An input device includes a belt-shaped strap section in which leads are buried,
and connecting members for connecting the strap section in an annular form. The
strap section includes a sheet-shaped membrane having a plurality of input sections,
and belt-shaped clamping members that can hermetically sandwich portions of the
membrane having the input sections. One end of the membrane extends from end portions
of the clamping members to be connected to an external device with one of the connecting
members therebetween.
