ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,537,933, issued on Jan. 27.
"Potable multifunctional detection instrument" was invented by Zhihui Cao (Xiaogan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A portable multifunctional detection instrument is provided. The portable multifunctional detection instrument includes a housing. The housing is provided with a handheld part. A control circuit board is disposed in the housing. An infrared detector and a red light generator are disposed on the housing. Both the infrared detector and the red light generator are electrically connected to the control circuit board. The infrared detector is configured to detect red light emitted by a camera. Th...