US Patent Issued to VEGA GRIESHABER on March 17 for "Device and method for exchanging a public key in the course of a firmware update for level sensors" (German, French Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,949, issued on March 17, was assigned to VEGA GRIESHABER KG (Wolfach, Germany).

"Device and method for exchanging a public key in the course of a firmware update for level sensors" was invented by Christian Marx (Altensteig, Germany), Andre Wendling (Melsheim, France) and Martin Gaiser (Alpirsbach, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for exchanging a public key in the course of a firmware update in a level sensor, the device including signing circuitry that generates a manifest comprising a public key and to sign the public key stored in the manifest, and updating circuitry that replaces a pre-installed public key of a p...