Invention Grant
- Patent Title: Uniform illumination of keys
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Application No.: US15154723Application Date: 2016-05-13
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Publication No.: US09997304B2Publication Date: 2018-06-12
- Inventor: Craig C. Leong , Bradford J. Zercoe , Dinesh C. Mathew , Mahesh Krishnamurthi , Robert Y. Cao , Jun Qi , Rong Liu , Victor H. Yin
- Applicant: Apple Inc.
- Applicant Address: US CA Cupertino
- Assignee: APPLE INC.
- Current Assignee: APPLE INC.
- Current Assignee Address: US CA Cupertino
- Agency: Brownstein Hyatt Farber Schreck, LLP
- Main IPC: H01H13/02
- IPC: H01H13/02 ; H01H13/83 ; H01H13/14 ; G06F3/02

Abstract:
Systems and methods for providing illumination to illuminable portions of keys associated with a keyboard are described. A key includes a light guide positioned below a keycap. The light guide includes one or more sidewalls that exhibit high internal reflection. In many examples, light guide sidewalls are formed with one or more prisms.
Public/Granted literature
- US20160336124A1 UNIFORM ILLUMINATION OF KEYS Public/Granted day:2016-11-17
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