Patent ID: 8376638

Claim:
A keyboard, comprising: a main body disposed with a plurality of keys; a rotation detecting module used for detecting a rotation of the main body, generating corresponding control signal according to the rotation of the main body, and sending the control signal to a game apparatus, wherein the control signal is used for controlling the game apparatus to play games; and a swivel hinge rotatably connected to the main body, the swivel hinge comprising: an extending arm being rotatable with respect to the main body; and a supporting member pivotally engaging with the extending arm for supporting the main body; wherein the main body defines a receiving slot for receiving the swivel hinge, the receiving slot comprises a first recess and a second recess communicating with each other, the supporting member comprises an extending member for being rotatably connected to the extending arm and a supporting brace for supporting the main body, the extending arm and the extending member are capable of being received in the first recess, and the supporting brace is received in the second recess when the extending arm and the extending member are received in the first recess.