ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,439,148, issued on Oct. 7, was assigned to OLYMPUS MEDICAL SYSTEMS CORP. (Tokyo).

"Imaging device, endoscope system, camera unit, scope, and imaging method" was invented by Susumu Yamazaki (Tachikawa, Japan) and Takaharu Tani (Hachioji, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An imaging device includes a camera unit and a control unit. A first power source voltage is transferred from the camera unit to the control unit by a power source line and is input to the camera unit as a second power source voltage. The camera unit consumes the second power source voltage as a load current in a voltage-monitoring period. The control unit measures a va...