KR200179155Y1 - Speaking record appartus of cellular phone - Google Patents

Abstract

The present invention relates to a call recording apparatus of a mobile phone that can record the contents of a call during a mobile phone call.

The call recording apparatus of the mobile phone according to the present invention comprises at least a signal transmitting and receiving means for inputting a voice signal of the other party through an earphone jack of the mobile phone and transmitting a voice signal of the user to the mobile phone, and the user sends the voice of the other party to the speaker and the earphone. And earphone / microphone switching means for switching to any one of the signal transmitting and receiving means, A / D signal converting means for converting a signal input through the earphone / microphone switching means into a digital signal, the user recording, Storing a signal output from the A / D signal converting means by a signal of the function selection input means and a function selection input means for selecting a recording / playback function and reproducing the signal stored in the memory; A microcomputer to perform a plurality of functions, and a pulse of a predetermined period controlled by the microcomputer Timer means for generating a signal to calculate a time for recording, display means for indicating the time that can be recorded by the microcomputer and a plurality of built-in functions, and a digital signal output from the microcomputer. D / A converting means for converting into a signal, signal amplifying means for amplifying a signal inputted from the D / A converting means and outputting to the earphone / microphone switching means, and a power supply unit for supplying necessary power to each circuit. Characterized in that provided.

Description

Phone call recording device {SPEAKING RECORD APPARTUS OF CELLULAR PHONE}

The present invention relates to a call recording device of a mobile phone, and more particularly to a call recording device of a mobile phone that can record the contents of a call during a call.

In general, mobile phones are portable phones that can be used by individuals to send and receive telephone calls, and the demand is exploding today. Therefore, each company that sells mobile phones is developing a mobile phone with better functions and performances to occupy the market.

1 is a perspective view showing an embodiment of a mobile phone generally used.

As shown in the figure, the mobile phone has a screen 10, a function button 20, a power button 22, a number button 24, a microphone (phone) 30, a cover 40, a speaker (handset) 50 , An antenna 60, a volume button / search button 70, an incoming button 72, a buzzer 74, a portable hook 76, and the like. The phone also has connectors for a heads-free function and a battery charging function.

Mobile phones that are on the market today offer a hands-free feature that allows you to make a natural call while holding your car's steering wheel without holding your phone while you are talking. The mobile phone, which uses hands-free function, is powered by the vehicle battery, so it is possible to talk for a long time regardless of the talk time.

However, the conventional mobile phone having the above configuration provides a variety of functions depending on the type such as a wake-up call function, a phone number memory function, an alarm function, a clock, as well as a function for sending and receiving a phone call while being carried by an individual. Because there is no function to record the phone number or appointment place or appointment time, you had to find writing instruments and notes. At this time, if there were no writing instruments or note papers, they were often in a difficult situation. In addition, when a mobile phone user needs to note the contents of a call when a user calls a hands-free function while driving a vehicle, the driver must find and write down a writing instrument and a note while driving, thereby causing a risk of an accident.

Accordingly, the present invention has been made to solve the above problems, and the present invention has an object to provide a call recording apparatus of a mobile phone that can easily record the contents of the call when the mobile phone is called.

1 is a perspective view of a commonly used mobile phone

Figure 2 is a block diagram showing a state connecting the call recording device of the mobile phone according to the present invention to the mobile phone

Figure 3 is a block diagram of a call recording device of a mobile phone according to the present invention

<Explanation of symbols for main parts of the drawings>

10: Screen 20: Function Buttons

30: microphone 40: cover

50: speaker 60: antenna

70: volume button / search button 72: incoming button

74: buzzer 76: portable hook

100: mobile phone 200: mobile phone call recording device

210: microcomputer 215: memory unit

220: analog / digital conversion unit 225: function selection switch unit

230: LCD display unit 235: timer circuit unit

240: digital / analog converter 245: signal amplifier

250: speaker 260: power supply

270: earphone / microphone selection circuit section 310: microphone

320: earphone / microphone

In order to achieve the above object, the call recording apparatus of the mobile phone according to the present invention, at least, the signal transmitting and receiving means for inputting the voice signal of the other party through the earphone jack of the mobile phone and transmitting the user's voice signal to the mobile phone, and the user A / D signal conversion that converts the voice of the other party to the speaker, earphone, and any one of the signal transmission and reception means, and the microphone and the microphone and the signal input through the earphone / microphone switching means Means, a function selection input means for the user to select a recording, a recording playback, a function mode, and a signal output from the A / D signal conversion means by a signal of the function selection input means in a memory; A microcomputer to reproduce signals stored in the microcomputer and perform a plurality of built-in functions; Timer means for calculating a time for recording by generating a pulse signal of a predetermined period, display means for indicating the time that can be recorded by the micom and a plurality of built-in functions in text, and from the micom D / A converting means for converting the output digital signal into an analog signal, signal amplifying means for amplifying the signal inputted from the D / A converting means and outputting it to the earphone / microphone switching means, and necessary for each circuit Characterized in that it comprises a power supply for supplying power.

The memory may be a DRAM having a capacity of 1 M to 4 M.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

In addition, in all the drawings for demonstrating an embodiment, the thing with the same function uses the same code | symbol, and the repeated description is abbreviate | omitted.

2 is an explanatory diagram showing a method of connecting the call recording apparatus 200 of the cellular phone according to the present invention to an existing cellular phone.

In the drawings, the configuration and operation of the call recording device 200 of the mobile phone according to the present invention will be described in detail with reference to FIG. Here, the call recording device 200 of the mobile phone of the present invention is connected to the earphone connection terminal 80 of the existing mobile phone 100 by using the connection jack 330, the call content required when using the mobile phone 100 immediately You can record.

In addition, the mobile phone call recording device 200 according to the present invention can be used with the hands-free function when using the mobile phone, the user can select and use the microphone 310 or the earphone 320.

Then, the call recording apparatus of the mobile phone according to the present invention will be described with reference to the accompanying drawings.

First, Figure 3 is a block diagram showing a call recording apparatus 200 of the mobile phone according to the present invention.

In the figure, the signal receiving and transmitting unit 280 inputs the voice signal of the other party transmitted through the earphone jack (reference numeral 80 of FIG. 2) of the mobile phone 100 and the user's voice signal of the earphone jack of the mobile phone 100 It serves to transmit to.

The earphone / microphone selection circuit unit 270 is for switching when the user wants to talk by outputting the voice of the other party to the speaker 250 or the earphone 320. When making a call through the earphone 320, a secret call is possible in the hands-free function.

In the general hands-free function, the user may talk to the microphone 310 while listening to the other party through the speaker 250.

The voice signal transmitted from the mobile phone 100 is input to the analog / digital converter 220 through the signal receiving and transmitting unit 28 and the earphone / microphone selection circuit unit 270.

The analog / digital converter 220 converts an analog input signal into a digital signal and outputs the digital signal to the microcomputer 210. In this case, the microcomputer 210 may store the signal input by the signal of the function selection switch unit 225 input by the user in the memory unit 215, or may reproduce and output the signal stored in the memory unit 215. It is responsible for setting and changing various modes built into the device.

The AM / FM radio receiver 255 is controlled by the microcomputer 210 and outputs to the speaker 250 through the receiver 265 and the signal amplifier 245.

The function selection switch unit 225 is used to set and change a recording switch (not shown) used to record the call content, a playback switch (not shown) used to play the recorded call content, and various functions. It consists of a mode switch (not shown). Here, the mode switch provides a function of changing a time, a stop watch indicating a time that can be stored in a memory, a recording mode changing function, an alarm function, and the like.

The memory unit 215 has a capacity of 4M DRAM in a 1 M DRAM, and the maximum recording time is about 4 minutes per 1M DRAM.

The LCD display unit 230 displays the remaining time that can be recorded when the recording switch is turned on, and displays the current time or the alarm time in text by a mode switch (not shown).

The timer circuit unit 235 generates a clock pulse of a predetermined period when the recording switch is turned on, and calculates how much the recorded time is. The microcomputer 210 together with the LCD display 230 is provided. Controlled by

The digital / analog converter 240 converts the digital signal stored in the memory 215 or the signal output through the microcomputer 210 into an analog signal and outputs the analog signal to the signal amplifier 245.

The signal amplifying unit 245 amplifies the input signal and outputs a user's voice signal to the mobile phone 100 through the speaker 250 and the earphone / microphone selection circuit unit 270 or transmits the signal from the mobile phone 100. The voice signal of the counterpart is output to the earphone 320.

The power supply unit 260 is a place for supplying the necessary power to each of the circuits, using a 1.5V DC power supply.

Hereinafter, the operation of the microcomputer 210 of FIG. 3 will be described.

First, when the power is turned on (ON), the internal circuits of the call recording device 200 of the mobile phone are all in an initial state. Thereafter, when the user inputs the function selection switch 225, the microcomputer 210 detects whether a recording switch is input, a recording / playback switch is input, or a mode switch is input.

First, when the record switch is in the ON state, it detects whether the time when the record switch is pressed has passed 2 seconds. At this time, if the switch is pressed for 2 seconds or more, the contents recorded in the memory are deleted and returned to the initial state, and when the switch is pressed for less than 2 seconds, the voice signal of the other party is recorded in the memory.

If the recording switch is not ON, the microcomputer 210 detects whether the recording / playback switch is ON. If the recording / playback switch is ON, the microcomputer 210 stores the memory unit ( The voice signal stored in 215 is reproduced.

If the recording and playback switch is not ON, the microcomputer 210 detects whether the mode switch is ON.

In this case, when it is detected that the mode switch is pressed for less than 2 seconds, the microcomputer 210 performs a mobile phone call function and is represented by the LCD display 230. However, if the time the mode switch is pressed more than 2 seconds, the time is changed in the order of change, stopwatch, recording mode change, alarm set.

That is, in the time change mode, the time displayed on the LCD display 230 blinks to change the current time. When the mode switch is briefly pressed once in the time change mode, the stopwatch function is displayed on the LCD display 230. In addition, when the mode switch is briefly pressed once in the stopwatch function, a recording mode change indication is displayed on the LCD display 230. In addition, when the mode switch is briefly pressed once in the recording mode change, an alarm set function display is displayed on the LCD display 230.

In this case, when the input of the mode switch elapses for 10 seconds or more, the microcomputer 210 returns to an initial operation state.

As described above, according to the call recording apparatus of the mobile phone according to the present invention, a call recording apparatus capable of recording the contents of a mobile phone call in a memory is connected to the earphone terminal of the mobile phone, thereby making it possible to switch the call content of the mobile phone. The operation can be recorded in the memory, and also has a very good effect of playing back the contents recorded in the memory. You can also use your phone hands-free, and use the earphones to record the voice you need while talking.

In addition, various modifications, changes, additions, etc. will be possible within the spirit and scope of the present invention, and such modifications should be regarded as belonging to the following claims.

Claims (2)

Signal transmitting and receiving means for inputting a voice signal of the other party through the earphone jack of the mobile phone and transmitting the voice signal of the user to the mobile phone; Earphone / microphone switching means for the user to switch the voice of the other party to any one of the speaker and earphone and the signal transmission and reception means; A / D signal converting means for converting the signal input through the earphone / microphone switching means into a digital signal; Function selection input means for the user to select recording, recording playback, and function mode; A microcomputer for storing a signal output from the A / D signal conversion means by a signal of the function selection input means in a memory, reproducing the signal stored in the memory, and performing a plurality of built-in functions; Timer means controlled by the microcomputer and calculating a time for recording by generating a pulse signal of a predetermined period; Display means for expressing, by text, the time that can be recorded by the microcomputer and a plurality of built-in functions; D / A conversion means for converting the digital signal output from the microcomputer to an analog signal, Signal amplifying means for amplifying a signal input from the D / A converting means and outputting the amplified signal to the earphone / microphone switching means; Call recording apparatus of the mobile phone, characterized in that it comprises a power supply for supplying the power required for each circuit. The method of claim 1, And the memory is a DRAM having a capacity of 1 megabyte (M) to 4 megabytes (M).