Patents by Inventor Chao-Hsien Ma

Chao-Hsien Ma 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).

  • Single-ended successive approximation register analog-to-digital converter
    Patent number: 11050431
    Abstract: A single-ended successive approximation register (SAR) analog-to-digital converter (ADC) includes a first digital-to-analog converter (DAC) having a first capacitor associated with a most significant bit (MSB) of the output code, and a second capacitor associated with other bit or bits of the output code; and a second DAC having a first capacitor associated with a MSB of the output code, and a second capacitor associated with other bit or bits of the output code. A bottom plate of the first capacitor of the second DAC is connected to a negative reference voltage in all phases.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: June 29, 2021
    Assignees: NCKU Research and Development Foundation, Himax Technologies Limited
    Inventors: Chao-Hsien Ma, Soon-Jyh Chang, Hao-Sheng Wu