Audio device including non-contact power feeding mechanism
AssigneeYamaha Corporation
InventorsJun Ishii, Shinya Mizoshiri, Hisashi Nagai
Life of this patent
Estimating the term…
Abstract
An audio device includes a base portion a power supply circuit arranged on the base portion and configured to output electric power; a rotation body rotatably supported by the base portion and configured to, upon rotation of the rotation body, move a playback point of a piece of music; an electric circuit arranged on the rotation body; and a non-contact power feeding mechanism configured to supply in a non-contact manner the electric power output by the power supply circuit to the electric circuit in which the non-contact power feeding mechanism is arranged on a path from the power supply circuit to the electric circuit.
Claims10
An audio device comprising:
- a base portion;
- a power supply circuit arranged on the base portion and configured to output electric power;
- a rotation body rotatably supported by the base portion and configured to, upon rotation of the rotation body, move a playback point of a piece of music;
- an electric circuit arranged on the rotation body;
- and
- a non-contact power feeding mechanism configured to supply in a non-contact manner the electric power output by the power supply circuit to the electric circuit,
- wherein the non-contact power feeding mechanism:
- is arranged on a path from the power supply circuit to the electric circuit;
- and
- includes a transformer that includes a first coil arranged on the base portion and a second coil arranged to be movable with the rotation body.
Dependencies are inferred from the claim text.