Back to results
US 2019/0377435 A1Published application
Touch sensitive device with a camera
AssigneeBeechrock Limited
InventorsJulien Piot, Owen Drumm
Life of this patent
Estimating the term…
Abstract
A touch sensitive device includes a touch surface and emitters and detectors. The emitters produce optical beams that propagate across the touch surface and are received by the detectors. Touch events from a touch object disturb the beams propagating toward the detectors. Beam values are recorded by the detectors and used to determine the touch events. The touch sensitive device also includes a camera that captures images of touch objects. The images and variations in the beams are analyzed to continuously track the touch object before, during, and after touch events.
Claims20
A system comprising:
- a touch surface and emitters and detectors, the emitters producing optical beams that propagate across the touch surface and are received by the detectors, wherein touches from a touch object in contact with the touch surface disturb the optical beams;
- a camera positioned to capture images of at least one of:
- the touch object in contact with the touch surface or above the touch surface;
- and
- a controller configured to:
- receive beam data from the detectors for optical beams distributed by the touch object;
- receive the captured images of the touch object from the camera;
- and
- determine information about the touch object based on the beam data and the captured images.
6 more elements
Dependencies are inferred from the claim text.