US Patent Issued to Maplebear on Dec. 23 for "Establishing a communication session using a handshake process with light signals" (Illinois Inventor)

ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,506,540, issued on Dec. 23, was assigned to Maplebear Inc. (San Francisco).

"Establishing a communication session using a handshake process with light signals" was invented by Robert Russel Adams (Chicago).

According to the abstract* released by the U.S. Patent & Trademark Office: "An online concierge system for establishing a communication session between devices using a light signal. A first client device captures video data depicting a light emitter of another client device. The first client device detects a light signal transmitted by the light emitter in the video data. The first client device extracts a handshake identifier from the light signal by decoding the light signal. A ...