US Patent No. 10,602,513

WIRELESS COMMUNICATION BETWEEN A CONTACT LENS AND AN ACCESSORY DEVICE


Patent No. 10,602,513
Issue Date March 24, 2020
Title Wireless Communication Between A Contact Lens And An Accessory Device
Inventorship Renaldi Winoto, Los Gatos, CA (US)
Assignee Tectus Corporation, Saratoga, CA (US)

Claim of US Patent No. 10,602,513

1. An accessory device for managing wireless communication with a contact lens, the accessory device comprising:a controller;
a battery coupled to the controller;
a memory coupled to the controller;
an interference determination unit coupled to the controller, the interference determination unit scans a communication environment to determine interference characteristics across a plurality of wireless channels; and
a scheduler coupled to the controller, the scheduler communicates with a Wi-Fi access point and is provided a time window within a wireless channel, the scheduler schedules a communication with the contact lens in the provided time window within the wireless channel, wherein the communication comprises:
scanning a communication environment to determine interference characteristics of a plurality of wireless channels;
communicating with a Wi-Fi access point to coordinate sharing a wireless channel within a Wi-Fi network;
communicating data with a contact lens through a shared wireless channel; and
responsive to failing to share a wireless channel, sending a data packet to the contact lens through a wireless channel that has a least interference, wherein sending the data packet comprises:
waking up from a sleep mode;
choosing a wireless channel that is not being used by a Wi-Fi access point;
sending the data packet to the contact lens through the chosen wireless channel; and
determining whether an acknowledgement signal from the contact lens is received.