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    Electronic musical instrument and string deviation sensor arrangement therefore
    1.
    发明公开
    Electronic musical instrument and string deviation sensor arrangement therefore 失效
    电子音乐仪器和弦偏移传感器布置

    公开(公告)号：EP0285163A3

    公开(公告)日：1990-01-17

    申请号：EP88105283.1

    申请日：1988-03-31

    申请人： YAMAHA CORPORATION

    发明人： Takabayashi, Youjiro

    IPC分类号： G10H3/18

    CPC分类号： G10H3/18 ,  G10H2220/181

    摘要： An electronic musical instrument comprising a) body portion (10), b) a plurality of fret members (24) located at predetermined spacings on the body portion, c) a string stretched over the body portion, d) anchoring device (18) installed on the body portion for anchoring one end of the string, e) a probing (68) located under the string and between the anchoring device and the plural fret members for making a lateral movement in a manner interlocked with a deviation of the string in a lateral direction, and f) a string deviation detector (44) connected to the proving for detecting the deviation of the string based on the lateral movement of the probing and producing a detection signal (S DEV ) responsive to the deviation of the spring.

    OPERATING POSITION DETECTOR AND APPARATUS TO WHICH THE SAME IS APPLIED
    2.
    发明公开
    OPERATING POSITION DETECTOR AND APPARATUS TO WHICH THE SAME IS APPLIED 审中-公开
    BETRIEBSPOSITIONSDETEKTOR UNDGERÄDDAMIT

    公开(公告)号：EP2211142A1

    公开(公告)日：2010-07-28

    申请号：EP08849443.0

    申请日：2008-11-05

    申请人： Murata Manufacturing Co. Ltd.

    发明人： MAEDA, Yuki ,  NAKAYA, Kazuyoshi

    IPC分类号： G01B17/00 ,  A63F13/00 ,  G06F3/02 ,  G06F3/033 ,  G06F3/043 ,  G10H1/34

    CPC分类号： G01B17/00 ,  A63F13/06 ,  A63F2300/1006 ,  A63F2300/6072 ,  A63F2300/8064 ,  G06F3/0202 ,  G06F3/043 ,  G10H1/34 ,  G10H2220/181

    摘要： An operation-position detector and an application thereof are configured to include a tube that allows an ultrasonic signal to propagate therethrough and to detect the operation position of an operation of an operator without the use of an electric switch.
    A tube (40) has a plurality of holes (41 a to 41 e) capable of being selectively closed or opened by an operation of an operator at its side and is provided with an ultrasonic transmitter-receiver (50) arranged at a first end thereof. A signal processor (60) drives the ultrasonic transmitter-receiver (50) and causes an ultrasonic signal to propagate through the inside of the tube (40), receives a reflection signal corresponding to a closed or open state of each of the holes (41 a to 41 e), and detects the state of each hole on the basis of the reflection signal, thereby detecting the operation position of an operation conducted by the operator.

    摘要翻译： 操作位置检测器及其应用被配置为包括允许超声波信号传播通过的管，并且在不使用电开关的情况下检测操作者的操作的操作位置。 管（40）具有能够通过操作者在其侧面的操作选择性地关闭或打开的多个孔（41a至41e），并且设置有设置在第一端的超声波发射器 - 接收器（50） 它们。 信号处理器（60）驱动超声波发射器 - 接收器（50）并使超声信号通过管（40）的内部传播，接收对应于每个孔（41）的闭合或打开状态的反射信号 a至41e），并且基于反射信号检测每个孔的状态，从而检测操作者进行的操作的操作位置。

    Electronic stringed instrument
    5.
    发明公开
    Electronic stringed instrument 失效
    电子乐器

    公开(公告)号：EP0227906A3

    公开(公告)日：1989-02-08

    申请号：EP86114768.4

    申请日：1986-10-24

    申请人： YAMAHA CORPORATION

    发明人： Takabayashi, Youjiro ,  Ikuma, Masahiro ,  Norimatsu, Takashi

    IPC分类号： G10H3/18

    CPC分类号： G10H3/18 ,  G10H2220/181 ,  Y10S84/30

    摘要： An electronic stringed instrument includes strings (15₁ to 15₆), a plurality of metal frets (13₁ to 13₆), an ultrasonic transmitter/receiver (16₁ to 16₆) and a fret discriminator (22). The strings are kept taut above an instrument body (11). The frets (13 i ) are arranged below the strings (15 i ) along their extension direction. When a player depresses a given string (15 i ) to be picked, at least one of the metal frets (13 i ) is brought into contact with the given string. The transmitter/receiver (16 i ) is coupled to specified positions of the strings (15 i ) and causes ultrasonic vibrations of the strings and receives an echo vibration generated as a reflection of the ultrasonic vibration at a fret contacting the given string. The fret discriminator (22) discriminates the fret contacting the string among the metal frets (13 i ) according to the time difference between the generation of the ultrasonic vibration and the receipt of the echo vibration by the transmitter/receiver (16 i ).

    Control apparatus for an electronic stringed instrument
    7.
    发明公开
    Control apparatus for an electronic stringed instrument 失效
    电子弦乐器的控制装置

    公开(公告)号：EP0340734A3

    公开(公告)日：1990-05-23

    申请号：EP89107947.7

    申请日：1989-05-02

    申请人： CASIO COMPUTER COMPANY LIMITED

    发明人： Uchiyama, Shigeru c/o Patent Dep. Development Div.

    IPC分类号： G10H1/34 ,  G10H3/18

    CPC分类号： G10H1/342 ,  G10H3/125 ,  G10H2210/066 ,  G10H2220/181 ,  Y10S84/30

    摘要： A plurality of strings are extended along a surface of a body, and an operation by a player with respect to the strings is detected by two detection systems (302, 303, 304). The first detection system (205, 302) is operated when a string vibration is started, and electrically obtains an operated fret position of the string by detecting an ON/OFF operation of a switch arranged below each fret. The second detection system (110, 303, 304) is enabled after the first detection system (205, 302) is enabled, and directly measures a pitch period of the string vibration. The second detec­tion system detects (110, 303, 304) a change in pitch by a choking operation or an arming operation of a tremolo arm with respect to the string after tone generation is started.

    摘要翻译： 多个琴弦沿着主体的表面延伸，并且由两个检测系统（302,303,304）检测演奏者相对于琴弦的操作。 当琴弦振动开始时，第一检测系统（205,302）被操作，并且通过检测布置在每个音柱下面的开关的开/关操作来电动地获得弦的操作音位置。 第二检测系统（110,303,304）在启用第一检测系统（205,302）之后被启用，并且直接测量弦振动的音调周期。 第二检测系统在开始音调生成之后通过音栓操作或颤音臂相对于琴弦的布防操作来检测（110,303,304）音高变化。

    Electronic stringed instrument
    8.
    发明公开
    Electronic stringed instrument 失效
    电子弦乐器。

    公开(公告)号：EP0227906A2

    公开(公告)日：1987-07-08

    申请号：EP86114768.4

    申请日：1986-10-24

    申请人： YAMAHA CORPORATION

    发明人： Takabayashi, Youjiro ,  Ikuma, Masahiro ,  Norimatsu, Takashi

    IPC分类号： G10H3/18

    CPC分类号： G10H3/18 ,  G10H2220/181 ,  Y10S84/30

    摘要： An electronic stringed instrument includes strings (15₁ to 15₆), a plurality of metal frets (13₁ to 13₆), an ultrasonic transmitter/receiver (16₁ to 16₆) and a fret discriminator (22). The strings are kept taut above an instrument body (11). The frets (13 i ) are arranged below the strings (15 i ) along their extension direction. When a player depresses a given string (15 i ) to be picked, at least one of the metal frets (13 i ) is brought into contact with the given string. The transmitter/receiver (16 i ) is coupled to specified positions of the strings (15 i ) and causes ultrasonic vibrations of the strings and receives an echo vibration generated as a reflection of the ultrasonic vibration at a fret contacting the given string. The fret discriminator (22) discriminates the fret contacting the string among the metal frets (13 i ) according to the time difference between the generation of the ultrasonic vibration and the receipt of the echo vibration by the transmitter/receiver (16 i ).