Patents by Inventor Minoru Hatata

Minoru Hatata 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).

  • Abnormal signal detecting device
    Patent number: 4481629
    Abstract: An abnormal signal detecting device, comprising a signal sampling and conversion circuit for sampling a predetermined number of data points along an analog signal and generating digital sampled data signals representative thereof; a memory circuit, connected to the signal sampling and conversion circuit, for storing the digital sampled data; and a consistency detecting circuit, connected to the memory circuit, for comparing at least three consecutive digital sampled data signals and generating an output representing an abnormal condition whenever at least three consecutive digital sampled data signals are the same.
    Type: Grant
    Filed: November 17, 1983
    Date of Patent: November 6, 1984
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Minoru Hatata, Tadahiro Gouda