John W. Ulrick

Person

  • Valenica, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Digital class-D audio amplifier

    • Patent number 6,498,531
    • Issue date Dec 24, 2002
    • Spectron
    • John W. Ulrick
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Output stage for high power class D amplifiers

    • Patent number 6,304,137
    • Issue date Oct 16, 2001
    • Red Chip Company Limited
    • Stuart W. Pullen
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    Current limiting circuit

    • Publication number 20030122605
    • Publication date Jul 3, 2003
    • John W. Ulrick
    • H03 - BASIC ELECTRONIC CIRCUITRY