Invention Grant
- Patent Title: Keypad with optical sensors
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Application No.: US14794943Application Date: 2015-07-09
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Publication No.: US09614523B2Publication Date: 2017-04-04
- Inventor: Hsin Chin Lee , Antanas Matthew Broga , Amit Pal Singh
- Applicant: BLACKBERRY LIMITED
- Applicant Address: CA Waterloo, Ontario
- Assignee: BLACKBERRY LIMITED
- Current Assignee: BLACKBERRY LIMITED
- Current Assignee Address: CA Waterloo, Ontario
- Agency: Perry + Currier, Inc.
- Main IPC: G06F3/042
- IPC: G06F3/042 ; H03K17/96 ; G06F3/01 ; G06F3/02 ; H03K17/94 ; H03K17/969 ; H03K17/98

Abstract:
A keypad with optical sensors is provided. The keypad comprises keycaps, each keycap having a top surface. One or more optical sensors are located beneath top surfaces of adjacent keycaps. One or more light guides extend from a respective optical sensor towards the top surfaces.
Public/Granted literature
- US20150324007A1 KEYPAD WITH OPTICAL SENSORS Public/Granted day:2015-11-12
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