Patent ID: 8477100

Claim:
A keyboard module, suitable for being applied to an electronic apparatus, the keyboard module comprising: a supporting structure, having a carrying surface; a membrane circuit sheet, disposed on the carrying surface of the supporting structure, the membrane circuit sheet having a plurality of triggers; and a vibrator, connected to the supporting structure; a decorative sheet, disposed on the membrane circuit sheet, the decorative sheet having a decorative surface; and a first elastic layer, disposed between the decorative sheet and the membrane circuit sheet, wherein the first elastic layer has a plurality of protrusions and a plurality of spacers, the protrusions are respectively corresponding to the triggers, one of the spacers is disposed between adjacent two of the protrusions, the first elastic layer has a plurality of vibration conductors, the vibration conductors pass through the membrane circuit sheet and are extended to the supporting structure, and one of the vibration conductors is disposed between adjacent four protrusions.