In an electrical connector to be connected to a mating connector having a locking portion for locking a connected state between the electrical connector and the mating connector, a conductive shell includes a recessed portion adapted to be engaged with the locking portion in the connected state. The...http://www.google.com/patents/US7438595?utm_source=gb-gplus-sharePatent US7438595 - Small-sized electrical connector easily improved in EMI characteristics