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    Detection device for detecting operation position
    2.
    发明授权
    Detection device for detecting operation position 有权

    公开(公告)号：US10468005B2

    公开(公告)日：2019-11-05

    申请号：US16031497

    申请日：2018-07-10

    Applicant: CASIO COMPUTER CO., LTD.

    Inventor： Chihiro Toyama ,  Kazutaka Kasuga ,  Ryutaro Hayashi

    IPC: G10H1/44 ,  G10H1/00 ,  G10H1/055 ,  G10H1/46

    Abstract: A detection device including n number of sensors arrayed in a direction, in which n is an integer of 3 or more and from which (n−1) pairs of adjacent sensors are formed, and a processor which determines one specified position in the direction based on output values of the n number of sensors, in which the processor calculates (n−1) sets of difference values each of which is a difference between two output values corresponding to each of the (n−1) pairs of sensors, and determines the one specified position based on the (n−1) sets of difference values and correlation positions corresponding to the (n−1) sets of difference values and indicating positions correlated with array positions of each pair of sensors.

    Electronic wind instrument capable of performing a tonguing process
    4.
    发明授权
    Electronic wind instrument capable of performing a tonguing process 有权

    公开(公告)号：US10297239B2

    公开(公告)日：2019-05-21

    申请号：US15987711

    申请日：2018-05-23

    Applicant: CASIO COMPUTER CO., LTD.

    Inventor： Kazutaka Kasuga ,  Hideo Hamanaka ,  Eiichi Harada ,  Chihiro Toyama

    IPC: G10H1/06 ,  G10H1/14 ,  G10H1/055 ,  G10H1/00

    Abstract: An electronic wind instrument is provided with a processor (CPU 5) and plural touch sensors (a detecting unit 12s and detecting units 13s) disposed along a first direction. A first output variable da/dt is obtained, representing a variation per unit time of an output value from a first sensor (detecting unit 12s) in the plural touch sensors disposed on the side close to first end (tip side) in the first direction. A second output variable dS/dt is obtained, representing a variation per unit time of a sum of output values from second sensors (detecting units 13s) disposed between a second end (heel side) and the first sensor in the first direction. The processor judges based on the first output variable da/dt and the second output variable dS/dt whether a tonging process should be performed.

    Musical sound generating device, control method for same, storage medium, and electronic musical instrument
    5.
    发明授权
    Musical sound generating device, control method for same, storage medium, and electronic musical instrument 有权

    公开(公告)号：US10170094B2

    公开(公告)日：2019-01-01

    申请号：US15697094

    申请日：2017-09-06

    Applicant: CASIO COMPUTER CO., LTD.

    Inventor： Kazutaka Kasuga

    IPC: G10H5/00 ,  G10H1/043 ,  G10H1/06

    Abstract: An electronic musical instrument uses a mouthpiece model that models a mouthpiece as a three-dimensional shape having one end at which the mouthpiece is to be held in a mouth of a performer being smaller than another end. A processor in the instrument calculates a reflection coefficient of a progressive wave and a regressive wave using the mouthpiece model by calculating a wave impedance for the progressive wave and calculating a wave impedance for the regressive wave, and generates a musical sound signal on the basis of the calculated reflection coefficient, which is then outputted to a sound generator for sound production.

    Musical sound signal generation device, musical sound signal generation method, and non-transitory computer-readable recording medium
    6.
    发明授权
    Musical sound signal generation device, musical sound signal generation method, and non-transitory computer-readable recording medium 有权

    公开(公告)号：US12175956B2

    公开(公告)日：2024-12-24

    申请号：US17944970

    申请日：2022-09-14

    Applicant: CASIO COMPUTER CO., LTD.

    Inventor： Kazutaka Kasuga

    IPC: G10H1/057

    Abstract: A musical sound signal generation device continuously connects any one of a connected zeroth delay unit and a connected second delay unit to a fractional delay block and connects at least any one of a new zeroth delay unit and a new second delay unit to at least any one of the fractional delay block other than the fractional delay block connected to a new first delay unit in response to setting any one of the connected zeroth delay unit and the connected second delay unit as the new first delay unit, setting a delay unit in a preceding stage of the new first delay unit as the new zeroth delay unit, and setting a delay unit in a subsequent stage of the new first delay unit as the new second delay unit in accordance with a change in a designated tone pitch.

    Playing apparatus, method, and program recording medium
    9.
    发明授权
    Playing apparatus, method, and program recording medium 有权
    播放装置，方法和程序记录介质

    公开(公告)号：US09018508B2

    公开(公告)日：2015-04-28

    申请号：US13854686

    申请日：2013-04-01

    Applicant: Casio Computer Co., Ltd.

    Inventor： Keiichi Sakurai ,  Ryutaro Hayashi ,  Yuji Tabata ,  Kazutaka Kasuga

    IPC: G10H3/00 ,  G10H5/00 ,  G10H7/00 ,  G10H1/00 ,  G01B21/16 ,  G01B7/14 ,  G10H1/42

    CPC classification number: G10H5/00 ,  G01B7/14 ,  G01B21/16 ,  G10H1/0008 ,  G10H1/42 ,  G10H2220/185 ,  G10H2220/201 ,  G10H2220/391 ,  G10H2220/395 ,  G10H2220/401

    Abstract: A sensor obtains an angular rate of a stick member. A sound source map includes plural areas disposed in a virtual space. CPU presumes a direction of a turning axis of the stick member based on the angular rate obtained by the sensor, while a user is operating the stick member, calculates an angular rate of a top of the stick member based on the angular rate obtained by the sensor with the angular rate in the longitudinal direction of the stick member removed, calculates a position of the holding member in the virtual space after a predetermined time, based on the recent direction of the turning axis of the stick member and recent angular rate of the top of the stick member, and sends a sound generating unit a note-on event of a musical tone assigned to an area corresponding to the calculated position among the plural areas.

    Abstract translation: 传感器获得棒状构件的角速度。 声源图包括设置在虚拟空间中的多个区域。 CPU基于由传感器获得的角速度来确定棒状部件的转动轴线的方向，而在使用者操作棒状部件的同时，基于由杆部件获得的角速度来计算棒状部件的顶部的角速度 传感器，除去棒状部件的纵向方向的角速度，基于棒状部件的转动轴的最近方向和最近的角速度，计算保持部件在预定时间之后的虚拟空间中的位置 并且向声音产生单元发送分配给与多个区域中的计算位置相对应的区域的音调的音符事件。

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