Patents by Inventor GENG-HONG LIOU

GENG-HONG LIOU 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: 20230238700
    Abstract: An antenna structure for a metal-cased electronic device includes a radiator, a feed portion, and a slit. The feed portion can feed signals into the radiator, the radiator includes a first end and a second end, the first end disposes a first radiation portion, the second end disposes a second radiation portion and a third radiation portion, the second radiation portion and the third radiation portion are coupled to each other to radiate a radiation signal at a first frequency band, the slit and the radiator is spaced at intervals, and the slit is coupled to the first radiation portion to radiate the radiation signal at a second frequency band. The present disclosure also provides an electronic device with the antenna structure.
    Type: Application
    Filed: January 9, 2023
    Publication date: July 27, 2023
    Inventors: CHIH-HUNG LAI, YEN-HUI LIN, WEI-CHENG SU, YUN-JIAN CHANG, GENG-HONG LIOU, CHO-KANG HSU
  • Publication number: 20230094721
    Abstract: An antenna structure applied in a wireless communication device including a hinge, the antenna structure includes a feed portion, a first radiation portion, and at least one ground portion; an end of the first radiation portion is electrically connected to the feed portion, another end of the first radiation portion is spaced from the hinge with a gap; the antenna structure generates a radiation signal in at least one radiation frequency band when the feed portion feeds electrical current to the first radiation portion and the hinge couples the electrical current from the first radiation portion. A wireless communication device having the antenna structure is also provided.
    Type: Application
    Filed: September 28, 2022
    Publication date: March 30, 2023
    Inventors: CHO-KANG HSU, CHIH-HUNG LAI, YUN-JIAN CHANG, GENG-HONG LIOU, YEN-HUI LIN
  • Patent number: 11228090
    Abstract: An antenna structure for an Access Point includes at least one connecting member and a plurality of radiating portions on a structural rear plate of the Access Point which from. The radiating portions form a plurality of resonance paths. The at least one connecting member feeds current into the plurality of radiating portions, each of the radiating portions generates radiation signals in a first frequency band. A wireless communication device using the antenna structure is also provided.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: January 18, 2022
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Jung-Chin Lin, Yen-Hui Lin, Yi-Chieh Lee, Geng-Hong Liou
  • 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
  • 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
  • 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
  • Patent number: 10461425
    Abstract: An antenna structure includes a metallic member, a feed portion, a ground portion, and a radiator. The metallic member defines at least one slot and is divided into a first combining portion and a second combining portion by the at least one slot. The feed portion feeds current to the first combining portion. The ground portion grounds the first combining portion. The radiator feeds current to the second combining portion. The first combining portion, the feed portion, and the ground portion cooperatively form a first antenna to activate a first mode for generating radiation signals in a first frequency band. The second combining portion and the radiator cooperatively form a second antenna to activate a second mode for generating radiation signals in a second frequency band.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: October 29, 2019
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventor: Geng-Hong Liou
  • Patent number: 10389010
    Abstract: An antenna structure includes a metallic member, a feed portion, a ground portion and a radiating portion. The metallic member includes a front frame, a backboard, and a side frame. The side frame defines a slot. The front frame defines a first gap and a second gap, which are in communication with the slot and extend across the front frame. A straight portion of the front frame between the first gap and the second gap forms a radiating section. The feed portion and the ground portion are electrically connected to the radiating section. Current enters the radiating section from the feed portion. The current flows through the radiating section and towards the second gap. The radiating portion obtains current from the radiating section by coupling. The radiating section and the radiating portion generate radiation signals in two different frequency bands. A wireless communication device using the antenna structure is provided.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: August 20, 2019
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Yi-Chieh Lee, Geng-Hong Liou
  • Publication number: 20190214704
    Abstract: An antenna structure for an Access Point includes at least one connecting member and a plurality of radiating portions on a structural rear plate of the Access Point which from. The radiating portions form a plurality of resonance paths. The at least one connecting member feeds current into the plurality of radiating portions, each of the radiating portions generates radiation signals in a first frequency band. A wireless communication device using the antenna structure is also provided.
    Type: Application
    Filed: December 28, 2018
    Publication date: July 11, 2019
    Inventors: JUNG-CHIN LIN, YEN-HUI LIN, YI-CHIEH LEE, GENG-HONG LIOU
  • 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: 10116043
    Abstract: An antenna module includes a main body, a baseboard, and a ground portion. The main body is made of conductive material. The baseboard is received in the main body and includes a feed point. One end of the feed point is electrically connected to the main body. Another end of the feed point feeds current to the main body. The ground portion is grounded and defines a space. The baseboard is spaced from the main body to form a first gap therebetween. The ground portion is positioned in the first gap to electrically connect the baseboard to the main body and an area of the first gap corresponding to the space forms a second gap.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: October 30, 2018
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Geng-Hong Liou, Chien-Chang Liu, Yen-Hui Lin
  • Publication number: 20180159221
    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: Application
    Filed: November 13, 2017
    Publication date: June 7, 2018
    Inventors: GENG-HONG LIOU, YUN-JIAN CHANG
  • Publication number: 20180131092
    Abstract: An antenna structure includes a metallic member, a feed portion, a ground portion, and a radiator. The metallic member defines at least one slot and is divided into a first combining portion and a second combining portion by the at least one slot. The feed portion feeds current to the first combining portion. The ground portion grounds the first combining portion. The radiator feeds current to the second combining portion. The first combining portion, the feed portion, and the ground portion cooperatively form a first antenna to activate a first mode for generating radiation signals in a first frequency band. The second combining portion and the radiator cooperatively form a second antenna to activate a second mode for generating radiation signals in a second frequency band.
    Type: Application
    Filed: October 18, 2017
    Publication date: May 10, 2018
    Inventor: GENG-HONG LIOU
  • Patent number: 9905909
    Abstract: An antenna module includes a metallic member and a first radiating portion. The metallic member defines a slot. The slot is configured to divide the metallic member into a first metallic portion and a second metallic portion. The second metallic portion is spaced apart from the first metallic portion. The first radiating portion is positioned in the second metallic portion and is spaced apart from the second metallic portion. The first metallic portion is grounded. The first radiating portion is configured to receive a current signal and couple the current signal to the second metallic portion. The second metallic portion and the first metallic portion are configured to cooperatively activate a plurality of resonating modes through the slot.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: February 27, 2018
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Geng-Hong Liou, Yen-Hui Lin
  • Patent number: 9893425
    Abstract: An antenna structure includes a baseplate, a first radiator plate, a second radiator plate, and a third radiator plate. The baseplate has a first surface and a second surface opposite to the first surface. The first radiator plate is disposed on the first surface. The second radiator plate is disposed on the first surface. The third radiator plate is disposed on the second surface. A slot is defined between the first radiator plate and the second radiator plate, and the second radiator plate is coupled to the first radiator plate and the third radiator plate.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: February 13, 2018
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Geng-Hong Liou, Yen-Hui Lin
  • Patent number: 9882278
    Abstract: An antenna switching system includes a first antenna, a second antenna, a first sensing unit, a second sensing unit, a controlling unit, and a switching unit. The first sensing unit detects a distance between an object and the first antenna. The second sensing unit detects a distance between the object and the second antenna. The controlling unit is electronically connected to the first sensing unit and the second sensing unit. The switching unit is electronically connected to the controlling unit, the first antenna, and the second antenna. The controlling unit is configured to activate and deactivate the first antenna and the second antenna via the switching unit based on detections of the first sensing unit and the second sensing unit.
    Type: Grant
    Filed: October 23, 2014
    Date of Patent: January 30, 2018
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Geng-Hong Liou, Yen-Hui Lin
  • Publication number: 20180026355
    Abstract: An antenna structure includes a metallic member, a feed portion, a ground portion and a radiating portion. The metallic member includes a front frame, a backboard, and a side frame. The side frame defines a slot. The front frame defines a first gap and a second gap, which are in communication with the slot and extend across the front frame. A straight portion of the front frame between the first gap and the second gap forms a radiating section. The feed portion and the ground portion are electrically connected to the radiating section. Current enters the radiating section from the feed portion. The current flows through the radiating section and towards the second gap. The radiating portion obtains current from the radiating section by coupling. The radiating section and the radiating portion generate radiation signals in two different frequency bands. A wireless communication device using the antenna structure is provided.
    Type: Application
    Filed: July 21, 2017
    Publication date: January 25, 2018
    Inventors: YI-CHIEH LEE, GENG-HONG LIOU
  • Patent number: 9780862
    Abstract: An antenna structure includes a feed end, a ground end, a main radiator, a coupling portion, a matching circuit, a switching circuit, and a diplexer. The main radiator is coupled to the feed end. The coupling portion is coupled to the ground end and is spaced apart from the main radiator to allow current to flow from the main radiator to the coupling portion. The switching circuit is coupled to the ground end. The diplexer includes a first port, a second port, and a third port, the first port is coupled to the feed end, the second port is coupled to a transceiver via the matching circuit, and the third port is coupled to the transceiver. The diplexer separates high frequency current from low frequency current output from the feed end, the matching circuit and the switching circuit adjust the high frequency current and the low frequency current.
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: October 3, 2017
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Geng-Hong Liou, Yen-Hui Lin
  • Patent number: 9780439
    Abstract: An antenna structure includes a feed portion, a ground portion, a first radiator, a second radiator, a first metallic sheet, and a second metallic sheet. The first radiator is coupled to the feed portion. The second radiator is spaced from the first radiator, and is electronically coupled to the first radiator. The first metallic sheet is coupled to the ground portion. The first metallic sheet and the second metallic sheet are connected to two opposite sides of the second radiator.
    Type: Grant
    Filed: October 9, 2014
    Date of Patent: October 3, 2017
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Geng-Hong Liou, Yen-Hui Lin