The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 19, 2018
Filed:
Dec. 01, 2016
Rapt Ip Limited, Mriehel, MT;
Owen Drumm, Dublin, IE;
Rapt IP Limited, Mriehel, MT;
Abstract
An optical touch-sensitive device includes a planar optical waveguide structure having a planar optical waveguide, and transducers that are able to activate to vibrate a top surface of the planar optical waveguide structure. The device also includes multiple emitters and detectors. The emitters and detectors are arranged along a periphery of the waveguide structure. The emitters produce optical beams that propagate through the waveguide structure via total internal reflection (TIR) to the detectors. Touches on the vibrated top surface of the waveguide structure disturb the optical beams, and the touch-sensitive device determines touch events based on the disturbances.