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WO2004081915A1 - Silent musical instrument with audio power amplifier circuit - Google Patents

Silent musical instrument with audio power amplifier circuit Download PDF

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Publication number
WO2004081915A1
WO2004081915A1 PCT/CN2003/000590 CN0300590W WO2004081915A1 WO 2004081915 A1 WO2004081915 A1 WO 2004081915A1 CN 0300590 W CN0300590 W CN 0300590W WO 2004081915 A1 WO2004081915 A1 WO 2004081915A1
Authority
WO
WIPO (PCT)
Prior art keywords
amplifier circuit
piano body
musical instrument
string
bridge
Prior art date
Application number
PCT/CN2003/000590
Other languages
French (fr)
Chinese (zh)
Inventor
Zemin Liang
Original Assignee
Zemin Liang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zemin Liang filed Critical Zemin Liang
Priority to AU2003257772A priority Critical patent/AU2003257772A1/en
Publication of WO2004081915A1 publication Critical patent/WO2004081915A1/en

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Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H3/00Instruments in which the tones are generated by electromechanical means
    • G10H3/12Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument
    • G10H3/14Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument using mechanically actuated vibrators with pick-up means
    • G10H3/18Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument using mechanically actuated vibrators with pick-up means using a string, e.g. electric guitar
    • G10H3/185Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument using mechanically actuated vibrators with pick-up means using a string, e.g. electric guitar in which the tones are picked up through the bridge structure
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2220/00Input/output interfacing specifically adapted for electrophonic musical tools or instruments
    • G10H2220/461Transducers, i.e. details, positioning or use of assemblies to detect and convert mechanical vibrations or mechanical strains into an electrical signal, e.g. audio, trigger or control signal
    • G10H2220/465Bridge-positioned, i.e. assembled to or attached with the bridge of a stringed musical instrument
    • G10H2220/471Bridge-positioned, i.e. assembled to or attached with the bridge of a stringed musical instrument at bottom, i.e. transducer positioned at the bottom of the bridge, between the bridge and the body of the instrument

Definitions

  • the present invention relates to a silent musical instrument with an audio power amplifier circuit, which belongs to a musical instrument.
  • BACKGROUND There are many silent instruments on the market today. They mainly output audio signals output by an equalizer to an external power amplifier circuit for sound amplification, but none of the silent instruments includes an audio amplifier circuit.
  • SUMMARY OF THE INVENTION The object of the present invention is to provide a silent musical instrument with an audio power amplifier circuit suitable for a player to play and listen.
  • the purpose of the utility model is achieved as follows:
  • a silent musical instrument with an audio power amplifier circuit includes a piano body, and the left and right sides of the upper end of the piano body are provided with rotatable string standards, and the upper end of the piano body is mounted on the front side of the piano body.
  • the EQ2 equalizer is connected, and there is also a battery that provides power. It is characterized by: a low-power audio amplifier circuit is installed inside the body of the body, and the signal input end of the amplifier circuit is connected to the EQ2 equalizer. The signal output end is connected, and the signal output end of the amplifying circuit is connected with a socket.
  • the socket is installed on the piano body and the jack is exposed outside the piano body, which is convenient for matching with an external earphone plug.
  • the utility model has the following advantages: On the one hand, it is convenient for a player to play and listen to himself, and at the same time, the purpose of not disturbing others is achieved.
  • a silent musical instrument with an audio power amplifier circuit includes a body 1, and the left and right sides of the upper end of the body 1 are provided with strings 2 that can be rotated left and right.
  • a fingerboard 3 is installed on the upper end of the front, and a pull-wire plate 6 movably connected to the body 1 is installed on the lower end of the front of the body 1, and a bridge 5 and a bridge 5 are installed on the front of the body 1 near the cable-board 6.
  • the string 4 connected between the string 2 and the string 6 is pressed tightly, and a pickup rod 7 is installed between the lower end of the horse bridge 5 and the body 1.
  • the pickup rod 7 is balanced with the EQ2 through the pickup line 12
  • the amplifier 10 is connected, and there is also a battery 8 for supplying power.
  • the battery 8 is characterized in that a low-power audio amplifier circuit 9 is installed inside the casing of the piano body 1, and the signal input terminal of the amplifier circuit 9 is connected to the signal of the EQ2 equalizer 10.
  • the output end is connected, and the signal output end of the amplification circuit 9 is connected with a socket 11.
  • the socket 11 is installed on the piano body and the jack is exposed on the piano body 1 to facilitate connection with an external earphone plug. It works like this.
  • the vibration signal of the string 4 is transmitted to the pickup rod 7 through the horse bridge 5.
  • the pickup rod 7 converts the signal into an electrical signal and transmits it to the EQ2 equalizer 10 through the pickup line 12.
  • the EQ2 equalizer 10 transmits the signal Signal amplification output for the low-power audio amplifier circuit 9.
  • the signal output of the low-power audio amplifier circuit 9 is a socket 10 that is convenient for the user. The user inserts the plug of the headset into the socket 10 and can hear himself playing through the headset.
  • an external socket can be connected to the output of the equalizer 10, this socket can output the audio signal to an external power amplifier circuit for amplification, so as to achieve the effect of sharing with others, in order to To achieve more complete functions, you can also install the balance adjustment knob and volume adjustment knob.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Amplifiers (AREA)
  • Electrophonic Musical Instruments (AREA)

Abstract

The present utility model relates to a silent musical instrument with audio power amplifier circuit the silent musical instrument includes a body, rotatable chord axises on the left and right side of the upper end of the body, a fingerplate on the upper end of the front of the body, a connecting plate which is assembled on the lower end of the front of the body, and flexibly connected with the body, a bridge which is assembled near the connecting plate of the front of the body, and pressed by strings that are connected between the chord axises and the connecting plate, a sound pickup which is conncected between the lower end of bridge and the body, and connected with EQ2 equalizer by line, and a battery as power source, characterized in that: the instrument also includes a low power audio amplifier circuit in the body case. The present utility model has many advantages such as, the user can hear the music which is played by the user, and the music will not disturb any others.

Description

带有音频功 放 电路 的静声 乐器 技术领域 本实用新型涉及一种带有音频功放电路的静声乐器, 属于乐器。 背景技术 目前市面上的静声乐器很多, 它们主要是将均衡器输出的音频信号输 出到外部的功率放大电路进行声音放大, 而没有一种静声乐器本身含有音 频功放电路的静声乐器。 发明内容 本实用新型的目的是提供一种适用于演奏者自弹自听的带有音频功放 电路的静声乐器。 本实用新型的目的是这样实现的: 一种带有音频功放电路的静声乐器, 包括琴体, 在琴体的上端左右两侧装有可左右旋转的弦准, 在琴体的正面 上端装有指板, 而在琴体正面的下端装有与琴体活动连接的拉线板, 在琴 体的正面靠近拉线板的位置上装有马桥, 马桥靠连接在弦准与拉线板之间 的弦线压紧, 在马桥的下端与琴体之间装有拾音棒, 拾音棒通过拾音线与 TECHNICAL FIELD The present invention relates to a silent musical instrument with an audio power amplifier circuit, which belongs to a musical instrument. BACKGROUND There are many silent instruments on the market today. They mainly output audio signals output by an equalizer to an external power amplifier circuit for sound amplification, but none of the silent instruments includes an audio amplifier circuit. SUMMARY OF THE INVENTION The object of the present invention is to provide a silent musical instrument with an audio power amplifier circuit suitable for a player to play and listen. The purpose of the utility model is achieved as follows: A silent musical instrument with an audio power amplifier circuit includes a piano body, and the left and right sides of the upper end of the piano body are provided with rotatable string standards, and the upper end of the piano body is mounted on the front side of the piano body. There are fingerboards. On the lower end of the front of the piano body, there is a pull-wire board that is movably connected to the piano body. On the front of the piano body, a bridge is installed near the pull-wire board. The bridge is connected between the string standard and the pull-wire board. The strings are pressed tightly, and a pickup rod is installed between the lower end of the bridge and the piano body.
EQ2均衡器相接, 此外还有提供电源的电池, 其特征在于: 在琴体的壳体内 部装有一个小功率音频放大电路, 放大电路的信号输入端与 EQ2均衡器的 信号输出端相接, 放大电路的信号输出端接有一个插座, 插座安装于琴体 上且插孔外露于琴体外, 方便与外部的耳机插头配接。 本实用新型具有如下优点: 一方面方便演奏者自弹自听, 同时又达到 不会干扰别人的目的。 附图说明 图 1是本实用新型结构示意图; 图 2是本实用新型的内部电路方框图; 具体实施方式 下面结合附图和具体实施方式对本实用新型作进一步详细的说明。 如图 1、 图 2所示, 一种带有音频功放电路的静声乐器, 包括琴体 1, 在琴体 1的上端左右两侧装有可左右旋转的弦准 2,在琴体 1的正面上端装 有指板 3, 而在琴体 1正面的下端装有与琴体 1活动连接的拉线板 6, 在琴 体 1的正面靠近拉线板 6的位置上装有马桥 5,马桥 5靠连接在弦准 2与拉 线板 6之间的弦线 4压紧,在马桥 5的下端与琴体 1之间装有拾音棒 7, 拾 音棒 7通过拾音线 12与 EQ2均衡器 10相接, 此外还有提供电源的电池 8, 其特征在于: 在琴体 1的壳体内部装有一个小功率音频放大电路 9, 放大电 路 9的信号输入端与 EQ2均衡器 10的信号输出端相接, 放大电路 9的信号 输出端接有一个插座 11,插座 11安装于琴体上且插孔外露于琴体 1夕卜, 方 便与外部的耳机插头配接。 其工作原理是这样的, 演奏者在弹奏乐器时, 弦线 4的振动信号通过马桥 5传给拾音棒 7,拾音棒 7将该信号转换成电信 号且通过拾音线 12传送给 EQ2均衡器 10, EQ2均衡器 10再将该信号传送 给小功率音频放大电路 9进行信号放大输出, 小功率音频放大电路 9的信 号输出端为一个方便使用者使用的插座 10, 使用者将耳机的插头插入插座 10就可以通过耳机听到自己弹奏的音乐, 而且不会干扰别人, 如果需要, 可以在均衡器 10的输出端再外接一个插座, 该插座可以将音频信号输出给 外部的功率放大电路进行放大, 这样达到与别人共享的效果, 为了达到功 能更加齐全的目的, 还可以装设均衡调节旋钮及音量调节旋钮。 The EQ2 equalizer is connected, and there is also a battery that provides power. It is characterized by: a low-power audio amplifier circuit is installed inside the body of the body, and the signal input end of the amplifier circuit is connected to the EQ2 equalizer. The signal output end is connected, and the signal output end of the amplifying circuit is connected with a socket. The socket is installed on the piano body and the jack is exposed outside the piano body, which is convenient for matching with an external earphone plug. The utility model has the following advantages: On the one hand, it is convenient for a player to play and listen to himself, and at the same time, the purpose of not disturbing others is achieved. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic structural diagram of the present invention; FIG. 2 is a block diagram of an internal circuit of the present invention; DETAILED DESCRIPTION The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. As shown in FIG. 1 and FIG. 2, a silent musical instrument with an audio power amplifier circuit includes a body 1, and the left and right sides of the upper end of the body 1 are provided with strings 2 that can be rotated left and right. A fingerboard 3 is installed on the upper end of the front, and a pull-wire plate 6 movably connected to the body 1 is installed on the lower end of the front of the body 1, and a bridge 5 and a bridge 5 are installed on the front of the body 1 near the cable-board 6. The string 4 connected between the string 2 and the string 6 is pressed tightly, and a pickup rod 7 is installed between the lower end of the horse bridge 5 and the body 1. The pickup rod 7 is balanced with the EQ2 through the pickup line 12 The amplifier 10 is connected, and there is also a battery 8 for supplying power. The battery 8 is characterized in that a low-power audio amplifier circuit 9 is installed inside the casing of the piano body 1, and the signal input terminal of the amplifier circuit 9 is connected to the signal of the EQ2 equalizer 10. The output end is connected, and the signal output end of the amplification circuit 9 is connected with a socket 11. The socket 11 is installed on the piano body and the jack is exposed on the piano body 1 to facilitate connection with an external earphone plug. It works like this. When a player plays an instrument, The vibration signal of the string 4 is transmitted to the pickup rod 7 through the horse bridge 5. The pickup rod 7 converts the signal into an electrical signal and transmits it to the EQ2 equalizer 10 through the pickup line 12. The EQ2 equalizer 10 transmits the signal Signal amplification output for the low-power audio amplifier circuit 9. The signal output of the low-power audio amplifier circuit 9 is a socket 10 that is convenient for the user. The user inserts the plug of the headset into the socket 10 and can hear himself playing through the headset. Music without disturbing others, if necessary, an external socket can be connected to the output of the equalizer 10, this socket can output the audio signal to an external power amplifier circuit for amplification, so as to achieve the effect of sharing with others, in order to To achieve more complete functions, you can also install the balance adjustment knob and volume adjustment knob.

Claims

权 利 要 求 Rights request
1. 一种带有音频功放电路的静声乐器, 包括琴体 (1), 在琴体 (1) 的上端左右两侧装有可左右旋转的弦准 (2), 在琴体 (1) 的正面上端装有 指板 (3), 而在琴体 (1) 正面的下端装有与琴体 (1) 活动连接的拉线板 (6), 在琴体 (1) 的正面靠近拉线板 (6) 的位置上装有马桥 (5), 马桥 (5)靠连接在弦准(2)与拉线板(6)之间的弦线 (4)压紧, 在马桥(5) 的下端与琴体 (1) 之间装有拾音棒 (7), 拾音棒 (7) 通过拾音线 (12) 与 EQ2均衡器 (10) 相接, 此外还有提供电源的电池 (8), 其特征在于: 在琴体 (1)的壳体内部装有一个小功率音频放大电路 (9), 放大电路 (9) 的信号输入端与 EQ2均衡器 (10) 的信号输出端相接, 放大电路(9) 的信 号输出端接有一个插座 (11), 插座 (11) 安装于琴体上且插孔外露于琴体 (1) 外, 方便与外部的耳机插头配接。 1. A silent musical instrument with an audio power amplifier circuit, comprising a piano body (1), which is provided with a rotatable string guide (2) on the left and right sides of an upper end of the piano body (1), and a piano body (1) A fingerboard (3) is installed on the upper end of the front side, and a wire drawing board (6) movably connected to the body (1) is installed on the lower end of the front face of the piano body (1). A horse bridge (5) is installed at the position of 6), and the horse bridge (5) is pressed by the string (4) connected between the string standard (2) and the string plate (6), and is at the lower end of the horse bridge (5) A pickup rod (7) is installed between the piano body (1), and the pickup rod (7) is connected to the EQ2 equalizer (10) through the pickup cable (12). In addition, a battery (8) is provided to provide power. It is characterized in that: a low-power audio amplifier circuit (9) is installed inside the casing of the body (1), and the signal input terminal of the amplifier circuit (9) is connected with the signal output terminal of the EQ2 equalizer (10), The signal output end of the amplifying circuit (9) is connected to a socket (11). The socket (11) is installed on the piano body and the jack is exposed outside the piano body (1), which is convenient for mating with an external earphone plug.
PCT/CN2003/000590 2003-03-14 2003-07-23 Silent musical instrument with audio power amplifier circuit WO2004081915A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003257772A AU2003257772A1 (en) 2003-03-14 2003-07-23 Silent musical instrument with audio power amplifier circuit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNU032242565U CN2669312Y (en) 2003-03-14 2003-03-14 An musical instrument with audio-frequency amplication circuit, which not disturb others
CN03224256.5 2003-03-14

Publications (1)

Publication Number Publication Date
WO2004081915A1 true WO2004081915A1 (en) 2004-09-23

Family

ID=32968477

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2003/000590 WO2004081915A1 (en) 2003-03-14 2003-07-23 Silent musical instrument with audio power amplifier circuit

Country Status (3)

Country Link
CN (1) CN2669312Y (en)
AU (1) AU2003257772A1 (en)
WO (1) WO2004081915A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107615373A (en) * 2015-04-23 2018-01-19 融合音乐科技Ip私人有限公司 Electric stringed instrument

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104681018A (en) * 2013-11-29 2015-06-03 北京怡生飞扬科技发展有限公司 Acoustic guitar pickup

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2324610Y (en) * 1998-04-22 1999-06-16 陆伟基 Electronic stringed instrument
US5929362A (en) * 1998-04-06 1999-07-27 Oteyza; Julian Guitar with removable fretboard and pickup section powered by a headphone amplifier
CN2435819Y (en) * 2000-08-09 2001-06-20 钟明通 Piano sourdine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5929362A (en) * 1998-04-06 1999-07-27 Oteyza; Julian Guitar with removable fretboard and pickup section powered by a headphone amplifier
CN2324610Y (en) * 1998-04-22 1999-06-16 陆伟基 Electronic stringed instrument
CN2435819Y (en) * 2000-08-09 2001-06-20 钟明通 Piano sourdine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107615373A (en) * 2015-04-23 2018-01-19 融合音乐科技Ip私人有限公司 Electric stringed instrument

Also Published As

Publication number Publication date
CN2669312Y (en) 2005-01-05
AU2003257772A1 (en) 2004-09-30

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