Patents by Inventor Jim WICKENHISER

Jim WICKENHISER 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: 11947478
    Abstract: A method for programming and controlling of a plurality of slave devices serially connected in a daisy chain configuration using a master device includes assigning a unique slave address to each slave device in the plurality of slave devices by sending an initialization data packet from the master device serially through the plurality of slave devices; storing, in each of the plurality of slave devices, the assigned slave address; defining a data packet; and transmitting the data packet serially to one or more of the plurality of slave devices. The data packet has a target slave address, a read/write command, a start address, and optionally a register address and an increment value.
    Type: Grant
    Filed: February 24, 2022
    Date of Patent: April 2, 2024
    Assignee: SCT LTD.
    Inventors: Shang-Kuan Tang, Eric Li, Jim Wickenhiser
  • Patent number: 11462153
    Abstract: An LED display device includes an LED array and a driver system thereof. The LED display device is configured so that LEDs in the LED array can switch between receiving scan signals at their anodes or receiving scan signals at their cathodes.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: October 4, 2022
    Assignee: SCT LTD.
    Inventors: Eric Li, Jim Wickenhiser, Yi Zhang, Shang-Kuan Tang, Shean-Yih Chiou, Brandon Li
  • Patent number: 11409163
    Abstract: An LED panel has an interleaved topology in which two adjacent LED rows in the LED panel are driven by different drivers. A delay time can be implemented between starting times two adjacent LED rows. Such an LCD panel can be employed to backlight an LCD panel in an LCD display. Implementing a delay time in driving the LED panel can reduce visual artifacts in the LCD display.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: August 9, 2022
    Assignee: SCT LTD.
    Inventors: Eric Li, Jim Wickenhiser, Shang-Kuan Tang, Sheanyih Chiou, Yi Zhang, Brandon Li
  • Publication number: 20220188255
    Abstract: A method for programming and controlling of a plurality of slave devices serially connected in a daisy chain configuration using a master device includes assigning a unique slave address to each slave device in the plurality of slave devices by sending an initialization data packet from the master device serially through the plurality of slave devices; storing, in each of the plurality of slave devices, the assigned slave address; defining a data packet; and transmitting the data packet serially to one or more of the plurality of slave devices. The data packet has a target slave address, a read/write command, a start address, and optionally a register address and an increment value.
    Type: Application
    Filed: February 24, 2022
    Publication date: June 16, 2022
    Inventors: Shang-Kuan TANG, Eric LI, Jim WICKENHISER
  • Publication number: 20220188254
    Abstract: A method for programming and controlling of a plurality of slave devices serially connected in a daisy chain configuration using a master device is disclosed. The method includes broadcasting, from the master device, an initialization data packet to the plurality of slave devices to assign each slave device in the plurality of slave devices a slave address that is unique to said each slave device; storing, in each slave device, the assigned slave address, defining a data packet , wherein the data packet comprises a target slave address, a read/write command, a register address, a increment value, and a start address; and transmitting the data packet serially to one or more of the plurality of slave devices until the target address in the data packet matches the slave address stored in one of the plurality of slave devices.
    Type: Application
    Filed: December 13, 2021
    Publication date: June 16, 2022
    Inventors: Shang-Kuan TANG, Eric LI, Jim WICKENHISER
  • Patent number: 11355054
    Abstract: The LED display system includes an array of LEDs and a driver circuit. The driver circuit has a PWM engine, an adder, an accumulator, a multiplier, and a frame butter. The multiplier multiplies an image data of a first bit depth (PWM) with a multiple (M) to produce an input data (PWM_M) having a second bit depth. The multiple has an integer section (MI) of one or more bit in length and a fraction section (MF) of one or more bit in length. The input data has an integer section (PWM_MI) and a fraction section (PWM_MF). The adder adds a value of PWM_MF of a current input data with a value of a remainder in an accumulator. The PWM engine receives PWM data from the frame buffer and generates PWM pulses to drive the LED array.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: June 7, 2022
    Assignee: SCT LTD.
    Inventors: Eric Li, Jim Wickenhiser, Shang-Kuan Tang
  • Publication number: 20220114953
    Abstract: An LED display device includes an LED array and a driver system thereof. The LED display device is configured so that LEDs in the LED array can switch between receiving scan signals at their anodes or receiving scan signals at their cathodes.
    Type: Application
    Filed: December 20, 2021
    Publication date: April 14, 2022
    Inventors: Eric LI, Jim WICKENHISER, Yi ZHANG, Shang-Kuan TANG, Shean-Yih CHIOU, Brandon LI
  • Publication number: 20220068186
    Abstract: The LED display system includes an array of LEDs and a driver circuit. The driver circuit has a PWM engine, an adder, an accumulator, a multiplier, and a frame butter. The multiplier multiplies an image data of a first bit depth (PWM) with a multiple (M) to produce an input data (PWM_M) having a second bit depth. The multiple has an integer section (MI) of one or more bit in length and a fraction section (MF) of one or more bit in length. The input data has an integer section (PWM_MI) and a fraction section (PWM_MF). The adder adds a value of PWM_MF of a current input data with a value of a remainder in an accumulator. The PWM engine receives PWM data from the frame buffer and generates PWM pulses to drive the LED array.
    Type: Application
    Filed: August 26, 2021
    Publication date: March 3, 2022
    Inventors: Eric LI, Jim WICKENHISER, Shang-Kuan TANG
  • Publication number: 20220043310
    Abstract: An LED panel has an interleaved topology in which two adjacent LED rows in the LED panel are driven by different drivers. A delay time can be implemented between starting times two adjacent LED rows. Such an LCD panel can be employed to backlight an LCD panel in an LCD display. Implementing a delay time in driving the LED panel can reduce visual artifacts in the LCD display.
    Type: Application
    Filed: August 10, 2021
    Publication date: February 10, 2022
    Inventors: Eric LI, Jim WICKENHISER, Shang-Kuan TANG, Sheanyih CHIOU, Yi ZHANG, Brandon LI