Navigation device including thermal sensor

摘要

A navigation device includes a thermal sensor and a processing unit. The thermal sensor is configured to output temperature readings of a work surface. The processing unit is configured to identify a lift event according to the temperature readings.

主权项

1. A navigation device, configured to be operated on a work surface, the navigation device comprising:
a light guide comprising a light emergent surface; an image sensor facing the light emergent surface and configured to capture reflection images of the work surface according to light emerging from the light emergent surface; a bolometer facing the same light emergent surface of the same light guide as the image sensor and configured to output temperature readings of the work surface according to the light emerging from the light emergent surface; and at least one processing unit configured to perform tracking operation according to the reflection images and identify a lift event according to the temperature readings.