Invention Grant
- Patent Title: Keypad for a handheld electronic device with a light guide
- Patent Title (中): 钢琴式键盘，带光导
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Application No.: EP08165757.9Application Date: 2006-07-18
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Publication No.: EP2003669B1Publication Date: 2010-09-29
- Inventor: Chen, Chao
- Applicant: RESEARCH IN MOTION LIMITED
- Applicant Address: 295 Phillip Street Waterloo, Ontario N2L 3W8 CA
- Assignee: RESEARCH IN MOTION LIMITED
- Current Assignee: RESEARCH IN MOTION LIMITED
- Current Assignee Address: 295 Phillip Street Waterloo, Ontario N2L 3W8 CA
- Agency: Hibbert, Juliet Jane Grace
- Main IPC: H01H13/83
- IPC: H01H13/83
Public/Granted literature
- EP2003669A1 Keypad for a handheld electronic device with a light guide Public/Granted day:2008-12-17
Information query
