US Patent Issued to Spindrift Innovations on Nov. 18 for "Differential dual sensor contactless magnetic-mode electrical current sensors with tamper detection" (California Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,384, issued on Nov. 18, was assigned to Spindrift Innovations LLC (Redwood City, Calif.).

"Differential dual sensor contactless magnetic-mode electrical current sensors with tamper detection" was invented by Robert D. Zucker (Half Moon Bay, Calif.) and Robert P. Weber (Redwood City, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dual differential contactless current sensor uses a pair of magnetic sensors placed adjacent to a conductor, such as a metallic trace on a printed circuit board, which is conducting electrical current. The ability to detect and measure a tampering magnetic field in such a sensor is provided by a circuit that sums th...