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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Patent number: 9653192Abstract: A PTC composition comprises crystalline polymer and conductive filler. The conductive filler comprises tungsten carbide powder dispersed in the crystalline polymer, and the tungsten carbide powder comprises impurity of less than 7% by weight. The impurity comprises the materials other than tungsten monocarbide.Type: GrantFiled: July 22, 2015Date of Patent: May 16, 2017Assignee: Polytronics Technology Corp.Inventors: Chien Cheng Ho, Tong Cheng Tsai, Kuo Chang Lo, Yi An Sha
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Patent number: 9627757Abstract: A monopole antenna is disclosed. The monopole antenna includes a grounding terminal and a transmission line extending along a first direction and including a first terminal and a feeding terminal adjacent to the grounding terminal. The monopole antenna further includes a first radiator connected to the first terminal, extending along a second direction perpendicular to the first direction and operating within a first frequency range. The first radiator has a portion with a width increasing gradually along the second direction. The monopole antenna further includes a second radiator connected to the first terminal, extending along a third direction far away from the grounding terminal, having a first included angle with the transmission line, including a plurality of turns, and operating within a second frequency range.Type: GrantFiled: July 16, 2014Date of Patent: April 18, 2017Assignee: ARCADYAN TECHNOLOGY CORPORATIONInventors: Chih-Yung Huang, Kuo-Chang Lo
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Patent number: 9614286Abstract: A dual-band dipole antenna includes a substrate, grounding area, main radiator, grounding point and a feed-in point. The grounding point may be disposed on the substrate. The main radiator may be disposed on the substrate and in the vicinity of the grounding point; the main radiator may comprises a first radiator and a second radiator, wherein the first radiator may be connected to the second radiator, and there may be a groove between the first radiator and the second radiator; besides the size of the main radiator is disproportional to the size of the grounding area. The grounding point may be disposed on the substrate and connected to the grounding area. The feed-in point may be disposed on the substrate and connected to the main radiator; the grounding point may be in the vicinity of the feed-in point.Type: GrantFiled: April 23, 2015Date of Patent: April 4, 2017Assignee: ARCADYAN TECHNOLOGY CORPORATIONInventors: Jian-Jhih Du, Chih-Yung Huang, Kuo-Chang Lo
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Publication number: 20170085002Abstract: An antenna structure is disclosed. The antenna structure includes a signal-feeding terminal; a first radiating conductor extending from the signal-feeding terminal along a first direction to include a first gradually widening path; a ground terminal configured to be separated from the signal-feeding terminal by a first gap; and a second radiating conductor extending from the ground terminal along a second direction perpendicular to the first direction to include a second gradually widening path.Type: ApplicationFiled: July 29, 2016Publication date: March 23, 2017Inventors: CHIH-YUNG HUANG, Kuo-Chang Lo
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Publication number: 20170085007Abstract: A multi-antenna structure with high-isolation effect includes a substrate and a plurality of antennas. The substrate, formed as a symmetric polygonal metal board, has a plurality of grooves and a plurality of board edges. The antennas vertically installed on the board edges and having a conjunction portion close to the substrate includes a support member and a feed-in member. A radiation member of the antenna connected perpendicular to the support member and the feed-in member has a free radiation end. If virtual extension lines from the radiation ends of any two neighboring antennas are crossed, at least two grooves are constructed in between thereof. If virtual extension lines of the radiation ends of any two neighboring antennas don't cross, at least one groove is constructed between the two neighboring antennas. The groove is applied to avoid signal interference between any two neighboring antennas.Type: ApplicationFiled: April 11, 2016Publication date: March 23, 2017Inventors: MIN-CHI WU, Kuo-Chang Lo
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Patent number: 9595762Abstract: 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: GrantFiled: August 9, 2013Date of Patent: March 14, 2017Assignee: ARCADYAN TECHNOLOGY CORPORATIONInventors: Chih-Yung Huang, Jian-Jhih Du, Kuo-Chang Lo
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Publication number: 20170025944Abstract: A method and apparatus for performing adaptive input current control in an electronic device are provided, where the method may include the steps of: before limiting an input current of a regulator of the electronic device to a target current value, monitoring the input current of the regulator according to a reference current, and decreasing the reference current, to make the reference current change starting from one of a plurality of predetermined reference current values, wherein the input current is obtained from a power source; detecting an input voltage of the regulator to generate a detection signal, to selectively trigger limiting output power of the regulator; and at a time point when the reference current becomes smaller than the input current, limiting the input current of the regulator to the target current value with a latest reference current value of the reference current being utilized as the target current value.Type: ApplicationFiled: January 27, 2016Publication date: January 26, 2017Inventors: Nien-Hui Kung, Kuo-Chang Lo, Chia-Hsiang Lin
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Publication number: 20170018857Abstract: A dual-band antenna including a first radiation part and a second radiation part is provided. The first radiation part is arranged along a first direction. One end of the first radiation part includes a first feeding part. The other end of the first radiation part extends along a second direction and accordingly forms a first bending part. The second radiation part is arranged along the first direction. One end of the second radiation part includes a second feeding part. The projection of the one end of the second radiation part in the second direction is partially overlapped with the first radiation part. The second feeding part and the first feeding part are separated by a first gap. The first bending part and the second radiation part are separated by a second gap which is different from the first gap.Type: ApplicationFiled: June 6, 2016Publication date: January 19, 2017Applicant: Arcadyan Technology CorporationInventors: Kuo-Chang LO, Chih-Yung HUANG
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Patent number: 9548539Abstract: An antenna structure is disclosed. The antenna structure includes a symmetrizing portion and two radiation portions. The symmetrizing portion has an axis and two radiation portions are symmetrically connected to the symmetrizing portion along the axis. Each of the two radiation portions is formed in a boot shape within a quadrilateral region having a first edge with a first length, a second edge with a second length, a third edge with a third length and a fourth edge with a fourth length. Each radiation portion includes a first side having a length being equivalent to the first length, a second side having a length being equivalent to the second length, a third side having a length being at least one-sixth of the third length, a fourth side having a length being at least one-fifth of the fourth length, and a fifth side connecting the third side and the fourth side and forming an arc, wherein the arc follows a quarter trajectory of an ellipse.Type: GrantFiled: October 24, 2014Date of Patent: January 17, 2017Assignee: Arcadyan Technology Corp.Inventors: Jian-Jhih Du, Chih-Yung Huang, Kuo-Chang Lo
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Publication number: 20170012356Abstract: A printed multi-band antenna is provided, which may include a grounding area, a first radiating body and a second radiating body. The grounding area may connect to the grounding layer of a RF cable connecting to a RF signal module. The first radiating body may connect to the grounding area and include a first left branch and a first right branch. The first left branch may be at one side of the joint of the RF cable and the grounding area; the first right branch may be at the opposite side. The second radiating body may connect to the signal wire of the RF cable, and include a second left branch and a second right branch. The second left branch may be at one side of the joint of the RF cable, and the second radiating body and the second right branch may be at the opposite side.Type: ApplicationFiled: October 28, 2015Publication date: January 12, 2017Inventors: CHIH-YUNG HUANG, KUO-CHANG LO
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Publication number: 20160322705Abstract: An assembly-type dual-band printed antenna may include a substrate, an antenna signal feed-in end, a first radiator, a substrate assembly and a second radiator. The antenna signal feed-in end may be disposed on the substrate. The first radiator may be disposed on the substrate and may be coupled to the antenna signal feed-in end. The substrate assembly may be installed on the substrate and may include a via hole. The second radiator may be disposed on the substrate assembly and may be coupled to the first radiator through the via hole.Type: ApplicationFiled: April 12, 2016Publication date: November 3, 2016Inventors: CHIH-YUNG HUANG, MIN-CHI WU, KUO-CHANG LO
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Publication number: 20160301133Abstract: A dual-band antenna disposed on the both sides of a substrate, including: a substrate, a first radiator and a second radiator. The substrate includes a first surface and a second surface; a feeding point is disposed at the edge of the first surface which may have a penetration hole electrically connected the first surface to the second surface. The first radiator extends from the first direction of the feeding point to the edge of the substrate, bend at the first corner, continues to extend toward the edge of the substrate, bends again at the second corner and then extend toward the third corner along the edge of the substrate. The second radiator straightly extends toward the second direction of the feeding point and the second direction's projection on the first surface is vertical to the first direction.Type: ApplicationFiled: July 17, 2015Publication date: October 13, 2016Inventors: Min-Chi WU, Chih-Yung HUANG, Kuo-Chang LO
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Publication number: 20160261051Abstract: A monopole antenna including a ground plane and a radiation body is provided. The radiation body includes a feeding connection part, a first radiation part, a second radiation part and a third radiation part. The feeding connection part is adjacent to the ground plane. The first radiation part connects one side of the feeding connection part and extends along a first direction. The first radiation part includes a metal patch whose width reduces towards the first direction. The second radiation part, being closer to the ground plane than the first radiation part, connects the side of the feeding connection part and extends along the first direction. The third radiation part connects the other side of the feeding connection part and extends along a second direction inverse to the first direction.Type: ApplicationFiled: March 4, 2016Publication date: September 8, 2016Applicant: Arcadyan Technology CorporationInventors: Min-Chi WU, Kuo-Chang LO, Chih-Yung HUANG
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Patent number: 9431710Abstract: 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: GrantFiled: June 12, 2013Date of Patent: August 30, 2016Assignee: ARCADYAN TECHNOLOGY CORPORATIONInventors: Chih-Yung Huang, Kuo-Chang Lo, Jen-Hsiang Fang
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Publication number: 20160233714Abstract: A charge control circuit includes an analog to digital converter (ADC) and a control unit, wherein the ADC is arranged for monitoring a temperature of a battery and converting the monitored temperature to a digital value; and the control unit is coupled to the analog to digital converter, and is arranged for determining whether to generate a control signal to adjust a charge current or a charging voltage of a battery or not according to the digital value, and the ADC and the control unit are fully hardware architectures.Type: ApplicationFiled: October 26, 2015Publication date: August 11, 2016Inventors: Kuo-Chang Lo, Chuan-Chang Lee
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Publication number: 20160233586Abstract: A dual-band dipole antenna includes a substrate, grounding area, main radiator, grounding point and a feed-in point. The grounding point may be disposed on the substrate. The main radiator may be disposed on the substrate and in the vicinity of the grounding point; the main radiator may comprises a first radiator and a second radiator, wherein the first radiator may be connected to the second radiator, and there may be a groove between the first radiator and the second radiator; besides the size of the main radiator is disproportional to the size of the grounding area. The grounding point may be disposed on the substrate and connected to the grounding area. The feed-in point may be disposed on the substrate and connected to the main radiator; the grounding point may be in the vicinity of the feed-in point.Type: ApplicationFiled: April 23, 2015Publication date: August 11, 2016Inventors: JIAN-JHIH DU, CHIH-YUNG HUANG, KUO-CHANG LO
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Publication number: 20160190681Abstract: An antenna is provided. The antenna includes a feed-in terminal; a radiating portion extended from the feed-in terminal along a first direction to form a first hook portion; a connecting conductor extended from the feed-in terminal to a ground terminal along a second direction opposite to the first direction; and a ground portion extended from the ground terminal and having a cable grounding area, wherein the ground portion and the connecting conductor form a second hook portion opposite to the first hook portion; the cable grounding area has a longitudinal center line; and the first direction and the longitudinal center line form therebetween a specific angle ranging from 49-59 degrees.Type: ApplicationFiled: July 20, 2015Publication date: June 30, 2016Applicant: ARCADYAN TECHNOLOGY CORPORATIONInventors: Chih-Yung Huang, Kuo-Chang Lo
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Patent number: 9349510Abstract: A PTC device comprises two electrode layers and a PTC material layer laminated therebetween. The PTC material layer has a volumetric resistivity less than 0.2 ?-cm, and comprises a crystalline polymer, conductive ceramic fillers and crystalline low molecular weight organic compound. The crystalline polymer comprises thermoplastic polymer, thermosetting polymer or combination thereof. The conductive ceramic fillers dispersed in the crystalline polymer have volumetric resistivity less than 500 ??-cm, and comprise 40-70% by volume of the PTC material layer. The crystalline low molecular weight organic compound has a molecular weight less than 5000, and comprises 6-30% by volume of the PTC material layer. The hold current at 60° C. divided by a covered area of the PTC device is greater than 0.2 A/mm2, the hold current at 60° C. is 40-95% of the hold current at 25° C., and the trip temperature of the PTC device is less than 95° C.Type: GrantFiled: February 11, 2015Date of Patent: May 24, 2016Assignee: POLYTRONICS TECHNOLOGY CORP.Inventors: Kuo Chang Lo, Yao Te Chang
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Patent number: 9350082Abstract: A dual-band monopole coupling antenna is disclosed, which comprises: a first radiation part, configured with a frame and an extension section while being disposed on a surface of a substrate; a second radiation part, disposed on the surface of the substrate at a position neighboring to the first radiation part for enabling a coupling effect between the two, allowing the second radiation part to be used as an extension of the first radiation part, and thus adjusting the operation frequency, impedance and impedance matching accordingly; a signal ground section, disposed coupling to the second radiation part; a signal feed-in section, disposed on the surface at a position neighboring to the signal ground section while coupling to the first radiation part; a ground, disposed coupling to the second radiation part; and a dielectric layer, disposed at an non-conductive area arranged between the first radiation part and the second radiation part.Type: GrantFiled: February 21, 2014Date of Patent: May 24, 2016Assignee: ARCADYAN TECHNOLOGY CORPORATIONInventors: Chih-Yung Huang, Kuo-Chang Lo
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Patent number: 9331383Abstract: 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: GrantFiled: July 25, 2013Date of Patent: May 3, 2016Assignee: ARCADYAN TECHNOLOGY CORPORATIONInventors: Jian-Jhih Du, Chih-Yung Huang, Kuo-Chang Lo