A key switch is provided, which includes a base, a cap, a first linkage rod, a second linkage rod, an elastic contraction element, at least one activate member and a thin film circuit unit. The base includes a plurality of first connection portions and a plurality of second connection portions. The first linkage rod is movably connected to the first connection portions and the cap. The second linkage rod is movably connected to the second connection portions and the cap. One end of the elastic contraction element is connected to the first linkage rod, and the other end thereof is connected to the second linkage rod. The activate member is disposed on one of the first linkage rod, the second linkage rod and the cap. The thin film circuit unit includes an activate portion.

An acoustic user interface apparatus and method can detect physical touch contacting a sensing surface and improve the accuracy of direction recognition of a touch or rubbing without any complicated algorithm. The user interface apparatus and method use one microphone to detect and analyze sound waves which are generated by collisions between bumps formed in a top plate or bottom plate of the interface apparatus and the opposing bottom plate or top plate when a user is touching or rubbing the sensing surface.

This disclosure relates to a key module including a base, a first pivotable frame, a second pivotable frame and a keycap. The base includes two assembly frames. Each of the assembly frames includes an engagement portion and two guide portions. The engagement portion is connected to and located between the guide portions. The first pivotable frame is engaged with the engagement portion by being guided by the guide portions of the assembly frames. The second pivotable frame is engaged with the engagement portion by being guided by the guide portions of the assembly frames. The keycap includes a press part, a first engagement part and a second engagement part. The first engagement part and the second engagement part are connected to the press part. The first pivotable frame is engaged with the first engagement part, and the second pivotable frame is engaged with the second engagement part.

A keyswitch support connection structure is a combined structure which includes a structural plate and a joining portion. The joining portion and the structural plate are firmly engaged with each other through a joining structure of the structural plate. The joining structure includes at least one of a protruding portion, a through hole, a side hole, a joining hole, a cantilever plate, and a protruding bridge portion. The joining portion includes at least one hook arm, configured to forma support connection portion. A keyswitch structure includes a base, a keycap above the base, two keyswitch supports connected to and between the base and the keycap, and the keyswitch support connection structure structurally integrated into the base or the keycap. The keycap is vertically movable relative to the base through the two keyswitch supports. One of the two keyswitch supports is connected to the support connection portion.

This disclosure relates to a key module including a base, a first pivotable frame, a second pivotable frame and a keycap. The base includes two assembly frames. Each of the assembly frames includes an engagement portion and two guide portions. The engagement portion is connected to and located between the guide portions. The first pivotable frame is engaged with the engagement portion by being guided by the guide portions of the assembly frames. The second pivotable frame is engaged with the engagement portion by being guided by the guide portions of the assembly frames. The keycap includes a press part, a first engagement part and a second engagement part. The first engagement part and the second engagement part are connected to the press part. The first pivotable frame is engaged with the first engagement part, and the second pivotable frame is engaged with the second engagement part.

A keyswitch structure includes a base plate, a keycap, and two supports connected to the base plate and the keycap. The keycap is movable relative to the base plate through the two supports. The support is pivotally connected to the base plate through a pivotal connection structure that includes a guiding slot and a protruding shaft oppositely disposed on the support and the base plate. The guiding slot has an opening and an indentation portion. The opening is located at an upper end of the guiding slot. The protruding shaft enters the guiding slot from the opening to rotatably fit in the indentation portion, so that the support is pivotally connected to the base plate.

A keyswitch structure includes a base plate, a keycap, and two supports connected to the base plate and the keycap. The keycap is movable relative to the base plate through the two supports. The support is pivotally connected to the base plate through a pivotal connection structure that includes a guiding slot and a protruding shaft oppositely disposed on the support and the base plate. The guiding slot has an opening and an indentation portion. The opening is located at an upper end of the guiding slot. The protruding shaft enters the guiding slot from the opening to rotatably fit in the indentation portion, so that the support is pivotally connected to the base plate.

A keyswitch structure includes a base plate, a keycap, and two supports connected to the base plate and the keycap. The keycap is movable relative to the base plate through the two supports. In an embodiment, the support is pivotally connected to the base plate through a pivotal connection structure that includes a guiding slot and a protruding shaft oppositely disposed on the support and the base plate. The guiding slot has an indentation portion and can guide the protruding shaft to fit in the indentation portion. In another embodiment, the support includes a support body connected to the base plate, and an abutting arm extending from the support body. The base plate structurally constrains the support through a hook and a limitation post thereof. The abutting arm of one support extends under the other support, so that the two supports can move each other through the abutting arms.

A Key switch is provided, which includes a base, a cap, a first linkage rod, a second linkage rod, an elastic contraction element, at least one activate member and a thin film circuit unit. The base includes a plurality of first connection portions and a plurality of second connection portions. The first linkage rod is movably connected to the first connection portions and the cap. The second linkage rod is movably connected to the second connection portions and the cap. One end of the elastic contraction element is connected to the first linkage rod, and the other end thereof is connected to the second linkage rod. The activate member is disposed on one of the first linkage rod, the second linkage rod and the cap. The thin film circuit unit includes an activate portion.

A keyswitch structure includes a base plate, a keycap, and two supports connected to the base plate and the keycap. The keycap is movable relative to the base plate through the two supports. In an embodiment, the support is pivotally connected to the base plate through a pivotal connection structure that includes a guiding slot and a protruding shaft oppositely disposed on the support and the base plate. The guiding slot has an indentation portion and can guide the protruding shaft to fit in the indentation portion. In another embodiment, the support includes a support body connected to the base plate, and an abutting arm extending from the support body. The base plate structurally constrains the support through a hook and a limitation post thereof. The abutting arm of one support extends under the other support, so that the two supports can move each other through the abutting arms.