JP2011146055A - Catv security system and security adapter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a security system and a security adapter that can optimally monitor a plurality of dwelling units in a wide area in compliance with a CATV transmission network system. <P>SOLUTION: A CATV transmission network is used for communication between a center and a plurality of dwelling units. Each dwelling unit 1 includes a dwelling unit receiver 3 for monitoring a sensor signal from a fire detector 4 or the like, the security adapter 7 for IP-converting and outputting a security signal from the dwelling unit receiver 3, and a cable modem 11 for making the IP-converted security signal communicate with the center 2 via a trunk line 15. The CATV center 2 includes a center modem 16 connected to the trunk line 15, a security server 17a for storing and controlling the security signal, a security monitoring apparatus 18 for notifying the security signal, an Internet server 17b, and a router 21 connected to the Internet 22. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

The present invention relates to a CATV security system using a CATV transmission (broadband) network system and a security adapter used therein.

  2. Description of the Related Art Conventionally, there is a CATV security system that transmits a security signal of a security sensor such as a fire detector, a gas leak detector, and a security sensor provided in each dwelling unit to a CATV center by using a CATV line, and issues an alarm.

On the other hand, recently, by using the CATV broadband network system, not only the conventional cable TV broadcasting service but also the number of communication companies providing services such as digital broadcasting service, high-speed Internet service, telephone service, etc. is increasing rapidly.

JP 2000-172970 A JP-A-11-88402 Japanese Patent Laid-Open No. 10-257458 JP-A-2-280300 JP 2001-101545 A JP 2000-311284 A JP 10-255743 A

  In response to such a CATV broadband network system, it is desired to construct an optimal security network system capable of monitoring a plurality of residential units in a wide area.

An object of the present invention is to provide an optimum CATV security system and a security adapter that are compatible with a CATV transmission (broadband) network system and can monitor a plurality of dwelling units in a wide area.

  In order to achieve this object, the present invention is configured as follows.

  The present invention is a CATV security system that uses a CATV transmission network (optical coaxial hybrid (HFC) network) for communication between a center and a plurality of dwelling units. Each dwelling unit includes a fire detector and a gas leak detector. Security sensors such as security sensors, receivers for dwelling units that monitor the sensor signals of security sensors, security adapters that convert the security signals output from the dwelling unit receivers into IP (Internet Protocol), and security adapters A cable modem for communicating the IP-converted security signal output from the center via the main line and a concentrator (HUB) connected to the cable modem, while the center is connected to the main line and connected to the main line. From the center modem that communicates with the dwelling unit and from the dwelling unit A security server that stores and controls received security signals, a security monitoring device that reports security signals of the security server, and a server for the Internet that is connected to a center modem. (HUB) and a security adapter can be connected and an Internet terminal equipped with a browser function such as a personal computer can be connected. The security server in the center receives the security signal transmitted from the dwelling unit to receive the security signal. A web page based on the URL is created and transferred to an Internet server. The Internet server accumulates the transferred web page and publishes it on the Internet, and stores it in a personal computer or an interface in a dwelling unit And outputs the Web page when accessed from the Internet terminal having a browser function, such as a computer connected to the Internet.

  With such a configuration of the present invention, an optimum CATV security system that can support a CATV broadband network system and can monitor a plurality of residential units in a wide area is constructed. Equipment necessary for the construction of the security system on the side can be easily connected, and detailed security-related information can be easily viewed by browsing a Web page with a browser of a personal computer connected to the network on the dwelling unit side.

  Here, the security adapter is a receiving unit that receives a security signal output from the dwelling unit receiver, and a control unit that determines a security type from the security signal output from the receiving unit and outputs a security signal corresponding to the type. And a network IC that outputs the security signal output from the control unit after IP (Internet Protocol) conversion, and a display unit that displays information corresponding to the security type instructed by the control unit.

  In addition, when the security server of the center receives a security signal, it transmits a predetermined message signal to a predetermined area and dwelling unit, and when the control unit of the security adapter receives a predetermined message signal from the center Then, the predetermined message is displayed on the display unit. As a result, when a fire occurs in a specific dwelling unit, the location of the fire can be displayed on other dwelling units in the area, and the whole area can be monitored.

  Further, the center security server adds a display time signal to a predetermined message signal and transmits it, and when the control unit of the security adapter receives the predetermined message signal from the center, the predetermined value is displayed on the display unit. A message is displayed and the message display is erased when the display time set by the display time signal elapses. As a result, when a message such as a notification broadcast from the center is displayed on the dwelling unit side, the displayed time can be automatically managed, and it is possible to prevent the message display from remaining more than necessary.

  The security monitoring device includes a microphone, the security server outputs a voice signal input via the microphone to the main line via the center modem, the security adapter includes a voice synthesizer, an amplifier, and a speaker. When a voice signal is received, it is output to the voice synthesizer and output from the speaker. As a result, general announcement broadcasts and emergency announcement broadcasts can be appropriately made from the center side to each dwelling unit.

The security adapter includes a transfer mode setting switch, and the control unit sets the transfer mode by operating the transfer mode setting switch, and when the security signal is transmitted in this mode state, the control adapter When the security server at the center receives the security signal with the transfer mode added, the center security server emails the contents of the security signal to a previously registered report destination. As a result, when a security signal is received from a dwelling unit, an automatic notification is automatically made to a necessary registration destination by an electronic mail on the Internet, and an emergency can be promptly and appropriately dealt with.

  According to the present invention, by using a CATV transmission (broadband) network system such as an optical coaxial hybrid (HFC) network, security information on the dwelling unit side is transmitted to the center side for monitoring and control. Security information can be instantly transmitted to the center side, and in response to this, the security monitoring device on the center side can send the security information to a report destination such as a public institution connected to the Internet, It is possible to realize an optimum security system by linking a CATV transmission (broadband) network system and the Internet.

  Further, by transmitting the security information on the center side to the security adapter on the dwelling unit and displaying it or outputting it as necessary, it is possible to appropriately perform regional security monitoring and control for CATV system subscribers.

  Furthermore, by providing a security information web page on the center side, detailed or overall security information that cannot be known by the display function of the security adapter provided in the dwelling unit is stored in the personal computer owned by the subscriber. Browsing can be performed using the browser function, and a security system coupled with the Internet can realize a more precise and accurate environment for providing security information.

This Web page can also be made public on the Internet, and security information can be browsed by accessing it from a computer such as a fire department, police, or an official connected to the Internet.

Illustration of CATV security system according to the present invention The block diagram of the security adapter of this invention installed in the dwelling unit side of FIG. Illustration of display example by security adapter of FIG. Illustration of the monitoring screen by the security monitoring device on the center side Explanatory drawing of the display example of the alarm display area in the monitoring screen of FIG. Illustration when the map screen is displayed on the main screen Explanatory diagram when the history screen is displayed on the main screen Illustration when the message screen is displayed on the main screen Explanatory drawing when the user management screen is displayed on the main screen Explanatory diagram when the announcement broadcast screen is displayed on the main screen

  FIG. 1 is an explanatory diagram of a system configuration of a CATV security system according to the present invention.

  In FIG. 1, the CATV security system connects a plurality of dwelling units 1 as subscribers to a CATV center 2 via a broadband optical coaxial hybrid (HFC) network 15. A dwelling unit receiver 3 is installed in the dwelling unit 1, and a fire sensor 4, a gas leak detector 5 and an emergency push button 6 are connected to the dwelling unit receiver 3 as security sensors.

  The security signal from the dwelling unit receiver 3 is connected to the security adapter 7. The security adapter 7 converts the security signal from the dwelling unit receiver 3 into IP (Internet protocol conversion) and outputs it to the Ethernet (R) (LAN) using the LAN cable 8.

  The security adapter 7 is connected to a cable modem 11 by a LAN cable 8 via a hub 9 constituting a concentrator. The cable modem 11 is installed in each dwelling unit serving as a subscriber of the optical coaxial hybrid network 15. In the CATV security system of the present invention, the hub 9 is provided so that the dwelling unit receiver is connected via the security adapter 7. 3, and a personal computer 12 used by a subscriber of the dwelling unit 1 is connected to the hub 9.

  The cable modem 11 is connected to the optical coaxial hybrid network 15 via the protector 33. A branched coaxial cable is drawn out from the protector 33 and connected to the television 13 through a set box (STB) 14.

  A center modem 16 is installed in the CATV center 2 and communicates with the cable modem 11 of the dwelling unit 1 via the optical coaxial hybrid network 15. The security signal from the center modem 16 is connected to the security server 17a and the security monitoring device 18 via a transmission path such as VLAN (virtual run).

  Furthermore, it connects to the Internet 22 via the Internet server 17b and the router 21 to connect the Internet between the external CATV network 24 and the public institution 23 serving as an emergency call destination, such as a fire department, police, fire brigade, and related parties. The information used is exchanged.

  The security server 17a accumulates and controls security signals transmitted from each dwelling unit. The security monitoring device 18 notifies a security signal stored and controlled by the security server 17, and includes a display on the monitor 20, a microphone 19 for notification broadcasting, and a printer.

  FIG. 2 is a block diagram showing an embodiment of the security adapter 7 installed in the dwelling unit 1 of FIG.

  In FIG. 2, the security adapter 7 is set with a control unit 25 using an MPU, a security signal receiving unit 30 that receives a security signal from the dwelling unit receiver 3, and an IP address (MAC address). A network IC 31 that communicates with the center side via a LAN such as Ethernet (R) connected by the connector 32 by conversion, a liquid crystal display unit 35 for displaying security signals and various message information, and a message switch 34a , An operation unit 34 including an inspection switch 34b and a mail switch 34c, a voice synthesis IC 36 for creating voice synthesis data for voice notification broadcasting, an amplifier 37 and a speaker 38, and a power supply unit 40.

  An AC-DC converter 39 is provided outside the power supply unit 40 to convert commercial AC 100 volts into, for example, DC 5 volts, and supply it to the power supply unit 40. The power supply unit 40 is provided with an LED as a power lamp connected to a capacitor C, a Zener diode ZD, and a resistor R, and supplies a power supply voltage + Vcc to each circuit unit.

  Here, the processing operation when an alarm such as a fire occurs in the CATV security system of FIG. 1 will be described as follows. For example, when the fire detector 4 detects a fire in the dwelling unit 1, a sensor signal is sent to the dwelling unit receiver 3. When receiving the sensor signal from the fire detector 4, the dwelling unit receiver 3 issues a fire alarm in the dwelling unit 1 and outputs a fire signal to the security adapter 7.

  The security adapter 7 determines that the received signal is a fire signal, performs IP conversion, and uses the Ethernet (R) of the LAN cable 8 to the hub 9, the cable modem 11, and further the protector 33 as a security signal indicating the fire type. To the optical coaxial hybrid network 15.

  The security signal indicating the fire from the dwelling unit 1 is received and demodulated by the center modem 16 of the CATV center 2, sent to the security server 17 a, and further sent from the security server 17 a to the security monitoring device 18. The security monitoring device 18 displays the content of the received security signal on the monitor 20.

  At the same time, the security server 17a automatically notifies the related parties such as fire fighters, police, related persons, resident mobile phones, etc., registered in advance corresponding to the malfunctioning dwelling unit. Is transferred to the Internet server 17b. The Internet server 17b transmits the received electronic mail to the Internet via the router 21.

  When the operator of the security monitoring device 18 confirms the occurrence of a fire on the monitor 20 and performs a fire confirmation operation accordingly, the security adapter 7 of the dwelling unit 1 included in a predetermined fire occurrence area including the fire-occurring dwelling unit. Security message information is sent to In this case, emergency notification broadcast or the like is controlled if necessary, and voice message information stored in advance in the microphone 19 or the security monitoring device 18 is transmitted to the dwelling unit 1 side.

  The security adapter 7 that has received the message from the security monitoring device 18 of the CATV center 2 or information of the announcement broadcast displays the message on the liquid crystal display unit 35 provided in the security adapter 7 of FIG. 2 according to the content of the received control information. The voice synthesizing IC 36, the amplifier 37, and the speaker 38 perform voice output of emergency notification broadcasting.

  The security server 17a of the CATV center 2 has a function of receiving a security signal transmitted from the dwelling unit 1 and creating a Web page related to the security signal and transferring it to the Internet server 17b. ing.

  Since the Internet server 17b has a function of accumulating the transferred web pages and publishing them on the Internet, the personal computer 12 in the dwelling unit 1 or a computer such as a fire department, police, or related persons connected to the Internet by this. When there is an access from an Internet terminal equipped with a browser function, the security information can be browsed at any time by sending a Web page from the Internet server 17b.

  Next, the control function of the security adapter 7 in FIG. 2 will be described in detail. The control unit 25 of the security adapter 7 is provided with various functions such as a security transmission unit 26, a message processing unit 27, a display time management unit 28, and a transfer mode processing unit 29.

  First, the security transmission unit 26 receives the security signal from the dwelling unit receiver 3 received by the security signal reception unit 30, in this embodiment, a fire signal, a gas leak signal, an emergency signal, a security signal, and other signals. Then, the security type is determined from the received security signal, and a security signal corresponding to the type is output to the network IC 31. In the network IC 31, a security signal corresponding to the security type output from the control unit 25 is IP-converted and transmitted to the center side.

The message processing unit 27 of the control unit 25 performs various display processes including a message received from the center side on the liquid crystal display unit 35. The display processing by the message processing unit 27 is as follows.
(1) Status display (2) Message display (3) Control display (4) Communication monitor display is included.

  First, in the status display, the security type is determined from the security signal from the security signal receiving unit 30, and the determined security type is displayed. Here, since the types of security signals are fire, gas leak, emergency, crime prevention, and others, for example, during a fire, “Kasai” is displayed as in the status display 35a of FIG.

  Here, as the liquid crystal display unit 35, for example, a simple display having a relatively small display amount of about 16 characters × 2 rows is used. In the status display 35a, status displays such as “Gas More”, “Joi”, and “Bowhan” are also performed.

  In the next message display, display according to the message data sent from the center side is performed, for example, as the message display 35b in FIG. This message display 35b is a notification display from the center side, and informs the dwelling unit serving as a subscriber of the date of resource garbage collection.

  Next, for the control state, a control display of “Ippang Koshou” is performed by a control command sent from the center side as shown in FIG.

  Further, the communication monitor display displays information such as on / off of mail corresponding to transmission, reception, and transfer modes, and further inspection. In the communication monitor display 35d shown in FIG. 3D, the security signal is transmitted from the dwelling unit, and at the same time, the mail transfer mode is indicated by the operation of the mail switch 34c.

  Furthermore, when a plurality of display controls occur simultaneously, display is performed according to the priority in the order of “status display”, “message display”, “control display”, and “communication monitor display”. Corresponding to the message display from the center side to the liquid crystal display unit 35 by the message processing unit 27, a message switch 34a is provided in the operation unit 34.

  The message switch 34a switches and deletes the message displayed on the liquid crystal display unit 35. That is, in the liquid crystal display unit 35, since the number of display characters is limited as shown in FIG. 3, when there are a plurality of display contents, they can be sequentially switched by operating the message switch 34a. Also, unnecessary displays can be deleted by deleting the message switch.

  A display time management unit 28 provided in the control unit 25 of the security adapter 7 performs time management of message information displayed on the liquid crystal display unit 35 by the message processing unit 27. For example, for the message display 35b as shown in FIG. 3B, a display time signal such as 24 hours is sent together with the message information when transmitting from the center side, and management based on this display time is performed by the display time management unit. 28.

  That is, a timer is started when a message is received, and the corresponding message is automatically deleted when the display time instructed from the center side is reached. As a result, the security adapter 7 can display a message from the center on the liquid crystal display unit 35 for a necessary time.

  A transfer mode processing unit 29 provided in the control unit 25 of the security adapter 7 sets a transfer mode by operating a mail switch 34c provided in the operation unit 34. In this transfer mode state, the security transmission unit 26 When the security signal is transmitted, information indicating the transfer mode is added and transmitted to the center side.

  The security server 17a of the CATV center 2 that has received the security information having the additional information of the transfer mode executes an e-mail communication process for transmitting the contents of the security signal by e-mail to the report destination registered in advance.

  Further, the control unit 25 of the security adapter 7 includes a control output controlled by a command from the center side. As this control output, in this embodiment, volume control is performed by a control signal for the amplifier 37.

  For example, when a general announcement broadcast control signal is received from the center side, the volume control signal for the amplifier 37 is controlled to a medium volume. On the other hand, when an emergency notification broadcast control signal is received, the volume control signal is controlled to the maximum volume.

  Further, the inspection switch 34b provided in the operation unit 34 of the security adapter 7 is turned on at the time of inspection, thereby setting the inspection mode in the control unit 25 and prohibiting output to the outside during the inspection mode.

  Next, the monitoring display function in the security monitoring device 18 installed in the CATV center 2 of FIG. 1 will be described in detail.

  FIG. 4 is an example of a monitoring screen 42 displayed on the monitor 20 provided in the security monitoring device 18 of the CATV center 2. The monitoring screen 42 includes a menu display area 43, a main screen 44, and an alarm display area 45.

  Menu items for selecting what to display on the main screen 44 are displayed in the menu display area 43. In this example, a map 46, a history 47, a message 48, an announcement broadcast 49, and a user management 50 are displayed as menu items.

  A map screen is displayed on the main screen 44 by selecting the map 46. A history screen is displayed on the main screen 44 by selecting the history 47. By selecting the message 48, a message transmission screen is displayed on the main screen 44. By selecting the notification broadcast 49, the notification broadcast screen is displayed on the main screen 44. Further, by selecting the user management 50, a screen for inputting user information is displayed on the main screen 44.

  FIG. 5 is a specific display example of the alarm display area 45 on the lower side of the monitoring screen 42 of FIG. FIG. 5A sequentially displays the information of the input security signal in accordance with the received content of the security signal received from the dwelling unit. The alarm display area 45 has an event occurrence time 45a, an event content 45b, an event occurrence area 45c, an event occurrence user name 45d, and an alarm processing button 45e from the left side such as “map details”, “message”, “recovery”, “broadcast”, etc. Pattern is shown.

  When the alarm processing button “Restore” is clicked here, the display is deleted. When the alarm processing button “map details” is clicked, a map screen to be clarified in the following description is displayed on the main screen 44 of FIG. When the alarm processing button “message” is clicked, for example, a message as shown in FIG. 5B is transmitted to the security adapter 7 of the dwelling unit 1 and displayed on the liquid crystal display unit 35.

  When the alarm processing button “broadcast” is clicked, for example, an emergency notification broadcast command is transmitted to the security adapter 7 provided in the neighboring unit near the fire-breaking unit, and the voice alert message “XX Machi 1” stored in advance is transmitted. Send an alarm such as “-2-3 Nihon Taro Sama Taku de Kasai Hassei” and output an audio alarm.

  FIG. 6 shows an example of the map screen 51 when the menu 46 is selected on the monitor screen 42 of FIG. The map screen 51 is a detailed map 54 corresponding to the area 52a including the abnormally occurring dwelling unit indicated by the hatched portion in the left overall map 52, and a corresponding user when clicking the dwelling unit mark in the detailed map 54 An information display 53 is performed.

  In this detailed map 54, the anomaly dwelling unit 55 flickers, and when the anomaly dwelling unit 55 is clicked with the mouse, the user information is displayed on the user display unit 53 as shown enlarged below.

  FIG. 7 shows an example of the history screen 56 when the history 47 is selected on the monitoring screen 42 of FIG. The history screen 56 includes items of an event occurrence time display 56a, an event content display 56b, an event occurrence area display 56c, and an event occurrence user display 56d.

  When there are a plurality of history items, scroll display is possible. Furthermore, in principle, the events are displayed in the order of event occurrence, but it is also possible to display only the security type, for example, fire.

  FIG. 8 shows an example of the message screen 58 when the menu of the message 48 is selected on the monitoring screen 42 of FIG. In this message screen 58, a district selection 58a for selecting a district name for sending a message, a user selection 58b for selecting a user name for sending a message, and how many hours the message is displayed on the destination security adapter 7 after sending the message. A display time 58c for setting whether to hold, a number of characters corresponding to the liquid crystal display unit 35 of the security adapter 7 for dwelling units, for example, a transmission message 58d having an input frame of 16 characters x 2 lines, and a transmission button 58e Has been.

  As for the district name 58a and the user name 58b, a specific district can be selected, or all can be selected as shown. For the display time 58c, for example, an arbitrary time can be selected in a range of time for a maximum of one week in units of a minimum of one hour. Now, when the send button 58e is pressed in the setting state of the message screen 58 as shown in FIG. 8A, the message is sent to the security adapters 7 of all the dwelling units, and the display time 58c in this case is 24 hours. Thus, 24 hours after transmission, this display is automatically deleted on the security adapter 7 side.

  FIG. 9 shows an example of the user management screen 57 when the user management 50 is selected on the monitoring screen 42 of FIG. The user management screen 57 includes user selection 57a and user information 57b.

  The user name is selected in the corresponding ID portion of the user selection 57a and the user name is input. When the ID is determined by inputting the user name in this way, the user information 57b is displayed in correspondence with the address, the telephone number, the date of birth, the number of people living together, the message content to be included in the emergency message, and the electronic by setting the transfer mode by the mail switch. In this example, user information such as an emergency contact address can be input as a mail transmission address and further remarks.

  FIG. 10 shows an example of the notification broadcast screen 59 when the menu of the notification broadcast 49 is selected on the monitoring screen 42 of FIG. The notification broadcast screen 59 includes items of broadcast type / area selection 59a and broadcast ON / OFF 59b. The broadcast type / area selection basically selects either general broadcast or emergency broadcast.

  In addition to this, functions of block broadcasting and group broadcasting can be added as necessary. When the broadcast start is clicked with the general broadcast or the emergency broadcast selected, “Broadcasting” is displayed thereon as shown in the figure, and the security monitoring device 18 in FIG. The provided microphone 19 is turned on, and the audio signal from the microphone 19 is digitally encoded and transmitted to the security adapter 7 of the dwelling unit 1. When the broadcast end is clicked, the broadcast display is deleted, and the control of the security adapter 7 of the dwelling unit 1 is turned off.

  In the above embodiment, the security monitoring device 18 on the CATV center 2 side performs various security monitoring processes using the map screen, history screen, message screen, notification broadcast screen, and user management screen. However, the present invention is not limited to this, and an appropriate security monitoring process can be applied as necessary.

  In the above embodiment, the security adapter 7 is provided independently of the dwelling unit receiver 3, but the function of the security adapter 7 may be built in the dwelling unit receiver 3.

In the above embodiment, the CATV center 2 is provided with two servers, a security server 17a for monitoring and controlling security information and an Internet server 17b for monitoring and controlling the Internet. One may be provided to have both functions.

1: Dwelling unit 2: CATV center 3: Receiver for dwelling unit 4: Fire detector 5: Gas detector 6: Emergency push button 7: Security adapter 8: Coaxial cable 9: Hub (concentrator)
10: Cable modem 11: Guard 12: Personal computer 13: Television 14: Set box (STB)
15: Optical coaxial hybrid (HFC) network 16: Center modem 17: Security server 18: Security monitoring device 19: Microphone 20: Monitor 21: Router 22: Internet 23: Public institution 24: CATV network 25: Control unit 26: Security Transmitter 27: Message processor 28: Display time manager 29: Transfer mode processor 30: Security signal receiver 31: Network IC
32: Connector 34: Operation unit 34a: Message switch 34b: Inspection switch 34c: Mail switch 35: Liquid crystal display unit 36: Speech synthesis IC
37: Amplifier 38: Speaker 39: AC / DC converter 40: Power supply unit 42: Monitoring screen 43: Menu display area 44: Main screen 45: Alarm display area 46: Map 47: History 48: Message 49: Notification broadcast 50: User management 51: Map screen 52: Whole map 53: User information display 54: Detailed map 55: Abnormality dwelling unit 56: History screen 57: Message screen 58: User management screen 59: Notification broadcast screen

Claims (6)

In a CATV security system using a CATV transmission network for communication between a center and a plurality of dwelling units,
Each dwelling unit is
Security sensors such as fire detectors, gas leak detectors, security sensors,
A dwelling unit receiver that monitors the sensor signal of the security sensor;
A security adapter that converts the security signal output from the receiver for the dwelling unit into an Internet protocol and outputs the security signal;
A cable modem for communicating an Internet protocol-converted security signal output from the security adapter to the center via a trunk line;
A concentrator connected to the cable modem;
With
The center
A center modem connected to the main line and communicating with each dwelling unit,
A security server that stores and controls security signals transmitted from the dwelling units;
A security monitoring device for informing a security signal of the security server;
An Internet server connected to the center modem;
With
Each dwelling unit can connect the security adapter via the line concentrator and an Internet terminal having a browser function such as a personal computer,
The security server of the center receives the security signal transmitted from the dwelling unit, creates a Web page based on the security signal, and transfers it to the Internet server.
When the Internet server accumulates the transferred Web page and publishes it on the Internet, and there is an access from an Internet terminal having a browser function such as a personal computer in the dwelling unit or a computer connected to the Internet The CATV security system, wherein the Web page is output to
2. The CATV security system according to claim 1, wherein the security adapter is:
A receiver for receiving a security signal output from the receiver for dwelling units;
A control unit that determines a security type from a security signal output from the receiving unit, and outputs a security signal according to the type;
A network IC for outputting a security signal output from the control unit after IP (Internet Protocol) conversion;
A display unit that displays information according to the type of security instructed by the control unit;
The CATV security system is characterized in that the control unit performs an output for causing the display unit to perform display according to a security type.
The CATV security system according to claim 2.
When the security server of the center receives a security signal, it transmits a predetermined message signal to a predetermined area and dwelling unit,
The CATV security system, wherein the control unit of the security adapter displays the predetermined message on the display unit when receiving a predetermined message signal from the center.
The CATV security system according to claim 3.
The center security server adds a display time signal to a predetermined message signal and transmits it,
When the control unit of the security adapter receives a predetermined message signal from the center, the control unit displays the predetermined message on the display unit and displays the message when a display time set by the display time signal elapses. CATV security system characterized in that the system is erased.
The CATV security system according to claim 2.
The security monitoring device includes a microphone, and the security server outputs an audio signal input via the microphone to the trunk line via the center modem,
The CATV security system, wherein the security adapter includes a voice synthesis unit, an amplifier, and a speaker, and the control unit outputs the voice signal to the voice synthesis unit when it receives the voice signal.
In the CATV security system according to any one of claims 1 to 3,
The security adapter includes a transfer mode setting switch,
The control unit sets the transfer mode by operating the transfer mode setting switch, and when transmitting a security signal in this mode state, adds the transfer mode and transmits,
The CATV security system, wherein the security server at the center, when receiving a security signal to which the transfer mode is added, e-mails the content of the security signal to a previously registered report destination.

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