TWM519797U - Three-way guitar pick-up - Google Patents

Description

Three-way guitar pickup

The present invention relates to the field of musical instrument accessories, and more particularly to a three-way guitar pickup.

A pickup is a mechanical vibration transducer that is commonly found on devices such as electric guitars and electric bass guitars. It converts tones into electronic signals for expansion, recording, and broadcasting. The acoustic guitar (i.e., acoustic guitar) pickups of the prior art mainly include the electromagnetic pickups of Figs. 1 and 2 and the piezoelectric pickup of Fig. 3.

As shown in FIG. 1 and FIG. 2, the electromagnetic pickup 10 is provided with a clip 11 at both ends for clamping on the periphery of the sound hole A1 of the guitar A, and a micro-microphone 12 is connected to the guitar A via a flexible tube 121. In the speaker A2, the top of the electromagnetic pickup 10 is provided with an electromagnetic coil 13 protruding to the outside of the sound hole A1, the bottom is provided with an electromagnetic pickup volume adjustment 14, and the microphone pickup volume adjustment 15; the electromagnetic pickup 10 utilizes an electromagnetic coil 13 picks up the string A3 vibrating audio, and uses the microphone 12 to pick up the audio of the internal sound of the speaker A2. As shown in FIG. 3, the piezoelectric pickup 20 includes a control circuit 21 disposed outside the casing of the guitar A. A microphone 22 is connected to the control circuit 21 and extends into the speaker A2 for picking up the audio in the speaker A2. And a piezoelectric strip 23 disposed on the rear pillow A4 of the guitar A and electrically connected to the control circuit 21 for picking up the vibration audio of the string A3. Thereby, the electromagnetic pickup 10 or the piezoelectric pickup 20 combines the two kinds of audio signals obtained through the control circuit provided inside the electromagnetic pickup 10 or the control circuit 21 of the piezoelectric pickup 20 to the sound amplification system. To achieve sound amplification.

However, in the existing pickup, the electromagnetic type only picks up the vibration audio of the string A3, and the piezoelectric type only picks up the vibration audio of the rear string A4 against the rear string A4, and the obtained string vibration audio is not comprehensive; The pickups are all equipped with a single full-band microphone and are located inside the speaker A2, but the sounds picked up inside and outside the guitar are still different. This difference is more obvious when the microphone is inserted into the speaker A2 from the sound hole A1. However, when the microphone is closer to the sound hole A1, the audio that is easily transmitted back through the speaker after the signal is amplified is picked up by the microphone and amplified, and the microphone and the speaker are co-shocked to generate a howling.

Therefore, the existing electromagnetic pickups and piezoelectric pickups, although the microphone in the speaker A2 can increase the reduction degree of the acoustic sound of the guitar, but is limited by the microphone setting position and the frequency characteristics of the single micro-stationary condenser microphone, resulting in restoration The sound of the guitar sound is not good.

The present invention is to provide a three-way guitar pickup to solve the problem of the poor effect of reducing the acoustic sound of the guitar existing in the prior art.

Therefore, in order to achieve the above object, the present invention provides a three-way guitar pickup comprising an electromagnetic pickup body, a high-pitched microphone and a bass microphone, wherein the electromagnetic pickup body is provided with two clamping ports at opposite outer ends. The electromagnetic pickup body has a control circuit, an electromagnetic pickup coil, a high-pitched howling suppression knob, a bass volume adjustment knob, and an electromagnetic pickup and microphone pickup volume ratio. The adjusting button is electrically connected to the control circuit, and the electromagnetic collecting coil is used for picking up an audio signal of the guitar string and transmitting it back to the control circuit; the high-pitched microphone is disposed on a side of the electromagnetic pickup body, and the The treble microphone has a diaphragm facing the rear chord of the guitar, and the treble microphone is electrically connected to the control circuit for picking up an audio signal of 5 kHz or more in the speaker and transmitting it back to the control circuit; The microphone is electrically connected to the control circuit through a wire and is disposed at any position inside the speaker for picking up sounds below 200 Hz in the speaker The frequency signal is transmitted back to the control circuit; the control circuit is connected to a socket (not shown) for outputting an audio signal picked up from the electromagnetic pickup coil, the treble microphone and the bass microphone.

Preferably, the treble microphone and the bass microphone are both miniature electret microphones, and the microphone has a diameter between 5 mm and 20 mm. In addition, the treble microphone is preferably positioned within the speaker in a position adjacent to the sound hole but not beyond the sound hole.

Preferably, the electromagnetic pickup body further has a total volume adjustment knob, a microphone phase conversion button and an electromagnetic pickup phase conversion button electrically connected to the control circuit.

The present invention picks up the audio signal of the string vibration through the electromagnetic pickup body, and the high-pitched microphone and the bass microphone are respectively arranged at the sound hole of the guitar and at any position in the speaker, and the electromagnetic circuit is separately independent of the electronic circuit, and the high-pitched microphone is used. Picking up the sound, picking up the woofer, picking up the treble and bass audio signals of the speakers, and connecting with the control circuit to form a three-way guitar pickup, so that the combination of the three audio signals can be used, so that the original sound of the guitar is restored. You can adjust the desired sound according to your personal preference.

Further, by disposing the independent tweeter microphones and the bass microphones in different positions, the problem that the microphones are close to the sound holes and the high and low frequency resonances are easily generated by the microphones is eliminated, and the microphone is prevented from resonating. Keeping away from the sound hole into the speaker causes distortion of the high sound. Furthermore, the present invention inserts the woofer into the speaker, and has the problem of avoiding the whistling of the speaker with the feedback resonance. With the treble microphone set in the sound hole position, the most fax sent by the sound hole of the speaker is picked up. High pitch.

The preferred embodiments of the present invention are described in detail with reference to the accompanying drawings.

Please refer to FIG. 4 to FIG. 7 to illustrate a specific implementation manner of the novel three-way guitar pickup.

Generally, the guitar A includes a sound hole A1 disposed on the side of the speaker A2, and the string A3 extends from the front end of the guitar A to the rear end and spans the sound hole A1. The two ends of the string A3 are fixed by a two-string pillow, and are defined on the guitar. The chord of the rear end of A is the rear chord A4. The novel three-way guitar pickup includes an electromagnetic pickup body 30, a high-pitched microphone 40, and a bass microphone 50. The electromagnetic pickup body 30 high-pitched microphone 40 is disposed at the sound hole A1 of the guitar A, and the bass microphone 50 is disposed at In the speaker A2, the sound from the guitar pickup is made closer to the original acoustic guitar.

As shown in FIG. 4 to FIG. 6 , the opposite ends of the electromagnetic pickup body 30 are provided with two clamping ports 31 for clamping on the sound hole A1 of the guitar A. The electromagnetic pickup body 30 has a control circuit 32 and an electromagnetic circuit. a pickup coil 33, a high-pitched howling suppression knob 34, a bass volume adjustment knob 35, an electromagnetic pickup and microphone pickup volume ratio adjustment knob 36, a total volume adjustment knob 37, a microphone phase conversion button 38, and An electromagnetic pickup phase shift knob 39 is electrically connected to the control circuit 32 for picking up the audio signal of the guitar A string A3 and transmitting it back to the control circuit 32.

As shown in FIG. 5 to FIG. 7 , the treble microphone 40 is disposed on a side surface 301 of the electromagnetic pickup body 30, and is adjacent to the sound hole A1 but does not extend beyond the sound hole A1 in the speaker A2, and the treble microphone 40 has A diaphragm 41 is oriented in the direction of the rear pillow A4 of the guitar A. The high-pitched microphone 40 is electrically connected to the control circuit 32 for picking up an audio signal of 5 kHz or more in the speaker A2 and transmitting it back to the control circuit. 32. In the present embodiment, the tweeter microphone 40 is a micro electret microphone having a microphone diameter of between 5 mm and 20 mm.

As shown in FIG. 5 and FIG. 7 , the woofer microphone 50 is electrically connected to the control circuit 32 via a wire 51 and is disposed at any position inside the speaker A2 for picking up the speaker A2 below 200 Hz. The audio signal is transmitted back to the control circuit 32. In the present embodiment, the woofer microphone 50 is a micro electret microphone having a microphone diameter of between 5 mm and 20 mm.

The control circuit 32 of the electromagnetic pickup body 30 is further connected to a socket (not shown) for connecting the speaker, and the control circuit 32 receives the string audio signal from the electromagnetic pickup coil 33, the high and low audio signals of the treble microphone 40, and the bass. After the bass audio signal of the microphone 50 is adjusted, the plurality of phase conversion buttons 38 and 39 and the adjustment buttons 34, 35, 36, and 37 provided in the electromagnetic pickup body 30 are adjusted, and then the three audio signals are added together. The socket is connected to the speaker output for amplification. In the embodiment, the socket is used for plugging in an audio transmission line to connect the electromagnetic pickup body 30 and the speaker and output the sound of the instrument. The technology is prior art and will not be described again.

In summary, after adopting a self-independent high-pitched microphone 40 and a bass microphone 50, the present invention has two microphones of different frequency functions placed at a desired optimal pickup position, that is, a high-pitched microphone. Placed in the sound hole position of the guitar speaker, and the diaphragm 41 of the treble microphone 40 is oriented toward the rear chord A4 of the guitar, specifically for picking up the guitar speaker and the most clear high-pitched part of the string itself; 50 can be set at any position inside the speaker A2, so as to directly pick up the deepest part of the bass of the guitar string A3 after the speaker A2 is resonated, and finally, the audio signal picked up by the treble microphone 40 and the bass microphone 50 and the electromagnetic pickup body 30 The audio signals picked up by the electromagnetic pickup coil 33 are mixed to form a three-way guitar pickup, which achieves the reproduction of the best acoustic guitar sound, effectively avoiding the existing acoustic guitar pickup using only a single microphone and not reproducing the original sound intact. The problem of the guitar's high and low sounds also overcomes the howling problem at high volume.

In addition, the electromagnetic pickup body 30 of the novel three-way guitar pickup can be replaced by a piezoelectric pickup. In an embodiment of the piezoelectric pickup, the tweeter microphone 40 can hold a set of firmware on the sound hole A1 of the guitar A for fixing the tweeter microphone 40 to the adjacent sound hole A1 and the diaphragm 41 facing the rear chord. The position of the pillow A4 is to ensure the pickup state of the treble microphone 40.

(previous technology)
A‧‧‧ guitar
A1‧‧‧ sound hole
A2‧‧‧ speaker
A3‧‧‧ strings
A4‧‧‧ rear string pillow
10‧‧‧Electrical pickups
11‧‧‧ Sandwich
121‧‧‧Flexible tube
12‧‧‧ microphone
13‧‧‧Electromagnetic coil
14‧‧‧Electromagnetic pickup volume adjustment
15‧‧‧Microphone pickup volume adjustment
20‧‧‧Piezo pickups
21‧‧‧Control circuit
22‧‧‧Microphone
23‧‧‧Piezobar

(this new type)
30‧‧‧Electromagnetic pickup body
301‧‧‧ side
31‧‧‧ Sandwich
32‧‧‧Control circuit
33‧‧‧Electromagnetic pickup coil
34‧‧‧High-pitched squeal suppression knob
35‧‧‧ bass volume adjustment knob
36‧‧‧Electromagnetic pickup and microphone pickup volume ratio knob
37‧‧‧Total volume control
38‧‧‧Microphone phase shift button
39‧‧‧Electromagnetic pickup phase shift button
40‧‧‧High-pitched microphone
41‧‧‧Densor
50‧‧‧ bass microphone
51‧‧‧Wire

1 is a schematic structural view of a conventional electromagnetic pickup.

2 is a schematic view showing the structure of a conventional electromagnetic pickup provided on a guitar.

3 is a schematic view showing the structure of a conventional piezoelectric pickup provided on a guitar.

4 is a schematic structural view of the novel three-way guitar pickup.

FIG. 5 is a schematic structural view of the novel three-way guitar pickup provided on the guitar.

Fig. 6 is a partially enlarged plan view showing the upper view of Fig. 5;

Figure 7 is a side elevational, partially enlarged view of Figure 5.

A3‧‧‧ strings

30‧‧‧Electromagnetic pickup body

301‧‧‧ side

31‧‧‧ Sandwich

32‧‧‧Control circuit

33‧‧‧Electromagnetic pickup coil

34‧‧‧High-pitched squeal suppression knob

35‧‧‧ bass volume adjustment knob

36‧‧‧Electromagnetic pickup and microphone pickup volume ratio knob

37‧‧‧Total volume control

38‧‧‧Microphone phase shift button

39‧‧‧Electromagnetic pickup phase shift button

40‧‧‧High-pitched microphone

41‧‧‧Densor

50‧‧‧ bass microphone

51‧‧‧Wire

Claims (5)

A three-way guitar pickup is disposed at a sound hole of the guitar and in the speaker, wherein: the pickup comprises an electromagnetic pickup body, a high-pitched microphone and a bass microphone, wherein the electromagnetic pickup body has two outer portions The end is provided with two clamping mouths for clamping at the sound hole of the guitar. The electromagnetic pickup body has a control circuit, an electromagnetic pickup coil, a high-pitched howling suppression knob, a bass volume adjustment knob and an electromagnetic pickup. The sound and microphone pickup volume ratio adjusting button is electrically connected to the control circuit, and the electromagnetic pickup coil is used for picking up an audio signal of the guitar string and transmitting it back to the control circuit; the treble microphone is disposed outside the electromagnetic pickup body On one side of the treble microphone, the treble microphone has a diaphragm facing the rear chord of the guitar, and the treble microphone is electrically connected to the control circuit for picking up audio signals of more than 5 Hz in the speaker and transmitting back to the control. The bass microphone is electrically connected to the control circuit through a wire and is disposed at any position inside the speaker for picking up Box below 200Hz audio signal and transmitted back to the control circuit; the control circuit, a receptacle connector for outputting an audio signal of the electromagnetic pickup coil, treble and bass microphone picked up from the microphone. The three-way guitar pickup according to claim 1, wherein the treble microphone is a miniature electret microphone, and the microphone has a diameter of between 5 mm and 20 mm. The three-way guitar pickup according to claim 1, wherein the bass microphone is a miniature electret microphone, and the microphone has a diameter of between 5 mm and 20 mm. The three-way guitar pickup according to claim 1, wherein the treble microphone is disposed on a side of the electromagnetic pickup body and adjacent to the sound hole but does not extend beyond the sound hole in the speaker. The three-way guitar pickup according to claim 1, wherein the electromagnetic pickup body further has a total volume adjustment knob, a microphone phase conversion button and an electromagnetic pickup phase conversion button electrically connected to the control circuit. .