Patents by Inventor Chung-Kwei Yu

Chung-Kwei Yu 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).

  • Vehicle wireless alarm system
    Patent number: 6861948
    Abstract: A vehicle wireless alarm system comprises a front car subsystem installed in a front car and a rear car subsystem installed in a rear car. The front car is in front of the rear car. The front car subsystem comprises a reverse car sensor and a brake car sensor; an alarm source; an oscillator; an encoder; an amplifier receiving signals; and a transmitter for emitting the receiving signals wirelessly as emitting signals. The rear car subsystem comprises a receiver receiving the transmitting signals; an amplifier; a decoder; an output device and outputting the receiving signals; and an alarm device receiving signals from the output device and emits alarm signals. By above system, a driver in the rear car can know that the front car now reverses or brakes.
    Type: Grant
    Filed: March 11, 2003
    Date of Patent: March 1, 2005
    Inventors: Hong-Chiu Lee, Chung-Kwei Yu
  • Vehicle wireless alarm system
    Publication number: 20040178926
    Abstract: A vehicle wireless alarm system comprises a front car subsystem installed in a front car and a rear car subsystem installed in a rear car. The front car is in front of the rear car. The front car subsystem comprises a reverse car sensor and a brake car sensor; an alarm source; an oscillator; an encoder; an amplifier receiving signals; and a transmitter for emitting the receiving signals wirelessly as emitting signals. The rear car subsystem comprises a receiver receiving the transmitting signals; an amplifier; a decoder; an output device and outputting the receiving signals; and an alarm device receiving signals from the output device and emits alarm signals. By above system, a driver in the rear car can know that the front car now reverses or brakes.
    Type: Application
    Filed: March 11, 2003
    Publication date: September 16, 2004
    Inventors: Hong-Chiu Lee, Chung-Kwei Yu