Patents Assigned to HEXACHECK INC.
  • Patent number: 11931156
    Abstract: The electrocardiogram measurement apparatus includes: two amplifiers for receiving electrocardiogram signals from a first electrode and a second electrode; one electrode driving unit; a third electrode for receiving an output of the electrode driving unit; an A/D converter connected to an output terminal of each of the two amplifiers and converting analog signals into digital signals; a microcontroller for receiving the digital signals from the A/D converter; and a communication means for transmitting the digital signal, wherein: the microcontroller is supplied with power from a battery; the microcontroller controls the A/D converter and the communication means; and each of the two amplifiers amplifies one electrocardiogram signal so as to simultaneously measure two electrocardiogram signals.
    Type: Grant
    Filed: January 17, 2023
    Date of Patent: March 19, 2024
    Assignee: HEXACHECK INC.
    Inventor: In-Duk Hwang
  • Patent number: 11890075
    Abstract: A portable complex sensor device for measuring multiple items of biometric information, according to the present invention, comprises: a plurality of electrodes for receiving the biometric information; a plurality of biometric information measuring circuits for measuring the biometric information received from the plurality of electrodes; a plurality of current sensors which are always supplied with power so as to sense electric current when an object to be measured contacts the electrodes; a wireless communication means for transmitting and receiving data to and from a smart phone; and a microcontroller for controlling the power supply of a battery by being operated in a sleep mode or an active mode on the basis of whether the current sensors have sensed the electric current.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: February 6, 2024
    Assignee: HEXACHECK INC.
    Inventors: In Deok Hwang, Chang Hwan Kim
  • Publication number: 20240000363
    Abstract: The electrocardiogram measurement apparatus includes: two amplifiers for receiving electrocardiogram signals from a first electrode and a second electrode; one electrode driving unit; a third electrode for receiving an output of the electrode driving unit; an A/D converter connected to an output terminal of each of the two amplifiers and converting analog signals into digital signals; a microcontroller for receiving the digital signals from the A/D converter; and a communication means for transmitting the digital signal, wherein: the microcontroller is supplied with power from a battery; the microcontroller controls the A/D converter and the communication means; and each of the two amplifiers amplifies one electrocardiogram signal so as to simultaneously measure two electrocardiogram signals.
    Type: Application
    Filed: January 17, 2023
    Publication date: January 4, 2024
    Applicant: HEXACHECK INC.
    Inventor: In-Duk HWANG
  • Publication number: 20230225662
    Abstract: The present invention relates to an electrocardiogram measurement apparatus (measurement sensor) which can be used in combination with a smartphone by an individual. The electrocardiogram measurement apparatus according to the present invention comprises: two amplifiers for receiving electrocardiogram signals from a first electrode and a second electrode; one electrode driving unit; a third electrode for receiving an output of the electrode driving unit; an A/D converter connected to an output terminal of each of the two amplifiers and converting analog signals into digital signals; a microcontroller for receiving the digital signals from the A/D converter; and a communication means for transmitting the digital signal, wherein: the microcontroller is supplied with power from a battery; the microcontroller controls the A/D converter and the communication means; and each of the two amplifiers amplifies one electrocardiogram signal so as to simultaneously measure two electrocardiogram signals.
    Type: Application
    Filed: January 13, 2023
    Publication date: July 20, 2023
    Applicant: HEXACHECK INC.
    Inventor: In-Duk HWANG
  • Publication number: 20230148934
    Abstract: The present invention relates to an electrocardiogram measurement apparatus (measurement sensor) which can be used in combination with a smartphone by an individual. The electrocardiogram measurement apparatus according to the present invention comprises: two amplifiers for receiving electrocardiogram signals from a first electrode and a second electrode; one electrode driving unit; a third electrode for receiving an output of the electrode driving unit; an A/D converter connected to an output terminal of each of the two amplifiers and converting analog signals into digital signals; a microcontroller for receiving the digital signals from the A/D converter; and a communication means for transmitting the digital signal, wherein: the microcontroller is supplied with power from a battery; the microcontroller controls the A/D converter and the communication means; and each of the two amplifiers amplifies one electrocardiogram signal so as to simultaneously measure two electrocardiogram signals.
    Type: Application
    Filed: January 18, 2023
    Publication date: May 18, 2023
    Applicant: HEXACHECK INC.
    Inventor: In-Duk HWANG
  • Patent number: 11642066
    Abstract: The electrocardiogram measurement apparatus includes: two amplifiers for receiving electrocardiogram signals from a first electrode and a second electrode; one electrode driving unit; a third electrode for receiving an output of the electrode driving unit; an A/D converter connected to an output terminal of each of the two amplifiers and converting analog signals into digital signals; a microcontroller for receiving the digital signals from the A/D converter; and a communication means for transmitting the digital signal, wherein: the microcontroller is supplied with power from a battery; the microcontroller controls the A/D converter and the communication means; and each of the two amplifiers amplifies one electrocardiogram signal so as to simultaneously measure two electrocardiogram signals.
    Type: Grant
    Filed: July 2, 2022
    Date of Patent: May 9, 2023
    Assignee: HEXACHECK INC.
    Inventor: In-Duk Hwang
  • Publication number: 20220338781
    Abstract: The electrocardiogram measurement apparatus includes: two amplifiers for receiving electrocardiogram signals from a first electrode and a second electrode; one electrode driving unit; a third electrode for receiving an output of the electrode driving unit; an A/D converter connected to an output terminal of each of the two amplifiers and converting analog signals into digital signals; a microcontroller for receiving the digital signals from the A/D converter; and a communication means for transmitting the digital signal, wherein: the microcontroller is supplied with power from a battery; the microcontroller controls the A/D converter and the communication means; and each of the two amplifiers amplifies one electrocardiogram signal so as to simultaneously measure two electrocardiogram signals.
    Type: Application
    Filed: July 2, 2022
    Publication date: October 27, 2022
    Applicant: HEXACHECK INC.
    Inventor: In-Duk HWANG
  • Patent number: D918391
    Type: Grant
    Filed: June 9, 2019
    Date of Patent: May 4, 2021
    Assignee: HEXACHECK INC.
    Inventor: In-Duk Hwang
  • Patent number: D918392
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: May 4, 2021
    Assignee: HEXACHECK INC.
    Inventor: In-Duk Hwang
  • Patent number: D919095
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: May 11, 2021
    Assignee: HEXACHECK INC.
    Inventor: In-Duk Hwang
  • Patent number: D921901
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: June 8, 2021
    Assignee: HEXACHECK INC.
    Inventor: In-Duk Hwang
  • Patent number: D927693
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: August 10, 2021
    Assignee: HEXACHECK INC.
    Inventor: In-Duk Hwang
  • Patent number: D928325
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: August 17, 2021
    Assignee: HEXACHECK INC.
    Inventor: In-Duk Hwang
  • Patent number: D928963
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: August 24, 2021
    Assignee: HEXACHECK INC.
    Inventor: In-Duk Hwang
  • Patent number: D930164
    Type: Grant
    Filed: January 2, 2020
    Date of Patent: September 7, 2021
    Assignee: HEXACHECK INC.
    Inventor: In-Duk Hwang
  • Patent number: D930165
    Type: Grant
    Filed: January 3, 2020
    Date of Patent: September 7, 2021
    Assignee: HEXACHECK INC.
    Inventor: In-Duk Hwang
  • Patent number: D930837
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: September 14, 2021
    Assignee: HEXACHECK INC.
    Inventor: In-Duk Hwang
  • Patent number: D933235
    Type: Grant
    Filed: January 3, 2020
    Date of Patent: October 12, 2021
    Assignee: HEXACHECK INC.
    Inventor: In-Duk Hwang
  • Patent number: D933243
    Type: Grant
    Filed: January 7, 2020
    Date of Patent: October 12, 2021
    Assignee: HEXACHECK INC.
    Inventor: In-Duk Hwang
  • Patent number: D933838
    Type: Grant
    Filed: January 7, 2020
    Date of Patent: October 19, 2021
    Assignee: HEXACHECK INC.
    Inventor: In-Duk Hwang