CPC G06F 1/1635 (2013.01) [G06F 1/1626 (2013.01); G06F 1/1637 (2013.01); G06F 1/263 (2013.01); G11C 5/063 (2013.01); H01L 29/786 (2013.01)] | 18 Claims |
1. An electronic device comprising:
a display;
a first antenna;
a second antenna;
a memory; and
a rechargeable battery,
wherein the first antenna is capable of receiving electric power by contactless charge,
wherein the rechargeable battery is capable of storing the electric power received by the first antenna,
wherein the second antenna is capable of receiving data,
wherein the memory comprises a first transistor, a second transistor and a capacitor,
wherein a gate of the second transistor is electrically connected to one of a source and a drain of the first transistor and one terminal of the capacitor,
wherein the first transistor comprises an oxide semiconductor, and
wherein the second transistor comprises silicon.
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