Patent ID: 7175601

Claim:
Portable equipment including in combination a measuring device for measuring the heart rate and a sound reproduction unit including means for supplying a signal representative of the sound reproduction and for supplying sound information to a sound transducer, wherein said measuring device and said sound transducer are mounted at least in part in an assembly adapted to be fixed to an ear of a wearer of the equipment, said sound reproduction unit includes substitution/superimposition means for optionally substituting for and/or superimposing on said signal representative of said sound reproduction a signal generated from signals from said measuring device and representative of said heart rate, said assembly takes the form of an ear cushion including a casing accommodating said sound transducer and adapted to be placed in front of the external auditory meatus opening of a wearer and a horn attached to said casing and adapted to be placed behind the external ear of a wearer and said measuring device is accommodated at least in part in said casing and at least in part in said horn, and said assembly further includes an accelerometric device delivering motion signals representative of the motion of a wearer when the assembly is fixed to an ear of said wearer and said measuring device including signal processing means using said motion signals for removing at least partially artifacts due to motion in said signal representative of said heart rate.