Employing optical signals for power and/or communication
AssigneeVerily Life Sciences LLC
InventorsNathan Pletcher, Brian Otis
Life of this patent
Estimating the term…
Abstract
Apparatus, systems and methods employing contact lens sensors are provided. In some aspects, a contact lens includes a substrate that forms at least a portion of the body of the contact lens; an optical communication device disposed on or within the substrate; and a photodetector disposed on or within the substrate, wherein the photodetector harvests light emitted from a device and generates power from the harvested light. In some aspects, an apparatus comprises a tag having a circuit including: an optical communication device; and a photodetector that harvests light received and generates power from the harvested light. The tag can be disposed on or within a contact lens in various aspects.
Claims20
A sensing device, comprising:
- one or more sensors configured to sense one or more biological features;
- a photodetector, wherein the photodetector is configured to harvest light emitted from a reader device and to generate power from the harvested light, and wherein the photodetector is further configured to receive an optical signal from the reader device, wherein the optical signal is modulated with data;
- and
- circuitry configured to demodulate the received optical signal and extract the data.
A system, comprising:
- a reader device having a transmitter configured to emit light;
- and
- a sensing device, comprising:
- one or more sensors configured to sense one or more biological features;
- one or more light sensors, wherein the one or light sensors are configured to (i) harvest light emitted from a reader device, (ii) generate power from the harvested light, and (iii) receive an optical signal from the reader device, wherein the optical signal is modulated with data;
- and
- circuitry configured to demodulate the received optical signal and extract the data.
Dependencies are inferred from the claim text.