KR20000037645A - Method for storing and playing communication content using video cassette recorder - Google Patents

Abstract

PURPOSE: A method for storing and playing a communication content with a video cassette recorder is provided to verify as a foundation of communication by storing an audio signal flowed from a telephone line in the video cassette recorder at a data communication using a modem. CONSTITUTION: A detecting unit of recording/playing signal(320) feeds a detecting signal of recording to a microcomputer(330) when a certain signal to record is detected among an audio signal fed through a telephone line. The microcomputer(330) converts to an audio recording mode based on the detecting signal of recording. The microcomputer(330) feeds the audio signal fed from a joining unit(310) to a processing unit of audio recording(350). And the microcomputer converts to a recording mode by controlling a deck unit(360). The audio signal is fed to the processing unit of audio recording(350) by passing the switching unit(340). The processing unit of audio recording(350) outputs to a deck unit(360) by processing the audio signal as a signal to be able to record. The deck unit(360) records the audio signal in an audio track of a video cassette tape.

Description

A method for recording and playing communication content using Hi-Fi VCR

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of storing communication contents using a video cassette recorder. In particular, the present invention relates to a video cassette recorder so that communication contents can be checked later when data communication is performed by connecting to a predetermined data communication network through a trunk line using a computer connected to a modem. The present invention relates to a method of storing and playing back communication contents using a video cassette recorder.

In general, a computer 20 having a modem 21 connected to a telephone 10 as shown in FIG. 1 to perform a telephone communication through a telephone line drawn from a telephone station connected through a subscriber line of an exchange 30, or having a modem 21. It is connected to communication equipment such as) to perform data communication.

On the other hand, when performing data communication using the computer 20 having the modem 21, a specific host of the data communication network via the modem 21 and the switch 30 based on a predetermined communication program in the computer 20. (For example, Cheon Lian, Hitel, and Internet server) to perform data communication. In order to store the communication contents, a text or image screen such as a capture function is used to display a data screen in HTML format, for example, on the Internet. It only saves on a screen basis.

At this time, there is a limit on the memory limit of the computer 20 or the capacity of the hard disk, which is a storage medium of the computer 20, and there is a problem that cannot solve the time problem based on such a storage process during data communication.

On the other hand, the signal transmitted and received through the telephone line uses an audible frequency band of less than 10KHz, the audio signal frequency characteristics of the video cassette recorder, in particular the hi-fi video cassette recorder uses a 20Hz to 20KHz band.

Therefore, in the present invention, the level of the audio signal received through the telephone line during data communication is used as it is, stored in the video cassette recorder, and used as a basis for communication security or communication, and later reproduced in case of problem to reproduce the communication situation at that time. I want to find a way to do it.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and an object thereof is to store an audio signal coming from a telephone line during data communication using a modem in a video cassette recorder so that it can be confirmed later as a communication basis. It is to provide a method for storing and reproducing communication contents by using.

1 is a hardware block diagram for computer communication using a general modem.

2 is a hardware block diagram of a video cassette recorder and a computer communication device employed in accordance with the present invention.

3 is a flowchart illustrating a process of storing and reproducing communication contents using a video cassette recorder according to the present invention.

<Explanation of symbols for main parts of drawing>

100: modem 200: computer

300: video cassette recorder 310: matching unit

320: recording / playback signal detector 330: microcomputer

340: switch unit 350: audio recording processing unit

360: deck unit 370: audio playback processing unit

A method for storing communication contents using a video cassette recorder according to the present invention is a method for storing communication contents in a video cassette recorder including a modem and a computer, the external audio jack being connected in parallel with the modem connected to a telephone line. Determining whether a predetermined signal for recording is detected from the audio signal applied through the step, and if the predetermined signal for recording is detected, storing the audio signal applied through the telephone line in the hi-fi audio track of the video cassette recorder; Determining whether a predetermined signal for reproduction applied from the modem is detected through the audio jack; and when a predetermined signal for reproduction is detected, reproducing an audio signal stored in a hi-fi audio track to play the modem through the audio jack. Step to output Characterized by the yirueojim hereinafter.

The above objects and various advantages of the present invention will become more apparent from the preferred embodiments of the invention described below with reference to the accompanying drawings by those skilled in the art.

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

2 is a hardware block diagram of a video cassette recorder and a computer communication device employed in accordance with the present invention, which is comprised of a modem 100, a computer 200 and a video cassette recorder 300, wherein the video cassette recorder 300 is And a matching unit 310, a recording / playback signal detector 320, a microcomputer 330, a switch unit 340, an audio recording processor 350, a deck unit 360 and an audio reproduction processor 370. .

In this configuration, the modem 100 is a modulation and demodulation device for interfacing with a telephone line to perform communication over the telephone line, and the computer 200 is connected to a desired host through the modem 100 to the host and the data network through the host. A predetermined communication program for performing data communication with another connected host server is built in, and includes a keyboard for performing and controlling such a communication operation and a monitor for displaying communication contents.

The video cassette recorder 300 is a video cassette recorder capable of processing hi-fi audio. The video cassette recorder 300 is connected to the modem 100 to share a telephone line, and the matching unit 310 connected to an audio jack has an impedance with the telephone line. Performs an interface function that performs matching.

In addition, the recording / playback signal detector 320 detects a predetermined signal for recording or playback from an audio signal applied through the audio jack and the matching unit 310 from the modem 100 sharing the telephone line, The detected signal is applied to the microcomputer 330 which will be described later.

The microcomputer 330 is a means for controlling the overall operation of the video cassette recorder. When a predetermined signal for recording is applied from the recording / playback signal detector 320, the microcomputer 330 controls the switch unit 340 to match the matching unit 310. After switching the audio signal, that is, the data communication signal, applied from the audio recording processing unit 350 to the audio recording processing unit 350, the deck unit 360 is controlled to record and control the hi-fi audio track of the video cassette tape, and the recording / playback signal detecting unit ( When a predetermined signal for reproduction is applied from 320, the switch unit 340 is controlled to switch the output of the audio reproduction processor 370 to be applied to the matching unit 310, and then the deck unit 360 is controlled to control the video. The cassette tape reproduces the audio signal recorded on the hi-fi audio track, that is, the data communication contents, and controls the output.

The switch unit 340 is selectively switched under the control of the microcomputer 330 to apply an audio signal from the matching unit 310 to the audio recording processing unit 350 or to output the audio signal from the audio reproduction processing unit 370. The reproduced audio signal is applied to the matching unit 310.

In addition, the audio recording processing unit 350 filters and hi-fi audio amplifies the audio signal applied from the switch unit 340 and outputs the audio signal.

Meanwhile, the deck unit 360 loads and unloads (unloads) a capstan motor for rotating the video head, the audio head and the video tape, a drum mode for rotating the drum provided with the video head and the audio head, and a video cassette tape. A deck mechanism and servo control means for recording the audio signal applied from the audio recording processing unit 350 to the audio track of the video cassette tape using the audio head or under the control of the microcomputer 330, or the microcomputer 330. The audio signal recorded on the audio track of the video cassette tape is reproduced by using the audio head under the control of the audio cassette, and the reproduced audio signal is applied to the audio reproduction processor 370 described later.

The audio reproduction processor 370 reproduces and applies an audio signal reproduced from the audio head of the deck unit 360 to the switch unit 340.

Next, the video cassette recorder having the above-described configuration in which the telephone line and the modem are shared will be described in detail with reference to the flowchart of FIG. 3 attached to the communication content storing and reproducing process using the video cassette recorder according to the present invention.

First, a user activates a predetermined communication program to operate a keyboard of the computer 200, and then controls a modem 100 connected to the serial interface of the computer 200 to perform an internet network or a specific data communication service through a telephone line. You will be connected to the server.

At this time, if the connection is normally completed, the computer 200 outputs a predetermined signal for recording communication contents through the modem 100, and the signal is matched through an audio jack of the video cassette recorder 300. 310 is applied.

In this case, the matching unit 310 performs impedance matching with the telephone line, and a predetermined signal for recording applied from the matching unit 310 is applied to the recording / reproducing signal detector 320.

Accordingly, the recording / reproducing signal detector 320 eventually applies the recording detection signal to the microcomputer 330 when a predetermined signal for recording is detected from the audio signal applied through the telephone line.

Then, the microcomputer 330 switches to the audio recording mode based on the recording detection signal applied from the recording / playback signal detecting unit 320, and the microcomputer 330 controls the switch unit 340 to match the matching unit 310. After switching control so that the audio signal applied from the audio recording processing unit 350 is applied, the deck unit 360 is controlled to switch to the recording mode.

Then, the audio signal applied from the matching unit 310 is applied to the audio recording processing unit 350 via the switch unit 340, and the audio recording processing unit 350 is an audio signal applied from the switch unit 340, that is, a telephone line. The communication content applied through the signal is processed as a recordable signal and output to the deck unit 360.

Accordingly, the deck unit 360 records the audio signal applied from the audio recording processing unit 350 to the audio track of the video cassette tape.

At this time, since the frequency band of the audio signal through the telephone line is within 10KHz, the video cassette recorder having the audio frequency band up to 20KHz band according to the Hi-Fi audio characteristic can record the audio signal level received through the telephone line in the audio track as it is. do.

On the other hand, after the communication contents are recorded on the video cassette tape through the above-described process, the user manipulates the keyboard of the computer 200 again to confirm the communication use state.

At this time, the computer 200 outputs a predetermined signal for reproducing the communication content to the telephone line through the modem 100 without the need of forming a call loop with an exchange connected to the telephone line.

Then, the predetermined signal for reproduction is applied to the recording / playback signal detector 320 through an audio jack of the video cassette recorder based on the impedance matching operation of the matching unit 310.

In this case, the recording / playback signal detector 320 detects a predetermined signal for playback applied through the modem 100, an audio jack, and a matching unit 310, and detects the predetermined playback with the microcomputer 330. Apply a signal.

Therefore, when the playback detection signal is applied from the recording / playback signal detector 320, the microcomputer 330 switches to the playback mode and controls the switch unit 340 to match the playback audio signal applied from the audio playback processor 370. Control to be transmitted to (310).

Next, the deck unit 360 is controlled to switch to the audio playback mode. Then, the deck unit 360 is transferred to the playback mode under the control of the microcomputer 300 in the audio track of the loaded video cassette tape. The read audio signal is output to the audio reproduction processor 37.

Then, the audio reproduction processor 370 amplifies the audio signal read from the audio head of the deck unit 360 and applies it to the modem 100 through the audio jack and matching unit 310.

Therefore, the user can check the communication contents stored in the video cassette tape applied through the modem 100 offline by the monitor of the computer 200.

That is, the audio signal of telephone line format applied through the communication line when performing communication such as Internet communication using the modem 100 connected to the computer 100 is recorded and reproduced on the video cassette tape using the video cassette recorder 300. It will be possible to check the status of the communication in the future.

Those skilled in the art will appreciate that various changes and modifications can be made without departing from the spirit of the present invention.

As described above, according to the present invention, by using the dial-up modem connected to the telephone line, the audio signal of the telephone line signal standard received through the telephone line during the computer communication, that is, the communication contents are stored in the video cassette tape, thereby making the communication use situation later. There is an effect that you can check conveniently.

Claims (1)

A method for storing the contents of communication in a computer communication device including a modem and a computer in a video cassette recorder, Determining whether a predetermined signal for recording is detected in an audio signal applied through an external audio jack connected in parallel with the modem to which a telephone line is connected; Storing an audio signal applied through a telephone line in a hi-fi audio track of a video cassette recorder when a predetermined signal for recording is detected; Determining whether a predetermined signal for reproduction applied from the modem is detected through the audio jack; And reproducing an audio signal stored in a hi-fi audio track and outputting the audio signal stored in a hi-fi audio track to a modem through the audio jack when a predetermined signal for reproduction is detected.