Enjoy your
FREE PREVIEW which shows only 2022 data and 25 documents. Contact
Patent Forecast for full access.
Consumer Sleep Technology
Search All Applications in Consumer Sleep Technology
Application US20190018237
Published 2019-01-17
Electronic Ophthalmic Lens With Eye Closed Sensor With Open Eye Prompt And Data Logging
An eyelid position sensor system for an ophthalmic lens comprising an electronic system is described herein for determining at least one of drowsiness or sleep onset of the wearer. The eyelid position sensor system is part of an electronic system incorporated into the ophthalmic lens. The electronic system in at least one embodiment includes a power source, power management circuitry, one or more sensors, clock generation circuitry, control algorithms and circuitry, and an alert mechanism. The eyelid position sensor system is utilized to determine eyelid position and use this information to determine if the wearer is asleep or awake.
Much More than Average Length Specification
View the Patent Matrix® Diagram to Explore the Claim Relationships
USPTO Full Text Publication >
- 1. A powered ophthalmic lens, the powered ophthalmic lens comprising:
a contact lens; and an eyelid position sensor system incorporated into the contact lens worn on an eye of a wearer, the eyelid position sensor system including a plurality of capacitive touch sensors spaced from each other to detect eyelid position, a system controller configured to sample the plurality of capacitive touch sensors to detect eyelid position and provide an output control signal, and at least one alert mechanism configured to receive the output control signal and configured to provide an alert to the wearer the system controller that the eyelid has been in a position for a period of time indicative of at least one of the onset of sleep and drowsiness.
