Patents by Inventor Yen Chi Cheng

Yen Chi Cheng 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).

  • Log in system and log in method of field
    Patent number: 11316558
    Abstract: A log in system and a log in method of a field are provided. The log in method includes: broadcasting a first RF (RF) signal and a second RF signal by a gateway; a sensing card receiving the first RF signal to switch from a disable mode to an enable mode, the sensing card receiving the second RF signal in the enable mode and generating a communicating channel between the sensing card and the gateway in response to the second RF signal; the gateway receiving sensing card information from the sensing card via the communicating channel and recording an identity corresponding to the sensing card to a log in list corresponding to the field according to the sensing card information.
    Type: Grant
    Filed: April 8, 2021
    Date of Patent: April 26, 2022
    Assignees: ASKEY COMPUTER CORP., ASKEY TECHNOLOGY (JIANGSU) LTD.
    Inventors: Yen Chi Cheng, Yu Ting Hsiao, Huan-Ruei Shiu