Invention Grant
- Patent Title: Dual-mode keypad for a mobile device
- Patent Title (中): 用于移动设备的双模式键盘
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Application No.: US11837922Application Date: 2007-08-13
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Publication No.: US08346295B2Publication Date: 2013-01-01
- Inventor: Jason T. Griffin , Mihal Lazaridis , Frank M. Tyneski
- Applicant: Jason T. Griffin , Mihal Lazaridis , Frank M. Tyneski
- Applicant Address: CA Waterloo
- Assignee: Research In Motion Limited
- Current Assignee: Research In Motion Limited
- Current Assignee Address: CA Waterloo
- Agency: Jones Day
- Main IPC: H04M1/00
- IPC: H04M1/00

Abstract:
In accordance with the teachings described herein, systems and methods are provided for implementing a dual-mode keypad for a mobile device. The keypad may operate in a telephony mode and a text-entry mode. The keypad may include a plurality of dual-mode keys that each include an associated telephony character and at least one associated text-entry character. The dual-mode keys may include one or more toggle keys, with each toggle key having a plurality of associated text-entry characters and one associated telephony character. The dual-mode keys may be partially covered by the keypad surface so that a plurality of key surfaces extend from the key and protrude through the keypad surface. In text-entry mode, the dual-mode keys are operable to input text-entry characters. In telephony mode, the dual-mode keys are operable to input telephony characters.
Public/Granted literature
- US20070275753A1 DUAL-MODE KEYPAD FOR A MOBILE DEVICE Public/Granted day:2007-11-29
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