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US 10,535,328 B2Granted
Automatic playing system
AssigneeSunland Information Technology Co., Ltd.
InventorsXiaolu Liu, Zhengchun Li
Life of this patent
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Abstract
An automatic playing system may include a damper module for changing a sound generated by the automatic playing system. The damper module may include a damper board, a motion driver, and a supporter. The damper board may be configured to control at least one damper of the automatic playing system. The motion driver may be configured to drive the damper board and operated to perform at least one automatic playing function. The supporter may be configured to couple the damper board with the motion driver when the motion driver is operated.
Claims18
An automatic playing system comprising:
- a damper module for changing a sound generated by the automatic playing system, the damper module comprising:
- a damper board configured to control at least one damper of the automatic playing system;
- a motion driver configured to drive the damper board, wherein:
- the motion driver comprises a solenoid and an iron core,
- from top to bottom, the iron core includes:
- a first portion, a second portion, and a third portion, and
- a diameter of the second portion is larger than at least one of a diameter of the first portion or a diameter of the third portion;
- and
- a supporter configured to couple the damper board with the motion driver when the motion driver is operated, wherein the motion driver is operated to perform at least one automatic playing function.
6 more elements
Dependencies are inferred from the claim text.