CN2404283Y - Telephone with time-indicating arrangement - Google Patents

Abstract

The utility model discloses a telephone which comprises a main control chip, an information transceiver circuit which realizes the interaction between the main control chip and an administration center, and a ringing detecting circuit, an opposite polarity circuit and a storage circuit which are controlled by the main control chip. The utility model is characterized in that the utility model also comprises a wireless communication receiving and decoding circuit of which the communication port is connected with a communication port of the main control chip. The telephone meter can realize the operations of modifying charge parameters in a mode like 'group calling', etc. Since the utility model can be installed in each house like a water meter or an electricity meter, a telephone owner can know the situation of telephone charge at any time. Therefore, the utility model is favorable for the market competition of telecommunication industry. After the utility model is popularized and applied, the service and the management of communication appear a new leap, and the utility model can generate eye-catching social benefit and economic benefit.

Description

Telephone meter

The utility model relates to a kind of ticketing device, especially a kind ofly can add the station message recording device that is installed on the telephone set and can manages concentratedly, belongs to communication technical field.

Independently the ticketing device is eliminated by flood because of its rate change difficulty, the ticketing device of existing centralized management all mainly by the master control chip, realize master control chip and the mutual information transmit-receive circuit of administrative center, and compositions such as ring detecting circuit, anti-polarity circuit, memory circuit.During this class message accounting work, after detecting ring, temporarily hang up the machine main telephone, by master control chip judgement input is supervisory signal or conversation signal.Supervisory signal in this way, then change by modulator-demodulator, and, deposit management information such as relevant rate variation, clock alignment in memory circuit through the master control chip controls, perhaps telephone expenses summary information that administrative center need be accessed etc. spreads out of by the information transmit-receive circuit; As judgement is conversation signal, then connects the machine main telephone, reminds the machine master to accept; When the machine main telephone is the calling party, treat that then both sides connect phone and send polarity reversing signal and begin, by the rate accounting of storage.The greatest problem that this existing telephone message accounting exists is: owing to get in touch with administrative center is wired, therefore revising rate can only be undertaken by platform, very expend time in, revise control when can't realize numerous message accounting, thereby make troubles for the management of telecommunication department.

The purpose of this utility model is: at the problem that above-mentioned existing telephone message accounting can only be revised by platform, propose a kind ofly can realize that numerous message accountings revise the isoparametric telephone meter of rate simultaneously.

In order to achieve the above object, telephone meter of the present utility model comprises the master control chip, realizes master control chip and the mutual information transmit-receive circuit of administrative center, and the ring detecting circuit, anti-polarity circuit, the memory circuit that are controlled by the master control chip, be characterized in also comprising that radio communication receives decoding circuit, the communication port that this radio communication receives decoding circuit links to each other with the communication port of master control chip.

When the parameters such as rate of telephone meter need be revised by programme-controlled exchange control centre, can be by administrative center as realizing " grouping busy " operation, to revise content by radio wave and be sent to each telephone meter simultaneously, receive decoding circuit by radio communication and receive decoding, give the master control chip again, it is carried out as the built-in function that receives wire transmission management information, thus not only fast but also finish work such as rate modification easily.This shows that one in the like water meter of telephone meter of the present utility model, the such every family of ammeter then can make telecommunication administration once finish the operations such as rate modification of numerous phones simultaneously, thereby bring great convenience to telecommunication administration.Can estimate, after the utility model is applied,, produce noticeable social benefit and economic benefit making communication service and management new leap occur.

The utility model is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is the circuit diagram of an embodiment of the utility model.

Fig. 2 is the circuit diagram that receives decoded portion among Fig. 1.

Telephone meter among Fig. 1 is by 78E54 master control chip＜8 〉, information transmit-receive circuit＜6, serial line interface commutation circuit＜7, ring detecting circuit＜2, anti-polarity circuit＜3, memory circuit＜9 paging receives decoding circuit＜11, and fictitious load circuit＜1, on-hook circuit＜4, dual-tone multifrequency decoding circuit＜5, DTMF pulsing circuit＜12, power circuit＜10 form.Information transmit-receive circuit＜6 wherein 〉, serial line interface commutation circuit＜7 〉, ring detecting circuit＜2 〉, reversed polarity testing circuit＜3 〉, memory circuit＜9 〉, paging receives decoding circuit＜11 〉, and fictitious load circuit＜1 〉, on-hook circuit＜4 〉, dual-tone multifrequency decoding circuit＜5 〉, DTMF pulsing circuit＜12〉all be controlled by master control chip＜8 〉, paging receives decoding circuit＜11〉with information transmit-receive circuit＜6 all by serial line interface commutation circuit＜7 with master control chip＜8 serial communication interface link to each other, master control chip＜8〉output termination display screen, therefore can directly show calling charge information.In addition, memory circuit＜9〉employing I ²C serial line interface E ²PROM, so volume is little, anti-interference is good.

Figure 2 shows that the paging that meets the POCSAG paging protocol receives decoding circuit＜11 〉, this circuit mainly is made of radio frequency dash receiver A, AT89C2051 decoding and control chip B, binary coded data amplifying circuit C, X25045 memory D and power circuit E, and the serial communication interface of this circuit (being the 5PIN connector) is by serial line interface commutation circuit＜7〉connect master control chip＜8 serial communication interface.Wherein,, make that therefore decoding and control circuit unite two into one, thereby simplified circuit, reduced cost owing to adopted AT89C2051 decoding and control chip B.

The telephone meter of present embodiment organically combines radio communication and wire communication, has following operating state: 1. holding state: master control this moment chip＜8〉control serial line interface commutation circuit＜7〉make itself and paging receive decoding circuit＜11〉connection.In case radio frequency dash receiver A receives the management radiofrequency signal that administrative center sends with wireless mode, promptly through high frequency amplification, frequency conversion, in put, demodulation, bandpass filtering, low-pass filtering, amplitude limiting processing, convert radiofrequency signal to binary data signal, pass to decoding and control chip B through binary coded data amplifying circuit C again, send master control chip＜8 after the decoding again to 〉, and then realize the timely change of billing parameters such as rate, and deposit memory circuit＜9 in〉storage chip in, whether the master conversed and did not all have influence this opportunity.2. when ring detecting circuit＜2〉detect bell signal after, on-hook circuit＜4〉the machine main telephone of making temporarily hangs up, fictitious load circuit＜1〉connect fictitious load is provided, master control chip＜8〉by control serial line interface commutation circuit＜7〉make itself and information transmit-receive circuit＜6〉connection, then master control chip＜8〉judge information transmit-receive circuit＜6〉information that transmits is during by administrative center's incoming call, and the information at information such as required telephone expenses gather or receiving management center promptly is provided by the requirement of administrative center.3. after ring, master control chip＜8〉when judging the All other routes incoming call by the non-management center, recover master control chip＜8〉receive decoding circuit＜11 with paging〉is connected, connect machine master phone, the release fictitious load, prompting machine master accepts.4. when the machine main telephone is caller, dual-tone multifrequency decoding circuit＜5〉the output telephone number, master control chip＜8〉according to telephone number searching memory circuit＜9 in the rate parameter, draw rate through computing, treat anti-polarity circuit＜3〉receive polarity reversing signal after, master control chip＜8〉begin according to the rate periodic metering, and can show by display screen.5. when state that generation in service such as rate abnormal parameters etc. can not normally carry out, master control chip＜8〉control DTMF pulsing circuit＜12〉automatic number sending, to the correct parameter of administrative center's request.

Can make the machine master can understand the telephone expenses situation at any time during this telephone meter work, thereby realize coming into the open of telephone charges, avoid black-box operation, be convenient to supervision by the public, be of value to the market competition of telecommunications industry.Can effectively solve simultaneously increasing telephone expenses dispute problem at present.

This shows, the telephone meter design of present embodiment is perfect, be convenient to implement, not only can utilize existing paging centers to realize the billing parameter time update of " grouping busy " mode, thoroughly overcoming the ticketing device must be by the trouble of platform modification, and bookkeeping do not influence conversation, the problem of bookkeepings such as rate of can't making amendment when having properly settled the conversation of long-term puzzlement telecommunication department, thus bring glad tidings to telecommunication department.Can estimate, after the telephone meter of present embodiment is applied,, bring very big facility for telecommunication administration and users making communication service and management produce new leap.

Except that pocsag code, for different wireless communication protocols, Flexible High Speed Paging paging protocol etc. for example is as long as adopt corresponding radio communication to receive decoding circuit.Therefore, the utility model also has many other execution modes.All technical schemes of the relevant calling charge information formation that sends with communication receiving management center that adopts on the charging circuit basis all drop in the protection range of the present utility model.

Claims (6)

1. telephone meter, comprise the master control chip, realize master control chip and the mutual information transmit-receive circuit of administrative center, and the ring detecting circuit, anti-polarity circuit, the memory circuit that are controlled by the master control chip, it is characterized in that: comprise that also radio communication receives decoding circuit, the communication port that described radio communication receives decoding circuit links to each other with the communication port of master control chip.

2. telephone meter according to claim 1 is characterized in that: also contain commutation circuit, described radio communication receives decoding circuit and all links to each other by the communication port of commutation circuit with the master control chip with the information transmit-receive circuit.

3. telephone meter according to claim 1 is characterized in that: it is that paging receives decoding circuit that described radio communication receives decoding circuit.

4. telephone meter according to claim 3 is characterized in that: described paging receive decoding circuit by the radio frequency dash receiver. decoding and control chip, binary coded data amplifying circuit, memory and power circuit constitute.

5. telephone meter according to claim 1 is characterized in that: also contain the DTMF pulsing circuit that is controlled by the master control chip.

6. telephone meter according to claim 1 is characterized in that: described memory circuit adopts I ²C serial line interface E ²ROM.

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