| 摘要 |
FIELD: information technology.SUBSTANCE: card comprises: a flat rectangular main card housing; an internal circuit of the main card housing; a main housing connector placed on one side of the card, configured to supply power from the main housing device; an external connector placed on the edge of the card, configured to supply power from an external power supply, and a power supply control means for controlling the connection between the internal circuit and the main housing connector or the external connector to power the card, needed for operation of the internal circuit, from the main housing connector or external connector, depending on whether power is supplied to said connector.EFFECT: powering a card from an external or internal power supply connector.3 cl, 11 dwg |
