CN1971627A - Multimedia Digital Access Control System - Google Patents

Abstract

The invention provides a multimedia digital access control system, which comprises a display panel, an interface control module, a door lock control system and a user response system, wherein the interface control module establishes connection between the display panel and the user response system through the Internet, so that the display panel and the user response system form an Internet telephone, and the user response system can control the door lock control system to open or close a door lock through the interface control module. According to the invention, no special cable line is needed in the building, and the user answering system can use the ordinary fixed network telephone, 3G telephone, GSM mobile telephone or IP telephone to answer, and no special telephone is needed in the user room. In addition, the invention can be used for displaying image information such as the notice of buildings or advertisements, and has friendly user interface. The multimedia digital access control system can also be used as reception places in office buildings, convention halls and the like.

Description

Multimedia Digital Access Control System

technical field

The invention relates to a multimedia digital access control system (Cybermedia Security Door Lock System, CSDL), which is suitable for monitoring and/or controlling the entrance of building doors or community doors in high-end residential buildings, office buildings, and private clubs.

Background technique

1 senior residential building

The access control system of the prior art is used for monitoring and/or controlling the entrance of building doors or community doors in high-grade residential buildings, for example. It consists of an intercom set for calls in which voice signals can be transmitted between residential rooms and the doorway of the basement lobby with an analogue signal through cables. In addition, the access control system can also include a black and white or color video monitor, which can display the image of the visitor at the door. Generally, the image will be sent to the public antenna of the building with an analog signal, and displayed on the designated channel of the ordinary TV. When a visitor arrives, he enters the number of the room he is visiting on the keyboard of the access control system at the entrance of the lobby, the intercom phone in the room will ring, and the owner can pick up the phone to answer, confirm the identity of the visitor and then open the door. The access control system in the prior art needs to lay a dedicated cable in the residential building, one cable for the voice, and the other cable for the public antenna of the building, which is not environmentally friendly and difficult to replace and repair. In addition, voice and images are transmitted separately. The intercom phone is dedicated to the access control system, and cannot make calls like ordinary home phones, and cannot be combined with home phones. Therefore, the access control system of the prior art is very inconvenient, requires the use of many devices and takes up a lot of space.

In addition, in current residential buildings and office buildings, the notices issued by property management companies are in the form of paper, that is, the notices are printed on paper, and then the notices are posted in the lobby, bulletin boards, and elevators. This approach is not elegant, not environmentally friendly, and lacks flexibility. In addition, since the paper parts cannot be cleaned frequently, this method of posting announcements is also unhygienic.

2 office buildings

Existing office buildings generally have a reception desk. Visitors can only enter the door after passing through the receptionist. Visitors can directly talk with the person they are meeting before entering the door, which is unsafe and wastes manpower and material resources.

Contents of the invention

The purpose of the present invention is to provide a multimedia digital access control system, which is suitable for monitoring and/or controlling the switch of the entrance control door of the building door or community door in high-grade residential buildings, office buildings, and private clubs, as well as talking with visitors, publishing advertisements, delivering Information, to overcome the above-mentioned defective of prior art. In particular, it can use an ordinary home phone, mobile phone, 3G phone, etc. as an intercom phone device for a digital access control system, and use a display on the phone or an IP video phone in your home as a monitor for a digital access control system. The place occupied by the access control system in the residence is reduced, and the cost of the digital access control system is reduced.

The multimedia digital access control system of the present invention is an integrated system, including a display panel, a video Internet phone, an interface control module, a door lock control system and a user answering system. The improvement of the present invention is to establish a connection between the input device in the lobby of the building and the telephone of the resident through the Internet.

Through the present invention, there is no need to set up special cables in the building, and it is not necessary to use special telephones in households. Simultaneously, the multimedia digital access control system of the present invention can also leave messages, release notices and advertisements, etc.

Description of drawings

Fig. 1 is a schematic diagram of the multimedia digital access control system of the present invention.

Fig. 2 is a block diagram of the display keyboard of the multimedia digital access control system of the present invention.

Fig. 3 is an enlarged schematic view of the display keyboard of the multimedia digital access control system of the present invention.

Fig. 4 is a schematic diagram of the door lock controller of the multimedia digital access control system of the present invention.

Fig. 5 is a schematic diagram of the final product of the above-mentioned door lock controller.

Fig. 6 is a general schematic diagram of the multimedia digital access control system of the present invention.

Fig. 7 is a schematic diagram comparing the multimedia digital access control system of the present invention with the prior art.

Fig. 8 is a schematic diagram of a prior art door lock control system.

Fig. 9 is a schematic diagram of a notice posted on a building in the prior art.

Fig. 10 is a general schematic diagram of the multimedia digital access control system of the present invention.

Fig. 11 is a schematic diagram of the multimedia digital access control system of the present invention.

Detailed ways

The above-mentioned Internet telephony (Internet Protocol Phone, IP telephony) including video can be realized by utilizing existing Internet devices, and no additional telephone set is required.

The above-mentioned interface control module is connected with the display panel and the door lock control system, and is used for collecting information input on the display panel and controlling the switch of the door lock. The interface control module is also connected to an Internet service provider, and can reserve interfaces with systems such as building security systems, property management systems, and Octopus cards.

The interface control module includes an input device, a modem, a control module and an interface device. The input device receives information input on the display panel, and when the input information is a password, the control module verifies whether the password is correct, and controls the door lock control system to open the door lock when the password is correct, so that the user can enter the building. When the input information is the resident floor and room number input by the visitor, the control module connects the input information to the Internet service provider through the modem and the interface device, and dials the resident's phone through the soft switch in the Internet service provider , the phone can be an IP phone, a 3G mobile phone and a fixed line phone or a GSM, CDMA, WCDMA mobile phone. That is, at this moment, the multimedia digital access control system of the present invention constitutes an Internet phone, so that the resident and the visitor can carry out video communication, and then control the door pins by Dual ToneMulti-Frequency (DTMF, Dual Tone Multi-Frequency). In addition, the interface control module can also input visitor information to the security department of the building for security monitoring while dialing the resident's phone.

The resident's telephone number and floor information can be input into the multimedia digital access control system of the present invention by the building property management company or the security department for linking.

The CSDL of the present invention has two states: 1. Advertisement playing state, 2. Video telephony state.

Specifically, the CSDL process of the present invention is as follows:

1. When the CSDL starts up, it enters the "advertisement playing state", and the DVD Decoder card extracts MP1, MP2, MP4 or JPG data from the hard disk, and then plays it on the LCD/driver board.

2. When the visitor presses the "visitor" key, the switching control board of the control module instructs the DVD decoding card to switch and play the "video phone state".

3. When the visitor enters the floor unit from the keyboard, such as "12A", the switching control panel sends an instruction to the LCD, and "12A" is displayed on the LCD.

3.1 If the visitor presses the "back delete" switch control panel to send an instruction to the video phone board to clear "12A" back.

3.2 If the visitor presses "cancel" in the middle, switch the control panel to send the command and send it again, and the decoding card switches to play the "advertisement playing state".

3.3 If the visitor presses "Confirm" to go to the next step 4.

4. The switching control board of the system will find the corresponding video phone number in its card memory, and then the video phone board will be responsible for connecting to the other party and making a call. When a call is in progress, display a JPEG file to allow visitors to see the image of the guest.

5. During the call, the switching control panel will check the call packet, and if it finds that the resident sends a DTMF "#" or any preset code key, it will immediately send an instruction to open the door.

6. If the guest hangs up, switch the control panel to interrupt the call, and "switch" the advertisement playing state".

If the resident the visitor wants to visit is not available, or the visitor's call is not answered, the visitor can use the keypad on the display panel to enter a message.

The door lock control system may be a door lock control system used in the prior art, and the door lock may be unlocked by the above-mentioned telephone control after the owner confirms the visitor's identity through video or voice.

Above-mentioned display panel can be LCD panel, also can be other types of display, such as plasma display, cathode ray tube display etc., it can display the notice of property when free, even display advertisement, and above-mentioned notice or advertisement can be JPG form ( Joint Photographic Experts Group) or MPEG (Moving Picture Experts Group) format. The idle time refers to when no one uses the keypad or telephone of the digital access control system.

The display panel contains a camera, which can take images of users. The camera can be a CCD sensor or a CMOS sensor, or other cameras commonly used in the prior art. The camera is preferably a color image sensor.

The display panel also contains a speaker and a microphone to communicate with the occupants. The display panel also contains a keypad, allowing the user to input the password to open the door, the resident's floor and room number. Usually the keyboard includes 0-9 number keys, "*" key, "#" key, etc., and may also include A-H letter keys, or include "password input" key, "undo/cancel" key, etc. The keyboard can be a keyboard containing "T9 input method", which is similar to the keyboard of an ordinary mobile phone. It can use the 0-9 number keys to input letters or Chinese character information, and the user can use the keyboard to input information, such as messages or building notices, advertising etc. Described keyboard can utilize T9 input method, promptly utilizes 0-9 numeral key to input English letter, if add Chinese character library in the multimedia digital access control system of the present invention, can also utilize keyboard input Chinese information, just as on existing mobile phone Enter the same information. The manager of the multimedia digital access control system, such as the property management department or security department of the building, can use the interface between the multimedia digital access control system of the present invention and the computer to input edited information, such as advertisements, notices, etc.

The display panel can also contain a card reader, and the user can open the door by swiping the card. The card reader can be compatible with the "Octopus card" and read the personal information on the personal Octopus card to identify whether the user is a member of the building. of residents.

The user answering system refers to the answering device in the user's home or in the hands of the user, which can be realized by using a telephone in the residence, such as a traditional wired phone, IP phone, IP video phone (IP video phone, VPhone), 3G phone or any PSTN (Public Switched Telephone Network) telephone, without geographical boundaries. The video display at the user end can be realized by using the display on the above-mentioned telephone set, and can also be realized by using the TV set in the resident's home, that is, the image of the camera at the entrance of the lobby is transmitted to the resident's home through the TV signal transmission line in the building.

The solution of the present invention can also be applied to reception centers, service centers or consultation centers for use by reception staff.

The improvement of digital access control system (CSDL) of the present invention to the prior art lies in the following aspects:

1. The above-mentioned CSDL includes an IP video phone including a liquid crystal display panel.

2. When the system is idle, its display mode can be switched to display MPEG or JPEG files to realize broadcasting of information.

3. When someone approaches the input device of the system located outside the lobby door of the residential building and presses the keypad, the system will switch to the dialing mode. For the resident, he can key in the password to unlock the door or swipe the card to the card reader on the input device. If the password is correct or the card is correct, the door lock will be opened. For visitors, he can enter the floor and room number of the resident's room, and the system will automatically connect to the IP video phone, mobile phone or fixed-line phone set by the resident through the system of the property company. The mobile phone can be Any type of mobile phone, such as 3G phones, 2G phones, or more advanced types of mobile phones. This way the resident can not only talk to the visitor, but also see the visitor.

After the resident confirms the visitor, he can press the "#" key on the phone, and the DTMF (Dual Tone Multi-Frequency) signal will be transmitted from the fixed-line phone or mobile phone to the digital access control system through the Internet, and then CSDL will identify the above pair of " #” key to open the door lock.

The advantage of the present invention is that there is no geographical restriction, and there is no IDD (international direct dialing) charge, no matter where the resident is, the resident can carry out the interactive communication of voice and video with the visitor. If the visitor is what the resident wishes to see, CSDL can provide all the information needed to identify the visitor. For example, a resident can communicate with a visitor in Sydney, Australia, and open a building or community door of a house in Hong Kong.

The digital access control system of the present invention is very convenient and practical, and is especially suitable for use as a safe door lock control system in the lobby of a residential building. It can also be used as a reception device in a commercial office building, through the digital access control system to provide point-to-point interactive voice or video communication between employees or employers and visitors via, for example, 3G mobile phones, network IP phone devices, etc. Door locks can be switched using the Internet.

The digital access control system of the present invention provides a new design scheme for developers of residential buildings. The digital access control system of the present invention is not only an elegant access control component, but also has the advantages of low cost and environmental protection. It does not require special additional cables, and voice and image signals can be transmitted in a single unit without an additional telephone handset. In addition, it can also be used as a digital notice board and advertising board because the LCD panel in it can display notifications or advertising information.

The digital access control system of the present invention is particularly advantageous for Internet service providers, which can attract residents to use Internet broadband range and/or IP video telephony services, or Internet service providers can provide value added services (Value Added Service, VAS) to existing customers. ), which will bring them very objective benefits.

For commercial office buildings, the digital access control system of the present invention can replace the receptionist therein at the company's reception (front desk), consultation office or customer service department, providing a kind of high-efficiency and low-cost application for querying visitors.

The invention can significantly reduce the cost of building construction and accelerate the realization of the concept of electronic home (e-home). It also brings new ideas to the design of the lobby of the building.

The present invention can be set up in old buildings, or replace old intercom systems, where it is difficult to add additional new cables.

The video communication method, in Hong Kong for example, can use the existing 3G mobile phone or IP video phone.

The left half of Fig. 9 shows the input device located in the lobby of the digital access control system of the present invention, Fig. 1 is a block diagram of the input device, and Fig. 2 shows an enlarged view of the input device. These include an LCD display board, an input keypad, a microphone, a speaker, and a card reader.

The card reader can be a contact magnetic card reader or a non-contact card reader. The card reader can also be used as a card reader called Octopus card. Octopus card is a traffic payment card in Hong Kong. Many small shops also use this card as a payment method. Please refer to the introduction of this card. See website www.octopuscards.com.

The input keyboard is similar to that of a conventional access control system, an ordinary phone or a mobile phone, and includes 0-9 numeric input keys, "#", "*" keys, and A-H letter keys. In addition, in order to input messages, notifications or advertisement information, the keyboard can be the same as that of a mobile phone, that is, English letters and punctuation marks can also be included in the keyboard, and one key can represent multiple letters or symbols (except numbers) outside).

The LCD display panel can also be other types of display panels, such as LED display panel, plasma display, cathode ray tube display, etc. The size of the display screen can be selected according to actual needs, from 1 inch to 9 inches or larger Any monitor will work, even 15, 17, 20-30, 40 inches. In addition, if the display is relatively large, a keyboard pattern can pop up on the display, and the above-mentioned notification, advertisement information or message can be directly input through the touch screen. Visitors can leave a message to the resident to visit by entering a short message from the keyboard or the touch screen of the monitor, if the resident is not at home.

The right half of Fig. 9 shows the components of the digital access control system in the resident's house, including video phones, mobile phones or fixed-line phones, and displays. The display can be realized by using a television set in a resident room, or it can be a display on a telephone.

For example, a visitor enters 2001 or 20A on the keyboard, "2001" means the resident of room A on the 20th floor. The digital access control system of the present invention will dial the video phone, mobile phone (2G or 3G) or fixed-line phone reserved by the resident through the Internet, and the resident can answer the call and answer the visitor and see the image of the visitor, and the visitor can also pass See the image of the resident on the display board in the lobby. The resident can unlock the door by pressing the "#" key or other keys on the phone handset, and can also press the "shut down" key to deny the visitor's access.

The following is the parameter of a specific embodiment of the part device of the digital access control system of the present invention:

LCD display:

Dimensions: Height 550mm, Width 415mm, Thickness 31mm.

Weight: 6.6kg

Power 60W

LCD type: active matrix TFT color display

Best resolution: 1280×1024

Color depth (color depth) 16.7M

Contrast ratio: 400:1

Average illuminance: 250cd/m ²

Working environment temperature: 0-45℃

Power Control: VESA DPMS

Working state: 70W (maximum)

Energy-saving state: 8W (maximum)

Output: AC 200V±10%

Input: 1.9Vrms

Audio response: (1.7Hz-20Hz) ±0.5dB

Signal-to-noise ratio (dB): ≥95

Variation degree: ≤0.01%

Dynamic range: (dB): ≥95

Crosstalk (base frequency) (dB): ≥85

Output level Vpp: 1.0±0.2

Illumination signal-to-noise ratio: ≥56dB (unweighted)

Chroma signal-to-noise ratio: AM 60dB, PM≥52dB

Differential Phase (DP)≤2

Working life: 50,000 hours

Dimensions (length x width x thickness): 560mm x 417mm x 32.5mm

Net weight: 6Kg

Synchronous transmission distance: ≤7m

FCC rules: CISPR 22 Class B Standard

IP video phone motherboard:

support ITU-T standard H.324 signaling H.245 channel multiplexing H.223 video Support ITU-T standard H.263CIF resolution 352×288 pixels maximum frame rate 15fps audio Support ITU-T standard G.723.1 frequency response 50Hz-3.4KHz full-scale multiplexing (full duplex) echo canceller camera 1/4 inch CCD high-resolution color illumination (min): 1.0 (20IRE), F2.0 Horizontal viewing angle: 50 degrees Vertical viewing angle 39 degrees network PSTN RJ 11 transmission speed (max) 33.6Kbps (V.34) communication mode: synchronous access electric Working voltage: 12V, 5VDC Power consumption: 13W (max) Input voltage: 100-240VAC compatible

Fig. 3 is a structural block diagram of the interface control module of the multimedia digital access control system of the present invention. It includes LCD display board driver, display card, DVD decoder, power adapter, various memory interfaces, IP video phone main board, door lock controller, phone number memory, etc. Fig. 4 is a schematic diagram of the appearance of the final product of the interface control module.

Fig. 5 is a schematic diagram of an IP video phone connecting a 3G mobile phone, a PSTN fixed-line phone and an ordinary mobile phone. Fig. 10 is a block diagram showing the various parts more clearly.

The digital access control system of the present invention includes an IP phone with an LCD panel and a built-in SIP video phone main board. It is connected to the Internet and registered with the software switch.

Through the software switch, it can communicate with the 3G network through the 3G gateway, which can compile the digital package (packet, package) into the 3G protocol and transmit it to the 3G mobile phone.

It can also call PSTN fixed-line telephone through CISCO AS5300, CISCO AS5300 can compile digital packet into analog signal, and send to common phone or mobile phone.

It can also communicate with other SIP devices in the IP network, such as IP video phones.

The door lock controller, which can be embedded or placed separately, is used to monitor the entire call and detect DTMF packages that may come from 3G, mobile phone ordinary phones or SIP devices. It compiles the DTMF signal and converts it into ASCII code, which may represent "#", "*", any other key or their combination or the combination of the telephone keypad, and compares it with the preset password. If there is a match, the door is opened.

As shown in Fig. 5 and Fig. 10, gate and door lock controller and digital access control system of the present invention are arranged in the lobby, digital access control system of the present invention is connected to Internet (service provider), and Internet service provider provides software Switches and gateways that connect to phones so that IP calls can be made. Therefore, the digital access control system of the present invention can provide communication service between visitors and residents through the Internet, and residents can use common fixed-line home phones (i.e. PSTN phones), mobile phones or 3G mobile phones, etc. The display panel of the digital access control system acts as a telephone.

Fig. 6 shows the digital access control system of the present invention in the form of a block diagram. Among them, the interface control module can also be connected to the security phone of the building. This connection can be made through the original controller of the access control system, or the phone and monitor of the security room can be dialed through the Internet phone, so that the security of the building can monitor the incoming traffic. visitors. And the digital access control system of the present invention is then connected to the Internet to complete the connection with the resident.

Fig. 7 is a schematic diagram of a traditional access control system, which shows the input keyboard located in the lobby and the communication device in the resident's home. The communication device in the resident's home includes a dedicated telephone and a TV, and the TV can display the visitors captured by the camera. video, but the video is transmitted separately from the audio signal and has no connection.

Fig. 8 has shown the situation that notice is pasted in the bulletin board of elevator and lobby with paper in existing building.

Fig. 11 is a schematic diagram of the multimedia digital access control system of the present invention, wherein the meanings of each symbol are as follows:

1. Digital memory, which can be a hard disk, a memory card containing a USB interface, such as a CF card, etc., used to store the password of the door lock, the corresponding relationship table between the room number of the resident and the phone of the resident, etc.

2. LCD screen, which is an LCD display panel.

3. The microphone is used to input the voice signal of the user.

4. The camera, which can be a CCD or CMOS camera, is used to collect video information of the user.

5. Loudspeaker for outputting sound.

6. The keyboard can adopt any suitable keyboard format, for example, like a mobile phone keyboard, it can also include A-H letter keys, and the keyboard can use the T9 input method to input English or Chinese information.

7. A card reader, connected to the interface control module, for inputting user information by way of card reading.

8. USB/C card interface

9. DVD decoder card, any suitable format DVD decoder can be used.

10. The power supply provides power to the LCD display panel.

11.220V power supply interface, used to connect with the civil power grid.

The 12.12V 4A transformer is used to convert the voltage of the civil power grid into the voltage applicable to the digital access control system of the present invention.

13. Clock board, providing 12/5/-12V clock voltage signal.

14. The LCD driver board is used to drive the LCD display board.

15. IP video phone board, video control and communication connection, used to connect to the website of the Internet service provider through the Ethernet interface, use the soft switch provided by the Internet service provider to dial the residential phone to form an IP phone or Vfone phone .

16. Ethernet interface, the interface connected with the Internet.

17. Switch the control board, read information from the keyboard, connect the input information with the user phone number retained in the memory and send it to the main board of the video IP phone. It is also used for interfacing and detecting if a key such as "#" is pressed to unlock the door.

18. Door lock control interface, used to connect to the controller for opening or closing the door lock.

The IP video phone board, Ethernet interface, and switching control board can be integrated into the interface control module of the present invention.

Claims (23)

1. multimedia digital access control system, comprise a display pannel, interface control module and a door lock control system and a user-responsive system, wherein said interface control module connects between described display pannel and user-responsive system by the internet, make described display pannel and user-responsive system constitute Internet Protocol telephone, described user-responsive system can be controlled described door lock control system by described interface control module and open or close door lock.

2. according to the multimedia digital access control system of claim 1, it is characterized in that described display pannel comprises a display, a loudspeaker and a keyboard.

3. according to the multimedia digital access control system of claim 2, it is characterized in that described display is a LCD.

4. according to the multimedia digital access control system of claim 2, it is characterized in that described display is a plasma scope.

5. according to the multimedia digital access control system of claim 2, it is characterized in that described display is a cathode-ray tube display.

6. according to the multimedia digital access control system of claim 2, it is characterized in that described keyboard comprises ten key and *, # key.

7. according to the multimedia digital access control system of claim 6, it is characterized in that described keyboard also comprises the A-H letter key.

8. according to the multimedia digital access control system of claim 6 or 7, it is characterized in that described keyboard is the keyboard that comprises the T9 input method.

9. multimedia digital access control system according to Claim 8 is characterized in that described keyboard is the keyboard that contains Chinese character coding input method.

10. according to the multimedia digital access control system of claim 1, it is characterized in that described user-responsive system comprises a phone and a display.

11., it is characterized in that described phone is the phone of Internet protocol according to the multimedia digital access control system of claim 10.

12., it is characterized in that described phone is GSM or 3G, CDMA mobile phone according to the multimedia digital access control system of claim 10.

13., it is characterized in that described phone is the phone of Public Switched Telephone Network according to the multimedia digital access control system of claim 10.

14., it is characterized in that described display is the display on the phone, and described phone also has camera according to the described multimedia digital access control system of one of claim 10-13.

15. multimedia digital access control system according to claim 1, it is characterized in that described interface control module is connected with described display pannel, door lock control system, be used to gather the information imported on the display pannel and the signal of control gate lock-switch is delivered to described door lock control system.

16., it is characterized in that described interface control module is connected to an Internet Service Provider according to the multimedia digital access control system of claim 15.

17. multimedia digital access control system according to claim 16, it is characterized in that described interface control module comprises an input media, a modulator-demodular unit, a control module and an interface arrangement, described input media is used to receive the information of importing on the display pannel

Wherein, when the information of input is when entering password, whether described control module checking password is correct, and the control door lock control system is opened door lock when password is correct, makes the user can enter in the mansion;

When the information of input is the resident family's floor imported of visitor and room number, described interface control module will be connected to the Internet Service Provider by modulator-demodular unit and interface arrangement from the information of display pannel input, dial described resident family answering system by the SoftSwitch among the described Internet Service Provider, at this moment multimedia digital access control system has constituted an Internet Protocol telephone, makes resident family and visitor carry out video and exchanges.

18. multimedia digital access control system according to claim 17 is characterized in that described interface control module can also be input to visitor's information the security authority of mansion to carry out guard monitor when dialing resident family's phone.

19., it is characterized in that described interface control module also comprises the interface with mansion security system, estate management system, smart identity cards or Octopus card system according to the described multimedia digital access control system of one of claim 15-17.

20. multimedia digital access control system according to claim 1 is characterized in that described display pannel contains a card reader.

21. multimedia digital access control system according to claim 20 is characterized in that described card reader is IC-card card reader, Non-contact Media Reader or magnetic card reader.

22. multimedia digital access control system according to claim 1 is characterized in that described display pannel is a multimedia player, is used to play text information, notice or dynamic video image.

23. multimedia digital access control system according to claim 22 is characterized in that described dynamic video image is the image of mpeg format or jpeg format.

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