Patent ID: 7544910

Claim:
A vibration sensor built in an object includes the object containing a chamber to accommodate the vibration sensor; the vibration sensor includes a casing, a substrate, an elastic metal piece, and a transmission contact; the casing having one side disposed with an opening and screened by means of a substrate and containing an accommodation space; a separation zone being provided on the substrate to segregate two electrode areas, a vibration contact separated from both electrode areas being disposed on the separation zone, and either electrode area being disposed with the transmission contact; the elastic metal piece contained in the accommodation space of the vibration sensor to engage in displacement to simultaneously contact or not to contact both electrode areas, and causing the vibration contact to be conducted through or disconnected; and the transmission contact being connected to a power source, the substrate, and an electronic device to selectively transmit the power from the power source to the electronic device through the substrate while enabling the electronic device to produce intermittent conduction.