Invention Grant
- Patent Title: Keypad with water and dust protection
- Patent Title (中): 键盘带防尘防尘
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Application No.: US13241452Application Date: 2011-09-23
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Publication No.: US08743535B2Publication Date: 2014-06-03
- Inventor: Dietmar Frank Wennemer , Chao Chen , Timothy Herbert Kyowski
- Applicant: Dietmar Frank Wennemer , Chao Chen , Timothy Herbert Kyowski
- Applicant Address: CA Waterloo, ON
- Assignee: Blackberry Limited
- Current Assignee: Blackberry Limited
- Current Assignee Address: CA Waterloo, ON
- Agency: Bennett Jones LLP
- Main IPC: G06F1/16
- IPC: G06F1/16

Abstract:
A keypad suitable for use with a mobile communication or a handheld device. The keypad includes an actuator component formed from multiple materials and comprises a plurality of actuators, a sealing bead and/or a light guide. The sealing bead is formed from a flexible or compressible material such as silicone rubber. When the keypad is installed the sealing bead is compressed against the mounting surface in the device and provides a seal for the keypad against environmental agents such as moisture, dust and/or electrostatic discharges.
Public/Granted literature
- US20120013488A1 KEYPAD WITH WATER AND DUST PROTECTION Public/Granted day:2012-01-19
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