KR100512271B1 - Device and processing method for recoding/playing visitor's picture in home automation system - Google Patents

Abstract

The present invention relates to a visitor image recording / playback apparatus and a control method thereof in a home auto terminal, and more particularly, an image signal input unit (100) for outputting a visitor image signal input from a camera; An image storage unit 200 storing a visitor image signal; The video recording / reproducing unit 300 converts the inputted visitor video signal into a digital storage and stores it in the video storage unit, while pressing the play button to retrieve the visitor video from the video storage unit, converts it into an analog, and outputs it to the video signal processing unit 300. ; An auxiliary memory unit 400 storing visitor video numbers and visit time data; A main control unit 500 which stores the visitor video number and the visit time data in the auxiliary memory unit during recording, and outputs an OSD signal of the visitor video number and the visit time in playback; And an image signal processor 600 superimposing the reproduced visitor image signal and the OSD number of the visited image number and the visit time on the LCD screen. By implementing a circuit using only one main control unit without using a separate character display element and time processing element, the device not only reduces the volume and production cost of the device, but also has an excellent effect of distributing home auto terminals to more users. .

Description

DEVICE AND PROCESSING METHOD FOR RECODING / PLAYING VISITOR'S PICTURE IN HOME AUTOMATION SYSTEM}

The present invention relates to a visitor image recording / playback apparatus and a control method thereof in a home auto terminal used in an apartment, a villa, and a townhouse. More particularly, the present invention stores a visitor's image in real time and provides a visitor image number and a visit time. When recording separately and later playing the visitor image, the main control unit overwrites the image number and visit time with OSD (On Screen Display) characters. The present invention relates to a visitor video recording / reproducing apparatus and a control method of the home auto terminal, which can reduce the volume and production cost of the home auto terminal by using no time processing element.

In general, the original Home Auto terminal has a function of making a call while viewing the visitor's video of the front door displayed on the liquid crystal display (LCD) screen, and automatically recording a video when a visitor arrives while away from home. There is an additional function that can be checked by playing back.

Therefore, all home automakers in Korea are using video recording / playback devices of the same vendor.In order to perform the function, the color camera image is stored in black and white and the video number and visit time are displayed together on the screen. For this purpose, a central processing element, a character display element and a time processing element were used.

In more detail, the conventional visitor image recording / playback apparatus includes a first module that displays a visitor image from the outside in real time to a user through an LCD screen and performs all the control of the home auto terminal;

The image number and visit time are superimposed on the visitor video signal inputted from the first module as an OSD signal, converted into digital signals, recorded in the video storage, and the corresponding video is stored in the video storage when playing the recorded visitor video. Each of the second modules, which are called out and converted to analog and outputted to the first module, are implemented in different independent configurations.

However, the visitor image recording / reproducing apparatus of the above-described conventional home auto terminal includes two modules each configured to display and store the visitor image in real time, and to store and reproduce the visitor image in real time. There was a problem that the production cost and volume inevitably increase or increase when implementing the auto terminal.

Another problem is that the existing method of superimposing the visitor's video signal and visit time information and storing it together in the video storage unit uses a text display device for English only in the case of a home auto terminal that already has an OSD (On Screen Display) function. As it was displayed in English, it was difficult for the user to easily understand.

Accordingly, the present invention has been made to solve the above-mentioned conventional problems, and an object of the present invention is to store the visitor's video in real time and record the visitor video number and the visit time in a separate auxiliary memory, and later record the visitor video. Home Auto Terminal to reduce the volume and production cost of the terminal by not using a separate central processing element, text display element and time processing element by adopting the method that the main control unit overwrites the video number and visit time with OSD characters during playback. It is to provide a visitor video recording / playback apparatus and a control method thereof.

Still another object is a visitor image recording / playback apparatus in a home auto terminal for displaying visitor image numbers and visit times displayed on an LCD screen using Korean, English, and graphic fonts of bitmap shapes; It is to provide a control method.

In order to achieve the above object, the visitor video recording / reproducing apparatus of the present invention includes a key input unit, an LCD control unit, an LCD panel unit, a power supply unit, and a battery power supply unit. ,

A video signal input unit for outputting a visitor video signal input from a camera;

An image storage unit which stores the visitor image signal in the SDRAM memory;

When the visitor video signal is received from the video signal input unit, the video signal is stored (recorded) in the video storage unit, and when a "playback signal" for playing the stored visitor video is input, the corresponding visitor video is read from the video storage unit. An image recording / reproducing unit which outputs to the image signal processing unit;

An auxiliary memory unit for storing visitor image numbers and visit time data;

Storing the visitor video number and visit time data in the auxiliary memory unit so as to correspond to the visitor video signal stored in the video storage unit, and outputting an OSD signal of the visitor video number and visit time corresponding to the visited video signal to be reproduced. A main controller for outputting a reproduction signal input through a key input unit to the image recording / reproducing unit; And

A video signal processing unit which receives a visitor video signal from the video recording / reproducing unit and simultaneously receives a visitor video number and an OSD signal of a visit time from the main control unit, and superimposes the signals to reproduce (display) the user through an LCD screen. Characterized in that consisting of.

In order to achieve the above object, the recording method of the visitor video recording / playback apparatus according to the present invention includes a call sound for 30 seconds when the main control unit receives a call from the visitor, and at the same time the visitor inputs through the video signal input unit. Step 110 of displaying an image in real time;

Step 120 in which the video recording / reproducing unit stores (records) the visitor video signal input through the video signal input unit under the control of the main controller; And

In step 130, the main controller stores the video number and the visit time data corresponding to the visitor video signal stored in the video storage unit in the auxiliary memory unit.

In order to achieve the above object, the playback method of the visitor image recording / reproducing apparatus of the present invention includes the control of the main controller when the user selects the "play" function through the key input unit to play the recorded visitor image. (210) outputting the video signal stored (recorded) in the video recording / reproducing section to the video signal processing section;

Step 220, wherein the main controller reads an image number and a visit time data corresponding to the visited image reproduced from the auxiliary memory unit and outputs an OSD signal to the image signal processor; And

Step 230, the image signal processing unit superimposing the video signal input from the video recording / reproducing unit with the video number input from the main control unit and the OSD signal of the visit time under the control of the main control unit to reproduce (display) the user; Characterized in that consisting of.

Hereinafter, a visitor image recording / playback apparatus and a method of controlling the same in a home auto terminal according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a functional block diagram of a visitor video recording / playback apparatus in a home auto terminal according to an embodiment of the present invention. The visitor video recording / playback apparatus in a home auto terminal according to an embodiment of the present invention provides a video signal. The input unit 100, the image recording / playback unit 200, the image storage unit 300, the auxiliary memory unit 400, the main control unit 500 and the image signal processing unit 600, the key input unit 10 In addition, the LCD control unit 20, the LCD panel unit 30, the power supply unit 40 and the battery power supply unit 50 is further included.

The video signal input unit 100 outputs the visitor video signal to the video signal processing unit 600 and the video recording / reproducing unit 200 when a visitor video signal is input from a camera (not shown).

In addition, when the video recording / reproducing unit 200 receives the visitor video signal from the video signal input unit 100, the video recording / reproducing unit 200 outputs the video signal to the video storage unit 300 and stores (records) the video signal storage unit 300. When a "playback signal" for playing the visitor image stored in the user is input through the key input unit 10, the corresponding visitor image is read from the image storage unit 300 and output to the image signal processing unit 600. It plays a role.

The video storage unit 300 stores the visitor video signal input from the video recording / reproducing unit 200. At this time, the visitor image signal stored (recorded) in the image storage unit 300 is refreshed by the image recording / reproducing unit 200.

In addition, the auxiliary memory unit 400 serves to store visitor image numbers and visit time data using an electrically erasable programmable read-only memory (EEPROM).

The main controller 500 outputs and stores the visitor video number and visit time data to the auxiliary memory unit 400 so as to correspond to the visitor video signal stored in the image storage unit 300, and reproduces the visitor to be reproduced. The visitor image number and visit time data corresponding to the image signal are read from the auxiliary memory unit 400 to output the OSD signal to the image signal processor 600. In addition, the main control unit 500 performs all the control on the home auto terminal by a pre-stored program, and has a font memory (hereinafter referred to as "memory") and a display memory therein so that a bit can be set by a program The font is designed as a map and the screen coordinates are assigned to the display memory to output the font of the bitmap to the image signal processor 600 at a desired address.

In addition, the video signal processing unit 600 reproduces the visitor video signal from the video recording / reproducing unit 200 and at the same time overlaps the OSD signal of the visitor video number read from the auxiliary memory 400 and the visit time. Plays (displays) the user through the screen. The video signal processor 600 displays a user's video signal from the video signal input unit 100 to the user through the LCD panel 30 in real time, and the LCD controller 20 It receives the composite synchronization frequency from the image signal processing unit 600 and outputs vertical and horizontal synchronization frequencies to the main control unit 500 again, and outputs various control signals to the LCD panel unit 30 to control them.

In addition, the power supply unit 40 uses a switching circuit from an AC (Alternating Current; hereinafter "AC") input power source to make a DC (Direct Current; hereinafter, "DC") power required for the entire circuit. It converts to high voltage AC using a switching element at + 12V and supplies it to the fluorescent lamp of the LCD panel unit 30.

In addition, the battery power supply unit 50 uses the 3.6V (Volt) nickel-metal hydride battery to prevent the image signal stored in the power failure state from which the main power is turned off, to the image recording / reproducing unit 200 and the image storing unit 300. Each serves to supply battery power.

Next, a visitor video recording method in a home auto terminal according to an embodiment of the present invention having the above configuration will be described with reference to FIG. 3.

First, when a call comes in from a visitor in the "outdoor security" operating state of the home auto terminal, the main controller 500 generates a call sound for 30 seconds and simultaneously displays the visitor's image input through the video signal input unit 100. Display in real time on the LCD screen (S110).

Subsequently, the image recording / reproducing unit 200 stores (records) the visitor image signal input through the image signal input unit 100 under the control of the main controller 500 in the image storage unit 300. (S120). At this time, the image recording / reproducing unit 200 stores the visitor image signals in order in the image storage unit 300 one by one, and determines whether the memory of the image storage unit 300 is full. If there is no free space, the memory address is initialized to the initial position.

The main controller 500 stores the visitor image number and visit time data corresponding to the visitor image signal stored (recorded) in the image storage unit 300 in the auxiliary memory unit 400 (S130).

Next, a method of playing a visitor image in a home auto terminal according to an embodiment of the present invention having the above configuration will be described with reference to FIG. 4.

First, when the user selects the "play" function through the key input unit 10 to play the recorded visitor image, the image recording / reproducing unit 200 is controlled by the main controller 500. The visitor image signal stored (recorded) in the image storage unit 300 is output to the image signal processing unit 600 (S210). At this time, when the user selects the "door open" button to play the stored visitor image as shown in FIG. 2, the key input unit 10 stores the stored visitor image, image number, and visit time by the following method. To the user, in addition to the "door" button to "record" function, the "voice memo" button to "clear" function, to perform or return to the video recording / playback of visitors coming out There is a "Visitor check" button which serves as a "home" function.

At the same time, the main controller 500 reads the visitor image number and the visit time data corresponding to the reproduced visitor image from the auxiliary memory unit 400, and then converts them into OSD signals of Korean, English, and picture fonts in the form of bitmaps. In operation S220, the image signal processor 600 outputs the image signal to the image signal processor 600.

Subsequently, the video signal processing unit 600 controls the visitor video signal input from the video recording / reproducing unit 200 and the video number and visit time input from the main control unit 500 under the control of the main control unit 500. The OSD signal is superimposed and reproduced (displayed) to the user through the LCD panel unit 30 (S230). In this case, as shown in FIG. 2, the playback screen of the visitor image is displayed with a video number on the left of the LCD screen and visit time information on the upper right.

As described above, according to the visitor video recording / playback apparatus and control method thereof in the home auto terminal according to the present invention, the configuration of the visitor video recording / playback apparatus does not use a single character display element and time processing element. Implementing the circuit using only the main control unit not only reduces the volume and production cost of the device, but also has an excellent effect of distributing home auto terminals to more users.

1 is a functional block diagram showing the configuration of a visitor video recording / playback apparatus in a home auto terminal according to an embodiment of the present invention;

2 is a view showing the shape and operation screen of the key input unit when playing the visitor image in the home auto terminal according to an embodiment of the present invention;

3 is a flowchart illustrating a visitor video recording method in a home auto terminal according to an embodiment of the present invention;

4 is a flowchart illustrating a method of playing a visitor image in a home auto terminal according to an embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

10: key input unit 20: LCD control unit

30: LCD panel portion 40: power supply

50: battery power supply unit 100: video signal input unit

200: video recording / playback unit 300: video storage unit

400: auxiliary memory unit 500: main control unit

600: image signal processing unit

Claims (4)

In the visitor video recording / reproducing apparatus of the home auto terminal is provided to process the visitor video signal input from the camera, and provided with a key input unit, LCD control unit, LCD panel unit, power supply unit, battery power source, A video signal input unit for outputting a visitor video signal input from a camera; An image storage unit which stores the visitor image signal in the SDRAM memory; When the visitor video signal is received from the video signal input unit, the video signal is stored (recorded) in the video storage unit, and when a "playback signal" for playing the stored visitor video is input, the corresponding visitor video is read from the video storage unit. An image recording / reproducing unit which outputs to the image signal processing unit; An auxiliary memory unit for storing visitor image numbers and visit time data corresponding to information for storing the original signal of the visitor image input from the outside during recording in the image storage unit; Storing the visitor video number and visit time data in the auxiliary memory unit so as to correspond to the visitor video signal stored in the video storage unit, and outputting an OSD signal of the visitor video number and visit time corresponding to the visited video signal to be reproduced. A main controller for outputting a reproduction signal input through a key input unit to the image recording / reproducing unit; And A video signal processing unit which receives a visitor video signal from the video recording / reproducing unit and simultaneously receives a visitor video number and an OSD signal of a visit time from the main control unit, and superimposes the signals to reproduce (display) the user through an LCD screen. Visitor video recording / playback device in a home auto terminal, characterized in that consisting of. delete In the visitor video recording method using a video recording / playback device of the home auto terminal provided to process the visitor video signal input from the camera, the key input unit, LCD control unit, LCD panel unit, power supply unit, battery power source, Step 110, when the call is received from the visitor, the main controller generates a ring tone for 30 seconds and simultaneously displays the visitor's image input through the video signal input unit; Step 120 in which the video recording / reproducing unit stores (records) the visitor video signal input through the video signal input unit under the control of the main controller; And In step 130, the main controller stores the video number and the visit time data corresponding to the visitor video signal stored (recorded) in the video storage unit in the auxiliary memory unit. Way. In the visitor video reproduction method using the video recording / playback device of the home auto terminal provided to process the visitor video signal input from the camera, the key input unit, LCD control unit, LCD panel unit, power supply unit, battery power supply, When the user selects the "play" function through the key input unit to play the recorded visitor image, the video signal stored in the video storage unit (recorded) in the video storage unit is controlled by the main control unit. Outputting a 210 th step; Step 220, wherein the main controller reads an image number and a visit time data corresponding to the visited image reproduced from the auxiliary memory unit and outputs an OSD signal to the image signal processor; And Step 230, the image signal processing unit superimposing the video signal input from the video recording / reproducing unit with the video number input from the main control unit and the OSD signal of the visit time under the control of the main control unit to reproduce (display) the user; Visitor image playback method in a home auto terminal, characterized in that consisting of.