Abstract: According to one embodiment, a memory system includes a nonvolatile memory to store data, a memory controller configured to perform data operations on the nonvolatile member, and a power circuit configured to receive external power and generate internal power to be supplied to the nonvolatile memory and the memory controller. The memory controller is further configured to receive a request signal for disabling supply of the internal power for a first time period and disable the supply of the internal power from the power circuit in response to the request signal after a second time period elapses after reception of the request signal. The second time period is shorter than the first time period. The supply of the internal power from the power circuit resumes after the first time period elapses after the reception of the request signal.

Abstract: Coil surfaces of a first coil (1) and a second coil (3) are parallel in a state of having an interval therebetween. When the first coil (1) rotates, a combined inductance by the first coil (1) and the second coil (3) changes.

Abstract: Ring-shaped moving holes (2a to 2d) are formed on a first supporting member (2), and holes (4a to 4d) are formed on a second supporting member (4). A first coil (1) is rotated along the moving holes (2a to 2d) in a state where supports (5a to 5d) and bolts (6a to 6d) are inserted in the moving holes (2a to 2d) and the holes (4a to 4d). The first coil (1) and a second coil (3) are fixed so that coil surfaces of the first coil (1) and the second coil (3) become parallel by using the supports (5a to 5d), the bolts (6a to 6d), and nuts (7a to 7d).

Abstract: Coil surfaces of a first coil (1) and a second coil (3) are parallel in a state of having an interval therebetween. When the first coil (1) rotates, a combined inductance by the first coil (1) and the second coil (3) changes.