KR100451047B1 - The Moving Picture and Sound Preservation System of the Video-phone - Google Patents

Abstract

The present invention relates to a video and audio preservation system and apparatus of a video phone, when the doorbell switch (2) of the outdoor unit (A) when going out receives the video information of the visitor from the camera, 20 ~ The audio information is received from the microphone for 30 seconds and stored in the video and audio storage memory (SRAM) 11 and 22, and the data is not erased even when the video and audio data stored in the video and audio storage memory 11 and 22 are turned off. The video and audio storage flash memory (12,23) consisting of non-volatile memory that is not stored, so that important data (video, audio data) is not lost in the event of power failure, so that the visitor of the visited in the absence It is a video and audio preservation system and apparatus of a video phone configured to be configured to be.

Description

Moving Picture and Sound Preservation System of the Video-phone}

The present invention relates to a video and audio preservation system and apparatus of a videophone, when the doorbell switch (2) of the outdoor unit (A) when going out receives the video information of the visitor from the camera, 20 ~ when the bell is pressed The audio information is received from the microphone for 30 seconds and stored in the video and audio storage memory (SRAM) 11 and 22, and the data is not erased even when the video and audio data stored in the video and audio storage memory 11 and 22 are turned off. The video and audio storage flash memory (12,23) consisting of non-volatile memory that is not stored, so that important data (video, audio data) is not lost in the event of power failure, so that the visitor of the visited in the absence It is a video and audio preservation system and apparatus of a video phone configured to be configured to be.

Nowadays, when society is highly industrialized, record keeping of home visitors is required, and preventive measures against domestic invasive crimes are needed.

Conventionally, in order to determine whether to open the door to the person who wants to visit the home by pressing the doorbell, first, the information of the visitor should be known. In most cases, the visitor's information is examined by looking at the visitor's body through the hole of the videophone or concave lens, or by identifying the visitor through voice.

However, in order to grasp the visitor's information, it is necessary to say "who" so that the internal personal information can be exposed directly or indirectly to the visitor. If the door is opened accidentally, there is no way to check the visitor's information. In addition, if the visitor comes out when you are out, you can not know who went, and if you are not a visitor can abuse it, the security measures were poor.

In order to solve the above problems, the Korean Patent Publication No. 1994-0002078 discloses a home room problem management apparatus through voice response and recording, which can perform the function of crime prevention while guiding and managing visitors through the doorbell. Described,

Republic of Korea Patent Publication No. 1997-0057840 discloses a multi-function video phone that allows the visitor and the outgoing user to record the message and check the recorded message through an external device and phone installed to increase the user's convenience Described,

The registered utility model publication No. 20-0290373 is a capture command generation unit for generating an image capture command and a control command is generated in the capture command generation unit, and captures one frame of a video image signal transmitted from a camera as a still image. A video phone configured to include a picture capturing unit and a memory unit for storing an image of one frame captured by the image capturing unit and having a camera built therein is described.

Korean Patent Laid-Open Publication No. 1996-0020527 discloses an outdoor apparatus including a camera for photographing an image of an outdoor person and a camera circuit unit having a function of modulating an image signal from the camera; An interphone having a videophone function, which has an indoor device including a monitor for receiving an image signal from a camera circuit unit of the outdoor device and outputting an image, is described.

Conventional techniques as described above are unable to simultaneously store the screen capture and audio, or the video information or audio signal of the person who visited the office during the power outage, the loss of video information or voice signal when the visitor can not check the appearance and voice of the problem have.

The present invention has been made to solve the above problems, when pressing the doorbell switch 2 of the outdoor unit (A) when going out receives the video information of the visitor from the camera, the microphone for 20 to 30 seconds at the time of pressing the bell Non-volatile data received from audio information stored in video and audio storage memory (SRAM) 11 and 22, and the data is not erased even when the video and audio data stored in the video and audio storage memory 11 and 22 are turned off Video and audio storage consisting of memory is re-stored in flash memory (12, 23) so that important data (video and audio data) are not lost in case of power failure, so that the visitor can be notified of the visit. That is the technical problem to be achieved by the present invention.

1 is a block diagram of a video and audio preservation system according to the present invention.

2 is a block diagram of a video and audio preservation apparatus according to the present invention.

3 is a system block diagram showing a path of video information according to the present invention;

4 is a system block diagram showing a path of voice information according to the present invention;

<Description of Major Codes in Drawings>

Camera (1), doorbell switch (2), microphone (3,40), speaker (4,26), A / D converter (10,20), image storage memory (SRAM) 11, image storage flash memory ( 12), D / A converters (13, 24), LCD monitor (14), SYNC processor (15), LOW-PASS filter (21), voice storage memory (22), voice storage flash memory (23), amplifier ( 25), microcomputer control unit 30, setting button 31, indoor unit (A), outdoor unit (B), image capture device (C)

In order to achieve the above object, the video and audio preservation system of the videophone according to the present invention comprises a setting step of selecting a member setting and playback setting through the setting button 31 configured in the indoor unit (B); An input step of receiving a video and audio signal (analog) through the camera 1 and the microphone 3 from the time when the visitor presses the doorbell switch 2 of the outdoor unit A when the member is set through the setting step; A first conversion step of converting a signal (analog) received through the input step into a digital signal through the A / D converters 10 and 20; A synchronization step of transmitting the digital video and audio signal converted through the first conversion step to the microcomputer control unit 30 and assigning a serial number to synchronize the video signal and the audio signal; A primary storage step of storing the digital video and audio signals assigned with serial numbers through the synchronization step in the video and audio storage memories 11 and 22; A secondary storage step of storing the video and audio storage flash memories 12 and 23 which are nonvolatile memories in order to prevent loss of important data (video and audio signals) during power failure through the primary storage step; A secondary conversion step of converting the digital data stored in the video and audio storage flash memories 12 and 23 through the secondary storage step into analog signals through the D / A converters 13 and 24; The analog video and audio signal converted through the secondary conversion step is configured to the LCD monitor 14 and the speaker 26, the output step,

The video and audio preservation apparatus of the videophone according to the present invention is connected to the video capture device (C) and the video capture device (C) for receiving a video signal formed by the camera (1) and the doorbell switch (2) An outdoor unit (A) comprising a microphone (3) receiving an input and a speaker (4) connected to the image capturing device (C);

A / D converters 10 and 20 connected to the image capturing device C of the outdoor unit A to convert analog signals received from the camera 1 and the microphone 3 into digital signals, and the A / D converters. A microcomputer control unit 30 connected to the transducers 10 and 20 to control synchronization of the video signal and the audio signal, and a video and audio storage memory connected to the microcomputer control unit 30 to store the video and audio signals ( 11,22, the video, audio storage memory (11,22) and the microcomputer control unit 30 is connected to the video, audio storage memory (11,22) to copy the contents stored in the video, audio storage flash Memory 12 and 23 and D / A converters 13 and 24 connected to the microcomputer control unit 30 to convert digital signals stored in the video and audio storage flash memories 12 and 23 into analog signals; An LCD monitor 14 and a speaker 26 connected to the D / A converters 13 and 24 to output converted video and audio signals; A setting button 31 connected to the microcomputer control unit 30 and operating a setting for going out and playing, and a microphone connected between the A / D converter 20 and the image capturing device C of the outdoor unit A; It consists of the indoor unit B comprised by 40).

According to the present invention configured as described above, the visitor stored in the nonvolatile memory and the video and audio stored in the nonvolatile memory by setting the setting button 31 configured in the indoor unit B even during a power failure, the video and audio The information can be checked to identify the visitor's identity and purpose.

Hereinafter, described in detail by the accompanying drawings as follows.

1 is a block diagram of a video and audio preservation system according to the present invention, FIG. 2 is a block diagram of a video and audio preservation apparatus according to the present invention, FIG. 3 is a system block diagram showing a path of video information according to the present invention, and FIG. 4 is a path of audio information according to the present invention. System block diagram, camera (1), doorbell switch (2), microphone (3, 40), speaker (4, 26), A / D converter (10, 20), image storage memory (SRAM) (11) Image storage flash memory (12), D / A converter (13, 24), LCD monitor (14), SYNC processor (15), LOW-PASS filter (21), voice storage memory (22), voice storage flash memory 23, an amplifier 25, a microcomputer control unit 30, a setting button 31, an indoor unit A, an outdoor unit B, and an image capturing device C are shown.

1 is an overall configuration diagram of a system capable of preserving video and audio signals of a visitor even during a power outage.

A setting step of selecting the member setting and the reproduction setting through the setting button 31 configured in the indoor unit B; An input step of receiving a video and audio signal (analog) through the camera 1 and the microphone 3 from the time when the visitor presses the doorbell switch 2 of the outdoor unit A when the member is set through the setting step; A first conversion step of converting a signal (analog) received through the input step into a digital signal through A / D converters 10 and 20; A synchronization step of transmitting the digital video and audio signal converted through the first conversion step to the microcomputer control unit 30 and assigning a serial number to synchronize the video signal and the audio signal; A primary storage step of storing the digital video and audio signals assigned with serial numbers through the synchronization step in the video and audio storage memories 11 and 22; A secondary storage step of storing the video and audio storage flash memories 12 and 23 which are nonvolatile memories in order to prevent loss of important data (video and audio signals) during power failure through the primary storage step; A secondary conversion step of converting the digital data stored in the video and audio storage flash memories 12 and 23 through the secondary storage step into analog signals through the D / A converters 13 and 24; The analog video and audio signal converted through the secondary conversion step is configured to output to the LCD monitor 14 and the speaker 26,

2 is a configuration diagram of a device capable of preserving a visitor's video and audio signals even during a power failure

An image capture device (C) for receiving an image signal formed by the camera (1) and the doorbell switch (2), a microphone (3) connected to the image capture device (C) to receive an audio signal, and the image capture device An outdoor unit (A) composed of a speaker (4) connected to (C);

A / D converters 10 and 20 connected to the image capturing device C of the outdoor unit A to convert analog signals received from the camera 1 and the microphone 3 into digital signals, and the A / D converters. A microcomputer control unit 30 connected to the transducers 10 and 20 to control synchronization of the video signal and the audio signal, and a video and audio storage memory connected to the microcomputer control unit 30 to store the video and audio signals ( 11,22, the video, audio storage memory (11,22) and the microcomputer control unit 30 is connected to the video, audio storage memory (11,22) to copy the contents stored in the video, audio storage flash Memory 12 and 23 and D / A converters 13 and 24 connected to the microcomputer control unit 30 to convert digital signals stored in the video and audio storage flash memories 12 and 23 into analog signals; An LCD monitor 14 and a speaker 26 connected to the D / A converters 13 and 24 to output converted video and audio signals; A setting button 31 connected to the microcomputer control unit 30 and operating a setting for going out and playing, and a microphone connected between the A / D converter 20 and the image capturing device C of the outdoor unit A; It consists of the indoor unit (B) consisting of 40),

3 is a system configuration diagram showing the path of the image information, wherein the analog image signal input through the camera 1 shows an A / D converter 10 converting an analog signal into a digital signal and the first start of a screen. When the SYNC processor 15 is synchronized to convert the digital video signal to be synchronized and input to the microcomputer control unit 30, the microcomputer control unit 30 is connected to the digital video signal by the microphone 3 ( 1 and 3), a serial number of 1 to 30 for synchronizing with the audio signal inputted through the voice signal is stored and stored in the image storage memory (SRAM) 11, and then the image storage memory (SRAM) ( The video signal stored in 11) is re-stored in the video storage flash memory 12 which is a nonvolatile memory whose data is not lost even in the case of power failure. The digital video signal stored in the image storage flash memory 12 through the microcomputer control unit 30 passes through a D / A converter 13 for converting a digital signal into an analog signal and is converted into an analog video signal to the indoor unit B. It is output to the installed LCD monitor 14,

In the process of being transmitted to the microcomputer control unit 30 via the A / D converter 10, the digital video signal converted through the A / D converter 10 is compressed using a conventional compression technique and apparatus. Is transmitted to the microcomputer control unit 30,

In the process of being transmitted to the LCD monitor 14 through the D / A converter 13, the analog video signal converted through the D / A converter 13 is converted to the original video using a conventional decompression technique And output to the LCD monitor 14.

Fig. 4 is a system configuration diagram showing the path of audio information. The analog video signal input through the microphone 3 is converted into a digital video signal through the A / D converter 20, and the frequency band is 20Hz to 2000Hz. When the microcomputer is passed through the LOW-PASS filter 21 for extracting the bay, the microcomputer controller 30 inputs the digital audio signal through the camera 1 (see FIGS. 1 and 2). A serial number of 1 to 30 for synchronizing with the video signal is assigned and stored in the audio storage memory (SRAM) 22, and then data is lost even when the audio signal stored in the audio storage memory 22 is lost. The voice storage flash memory 23, which is a nonvolatile memory, is not stored. The digital voice signal stored in the voice storage flash memory 23 through the microcomputer control unit 30 is converted into an analog voice signal through the D / A converter 24 and amplified by the amplifier 25 so that the speaker 26 Will be printed).

In the method of assigning serial numbers 1 to 30 of video and audio signals through the microcomputer control device 30, when a visitor presses the doorbell switch 2, the video signal is first inputted through the camera 1 to A / D converter. When the transfer to the microcomputer control unit 30 through the (10), the microcomputer control unit 30 is assigned to the serial number 1 to the received video signal and stored in the image storage memory 11, the image storage flash memory (12) ) And wait for 30 seconds after resave.

The voice signal input through the microphone 3 during the 30 second waiting time is compressed by passing through the LOW-PASS filter 21 through the A / D converter 20 to the voice signal through the microcomputer control device 30. The serial number 1 is given and stored in the voice storage memory 22, and copied and re-stored in the voice storage flash memory 23.

Each time a new visitor presses the doorbell switch 2, the serial number is increased through the microcomputer control device 30, and the above operation is repeated.

The system, which is carried out as described above, can store 30 seconds of audio for each of 30 images, and when checking the image, the microcomputer control unit 30 synchronizes the nth serial numbered audio signal and the nth serial numbered video signal. To control the output simultaneously.

When the user returns from the outside and checks the image through the setting button 31 configured in the indoor unit B, the microcomputer control unit 30 decreases the serial number assigned to the video and audio signals, thereby reducing the video and audio flash memory 12. The video and audio signals stored in 23 are output to the LCD monitor 14 and the speaker 26 through the D / A converters 13 and 24.

According to the present invention configured as described above, even in a power failure, the video and audio information of the visitor stored in the nonvolatile memory, the audio storage flash memory 12 and 23 can be confirmed, and thus the identity and purpose of the visitor can be confirmed.

As described above, the video and audio preservation system of the videophone according to the present invention receives the visitor's video information from the camera when pressing the doorbell switch 2 of the outdoor unit A when going out, and 20 to 30 at the time when the bell is pressed. The audio information is received from the microphone for a second, and is stored in the video and audio storage memory (SRAM) 11 and 22, and the data is not erased even when the video and audio data stored in the video and audio storage memory 11 and 22 are turned off. Video and audio storage consisting of non-volatile memory is re-stored in flash memory (12, 23) so that important data (video and audio data) are not lost during a power outage, so you can know the use of the visited person. You get an effect.

Claims (2)

A video and audio preservation system of a video phone, comprising: a setting step of selecting a member setting and a playback setting through a setting button 31 configured in an indoor unit B; An input step of receiving a video and audio signal (analog) through the camera 1 and the microphone 3 from the time when the visitor presses the doorbell switch 2 of the outdoor unit A when the member is set through the setting step; A first conversion step of converting a signal (analog) received through the input step into a digital signal through the A / D converters 10 and 20; A synchronization step of transmitting the digital video and audio signal converted through the first conversion step to the microcomputer control unit 30 and assigning a serial number to synchronize the video signal and the audio signal; A primary storage step of storing the digital video and audio signals assigned with serial numbers through the synchronization step in the video and audio storage memories 11 and 22; A secondary storage step of storing the video and audio storage flash memories 12 and 23 which are nonvolatile memories in order to prevent loss of important data (video and audio signals) during power failure through the primary storage step; A secondary conversion step of converting the digital data stored in the video and audio storage flash memories 12 and 23 through the secondary storage step into analog signals through the D / A converters 13 and 24; The video and audio preservation system of the video phone configured to output the analog video and audio signals converted through the secondary conversion step to the LCD monitor (14) and the speaker (26). In the video and audio preservation apparatus of the video phone, the video capture device (C) for receiving the video signal formed by the camera 1 and the doorbell switch (2) and the video capture device (C) is connected to input the audio signal An outdoor unit (A) comprising a receiving microphone (3) and a speaker (4) connected to the image capturing device (C); A / D converters 10 and 20 connected to the image capturing device C of the outdoor unit A to convert analog signals received from the camera 1 and the microphone 3 into digital signals, and the A / D converters. A microcomputer control unit 30 connected to the transducers 10 and 20 to control synchronization of the video signal and the audio signal, and a video and audio storage memory connected to the microcomputer control unit 30 to store the video and audio signals ( 11,22, the video, audio storage memory (11,22) and the microcomputer control unit 30 is connected to the video, audio storage memory (11,22) to copy the contents stored in the video, audio storage flash Memory 12 and 23 and D / A converters 13 and 24 connected to the microcomputer control unit 30 to convert digital signals stored in the video and audio storage flash memories 12 and 23 into analog signals; An LCD monitor 14 and a speaker 26 connected to the D / A converters 13 and 24 to output converted video and audio signals; A setting button 31 connected to the microcomputer control unit 30 and operating a setting for going out and playing, and a microphone connected between the A / D converter 20 and the image capturing device C of the outdoor unit A; Image and audio preservation apparatus of the video phone composed of the indoor unit (B) composed of 40).