US Patent 7871299 Connector, jack socket component, electronic equipment and plug component

A connector of the present invention comprises a jack socket with a plurality of first terminals disposed at a cylindrical inner wall at predetermined intervals in a depth direction, a plug with a plurality of second terminals disposed at an outer wall thereof, constituting a plurality of electrical contacts by individually making contact with each of the first terminals in a state of insertion into the jack socket, and ring-shaped elastic seal members that seal each of the electrical contacts when the plug is inserted in the jack socket.