Patents by Inventor Jian Chang

Jian 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).

  • Patent number: 11043732
    Abstract: An antenna structure includes a border frame, a first feed portion, and a second feed portion. The border frame includes an end portion, a first side portion, and a second side portion. The border frame defines a first gap, a second gap, a first slot, and a second slot. The first gap and the second gap are disposed in the end portion. The first slot is disposed in the first side portion. The second slot is disposed in the second side portion. The first gap, the second gap, the first slot, and the second slot divide the border frame into two radiating portions. The first feed portion and the second feed portion are electrically coupled to the two radiating portions and supply current to the two radiating portions respectively.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: June 22, 2021
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Yun-Jian Chang, Jung-Chin Lin, Yen-Hui Lin
  • Patent number: 10994635
    Abstract: A vehicle seat longitudinal adjuster (2) includes two guide rail pairs (P1, P2) with a first guide rail (3) and a second guide rail (4) movable with respect to the first guide rail, a motor unit (12), a gear unit (G) with a gear rotary shaft (6) connected to the first guide rail and a rotatable gear element (7). A transmission unit (11) is coupled with the gear unit and the motor unit to transmit torque to the gear rotary shaft. A gearbox (9) receives the gear unit. A support (5) receives the gearbox inside a gap (BR) formed between the guide rails and passes through a second rail opening (13) and extends out of the guide rail opening and closes the second rail opening. A vehicle seat (1), has the longitudinal adjuster for mechanically and longitudinally adjusting the vehicle seat.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: May 4, 2021
    Assignees: Adient Engineering and IP GmbH, Adient Yanfeng Seating Mechanism Co., Ltd.
    Inventors: Juergen Stemmer, Erik Sprenger, Qi Wang, Jian Chang, Zhenyi Tang, Stefan Josten
  • Patent number: 10985460
    Abstract: An antenna structure includes a border frame, a first feed portion, a second feed portion, and two ground portions. The border frame includes a first gap and a second gap passing through the border frame, thereby defining a first radiating portion and a second radiating portion. The first feed portion is electrically coupled to the first radiating portion to supply an electric current to the first radiating portion. The second feed portion is electrically coupled to the second radiating portion to supply an electric current to the second radiating portion. The two ground portions are disposed between the first feed portion and the second feed portion and separated from each other. The two ground portions are electrically coupled to the first radiating portion or the second radiating portion.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: April 20, 2021
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Yun-Jian Chang, Geng-Hong Liou, Yen-Hui Lin
  • Publication number: 20210048658
    Abstract: A two-photon stimulated emission depletion composite microscope, comprising a two-photon imaging unit (100) and an STED imaging unit (200), wherein the two-photon imaging unit (100) can be used for a relatively thick sample, and the STED super-resolution imaging unit can be used for a region of interest on a surface of a sample, and the microscope makes light spots generated by an excitation light and a depletion light after being focused by an objective lens (OL) accurately coincide in a three-dimensional distribution. The two-photon stimulated emission depletion composite microscope (10) integrates two functions of STED imaging and two-photon imaging and makes the two types of light spots generated by an excitation light and a depletion light after being focused by an objective lens accurately coincide in a three-dimensional distribution, thereby providing a powerful tool for cutting-edge biomedical research.
    Type: Application
    Filed: November 27, 2018
    Publication date: February 18, 2021
    Inventors: Yuguo Tang, Yunhai Zhang, Tongda Wei, Jian Chang, Haomin Yang, Lin Ji
  • Publication number: 20210041363
    Abstract: A two-photon stimulated emission depletion composite microscope using continuous light loss, the microscope comprising: a two-photon imaging unit (100) and an STED imaging unit (200), wherein for thicker samples, the two-photon imaging unit (100) can be used, and for regions of interest on the surface of samples, the STED super-resolution imaging unit (200) can be used. The two-photon stimulated emission depletion composite microscope using continuous light loss integrates two functions of STED imaging and two-photon imaging, so as to provide a powerful tool for cutting-edge biomedical research.
    Type: Application
    Filed: November 27, 2018
    Publication date: February 11, 2021
    Inventors: Yunhai Zhang, Yuguo Tang, Tongda Wei, Jian Chang, Haomin Yang, Lin Ji
  • Publication number: 20210026122
    Abstract: Disclosed is a STED super-resolution microscope capable of quick beam combination, which includes a STED imaging unit and a beam combination test unit. The excitation light and the depletion light are accurately combined by the beam combination test unit, so that the imaging light spots of the two light beams passing through the STED imaging unit can accurately coincide with each other, thereby obtaining a better super-resolution imaging effect.
    Type: Application
    Filed: October 12, 2020
    Publication date: January 28, 2021
    Inventors: Yuguo Tang, Yunhai Zhang, Tongda Wei, Jian Chang, Haomin Yang, Lin Ji
  • Patent number: 10747781
    Abstract: Partitioning a set of data using a binary format to more evenly distribute data values across a set of data partitions. By using a system of matching binary indices in a “back to front” manner, data values stored in or associated with data partitions are more evenly balanced.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: August 18, 2020
    Assignee: International Business Machines Corporation
    Inventors: Jian Chang Huang, Lei Li, Xin Sheng Mao, Jia Tan, Ya Xin Wu
  • Patent number: 10644382
    Abstract: An antenna assembly includes a side frame, a feed portion, a ground portion, a radiating portion, and a first matching circuit. The side frame defines a first gap to form a first radiating section from the first gap to a side portion. The radiating portion is inside the side frame and connects to the feed portion and the ground portion, the radiating portion is spaced apart from the side frame and connected to the first radiating section. One end of the first matching circuit connects to an end of the first radiating section adjacent to the first gap, another end connects to the ground portion. The feed portion feeds current into the radiating portion, two opposites ends of the first radiating section and the first matching circuit to activate radiating signals in a first frequency band. A wireless communication device employing the antenna assembly is also provided.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: May 5, 2020
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Yi-Chieh Lee, Yen-Hui Lin, Yun-Jian Chang, Jung-Chin Lin, Geng-Hong Liou
  • Publication number: 20200058981
    Abstract: An antenna structure includes a border frame, a first feed portion, and a second feed portion. The border frame includes an end portion, a first side portion, and a second side portion. The border frame defines a first gap, a second gap, a first slot, and a second slot. The first gap and the second gap are disposed in the end portion. The first slot is disposed in the first side portion. The second slot is disposed in the second side portion. The first gap, the second gap, the first slot, and the second slot divide the border frame into two radiating portions. The first feed portion and the second feed portion are electrically coupled to the two radiating portions and supply current to the two radiating portions respectively.
    Type: Application
    Filed: August 16, 2019
    Publication date: February 20, 2020
    Inventors: YUN-JIAN CHANG, JUNG-CHIN LIN, YEN-HUI LIN
  • Patent number: 10566681
    Abstract: An antenna structure includes a metal housing, a first resonance portion, a second resonance portion, an extending portion, and a signal feed source. The metal housing includes a front frame, a backboard, and a side frame. The side frame defines a slot and the front frame defines a groove and a gap. The metal housing is divided into at least an antenna section by the slot, the groove, and the gap. The first and second resonance portions and the extending portion are spaced apart from each other. The first resonance portion and the extending portion are both directly and electrically connected to the antenna section or are spaced apart and electrically coupled to the antenna section. The second resonance portion is electrically connected to the antenna section. One resonance portion is electrically connected to the signal feed source and the other resonance portion is grounded.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: February 18, 2020
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Yen-Hui Lin, Yun-Jian Chang, Jung-Chin Lin
  • Patent number: 10566694
    Abstract: A multi-frequency antenna structure includes a feed portion, a first ground portion, a first radiating portion, a second radiating portion, and a third radiating portion. The feed portion supplies current to the antenna structure. The first ground portion is spaced apart from the feed portion and grounds the antenna structure. The first radiating portion is electrically connected to the feed portion. The second radiating portion is spaced apart from the first radiating portion and is electrically connected to the first ground portion. The third radiating portion is spaced apart from the second radiating portion and is electrically connected to the feed portion and the first radiating portion.
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: February 18, 2020
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Geng-Hong Liou, Yun-Jian Chang
  • Publication number: 20200052401
    Abstract: An antenna structure includes a border frame, a first feed portion, a second feed portion, and two ground portions. The border frame includes a first gap and a second gap passing through the border frame, thereby defining a first radiating portion and a second radiating portion. The first feed portion is electrically coupled to the first radiating portion to supply an electric current to the first radiating portion. The second feed portion is electrically coupled to the second radiating portion to supply an electric current to the second radiating portion. The two ground portions are disposed between the first feed portion and the second feed portion and separated from each other. The two ground portions are electrically coupled to the first radiating portion or the second radiating portion.
    Type: Application
    Filed: August 8, 2019
    Publication date: February 13, 2020
    Inventors: YUN-JIAN CHANG, GENG-HONG LIOU, YEN-HUI LIN
  • Publication number: 20200039389
    Abstract: A vehicle seat longitudinal adjuster (2) includes two guide rail pairs (P1, P2) with a first guide rail (3) and a second guide rail (4) movable with respect to the first guide rail, a motor unit (12), a gear unit (G) with a gear rotary shaft (6) connected to the first guide rail and a rotatable gear element (7). A transmission unit (11) is coupled with the gear unit and the motor unit to transmit torque to the gear rotary shaft. A gearbox (9) receives the gear unit. A support (5) receives the gearbox inside a gap (BR) formed between the guide rails and passes through a second rail opening (13) and extends out of the guide rail opening and closes the second rail opening. A vehicle seat (1), has the longitudinal adjuster for mechanically and longitudinally adjusting the vehicle seat.
    Type: Application
    Filed: April 19, 2018
    Publication date: February 6, 2020
    Inventors: Juergen STEMMER, Erik SPRENGER, Qi WANG, Jian CHANG, Zhenyi TANG, Stefan JOSTEN
  • Publication number: 20200036084
    Abstract: An antenna apparatus sited within a metal housing with improved frequency isolation between individual antennas includes the housing, a first ground portion, a first feed portion, and a second ground portion. A side frame of the housing defines at least one gap, the gap separates a first antenna and a second antenna. The first ground portion is formed by extending an end of the first antenna away from the gap. One end of the second ground portion is connected to the first feed portion, other end of the second ground portion is connected to ground. A first feed point feeds power and signal to the first antenna. A wireless communication device using the antenna apparatus is also provided.
    Type: Application
    Filed: July 26, 2019
    Publication date: January 30, 2020
    Inventors: Yih-Shyang Her, Yun-Jian Chang, Chien-Hua Li, Wei-En Hsieh
  • Patent number: 10547100
    Abstract: An antenna structure includes a metal housing, a first radiating portion, a second g radiating portion, a third radiating portion, and a signal feed source. The metal housing includes a front frame, a backboard, and a side frame. The side frame defines a slot and the front frame defines a groove and a gap. The metal housing is divided into at least an antenna section by the slot, the groove, and the gap. The first radiating portion, the second radiating portion, and the third radiating portion are spaced apart from each other. One of three radiating portions is electrically connected to the antenna section. The remaining of the three radiating portions are spaced apart from the antenna section. The signal feed source is electrically connected to one radiating portion and the radiating portions of the three radiating portions not electrically connected to the signal feed source are grounded.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: January 28, 2020
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Yen-Hui Lin, Yun-Jian Chang, Jung-Chin Lin
  • Patent number: 10498010
    Abstract: An antenna structure includes a metal housing, a first ground portion, a second ground portion, a first feed source, and a coupling portion. The metal housing includes a front frame, a backboard, and a side frame. The side frame defines a slot and the front frame defines a first groove and a first gap. The slot, the first groove, and the first gap separate a first antenna section from the metal housing. The first ground portion and the second ground portion are both electrically connected to the first antenna section and grounded. One end of the coupling portion is electrically connected to the first feed source. The coupling portion is spaced apart from the first antenna section and current from the first feed source is coupled to the first antenna section through the coupling portion.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: December 3, 2019
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Yen-Hui Lin, Yun-Jian Chang, Jung-Chin Lin
  • Patent number: 10432904
    Abstract: An image processing method and device are provided. The image processing device includes an image sensor module including a lens and an image sensor; and a processor configured to obtain, using the image sensor module, a first image having first color information, the first image corresponding to an external object, by; move at least one of the lens and the image sensor based on a designated pixel unit; obtain, using the image sensor module with the moved at least one of the lens and the image sensor, a second image having second color information, the second image corresponding to the external object; and generate a third image having third color information based on the first color information and the second color information, the third image corresponding to the external object.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: October 1, 2019
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Dongsoo Kim, Hwayong Kang, Jian Chang, Youngkwon Yoon, Donghoon Jang
  • Publication number: 20190190004
    Abstract: Provided herein are a lithium electrode and a sulfur electrode for batteries. The lithium electrode comprises lithium metal and a metal-coated fabric. The fibers of the metal-coated fabric are covered by a metal layer, on which the lithium metal is attached. The sulfur electrode comprises a sulfur composite and a nickel-coated fabric. The fibers of the nickel-coated fabric are covered by a nickel layer, on which the sulfur composite is attached. The lithium electrode can inhibit dendrite formation and the sulfur electrode can speed up the redox kinetics of soluble polysulfides.
    Type: Application
    Filed: June 29, 2018
    Publication date: June 20, 2019
    Inventors: Zijian ZHENG, Jian CHANG
  • Publication number: 20190131694
    Abstract: An antenna assembly includes a side frame, a feed portion, a ground portion, a radiating portion, and a first matching circuit. The side frame defines a first gap to form a first radiating section from the first gap to a side portion. The radiating portion is inside the side frame and connects to the feed portion and the ground portion, the radiating portion is spaced apart from the side frame and connected to the first radiating section. One end of the first matching circuit connects to an end of the first radiating section adjacent to the first gap, another end connects to the ground portion. The feed portion feeds current into the radiating portion, two opposites ends of the first radiating section and the first matching circuit to activate radiating signals in a first frequency band. A wireless communication device employing the antenna assembly is also provided.
    Type: Application
    Filed: September 21, 2018
    Publication date: May 2, 2019
    Inventors: YI-CHIEH LEE, YEN-HUI LIN, YUN-JIAN CHANG, JUNG-CHIN LIN, GENG-HONG LIOU
  • Patent number: 10070113
    Abstract: An image processing method and device are provided. The image processing device includes an image sensor module including a lens and an image sensor; and a processor configured to obtain, using the image sensor module, a first image having first color information, the first image corresponding to an external object, by; move at least one of the lens and the image sensor based on a designated pixel unit; obtain, using the image sensor module with the moved at least one of the lens and the image sensor, a second image having second color information, the second image corresponding to the external object; and generate a third image having third color information based on the first color information and the second color information, the third image corresponding to the external object.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: September 4, 2018
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Dongsoo Kim, Hwayong Kang, Jian Chang, Youngkwon Yoon, Donghoon Jang