CN2367032Y - Charging-to-an-account management type telephone set - Google Patents

Abstract

The utility model relates to a charging-to-an-account management type telephone set which comprises a polarity protection circuit, a ringing circuit, a conversation circuit, a dialing circuit and a CPU control circuit, wherein the CPU control circuit comprises a CPU unit, a power supply reset unit, a detection unit, a display unit, a storage unit, a dual-audio generating unit and a selective unit. The telephone set is dispensed with an IC card plug-in circuit and uses the CPU unit with strong software function. When the utility model is used, the IC plug-in card is not used. The phone can be made by inputting the corresponding password, and the telephone set avoids distress and inconvenience caused by the breakage or missing of the IC card and blockage by the plug-in card.

Description

Register controlled telephone

The utility model relates to communication terminal device, relates more specifically to a kind of register controlled telephone of the IC of need not plug-in card.

The register controlled telephone of IC-card is widely used in office, enterprises and institutions, units such as school, such telephone set is convenient to be arranged on an intramural phone and is used unified management, make a phone call the people as long as hand-held IC plug-in card, when needs are made a phone call, the IC plug-in card is promptly dialed once inserting as use one Daepori energising phone in the IC-card card slot of the register controlled telephone of IC-card, putting down in writing each holder's password on this IC-card, the information such as specified expense of the use that allows, the effect of the register controlled telephone of this IC-card in the internal institution Telephone Management Agency is conspicuous, but exist again such as the telephoner and IC-card must be carried simultaneously, if in a single day IC-card loses the shortcoming that just can't call, and the thing that IC-card is lost happens occasionally; IC-card also can be damaged in addition, and the IC-card slot on the telephone set is also stopped up by foreign material easily, influences the normal use of telephone set, so people wish to have a kind of telephone set that needn't use the IC plug-in card, have an accounting management function simultaneously to appear on the market.

For this reason, the utility model proposes a kind of register controlled telephone that needn't use the IC plug-in card at the shortcoming that the register controlled telephone of above-mentioned IC plug-in card exists.

To achieve these goals; the utility model adopts following technical scheme: the same with the register management electricity of IC-card machine alive; it comprises polar protective circuit; ringing circuit; speaking circuit; dial-up circuit; cpu control circuit; the input of polar protective circuit and the ringing circuit inlet wire of all answering the call; the output of polar protective circuit respectively with speaking circuit; dial-up circuit is connected with cpu control circuit is two-way; dial-up circuit has two-way output; one the tunnel is output as double-tone exports frequently; this double-tone is exported frequently with cpu control circuit and is joined; another road is quiet output; quiet output is connected to speaking circuit; cpu control circuit is connected with speaking circuit is two-way; it is characterized in that: said cpu control circuit further comprises CPU element; the power reset unit; detecting unit; display unit; storage element; the double-tone living unit that takes place frequently; selected cell; CPU element respectively with storage element; the double-tone two-way connection in living unit that takes place frequently; the selection output of CPU element is connected to selected cell; the output of power reset unit and detecting unit is connected to the power reset end and the test side of CPU element respectively; the input of power reset unit and the output of polar protective circuit are joined; the input of detecting unit and the output of the audio frequency of speaking circuit are joined; the input of selected cell respectively with dial-up circuit; CPU element; the take place frequently output of living unit of double-tone is joined; the output and the speaking circuit of selected cell are joined, and the input of display unit and CPU element output join.

Compare with the register controlled telephone of IC-card, because the utility model has been save IC-card plug-in card circuit, employing has powerful software function CPU element, when using this telephone set to make a phone call, needn't use the IC plug-in card, as long as the corresponding password of input just can be called, therefore, this telephone set removed from because of the damage of IC-card or lose, bitter brain and inconvenience that IC plug-in card obstruction is brought.

Under request in person in conjunction with the accompanying drawings and embodiments, the utility model is described in further detail:

Fig. 1 is one of schematic block circuit diagram of the present utility model.

Fig. 2 is two of a schematic block circuit diagram of the present utility model.

Fig. 3 is a schematic block circuit diagram of the present utility model.

See also shown in Figure 1; the utility model comprises polar protective circuit 1; ringing circuit 2; speaking circuit 3; dial-up circuit 4; cpu control circuit 5; the input of polar protective circuit 1 and ringing circuit 2 inlet wire of all answering the call; the output of polar protective circuit 1 respectively with speaking circuit 3; dial-up circuit 4 and 5 two-way connections of cpu control circuit; dial-up circuit 4 has two-way output; one the tunnel is output as double-tone exports frequently; this double-tone is exported frequently with cpu control circuit 5 and is joined; another road is quiet output; quiet output is connected to speaking circuit 3, cpu control circuit 5 and 3 two-way connections of speaking circuit.

Please continue in conjunction with Fig. 2, cpu control circuit 5 of the present utility model further comprises CPU element 51, power reset unit 52, detecting unit 53, display unit 54, storage element 55, double-tone take place frequently living unit 56, selected cell 57.CPU element 51 respectively with storage element 55; the double-tone living unit 56 two-way connections that take place frequently; the selection output of CPU element 51 is connected to selected cell 57; the output of power reset unit 52 and detecting unit 53 is connected to the power reset end and the test side of CPU element 51 respectively; the output of the input of power reset unit 52 and polar protective circuit 1 is joined; the audio frequency output of the input of detecting unit 53 and speaking circuit 3 is joined; selected cell 57 has three inputs; these three inputs respectively with dial-up circuit 4; CPU element 51; the take place frequently output of living unit 56 of double-tone is joined; the output of selected cell 57 and speaking circuit 3 are joined, and the input of display unit 54 and CPU element 51 outputs join.Output at polar protective circuit 1 also is connected to anti-free call on sb. else's expense through illegal means circuit 6.

CPU element 51 main employing models are the microprocessor of AT89C51, it is the core of whole telephone set, be solidified with the powerful software of supporting the cpu control circuit operate as normal in it, the take place frequently work of unit such as giving birth to of dialing, demonstration, storage, double-tone can be controlled, multiple rate, multiple record keeping or the working method of not keeping accounts and multiple using method can be realized.

Power reset unit 52 mainly is made up of transistor 1Q4,1Q5 and Q2, Resistor-Capacitor Unit etc.It should guarantee the working power of CPU element 51 and reset, and can close and to cooperate with the fork of putting of telephone set, resets strictly to cooperate and put the action that fork is closed, and guarantees switch and resets success.

Detecting unit 53 mainly is made up of LM358 double operational integrated package, triode Q3, Resistor-Capacitor Unit, and it detects ringing tone signal and supplies with CPU element 51 on speaking circuit 3, for CPU element 51 realizes that automatic charging provides foundation.

Display unit 54 usefulness LCD display show all data that CPU element 51 is gathered, as data such as telephone number, charge rate, expense remaining sum, air times.

Double-tone take place frequently living unit 56 mainly by crystal oscillator X2 and HT9200A double-tone frequently integrated package, Resistor-Capacitor Unit etc. form, be the circuit that produces double-audio signal.

Main triode Q1, the Resistor-Capacitor Units of adopting of selected cell 57 are that double-audio signal that dial-up circuit 4 is produced and double-tone take place frequently double-audio signal that living unit 56 produces by CPU element 51 controls and send into speaking circuit 3.

Storage element 55 stores integrated package by 24C16 and constitutes, and it is the warehouse that in time deposits in and export of CPU element 51 data.

The speaking circuit 3 main models that adopt are MC33215 conversation integrated package, transmitter 2MIC1,2MIC2, receiver 2REC1 and loud speaker 2SPK1, Resistor-Capacitor Unit etc.Speaking circuit 3 is to finish sending words, being talked about function of telephone set, and accepts the amplification of double-audio signal, and MC33215 conversation integrated package has good call performance, makes handle conversation and hand-free call all can finish at a circuit.

Dial-up circuit 4 mainly is made up of HT9305D dialing integrated package, dial K1, K3, crystal oscillator X1, Resistor-Capacitor Unit, and it is a dial feature of finishing telephone set, but can dialling of it will be subjected to the control of CPU element 51.

Anti-free call on sb. else's expense through illegal means circuit 6 main transistor 4Q1-4Q4, diode, Resistor-Capacitor Unit and the music-integrating block 4U1 of adopting, the effect of this circuit is, connect other telephone set when making a phone call when the inlet wire of this phone is stolen, this telephone set can send alarm signal by anti-free call on sb. else's expense through illegal means circuit, to remind the user people's free call on somebody else's expense through illegal means on its circuit is arranged.

The utility model operation principle is: when on dial K1, the K3 by after going out password, dial-up circuit 4 is to 51 frequent coded signals of double-tone of CPU element, CPU element 51 is sent signal to display unit 54 again, identical as the frequent coded signal of double-tone with password in the CPU element 51, the amount of money that then shows this code number at display unit 54, if there are enough remaining sums then can call arbitrarily, if remaining sum is not enough or password not to then not calling.When calling; number on the dial K1 transmits to CPU element 51 and speaking circuit 3 by dial-up circuit 4; CPU element 51 transmits to display unit 54, storage element 55, selected cell 57 again; finish demonstration, storage and selection function respectively; transmitted to speaking circuit 3 by selected cell 57, speaking circuit 3 is amplified after polar protective circuit 1 outputs on the telephone wire again.Telephone wire is passed ringing tone signal again back and is arrived speaking circuit 3 through polar protective circuit 1; detecting unit 53 send CPU element 51 after the audio signal that detects ring-back tone on the speaking circuit 3; determine that after treatment the other side proposes the charging that promptly picks up counting behind the machine, and show by display unit 54.End of conversation is the deduction conversation amount of money in the remaining sum of this password number automatically.Though so this machine plug-in card has not also been realized the function of controlled telephone.

Continue to consult Fig. 2, shown in Figure 3 again, 9 pin of the microprocessor AT89C51 of CPU element 51 are resetting pin, connect the output of reset unit 52; 27,28,34 pin of AT89C51 are respectively data, clock, three input ports of selection, and join with take place frequently 6,5,1 port of HTA9200A of living unit 56 of double-tone; 13,33 pin connect 13,12 pin of the dialing integrated package HT9305 of dial-up circuit 4, accept the clock and the data-signal of dial-up circuit 4; 1, the 37 pin sides of microprocessor AT89C51 are the storage integrated package 24C16 bidirectional ports 5,6 that the data of CPU element 51 deposited or output in storage element 55 through resistance R 18,19; 3,4,2 pin of AT89C51 connect display unit 54 respectively; 12 pin are to accept the ringing tone signal that the double operational integrated package LM358 of detecting unit 53 sends here; 24 pin connect the quiet input of dial-up circuit 4; 26 pin then are to control the double-audio signal that all dual-tone dialing signals of dial-up circuit 4 or sound double frequency generating unit 56 are sent out by the transistor 9012 of selected cell 57; 15,14,8,7 pin of AT89C51 are connected respectively to corresponding setting, 300, account number, the affirmation function key on the dial K3.

All element circuits in the utility model, in ringing circuit 2, polar protective circuit 1, dial-up circuit 4, speaking circuit 3, anti-theft circuit 6 and the cpu control circuit 5 are circuit in the existing telephone machine, belong to prior art.

The course of work of the present utility model is described below: identical with the course of work of ordinary telephone set when calling, and jingle bell, mention handle or answer the call by Hands-free key.When fetching words, this telephone set is accounting fee not.Before this electricity machine of living uses, must be provided with in advance, mention handle or by Hands-free key, telephone set is connected, and CPU element 51 resets, by the key that is provided with on the dial K3, by this secret sign indicating number number, behind careful sign indicating number, press acknowledgement key again, if the password of input is correct, then can show " 0123456789-is set ", then carry out following setting again, be the office direction setting by " 0 ", totally 50 groups, form by 1～5 for every group.This is to make a phone call in local exchange scope or local area scope, and telephone rate is minimum.For example in Songjiang District, make a phone call, office direction can be arranged to " 5780-5789 " ten groups of office direction phones.When dialing in Songjiang District of these telephone numbers beginning phone, can get lower rate.

By " 1 ", be the setting of aggregate limit and Permission Levels, totally 6, preceding 5 is the amount of money, accuracy can be set to branch, promptly 999.99 yuan is top limit, and the position, end is the rank setting, and the rank setting can be divided into 4 grades again, 3rd level is a free way, can freely use the same with ordinary telephone set, be not subjected to any restriction, promptly do not charge and can freely call.Can also use 300 function keys on this machine side plate, dial 300 card phones and call according to the inquiry clawback function that " inquiry " on the panel, " ↑ ", " ↓ " key provide for you provide.The 2nd grade is local mode, and open office direction phone and local telephone network can not be dialed toll telephone, if will dial, must dial with 300 functions.But can use query key clawback function to dial office direction phone and local telephone network, the 1st grade, beginning is to phone, local telephone network and long-distancely all can not dial.But also available query clawback function is dialed the office direction phone.0 grade of mode, promptly the account number mode is called, and calls with the personal account number fully, and no account number person can not use.According to above-mentioned introduction, being provided with of this last digit is extremely important.If by " 0 ", this telephone set can only just can be called with personal account number's (also can claim personal identification number) with last digit, and according to different telephone rates, bales catch removes the amount of money in the personal account number.This is as register IC Card Telephone machine, must just can call with bales catch with IC-card and remove the amount of money on IC-card.

By " 2 ", set up personal account number, limit, rank, the personal account number is 5 in every group, and the amount of money is 5, and the position is not a rank.Method to set up and implication are same as described above.

By " 3 ", 300 cards are provided with, and maximum 48, are divided into 4 groups and import every group maximum 12.

By " 4 ", this secret sign indicating number is provided with totally 5.

By " 5 " factory reset.

Be provided with by " 6 " immediate charging number, totally 15 groups, 1～5 every group.

Out number setting during by " 7 " extension set, totally 2.If under the extension set state, work, the out number setting of extension set need be arranged, then after " 7 ", pressing extension set out number " 0 " or " 9 " again, then this machine is worked under extension set, only otherwise when dial-out office number " 0 " or " 9 ", this machine can freely be dialed in the extension set scope, does not also charge.Just charge when only after by out number, calling,, then after pressing " 7 " and cls, directly press acknowledgement key if be installed under the linear state.

By " 8 ", dail-limiting number setting, totally 20 groups, 1～5 every group.

By " 9 ", rate setting, totally 5 groups, 5 every group.

Only after having passed through above-mentioned correct setting, this machine could drop into operate as normal.

When if this machine is arranged to " 0 " level work mode, when mentioning handle or pressing Hands-free key, this machine is connected, and CPU element 51 resets, and display screen shows total remaining sum.At this moment can only just can call with the personal account number.Press the account number key, 2,3,4 pin, 2,3,4 pin that the signal of account number key enters the microprocessor AT89C51 of CPU element are transported to signal display unit 54 again and are shown and change " password " printed words into by remaining sum.After importing personal identification number (or personal account number) again, code signal enters 33,13 pin of the microprocessor AT89C51 of CPU element 51 by 12,13 pin of dialing integrated package, enter display unit 54 again, show "-----" five segment secret symbols, press acknowledgement key, enter-key signal enters 7 pin of microprocessor, enters display unit 54 again, shows personal account number's remaining sum.At this moment, can on the personal account number, call.Show the telephone number of being beaten, detecting unit 53 detects ringing tone signal, when the other side's off-hook, and behind the interruption ringing tone signal, the beginning automatic charging, display unit 54 shows this air time and telephone expenses, end of conversation can be deducted fees automatically.

If dial " 300 " phone in " 0 " level work mode, need be introduced into the personal account number so, then by 300 keys, by the telephone number that you dialled, press acknowledgement key.This chance is put through your desired phone according to the 300 telecommunications forms that give in being arranged on earlier automatically.The remaining sum on 300 cards be can only deduct, 300 remaining sums of blocking and the remaining sum on the personal account number also can be deducted simultaneously.

If work under 1 grade of mode, at this moment only open office direction phone can at will be dialed in open office direction phone, but can not dial local telephone network and long-distance, can dial local telephone network and long-distance with 300 functions.

If work under 2 grades of modes, except that toll telephone must be dialed with 300 functions, office direction phone and local telephone network all can freely be dialed.

If under 3 grades of modes, work, can equally with ordinary telephone set use, be not subjected to any restriction.

More than several modes, all can realize that clawback query function and clawback call function by query key, clawback key.

Telephone set is after entering personal account number or free dialing status; utilize button to call; push button signalling enters; 13 of dialing integrated package; 12 pin are given 13 of microprocessor; 33 pin send clock and data-signal; CPU element 51 is on the one hand with gating; data; clock signal is through 3 of microprocessor; 4; 2 pin are sent into display unit 54 and are shown that institute dials the number; 26 pin of microprocessor are sent the base stage of control signal to the transistor Q1 of selected cell 51 on the other hand; the double-audio signal sent of 18 pin of dialing integrated package is entered 8 pin of the conversation integrated package of speaking circuit 3 after by selected cell 57; amplify through speaking circuit 3, send into telephone wire output by polar protective circuit 1 again.When dial-up circuit 4 is sent double-audio signal, send 17 pin of mute signal at 9 pin of dialing integrated package again to speaking circuit 3 conversation integrated packages, close speaking circuit 3 transmitter 2MIC1, so that guarantee normal double-audio signal.In case FD finished dialing, quiet stopping, 2MIC1 opens, and just returns to normal talking state.After phone is transferred to, but the just ring-back tone of uppick, and this machine constitutes the ring-back tone detecting unit by the LM358 double operational is integrated.Ringing tone signal is drawn from the receiver 2REC end of speaking circuit 3 in this unit, advance 2 pin of LM358 double operational integrated package, through amplification ratio after a undersuing, send into microprocessor 12 pin of CPU element 51 by 7 pin, when not receiving a complete ringing tone signal always, CPU element 51 can be chargeed after 25 seconds in time-delay, if when not having ringing tone signal again after having detected a complete ringing tone signal, then charges after 1～6 second in time-delay.If receive ringing tone signal always, then do not charge always, when busy tone occurring, begin to charge.But at this moment phone is not also got through, and has begun to have chargeed.Therefore for logical phone not easy to hang, do not wait for a long time,, should hang up once and redial above 1 minute, otherwise accounting fee.

Claims (3)

1; a kind of register controlled telephone; it comprises polar protective circuit; ringing circuit; speaking circuit; dial-up circuit; cpu control circuit; the input of polar protective circuit and the ringing circuit inlet wire of all answering the call; the output of polar protective circuit respectively with speaking circuit; dial-up circuit is connected with cpu control circuit is two-way; dial-up circuit has two-way output; one the tunnel is output as double-tone exports frequently; this double-tone is exported frequently with cpu control circuit and is joined; another road is quiet output; quiet output is connected to speaking circuit; cpu control circuit is connected with speaking circuit is two-way; it is characterized in that: said cpu control circuit further comprises CPU element; the power reset unit; detecting unit; display unit; storage element; the double-tone living unit that takes place frequently; selected cell; CPU element respectively with storage element; the double-tone two-way connection in living unit that takes place frequently; the selection output of CPU element is connected to selected cell; the output of power reset unit and detecting unit is connected to the power reset end and the test side of CPU element respectively; the input of power reset unit and the output of polar protective circuit are joined; the input of detecting unit and the output of the audio frequency of speaking circuit are joined; the input of selected cell respectively with dial-up circuit; CPU element; the take place frequently output of living unit of double-tone is joined; the output and the speaking circuit of selected cell are joined, and the input of display unit and CPU element output join.

2, register controlled telephone as claimed in claim 1 is characterized in that: this telephone set also further includes anti-free call on sb. else's expense through illegal means circuit, and the input of anti-free call on sb. else's expense through illegal means circuit and the output of polar protective circuit are joined.

3, register controlled telephone as claimed in claim 1 or 2 is characterized in that: it is MC33215 that the conversation integrated package in the said speaking circuit adopts model.

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