Electronic device, adapter and receptacle

A receptacle, comprising:

• a body having a cavity;
• a plurality of first elastic terminals arranged as a row on a top wall of the cavity;
• and
• a plurality of second elastic terminals arranged as a row on the top wall of the cavity, and the row with the second elastic terminals is not the same as the row with the first elastic terminals.

An electronic device adapted for plugging into a cavity of a receptacle, comprising:

• a card body having a front edge, a first surface, and a second surface opposite to the first surface;
• a plurality of first terminals arranged on the first surface and near the front edge;
• at least one stub disposed on the second surface and near the front edge;
• and
• a plurality of second terminals arranged on the first surface, wherein the first terminals are disposed between the second terminals and the front edge, the receptacle comprises a plurality of third terminals, a plurality of fourth terminals, and at least one orientation spring, the third terminals and the fourth terminals are disposed on a top wall of the cavity, the orientation springs are disposed on a bottom wall of the cavity, the second surface of the card body having at least one locked hole, and when the orientation springs are correspondingly disposed on the locked holes, the first terminals correspondingly contact the third terminals, and the second terminals correspondingly contact the fourth terminals.

An electronic device adapted for plugging into a cavity of a receptacle, comprising:

• a card body having a front edge, a first surface, and a second surface opposite to the first surface;
• a plurality of first terminals arranged on the first surface and near the front edge;
• and
• at least one stub disposed on the second surface and near the front edge, wherein the receptacle comprises a plurality of second terminals and at least one orientation spring, the second terminals are disposed on a top wall of the cavity, the orientation springs are disposed on a bottom wall of the cavity, the second surface of the card body having at least one locked hole, and when the orientation springs are correspondingly disposed on the locked holes, the first terminals correspondingly contact the second terminals.