Patents by Inventor Xie Hao

Xie Hao 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).

  • Point-to-multipoint communication system and method
    Patent number: 5553135
    Abstract: A point-to-multipoint communication system includes a central telephony unit having at least one telephony module interface coupled to at least one set of telephony modules. Each set of telephony modules includes a predetermined number of telephony modules connected in a daisy chained configuration. Each telephony module includes a plurality of terminal communication equipment interfaces which allow a corresponding number of terminal communication equipment to be coupled to each and every telephony module. Each terminal communication equipment responds to a unique terminal communication identifier which is transmitted with each message from the central telephony unit. The point-to-multipoint communication system includes a configuration mode which allows the system to automatically map its configuration including the number of telephony modules in each set and the number of terminal communication equipment coupled to any one telephony module.
    Type: Grant
    Filed: March 31, 1994
    Date of Patent: September 3, 1996
    Inventor: Xie-Hao Xing
  • Eyeglasses
    Patent number: D934946
    Type: Grant
    Filed: January 3, 2020
    Date of Patent: November 2, 2021
    Inventor: Xie Hao
  • Blue light blocking glasses
    Patent number: D954808
    Type: Grant
    Filed: January 3, 2020
    Date of Patent: June 14, 2022
    Inventor: Xie Hao