A socket has a body, an enlarged pin, a detecting pin and multiple contact pins. The enlarged pin and the detecting pin are separately secured in the body. The contact pins are secured in the cavity of the body in a row between the enlarged pin and the detecting pin. The enlarged pin is longer than each...http://www.google.fr/patents/US6364694?utm_source=gb-gplus-shareBrevet US6364694 - Modular communications socket