Employing optical signals for power and/or communication
First Claim
Patent Images
1. A sensing device, comprising:
- one or more sensors configured to sense one or more biological features;
an optical communication device, wherein the optical communication device is configured to modulate light to communicate data to a reader device; and
a photodetector, wherein the photodetector is configured to harvest light emitted from the reader device and to generate power from the harvested light, and wherein the photodetector is configured to detect a modulated optical signal from the reader device to receive data from the reader device.
2 Assignments
0 Petitions
Accused Products
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.
170 Citations
20 Claims
-
1. A sensing device, comprising:
-
one or more sensors configured to sense one or more biological features; an optical communication device, wherein the optical communication device is configured to modulate light to communicate data to a reader device; and a photodetector, wherein the photodetector is configured to harvest light emitted from the reader device and to generate power from the harvested light, and wherein the photodetector is configured to detect a modulated optical signal from the reader device to receive data from the reader device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. 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; a communication component configured to output information indicative of a sensed feature to the reader device; and one or more light sensors, wherein the one or light sensors are configured to (i) harvest light emitted from the reader device, (ii) power at least the communication component using the harvested light, and (iii) detect a modulated optical signal from the reader device to receive data from the reader device. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
-
Specification