Universal emulator human interface device e.g. keyboard, for disabled users, has user interface connected with Universal Serial Bus module and personal computer through Universal Serial Bus, and interface module fixed with control unit

摘要

The device has a Universal Serial Bus (USB)module (1) provided with a logic device. A user interface is connected with the USBmodule and a personal computer (3) through a USBcable (4). An interface module (2) i.e. microcontroller, is fixed with a control unit. Multiple input and output units are connected with the user interface. The USBmodule and the interface module are connected with each other by an electrical wire. The logic device is connected with a hub device.