KR100274691B1 - Multi fundtion video phone apparatus - Google Patents

Abstract

PURPOSE: A multi-function video phone device is provided to reduce the size of the device and the power consumption by using a thin display device instead of a conventional CRT. CONSTITUTION: A multi-function video phone device includes an outdoor device having a transceiver(31), a camera(33) and a call generator(35) including a doorbell switch, and an indoor device(5) having a transceiver(51), a display(53) and a system controller(57). The outdoor device(3) further includes an infrared rays sensor(37). The system controller(57) includes an image memory(573), a voice memory(575) and a digital signal processor(DSP)(577). The DSP(577) controls image information and voice information inputted via the camera(33) and the transceiver(31) to be written in the image memory(573) and the voice memory(575), if a visitor doorbell operation signal is not inputted from the call generator(577) within a given time with the visitor received a sensing signal via the infrared rays sensor(37) and if the visitor is sensed by the infrared ray sensor(37) with an absence set condition of a resident.

Description

Multifunction videophone device

The present invention relates to a multi-function video phone device, and more specifically, it is possible to record automatically according to the environment outside the door and to enhance the security function to cope with intruders, and also serves as a video telephone, through the telephone line, bank, securities, aviation The present invention relates to a multifunction video phone device having a function of being connected to a comprehensive information communication network such as to receive various services.

As is well known, video phones can be distinguished from outdoor units installed in furniture doors and indoor units installed indoors. The outdoor unit is provided with a camera, a handset, and a doorbell switch, and the indoor unit is equipped with a handset, a display, a door lock release switch, and various switches for setting a security function, so that a residential person can make a call while checking a visitor's image on a display. Make sure

It is already known that such a video phone device is connected to a large-capacity frame memory such as a magnetic tape and a digital video disc (DVD) device in an indoor unit, so that video information can be recorded in a condition such as in the absence of a resident. This absence recording function is to be set by the homeowner through the security function setting switch before going out.

In addition, as a video phone device installed in a common house such as an apartment, as described above, in addition to the outdoor unit installed in the door, a camera is further installed in an elevator, a parking lot, and the like. A collection management system for selecting image information of a parking lot and acquiring it for each household is implemented.

However, in the above-described conventional video phone apparatus, as the CRT is adopted as a display for reproducing image information, the volume of the entire video phone is increased and power consumption is increased. This is not only due to the characteristics and specifications of the CRT itself, but also requires the processing of vertical and horizontal synchronization signals, so that many circuits must be provided to support the CRT, which increases the overall volume and power consumption of the video phone device. I have a problem.

In addition, the conventional video phone apparatus may be configured to continuously record video information at the time of member setting. As the video information is recorded, the video phone device is continuously recorded in the frame memory in order of acquiring vast video information in the system configuration. If the capacity of the frame memory is exceeded, it is not efficient to manage the memory such as no more video information can be recorded, and the frequency of use of the bus is increased for the continuous storage of the video information. do.

In addition, the conventional video phone device has a problem that if the visitor intentionally damages the camera or blocks the lens part, there is no means to alert the user, and thus it is difficult to cope with the planned intrusion. The damage will be caused by damage to the device since it will not be possible to catch the offender on site after it has already been damaged.

The present invention devised to solve such a conventional problem is to replace the display that was previously used CRT with a thin flat panel display to reduce the overall volume and power consumption, and only when the visitor approaches in the absence of the residential The purpose is to provide a multi-function video phone device that can record video and audio information to reduce the waste of memory, and to check the suspicious behavior of visitors in the residential homes. Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of the present invention

2 is a flowchart illustrating the operation of the present invention with a focus on the system controller.

3 is a circuit diagram mainly showing a system controller according to a first embodiment of the present invention;

4 is a circuit diagram showing a second embodiment of the present invention;

* Description of the symbols for the main parts of the drawings *

3: outdoor unit 5: indoor unit

31: Handset 33: Camera

35: call generator 37: infrared sensor

51: handset 53: display

55: alarm output means 57: system controller

551: communication means 573: image memory

575: Voice memory 577: DSP

A, B: Video line, Audio line U11, U12: A / D converter

U13: D / A Converter U21, U22: A / D Converter

U23, 24: D / A converter AS1 to AS4: Analog switch element

DVD: Digital Video Disc PN: Video Phone Connection

ISDN: Integrated Telecommunications Network MC: Microphone

SP: Speaker T: Timer

AMP1 to AMP3: Amplifier Buf1: Buffer

PC1: Photocoupler MUX: Multiplexer

1 is a block diagram of the present invention. Referring to FIG. 1, an outdoor unit 3 including a handset 31, a camera 33, and a call generator 35 including a doorbell switch, and a handset 51 is shown. And a video phone device consisting of an indoor unit (5) with a display (53) and a system controller (57), wherein the outdoor unit (3) further comprises an infrared sensor (37). The controller 57 includes a video memory 573, an audio memory 575, and a DSP (Digital Signal Processing Processor) 577. The DSP 577 transmits a visitor detection signal through the infrared sensor 37. When the visitor operation signal is not input from the call generating unit 35 within a predetermined time in the input state, and when the visitor is detected by the infrared sensor 37 in the absence setting condition of the resident, the camera is determined and determined Via 33 and handset 31 The control controls to record the video information and the audio information to the video memory 573 and the audio memory 575, respectively.

Here, the absence setting condition of the homeowner is a well-known technology that can be set through the switch for setting the security function as described in the description of the conventional video phone device will be easily understood by the art of the art, Detailed description will be omitted.

In the present invention as described above, the visitor does not press the doorbell switch of the call generation unit 35 installed in the door to the call generation unit 35 of the outdoor unit 3, and stands in front of the door and leans around or looks around. In this case, the video information and audio information thereof are stored in the video memory 573 and the audio memory 575 so that they can be reproduced later.

The present invention also sends an alarm command when the image information is not normally input from the camera 33 while the visitor detection signal is input from the infrared sensor 37 to the DSP 577 of the system controller 57 described above. Logic can be added to further control.

The alarm command of the system controller 57 is output to the communication means 551 for performing external transmission according to the user setting or output through the alarm output means 55 provided in the indoor unit 5, in particular, When the absence is set, it is preferable to configure the external communication to dial a preset telephone number and to generate an alarm sound when the tenant is resident. However, the above two functions are performed when the tenant is absent. You may. Here, the communication means 551 transmits an alarm signal to the portable communication device of a residential person who goes out and the indoor unit 5 of the video phone device held in a security room or a neighboring house.

Therefore, when the visitor intentionally interferes with the acquisition of the image information of the camera 33, the alarm output means 55 of the indoor unit 5 generates an alarm and transmits the alarm signal to the desired place through the communication means 551. As it can, security features are enhanced.

In addition, the present invention can be connected to a comprehensive information network connection (ISDN) connected to the indoor unit, it can be provided a variety of comprehensive information communication services such as banks, securities, aviation.

On the other hand, the structural feature of the present invention is that, in the video phone apparatus made as described above, the thin flat panel display 53 is employed as the display 53.

In particular, it is preferable to use a high-speed color STN LCD as the flat panel display 53, whereby moving image processing can be realized at low cost.

FIG. 2 is a flowchart illustrating the operation of the present invention with reference to the system controller 57. Hereinafter, the operation of the present invention will be described with reference to FIG.

When the system program stored in the main memory of the system controller 57 is started, the DSP 577 performs the following routine.

First, the human body is detected by the infrared sensor 37 by the first step S1, and the visitor opens the doorbell switch included in the call generator 35 of the outdoor unit 3 by the second step S2. Determines if pressed.

Subsequently, in the third step S3, the camera 33 is operated when the signal of the call generation unit 35 corresponding to the operation of the doorbell switch is input in the second step S2, and the fourth step S4. In contrast to the third step S3, when the doorbell switch is not operated in the second step S2, the loop is returned to perform the operation of the first step S1 before the set time and the set time is exceeded. The camera 33 of the third step S3 is operated.

In the fifth step S5, image information is reproduced on the display 53 of the indoor unit 5 in accordance with the operation of the camera 33 of the third step S3, and the sixth step S6 and the seventh step S7. Select the memory to record the video, audio and text information, and process the video information of the seventh step (S7) in the eighth step (S8) to determine whether or not the image abnormality, if there is an abnormality of the indoor unit (5) Generates an alarm sound.

In the ninth step S9, after determining whether or not the occupant has been set, if the absence is set through the tenth step S10, it is determined whether or not there is delivery information and a command designated and stored. If there is specified information, the information stored in advance is sent to the communication means 551.

In the eleventh step S11 and the twelfth step S12, when the transmission information specified in the tenth step S10 is not present or is not present, i.e., when the tenant returns and requests playback, the image memory 573 and the audio memory 575 are used. After playing back the information recorded in), the program is terminated. Visitors and intruders can be identified through the reproduced video and audio information.

FIG. 3 is a circuit diagram mainly showing the system controller 57 according to the first embodiment of the present invention, and has a configuration for implementing digital image processing.

As shown here, the DSP 577 included in the system controller 57 for realizing the present invention includes a memory (EPROM) and a voice memory 575 in which system programs for overall operation of the system are stored through the system bus. Data processing with the image memory 573 and the display 53 is performed.

Reference numerals U11 and U12 denote A / D converters for converting a voice signal into a digital signal, and U13 denotes a D / A converter for decoding data transmitted from the voice memory 575 into an analog signal. ) And the D / A converter U13 are configured to be connected to the microphone (MC) and the speaker (SP) forming the handset 31 of the outdoor unit 3 through the amplifiers AMP1 and AMP3, and the A / D converter. U12 is configured to serially transmit image information acquired by the camera 33 to the image memory 573.

The DSP 577 receives the signal from the infrared sensor 37 through the amplifier AMP2, receives the signal from the call generator 35 through the buffer Buf1, and outputs an alarm command to the communication means 551. In addition, it is connected to the video telephone connection unit (PN) and the integrated information communication network connection unit (ISDN) through the multiplexer (MUX), and is configured to receive a clock for setting the operation time from the timer (T).

The operation of the first embodiment configured as described above can be described as follows.

Normally, as the visitor presses the doorbell switch, the function of the existing video phone device for recording the visitor's video and audio information in the memories 573 and 575 is maintained.

On the other hand, when the operation signal of the call generator 35 is not input for a predetermined time provided by the timer T1 while the signal detecting the visitor is introduced from the infrared sensor 37 to the DSP 577, the image memory 583 and the audio memory 575, and the video information and audio information input from the camera 33 and the handset 31 as serial data are sequentially recorded in the two memories 573 and 575, respectively, and the video information is recorded. It transmits to the display 53 through the system bus to reproduce the screen, and transmits the voice information to the handset 51 of the indoor unit (5).

Then, when there is no image information input through the camera 33 in the state in which the insider detection signal is introduced from the infrared sensor 37, the DSP 577, which has determined this, drives the photocoupler PC1 to communicate. ) Will send an alarm command. At this time, the alarm output through the alarm output means 55 provided in the indoor unit 5, in the absence of the landlord through the communication line 551 through the telephone line and the communication service company used in the existing pager, mobile phone The alert message is sent to the user. The overall operation of such an alarm is activated when the visitor deliberately interferes with the shooting of the camera 33.

In addition, when reproducing images and audio recorded in the memories 573 and 575, the DSP 577 sequentially reads the data from the initial address in which the information is stored in the audio memory 575 and the image memory 573, and reads out the data. Reproduce the recorded image on the display 53 of the) and reproduce the voice through the handset 51 of the indoor unit (5).

On the other hand, in the video phone apparatus equipped with a video telephone, the present invention can be given a function of transmitting video and audio information input to the camera 33 and the handset 31 to another video telephone. This is possible by the system controller 57 setting a flag for the processing element and giving a start signal to transmit the video and audio information of the memories 573 and 575 to the telephone line through the video telephone connection PN described above. It is to be understood that the present invention can be easily implemented by the art of the art only with this configuration description.

In addition, various communication services such as banks, securities, aviation, etc. can be provided through the integrated information and communication network connection (ISDN).

4 is a circuit diagram showing a second embodiment of the present invention, and implements the multifunction of the present invention in addition to the analog image processing method.

The outdoor unit 3 constituting the video phone device has an existing configuration including the handset 31 and the call generation unit 35 including the doorbell switch, and further includes an infrared sensor 37, and the indoor unit 5 side Security function setting switch SW1, handset 51, telephone number button Btn for external call, door lock release button Btn2, display 53 for displaying an image, image of the display 53 The adjusting knob Kb1 is provided to adjust the pressure. Reference numeral ASP is a speaker of the alarm output means 55, which outputs an alarm sound and a voice.

In addition, U21 and U22 connected to the system controller 57 are A / D converters, and U23 and U24 are D / A converters, all of which are separately shown in order to more clearly describe embodiments of the present invention. It is preferable to be built in the side). However, hereinafter, it will be described as separate.

The video line (A) and the audio line (B) connecting the outdoor unit (3) side and the indoor unit (5) side are configured to be connected to each other through analog switch elements AS1 and AS2, and the two analog switch elements AS1, AS2) is normally switched on and switched off when a control signal is applied.

Input terminals of the A / D converters U21 and U22 are commonly connected to the video line A and the audio line B on the outdoor unit 3 with respect to the analog switch elements AS1 and AS2, respectively. The output terminals of the D converters U21 and U22 are connected to the audio memory 575 and the video memory 573 through a data bus, and the audio memory 575 and the video memory 573 are connected to the DSP 577 through an address bus. Leads to.

The DSP 577 is connected via a control bus to apply a recording and reading command to the voice memory 575 and the image memory 573, and the voice memory and the image memory 573 are connected to the D / A via a data bus. Respectively connected to the input terminals of the converters U23 and U24, and the two D / A converters U23 and U24 are common to the rear ends of the two analog switch elements AS1 and AS2 through the analog switch elements AS3 and AS4, respectively. Connected. Here, the analog switch elements AS3 and AS4 are normally switched off and switched on when a control signal is applied.

Each of the analog switch elements AS1 to AS4 is a known multiple bidirectional switching element which is turned on and off in response to a control command of the DSP 577 applied via a control bus, and is a device for preventing noise due to latch-up.

In addition, the DSP 577 receives the human body detection signal by the infrared sensor 37 provided on the outdoor unit 3 side, and receives the input for the operation time of the timer T.

The output of the DSP 577 is a digital video disk device (DVD) including a digital video disk and its player, a video telephone connection portion (PN) connected to a video telephone, a communication means for making a call to an absent portable communication device ( 551).

According to the second embodiment of the present invention, when the person approaching the door hesitates for a predetermined time without pressing the doorbell, the DSP 577 recognizing this sends out a recording command to the two memories 573 and 575. And the video signals are converted into data through the A / D converters U21 and U22, respectively, and then recorded into the audio memory 575 and the video memory 573. In particular, among the data recorded in this manner, the video portion occupies a large amount of storage capacity, and the DSP 577 manages a function of always maintaining a constant remaining storage capacity in the image memory 573.

Next, in the case where data for image and audio recorded in the memory 573 and 575 is read out and requested to be reproduced, the DSP 577 sends a read command to the audio memory 575 and the image memory 573 as well as analog. By outputting a control command such that the switch elements AS1 and AS2 are off and the analog switch elements AS3 and AS4 are on, the data read out from the memories 573 and 575 is converted into an analog signal to convert the analog switch elements AS3 and AS4. ) Is transmitted to the display 53 and the handset 51 of the indoor unit 5.

In addition, when the DSP 577 detects the visitor by the infrared sensor 37 in the state in which no image is input from the camera 33, the DSP 577 regards the visitor as deliberately hindering the shooting of the camera 33 and issues an alarm command. In this way, the alarm is started through the alarm output means 55 of the indoor unit 5 itself. At this time, in the absence of the landlord through the communication controller 57 transmits an alarm message to the pager, mobile phone through the existing telephone line and the communication service company.

In addition, the switch unit (SW1) provided in the video phone, if you set the information communication network, such as banks, securities companies, airlines, etc. in addition to the existing switch, such as crime prevention, switch unit (SW1) corresponding to the banks, securities companies, airlines, etc. When the switch is pressed, it connects to the service network by selecting the integrated information network connection unit (ISDN) so that the desired information can be easily obtained.

Thus, the operation of the second embodiment of the present invention can also achieve the object of the present invention in the same manner as the operation of the first embodiment.

Referring to the effects of the present invention as described above are as follows.

By processing the signal from the infrared sensor and the camera, the system controller can deliberately obstruct the camera's shooting and identify the suspicious behavior of the hesitant visitor without pressing the doorbell switch.

Since the video device of the present invention operates only in a necessary condition, such as when the camera is operated only when there is a visitor, the power consumption is reduced as well as the load time, thereby extending the life of the product.

Security function is enhanced by realizing complete signal processing by system controller and remote alarm transmission by communication means.

By using color flat panel display such as LCD without using CRT as the display, it is possible to improve the quality and visual effect by color, reduce peripheral circuits and volume, and reduce power consumption. .

In addition, it is possible to easily receive various communication services such as banks, securities, and aviation by simply operating a button of a switch without using a separate computer.

Claims (4)

An outdoor unit 3 having a handset 31, a camera 33, a call generation unit 35 including a doorbell switch, and an indoor unit having a handset 51, a display 53, and a system controller 57 ( 5), wherein the outdoor unit 3 further includes an infrared sensor 37, and the system controller 57 includes an image memory 573, an audio memory 575, and the like. Built-in DSP (Digital Signal Processor) 577, the DSP 577, the visitor doorbell from the call generation unit 35 within a predetermined time while the visitor receives a detection signal through the infrared sensor 37 When the operation signal is not input, and when the visitor is detected by the infrared sensor 37 in the absence setting condition of the occupant, the video information and the audio information input through the camera 33 and the handset 31 are respectively displayed. The image memory 573 and the audio memory 575. Multifunctional video phone device, characterized in that for controlling to record. The outdoor unit 3 including the handset 31, the camera 33, and the call generator 35 is connected to the outdoor unit through the image line A and the voice line B, and the handset 51 and the display ( 53) and a video phone device comprising an indoor unit (5) having a system controller (57), wherein an analog signal transmitted from the outdoor unit (3) to the video line (A) and the audio line (B) is converted into a digital signal. A / D converters U21 and U22 for converting, D / A converters U23 and U24 for converting signals read out from the memories 573 and 575 into analog signals and transmitting them to the indoor unit, and switching of the analog signals. The analog switch elements AS1, AS2, AS3, and AS4, which are in charge, and are embedded in the system controller 57, the image memory 573, the audio memory 575, and the analog switch elements AS1, AS2, AS3, AS4. Multifunction videophone device comprising a DSP (577) for controlling the operation of the configuration. An outdoor unit 3 including a handset 31, a camera 33, and a call generator 35 including a doorbell switch, and an indoor unit having a handset 51, a display 53, and a system controller 57 ( 5) a video phone connection unit for transmitting video and audio information input from the camera 33 and the handset 31 to another video telephone (PN). And a system controller (57) to perform communication of the video telephone connection unit (PN). The method of claim 1, wherein the DSP 577 sends an alarm message when the image information is not normally input from the camera 33 while the visitor detection signal is input through the infrared sensor 37. When the tenant is absent, remote transmission of the alarm message is carried out through a communication means 551 dialing a predetermined telephone number, and when the tenant is resident, an alarm sound is generated in the indoor unit 5. Multifunction video phone device characterized in that the control to.