Patent ID: 11869729
Assignee: HONGFUJIN PRECISION ELECTRONS (YANTAI) CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A key structure comprising:
a key cap;
a movable element, an end of the movable element being connected to the key cap;
a base defining an accommodating hole, another end of the movable element away from the key cap being accommodated in the accommodating hole;
an elastic element elastically resisting between the movable element and the base;
a pressure sensing module arranged on the base, the pressure sensing module comprising a pressure sensing element and a conducting element, the pressure sensing element being configured to be in contact with the movable element after being pressed by a pressure, monitoring the pressure on the movable element, and converting the pressure into a pressure signal; and
a circuit board electrically connected to the pressure sensing module, and the conducting element being configured to conduct the pressure signal to the circuit board;
wherein the pressure sensing module further comprises a first board, a second board, and a third board, the second and the third boards are arranged on a same side of the first board; the pressure sensing element is arranged on both the second and the third boards; two conducting elements are provided on the first board, one of the two conducting element is arranged near the second board, and another one of the two conducting elements is arranged near the third board.