Patent ID: 8624843
Filing Date: 2014-01-07
Classification: G06F

Abstract:
1. A keyboard apparatus integrated with a combined touch input module, comprising: (a) a keyboard controller configured to process input signals and output signals of the keyboard apparatus, and configured to convert a scan code received from a keyboard scan circuit connected with a key array, and configured to transmit the scan code to a communication unit; (b) the communication unit electrically connected to the keyboard controller, the communication unit configured to output touch control signals and scan code to a computer system via a communication port; (c) a touch input module electrically connected to the keyboard controller, the touch input module configured to support a cursor mode and a handwriting mode, and configured to transmit touch control signals to the computer system through the keyboard controller and the through the communication unit, the touch input module further comprising: wherein the touch input module, the communication unit, and the keyboard controller jointly use a power supply, wherein the keyboard apparatus comprises a single communication port to communicate with the computer system, and wherein the touchpad module is layered above the tablet module within the touch input module.