Management of histogram memory for a single-photon avalanche diode detector

Utility Patent Grant (B2)

February 23, 2021

Source: USPTO via Sqoop

Assignees: Apple Inc.

Inventors: Shingo Mandai, Cristiano L. Niclass

A single-photon avalanche diode (SPAD) detector includes a pixel array comprising multiple pixels and a memory operably connected to the pixel array. Each pixel includes a SPAD. Various techniques for accumulating signals received from the same SPAD over multiple scans and storing the accumulated signals in the memory are disclosed.