Heart impact measuring transmitter and heart stroke measuring device

摘要

The aim of the present invention, it is to prevent a package of a battery cover is decomposed by perspiration of a user, and a water for sealing end function of a device over a long period of time to ensure. An upper side, i.e. an upper housing of a transmitter housing of a heart impact measuring transmitter is provided with a part containing a battery, and a battery cover, which can be opened and closed, for sealing an opening of the part containing the battery in a liquid sealing ends state is provided, as well as a battery cover cover, which can be opened and closed, to cover the battery cover. A waterproof elastic element is provided between an inner side of the battery cover cover and the upper side of the transmitter housing, around an outer side of the outer circumference of the battery cover to surround.