Patents by Inventor James H. Currans

James H. Currans 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: 4351181
    Abstract: In a gas sensor circuit having a semiconductor gas measuring sensor such as a Taguchi, a variable gain transconductance amplifier is interconnected between the gas measuring sensor and a conventional differential amplifier so that the circuit's output voltage appears as a linear function of the gas concentration being measured.
    Type: Grant
    Filed: October 17, 1980
    Date of Patent: September 28, 1982
    Inventor: James H. Currans