Patents by Inventor Raymond S. Cozy

Raymond S. Cozy 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).

  • Wide-temperature integrated operational amplifier
    Patent number: 7514998
    Abstract: The present invention relates to a reference current circuit. The reference circuit comprises a low-level current bias circuit, a voltage proportional-to-absolute temperature generator for creating a proportional-to-absolute temperature voltage (VPTAT), and a MOSFET-based constant-IC regulator circuit. The MOSFET-based constant-IC regulator circuit includes a constant-IC input and constant-IC output. The constant-IC input is electrically connected with the VPTAT generator such that the voltage proportional-to-absolute temperature is the input into the constant-IC regulator circuit. Thus the constant-IC output maintains the constant-IC ratio across any temperature range.
    Type: Grant
    Filed: December 7, 2006
    Date of Patent: April 7, 2009
    Assignee: California Institute of Technology
    Inventors: Mohammad Mojarradi, Greg Levanas, Yuan Chen, Raymond S. Cozy, Robert Greenwell, Stephen Terry, Benjamin J. Blalock