Patent ID: 8717319

Claim:
An input device for a tablet computer, said input device being operated to input a command or information into said tablet computer via said input device, said input device comprising: a base, wherein a keyboard and a placement region are disposed on a top surface of said base, and said placement region has a hollow portion; and a touch switch member disposed on said base, and comprising: a touch element pivotally coupled to said base, and comprising a touching part, an extension part and a pivotal part, wherein said touching part is exposed to said hollow portion, and said pivotal part comprises a first torsion spring, wherein said touch element further comprises a first compression spring, which is located at a first end of said touch element, wherein when said tablet computer is detached from said placement region, said touch element is returned to said initial position through said first compression spring and wherein said touch element further comprises a second compression spring, which is located at a second end of said touch element, wherein when said tablet computer is detached from said placement region, said touch element is returned to said initial position through said second compression spring; and a power switch, wherein when said tablet computer is placed on said placement region, said touching part is moved from an initial position to a triggered position by said tablet computer, so said power switch is pressed down and turned on by said extension part.