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公开(公告)号：US11670272B2
公开(公告)日：2023-06-06
申请号：US17129936
申请日：2020-12-22
申请人： Roland Corporation
发明人： Mitsuo Shida , Yoshinobu Morimoto , Kosuke Takada
CPC分类号： G10H3/187 , G10H1/0091 , H03F1/327
摘要： An amplifier and a method of outputting a waveform of a music signal capable of outputting a waveform of a music signal exceeding a power supply voltage is provided. An amplifier includes a power supply, an input terminal for a music signal, an amplifying circuit which amplifies the music signal using the power supply, and a jumping-up circuit which is connected to an output end of the amplifying circuit and outputs a waveform exceeding a voltage value of the power supply.
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公开(公告)号：US11233491B2
公开(公告)日：2022-01-25
申请号：US16677586
申请日：2019-11-07
申请人： Roland Corporation
摘要： A distortion imparting device capable of obtaining a natural distortion effect even when output is decreased is provided. The distortion imparting device includes a first amplification part which attenuates an input audio signal on the basis of an attenuation factor set by a user and amplifies the attenuated audio signal, a second amplification part serially connected to the first amplification part, and a limiting part which is connected between an output terminal of the first amplification part and an input terminal of the second amplification part and limits an input voltage of the second amplification part to a predetermined clip voltage, wherein the limiting part determines the clip voltage on the basis of the attenuation factor.
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公开(公告)号：US20210201879A1
公开(公告)日：2021-07-01
申请号：US17129936
申请日：2020-12-22
申请人： Roland Corporation
发明人： Mitsuo Shida , Yoshinobu Morimoto , Kosuke Takada
摘要： An amplifier and a method of outputting a waveform of a music signal capable of outputting a waveform of a music signal exceeding a power supply voltage is provided. An amplifier includes a power supply, an input terminal for a music signal, an amplifying circuit which amplifies the music signal using the power supply, and a jumping-up circuit which is connected to an output end of the amplifying circuit and outputs a waveform exceeding a voltage value of the power supply.
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公开(公告)号：US20200153400A1
公开(公告)日：2020-05-14
申请号：US16677586
申请日：2019-11-07
申请人： Roland Corporation
摘要： A distortion imparting device capable of obtaining a natural distortion effect even when output is decreased is provided. The distortion imparting device includes a first amplification part which attenuates an input audio signal on the basis of an attenuation factor set by a user and amplifies the attenuated audio signal, a second amplification part serially connected to the first amplification part, and a limiting part which is connected between an output terminal of the first amplification part and an input terminal of the second amplification part and limits an input voltage of the second amplification part to a predetermined clip voltage, wherein the limiting part determines the clip voltage on the basis of the attenuation factor.
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公开(公告)号：US11437968B2
公开(公告)日：2022-09-06
申请号：US17131779
申请日：2020-12-23
申请人： Roland Corporation
摘要： A guitar amplifier and a control method of a guitar amplifier in which a setting of a performance mode can be easily changed without an interruption to a sound is provided. The guitar amplifier, which performs musical sound processing on an input musical sound and outputs it, includes a storage device which stores a plurality of information sets including a set value for each of one or two or more types of musical sound processing used in a performance mode, and a control device which changes the setting of the one or two or more types of musical sound processing to a setting according to a set value of a selected information set when information indicating ON of the performance mode, to which the selected information set from the plurality of information sets has been applied, is input.
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公开(公告)号：US20210203294A1
公开(公告)日：2021-07-01
申请号：US17131779
申请日：2020-12-23
申请人： Roland Corporation
摘要： A guitar amplifier and a control method of a guitar amplifier in which a setting of a performance mode can be easily changed without an interruption to a sound is provided. The guitar amplifier, which performs musical sound processing on an input musical sound and outputs it, includes a storage device which stores a plurality of information sets including a set value for each of one or two or more types of musical sound processing used in a performance mode, and a control device which changes the setting of the one or two or more types of musical sound processing to a setting according to a set value of a selected information set when information indicating ON of the performance mode, to which the selected information set from the plurality of information sets has been applied, is input.
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