Invention Grant
- Patent Title: Keyboard with reflected light beam finger detection
- Patent Title (中): 键盘用反射光束手指检测
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Application No.: US13183605Application Date: 2011-07-15
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Publication No.: US09024915B1Publication Date: 2015-05-05
- Inventor: James Harrison Bowen
- Applicant: James Harrison Bowen
- Applicant Address: US WI Williams Bay
- Assignee: Chelsea Trent
- Current Assignee: Chelsea Trent
- Current Assignee Address: US WI Williams Bay
- Agency: Whitham Curtis Christofferson & Cook, PC
- Main IPC: G06F3/045
- IPC: G06F3/045 ; G06F3/02 ; G06F3/042
Abstract:
A keyboard operates by having a light beam reflected off a finger. When present, as indicated by the presence of the reflected light beam, the keyboard key location is sent to a PC or other device. The keyboard can be used in bright sunlight and total darkness. The keyboard has a one piece planar top surface with no opening or microbial (bacterial or viral) harbors.
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