Patents by Inventor Daniel P. Feldmann

Daniel P. Feldmann 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).

  • Load status monitoring apparatus
    Patent number: 4449058
    Abstract: It has been determined that if the level of the current input to a feedback stabilized driver amplifier circuit is compared with the level of the current output by the amplifier portion of this circuit, the ratio of the two currents is indicative of the condition of a load connected to the circuit. If the load comprises one or more impedances all of the same value, the ratio obtained will determine not only whether or not the load is open or short circuited but how many of the standard value loads are connected in parallel.
    Type: Grant
    Filed: March 14, 1983
    Date of Patent: May 15, 1984
    Assignee: Rockwell International Corporation
    Inventor: Daniel P. Feldmann