Primax Electronics Ltd.

Chen-Wei Chan

Sheng-An Tsai

Shu-An Huang

Li-Kuei Cheng

Shao-Ju Yen

Tsung-Wen Hsueh

Chou-Liang Liu

Kai-Wen Lee

Tsun-Han Wu

A mechanical keyboard is provided, which includes a plurality of mechanical keys, a circuit board, a plurality of first magnetic elements, a lower casing and a plurality of second magnetic elements. The mechanical keyboard has a key region and an edge region surrounding the key region. The mechanical keys are located in the key region. The circuit board is disposed beneath the mechanical keys. The first magnetic elements are disposed beneath the circuit board and distributed in the key region. The lower casing is disposed beneath the mechanical keys, the circuit board and the first magnetic elements. The second magnetic elements are disposed over the lower casing, in which the second magnetic elements respectively correspond to the first magnetic elements and respectively repel the first magnetic elements.

Mechanical keyboard

A keyboard device includes a membrane circuit board and a support plate. The membrane circuit board has a plurality of key regions and a peripheral region surrounding the key regions. The membrane circuit board includes: a lower membrane layer; an upper membrane layer disposed over the lower membrane layer; and a sensing circuit pattern disposed over the upper membrane layer and in the peripheral region, in which the sensing circuit pattern includes a surrounding wire and at least one connecting wire, and the surrounding wire surrounds the key regions, and the at least one connecting wire is connected between two adjacent portions of the surrounding wire. The support plate is disposed beneath the membrane circuit board.

Keyboard device

Growing community of inventors

Taipei, Taiwan

Chen-Wei Chan