Ball keyboard
A keyboard and ball rolling technology, applied in instruments, calculations, electrical digital data processing, etc., can solve problems such as sore fingers, affecting typing speed, and not fully conforming to ergonomics, so as to achieve convenient and comfortable use, improve typing efficiency, and use more Effect
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[0014] exist figure 1 , figure 2 In the shown embodiment, the ball keyboard includes a signal acquisition board 1, and the signal acquisition board 1 is coupled with a signal processor (not shown in the figure); as figure 2 As shown, on the upper surface of the signal acquisition board 1, infrared transceivers 11 are arranged according to the rules of traditional keyboard keys; the infrared transceivers 11 emit upwards and receive reflected infrared signals; as figure 1 As shown, a key groove 3 is correspondingly installed above each infrared transceiver device 11. The inner wall of the key groove 3 is hemispherical, and the hemispherical inner wall is made of rubber material. This layer of rubber material can increase the key position. The friction between the groove 3 and the spherical button 4 can effectively prevent the wrong transmission of the signal caused by the wrong touch of the button; a signal hole that can pass the infrared signal is opened at the bottom of the...
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