ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,458, issued on Dec. 30, was assigned to HAMAMATSU PHOTONICS K.K. (Hamamatsu, Japan).

"Observation device and observation method using a low-speed camera as an imaging unit when observing a moving observation object" was invented by Osamu Yasuhiko (Hamamatsu, Japan) and Hidenao Yamada (Hamamatsu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An observation apparatus includes a light source unit, an irradiation optical system, an imaging optical system, a modulation unit, an imaging unit, an analysis unit, beam splitters and, and mirrors. The analysis unit obtains a real part of a function Chi(t)=log[1+Uobj(t)/Uref(t)], defined by time series d...