Patent ID: 11860513
Assignee: TDK TAIWAN CORP.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A driving mechanism, comprising:
a fixed portion;
a movable portion movable relative to the fixed portion;
a driving assembly used for driving the movable portion to move relative to the fixed portion, wherein the driving assembly drives the movable portion by a control signal provided by a control assembly, and the driving assembly comprises shape memory alloy; and
a position sensing assembly for detecting a movement of the movable portion relative to the fixed portion, and the control assembly receives a position signal provided by the position sensing assembly;
wherein the movable portion vibrates relative to the fixed portion at a frequency that is lower than a maximum frequency, and the maximum frequency is less than 10000 Hz;
wherein after the control assembly receives an environmental signal provided by an environmental sensing assembly, the control signal is provided to the driving assembly by the control assembly, and the control assembly removes high-frequency signal from the environmental signal after the control assembly receives the environmental signal.