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公开(公告)号：US10166816B2
公开(公告)日：2019-01-01
申请号：US15761072
申请日：2017-03-06
发明人： Hisanobu Ino , Ikuyo Ohsugi , Noriyuki Nabeshima
摘要： A sound source device of a horn according to one aspect of the present invention includes: a diaphragm; a movable iron core connected to the diaphragm through a support point; and a coil (bobbin and winding) into which a driving signal is inputted. The driving signal includes a first signal component that resonates with the diaphragm and a second signal component of a second frequency that resonates with the movable iron core of a first frequency and has a chord relationship with the first frequency. The support point is provided at a position eccentric from the center of the diaphragm, and the movable iron core is structured such that a gravity center is displaced further in an eccentric direction than the support point.
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公开(公告)号：US20180257559A1
公开(公告)日：2018-09-13
申请号：US15761072
申请日：2017-03-06
发明人： Hisanobu Ino , Ikuyo Ohsugi , Noriyuki Nabeshima
摘要： A sound source device of a horn according to one aspect of the present invention includes: a diaphragm; a movable iron core connected to the diaphragm through a support point; and a coil (bobbin and winding) into which a driving signal is inputted. The driving signal includes a first signal component that resonates with the diaphragm and a second signal component of a second frequency that resonates with the movable iron core of a first frequency and has a chord relationship with the first frequency. The support point is provided at a position eccentric from the center of the diaphragm, and the movable iron core is structured such that a gravity center is displaced further in an eccentric direction than the support point.
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