Implementation mode of virtual mobile phone keyboard
A technology of a virtual keyboard and its implementation method, which is applied to the structure of telephone sets, the input/output process of data processing, instruments, etc., and can solve the problems of small keyboard keys and inconvenient user operations
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[0014] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0015] Such as figure 1 As shown, the keyboard area 1 is projected through a laser diode, and the projected keyboard template is projected onto the surface of an adjacent interface. This module can be specifically generated by a projection component laser diode, and the light source of the diode is specially designed for efficient holographic Optics are illuminated to produce a precise QWERTY keyboard display area. It projects an invisible plane a few millimeters above the projection surface; the invisible plane 2 is projected by the low-light module. When the key operation is performed on the projected keyboard area, the low-light projection is disturbed, triggering the corresponding detection device, thus notifying The processor has a corresponding button event; the laser light reflected by the low-light sensing plane touched by the user's finger wil...
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