Patents Assigned to Chiun Mai Communication Systems, Inc.
  • Patent number: 11545735
    Abstract: An antenna structure includes a metal housing, a first feed source, and a first radiator. 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 gap. The metal housing is divided into at least a long portion and a short portion by the slot and the gap. The first radiator is positioned in the housing and includes a first radiating portion and a second radiating portion. One end of the first radiating portion is electrically connected to the first feed source and another end of the first radiating portion is spaced apart from the long portion. One end of the second radiating portion is electrically connected to the first feed source and another end of the second radiating portion is spaced apart from the short portion.
    Type: Grant
    Filed: January 8, 2021
    Date of Patent: January 3, 2023
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Cheng-Han Lee, Yi-Wen Hsu, Wei-Xuan Ye
  • Patent number: 11535244
    Abstract: A parking assistance method is provided. The method includes recognizing image features of a traffic line corresponding to a parking position of a vehicle. A category of the parking position of the vehicle is determined based on the image features of the traffic line. Once the vehicle is determined to be parking illegally based on the category of the parking position of the vehicle; a warning is issued.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: December 27, 2022
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Jian-Cheng Lin, Hsiu-Hua Yen, Chih-Pu Hsu
  • Patent number: 11539114
    Abstract: An antenna for a foldable electronic device which functions equally well in both folded and unfolded states includes a rotating shaft and a housing. The overall housing is made of metallic material and includes a first housing and a second housing. The first housing connects to the second housing through the rotating shaft. The housing further defines at least one group of slots to form at least one slot antenna. The at least one slot antenna crosses the rotating shaft and extends to the first housing and/or the second housing. By setting at least one slot antenna to correspond to the rotating shaft, the foldable electronic device achieves high radiation performance whether the first and second housing are folded or unfolded.
    Type: Grant
    Filed: May 4, 2021
    Date of Patent: December 27, 2022
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Cho-Kang Hsu, Min-Hui Ho
  • Patent number: 11483779
    Abstract: A user equipment and a communication method are provided. The user equipment includes a signal transceiver, a first antenna, a second antenna, a third antenna, and a power amplifier module. The signal transceiver applies a conversion between a baseband signal and a radio frequency signal. The first antenna is a primary antenna for receiving and transmitting RF signals. The second antenna is a diversity antenna for receiving RF signals. The third antenna is a low frequency antenna for transmitting signals in a specific low frequency band. The power amplifier module is electrically connected to the signal transceiver, the first antenna, and the third antenna. The power amplifier module amplifies the RF signal output by the signal transceiver and outputs same to either the first or third antenna.
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: October 25, 2022
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Chung-Tsung Wang, Wen-Yi Kuo
  • 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: 11432414
    Abstract: A back cover ejection structure is applied in an electronic device. The electronic device includes a back cover and a middle frame, the back cover ejection structure can eject the back cover from the middle frame. The back cover ejection structure includes a housing, a moving plate, and a rotating cover. The moving plate is received in the housing and can move in a first direction. The moving plate includes a plate body and a first groove defined in the plate body. The first groove includes a first section, the first section inclined with the first direction. The rotating cover is rotatably connected to the housing. The rotating cover includes a sliding rod slidably received in the first section. The sliding rod can push the rotating cover to rotate when sliding in the first section, causing the rotating cover to eject the back cover from the middle frame.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: August 30, 2022
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventor: Chia-Ju Lin
  • Patent number: 11374305
    Abstract: An antenna structure utilizing metallic frame of electronic device to simultaneously send and receive radio waves on multiple frequencies includes first and second feeding sources and the metallic frame. A notch in the metallic frame creates first and second radiating portions. The first feeding source feeds the first radiating portion, and a first mode and a second mode can be activated simultaneously to generate radiation signals in a first frequency band and a second frequency band. The second feeding source feeds the second radiating portion and a third mode and a fourth mode can be simultaneously activated to generate radiation signals in a third frequency band and a fourth frequency band. A wireless communication device is also provided. The wireless communication device includes a motherboard and the antenna structure.
    Type: Grant
    Filed: January 9, 2019
    Date of Patent: June 28, 2022
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventor: Tun-Yuan Tsou
  • Patent number: 11355853
    Abstract: An antenna structure with wide bandwidth in a reduced physical space includes a housing, a side wall, and a first feed portion. The housing includes a metal side frame, a metal middle frame, and a metal back board. The side wall is made of metal material. The metal middle frame and the metal back board are coupled to two sides of the side wall, and the metal middle frame is parallel to the metal back board. The metal side frame surrounds the metal back board. The metal side frame defines at least one gap. The metal back board defines a slot. The slot and the at least one gap cooperatively divide at least two radiation portions from the metal side frame. A wireless communication device employing the antenna structure is also provided.
    Type: Grant
    Filed: May 6, 2020
    Date of Patent: June 7, 2022
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Cho-Kang Hsu, Min-Hui Ho
  • Patent number: 11349199
    Abstract: An antenna structure with wide radiation bandwidth in a reduced physical space includes a housing, a first feed portion, and a second feed portion. The housing includes a metallic side frame, a metallic middle frame, and a metallic back board. The metallic side frame defines first and second gaps and the metallic back board defines a slot. The slot, and the first and second gaps, create a first radiation portion from the metallic side frame. The first and second feed portions are both electrically connected to the first radiation portion. When the first feed portion feeds current, the current flows through the first radiation portion, toward the second gap to excite a GPS mode and a WIFI 2.4 GHz mode. When the second feed portion feeds current, the current flows through the first radiation portion, toward the first gap to excite a WIFI 5 GHz mode.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: May 31, 2022
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Cho-Kang Hsu, Min-Hui Ho
  • Patent number: 11342653
    Abstract: An antenna structure with wide radiation bandwidth in a reduced physical space includes a housing, a first feed portion, and a second feed portion. The housing includes a metallic side frame, a metallic middle frame, and a metallic back board. The metallic side frame defines a first gap and a second gap. The metallic back board defines a slot. The slot, the first and second gaps divide a first radiation portion and a second radiation from the metallic side frame. The first feed portion is electrically connected to the first radiation portion. The second feed portion is electrically connected to the second radiation portion. The metallic middle frame and the metallic back board are connected to each other to form a system ground plane to provide a ground for the antenna structure.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: May 24, 2022
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Cho-Kang Hsu, Min-Hui Ho, Te-Chang Lin
  • Patent number: 11342985
    Abstract: A method for determining a communication path of millimeter wave signal and measurement device using the method includes a first measuring device and a second measuring device. The first measurement device queries a list to determine a first AOD of the first measurement device corresponding to a LOS, and controls the array antenna of the first measurement device to send the millimeter wave signal at the first AOD of the first measurement device corresponding to the LOS to the second measurement device. The second measurement device queries the list to determine a first AOA of the second measurement device corresponding to the LOS, and controls the array antenna of the second measurement device to receive the millimeter wave signal at the first AOA of the first measurement device corresponding to the LOS. Thus, a downlink between the first measurement device and the second measurement device can be quickly established.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: May 24, 2022
    Assignees: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., Chiun Mai Communication Systems, Inc.
    Inventor: Kwo-Jyr Wong
  • Patent number: 11342669
    Abstract: An antenna structure with wide radiation bandwidth in a reduced physical space includes a housing and a feed portion. The housing defines at least one gap and a slot that divides the housing into two or more radiation portions. The antenna structure further includes a middle-high band reflector (MHR). The MHR is connected to a side frame of the housing and extends along a direction parallel to one radiation portion. The MHR can also be positioned apart from one radiation portion. One end of the MHR is connected to a back board of the housing, the feed portion being electrically connected to one radiation portion. The back board and portions of the side frame without radiation portions are connected to form a system ground plane for grounding the antenna structure.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: May 24, 2022
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Cho-Kang Hsu, Min-Hui Ho
  • Patent number: 11324140
    Abstract: A thin-profile composite heat dissipating structure for a heat-generating electronic device includes a heat sink and a heat pipe, the heat sink includes a first housing, a first heat dissipation liquid, and a gas. The first housing is sealed to form a first cavity, the first heat dissipation liquid and the gas are received in the first cavity. The heat pipe is connected to the first housing and a wick structure to allow the return of the condensed heat dissipation liquid by capillary action is disposed elsewhere. An electronic device using the structure is also provided.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: May 3, 2022
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventor: Yu-Wei Chang
  • Patent number: 11269443
    Abstract: A method for distinguishing between touches intended as commands on a display screen and fingertip presentation for fingerprint recognition, applied to an electronic device, includes: (Step 1) detecting a touched area of a touch event on a display screen; (Step 2) determining whether an area size of the touched area is greater than a predetermined threshold; (Step 3) when the area size of the touched area is smaller than the predetermined threshold, determining that the touch event is a touch operation and executing a corresponding function; and (Step 4) when the area size of the touched area is greater than the predetermined threshold, determining that the touch event is for fingerprint recognition, detecting the fingerprint input by the fingerprint sensor and executing a function corresponding to the fingerprint presentation and recognition.
    Type: Grant
    Filed: August 21, 2020
    Date of Patent: March 8, 2022
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventor: Jung-Feng Hsieh
  • 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: 11228717
    Abstract: A hand-held image-capturing electronic device with ability to compensate for unstable rotation and images during 360-degree panoramic captures includes a display screen, a first lens unit, a second lens unit, and a third lens unit. The first lens unit and the second lens unit are positioned on opposing surfaces, the third lens unit is independently rotatable on the electronic device and can cooperate with the first lens unit and the second lens unit to capture images which are refined and synthesized together by the device. A method for capturing such images with such device is also disclosed.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: January 18, 2022
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventor: Kuo-Wei Wu
  • Patent number: 11227043
    Abstract: A device including an unlocking system includes a sensing device to gather data of a physical movement of a user's body or part as representing an unlocking action. The unlocking system includes a display module, a password setting module, an identifying module, a determining module, and an unlocking module. The display module displays an unlock interface on a display screen which itself can view the user's eyes. The password setting module has a preset unlocking password and the movement can be determined as representing an unlocking action. The correctness of such unlocking action as a password can be determined by the determining module. The unlocking module can unlock all or some functions of the electronic device when the password offered is found correct. Different unlock interfaces can be displayed depending on different geographical locations. An electronic device and a unlocking method are also disclosed.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: January 18, 2022
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventor: Cheng-Yueh Chung
  • Patent number: 11217892
    Abstract: An antenna structure includes a housing, a first feed source, and a second feed source. The first feed source is electrically coupled to a first radiating portion of the housing and adapted to provide an electric current to the first radiating portion. The second feed source is electrically coupled to one of a second radiating portion or a third radiating portion of the housing. The other one of the second radiating portion or the third radiating portion is electrically coupled to the first radiating portion.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: January 4, 2022
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Cheng-Han Lee, Te-Chang Lin, Huo-Ying Chang, Min-Hui Ho
  • Patent number: 11216283
    Abstract: An operation parameter configuration method includes configuring at least two groups of operation parameters of an application, detecting a startup signal of the application in real time, confirming one of the at least two groups of operation parameters according to the startup signal, and starting the application in a foreground of the electronic device according to one confirmed group of operation parameters. The at least two groups of operation parameters include a group of default operation parameters and a group of optimal operation parameters. The group of optimal operation parameters are calculated according to a history of execution of the application by an electronic device. The group of optimal operation parameters is calculated according to a history of execution of the application in the foreground of the electronic device.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: January 4, 2022
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventor: Yu-Hua Hung
  • Patent number: 11211691
    Abstract: An antenna structure able to occupy a very small space in an electronic device includes a metal frame and at least one feed source. The metal frame is metallic, a protruding portion protrudes from a side of the metal frame. The side of the metal frame with the protruding portion defines a first gap and a second gap. The first gap and the second gap divide the metal frame into radiation portions. The at least one feed source is electrically connected to each of the at least two radiation portions and feeds a current to each of the at least two radiation portions.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: December 28, 2021
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Wen-Yi Kuo, Po-Ching Huang, Chueh-Chuan Chen, Yen-Hui Lin