CN2602456Y

CN2602456Y - Diad socket circuit for beat and sound corrector

Info

Publication number: CN2602456Y
Application number: CNU032029160U
Authority: CN
Inventors: 曾平蔚
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-11-26
Filing date: 2003-02-16
Publication date: 2004-02-04
Anticipated expiration: 2013-02-16
Also published as: CN1711510A; AU2003284803A1; WO2004049078A1; CN1503088A; CN100538560C

Abstract

The utility model discloses a beat and calibration dual function jack circuit. The utility model is characterized in that: a dual track earphone jack(1) is arranged on the basis of a normal electronic beat and calibration electronic circuit; the two electrical channels of the dual track earphone jack(1) are respectively connected with a speaker of the output circuit of the beat sound signal(2) and a microphone of the signal receiving and processing circuit with calibration function(3), enabling the dual track earphone jack to work as an earphone jack in a metronome state, and as a pickup jack in a calibration state; in this way, the utility model can save one jack without reducing any function, beneficial for the exterior appearance design and minimization design of the product, at the same time reducing the manufacturing costs.

Description

A kind of two-in-one socket circuit of beat-CALIBRATION

Technical field

The utility model relates to the application of operation MCU single chip microcomputer in music teaching performance technology field, more particularly, relates to a kind of two-in-one socket circuit of beat-CALIBRATION.

Background technology

Begin to occur many electronic beat sound-calibrators in recent years on the market, mostly be that volume is little and have the multiple function of metronome, CALIBRATION and pitching instrument simultaneously concurrently, almost each all has two sockets to these electronic beat sound-calibrators, one is signal output---earphone socket, another is signal input---an acoustic pickup socket, these two sockets not only have the cost of increasing, deficiency such as not easy to operate, the more important thing is the surface structure design that greatly restricting this series products and the miniaturization Design of entire product volume.

Summary of the invention

The purpose of this utility model is to provide a kind of two-in-one socket circuit of beat-CALIBRATION, the signal input socket that uses the electronic beat-CALIBRATION of this two-in-one socket circuit design can make the signal accessory power outlet of beat function close the CALIBRATION function unites two into one, and is beneficial to the surface structure design of product and the miniaturization Design of product.

The purpose of this utility model realizes by following measure, construct a kind of electronic beat-tuning device, the complete skill scheme that comprises ordinary electronic beat-CALIBRATION, in implementing electronic circuit, a dual-channel headphone socket [1] is set, a circuit path of this dual-channel headphone socket is connected to the microphone [2] of signal receiving processing circuit unit, another circuit path is connected to the loudspeaker [3] of signal amplification output circuit unit, common port connects ground wire, in the use of CALIBRATION state, this dual-channel headphone socket [1] is the acoustic pickup socket function, when inserting acoustic pickup, connecting the passage of microphone [2] can automatic cutout make acoustic pickup receive external signal and microphone is inoperative, this moment is because the sound amplification output circuit of beat function is in off position, so there is not the influence to beat function; In the use of metronome state, dual-channel headphone socket [1] is the receiver J-Horner function, when inserting earphone, the passage that connects loudspeaker can automatic cutout makes not sounding sound and earphone produces voice signal of loudspeaker, this moment is because the signal receiving processing circuit of CALIBRATION function is in off position, so also there is not the influence to the CALIBRATION function.

Implement the two-in-one socket circuit of a kind of beat-CALIBRATION of the present utility model, beat-the CALIBRATION that can overcome prior art need be provided with the burden that two sockets are made the acoustic pickup socket and the earphone socket that signal is exported of signal input respectively, make the surface structure design of beat-CALIBRATION reduce to pin down and influence factor, be beneficial to the miniaturization Design of product, can also reduce production costs simultaneously.

Description of drawings

Below, in conjunction with the accompanying drawings, further specify characteristics of the present utility model, in the accompanying drawing:

Fig. 1 is the circuit theory diagrams of an embodiment of the present utility model.

Among Fig. 1, [1] dual-channel headphone socket, [2] microphone, [3] loudspeaker, [100] MCU single-chip microcomputer, [110] LCD display, [120] sound amplification output circuit unit, [130] signal receiving processing circuit unit, [140] key circuit unit, [150] power circuit.

From the circuit theory diagrams of an embodiment of the present utility model shown in Figure 1 as can be seen, each I/O port and other each circuit of MCU single-chip microcomputer [100] are imported accordingly, output port connects, each output port of power circuit is connected with other circuit corresponding ports, the common port of dual-channel headphone socket [1] connects ground wire, a circuit path connects microphone [2], another circuit path connects loudspeaker [3], under the CALIBRATION state, this dual-channel headphone socket [1] is made the acoustic pickup socket and is used, when inserting acoustic pickup, connecting the circuit path of microphone [2] can automatic cutout make acoustic pickup receive external signal and microphone is inoperative, this moment is because sound amplification output circuit unit [120] circuit is in off position, so there is not the influence to the voice signal output function; Under the metronome state, dual-channel headphone socket [1] is made receiver J-Horner again and is used, when inserting earphone, the circuit path that connects loudspeaker [3] can automatic cutout makes not sounding sound and earphone produces voice signal of loudspeaker, this moment is because the circuit of signal receiving processing circuit unit [130] is in off position, so also there is not the influence to the reception external signal function of CALIBRATION.

Claims

1. the two-in-one socket circuit of a beat-CALIBRATION, construct a kind of electronic beat-tuning device, complete skill scheme with ordinary electronic beat-CALIBRATION, be characterised in that, on the electronic circuit of beat-CALIBRATION, increase and a dual-channel headphone socket [1] is set, its common port connection ground wire, a circuit path connection microphone [2], another circuit path connects loudspeaker [3]

Under the CALIBRATION state, when described dual-channel headphone socket [1] inserted acoustic pickup, the circuit path that connects microphone [2] can disconnect;

Under the metronome state, when dual-channel headphone socket [1] inserted earphone, the circuit path that connects loudspeaker [3] can automatic cutout.