Key structure
AssigneesHongfujin Precision Electrons (Yantai) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
InventorChih-Wei Chang
Life of this patent
Estimating the term…
Abstract
A key structure includes an upper cover, a movable element, an elastic element, a pressure sensing module, a base, and a circuit board. The pressure sensing module is arranged on the base, and the pressure sensing module is electrically connected with the circuit board. The pressure sensing module includes a pressure sensing element and a conducting element, and the pressure sensing element is configured for contacting with the movable element after being pressed, monitoring a pressure on the movable element, and converting the pressure into a pressure signal; the conducting element is configured for conducting the pressure signal to the circuit board.
Claims9
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.
A key structure comprising:
- an upper cover defining an opening, the opening passing through the upper cover;
- a base, the base and the upper cover cooperatively forming an accommodation space;
- an elastic element being accommodated in the accommodation space, the elastic element comprising an element body, a first slot and a second slot arranged on the element body, and a third elastic piece arranged in the first slot;
- a first terminal comprising a first terminal body, and a first protruding part and a second protruding part arranged on the first terminal body, the first protruding part engaged with the third elastic piece, the second protruding part engaged with the second slot;
- a movable element comprising a movable block and two resisting blocks extending from the movable block, wherein the two resisting blocks and a bottom surface of the movable block cooperatively form a groove, the groove is engaged with the element body located at the first slot and the second slot, the movable block is configured to press against the elastic element to drive the elastic element to move when the movable element is pressed;
- 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 configured to be in contact with the resisting block of 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 for conducting the pressure signal to the circuit board.
Dependencies are inferred from the claim text.