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    • 3. 发明授权
    • Apparatus for rapid reference to musical scales
    • 用于快速参考音阶的装置
    • US5173566A
    • 1992-12-22
    • US631057
    • 1990-12-19
    • Tadashi Hiraoka
    • Tadashi Hiraoka
    • G09B15/00G09B15/02G10G1/02G10G1/04
    • G10G1/02G09B15/001G09B15/02
    • Disclosed are various embodiments of a musical reference apparatus for use by musicians to rapidly and easily transpose or modulate music. The invention is preferably formed of two or three disc-shaped members which are rotatable relative to one another about a single axis. These disc-shaped members have musical indicia marked on upper surfaces thereof near their peripheries. The outer of the disc-shaped members has symbols thereon which represent musical tones, as does the inner of the disc-shaped members. An intermediate member which has symbols representing musical indexes can also be provided. Alternatively, the inner member can have two sets of symbols marked thereof, one representing musical tones, and the other representing musical indexes. Any of the various embodiments of the musical reference apparatus can be mounted on a reference card or on a wristwatch type device.
    • 公开了音乐家使用的音乐参考装置的各种实施例,用于快速和容易地转置或调制音乐。 本发明优选由两个或三个可相对于彼此围绕单个轴线旋转的盘状构件形成。 这些盘状构件在其周围的上表面附近具有标记的音符。 盘形构件的外部具有表示乐音的符号,圆盘状构件的内部也是符号。 还可以提供具有表示音乐索引的符号的中间构件。 或者,内部构件可以具有两组标记的符号,一组表示乐音,另一组表示音乐索引。 音乐参考装置的各种实施例中的任何一个可以安装在参考卡或手表型装置上。
    • 4. 发明授权
    • String-plucking type electronic musical instrument with photo sensor for generating signal for sound
    • 弦乐采用电子乐器,带有用于产生声音信号的光电传感器
    • US06444887B1
    • 2002-09-03
    • US09831728
    • 2001-05-15
    • Tadashi HiraokaIsamu Kubota
    • Tadashi HiraokaIsamu Kubota
    • A63J1700
    • G09B15/04
    • An electronic musical instrument of the string-plucking type which does not create a large time lag from when the musical instrument is operated until when the sound is produced, and does not cause a detection mechanism to become complex. A photo sensor (11) for being operated by a player is provided in a main body (10) that is formed in a shape resembling a string-plucking musical instrument. The photo sensor (11) generates a signal for producing sound when the light emitted from a light-emitting unit (11a) to a light-receiving unit (11b) is not detected by the light-receiving unit (11b). A detection signal from the photo sensor (11) needs not be put to the conversion processing, and the time can be shortened from when the musical instrument is operated until when the sound is produced. Since light is used, the constitution of the detection mechanism does not become complex.
    • 一种弦乐器的电子乐器,其不会在乐器被操作直至产生声音时产生较大的时差,并且不会使检测机构变得复杂。 用于由玩家操作的光电传感器(11)设置在形成为弦拉式乐器的形状的主体(10)中。 当从光接收单元(11b)未检测到从发光单元(11a)发射到光接收单元(11b)的光时,光传感器(11)产生用于产生声音的信号。 来自光传感器(11)的检测信号不需要进行转换处理,并且可以缩短从乐器运行直到产生声音的时间。 由于使用光,因此检测机构的结构不复杂。