled: December 5, 2011Date of Patent: May 27, 2014Assignee: Arcadyan Technology Corp.Inventors: Chih-Yung Huang, Kuo-Chang Lo
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Publication number: 20140139378Abstract: The monopole antenna comprises an antenna body comprising a first radiation portion and a second radiation portion comprising a feed-in terminal, wherein the first radiation portion has a length and a width extending respectively in a first direction and a second direction, the first direction is perpendicular to the second direction, and the first radiation portion is connected to the second radiation portion in the first direction; a dielectric part, coupled to the antenna body; and a ground part, coupled to the dielectric part for enabling the dielectric part to isolate the antenna body from the ground part; wherein the length of the first radiation portion is adjusted to adjust operation frequency of the antenna body, the width of the first radiation portion is adjusted to adjust operation bandwidth of the antenna body, and size of the second radiation part is adjusted to adjust impedance matching of the antenna body.Type: ApplicationFiled: November 15, 2013Publication date: May 22, 2014Applicant: ARCADYAN TECHNOLOGY CORPORATIONInventors: CHIH-YUNG HUANG, KUO-CHANG LO
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Patent number: 8704715Abstract: A dual band antenna with improved radiation characteristic, comprising: a ground plane, formed at the bottom thereof; two impedance matching elements formed respectively at the two arms thereof while connecting to the ground plane so as to form a first joint and a second joint at the connections in respective; a first radiation unit, connected to the first joint, being formed like an arc connected to the first joint that is disposed concave to the bottom ground plane while extending from the first joint toward the second joint, and then turning vertically upward from the end of the arc for enabling the end of the vertical portion to connect to a second radiation unit; and the second radiation unit, being formed like an arc that is disposed concave to the bottom ground plane while extending from the joint with the first radiation unit toward the first joint.Type: GrantFiled: October 20, 2011Date of Patent: April 22, 2014Assignee: Arcadyan Technology CorporationInventors: Shih-Chieh Cheng, Kuo-Chang Lo
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Publication number: 20140062795Abstract: An antenna including a radiation portion is provided. The radiation portion includes a feed terminal and three conductor branch paths directly extending from the feed terminal. The three conductor branch paths are located on the same side of the feed terminal, and each has an initial direction, and any two of the three initial directions have an acute angle therebetween. A method for manufacturing an antenna having three operating frequency bands is also provided.Type: ApplicationFiled: September 4, 2013Publication date: March 6, 2014Applicant: Arcadyan Technology CorporationInventors: Chih-Yung Huang, Kuo-Chang Lo, Jen-Hsiang Fang
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Patent number: 8643563Abstract: An antenna with electromagnetic interference (EMI) shelter is disclosed, which comprises: an EMI shelter, mounted on a substrate while covering the same; a radiation unit; an induction current steering unit, disposed at a position between the EMI shelter and the radiation unit; and a signal feed-in unit, electrically connected with the radiation unit; wherein, the induction current generated by the radiation unit when it is activating is guided to the EMI shelter through the guidance of the induction current steering unit, and then to be feed into a ground connection (GND), thereby, preventing the operation of radio circuit elements that are mounted on the substrate from being interfered by the electric wave resulting from the induction current. With the aforesaid configuration, not only the EMI effect can be significantly suppressed and the overall manufacturing cost of the antenna can be effectively reduced, but also the signal transmission efficiency is improved.Type: GrantFiled: October 19, 2011Date of Patent: February 4, 2014Assignee: Arcadyan Technology CorporationInventors: Shih-Chieh Cheng, Yong-Xiang Hsieh, Kuo-Chang Lo
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Publication number: 20140009359Abstract: The present invention discloses an electronic device including a signal transmission module and a wideband monopole antenna. A feeding portion of the antenna is coupled to the signal transmission module through a feeding cable. A first radiating portion and a second radiating portion of the antenna are respectively coupled to the feeding portion, wherein the feeding portion, the first radiating portion, and a signal ground portion define a first slot, while the second radiating portion and the signal ground portion define a second slot. In the first slot, the spacing between the first radiating portion and the signal ground portion is not less than a first distance. In the second slot, the spacing between the second radiating portion and the signal ground portion is not less than a second distance. Thus, the voltage standing wave ratio of the antenna within a frequency band is less than a threshold.Type: ApplicationFiled: November 4, 2012Publication date: January 9, 2014Applicant: ARCADYAN TECHNOLOGY CORPORATIONInventors: CHIH-YUNG HUANG, KUO-CHANG LO, JIAN-JHIH DU
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Publication number: 20140002309Abstract: A present invention relates to a monopole wideband antenna, that is a wall mounted handing type antenna capable of providing easy frequency adjustment and operating at broad frequency band range. Moreover, the monopole wideband antenna of the invention can be applied in various electronic devices, and is advantageous in its low cost and small size since it can be fabricated directly using a means of print formation upon a circuitboard.Type: ApplicationFiled: September 14, 2012Publication date: January 2, 2014Applicant: ARCADYAN TECHNOLOGY CORPORATIONInventors: CHIH-YUNG HUANG, Jian-Jhih Du, Kuo-Chang Lo
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Patent number: 8536973Abstract: An over-current protection device includes two metal foils and a PTC material layer. The PTC material layer is laminated between the two metal foils and has a resistivity less than 0.4 ?-cm. The PTC material layer includes crystalline polymer and electrically conductive ceramic filler dispersed in the crystalline polymer. The conductive ceramic filler is of HCP structure and includes 70-95% by weight of the PTC material layer. The trip jump value of the over-current protection device after 300 times trip is less than or equal to 25. The resistance repeatability of the device can be effectively improved by adding the conductive ceramic filler.Type: GrantFiled: June 25, 2012Date of Patent: September 17, 2013Assignee: Polytronics Technology Corp.Inventors: Kuo Chang Lo, Yao Te Chang, Ya Fang Liang, Yi An Sha, David Shau Chew Wang
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Patent number: 8525636Abstract: A thermistor includes a first electrically conductive member, a second electrically conductive member and a polymer material layer laminated therebetween. The polymer material layer exhibits positive temperature coefficient (PTC) behavior, and includes at least one crystalline polymer and at least one electrically conductive filler distributed in the crystalline polymer. The conductive filler has a resistivity less than 500 ??-cm and includes 72-96% by weight of the polymer material layer. The thermistor has a device effective area, and the value of the hold current at 60° C. divided by the device effective area is around 0.16-0.8 A/mm2. The ratio of the hold current of the thermistor at 60° C. to the hold current at 25° C. of the thermistor is 40-95%.Type: GrantFiled: April 4, 2012Date of Patent: September 3, 2013Assignee: Polytronics Technology Corp.Inventors: Yi An Sha, Kuo Chang Lo, Tsungmin Su
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Publication number: 20130200988Abstract: An over-current protection device includes two metal foils and a PTC material layer. The PTC material layer is laminated between the two metal foils and has a resistivity less than 0.4 ?-cm. The PTC material layer includes crystalline polymer and electrically conductive ceramic filler dispersed in the crystalline polymer. The conductive ceramic filler is of HCP structure and includes 70-95% by weight of the PTC material layer. The trip jump value of the over-current protection device after 300 times trip is less than or equal to 25. The resistance repeatability of the device can be effectively improved by adding the conductive ceramic filler.Type: ApplicationFiled: June 25, 2012Publication date: August 8, 2013Applicant: POLYTRONICS TECHNOLOGY CORP.Inventors: KUO CHANG LO, YAO TE CHANG, YA FANG LIANG, YI AN SHA, DAVID SHAU CHEW WANG
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Patent number: 8502748Abstract: A three-dimensional dual-band antenna including a first radiation portion, a second radiation portion, a connection portion, an impedance matching portion and a feeding portion is provided. The second radiation portion is located under the radiation portion and parallel with the first radiation portion. The connection portion is connected to the first side of the first radiation portion and extended downward vertically, for connecting the first radiation portion and the second radiation portion. The impedance matching portion is connected to a second side of the first radiation portion and extended downward vertically. The first side and the second side are opposite. The feeding portion is connected to the second side and extended downward vertically. The feeding portion receives a feeding signal. The first and the second radiation portion are operated at the first and the second bandwidth respectively, wherein the second bandwidth is in higher frequency than the first bandwidth.Type: GrantFiled: August 27, 2010Date of Patent: August 6, 2013Assignee: Arcadyan Technology CorporationInventors: Mao-Tse Liang, Shih-Chieh Cheng, Kuo-Chang Lo
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Patent number: 8471778Abstract: A solid dual-band antenna device is provided. The solid dual-band antenna device includes a Z-shape antenna structure comprising a first turn having a first turning angle, and connected to a ground portion and a first radiating portion; and a second turn having a second turning angle, and connected to the first radiating portion and a second radiating portion; a feeding portion disposed at the second turn for feeding a signal; an extending ground portion non-coplanarly extended from an outer side of the ground portion; and an extending radiating portion non-coplanarly extended from an outer side of the second radiating portion, wherein a first slot is disposed at an arbitrary position of the second radiating portion, and a length of the first radiating portion is different from a length of the second radiating portion.Type: GrantFiled: August 27, 2009Date of Patent: June 25, 2013Assignee: Arcadyan Technology CorporationInventors: Chih-Yung Huang, Wen-Szu Tao, Kuo-Chang Lo
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Publication number: 20130154884Abstract: A broadband planar inverted-F antenna includes a first radiation conductor, a second radiation conductor and a third radiation conductor. The first radiation conductor includes a first inclined-plane portion and a feeding point. The feeding point is located at one end of the first inclined-plane portion. The second radiation conductor is connected to the first radiation conductor at the feeding point. The third radiation conductor is connected to the first radiation conductor, and includes a second inclined-plane portion and a ground point. The second inclined-plane portion is separated from and facing to the first inclined-plane portion. The ground point is located at one end of the second inclined-plane portion and facing to the feeding point, wherein the distance between the first inclined-plane portion and the second inclined-plane portion is gradually increased from the part near the feeding point along a direction departing from the feeding point.Type: ApplicationFiled: July 26, 2012Publication date: June 20, 2013Applicant: Arcadyan Technology CorporationInventors: Shih-Chieh CHENG, Kuo-Chang LO
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Patent number: 8446245Abstract: An over-current protection device includes two metal foils and a PTC material layer laminated therebetween. The PTC material layer has a volume resistivity between 0.07 ?-cm and 0.32 ?-cm. The PTC material layer includes a crystalline polymer, a conductive ceramic carbide filler of a particle size between 0.1 ?m and 50 ?m and a volume resistivity less than 0.1 ?-cm, and a carbon black filler. The weight ratio of the carbon black filler to the conductive ceramic carbide filler is between 1:90 and 1:4. The conductive ceramic carbide filler and the carbon black filler are dispersed in the crystalline polymer. The resistance ratio R100/Ri is between 3 and 20.Type: GrantFiled: September 19, 2011Date of Patent: May 21, 2013Assignee: Polytronics Technology Corp.Inventors: David Shau Chew Wang, Yi An Sha, Kuo Chang Lo, Tai Kuang Hei
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Publication number: 20130070380Abstract: An over-current protection device includes two metal foils and a PTC material layer laminated therebetween. The PTC material layer has a volume resistivity between 0.07 ?-cm and 0.32 ?-cm. The PTC material layer includes a crystalline polymer, a conductive ceramic carbide filler of a particle size between 0.1 ?m and 50 ?m and a volume resistivity less than 0.1 ?-cm, and a carbon black filler. The weight ratio of the carbon black filler to the conductive ceramic carbide filler is between 1:90 and 1:4. The conductive ceramic carbide filler and the carbon black filler are dispersed in the crystalline polymer. The resistance ratio R100/Ri is between 3 and 20.Type: ApplicationFiled: September 19, 2011Publication date: March 21, 2013Applicant: POLYTRONICS TECHNOLOGY CORP.Inventors: David Shau Chew WANG, Yi An Sha, Kuo Chang Lo, Tai Kuang Hei