ALEXANDRIA, Va., July 14 -- United States Patent no. 12,681,586, issued on July 14, was assigned to J.J. MacKay Canada Ltd. (New Glasgow, Canada).
"SPI keyboard module for a parking meter and a parking meter having an SPI keyboard module" was invented by George A. MacKay (New Glasgow, Canada), James G. MacKay (Frasers Mountain, Canada), Adrian I. O'Neil (New Glasgow, Canada), Gregory E. Chauvin (Brookside, Canada) and Neil S. Erskine (Halifax, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A serial peripheral interface (SPI) keyboard module for a parking meter comprises a plurality of key switches and at least one controller configured to detect a key press, determine a predetermined indicator associa...