Memory Card and Terminal

Abstract

A memory card and a terminal, where the memory card includes a storage device, a controller, and a memory card interface. The storage device and the controller are disposed inside a card body of the memory card. The memory card interface is disposed on the card body of the memory card. The controller is electrically coupled to the storage device and the memory card interface separately. Because a shape of the memory card is the same as that of a nano subscriber identity module (SIM) card, and a size of the memory card is the same as that of the nano SIM card, a nano SD card is provided.

What is claimed is: 
     
         1 . A memory card comprising:
 a memory card interface, a first edge, a second edge, a third edge, and a fourth edge, wherein the memory card interface comprising eight metal contacts, wherein the eight metal contacts are distributed in two rows, and wherein the eight metal contacts comprise:
 a first metal contact configured to transmit a power supply signal; 
 a second metal contact configured to transmit a first data signal; 
 a third metal contact configured to transmit a control signal; 
 a fourth metal contact configured to transmit a clock signal; 
 a fifth metal contact coupled to ground; 
 a sixth metal contact configured to transmit a second data signal; 
 a seventh metal contact configured to transmit a third data signal; and 
   an eighth metal contact configured to transmit a fourth data signal,   wherein one corner of the memory card is a chamfer,   wherein the chamfer is located between the second edge and the fourth edge;   wherein the first edge is parallel to the second edge,   wherein the third edge is parallel to the fourth edge,   wherein a distance between the third edge and the fourth edge is greater than a distance between the first edge and the second edge,   wherein the sixth metal contact, the third metal contact, the fifth metal contact, and the eighth metal contact are distributed in a first row and are distributed along the fourth edge,   wherein the sixth metal contact is adjacent to the chamfer,   wherein the fourth metal contact, the second metal contact, the first metal contact, and the seventh metal contact are distributed in a second row and are distributed along the third edge,   wherein the fourth metal contact and the sixth metal contact are adjacent to the second edge, and   wherein the seventh metal contact and the eighth metal contact are adjacent to the first edge.   
     
     
         2 . The memory card according to  claim 1 , wherein a first dimension of a first card body of the memory card is the same as a second dimension of a second card body of a nano subscriber identity module (SIM) card. 
     
     
         3 . The memory card according to  claim 1 , wherein a third length of the memory card is 12.30 millimeters (mm), and wherein a width of the memory card is 8.80 mm. 
     
     
         4 . The memory card according to  claim 1 , wherein the third metal contact and the fifth metal contact are distributed between the sixth metal contact and the eighth metal contact, and wherein the first metal contact and the second metal contact are distributed between the fourth metal contact and the seventh metal contact. 
     
     
         5 . The memory card according to  claim 1 , wherein a first distance is between the seventh metal contact and the first edge, wherein a second distance is between the fourth metal contact and the second edge, wherein the first distance is less than the second distance, wherein a third distance is between the eighth metal contact and the first edge, wherein a fourth distance is between the sixth metal contact and the second edge, and wherein the third distance is less than the fourth distance. 
     
     
         6 . The memory card according to  claim 1 , wherein a first shape of the seventh metal contact is a first L-shape, and wherein a second shape of the eighth metal contact is a second L-shape. 
     
     
         7 . The memory card according to  claim 1 , further comprising:
 a card body;   a storage device disposed inside the card body; and   a controller disposed inside the memory card and electrically coupled to the storage device and the memory card interface.   
     
     
         8 . The memory card according to  claim 1 , wherein an interface protocol of the memory card comprises secure digital memory (SD), universal serial bus (USB), peripheral component interconnect express (PCIE), universal flash storage (UFS), multimedia card (MMC), or embedded multimedia card (EMMC). 
     
     
         9 . The memory card according to  claim 1 , wherein the eight metal contacts are isolated from each other. 
     
     
         10 . The memory card according to  claim 1 , wherein:
 a region, on a card body of the memory card, in which the first metal contact of the memory card and the seventh metal contact of the memory card are located is corresponding to a region, on a card body of a nano subscriber identity module (SIM) card, in which a power supply contact of the nano SIM card is located; and   a region, on the card body of the memory card, in which the fifth metal contact of the memory card and the eighth metal contact of the memory card are located is corresponding to a region, on the card body of the nano SIM card, in which a ground contact of the nano SIM card is located.   
     
     
         11 . An electronic device, comprising a connector, wherein the connector is for inserting a memory card, wherein the memory card comprising:
 a memory card interface, a first edge, a second edge, a third edge, and a fourth edge, wherein the memory card interface comprising eight metal contacts, wherein the eight metal contacts are distributed in two rows, and wherein the eight metal contacts comprise:
 a first metal contact configured to transmit a power supply signal; 
 a second metal contact configured to transmit a first data signal; 
 a third metal contact configured to transmit a control signal; 
 a fourth metal contact configured to transmit a clock signal; 
 a fifth metal contact coupled to ground; 
 a sixth metal contact configured to transmit a second data signal; 
 a seventh metal contact configured to transmit a third data signal; and 
 an eighth metal contact configured to transmit a fourth data signal, 
   wherein one corner of the memory card is a chamfer,   wherein the chamfer is located between the second edge and the fourth edge;   wherein the first edge is parallel to the second edge,   wherein the third edge is parallel to the fourth edge,   wherein a distance between the third edge and the fourth edge is greater than a distance between the first edge and the second edge,   wherein the sixth metal contact, the third metal contact, the fifth metal contact, and the eighth metal contact are distributed in a first row and are distributed along the fourth edge,   wherein the sixth metal contact is adjacent to the chamfer,   wherein the fourth metal contact, the second metal contact, the first metal contact, and the seventh metal contact are distributed in a second row and are distributed along the third edge,   wherein the fourth metal contact and the sixth metal contact are adjacent to the second edge, and   wherein the seventh metal contact and the eighth metal contact are adjacent to the first edge.   
     
     
         12 . The electronic device of  claim 11 , wherein the connector is further configured to dispose a nano subscriber identity module (SIM) card. 
     
     
         13 . The electronic device of  claim 11 , wherein when the memory card is disposed in the connector, the first metal contact is configured to couple to a first spring of the connector, the fifth metal contact is configured to couple to a second spring of the connector, the seventh metal contact is configured to couple to a third spring of the connector, and the eighth metal contact is configured to couple to a fourth spring of the connector, and wherein when the nano SIM card is disposed in the connector, both the first spring and the third spring are configured to couple to a power supply contact of the nano SIM card, and both the second spring and the fourth spring are configured to couple to a ground contact of the nano SIM card. 
     
     
         14 . The electronic device of  claim 11 , wherein the second metal contact is further configured to couple to a fifth spring of the connector when the memory card is disposed in the connector, wherein a reset contact of the nano SIM card is configured to couple to the fifth spring of the connector when the nano SIM card is disposed in the connector; wherein the third metal contact is further configured to couple to a sixth spring of the connector when the memory card is disposed in the connector, wherein a programming voltage/input signal contact of the nano SIM card is configured to couple to the sixth spring of the connector when the nano SIM card is disposed in the connector; wherein the fourth metal contact is further configured to couple to a seventh spring of the connector when the memory card is disposed in the connector, wherein a clock contact of the nano SIM card is configured to couple to the seventh spring of the connector when the nano SIM card is disposed in the connector; wherein the sixth metal contact is further configured to couple to an eighth spring of the connector when the memory card is disposed in the connector, and wherein a data contact of the nano SIM card is configured to couple to the eighth spring of the connector when the nano SIM card is disposed in the connector. 
     
     
         15 . The electronic device according to  claim 11 , wherein a third length of the memory card is 12.30 millimeters (mm), and wherein a width of the memory card is 8.80 mm. 
     
     
         16 . The electronic device according to  claim 11 , wherein the third metal contact and the fifth metal contact are distributed between the sixth metal contact and the eighth metal contact, and wherein the first metal contact and the second metal contact are distributed between the fourth metal contact and the seventh metal contact. 
     
     
         17 . The electronic device according to  claim 11 , wherein a first shape of the seventh metal contact is a first L-shape, and wherein a second shape of the eighth metal contact is a second L-shape. 
     
     
         18 . The electronic device according to  claim 11 , wherein an interface protocol of the memory card comprises secure digital memory (SD), universal serial bus (USB), peripheral component interconnect express (PCIE), universal flash storage (UFS), multimedia card (MMC), or embedded multimedia card (EMMC). 
     
     
         19 . The electronic device according to  claim 11 , wherein a first dimension of a first card body of the memory card is the same as a second dimension of a second card body of the nano SIM card. 
     
     
         20 . A system, comprising:
 an electronic device and a memory card;   wherein the electronic device comprising a connector, wherein the connector is configured to dispose the memory card;   the memory card comprising:
 a memory card interface, a first edge, a second edge, a third edge, and a fourth edge, wherein the memory card interface comprising eight metal contacts, wherein the eight metal contacts are distributed in two rows, and wherein the eight metal contacts comprise: 
 a first metal contact configured to transmit a power supply signal; 
 a second metal contact configured to transmit a first data signal; 
 a third metal contact configured to transmit a control signal; 
 a fourth metal contact configured to transmit a clock signal; 
 a fifth metal contact coupled to ground; 
 a sixth metal contact configured to transmit a second data signal; 
 a seventh metal contact configured to transmit a third data signal; and 
 an eighth metal contact configured to transmit a fourth data signal, 
   wherein one corner of the memory card is a chamfer,   wherein the chamfer is located between the second edge and the fourth edge;   wherein the first edge is parallel to the second edge,   wherein the third edge is parallel to the fourth edge,   wherein a distance between the third edge and the fourth edge is greater than a distance between the first edge and the second edge,   wherein the sixth metal contact, the third metal contact, the fifth metal contact, and the eighth metal contact are distributed in a first row and are distributed along the fourth edge,   wherein the sixth metal contact is adjacent to the chamfer,   wherein the fourth metal contact, the second metal contact, the first metal contact, and the seventh metal contact are distributed in a second row and are distributed along the third edge,   wherein the fourth metal contact and the sixth metal contact are adjacent to the second edge, and   wherein the seventh metal contact and the eighth metal contact are adjacent to the first edge.