Patents by Inventor Na LEI

Na LEI 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).

  • Publication number: 20170102771
    Abstract: A wearable ultrasonic haptic feedback system includes: a substrate layer; an ultrasonic transmitter matrix layer disposed above the substrate layer and including a plurality of ultrasonic transmitters; a converter matrix layer disposed below the substrate layer and including a plurality of converters; a first control unit connected with the ultrasonic transmitter matrix layer; an RF receiver connected with the first control unit; a second control unit connected with the converter matrix layer; and an RF transmitter connected with the second control unit. The ultrasonic transmitters are configured to be controlled by the first control unit to transmit an ultrasonic signal of a preset frequency respectively. The converters are configured to be respectively controlled by the second control unit to sense an ultrasonic signal and convert the sensed ultrasonic signal to an electrical signal. The RF transmitter is configured to transmit the electrical signal through an RF signal of a preset frequency.
    Type: Application
    Filed: December 12, 2016
    Publication date: April 13, 2017
    Inventor: Na LEI