KR200200208Y1 - Multi outputting function megaphone - Google Patents

Abstract

The present invention relates to a megaphone having a multi-output function, which includes a processor having a plurality of microphones inside and outside and a voice memory chip embedded therein, and at the same time, a built-in multi-vibrator for internal and external voice output and It is an object of the present invention to provide a megaphone having a multi-output function such that an alarm sound can be output at a plurality of different frequencies.

The present invention is switched to start recording, recording pause, recording stop, recording audio signal reset, audio signal output, recording, audio signal automatic output ( Auto Play) switching unit for generating a switching signal; A first microphone MIC-1 for converting a voice signal into a digital signal for recording (Rec) the voice signal applied therein; A regulator for performing a voltage drop operation in order to use the voltage 12V generated from the cigar jack of the vehicle as an input voltage of a processor, which will be described later; Receiving the switching signal from the switching unit, the recording start (Start) and recording pause (Pause), recording stop (Stop), recorded voice signal reset (Reset), audio signal output (Play), recording (Rec), voice A processor provided therein with a memory for processing a signal of signal auto output and storing a voice signal applied from the first microphone; A low frequency amplifier for low frequency amplifying the voice signal generated from the processor; A variable resistor for adjusting the volume of the voice output signal outputted through the low frequency amplifier; Voice signal output directly without being stored in the memory of the processor Second and third microphones for converting an A / D signal; First and second high frequency amplifiers for high frequency amplifying the voice signals input from the second and third microphones; A plurality of variable resistors for adjusting the volume of the output signal of the first and second high frequency amplifiers; A switch for switching a power stage input from the cigar jack of the vehicle; A first siren which generates a frequency oscillation signal of 600 Hz by operating a vibrator therein with the voltage applied from the switch; A second siren for frequency oscillation of 400 to 600 Hz from the switch in association with the first siren; A power amplifier for converting and amplifying a digital voice signal generated from the low frequency amplifier, the first and second high frequency amplifiers, and the first and second siren into an analog signal; Characterized in that the speaker configured to vibrate the oscillator inside the voice signal from the power amplifier applied to the voice output.

According to the present invention, a processor and a voice memory having a repetitive function inside a single megaphone, a plurality of microphones and a signal amplifier are provided for recording operation, the output function of the recorded voice data, the repetitive output function of the recorded voice data, It is very convenient to use by having multi-function of external voice output function and siren function, and it is more convenient because it can be used for vehicle and mobile at the same time.

Description

MULTI OUTPUTTING FUNCTION MEGAPHONE}

The present invention relates to a megaphone having a multi-output function, and more particularly, to a megaphone having a multi-output function including recording and amplifying a voice signal, an alarm sound output function and an external voice output, and a voice multi output function therein. It is about.

As is well known, a megaphone (loudspeaker) for amplifying and outputting a voice signal is used in order to output a known voice signal to a plurality of remote listeners. The megaphone is provided with a microphone for voice input and signal conversion therein, at least one amplifier and amplification circuit, at least one vibrator and a speaker for siren sound output, and the analog inputted through the microphone. The audio signal, which is a signal, is converted into a digital signal and amplified by the amplifier, and then output through the speaker, or the siren is driven by a predetermined switch and output through the speaker.

However, the function of the megaphone is limited only to the user's voice amplification and amplified voice signal output, and the siren is limited to a single frequency oscillation function using a vibrator. If you need to output the signal was inconvenient to use in conjunction with the recording output function.

The present invention has been made in view of the above-described state of the art, and includes a processor having a plurality of microphones inside and outside thereof and a voice memory chip embedded therein, and at the same time, a built-in multivibrator for internal and external voice. It is an object of the present invention to provide a megaphone having a multi-output function such that an alarm sound can be output at a plurality of different frequencies.

1 is a circuit diagram showing the configuration of a megaphone having a multi-output function according to an embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

2: switching unit, 4: first microphone,

6: regulator, 8: processor,

14, 16: 2, 3 microphones, 18, 20: amplifier,

22, 24: variable resistance, 28, 30: first and second siren,

32: power amplifier.

In order to achieve the above object, according to a preferred embodiment of the present invention by switching the recording start (Start) and recording pause (Pause), stop recording (Stop), A switching unit for generating a coded voice signal reset, a voice signal output Play, a recording Rec, and a voice signal auto play switching signal; A first microphone MIC-1 for converting a voice signal into a digital signal for recording (Rec) the voice signal applied therein; A regulator for performing a voltage drop operation in order to use the voltage 12V generated from the cigar jack of the vehicle as an input voltage of a processor, which will be described later; Receiving the switching signal from the switching unit, the recording start (Start) and recording pause (Pause), recording stop (Stop), recorded voice signal reset (Reset), audio signal output (Play), recording (Rec), voice A processor provided therein with a memory for processing a signal of signal auto output and storing a voice signal applied from the first microphone; A low frequency amplifier for low frequency amplifying the voice signal generated from the processor; A variable resistor for adjusting the volume of the voice output signal outputted through the low frequency amplifier; Second and third microphones for converting A / D signals of voice signals directly output without being stored in the memory of the processor; First and second high frequency amplifiers for high frequency amplifying the voice signals input from the second and third microphones; A plurality of variable resistors for adjusting the volume of the output signal of the first and second high frequency amplifiers; A switch for switching a power stage input from the cigar jack of the vehicle; A first siren which generates a frequency oscillation signal of 600 Hz by operating a vibrator therein with the voltage applied from the switch; A second siren for frequency oscillation of 400 to 600 Hz from the switch in association with the first siren; The low frequency amplifier and the first and second high frequency amplifiers Frequency amplifier; and a power amplifier for converting and amplifying a digital voice signal generated from the first and second siren into an analog signal; There is provided a megaphone having a multi-output function, comprising a speaker configured to vibrate an oscillator therein with a voice signal applied from the power amplifier.

Hereinafter, the present invention will be described in detail with reference to the drawings.

1 is a circuit diagram showing the configuration of a megaphone having a multi-output function according to an embodiment of the present invention.

Referring to this, reference numeral 2 denotes a switching unit for switching the multi-function of the megaphone according to the present invention, and the switching unit 2 is switched to start recording, pause recording, and stop recording. ), It generates a recorded voice signal reset (Reset), voice signal output (Play), recording (Rec), voice signal Auto Play signal.

In addition, reference numeral 4 denotes a first microphone MIC-1 for converting a voice signal into a digital signal for recording a repetitive voice signal of the megaphone, and reference numeral 6 denotes a voltage generated from the cigar jack of the vehicle. A regulator for performing a voltage drop operation in order to use 12V) as an input voltage of the processor 8 described later.

Reference numeral 8 denotes a start of recording, pause of recording, stop of recording, deletion of a recorded audio signal, and output of a voice signal by receiving a switching signal from the switching unit 2. Processing a signal of recording (Rec) and audio signal auto play (Auto Play), and simultaneously storing a voice signal applied from the first microphone (4). Mori (not shown) represents a processor provided therein.

Reference numeral 10 denotes a low frequency amplifier for low frequency amplifying the voice signal generated from the processor 8, and 12 denotes a volume of the voice output signal output through the low frequency amplifier 10. The variable resistance to be adjusted is shown.

Further, reference numerals 14 and 16 denote second and third microphones for A / D signal conversion of voice signals which are not directly stored in the memory of the processor 8 and are output directly, and reference numerals 18 and 20 denote the second microphones. And first and second high frequency amplifiers for high frequency amplifying voice signals input from the third microphones 14 and 16, and reference numerals 22 and 24 denote first and second high frequency amplifiers. And a variable resistor for adjusting the volume of the output signal of the frequency amplifiers 18 and 20.

Reference numeral 26 denotes a switch for switching the power stage input from the cigar jack of the vehicle, 28 is a vibrator for frequency oscillation of 600 Hz, referred to as a first siren, and 30 is a vibrator for frequency oscillation of 400 to 600 Hz. The second siren is called, and an oscillation signal of a specific frequency is generated through interlocking of the first and second siren.

Further, reference numeral 32 is generated from the low frequency amplifier 10, the first and second high frequency amplifiers 18 and 20, and the first and second siren 28 and 30. The power amplifier PA converts and amplifies the digital voice signal into an analog signal, and 34 denotes a sound applied from the power amplifier 32. Represents a speaker that vibrates an oscillator inside by a sex signal and outputs a voice.

Meanwhile, a megaphone having a multi-output function according to the present invention can be variously modified without departing from the technical gist of the present invention. Use with the megaphone which has is fully possible.

The function and operation of the megaphone having a multi-output function according to an embodiment of the present invention of the above configuration will be described in detail with reference to the accompanying drawings.

The megaphone having a multi-output function of the present invention is largely divided into a recording operation, an output function of recorded voice data, a repetitive output function of recorded voice data, an external voice output function, and a siren function.

First, a voltage of 12V applied from a cigar jack (not shown) of a vehicle is stepped down to a constant voltage of 5V via the regulator 6 to maintain the processor 8 in a standby state. At this time, if the audio signal is applied to the first microphone 4 while the recording (REC) button of the switching unit 2 is switched and the recording start (START) button is operated, the audio signal is modulated into a digital signal. The voice memory is stored in the processor 8.

In this case, in order to pause the recording operation, the recording pause button may be operated to keep the voice memory of the processor 8 in the standby state, and the recording stop button of the switching unit 2 may be pressed. Recording stops when you operate.

In addition, to delete the voice data recorded in the voice memory of the processor (8) When the reset button is operated, the data of the voice memory is cleared.

In addition, the output function of the recorded audio data is performed by operating the audio signal output (PLAY) button of the switching unit 2. When the audio signal output (PLAY) button is operated, the audio memory of the processor (8) The read voice signal is amplified by the low frequency amplifier 10 and converted into a digital signal by the power amplifier 32 and output.

On the other hand, the repeated output function of the recorded voice data is performed by operating the AUTO PLAY button of the switching unit 2. When the automatic voice signal output button is operated, the voice memory of the processor 8 is operated. The audio signal read out from the amplifier is amplified by the low frequency amplifier 10, converted into a digital signal by the power amplifier 32, and outputted and repeated at a predetermined timing interval.

The external voice output function may be performed by modulating and amplifying the voice signal applied through the second and third microphones 14 and 16 through the speaker 34 and outputting the voice signal through the speaker 34. By adjusting the resistors 22 and 24, the volume of the audio signal output through the speaker 34 is adjusted.

In addition, the siren function of the megaphone having the multi-output function according to the present invention is output at a plurality of frequencies (600 Hz, 400 to 600 Hz) according to the interruption of the switch 26. The first and second siren 28 and 30 The voltage applied to the oscillator is oscillated by the vibrator therein to output a specific pulse wave and is amplified and output through the power amplifier 32. All.

Megaphones with such a multi-output function can be used for ballpoint pens and vehicles, and can be used for learning because a large amount of voice data can be recorded according to the expandability of the internal memory. It can also be used for school command, church evangelism, parliamentary elections, and military training.

On the other hand, the megaphone having a multi-output function according to an embodiment of the present invention is not limited only to the above-described embodiment is possible various modifications within the scope not departing from the technical gist.

As described above, according to the megaphone having a multi-output function according to the present invention, a recording operation and output of recorded voice data are provided with a processor and a voice memory having a repetitive function inside a single megaphone, a plurality of microphones, and a signal amplifier. It is very convenient to use, and it is more convenient because it can be used for vehicle and mobile at the same time by having the function, repeated output function of recorded voice data, external voice output function and siren function.

Claims (1)

Recording starts, pauses recording, stops recording, stops recording, resets audio signal, plays audio, plays audio, automatically plays audio. A switching unit 2 for generating a switching signal; A first microphone (MIC-1) 4 for converting a voice signal into a digital signal in order to record (Rec) the voice signal applied therein; A regulator 6 which performs a voltage drop operation in order to use the voltage 12V generated from the cigar jack of the vehicle as the input voltage of the processor described later; Receiving the switching signal from the switching unit 2, the recording start (Start) and recording pause (Pause), recording stop (Stop), recorded voice signal reset (Reset), audio signal output (Play), recording (Rec) A processor 8 having a memory configured to process a signal of an audio signal auto play and to store an audio signal applied from the first microphone 4; A low frequency amplifier 10 for low frequency amplifying the voice signal generated from the processor 8; A variable resistor 12 for adjusting the volume of the audio output signal outputted through the low frequency amplifier 10; Second and third microphones (14, 16) for A / D signal conversion of voice signals directly output without being stored in the memory of the processor (32); First and second high frequency amplifiers 18 and 20 for high frequency amplifying the voice signals input from the second and third microphones 14 and 16; A plurality of variable resistors (22, 24) for adjusting the volume of the output signal of the first and second high frequency amplifiers (18, 20); A switch 26 for switching the power stage input from the cigar jack of the vehicle; A first siren (28) for generating a frequency oscillation signal of 600 Hz by operating a vibrator therein with the voltage applied from the switch (26); A second siren (30) for frequency oscillation of 400 to 600 Hz from the switch (26) in conjunction with the first siren (28); A digital voice signal generated from the low frequency amplifier 10, the first and second high frequency amplifiers 18 and 20, and the first and second siren 28 and 30 is analog. A power amplifier 32 for converting and amplifying the signal into a signal; Megaphone having a multi-output function, characterized in that composed of a speaker (34) for vibrating the oscillator to the voice output from the voice signal applied from the power amplifier (32).