Multi-keyboard input system, input equipment, switching device and control method
A technology for switching devices and input devices, which is applied in the field of switching devices, equipment, and multi-keyboard input systems. It can solve problems such as maintenance difficulties, lost keys, code errors, and high costs, and achieve good reliability, convenient maintenance, and easy installation. Effect
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[0077] like figure 1 As shown, in the multi-keyboard input system of the present invention, it mainly includes two parts, i.e. a host computer and a multi-keyboard input device. In a preferred embodiment, the multi-keyboard input device includes a keyboard assembly, a multi-keyboard input switching device and host PS / 2 interface; the innovation point of the present invention is that the keyboard assembly includes at least one PS / 2 keyboard and at least one matrix keyboard, thereby realizing that the industrial computer has multiple keyboards, and each keyboard is connected to the multi-keyboard input converter. connected device, and then the multi-keyboard input transfer device is connected to the host through the PS / 2 interface of the host.
[0078] In a preferred embodiment, the multi-keyboard input conversion device includes a keyboard interface, a host PS / 2 interface, a programmable logic device, and a microcontroller; the keyboard interface has two types of port component...
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