ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,937, issued on April 22, was assigned to OmniVision Technologies Inc. (Santa Clara, Calif.).
"Image sensor including peak hold circuit" was invented by Yoshiyuki Matsunaga (Kyoto, Japan), Keiji Mabuchi (Cupertino, Calif.) and Lindsay Grant (Campbell, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pixel circuit includes: a photodiode configured to operate in a photovoltaic mode and to accumulate charges corresponding to an incident light amount; a reset transistor configured to reset the accumulated charges of the photodiode; and a peak hold circuit configured to hold an output corresponding to the accumulated charges of the photodiode, the p...