Patents Represented by Law Firm Folley & Lardner, Schwartz, Jeffery, Schwaab, Mack, Blumenthal & Evans
  • Digital fault locator
    Patent number: 4857854
    Abstract: A digital fault locator of this invention comprises a memory for storing input electric amount from a system and a plurality of digital filters having different filter functions to which electric amounts are supplied from the memory. A fault location is determined by selectively providing a specific one of outputs from the digital filters according to a fault time.
    Type: Grant
    Filed: November 5, 1986
    Date of Patent: August 15, 1989
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Tetsuo Matsushima