Patents by Inventor Lew Shaw

Lew Shaw 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).

  • Signal transmission system
    Patent number: 5953043
    Abstract: An electrical signal transmission system is disclosed and includes a transmission unit and a receiver unit. The transmission unit converts the relative amplitudes of an input amplitude signal to a time domain representative signal of varying pulse widths, and the receiver unit receives the time domain representative signal and generates an output signal representative of the input amplitude signal.
    Type: Grant
    Filed: August 9, 1996
    Date of Patent: September 14, 1999
    Inventor: Lew Shaw
  • Recording representations of disrupted space patterns
    Patent number: 4025898
    Abstract: A method records the representations of disrupted space patterns such as fingerprints by generating phase frequency differences or moire representations of the image of the patterns or fingerprints which are converted to a waveform of electrical signals which are stored with or without further processing.
    Type: Grant
    Filed: January 9, 1976
    Date of Patent: May 24, 1977
    Inventor: Lew Shaw