ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,201, issued on April 29.
"Magnetometer and method for finding a magnitude of an ambient magnetic field or of one or more components thereof" was invented by Michael Stern (Givat Shmuel, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "A magnetometer that finds a magnitude of an ambient magnetic field, comprising: a) a diamond cubic structure crystal, with an ensemble of paramagnetic defects oriented along each of the crystal's four tetrahedral axes; b) a microwave source that produces a microwave field at the crystal, of controllable frequency over a range that includes microwave resonance frequencies of paramagnetic defects oriented along all f...