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:
Sep. 16, 2025
Filed:
Jul. 01, 2022
Apple Inc., Cupertino, CA (US);
Chang Zhang, San Jose, CA (US);
APPLE INC., Cupertino, CA (US);
Abstract
A keycap assembly can include a keycap that includes a chargeable light emissive material. The keycap assembly can include a light sensor configured to sense light emitted by or incident to the chargeable light emissive material. The keycap assembly can further include a microcontroller. In certain implementations, the microcontroller includes a processor and a memory device storing instructions that, when executed by the processor, cause the microcontroller to: receive an electrical signal from the light sensor; and determine a property of the chargeable light emissive material based on the electrical signal, where the property includes at least one of a charge level or an illumination intensity.