US Patent Issued to Phoenix Contact Development and Manufacturing on May 13 for "APL field switch with automatic protocol detection" (Pennsylvania, Ohio Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,301,380, issued on May 13, was assigned to Phoenix Contact Development and Manufacturing Inc. (Middletown, Pa.).

"APL field switch with automatic protocol detection" was invented by Lonnel J. Swarr (Manheim, Pa.), David N. Katz (Hummelstown, Pa.), Davis Mathews (Lewisberry, Pa.), Brian John Gillespie (Mount Joy, Pa.), Brenton E. Helfrick (Harrisburg, Pa.), Scott Michael Frye (Palmyra, Pa.) and Jason Alan Norris (Stow, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "Protocol detection circuits for detecting the field device protocol of a field device attached to a channel having a data line are sequentially connected to the data line by a controller ...