Patent ID: 7365740

Claim:
A scroll wheel device with a thin film type command switch comprising: a supporting seat provided with two frame portions and a rotating space formed between the two frame portions; a wheel deposed in the rotating space, pivoted on the two frame portions by means of axles, and provided with a pressing portion corresponding to a rotating trajectory of the wheel; a thin film type command switch disposed and corresponding to the rotating trajectory of the wheel, and comprising a signal portion and a wiring portion extended from the signal portion, wherein the signal portion is pressed by the pressing portion for generating a command signal, and both the signal portion and the wiring portion have a circuit arrangement which is corresponding to the command signal of the wheel; the thin film type command switch is a flexible circuit board, and the signal portion comprises an upper circuit board and a lower circuit board provided with the circuit arrangement; and the signal portion further comprises a separating sheet disposed between the upper circuit board and the lower circuit board and having a plurality of pressing holes which are corresponding to the circuit arrangement.