Patents by Inventor Chih-Shun Chang

Chih-Shun Chang 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).

  • Publication number: 20240139935
    Abstract: A three-dimensional measuring device includes a ball-shaped structure, an X-axis measuring module, a Y-axis measuring module and a Z-axis measuring module. The ball-shaped structure is moved and/or rotated in response to a movement of a movable object. The X-axis measuring module includes a first measuring structure and a first position sensor. The first measuring structure is movable along an X-axis direction and contacted with the ball-shaped structure. The Y-axis measuring module includes a second measuring structure and a second position sensor. The second measuring structure is movable along a Y-axis direction and contacted with the ball-shaped structure. The Z-axis measuring module includes a third measuring structure and a third position sensor. The third measuring structure is movable along a Z-axis direction and contacted with the ball-shaped structure.
    Type: Application
    Filed: January 8, 2024
    Publication date: May 2, 2024
    Inventors: Chi-Huan Shao, Chih-Ming Hsu, Chi-Shun Chang, Hung-Sheng Chang
  • Patent number: 11971601
    Abstract: An imaging lens assembly includes a plurality of optical elements and an accommodating assembly, wherein the accommodating assembly is for containing the optical elements. The accommodating assembly includes a conical-shaped light blocking sheet and a lens barrel. The conical-shaped light blocking sheet includes an out-side portion and a conical portion, and the conical portion is connected to the out-side portion. The conical portion includes a conical structure tapered from the out-side portion toward one of an object-side and an image-side along the optical axis. The lens barrel is disposed on one side of the conical portion. The optical elements include a most object-side optical element, a most image-side optical element and at least one optical element. The conical structure of the conical-shaped light blocking sheet is physically contacted with only one of the lens barrel, the most object-side optical element and the most image-side optical element.
    Type: Grant
    Filed: June 18, 2021
    Date of Patent: April 30, 2024
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Yu-Chen Lai, Chih-Wei Cheng, Ming-Ta Chou, Ming-Shun Chang
  • Publication number: 20240088892
    Abstract: A device including an inverter circuit, a hysteresis control circuit, and a high-side input level shifter. The inverter circuit having an output and including at least two series connected PMOS transistors connected, at the output, in series to at least two series connected NMOS transistors. The hysteresis control circuit coupled to the output to provide feedback to the at least two series connected PMOS transistors and to the at least two series connected NMOS transistors. The high-side input level shifter connected to gates of the at least two PMOS transistors and configured to shift a low level of an input signal to a higher level and provide the higher level to one or more of the gates of the at least two PMOS transistors.
    Type: Application
    Filed: August 10, 2023
    Publication date: March 14, 2024
    Inventors: Yung-Shun Chen, Chih-Chiang Chang, Yung-Chow Peng
  • Publication number: 20230200353
    Abstract: A protector worn on a horse leg includes a first piece and a second piece located above the first piece. The second piece is connected to the first piece via a first connecting portion so that the second piece is movable relative to the first piece. A first gap is formed between the first piece and the second piece. A size of the first gap becomes smaller when the horse leg is straightened and becomes larger when the horse leg is bent. Both the first piece and the second piece fit on the horse leg all the time when running, not disturbing the movement and relieving discomfort of the horse.
    Type: Application
    Filed: December 28, 2021
    Publication date: June 29, 2023
    Inventor: Chih Shun Chang
  • Publication number: 20230180717
    Abstract: A horse leg protector has a protection body. The protection body has an upper half for wrapping a metacarpal bone of a horse leg and a lower half for wrapping a sesamoid bone of the horse leg. At least one slot is formed in the upper half of the protection body and extends horizontally. The slot has two ends that are closed. The upper half of the protection body is partitioned into a first protection segment and a second protection segment by the slot. The second protection segment is bendable relative to the first protection segment for a distance between two opposite side walls of the slot to become larger or smaller.
    Type: Application
    Filed: December 14, 2022
    Publication date: June 15, 2023
    Inventor: Chih Shun CHANG
  • Patent number: 11618669
    Abstract: A safety stirrup includes a C-shaped frame and a supporting assembly. A pivot portion and a first connecting portion are respectively disposed at two ends of the opening of the frame. An arm with a second connecting portion is pivotally connected to the pivot portion and is selectively connected with the first connecting portion. The supporting assembly consists of a first plate, a second plate with elasticity and a third plate. The third plate is stacked on the bottom portion of the frame. The second plate is stacked on the third plate. The first plate is stacked on the second plate with a higher position of a front end than that of a rear end.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: April 4, 2023
    Assignee: JONE SHOU INDUSTRIAL CO., LTD.
    Inventor: Chih Shun Chang
  • Publication number: 20230072057
    Abstract: A safety stirrup includes a C-shaped frame and a supporting assembly. A pivot portion and a first connecting portion are respectively disposed at two ends of the opening of the frame. An arm with a second connecting portion is pivotally connected to the pivot portion and is selectively connected with the first connecting portion. The supporting assembly consists of a first plate, a second plate with elasticity and a third plate. The third plate is stacked on the bottom portion of the frame. The second plate is stacked on the third plate. The first plate is stacked on the second plate with a higher position of a front end than that of a rear end.
    Type: Application
    Filed: September 3, 2021
    Publication date: March 9, 2023
    Inventor: Chih Shun Chang
  • Patent number: 11564456
    Abstract: A buckle for harness includes a ring member, a bar member and an elastic sheet. The ring member includes two opposite side portions and a cross portion connected with the side portions. A shaft pivotally connected with the side portions is disposed on the bar member for the bar member rotating relative to the ring member. A protruding portion sticks out from the shaft. The elastic sheet includes a fastened end secured to the ring member and a free end firmly abutting against the protruding portion with a rebounding force generated by the elastic sheet. An angle ? defined between the protruding portion and the free end changes as the bar member rotates. The bar member keeps standing if the angle ? is greater than 90 degrees.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: January 31, 2023
    Assignee: JONE SHOU INDUSTRIAL CO., LTD.
    Inventor: Chih Shun Chang
  • Patent number: 10669392
    Abstract: A method of preparing aerogels/nonwoven composites fireproof and heat-insulating materials with a hydrophobic or hydrophilic surfaces and includes steps as follows. A mixture solution in which alkoxysilane, silicones and silane coupling agents are mixed and stirred is instilled by acidic catalysts for a hydrolysis reaction during which a silane coupling agent solution is added for continuous stirring; a hydrous alkali catalytic (anhydrous alkali catalytic) organic solution is added in the mixture solution for a condensation reaction and development of a “silicones-silica aerogels-silane coupling agents” aerogel mixture solution; a non-woven felt is impregnated with the mixture solution for development of soft hydrophobic (hydrophilic) aerogels/nonwoven composites fireproof and heat-insulating materials after curing and natural drying.
    Type: Grant
    Filed: January 17, 2018
    Date of Patent: June 2, 2020
    Assignee: KUN SHAN UNIVERSITY
    Inventors: Jean-Hong Chen, Shiu-Shiu Chen, Chih-Shun Chang, Chin-Chih Li
  • Publication number: 20190055374
    Abstract: A method of preparing aerogels/nonwoven composites fireproof and heat-insulating materials with a hydrophobic or hydrophilic surfaces and includes steps as follows. A mixture solution in which alkoxysilane, silicones and silane coupling agents are mixed and stirred is instilled by acidic catalysts for a hydrolysis reaction during which a silane coupling agent solution is added for continuous stirring; a hydrous alkali catalytic (anhydrous alkali catalytic) organic solution is added in the mixture solution for a condensation reaction and development of a “silicones-silica aerogels-silane coupling agents” aerogel mixture solution; a non-woven felt is impregnated with the mixture solution for development of soft hydrophobic (hydrophilic) aerogels/nonwoven composites fireproof and heat-insulating materials after curing and natural drying.
    Type: Application
    Filed: January 17, 2018
    Publication date: February 21, 2019
    Inventors: Jean-Hong Chen, Shiu-Shiu Chen, Chih-Shun Chang, Chin-Chih Li
  • Publication number: 20140131070
    Abstract: A manufacturing method of a touch panel structure includes the following steps. A first conductive layer is formed on a mounting surface of a substrate, and the first conductive layer has multiple first electrodes. A first electrical-insulation layer is formed on the mounting surface of the substrate, and the first electrical-insulation layer covers each of the first electrodes of the first conductive layer. A second conductive layer is formed on the first electrical-insulation layer; the second conductive layer has multiple second electrodes, and each of the second electrodes crisscrosses each of the first electrodes. A second electrical-insulation layer is formed on the first electrical-insulation layer, and the second electrical-insulation layer covers each of the second electrodes of the second conductive layer.
    Type: Application
    Filed: January 20, 2014
    Publication date: May 15, 2014
    Applicant: FORTREND TAIWAN SCIENTIFIC CORP.
    Inventor: Chih-Shun CHANG
  • Patent number: 8710516
    Abstract: A manufacturing method of a touch panel structure includes the following steps. A first conductive layer is formed on a mounting surface of a substrate, and the first conductive layer has multiple first electrodes. A first electrical-insulation layer is formed on the mounting surface of the substrate, and the first electrical-insulation layer covers each of the first electrodes of the first conductive layer. A second conductive layer is formed on the first electrical-insulation layer; the second conductive layer has multiple second electrodes, and each of the second electrodes crisscrosses each of the first electrodes. A second electrical-insulation layer is formed on the first electrical-insulation layer, and the second electrical-insulation layer covers each of the second electrodes of the second conductive layer.
    Type: Grant
    Filed: December 2, 2011
    Date of Patent: April 29, 2014
    Assignee: Fortrend Taiwan Scientific Corp.
    Inventor: Chih-Shun Chang
  • Patent number: 8674251
    Abstract: A single side touch panel structure is provided, which includes a substrate, and a mask layer, a first transparent conducting layer, an insulating layer, and a second transparent conducting layer, wherein the mask layer, the first transparent conducting layer, the insulating layer, and the second transparent conducting layer are from bottom to top sequentially formed on the substrate. The first transparent conducting layer has a plurality of the first patterns, and the second transparent conducting layer has a plurality of the second patterns. The first patterns are arranged in series along a first direction. The second patterns are arranged in series along a second direction that intersects the first direction at an angle. The first and second patterns cross each other, and are separated from each other by the insulating layer. Therefore, a plurality of capacitors are formed at the intersections between the first and second patterns.
    Type: Grant
    Filed: July 4, 2011
    Date of Patent: March 18, 2014
    Assignee: Fortrend Taiwan Scientific Corp.
    Inventor: Chih-Shun Chang
  • Publication number: 20130154954
    Abstract: A touch control panel structure includes a substrate, a plurality of first transparent conductive regions, a plurality of first dummy patterns, an insulating layer, a plurality of second transparent conductive regions, a plurality of second dummy patterns, and an optical coating layer. The first transparent conductive regions and the first dummy patterns are disposed on the substrate and covered by the insulating layer. The second transparent conductive regions and the second dummy patterns are disposed on the insulating layer and covered by the optical coating layer. The first and second transparent conductive regions are respectively arranged in a first and a second direction. The first and second dummy patterns are respectively aligned with the corresponding second and first transparent conductive regions. The color difference is not visually perceptible when light is emitted upward from the bottom of the substrate, thereby improving the display image quality.
    Type: Application
    Filed: December 18, 2011
    Publication date: June 20, 2013
    Inventor: Chih-Shun Chang
  • Publication number: 20130038568
    Abstract: A manufacturing method of a touch panel structure includes the following steps. A first conductive layer is formed on a mounting surface of a substrate, and the first conductive layer has multiple first electrodes. A first electrical-insulation layer is formed on the mounting surface of the substrate, and the first electrical-insulation layer covers each of the first electrodes of the first conductive layer. A second conductive layer is formed on the first electrical-insulation layer; the second conductive layer has multiple second electrodes, and each of the second electrodes crisscrosses each of the first electrodes. A second electrical-insulation layer is formed on the first electrical-insulation layer, and the second electrical-insulation layer covers each of the second electrodes of the second conductive layer.
    Type: Application
    Filed: December 2, 2011
    Publication date: February 14, 2013
    Applicant: FORTREND TAIWAN SCIENTIFIC CORP.
    Inventor: Chih-Shun CHANG
  • Publication number: 20130008704
    Abstract: A bridging structure of a touch panel is provided, which includes a transparent conducting layer, an insulating layer, and a conducting layer sequentially stacked on a transparent substrate. The transparent conducting layer includes the first and second transparent conducting portions, and the transparent conducting connection portions. The first and second transparent conducting portions are interlaced with each other. Each of the transparent conducting connection portions connects the adjacent first transparent conducting portions to each other along the first direction. The first transparent conducting portions and the transparent conducting connection portions can be electrically insulated from the second transparent conducting portions by the insulating layer. The conducting layer comprises the conducting connection portions, and the conductive via plugs formed in the insulating layer and located on the second transparent conducting portions.
    Type: Application
    Filed: July 6, 2011
    Publication date: January 10, 2013
    Inventor: CHIH-SHUN CHANG
  • Publication number: 20130008770
    Abstract: A single side touch panel structure is provided, which includes a substrate, and a mask layer, a first transparent conducting layer, an insulating layer, and a second transparent conducting layer, wherein the mask layer, the first transparent conducting layer, the insulating layer, and the second transparent conducting layer are from bottom to top sequentially formed on the substrate. The first transparent conducting layer has a plurality of the first patterns, and the second transparent conducting layer has a plurality of the second patterns. The first patterns are arranged in series along a first direction. The second patterns are arranged in series along a second direction that intersects the first direction at an angle. The first and second patterns cross each other, and are separated from each other by the insulating layer. Therefore, a plurality of capacitors are formed at the intersections between the first and second patterns.
    Type: Application
    Filed: July 4, 2011
    Publication date: January 10, 2013
    Inventor: Chih-Shun Chang
  • Publication number: 20090056084
    Abstract: A buckle includes a main frame made by wires which are bent into desired shape and includes a first frame and a second frame which is smaller than the first frame and connected to the first frame. A tongue has one end pivotably connected to the second frame and the other end of the tongue is stopped by the first frame. At least one coat is mounted to at least one of the first and second frames.
    Type: Application
    Filed: August 27, 2007
    Publication date: March 5, 2009
    Inventor: Chih-Shun Chang