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21. 发明授权

US3921491A Bass system for automatic root fifth and pedal sustain 失效
标题翻译：低音系统，用于自动根部第五和踏板维持
公开(公告)号：US3921491A
公开(公告)日：1975-11-25
申请号：US35421173
申请日：1973-04-25
申请人： FREEMAN ALFRED B
发明人： FREEMAN ALFRED B
IPC分类号： G10H1/38 , G10H1/00 , G10H5/02
CPC分类号： G10H1/383 , G10H2210/596 , G10H2210/601 , G10H2210/616 , G10H2210/626 , Y10S84/22 , Y10S84/25
摘要： An improved system is provided for automatically playing bass notes for root and fifth parts of manually held accompaniment chords, including diminished and augmented chords, and for performing pedal sustain keying functions. Latching circuits are provided which respond to actuation of playing keys or pedals and which store the response to the last pedal actuated. The system also includes circuitry for keying bass tones for actuated pedals and for the root and fifth parts of manually played chords. This circuitry includes a set of gates which are each enabled by an associated latching circuit, inhibited by other latching circuits, and inhibited by outputs from other operated gates. The system further includes keying bus sensing and controllable ratio frequency dividers to cover a multiple octave range and to reduce the number of pins required for an integrated circuit pack to implement the system.
摘要翻译：提供了一种改进的系统，用于自动播放根和第五部分手动伴奏和弦的低音音符，包括减小和增强的和弦，以及用于执行踏板维持键控功能。提供了锁定电路，其响应于播放键或踏板的致动，并且将响应存储到启动的最后踏板上。该系统还包括用于键入用于致动踏板的低音音调和用于手动演奏和弦的根和第五部分的电路。该电路包括一组门，其各自由相关联的锁存电路使能，由其他锁存电路禁止，并被来自其他被操作的门的输出禁止。该系统还包括键控总线感测和可控比率分频器以覆盖多个倍频程范围并且减少集成电路板实现系统所需的引脚数量。

22. 发明授权

US3897708A Electrically operated musical instrument 失效
标题翻译：电动乐器
公开(公告)号：US3897708A
公开(公告)日：1975-08-05
申请号：US47268874
申请日：1974-05-23
申请人： SUZUKI YOSHIRO
发明人： SUZUKI YOSHIRO
IPC分类号： G10H1/00 , G10H1/18 , G10H1/34 , H01H21/00 , G10C3/12 , G10H5/02
CPC分类号： G10H1/18 , G10H2230/221 , Y10S84/07 , Y10S84/17
摘要： This invention relates to a musical instrument operated by keys which in turn actuate change-over switches for selecting a predetermined one of a series of sound generators. The switches are provided by a composite structure constituted of aligned panels which carry the switch contact, the movable arms of which are operated by the keys.
摘要翻译：本发明涉及一种由钥匙操作的乐器，该乐器又致动转换开关，用于选择一系列声音发生器中的预定的一个。开关由具有开关触点的对准面板构成的复合结构提供，其可动臂由键操作。

23. 发明授权

US3844379A Electronic musical instrument with key coding in a key address memory 失效
标题翻译：电子音乐仪器在钥匙地址存储器中进行主要编码
公开(公告)号：US3844379A
公开(公告)日：1974-10-29
申请号：US31896272
申请日：1972-12-27
申请人： NIPPON MUSICAL INSTRUMENTS MFG
发明人： TOMISAWA N , UCHIYAMA Y , OKUMURA T , STAUFFER T
IPC分类号： G10H1/057 , G10H1/18 , G10H7/04 , G10H1/02 , G10H5/02
CPC分类号： G10H1/187 , G10H1/0575 , G10H7/04
摘要： In an electronic musical instrument, an actuation of a key switch produces a key address code corresponding to the key switch. This key address code is stored in a key address memory. A tone clock pulse corresponding to the key address code is selected from among a plurality of tone clock pulses. A musical tone wave shape memory stores in analog a wave shape to be reproduced. The musical tone wave shape is read from this wave shape memory at a reading rate corresponding to the tone clock thus selected. Attack and decay of the musical tone wave shape envelope are stored in analog in an envelope memory. When the key address code is stored by the actuation of the key switch, a clock pulse is selected to read out the attack wave shape portion at a reading rate corresponding to this clock pulse. When the key switch is cut off, another clock pulse is selected to read out the decay wave shape portion at a reading rate corresponding thereto. The read out output of the envelope memory is applied to the voltage control terminal of the musical tone wave shape memory thereby causing the musical tone wave shape memory to produce from the output thereof a musical tone wave shape with the desired envelope.
摘要翻译：在电子乐器中，钥匙开关的致动产生与钥匙开关相对应的钥匙地址代码。该密钥地址码存储在密钥地址存储器中。从多个音调时钟脉冲中选择对应于键地址码的音调时钟脉冲。乐音波形存储器以模拟形式存储要再现的波形。以对应于这样选择的音调时钟的读取速率从该波形形状存储器中读出乐音波形。乐音波形包络的攻击和衰减以模拟信号存储在信封存储器中。当通过按键开关的操作来存储键地址代码时，选择时钟脉冲以与该时钟脉冲对应的读取速率读出攻击波形部分。当钥匙开关被切断时，选择另一个时钟脉冲以与其对应的读取速率读出衰减波形部分。包络存储器的读出输出被施加到乐音波形存储器的电压控制端子，从而使乐音波形存储器从其输出产生具有所需信封的乐音波形。

24. 发明授权

US3809790A Implementation of combined footage stops in a computor organ 失效
标题翻译：在计算机系统中实施组合式战斗机
公开(公告)号：US3809790A
公开(公告)日：1974-05-07
申请号：US32830273
申请日：1973-01-31
申请人： NIPPON MUSICAL INSTRUMENTS MFG
发明人： DEUTSCH R
IPC分类号： G10H1/08 , G10H7/08 , G10H7/10 , G10H1/06 , G10H5/02
CPC分类号： G10H1/08 , G10H7/105
摘要： Combined footage stops are implemented in a computor organ of the type wherein musical notes are produced by computing successive sample point amplitudes of a musical waveshape and converting the amplitudes to sound as the computations are performed in real time. Each waveshape amplitude is obtained by evaluating those Fourier components comprising an incomplete set of harmonics for a first footage voice, and the fundamental and several low order odd harmonics of a voice of lower footage. In a preferred embodiment, an incomplete 8-foot harmonic series is employed, together with the first four odd harmonics of a 16-foot series. The 8-foot harmonics correspond in frequency to even harmonics of the 16-foot series. The missing 8-foot components are ''''reinstated'''' by the listener''s ear. As a result, the combined voice is perceived just as though separate, complete spectra had been used to generate the waveshape. To implement shorter footage stops, certain of the 8-foot harmonics are excluded from the waveshape computation. For combined voices including shorter footage stops, the sum of the harmonic coefficients associated with the concurrently selected stops are used in the component calculations.
摘要翻译：组合的镜头停止在其中通过计算音乐波形的连续采样点幅度并且在计算实时执行时将振幅转换成声音来产生音符的计算机器中实现。每个波形幅度通过评估包括用于第一镜头声音的不完整的一组谐波的傅立叶分量以及较低镜头的声音的基本和几个低阶奇数谐波来获得。在优选实施例中，采用不完整的8英尺高次谐波序列以及16英尺系列的前四个奇次谐波。 8英尺谐波的频率对应于16英尺系列的均匀谐波。失踪的8英尺组件被听众的耳朵“恢复”。结果，组合的声音被感觉就好像分开的，完整的光谱已被用于产生波形。为了实现更短的画面停止，某些8英尺的谐波被排除在波形计算之外。对于包括较短画面停止的组合声音，在组件计算中使用与同时选择的停止点相关联的谐波系数的总和。

25. 发明授权

US3535429A Integrated circuit switching device for electronic musical instruments 失效
标题翻译：电子音乐仪器集成电路切换装置
公开(公告)号：US3535429A
公开(公告)日：1970-10-20
申请号：US3535429D
申请日：1969-01-14
申请人： NIPPON MUSICAL INSTRUMENTS MFG
发明人： UCHIYAMA YASUJI
IPC分类号： G10H5/07 , H03K5/15 , G10H1/00 , G10H5/02
CPC分类号： G10H5/07 , H03K5/15033

26. 发明授权

US3519720A Organ having variable timbre with transistorized player controlled dynamic filter 失效
标题翻译：具有可变轨迹的变体球杆控制动态过滤器
公开(公告)号：US3519720A
公开(公告)日：1970-07-07
申请号：US3519720D
申请日：1968-04-24
申请人： BALDWIN CO D H
发明人： BUNGER DAVID A
IPC分类号： G10H1/12 , G10H1/02 , G10H5/02
CPC分类号： G10H1/12

27. 发明授权

US3180918A Tone generator system 失效
标题翻译：音调发生器系统
公开(公告)号：US3180918A
公开(公告)日：1965-04-27
申请号：US8501661
申请日：1961-01-26
申请人： CONN LTD C G
发明人： HARMON DONALD K
IPC分类号： G10H5/02
CPC分类号： G10H5/02 , Y10S84/20

28. 发明授权

US2997908A Tuning means for an electrical musical instrument 失效
标题翻译：调谐装置用于电子乐器
公开(公告)号：US2997908A
公开(公告)日：1961-08-29
申请号：US70736658
申请日：1958-01-06
申请人： HILBORN EDWIN H
发明人： HILBORN EDWIN H
IPC分类号： G10H5/02
CPC分类号： G10H5/02 , Y10S84/20

29. 发明授权

US2953053A Key tuning apparatus for electronic musical instruments 失效
标题翻译：电子乐器钥匙调音装置
公开(公告)号：US2953053A
公开(公告)日：1960-09-20
申请号：US80122359
申请日：1959-03-23
申请人： PETERSON RICHARD H
发明人： PETERSON RICHARD H
IPC分类号： G10H5/02
CPC分类号： G10H5/02

30. 发明授权

US2906959A Electronic organ 失效
公开(公告)号：US2906959A
公开(公告)日：1959-09-29
申请号：US59654456
申请日：1956-07-09
申请人： PETERSON RICHARD H
发明人： PETERSON RICHARD H
IPC分类号： G10H5/02
CPC分类号： G10H5/02

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