Patents by Inventor Yi-Chieh Lee

Yi-Chieh Lee 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: 20250310891
    Abstract: A method for reducing power consumption, for a user equipment (UE) of a wireless communication network includes receiving a message indicating a commencement of a physical downlink control channel (PDCCH) skipping duration from a network node; determining whether or not to enable a simulated discontinuous reception (DRX) inactive state during the PDCCH skipping duration according to at least one predefined condition; and entering the simulated DRX inactive state when the at least one predefined condition is met.
    Type: Application
    Filed: March 19, 2025
    Publication date: October 2, 2025
    Applicant: MEDIATEK INC.
    Inventors: Ting-Yi Yu, Ling-Chun Kuo, Yi-Chieh Lee, Ching-Wen Hu, Che-Yuan Hu, I-Jui Chiu, Ruei-Bin Yang, Yi-Cheng Lai, Teemu Olkkola, Ville Karsikko, Chih-Wen Chiang, Chia-Lin Wu, Juha Markus Tuomainen, Guang-Yu Zheng, Lian-Li Tsai, Kai-Tai Yang
  • Patent number: 11973261
    Abstract: An antenna structure with wide radiation bandwidth in a reduced physical space includes a metallic housing, a first feed portion, and a second feed portion. The metallic housing includes a metallic side frame and a metallic back board. The metallic side frame defines a slot, and first and second gaps. The metallic side frame between the first gap and one end of the slot forms a first radiation portion. The second gap divides the first radiation portion into first and second radiation sections. The first feed portion feeds current and signal to the first radiation section, and the first radiation section works in a GPS mode and a WIFI 2.4 GHz mode. The second feed portion feeds current and signal to the second radiation section, and the second radiation section works in a WIFI 5 GHz mode.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: April 30, 2024
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Kun-Lin Sung, Yung-Chin Chen, Yi-Chieh Lee
  • Publication number: 20230275344
    Abstract: An antenna structure applied in a wearable device includes a ceramic layer, a plastic layer, a radiating portion, a feed portion; and a connecting portion. The ceramic layer includes a first surface and a second surface corresponding to each other. The plastic layer is connected to the second surface. The radiating portion is a predetermined metal pattern and arranged in the first surface. The connecting portion passes through the plastic layer and is electrically connected to the feed portion. The feed portion feeds an electrical current to the radiating portion to generate radiation signals in at least one radiation frequency band. A wearable device having the antenna structure is also provided.
    Type: Application
    Filed: February 28, 2023
    Publication date: August 31, 2023
    Inventors: CHO-KANG HSU, YI-CHIEH LEE, JUNG-CHIN LIN, CHANG-YI PENG, HSIN-SHENG HUANG
  • Publication number: 20230275341
    Abstract: An antenna structure applied in a wearable device includes a first radiating portion, a ceramic layer, a plastic layer, and a feed portion. The first radiating portion is a metal structure. The ceramic layer covers and contacts the first radiating portion. The first radiating portion is arranged between the ceramic layer and the plastic layer. The feed portion passes through the plastic layer and feeds an electric current into the first radiating portion, the first radiating portion and the ceramic layer cooperatively generate radiation signals in at least one radiation frequency band. A wearable device having the antenna structure is also provided.
    Type: Application
    Filed: February 22, 2023
    Publication date: August 31, 2023
    Inventors: CHO-KANG HSU, YI-CHIEH LEE, JUNG-CHIN LIN, HSIN-SHENG HUANG, CHANG-YI PENG
  • Patent number: 11637361
    Abstract: An antenna structure includes a metal frame, a feeding portion, and a first ground portion. The metal frame is provided with a slot, a first gap, a second gap, and a third gap. The first gap, the second gap, and the third gap are coupled to the slot, and the slot, the first gap, the second gap, and the third gap divide the metal frame into a radiating portion and a first coupling portion. A portion of the metal frame between the first gap and the third gap form the radiating portion, and a portion of the metal frame between the second gap and the third gap form the first coupling portion. The feeding portion is electrically coupled to the radiating portion to feed an electric signal to the radiating portion. The first ground portion is electrically coupled to the radiating portion to provide ground to the radiating portion.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: April 25, 2023
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Yung-Chin Chen, Kun-Lin Sung, Yi-Chieh Lee
  • Patent number: 11431085
    Abstract: An antenna structure with wide radiation bandwidth in a reduced physical space includes a housing, a connection capacitor, and a feed portion. The housing defines at least one gap and a slot dividing the housing into a first radiation portion, a second radiation portion, and a third radiation. The connection capacitor bridges the first gap, connecting the first radiation portion and the second radiation portion. The feed portion is electrically connected to the first radiation portion. The current flows through the first radiation portion and towards the second radiation portion through the connection capacitor. The current is further coupled to the third radiation portion to generate radiation signals in different frequency bands.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: August 30, 2022
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Yung-Chin Chen, Yi-Chieh Lee, Kun-Lin Sung
  • 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
  • Publication number: 20210226319
    Abstract: An antenna structure with wide radiation bandwidth in a reduced physical space includes a metallic housing, a first feed portion, and a second feed portion. The metallic housing includes a metallic side frame and a metallic back board. The metallic side frame defines a slot, and first and second gaps. The metallic side frame between the first gap and one end of the slot forms a first radiation portion. The second gap divides the first radiation portion into first and second radiation sections. The first feed portion feeds current and signal to the first radiation section, and the first radiation section works in a GPS mode and a WIFI 2.4 GHz mode. The second feed portion feeds current and signal to the second radiation section, and the second radiation section works in a WIFI 5 GHz mode.
    Type: Application
    Filed: January 15, 2021
    Publication date: July 22, 2021
    Inventors: KUN-LIN SUNG, YUNG-CHIN CHEN, YI-CHIEH LEE
  • Publication number: 20210218130
    Abstract: An antenna structure includes a metal frame, a feeding portion, and a first ground portion. The metal frame is provided with a slot, a first gap, a second gap, and a third gap. The first gap, the second gap, and the third gap are coupled to the slot, and the slot, the first gap, the second gap, and the third gap divide the metal frame into a radiating portion and a first coupling portion. A portion of the metal frame between the first gap and the third gap form the radiating portion, and a portion of the metal frame between the second gap and the third gap form the first coupling portion. The feeding portion is electrically coupled to the radiating portion to feed an electric signal to the radiating portion. The first ground portion is electrically coupled to the radiating portion to provide ground to the radiating portion.
    Type: Application
    Filed: November 30, 2020
    Publication date: July 15, 2021
    Inventors: YUNG-CHIN CHEN, KUN-LIN SUNG, YI-CHIEH LEE
  • Publication number: 20210151861
    Abstract: An antenna structure with wide radiation bandwidth in a reduced physical space includes a housing, a connection capacitor, and a feed portion. The housing defines at least one gap and a slot dividing the housing into a first radiation portion, a second radiation portion, and a third radiation. The connection capacitor bridges the first gap, connecting the first radiation portion and the second radiation portion. The feed portion is electrically connected to the first radiation portion. The current flows through the first radiation portion and towards the second radiation portion through the connection capacitor. The current is further coupled to the third radiation portion to generate radiation signals in different frequency bands.
    Type: Application
    Filed: November 20, 2020
    Publication date: May 20, 2021
    Inventors: YUNG-CHIN CHEN, YI-CHIEH LEE, KUN-LIN SUNG
  • 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: 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
  • 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: 9825362
    Abstract: An antenna structure includes a feed portion, a ground portion, a connecting portion, a first radiating portion, a second radiating portion, and a resonance portion. The ground portion is spaced apart from the feed portion. The connecting portion is electrically connected to the feed portion. The first radiating portion and the second radiating portion are both electrically connected to the connecting portion. The resonance portion is electrically connected to the ground portion. The connecting portion and the resonance portion define a slot therebetween.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: November 21, 2017
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Yi-Chieh Lee, Yen-Hui Lin
  • Patent number: 9774071
    Abstract: An antenna structure includes a feed portion, a ground portion, a primary antenna, a secondary antenna, and a metal portion connected to the ground portion. The primary antenna includes first and second radiating portions. The first radiating portion and the second radiating portion are both connected to the feed portion and are positioned at opposite sides of the feed portion. The secondary antenna includes third and fourth radiating portions. The third radiating portion and the fourth radiating portion are connected to the ground portion and positioned at two sides of the ground portion.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: September 26, 2017
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Yi-Chieh Lee, Yen-Hui Lin
  • Publication number: 20160336644
    Abstract: A wireless communication device includes a metallic housing and an antenna structure. The antenna structure includes a feed end and a radiator. The radiator is connected to the feed end and extends towards the metallic housing. The metallic housing defines a gap between the metallic housing and the radiator for coupling the metallic housing with the radiator through electromagnetic induction. A size of the gap is determined by a wavelength of wireless signals received or transmitted by the wireless communication device. The radiator and the metallic housing cooperatively resonate in at least two modes.
    Type: Application
    Filed: May 13, 2015
    Publication date: November 17, 2016
    Inventors: YI-CHIEH LEE, YEN-HUI LIN
  • Patent number: 9472847
    Abstract: An antenna structure is electronically connected to a connector of a wireless communication device. The connector includes a power terminal and a ground terminal. The antenna structure includes a main antenna, a secondary antenna, and two posts. The main antenna includes a feed portion and a ground portion. The secondary antenna extends from the main antenna. One post electronically connects the power terminal of the connector to the feed portion, and the other post electronically connects the ground terminal of the connector to the ground portion. A wireless communication device employing the antenna structure is also described.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: October 18, 2016
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Yi-Chieh Lee, Yen-Hui Lin
  • Patent number: 9444142
    Abstract: A dual band antenna includes a first radiating portion, a second radiating portion, and a resonating portion. The first radiating portion includes a first feeding arm that feeds first signals at a first frequency band. The second radiating portion is positioned spaced apart from the first radiating portion. The second radiating portion includes a second feeding arm that feeds second signals at a second frequency band. The resonating portion is connected between the first radiating portion and the second radiating portion. The resonating portion resonates with the first and second radiating portions to generate two different frequency bands, so that the dual band antenna receives and sends wireless signals at the first and second frequency bands.
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: September 13, 2016
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Yi-Chieh Lee, Yen-Hui Lin