CN2212289Y

CN2212289Y - Telephone controller

Info

Publication number: CN2212289Y
Application number: CN 94220409
Authority: CN
Inventors: 张开良
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-08-27
Filing date: 1994-08-27
Publication date: 1995-11-08
Anticipated expiration: 2004-08-27

Abstract

The utility model relates to a telephone controller which can be connected in parallel in telephone channels. The utility model is composed of a decoder (1), a pulse/ringing current detector (2), a lifting machine recognizer (3), a dialer (6), a single audio signal driver (5), a microprocessor (4), and a buzzing prompting device (7), wherein, the decoder (1), the pulse/ringing current detector (2), and the lifting machine recognizer (3) are used for detecting signals in telephone channels and transmitting detected signals to the microprocessor (4); signals are output to the dialer (6) or the single audio signal driver (5) for controlling by the microprocessor (4) according to conditions of the signals, or the buzzing prompting device (7) is driven by the microprocessor (4), and the goal of illegal telephone parallel connection prevention, dial limitation, and telephone disturbance prevention can be achieved.

Description

Telephone controller

The utility model relates to a kind of telephone controller, is mainly used in to prevent illegal extension telephone machine, limited dialing and make nuisance calls.

Phone brings convenience to people on the one hand, also brings some worries to people on the other hand, and the one, what telephone line usually can suffer outside lawless person connects and steals group toll telephone steathily, to oneself causing unnecessary economic loss; The 2nd, own when having a rest, usually have some inessential making nuisance calls, if telephone set is hung up, worry that again important number do not come in.Present controller for telephone can only limit toll dialing usually, therefore, presses for a kind of control device that can prevent illegal parallel operation and prevent to make nuisance calls.

The utility model aims to provide a kind of telephone controller that can prevent illegal extension telephone machine, limited dialing and prevent to make nuisance calls.

The purpose of this utility model is achieved in that in speech channel and connects one is the telephone controller of core with the microprocessor.Telephone controller mainly is made up of decoder, pulse/ringing-current detector, act machine identifier, dialer, single audio signal driver, microprocessor, buzzing prompting device.The input of decoder, pulse/ringing-current detector, act machine understanding device is attempted by in the speech channel, and its output is connected with the input of microprocessor respectively; The output of microprocessor is connected with the input of dialer, single audio signal driver and buzzing prompting device respectively, and the output of dialer is attempted by in the speech channel; When decoder detects when in the speech channel DTMF pulsing being arranged, microprocessor is given in dialling the number that decoder will solve, and microprocessor output high level is given dialer, makes the dialer conducting, and telephone controller is lifted machine; Judge whether to be limited code simultaneously, if institute dials the number when not being limited code, the microprocessor output low level is given dialer, and dialer is ended, and the telephone controller on-hook allows telephone set continue dialing; Belong to the restriction number if institute dials the number, then microprocessor driven single audio signal driver sends signal and disturbs in to speech channel through dialer.Stop immediately when act machine identifier has the telephone set on-hook signal disturbing when microprocessor detects, output low level is given dialer simultaneously, dialer is ended, the telephone controller on-hook.When pulse/ringing-current detector detects when in the speech channel pulse dialing being arranged, pulse/ringing-current detector is given microprocessor with detected signal, and microprocessor output high level is given dialer, makes the dialer conducting, telephone controller is lifted machine, and the telephone set in the speech channel can't continue dialing.Act machine identifier is used for detecting the telephone set of speech channel and whether lifts machine, and output low level is given dialer when microprocessor detects act machine identifier the telephone set on-hook signal is arranged, and dialer is ended, phone control on-hook.When pulse/when the ringing-current detector detects the phone ringing-current, pulse/ringing-current detector is given microprocessor with detected ringing signal, microprocessor output high level is given dialer, make the dialer conducting, telephone controller is lifted machine, and microprocessor wait outside is dialled password (only accepting the dual-tone multifrequency dial-up) again, the password of dialling is given microprocessor behind decoder decode, microprocessor compares password and the password that sets, if password is correct, then drives buzzer and sends voice prompt.When sending buzzerphone, lift machine identifier detection telephone set and whether lift machine, if telephone set has been lifted machine, microprocessor stops buzzerphone output, and output low level ends dialer, the telephone controller on-hook to dialer.If password is not right, then the microprocessor output low level is given dialer, and dialer is ended, and the filtering screening phone is so just played in the telephone controller on-hook, prevents the effect of harassing.

Because the utility model extension telephone controller in speech channel by monitoring the speech channel state, disturbs illegal extension telephone machine and illegal dialing, and illegal use can't be carried out; Simultaneously, the phone that can throw into to external world screens, and makes nuisance calls preventing.

Below in conjunction with drawings and Examples the utility model is further described.

Fig. 1 is the schematic block circuit diagram of the utility model telephone controller.

Fig. 2 is the circuit theory diagrams of the utility model telephone controller.

With reference to Fig. 1, Fig. 2, telephone controller mainly is made up of decoder 1, pulse/ringing-current detector 2, act machine identifier 3, dialer 6, single audio signal driver 5, microprocessor 4, buzzing prompting device 7.Wherein, decoder 1 is made of DTMF decoding integrated component and peripheral cell, and microprocessor MCU is MC68HC05 or MCS51 series chip microprocessor.

The detection control of illegal parallel operation or illegal dialing in the speech channel: telephone controller is monitored the state of speech channel at any time, can detect through decoder 1 whether dual-tone dialing is arranged in the speech channel, can detect through pulse/ringing-current detector 2 whether pulse dialing is arranged in the speech channel.When in detecting speech channel, DTMF pulsing being arranged, MCU is sent in dialling the number that decoder 1 will solve, MCU output high level makes the P2 conducting through D2, R16, N1, the R17 of dialer 6, telephone controller is lifted machine, judges whether to be limited code simultaneously, when being not limited code as if institute's dial-up, the MCU output low level, P2 is ended, and the telephone controller on-hook allows telephone set continue dialing; Belong to the restriction number if institute dials the number, then MCU sends single audio signal and is fed to through D3, N5, C7, N2, the N3 of single audio signal driver 5 and disturbs in the speech channel, makes the telephone set in the speech channel can't continue dialing, plays anti-theft parallel operation and limited dialing effect.MCU detects also whether 01 output of act machine identifier 3 is low level when sending interference, be output as low level if detect 01, telephone set on-hook is described, MCU stops to disturb immediately, output low level is ended P2 simultaneously, the controller on-hook, if MCU detects the not on-hook of telephone set in the speech channel, then MCU continues to disturb.If the telephone set in the speech channel is pulse dialing, then decoder 1 is inoperative, but 02 of pulse at this moment/ringing-current detector 2 is output as low level, when detecting 02 when being output as low level, MCU output high level makes the P2 conducting, at this moment the telephone set in the speech channel can't continue dialing, and in like manner MCU detects in the act machine identifier 3 01 output situation, judge whether on-hook of telephone set.

The filtering screening of calling in the outside: 02 its output when receiving the phone ringing-current also is low level in pulse/ringing-current detector 2, MCU exports high level after being output as low level at once detecting 02, D2 in dialer 6, R16, N1 makes the P2 conducting, telephone controller is lifted machine, MCU dials password (only accepting the dual-tone multifrequency dial-up) again in delay following period of time wait outside, the password of dialling through the R6 of decoder 1, send into MCU after C5 and the decoder U4 decoding, MCU compares password and the password that sets, if password is correct, then MCU is through the R13 of buzzing drive circuit, N4 drives buzzer S1 and sends the buzzing voice prompt, when MCU sends buzzerphone, whether 01 output that detects act machine identifier 3 is high level, if high level then illustrates telephone set and has lifted machine, MCU stops buzzerphone output, and P2 is ended, the telephone controller on-hook.If password is not right, then MCU makes P2 end at once, and the filtering screening phone is so just played in the telephone controller on-hook, prevents the effect of harassing.

Telephone controller can be established monitor 8 and several appliance switch drivers 9, telephone controller is lifted machine after phone is squeezed in the outside, at this moment can dial a series of control commands, after MCU receives control command, keying that can the control apparatus switch, also can export D1, N6, the R3 of high level in monitor 8 and make the P1 conducting, power supply is provided for the microphone in the monitor 8, so just can listen to indoor sound.

Telephone controller also can be established several interfaces (SEN), these interfaces can with take precautions against natural calamities, theft-proof sensor 10 joins, when detecting sensor signal when unusual, MCU promptly through outside dialing alarm such as D2, the R16 of dialer 6, N1, R17, P2, realizes automatic dialing alarm.

This telephone controller and telephone set also connect, external 7.5～9V DC power supply, and starting switch is started working behind the telephone controller prompting sound.Telephone controller has two passwords, calls out when password AAA squeezes into as the outside and uses, and password BBB uses when importing various command for owner.Using method is as follows:

1. dialing limit setting: the dialing restriction can have two kinds of operations: 1. when telephone controller lock machine switch pushed " ON ", then the telephone set in the speech channel can't outwards dial.2. telephone controller lock machine switch pushes " OFF " and by with the setting that gives an order, also the telephone set that can limit in the speech channel outwards dials.Method is, after lifting the telephone set in the speech channel or putting through the telephone set in the speech channel and hear " sting-rub-a-dub---" one from the outside, as input " * 97BBB*1# ", just this phone can't outwards be dialled, at this moment also plays anti-theft parallel operation effect; As input " #97BBB*1# ", then cancel all dialing restrictions.As input " * 97BBB*0# ", then limit long-distance group of words; As input " #97BBB*0# ", then cancel the toll dialing restriction; Other and the like.

2. the modification of password AAA and BBB: the modification of password AAA and BBB can only be by carrying out on the telephone set in button on the controller and the speech channel, and the phone of calling in from the outside then can't be revised this password.1. the modification of password AAA: mention the telephone set in the speech channel, input " * 98BBB*A ' A ' A ' # " just makes Old Password AAA into new password A ' A ' A '.Revise and correctly can hear the telephone controller prompting sound.2. the modification of password BBB is the same.

3. the phone of dialing, the setting of called number automatically: phone or called number can preestablish two, can carry out on telephone set in the speech channel or outside phone.Method is: mention the telephone set in the speech channel, or after putting through this machine and hear " sting-rub-a-dub---" sound from external call, press " * 90XBBB*XXXXXXXXXXX# " (as setting 2025932 telephone numbers, password BBB is 623, then can import as follows: " * 901623*2025932# ") controller prompting sound when setting is correct.

4. the straighforward operation of going out: when owner wants to understand the electric equipment that family situation or remote control configured outside, after can putting through phone and hear " sting-rub-a-dub---" sound from the outside, control by " * 91BBB*X# " instruction.As monitoring the family sound, can import following " * 91BBB*0# " instruction, just can listen sound to home, by any button, then turn-off monitor function again, as not turn-offing instruction, then listening period is the longest continues four minutes; As understanding the family alarm condition, can import following " * 91BBB*1# " instruction, just can hear it is the prompting which passage is reported to the police.As input " * 91BBB*2# ", then closed first appliance switch; As input " #91BBB*2# ", then disconnect first appliance switch; As input " * 91BBB*3# ", then closed second appliance switch; As input " #91BBB*3# ", then disconnect second appliance switch.

Claims

1, a kind of telephone controller that is attempted by in the speech channel is characterized in that: this telephone controller is made up of decoder (1), pulse/ringing-current detector (2), act machine understanding device (3), dialer (6), single audio signal driver (5), microprocessor (4), buzzing prompting device (7); The input of decoder (1), pulse/ringing-current detector (2), act machine understanding device (3) is attempted by in the speech channel, is respectively applied for and detects in the speech channel whether DTMF pulsing signal, pulse dialing signal, ringing signal, act machine signal are arranged; The output of decoder (1), pulse/ringing-current detector (2) and act machine understanding device (3) is connected with the input of microprocessor (4); The output of microprocessor (4) is connected with the input of dialer (6), single audio signal driver (5) and buzzing prompting device (7) respectively, and the output of dialer (6) is attempted by in the speech channel; Microprocessor (4) is according to the situation of above-mentioned DTMF pulsing signal, pulse dialing signal, ringing signal and the machine of act signal, and output signal control dialer (6) ends or conducting dialer (6); Or output signal drives single audio signal driver (5) and sends single audio signal through dialer (6), and speech channel is disturbed; Or output signal drives buzzing prompting device (7).

2, telephone controller according to claim 1, it is characterized in that: this telephone controller is provided with monitor (8) and several appliance switch drivers (9), the output of microprocessor (4) is connected with the input of control monitor (8) and appliance switch driver (9) respectively, and the output of control monitor (8) is connected with the input of dialer (6).

3, telephone controller according to claim 1, it is characterized in that: this microprocessor (4) is provided with several interfaces, these interfaces with take precautions against natural calamities, theft-proof sensor (10) joins, when microprocessor (4) detects transducer (10) abnormal signal, through the outside dialing alarm of dialer (6).