Back to results
US 12,613,131 B2Granted
Optical proximity sensor
AssigneeApple Inc.
InventorsBrandon J. Hui, Yaser Shanjani, Mark T. Winkler, Tong Chen, Michael K. McCord, Runyu Liu, Aaron Krahn
Life of this patent
Estimating the term…
Abstract
An optical proximity sensor includes a housing, an optical emitter, and an optical detector. A first light guide disposed in a first chimney of the housing is configured to direct light from the optical emitter through the first chimney towards a target location. A second light guide disposed in a second chimney of the housing is configured to direct a returned portion of the light emitted from the optical emitter through the second chimney towards the optical detector.
Claims18
An optical proximity sensor, comprising:
- a housing defining a first chimney and a second chimney;
- an optical emitter;
- an optical detector;
- a first light guide disposed in the first chimney and positioned above the optical emitter, the first light guide comprising a first dielectric material and configured to direct light emitted from the optical emitter through the first chimney;
- and
- a second light guide disposed in the second chimney and positioned above the optical detector, the second light guide comprising a second dielectric material and configured to direct a returned portion of the light emitted from the optical emitter through the second chimney towards the optical detector, wherein:
- the first light guide comprises a flange that at least partially defines a length that the first light guide extends into the first chimney.
4 more elements
Dependencies are inferred from the claim text.