Virtual keyboard based on sensor information fusion and keyboard input method
The invention discloses a virtual keyboard system. The virtual keyboard system comprises a PC (Personal Computer) upper computer, a data acquisition board card, a six-axis attitude sensor and a curvature sensor, pC end software is installed in the PC upper computer, and the PC upper computer is used...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a virtual keyboard system. The virtual keyboard system comprises a PC (Personal Computer) upper computer, a data acquisition board card, a six-axis attitude sensor and a curvature sensor, pC end software is installed in the PC upper computer, and the PC upper computer is used for receiving data information returned by the data acquisition board card and processing the data information; the data acquisition board card is used for acquiring data of the two-hand six-axis attitude sensor and the curvature sensor, interleaving the data and then transmitting the data to the PC upper computer; the six-axis attitude sensors are mounted at the tips of fingers of two hands and are used for measuring the bending angle and the movement speed of the fingers; the number of the curvature sensors is two, and the first curvature sensor is installed on the side face, close to a jaw, of an index finger and used for measuring the offset when the index finger knocks the two corresponding rows of keys. The |
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