US 11,856,310 B2
Delay equalization in event-based vision sensors
Raphael Berner, Confignon (CH)
Assigned to Sony Advanced Visual Sensing AG, Schlieren (CH)
Appl. No. 17/629,488
Filed by Sony Advanced Visual Sensing AG, Schlieren (CH)
PCT Filed Sep. 1, 2020, PCT No. PCT/IB2020/058143
§ 371(c)(1), (2) Date Jan. 24, 2022,
PCT Pub. No. WO2021/044299, PCT Pub. Date Mar. 11, 2021.
Claims priority of provisional application 62/895,709, filed on Sep. 4, 2019.
Prior Publication US 2022/0272296 A1, Aug. 25, 2022
Int. Cl. H04N 25/77 (2023.01); H04N 25/50 (2023.01); H04N 25/75 (2023.01); H04N 25/47 (2023.01)
CPC H04N 25/77 (2023.01) [H04N 25/47 (2023.01); H04N 25/50 (2023.01); H04N 25/75 (2023.01)] 3 Claims
OG exemplary drawing
 
1. An event-based pixel sensor, comprising:
an event-based pixel array for detecting events associated with changes in illumination; and
one or more circuits that equalize the delays between pixels, wherein the one or more circuits include a digital delay circuit.