公开(公告)号：US20190020968A1

公开(公告)日：2019-01-17

申请号：US16135644

申请日：2018-09-19

Applicant: YAMAHA CORPORATION

Inventor： Tsukasa SUENAGA ,  Futoshi SHIRAKIHARA

IPC: H04S7/00 ,  H04S1/00

Abstract: An audio processing apparatus has a setting processor that sets a size of a virtual sound source; and a signal processor that generates an audio signal by imparting to an audio signal a plurality of head-related transfer characteristics. The plurality of head-related transfer characteristics corresponds to respective points within a range that accords with the size set by the setting processor from among a plurality of points, with each point having a different position relative to a listening point.

公开(公告)号：US20150194138A1

公开(公告)日：2015-07-09

申请号：US14589241

申请日：2015-01-05

Applicant: YAMAHA CORPORATION

Inventor： Tsukasa SUENAGA ,  Akira MIKI ,  Hirofumi ONITSUKA

IPC: G10C3/12

CPC classification number: G10C3/12 ,  G10H1/32 ,  H04R1/2823 ,  H04R1/2861 ,  H04R1/345 ,  H04R2205/022

Abstract: A keyboard instrument includes: an instrument body; at least one speaker; and at least one acoustic pipe configured to collect a sound emitted from the at least one speaker and guide the sound to at least one sound emitting opening formed in a front face of the instrument body.

Abstract translation: 键盘乐器包括：乐器主体; 至少一个扬声器; 以及至少一个声管，被配置为收集从所述至少一个扬声器发出的声音并将声音引导到形成在所述乐器主体的前表面中的至少一个声音发射开口。

公开(公告)号：US20250157717A1

公开(公告)日：2025-05-15

申请号：US19024181

申请日：2025-01-16

Applicant: YAMAHA CORPORATION

Inventor： Masao NORO ,  Tsukasa SUENAGA ,  Yoshiro MIYAKE

IPC: H01F27/24 ,  H01F27/28

Abstract: An air core coil includes an extended toroidal core and a conductive wire. The extended toroidal core is made of a nonmagnetic material or a weakly magnetic material. The conductive wire is wound around the extended toroidal core.

公开(公告)号：US20240098425A1

公开(公告)日：2024-03-21

申请号：US18521085

申请日：2023-11-28

Applicant: Yamaha Corporation

Inventor： Azumi YOSHIDA ,  Tsukasa SUENAGA ,  Tsunenori SANO

IPC: H04R9/06

CPC classification number: H04R9/06

Abstract: A speaker unit includes a yoke, a magnet, a voice coil and a partitioner. The yoke includes a base portion and a protruding portion protruding from the base portion. The magnet is disposed on the base portion. The top plate is disposed on the magnet. A magnetic gap is formed between the top plate and the protruding portion. The voice coil is disposed in the magnetic gap. The partitioner is disposed in a surrounded-space surrounded by the yoke, the matmet and the top plate. The partitioner is spaced apart from the base portion. The partitioner includes at least one opening.

公开(公告)号：US20160105743A1

公开(公告)日：2016-04-14

申请号：US14880041

申请日：2015-10-09

Applicant: Yamaha Corporation

Inventor： Yu YAMAZAKI ,  Takuya OTSUKA ,  Tsukasa SUENAGA

IPC: H04R1/28 ,  H04R1/02

CPC classification number: H04R1/2888

Abstract: A speaker box structure of an electronic device, includes: a left side speaker box having: a left side wall part; and a first opposed wall part which has a region where a distance in a lateral direction from the left side wall part to the first opposed wall part continuously varies; and a right side speaker box having: a right side wall part; and a second opposed wall part which is opposed to the first opposed wall part in an intermediate part in the lateral direction, and which has a region where a distance in the lateral direction from the right side wall part to the second opposed wall part continuously varies.

Abstract translation: 一种电子设备的扬声器盒结构，包括：左侧扬声器箱，具有：左侧壁部; 以及第一相对的壁部分，其具有从左侧壁部分到第一相对壁部分的横向方向上的距离连续变化的区域; 和右侧扬声器箱，其具有：右侧壁部; 以及第二相对壁部，其在横向方向上与中间部分中的第一相对壁部相对，并且具有从右侧壁部到第二相对壁部的横向方向上的距离连续变化的区域 。