Patents by Inventor Eric Shengquan Wu

Eric Shengquan Wu 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).

  • Patent number: 6445661
    Abstract: In a circuit to provide a high precision delay signal, an oscillator generates oscillator pulses, each with an oscillator period. A counter, in response to an enable signal, counts the oscillator pulses and outputs a count signal. The enable signal is a reference clock signal having a reference-clock period that is greater than the oscillator period. A delay generator delays an input signal to provide a sequence of incrementally delayed delay-signals. A multiplexor, in response to the count signal, selects one of the delayed signals. In another aspect of the invention, a disc controller uses the circuit to provide a high precision delay to a write data signal. Another aspect of the invention provides a method of providing the high precision delay.
    Type: Grant
    Filed: August 11, 1999
    Date of Patent: September 3, 2002
    Assignee: Oak Technology, Inc.
    Inventor: Eric Shengquan Wu