Keypad with water and dust protection

Details Keypad with water and dust protection Keypad with water and dust protection

2008-03-18

2011-11-01

Lee, Jinhee (Department: 2835)

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

C361S679090, C248S917000, C200S302200

Reexamination Certificate

active

08050019

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.

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http://advanced-input.com/AlDpdfDownloads/Sealing6pgs.pdf; Advanced Input Systems; 2004.
http://www.grayhill.com/CustomKeypads/; Grayhill Inc.; 2005.

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