Patent ID: 8339507

Claim:
A flash device, comprising: a stationary frame; a light emitting portion moveably received in the stationary frame and spaced from the stationary frame; a driving unit comprising a first magnetic assembly and a second magnetic assembly, the first magnetic assembly positioned on the stationary frame, the second magnetic assembly positioned on the light emitting portion and facing the first magnetic assembly, the driving unit configured for driving the light emitting portion to move relative to the stationary frame through magnetical interaction between the first magnetic assembly and the second magnetic assembly; and a resilient plate interconnecting the stationary frame and the light emitting portion, the resilient plate configured for moving the light emitting portion relative to the stationary frame; wherein the stationary frame comprises a supporting plate and a first side plate and a second side plate extending from opposite sides thereof and facing each other; and wherein the first magnetic assembly comprises three electromagnets positioned on the supporting plate, the first side plate and the second side plate respectively.