Patents by Inventor Lan Chin
Lan Chin 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: 9646070Abstract: A data synchronization method and an electronic apparatus using the same method are proposed. The method includes the following steps: determining whether a data application is switched to be executed in a foreground of a user interface of the electronic apparatus, wherein a data synchronization of the data application is performed with a data server according to a specific synchronization mode; if yes, switching to perform the data synchronization according to a push-data notification from the data server, wherein the push-data notification is related to an updating data.Type: GrantFiled: January 24, 2014Date of Patent: May 9, 2017Assignee: HTC CorporationInventors: Lan-Chin Huang, Hung-Chi Lo
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Publication number: 20160141087Abstract: An inductor is disclosed, the inductor comprising: a T-shaped magnetic core, being made of a material comprising an annealed soft magnetic metal material and having a base and a pillar integrally formed with the base, wherein the volume of the base is V1 and the volume of the pillar is V2; a coil wound on the pillar; and a magnetic body encapsulating the pillar, the coil and a portion of the base, wherein the ratio of V1 to V2 (V1/V2) is configured in a pre-determined range so as to reduce the total core loss of the inductor with the equivalent permeability of the inductor being between 28.511 and 52.949.Type: ApplicationFiled: November 15, 2015Publication date: May 19, 2016Inventors: Chun-Tiao Liu, Lan-Chin Hsieh, Tsung-Chan Wu, Chi-Hsun Lee, Chih-Siang Chuang
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Publication number: 20160099099Abstract: A variable coupled inductor includes a first core, two conducting wires, a second core and a magnetic structure. The first core includes two first protruding portions, a second protruding portion and two grooves, wherein the second protruding portion is located between the two first protruding portions and each of the grooves is located between one of the first protruding portions and the second protruding portion. Each of the conducting wires is disposed in one of the grooves. The second core is disposed on the first core. A first gap is formed between each of the first protruding portions and the second core and a second gap is formed between the second protruding portion and the second core. The magnetic structure is disposed between the second protruding portion and the second core and distributed symmetrically with respect to a centerline of the second protruding portion.Type: ApplicationFiled: December 13, 2015Publication date: April 7, 2016Inventors: Lan-Chin Hsieh, Cheng-Chang Lee, Chih-Hung Chang, Chih-Siang Chuang, Tsung-Chan Wu, Roger Hsieh
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Patent number: 9251944Abstract: A variable coupled inductor includes a first core, two conducting wires, a second core and a magnetic structure. The first core includes two first protruding portions, a second protruding portion and two grooves, wherein the second protruding portion is located between the two first protruding portions and each of the grooves is located between one of the first protruding portions and the second protruding portion. Each of the conducting wires is disposed in one of the grooves. The second core is disposed on the first core. A first gap is formed between each of the first protruding portions and the second core and a second gap is formed between the second protruding portion and the second core. The magnetic structure is disposed between the second protruding portion and the second core and distributed symmetrically with respect to a centerline of the second protruding portion.Type: GrantFiled: August 16, 2013Date of Patent: February 2, 2016Assignee: CYNTEC Co., LTD.Inventors: Lan-Chin Hsieh, Cheng-Chang Lee, Chih-Hung Chang, Chih-Siang Chuang, Tsung-Chan Wu, Roger Hsieh
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Patent number: 9230728Abstract: A magnetic device includes a T-shaped magnetic core, a wire coil and a magnetic body. The T-shaped magnetic core includes a base and a pillar, and is made of an annealed soft magnetic metal material, a core loss PCL (mW/cm3) of the T-shaped magnetic core satisfying: 0.64×f0.95×Bm2.20?PCL?7.26×f1.41×Bm1.08, where f (kHz) represents a frequency of a magnetic field applied to the T-shaped magnetic core, and Bm (kGauss) represents the operating magnetic flux density of the magnetic field at the frequency. The magnetic body fully covers the pillar, any part of the base that is located above the bottom surface of the base, and any part of the wire coil that is located directly above the top surface of the base.Type: GrantFiled: April 11, 2014Date of Patent: January 5, 2016Assignee: CYNTEC CO., LTD.Inventors: Chun-Tiao Liu, Lan-Chin Hsieh, Tsung-Chan Wu, Chi-Hsun Lee, Chih-Siang Chuang
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Patent number: 9208937Abstract: A choke includes a single-piece core entirely made of a same material, the single-piece core having two boards and a pillar located between the two boards, a winding space being located among the two boards and the pillar, wherein the pillar has a non-circular and non-rectangular cross section along a direction substantially perpendicular to an axial direction of the pillar, the cross section of the pillar has a first axis and a second axis intersecting with each other at a center of the cross section of the pillar and are substantially perpendicular with each other, the first axis is longer than the second axis, and the cross section of the pillar is substantially symmetrical to both of the first axis and the second axis.Type: GrantFiled: December 20, 2011Date of Patent: December 8, 2015Assignee: CYNTEC CO., LTD.Inventors: Tsung-Chan Wu, Roger Hsieh, Yi-Min Huang, Lan-Chin Hsieh, Yu-Ching Kuo
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Publication number: 20150310975Abstract: A choke includes a single-piece core made of a same material, the single-piece core having a first board, a second board, and a pillar located between the first and second boards, a winding space located among the first board, the second board and the pillar, wherein the pillar has a non-circular and non-rectangular cross section having a first axis and a second axis substantially perpendicularly intersecting with each other at a center of the cross section of the pillar, and wherein a circumference of the cross section of the pillar includes two arc edges, four first substantially straight edges substantially parallel to the first axis, and two second substantially straight edges substantially parallel to the second axis, each of the first substantially straight edges being a joint of and in direct contact with one of the arc edges and one of the second substantially straight edges.Type: ApplicationFiled: July 8, 2015Publication date: October 29, 2015Inventors: Tsung-Chan Wu, Roger Hsieh, Yi-Min Huang, Lan-Chin Hsieh, Yu-Ching Kuo, Chia-Hui LAI
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Patent number: 9117580Abstract: A choke includes a single-piece core made of a same material, the single-piece core having a first board, a second board, and a pillar located between the first and second boards, a winding space located among the first board, the second board and the pillar, wherein the pillar has a non-circular and non-rectangular cross section having a first axis and a second axis substantially perpendicularly intersecting with each other at a center of the cross section of the pillar, and wherein a circumference of the cross section of the pillar includes two arc edges, four first substantially straight edges substantially parallel to the first axis, and two second substantially straight edges substantially parallel to the second axis, each of the first substantially straight edges being a joint of and in direct contact with one of the arc edges and one of the second substantially straight edges.Type: GrantFiled: August 5, 2013Date of Patent: August 25, 2015Assignee: CYNTEC CO., LTD.Inventors: Tsung-Chan Wu, Roger Hsieh, Yi-Min Huang, Lan-Chin Hsieh, Yu-Ching Kuo, Chia-Hui Lai
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Publication number: 20150089795Abstract: A method to form a choke is disclosed, wherein the method comprises: encapsulating a hollow coil by a molding body; forming a first core, wherein the first core comprises a pillar; and disposing at least one first portion of the pillar inside the encapsulated hollow coil. The method avoids the overflow or vertical flow issue during a molding process for encapsulating a coil that has been wound on a core already.Type: ApplicationFiled: December 10, 2014Publication date: April 2, 2015Inventors: Lan-Chin Hsieh, Roger Hsieh, Yu-Ching Kuo, Chun-Tiao Liu
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Patent number: 8949208Abstract: Techniques for data migration of a storage system are described herein. According to one embodiment, a candidate index is generated to store information identifying a plurality of segments associated with one or more candidate files of a source storage tier to be migrated to a target storage tier of a storage system. Segments of the one or more candidate files are then migrated from the source storage tier to the target storage tier according to a sequential order, and based on the candidate index.Type: GrantFiled: September 30, 2011Date of Patent: February 3, 2015Assignee: EMC CorporationInventors: Teng Xu, Windsor W. Hsu, Lan Chin
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Patent number: 8943032Abstract: Techniques for data migration of a storage system are described herein. According to one embodiment, a list of files stored in a source storage tier is identified as candidate files to be migrated to a target storage tier based on a migration policy. One of a regular data movement method and a bulk data movement method is selected based on a characteristic of the candidate files. The candidate files are then migrated from the source storage tier to the target storage tier using the selected data movement method.Type: GrantFiled: September 30, 2011Date of Patent: January 27, 2015Assignee: EMC CorporationInventors: Teng Xu, Windsor W. Hsu, Lan Chin
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Patent number: 8931918Abstract: An improved lamp tube connector structure for light emitting diode (LED) lamp tube, in which the LED lamp tube comprises a lampshade, two lamp tube connectors installed on the left and right ends of the lampshade, at least an LED lamp strap installed inside the lampshade, and at least a drive circuit board installed inside the lamp tube connector and electrically connected to either side of the LED lamp strap. Herein the lamp tube connector is an end cap, with two electrode terminals extending outward from the end cap. Also, at least two connection lines extend from the drive circuit board, and the drive circuit board is inserted to the interior of the electrode terminal so as to form an electrically conductive contact with the electrode terminal for transferring electric power.Type: GrantFiled: August 29, 2012Date of Patent: January 13, 2015Assignee: Verticil Electronics CorporationInventors: Chun-Chen Liu, Hsiao-Lan Chin
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Publication number: 20140218157Abstract: A magnetic device includes a T-shaped magnetic core, a wire coil and a magnetic body. The T-shaped magnetic core includes a base and a pillar, and is made of an annealed soft magnetic metal material, a core loss PCL (mW/cm3) of the T-shaped magnetic core satisfying: 0.64×f0.95×Bm2.20?PCL?7.26×f1.41×Bm1.08, where f (kHz) represents a frequency of a magnetic field applied to the T-shaped magnetic core, and Bm (kGauss) represents the operating magnetic flux density of the magnetic field at the frequency. The magnetic body fully covers the pillar, any part of the base that is located above the bottom surface of the base, and any part of the wire coil that is located directly above the top surface of the base.Type: ApplicationFiled: April 11, 2014Publication date: August 7, 2014Applicant: CYNTEC CO., LTD.Inventors: Chun-Tiao LIU, Lan-Chin HSIEH, Tsung-Chan WU, Chi-Hsun LEE, Chih-Siang CHUANG
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Publication number: 20140222757Abstract: A data synchronization method and an electronic apparatus using the same method are proposed. The method includes the following steps: determining whether a data application is switched to be executed in a foreground of a user interface of the electronic apparatus, wherein a data synchronization of the data application is performed with a data server according to a specific synchronization mode; if yes, switching to perform the data synchronization according to a push-data notification from the data server, wherein the push-data notification is related to an updating data.Type: ApplicationFiled: January 24, 2014Publication date: August 7, 2014Applicant: HTC CorporationInventors: Lan-Chin Huang, Hung-Chi Lo
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Patent number: 8723629Abstract: A magnetic device includes a T-shaped magnetic core, a wire coil and a magnetic body. The T-shaped magnetic core includes a base and a pillar, and is made of an annealed soft magnetic metal material, a core loss PCL (mW/cm3) of the T-shaped magnetic core satisfying: 0.64×f0.95×Bm2.20?PCL?7.26×f1.41×Bm1.08, where f (kHz) represents a frequency of a magnetic field applied to the T-shaped magnetic core, and Bm (kGauss) represents the operating magnetic flux density of the magnetic field at the frequency. The magnetic body fully covers the pillar, any part of the base that is located above the bottom surface of the base, and any part of the wire coil that is located directly above the top surface of the base.Type: GrantFiled: January 10, 2013Date of Patent: May 13, 2014Assignee: Cyntec Co., Ltd.Inventors: Chun-Tiao Liu, Lan-Chin Hsieh, Tsung-Chan Wu, Chi-Hsun Lee, Chih-Siang Chuang
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Publication number: 20140097931Abstract: An electronic device including a core, at least a wire and a magnetic material is provided. The core includes a pillar, a top board and a bottom board. The pillar is disposed between the top board and the bottom board. An area of the top board is smaller than an area of the bottom board. A winding space is formed among the top board, the bottom board and the pillar. The wire is winded around the pillar and located in the winding space. The magnetic material fills the winding space to encapsulate the wire. The magnetic material includes a resin and a metallic powder, wherein an average particle diameter of the magnetic powder is smaller than 20 ?m.Type: ApplicationFiled: December 11, 2013Publication date: April 10, 2014Applicant: CYNTEC CO., LTD.Inventors: Tsung-Chan Wu, Roger Hsieh, Yi-Min Huang, Lan-Chin Hsieh, Yu-Ching Kuo
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Publication number: 20140055226Abstract: A variable coupled inductor includes a first core, two conducting wires, a second core and a magnetic structure. The first core includes two first protruding portions, a second protruding portion and two grooves, wherein the second protruding portion is located between the two first protruding portions and each of the grooves is located between one of the first protruding portions and the second protruding portion. Each of the conducting wires is disposed in one of the grooves. The second core is disposed on the first core. A first gap is formed between each of the first protruding portions and the second core and a second gap is formed between the second protruding portion and the second core. The magnetic structure is disposed between the second protruding portion and the second core and distributed symmetrically with respect to a centerline of the second protruding portion.Type: ApplicationFiled: August 16, 2013Publication date: February 27, 2014Applicant: CYNTEC CO., LTD.Inventors: Lan-Chin Hsieh, Cheng-Chang Lee, Chih-Hung Chang, Chih-Siang Chuang, Tsung-Chan Wu, Roger Hsieh
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Publication number: 20130328653Abstract: A choke includes a single-piece core made of a same material, the single-piece core having a first board, a second board, and a pillar located between the first and second boards, a winding space located among the first board, the second board and the pillar, wherein the pillar has a non-circular and non-rectangular cross section having a first axis and a second axis substantially perpendicularly intersecting with each other at a center of the cross section of the pillar, and wherein a circumference of the cross section of the pillar includes two arc edges, four first substantially straight edges substantially parallel to the first axis, and two second substantially straight edges substantially parallel to the second axis, each of the first substantially straight edges being a joint of and in direct contact with one of the arc edges and one of the second substantially straight edges.Type: ApplicationFiled: August 5, 2013Publication date: December 12, 2013Applicant: CYNTEC CO., LTD.Inventors: Tsung-Chan WU, Roger HSIEH, Yi-Min HUANG, Lan-Chin HSIEH, Yu-Ching KUO, Chia-Hui LAI
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Publication number: 20130223053Abstract: An improved drive circuit board connection structure for light emitting diode (LED) lamp tube, wherein the LED lamp tube comprises a lamp tube body, at least an LED lamp strap installed inside the lamp tube body, and at least a drive circuit board installed on either side of the lamp tube body and electrically connected to the LED lamp strap. A connection plug component is respectively installed on the drive circuit board and the LED lamp strap, with each of the two different connection plug component individually having a male plug connection structure or female plug connection structure. Therefore, when such two different connection plug components are connected, it is possible to electrically connect the drive circuit board to the LED lamp strap and drive the LED lamp strap to illuminate.Type: ApplicationFiled: August 29, 2012Publication date: August 29, 2013Inventors: Chun-Chen LIU, Hsiao-Lan CHIN
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Publication number: 20130215609Abstract: An improved lamp tube connector structure for light emitting diode (LED) lamp tube, in which the LED lamp tube comprises a lampshade, two lamp tube connectors installed on the left and right ends of the lampshade, at least an LED lamp strap installed inside the lampshade, and at least a drive circuit board installed inside the lamp tube connector and electrically connected to either side of the LED lamp strap. Herein the lamp tube connector is an end cap, with two electrode terminals extending outward from the end cap. Also, at least two connection lines extend from the drive circuit board, and the drive circuit board is inserted to the interior of the electrode terminal so as to form an electrically conductive contact with the electrode terminal for transferring electric power.Type: ApplicationFiled: August 29, 2012Publication date: August 22, 2013Inventors: Chun-Chen LIU, Hsiao-Lan Chin