CAPACITIVE SENSING CIRCUITS AND METHODS FOR DETERMINING EYELID POSITION USING THE SAME

The present disclosure relates to sensor systems for electronic ophthalmic devices. In certain embodiments, the sensor systems may comprise a first electrode configured to be selectively overlaid by one or more of an upper eyelid and a lower eyelid of a user, a second electrode configured to be sele...

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Bibliographische Detailangaben
Hauptverfasser:	HOGGARTH, STEVEN PHILIP, BARROWS, COREY KENNETH, BUSH, JOHN MICHAEL, TONER, ADAM
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS BASIC ELECTRONIC CIRCUITRY CONTACT LENSES DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS ELECTRICITY FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE OPTICS ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PHYSICS PROSTHESES PULSE TECHNIQUE SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	The present disclosure relates to sensor systems for electronic ophthalmic devices. In certain embodiments, the sensor systems may comprise a first electrode configured to be selectively overlaid by one or more of an upper eyelid and a lower eyelid of a user, a second electrode configured to be selectively overlaid by one or more of an upper eyelid and a lower eyelid of a user, and a system controller cooperatively associated with the first electrode and the second electrode to receive a capacitance measurement therefrom, the system controller configured to determine a position of one or more of the upper eyelid and the lower eyelid in spatial coordinates based on the capacitance measurement received from the first electrode and the second electrode.