Patent ID: 9391701
Filing Date: 2016-07-12
CPC Classification: G06K,G06T,H04B,H04L

Claim Text:
1. A method for negotiating a parameter of an optical communication protocol to be used between first and second devices, wherein the method comprises the following steps: said first device generates and displays a first calibration image comprising a series of pixel patterns each of said pixel patterns having a predetermined position relative to the other pixel patterns and a size different from the size of the other pixel patterns of the series, said second device takes a first calibration picture of the first calibration image, analyses the first calibration picture, identifies a set comprising at least one detectable pixel pattern which is properly recognizable by the second device and selects a setting data based on said set, said second device generates and displays a second calibration image comprising the setting data, said first device takes a second calibration picture of the second calibration image, interprets the second calibration picture, gets the setting data, selects a value based on the setting data and updates the parameter with the value.