Patents by Inventor Tom Jou

Tom Jou 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).

  • Flicker-control device with polarized lamp
    Patent number: 4769579
    Abstract: This invention utilizes the property of diodes to judge positive/negative voltage, and connecting general incandescent lamps in parallel to combine, as lamp-strings, with each being polarized. The lamp-string is assembled with flicker-control device, a power supply using AC source which offers direct current with positive and negative variation to provide an assembly of a flicker-control device and lamp-strings for advertisement, decoration and other applications and a flickering function.
    Type: Grant
    Filed: September 8, 1986
    Date of Patent: September 6, 1988
    Inventor: Tom Jou