Invention Grant
- Patent Title: Keypad
- Patent Title (中): 键盘
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Application No.: US12595590Application Date: 2007-04-12
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Publication No.: US08487751B2Publication Date: 2013-07-16
- Inventor: Pauli Laitinen , Mika Kauhanen
- Applicant: Pauli Laitinen , Mika Kauhanen
- Applicant Address: FI Espoo
- Assignee: Nokia Corporation
- Current Assignee: Nokia Corporation
- Current Assignee Address: FI Espoo
- Agency: Harrington & Smith
- International Application: PCT/EP2007/003247 WO 20070412
- International Announcement: WO2008/125130 WO 20081023
- Main IPC: H04B3/36
- IPC: H04B3/36
Abstract:
A thin keypad including a top surface layer, a light guide layer, a capacitive sensing layer and a piezo layer provides for touch input, pressure input and haptic feedback.
Public/Granted literature
- US20100052880A1 KEYPAD Public/Granted day:2010-03-04
Information query
