KR19990003101A - A video communication system having a secure automatic reception mode and a control method thereof - Google Patents

Abstract

The present invention relates to a video communication system having a secure automatic reception mode and a control method thereof, comprising: a video communication system unit connected to a public transmission network to perform video communication between a caller and a called party, and security code information; And a security control unit for controlling the video communication system unit only when the security code information transmitted from the caller through the public transport network matches the stored security code information. Thus, in the case where the called party is absent or security is required through the secure automatic receiving mode of the video communication system, the caller inputs a security code according to the callee's video communication system's instruction, which is called by the called party's video communication system. It is possible to protect the information on the communication status of the called party by comparing the received and registered security codes with each other and by providing the caller with video and audio information on the called party's communication status only when they match.

Description

An image communication system having a secure automatic reception mode and a control method thereof.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video communication system and a method of controlling the same. Specifically, a security code is applied to an automatic receiving mode to protect video and audio information of a called party's communication situation, and a security code based on a caller's input is applied. A video communication system having a secure automatic reception mode for searching and controlling information transmission and a control method thereof.

In general, a video communication system is a communication device having a function of transmitting and receiving video and audio information. The video communication system converts a video signal received from a video input camera and a voice signal received from a voice input microphone into a digital signal, which is then converted into a digital signal. The device transmits and plays back to the other party through the same public transmission network.

Visual telephones, visual conference systems using personal computers or workstations, or personal digital assistants can be accessed via display devices using CRTs, LCDs, or plasmas. The caller and callee can be displayed and the status of the communication site can be displayed.

Therefore, in the case of using a video communication system, the communication status of the caller and the called party is displayed as an image and displayed to the other party, but on the other hand, the callee's information is unconditionally provided to the caller, thereby requiring a secret or Even if the caller should not see it, the caller's information is exposed unexpectedly. For example, in the automatic receiving mode of a video call, the caller is automatically connected in the absence and the caller's information is provided to the caller, or if the caller does not want the caller's information to be provided to the caller even if he or she is at home or at the office. You must activate to switch to manual receive mode, which requires you to pick up the handset to make a call.

As described above, the video communication system in the related art causes a problem in that video and audio information on the communication situation of the called party is exposed to the other party, whether or not the user (called party) desires it.

As described above, the present invention has been proposed to solve the above-mentioned problem, and includes a security code in an automatic reception mode of a video communication system and receives a predetermined security code from a caller and provides information accordingly. It is an object of the present invention to provide a video communication system having a reception mode.

1 is a block diagram showing a configuration of a video communication system having a secure automatic reception mode according to the present invention;

2 is a block diagram showing a detailed configuration of a video communication system according to an embodiment of the present invention shown in FIG.

3 is a flowchart showing a procedure for controlling video communication according to the secure automatic reception mode of the video communication system shown in FIG. 1;

Fig. 4 is a flowchart showing the operation procedure of the secure automatic reception mode setting routine shown in Fig. 3.

* Explanation of symbols on the main parts of the drawing

10: image processing unit 20: audio processing unit

30: key input unit 40: CPU

50: network interface 100: video communication system unit

110: security control unit 120: security code storage unit

According to one aspect of the present invention for achieving the above object, a video communication system having a secure automatic reception mode comprises: a video communication system unit connected to a public transport network to perform video communication between a caller and a called party; A security code storage unit for storing security code information; And a security control unit for controlling the video communication system unit only when the security code information transmitted from the caller through the public transmission network matches the stored security code information.

In a preferred embodiment of this aspect, the image communication system unit includes an image input camera and an image output display unit, and converts an image signal for information of the called party input through the camera into digital data to convert the image into an image. An image processing unit which provides an input unit and displays an image signal processed through the image output unit through the image output display unit; A voice processor which processes input and output of voice; A key input unit having a number input or a plurality of keys having a specific function; A CPU (or DSP); It includes a network interface for transmitting and receiving video and audio data over a public transport network.

In a preferred embodiment of this aspect, the video communication system unit includes function keys for setting and releasing a secure automatic reception mode and for modifying the stored security code.

In a preferred embodiment of this aspect, the security code storage unit adds to storing a voice message providing the caller to enter the security code.

In a preferred embodiment of this aspect, the security control unit adds controlling the message storage unit to read the voice message from the message storage unit when a call signal by the caller is received.

According to another aspect of the present invention, there is provided a method of controlling the video communication in a video communication system connected to a public transport network and performing video communication between a caller and a called party: a security code if there is a video communication connection request from the caller. Instructing the user to input a; Determining whether the input security code from the caller matches a predetermined registered security code; If the input security code matches the registered security code, controlling the video communication system to perform the video communication; If the input security code and the registered security code do not match, terminating the video communication.

In a preferred embodiment of this aspect, the step of instructing to input the security code includes: determining whether the secure automatic reception mode is received; If it is determined that the secure automatic reception mode is not included, making a call in a normal reception mode.

In a preferred embodiment of this aspect, the method includes: determining whether a secure automatic reception mode is set; Performing a secure automatic receiving mode setting routine.

In a preferred embodiment of this aspect, the performing of the secure automatic reception mode setting routine may include determining whether a secure automatic reception mode is selected, receiving a security code, and inputting a security code and a registered security code. Comparing the matching; if the input code matches the registered code; determining whether to modify the registered security code; and when modifying the registered security code, Receiving a code and registering it; setting a setting flag for setting the secure automatic reception mode; terminating the secure automatic reception mode; and when not wanting to select the secure automatic reception mode; Determining whether to release the mode and when the secure automatic reception mode is desired, And a step to reset him.

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

1 to 2 show a configuration of a video communication system including a novel security code storage unit according to an embodiment of the present invention.

Referring to FIG. 1, the video communication system includes a video communication system unit 100, a security code storage unit 110, and a security control unit 120.

The video communication system unit 100 is connected to the public transmission network to perform video communication between the caller and the called party.

The security code storage unit 110 stores security code information, and may add a voice message for instructing a caller to input the security code.

The security control unit 120 controls the video communication system unit 100 only when the security code information transmitted from the caller through the public transmission network matches the stored security code information.

Specifically, referring to FIG. 2, the video communication system is largely provided with an image processing unit 10, an audio processing unit 20, a key input unit 30, a CPU 40, and a network interface 50. Unit 100 and security code storage unit 110.

The image processing unit 10 includes an image input camera 12, an image input unit 14 for converting image information input therefrom, and providing it therein, an image output display unit 16 for displaying image information, and an image. And an output unit 18. It is responsible for the processing for image input and image output.

The voice processing unit 20 includes a voice output speaker 21 and a voice input microphone 24 to perform voice input / output, and a voice input / output handset 26 is configured to perform a phone call function. In addition, a selection switch 23 according to a function is provided to perform a corresponding switching function. In addition, the voice output unit 22 and the voice input unit 25 are provided to perform voice signal input / output with the inside.

The key input unit 30 includes a numeric key and a key having a specific function. For example, the key of the specific function includes an automatic reception mode setting key, an automatic reception mode release key, a security code modification key, and the like.

The CPU (or DSP) 40 may control the video communication system unit 100 and control a program to perform a secure automatic reception mode to perform a function of the security control unit 120.

Accordingly, the security control unit 120 controls the video communication system unit 100 only when the security code information transmitted from the caller through the public transmission network matches the stored security code information (DSP: Digital Signal). A processor) to perform the function, or may perform the function under the control of the CPU 40 included in the video communication system unit 100.

The network interface 50 transmits and receives video and audio data through wired or wireless.

The security code storage unit 110 stores a security code and a voice message indicating the security code input from the caller. It is also possible to add a program to control them. In addition, the security code storage unit 110 may be provided with a secure automatic reception mode setting flag.

Therefore, the video communication system includes a security automatic reception mode and a normal reception mode, and by checking the state of the security automatic reception mode setting flag by the program, registering and modifying a security code and selecting and canceling the security automatic reception mode Can perform the function of.

FIG. 3 is a diagram showing a control procedure of the video communication system having the secure automatic reception mode shown in FIG. 1, which shows a program to be executed in the security control unit 120, and the image from the caller to the called party. The procedure for controlling a communication connection is shown.

Referring to FIG. 3, if video communication is requested from the caller through the public transmission network in step S300, it is determined in step S302 whether the video communication system is in the secure automatic reception mode. If it is the secure automatic reception mode, the flow advances to step S304 to send a voice message to the caller instructing to input a security code. Subsequently, when a security code is input from the caller in step S306, in step S308 it is compared whether the registered security code matches the input security code. If the codes match, the process proceeds to step S310 to transmit video and audio information on the callee's communication status to the caller. If it is not the secure automatic reception mode in step S302, the flow advances to step S312 to perform video communication in the normal reception mode. If the input security code does not match the registered security code in step S308, video communication is terminated.

Next, FIG. 4 shows the operation procedure of the secure automatic reception mode setting routine 316 shown in FIG.

Referring to the figure, it is determined whether the secure automatic reception mode is selected in step S400, and if the secure automatic reception mode is selected, the flow proceeds to step S402. Herein, a security code is input from a user (caller), and in step S404, a comparison between the input security code and the registered security code is made. Subsequently, if the entered security code and the registered security code match, the flow advances to step S406 to determine whether to correct the security code. When it is desired to modify the registered security code, the process proceeds to step S408 to receive a new security code and register it. In step S410, the secure automatic reception mode setting flag is set and the automatic secure reception mode setting is terminated. In addition, if the secure automatic reception mode is not selected in step S400, the process proceeds to step S412 to determine whether to release the secure automatic reception mode. If it is desired to cancel the secure automatic reception mode, the flow advances to step S414 to reset the secure automatic reception mode setting flag and finish the automatic secure reception mode setting.

As described above, according to the present invention, only when the same code as the registered security code is received from the caller through the secure automatic reception mode of the video communication system, the user (p Information about the communication connection status of the caller) can be protected.

Claims (8)

In a video communication system having a secure automatic reception mode: A video communication system unit (100) connected to the public transport network to perform video communication between the caller and the called party; A security code storage unit 110 for storing security code information; And a security control unit (120) for controlling the video communication system unit (100) only when the security code information transmitted from the caller through the public transport network and the stored security code information are the same. system. The method of claim 1, And a message storage unit (110) for storing a voice message indicating to input the security code. The method of claim 2, The security control unit 120 is: And control the message storage unit (110) to read the voice message from the message storage unit (110) when a call signal by the caller is received. The method of claim 1, The video communication system unit 100 is: And function keys for setting and releasing a secure automatic reception mode and for modifying the stored security code. A method for controlling video communications in a video communications system connected to a public transport network and performing video communications between a caller and a called party: If there is a video call request from the caller, instructing to input a security code (S300, S304); Determining (308) whether the input security code from the caller matches a predetermined registered security code; If the input security code matches the registered security code, controlling the video communication system to perform the video communication; And terminating the video communication if the input security code and the registered security code do not coincide. The method of claim 5, Instructing the security code to enter: Determining whether it is a secure automatic reception mode (S302); If it is determined in the secure automatic reception mode, instructing to input the security code (S304); And if it is determined that it is not in the secure automatic reception mode, making a call in a normal reception mode (S312). The method of claim 5 or 6, Determining whether the secure automatic reception mode is set (S314); And performing a secure automatic reception mode setting routine (S316). The method of claim 7, wherein The step S316 of performing the secure automatic reception mode setting routine is: Determining whether a secure automatic reception mode is selected (S400); Receiving a security code and comparing the input security code with a registered security code (S402, S404); If the input code matches the registered code, determining whether to modify the registered security code (S406); When it is desired to modify the registered security code, receiving the corrected security code and registering it (S408); Setting a setting flag for setting the secure automatic reception mode and ending the secure automatic reception mode (S410); When it is not desired to select the secure automatic reception mode, determining whether to release the secure automatic reception mode (S412); And resetting the set flag (S414) when the security automatic reception mode is desired to be released.