Impact detection device and percussion instrument
AssigneeYamaha Corporation
InventorsKeizo Harada, Kazuo Masaki, Emi Tanabe
Life of this patent
Estimating the term…
Abstract
An impact detection device includes: a body configured to be struck; a vibration sensor that detects vibration of the body; a support base that supports the vibration sensor; a first elastic body sandwiched between the vibration sensor and the body; and a second elastic body sandwiched between the vibration sensor and the support base. A dimension of each of the first elastic body and the second elastic body is smaller than a dimension of the vibration sensor when viewed from an arrangement direction in which the first elastic body, the vibration sensor, and the second elastic body are arranged.
Claims12
An impact detection device comprising:
- an elastic sheet portion configured to be struck;
- a support plate portion in contact with one side of the elastic sheet portion;
- a vibration sensor that detects vibration of the support plate portion;
- a support base fixed to the support plate portion and that supports the vibration sensor, and configured to transmit the vibration of the support plate portion;
- a first elastic body sandwiched between the vibration sensor and the support plate portion, and configured to transmit the vibration of the support plate portion to the vibration sensor;
- and
- a second elastic body sandwiched between the vibration sensor and the support base, and configured to transmit the vibration of the support plate portion transmitted from the support base to the vibration sensor,
- wherein a dimension of each of the first elastic body and the second elastic body is smaller than a dimension of the vibration sensor as viewed from an arrangement direction in which the first elastic body, the vibration sensor, and the second elastic body are arranged,
- wherein the support base is provided with a cantilever beam configuration where only one end portion of the support base in a longitudinal direction thereof is fixed to the support plate portion, and
- wherein the vibration sensor is arranged at a distal end portion of the support base that is spaced from the one end portion of the support base in the longitudinal direction.
A percussion instrument comprising:
- a support member;
- and
- an impact detection device resting on the support member and comprising:
- an elastic sheet portion configured to be struck;
- a support plate portion in contact with one side of the elastic sheet portion;
- a vibration sensor that detects vibration of the support plate portion;
- a support base fixed to the support plate portion and that supports the vibration sensor, and configured to transmit the vibration of the support plate portion;
- a first elastic body sandwiched between the vibration sensor and the support plate portion, and configured to transmit the vibration of the support plate portion to the vibration sensor;
- and
- a second elastic body sandwiched between the vibration sensor and the support base, and configured to transmit the vibration of the support plate portion transmitted from the support base to the vibration sensor,
- wherein a dimension of each of the first elastic body and the second elastic body is smaller than a dimension of the vibration sensor as viewed from an arrangement direction in which the first elastic body, the vibration sensor, and the second elastic body are arranged,
- wherein the support base is provided with a cantilever beam configuration where only one end portion of the support base in a longitudinal direction thereof is fixed to the support plate portion, and
- wherein the vibration sensor is arranged at a distal end portion of the support base that is spaced from the one end portion of the support base in the longitudinal direction.
Dependencies are inferred from the claim text.