A heart rate transmitter comprising a strap and a body. The strap is in long
belt
shape, a hole is in the center of the strap, a conducting rubber plate each is
on both ends of the hole, a contacting tip stretches out from the conducting rubber
plate to the inner side of the hole. The body is installed inside the hole of the
strap; two contacting points are on both ends of the body. When the body is inserted
into the hole of the strap, two contacting points are pressed to contact the contacting
tips of the conducting rubber plate inside the hole of the strap; the conducting
rubber plate contacts human body to measure the heartbeat rate.
