Invention Grant
- Patent Title: Keypad with integrated touch sensitive apparatus
- Patent Title (中): 带集成触摸感应设备的键盘
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Application No.: US12873552Application Date: 2010-09-01
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Publication No.: US08976117B2Publication Date: 2015-03-10
- Inventor: John Henry Krahenbuhl , Roger Ady , Jiri Slaby
- Applicant: John Henry Krahenbuhl , Roger Ady , Jiri Slaby
- Applicant Address: US CA Mountain View
- Assignee: Google Technology Holdings LLC
- Current Assignee: Google Technology Holdings LLC
- Current Assignee Address: US CA Mountain View
- Agency: Morris & Kamlay LLP
- Main IPC: G06F3/044
- IPC: G06F3/044 ; G06F3/0354 ; G06F1/16

Abstract:
A touch sensitive keypad device (101) for an electronic device (100) includes one or more keys (106,107,108,109,110) situated in a keypad carrier (206). One or more conductive layers (115,116,117,118) span the keys. One or more transverse conductive layers (119,120,121,122,123,124) are integrated with a non-key component, such as the keypad carrier (205). A capacitance sensing circuit (126) detects changes in capacitance between the conductive layers and the transverse conductive layers to detect user input, thereby allowing a user (1990) to use a matrix (1902) of keys as a touch pad.
Public/Granted literature
- US20120050167A1 Keypad with Integrated Touch Sensitive Apparatus Public/Granted day:2012-03-01
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