A solid-state focal-plane imaging system comprises an N.times.N array of high gain, low-noise unit cells, each unit cell being connected to a different one of photovoltaic detector diodes, one for each unit cell, interspersed in the array for ultralow level image detection and a plurality of digital...http://www.google.fr/patents/US5665959?utm_source=gb-gplus-shareBrevet US5665959 - Solid-state image sensor with focal-plane digital photon-counting pixel array
Solid-state image sensor with focal-plane digital photon-counting pixel array
