Invention Grant
- Patent Title: Double pre-loaded deflection webs for keypad
- Patent Title (中): 用于键盘的双预加载偏转腹板
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Application No.: US13969127Application Date: 2013-08-16
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Publication No.: US09323344B2Publication Date: 2016-04-26
- Inventor: Chao Chen
- Applicant: BLACKBERRY LIMITED
- Applicant Address: CA Waterloo, Ontario
- Assignee: BlackBerry Limited
- Current Assignee: BlackBerry Limited
- Current Assignee Address: CA Waterloo, Ontario
- Agency: Conley Rose, P.C.
- Agent J. Robert Brown, Jr.
- Main IPC: G06F3/02
- IPC: G06F3/02 ; H01H13/85 ; H04M1/23 ; G06F1/16 ; H04M1/18

Abstract:
A keypad for an electronic device is provided and includes a substrate, a plurality of frets disposed with the substrate and a plurality of mechanical keys disposed with the substrate and arrayed in rows interleaved among the plurality of frets, at least one of the keys being deflectable toward a position at which a switch of a circuit is affected and a capacitive sensor layer disposed between the frets and the keys and the substrate to register movement of a capacitive element across the frets and the keys.
Public/Granted literature
- US20150049025A1 DOUBLE PRE-LOADED DEFLECTION WEBS FOR KEYPAD Public/Granted day:2015-02-19
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