CN1190841A - Method of calling security guard for intermediate and small switchboard junction line in domestic automation system - Google Patents

Abstract

The invention provides a home automatic system with a network integration circuit, which forms communication paths to security guard duties according to the key entry received outside. The home automatic system comprises: a communication circuit used to provide central office line communication services; a DTMF transmitter used to generate a dialing signal when call starts; a DTMF receiver used to detect a DTMF key entry signal from outside in the remote mode. By adopting the home automatic system provided by the invention, outdoor users can call security guard duties that are not equipped with telephones by telephone. Accordingly, outdoor users can leave emergent and important information for security men at any moment.

Description

The method of central office line calling security guard for intermediate in the domestic automation system

The present invention relates to a kind of domestic automation system, more particularly, relate in the domestic automation system that is typically connected to central office line and security guard for intermediate circuit, the method that is used for remote calling security guard for intermediate is not installed the phone that is connected with central office line on this security guard for intermediate.

Generally, used domestic automation system has central office line communication service and security guard for intermediate communication service in the apartment.This central office line communication is communicated by letter irrelevant with described security guard for intermediate usually.So in common domestic automation system, can not directly call the security guard for intermediate of not having a telephone installed outdoor user.

Therefore, the objective of the invention is in domestic automation system, to pass through to use the network synthesis circuit, a kind of method from the external call security guard for intermediate is provided.

According to an aspect of the present invention, in domestic automation system, according to the key input that receives with the outside, the method that is formed into the security guard for intermediate communication path comprises step: from the described domestic automation system of external call to form communication path; Be input as calling security guard for intermediate and the key of appointment, thereby request is to the calling of security guard for intermediate; Central office line is connected to the security guard for intermediate circuit, so that communicate by letter with described security guard for intermediate.The present invention is directed to the central office line communication function that domestic automation system has usually and the combination of security guard for intermediate communication function, need not to increase extra hardware.

In addition, this domestic automation system comprises: the telecommunication circuit that is used to provide the central office line communication service; When beginning to call out, be used to produce the DTMF transmitter of dialing signal; In remote control mode, be used to detect DTMF receiver from the dtmf key input signal of outside.

By making above and other objects of the present invention below in conjunction with accompanying drawing to the detailed description of embodiment, feature and advantage are clearer, wherein:

Fig. 1 is the block diagram that the domestic automation system of security guard for intermediate communication service is provided by central office line according to embodiments of the invention;

Fig. 2 A-2C is the flow chart according to embodiments of the invention control domestic automation system.

Describe most preferred embodiment of the present invention below in conjunction with accompanying drawing, wherein identical label is represented components identical.In addition, should be expressly understood, just for understanding of the present invention giving an example better, need not these concrete descriptions and can implement the present invention equally as many concrete descriptions such as detailed circuit elements.And, should point out, omitted those unnecessary detailed descriptions in describing design of the present invention here wittingly to prior art.

With reference to figure 1, domestic automation system 2 according to the present invention comprises: controller 4; Automatic response unit 5; Peripheral circuit 6; Network synthesis circuit (IC) 8; Mobile phone 10; Central office line circuit 12; With security guard for intermediate circuit 14.As shown in the figure, the whole operation of controller 4 control domestic automation systems 2.Central office line telecommunication circuit 12 bases are come the control signal 16 of self-controller 4, and connect the signal of changing planes for a short time between trunk line and the network synthesis circuit 8.Security guard for intermediate circuit 14 according to the control signal 24 of coming self-controller 4, and connects signal between security guard for intermediate circuit and the network synthesis circuit 8.Network synthesis circuit 8, the control signal 18 according to coming self-controller 4 is connected to the security guard for intermediate circuit with central office line.Mobile phone 10 is connected to network synthesis circuit 8, and the user uses mobile phone 10 and other telex network.

Referring to Fig. 1 and Fig. 2 A-2C, if through central office line circuit 12, receive that the ring back tone from the calling party reaches predetermined times, by controller 4 with domestic automation system 12 off-hook automatically.Here, central office line circuit 12 comprises: the telecommunication circuit (not shown) that is used to provide the central office line communication service; When beginning to call out, be used to produce DTMF (dual-tone multifrequency) the transmitter (not shown) of dialing signal; With the DTMF receiver (not shown) that in remote control mode, is used to detect from outside dtmf key input signal.If domestic automation system 2 is off hook states when step 28 receives ring back tone, then in step 30, domestic automation system 2 will enter wait state, wait for from outside key input, controller 4 will be controlled automatic response unit 5, ask the response message of entering password with generation.In this pending state, in step 32, inspection is to have received key input series, such as the password of 4 bit digital.If it is received password,, that whether the password that receives is correct with the password of the standard password audit by comparison reception of storage in advance then in step 34.If the password that receives is incorrect,, checks and whether crossed preset time then in step 40.If preset time is not also pass by, then Cheng Chengxu turns back to step 32.Yet, if preset time has been gone over, cut off communication path at step 42 controller 4, finish this communication.

During this period, if in step 34, the password of reception is correct, and then in step 36, domestic automation system 2 control automatic response units 5 are used to illustrate the speech guiding response message that how to use long distance telephone number search control model with generation.Here, domestic automation system 2 according to the present invention comprises the automatic response unit 5 that is used to finish automatic answer function.Usually, if the user depresses predetermined key and password when receiving response message, then automatic response unit 5 will enter remote control mode, so but outdoor user's long distance playback of recorded information, record response message and transmission incoming call.According to the present invention, automatic response unit 5 also comprises the function of calling security guard for intermediate.Be used for the predetermined key that security guard for intermediate is called out if the user depresses, in step 38, controller 4 is used for the key input that security guard for intermediate is called out with detection.When detecting the key input that is used for the security guard for intermediate calling, under the control of controller 4, network synthesis circuit 8 is connected to security guard for intermediate circuit 14 with central office line circuit 12, so that be formed on the communication path between the user of security guard on the security guard for intermediate and central office line circuit 12.

At step 44-48, check that the key input in step 38 is numerical key or " * " key, at this moment, if the key that is used to carry out remote control mode of appointment is " * " key, then program by among the step 44-48 any to step 52.In step 52, controller 4 will be carried out the suitable function that interrelates with these key inputs.In addition, if in step 50, the user depresses to specify and is used for " # " key that security guard for intermediate is called out, and then in step 54, controller 4 is connected to the security guard for intermediate circuit by network synthesis circuit 8 with central office line, and at step 56 calling security guard for intermediate.In step 58, controller 4 checks whether the mobile phone 10 of domestic automation system 2 is off hook states then.If mobile phone 10 is off hook states, in step 60, controller 4 disconnects central office line and security guard for intermediate circuit, calls out so that end security guard for intermediate, and central office line is connected to mobile phone 10.Yet,,, check and whether passed through preset time in step 62 if be not off hook state at step 58 mobile phone 10.If passed through preset time, then in step 64, controller 4 is finished security guard for intermediate and is called out, and turns back to remote control mode.Yet if do not pass through preset time in step 62, controller will produce the call signal to security guard for intermediate.Then, in step 66, controller 4 checks whether received busy data from security guard for intermediate.If received busy data from security guard for intermediate, then program enters step 64.Yet,, will check whether connected the security guard for intermediate calling in step 68 program if do not receive busy data from security guard for intermediate.Then, if connected the security guard for intermediate calling in step 68, controller 4 will finish this security guard for intermediate in step 70 and call out.

From as can be known above-mentioned, use domestic automation system of the present invention, the security guard for intermediate of can call not having a telephone installed outdoor user.Therefore, outdoor user whenever all can and down for the urgent and important information of security guard for intermediate.

Claims (3)

1. method through the central office line calling security guard for intermediate in the domestic automation system comprises step:

From the described domestic automation system of external call, to form communication path;

Be input as the key of calling security guard for intermediate appointment, thereby request is to the calling of security guard for intermediate;

Central office line is connected to the security guard for intermediate circuit so that communicate by letter with described security guard for intermediate.

One kind in domestic automation system, form method according to the key that receives from the outside to the communication path of security guard for intermediate, comprise step:

When receiving ring back tone, the automatic-answering back device information that the request of transmission is entered password;

When the described automatic-answering back device information of response was entered password, if the password of input is correct, transmission was used to illustrate the guidance information that how to make long distance telephone number search control model;

When the described guidance information of response is depressed key into the calling security guard for intermediate appointment, central office line is connected with the security guard for intermediate circuit, so that communicate by letter with described security guard for intermediate.

3. according to the formation of claim 2 and the literary style of security guard for intermediate communication path, wherein said domestic automation system comprises a DTMF (dual-tone multifrequency) receiver.

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