Patent ID: 6813223
Filing Date: 2004-11-02
Classification: G04G

Abstract:
A portable object, in particular, a timepiece, including means for displaying at least one data item and a case formed of a top portion including a crystal covering the display means and a bottom portion delimited by a back cover located below said display means, this object including a piezoelectric transducer generating an electric voltage when mechanical pressure is exerted on said top portion, the voltage generated by the piezoelectric transducer being applied to a first electronic circuit which will generate a logic signal in response to the pressure exerted, this electronic circuit being arranged inside said case, wherein said piezoelectric transducer is arranged in the bottom portion of said case and is rigidly connected to said case, said portable object further including a second electronic circuit that causes the piezoelectric transducer to operate as a vibration source for an acoustic generator, the first electronic circuit further including means for filtering the acoustic pulses generated by the piezoelectric transducer when the latter operates as a sound generator.