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Consumer Sleep Technology
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Patent US10568505
Issued 2020-02-25
Wearable Device For Eye Movement Detection
A method, apparatus and computer program product are provided for detecting eye movement with a wearable device attachable to an eyelid. The wearable device may include an arrangement of sensors, including any combination of piezoelectric sensors, accelerometers, and/or any other type of sensor. An external device may be provided for processing sensor data. The wearable device and/or external device may analyze the sensor data to generate eyeball movement data, and to differentiate first directional data and second directional data. The first directional data may be considered as movement occurring substantially horizontally and the second directional data may be considered as movement occurring substantially vertically. The wearable device and/or external device may therefore provide data regarding sleep cycles of the user.
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- 1. A method comprising:
receiving sensor data from an arrangement of sensors removably attached to an eyelid, wherein the arrangement of the sensors comprises an inner sensor positioned inwards relative to a user's nose and an outer sensor positioned outward relative to the user's nose and the inner sensor, wherein at least two of the sensors are piezoelectric sensors configured to detect electric potential; and based on the received sensor data, generating eyeball movement data by differentiating between first directional data and second directional data, wherein the first directional data is defined based on an axis associated with the inner sensor and the outer sensor, and the second directional data is defined based on a y-axis substantially orthogonal to the axis associated with the inner sensor and the outer sensor.
- 12. An apparatus removably attachable to an eyelid, the apparatus comprising:
an arrangement of sensors, wherein the arrangement of the sensors comprises an inner sensor positioned inwards relative to a user's nose and an outer sensor positioned outward relative to the user's nose and the inner sensor, wherein at least two of the sensors are piezoelectric sensors configured to detect electric potential; at least one processor, and at least one memory comprising computer program code, wherein the at least one memory and the computer program code are configured to, with the processor, cause the apparatus to at least:
receive sensor data from the arrangement of sensors; and
differentiate between first directional data and second directional data in the sensor data, wherein the first directional data is defined based on an axis associated with the inner sensor and the outer sensor, and the second directional data is defined based on a y-axis substantially orthogonal to the axis associated with the inner sensor and the outer sensor.
- 19. A computer program product comprising at least one non-transitory computer-readable storage medium having computer-executable program code instructions stored therein, the computer-executable program code instructions comprising program code instructions to:
receive sensor data from an arrangement of sensors removably attached to an eyelid, wherein the arrangement of the sensors comprises an inner sensor positioned inwards relative to a user's nose and an outer sensor positioned outward relative to the user's nose and the inner sensor, wherein at least two of the sensors are piezoelectric sensors configured to detect electric potential; and
based on the received sensor data, generate eyeball movement data by differentiating between first directional data and second directional data, wherein the first directional data is defined based on an axis associated with the inner sensor and the outer sensor, and the second directional data is defined based on a y-axis substantially orthogonal to the axis associated with the inner sensor and the outer sensor.
