CN2535985Y - Public telephone set which can carry data communication with comprehensive business platform of bank - Google Patents

Abstract

The utility model discloses a public telephone which can data communicated with comprehensive service platform of banks. The utility model comprises a microprocessor, a data memory, a card reader, a liquid crystal indicator and a input keyboard, and further comprises a MODEM communication circuit which is used for an SAM card control circuit for encrypting communication data and a card reader interface circuit for reading telecom IC card, bank magnetic stripe card and CPU card. The MODEM communication circuit is connected with the input port of the SMA card control circuit and the I/O connector of the microprocessor, and the card reader is connected with the relative I/O connector of the microprocessor through the card reader interface circuit. The utility model not only can use the IC card issued by banks to complete voice communication but also the CPU card and the magnetic card, simultaneously, users can use the bank card to finish valued added services such as inquiry of awaiting payment and payment.

Description

A kind of public telephone set that can carry out data communication with the synthesis business platform of bank

Technical field

The utility model relates to a kind of telephone set, especially relates to a kind of public telephone set that can carry out data communication with the synthesis business platform of bank.

Background technology

At present, in the IC-card public payphones field at home, the IC-card public telephone set can only use the Stored Value IC-card of telecommunication bureau distribution and specific account number card (as the account card of 200 cards, 300 cards and intelligent telephone etc.), and single voice service function can only be provided; And at present the equipment of bank as: POS machine, circle are deposited machine and self-service terminal such as pay dues easily, and non-voice service can only be provided, and function ratio is more single.

The utility model content

The purpose of this utility model is to provide a kind of public telephone set that can carry out data communication with the synthesis business platform of bank, can not only use the IC-card of telecommunications distribution to finish voice call, and CPU card and magnetic stripe card that bank is provided finish voice call, value-added service such as also can use bank card to enclose simultaneously to deposit, enclose the inquiry of the usefulness of proposing, supplement with money, wait to pay the fees and pay.

The purpose of this utility model can realize by following technical measures: comprise microprocessor, data storage, card reader, LCD and input keyboard, it is characterized in that: also comprise be used for telecommunications IC Card Telephone machine administrative center between communicate by letter and and the synthesis business platform of bank between carry out the MODEM telecommunication circuit of exchanges data, be used for the SAM card control circuit of encryption of communicated data and be used for card reader reading the telecommunications IC-card, the card reader interface circuit of bank's magnetic stripe card and CPU card, the delivery outlet of described MODEM telecommunication circuit and SAM card control circuit links to each other with the corresponding I/O interface of microprocessor, and described card reader links to each other with the corresponding I/O interface of microprocessor through the card reader interface circuit.Can read the data of telecommunications IC-card, bank's magnetic stripe card and CPU card by card reader, by the MODEM telecommunication circuit finish with telecommunications IC Card Telephone machine administrative center between communicate by letter and finish between the synthesis business platform with bank and carry out communicating by letter of exchanges data, thereby realize the associated usefulness of waiting to pay the fees of telephone communication and banking inquiry, pay, the function of the multiple value-added services such as modification of account password.

Input keyboard described in the utility model comprises function keyboard and code keypad, and function keyboard is through the corresponding input interface of function keyboard interface circuit access microprocessor, and code keypad inserts the corresponding input interface of microprocessor through the code keypad interface circuit; Realize the input of various data.

As further improvement, the utility model is provided with printer interface circuit and printer, and printer links to each other with microprocessor through printer interface; Can finish the printing of telephone expenses document, bank payment document etc.

The utility model has realized that the voice call function of telecommunications and bank's value-added service organically combine, the user not only can finish voice call and freephone by the IC-card that uses the telecommunications distribution, CPU card and the magnetic stripe card that bank provides, but also can deposit, enclose the inquiry of the usefulness of proposing, supplement with money, wait to pay the fees by using bank card enclose and value-added service such as pay, for the user has brought convenience; Simultaneously can show corresponding operating result in real time by LCDs, tender of documents print service fully satisfies the demand of information age today one card for multiple uses.

Description of drawings

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

Fig. 1 is a circuit block diagram of the present utility model;

Fig. 2 is the schematic diagram of MODEM telecommunication circuit in the utility model;

Fig. 3 is the schematic diagram of microprocessor and FLASH data storage in the utility model;

Fig. 4 is the schematic diagram of card reader interface circuit in the utility model;

Fig. 5 is the schematic diagram of SAM card control circuit in the utility model;

The pretreatment process figure that Fig. 6 makes a phone call with bank card for the utility model;

The flow chart that Fig. 7 makes a phone call with bank card for the utility model.

Embodiment

As shown in Figure 1, the utility model comprises microprocessor, data storage, card reader, LCD and input keyboard, also comprise be used for telecommunications IC Card Telephone machine administrative center between communicate by letter and and the synthesis business platform of bank between carry out the MODEM telecommunication circuit of exchanges data, be used for the SAM card control circuit of encryption of communicated data and be used for card reader reading the telecommunications IC-card, the card reader interface circuit of bank's magnetic stripe card and CPU card, the delivery outlet of described MODEM telecommunication circuit and SAM card control circuit links to each other with the corresponding I/O interface of microprocessor, and described card reader links to each other with the corresponding I/O interface of microprocessor through the card reader interface circuit.Can read the data of telecommunications IC-card, bank's magnetic stripe card and CPU card by card reader, by the MODEM telecommunication circuit finish with telecommunications IC Card Telephone machine administrative center between communicate by letter and finish between the synthesis business platform with bank and carry out communicating by letter of exchanges data, thereby realize the associated usefulness of waiting to pay the fees of telephone communication and banking inquiry, pay, the function of the multiple value-added services such as modification of account password.Input keyboard comprises function keyboard and code keypad, and function keyboard is through the corresponding input interface of function keyboard interface circuit access microprocessor, and code keypad inserts the corresponding input interface of microprocessor through the code keypad interface circuit; Printer links to each other with microprocessor through serial line interface.Adopt the big screen LCD of 240*128 dot matrix in concrete the enforcement, abundant in content displaying contents can be provided; Adopt the code keypad of 4*4, the keyboard data input transmits with encrypted test mode, guarantees the fail safe of exchanges data between terminal and the bank; Adopt the function keyboard of 1*4 to be used to finish bank's value-added service; Adopt EPSON M-U110 printer, can finish the printing of telephone expenses document, bank payment document etc.

As shown in Figure 2, the MODEM telecommunication circuit is that the modem chip D1 of CML868 and modem chip D8 that model is CMX624 form by model mainly, can change the modem chip according to the communication actual needs.MODEMIN connects the external call line in Fig. 2, the signal that resistance R 58, R50, R34 and capacitor C 31 can detect and amplifying circuit receives, and diode V20, V29 are as a protective circuit.By the Fee Schedule and the running parameter of this telecommunication circuit download management system (PMS), and finish exchanges data with the banking system platform.

As shown in Figure 3, the model of microprocessor D27 is UPD78F4218AGF, the FLASH memory adopts the form of FLASH storage chip slot, and two slots are respectively as the slot of data slice D33 and slice D26, and the FLASH storage chip adopts the SST28F040 flash chip of 4M bits; Data slice D33 preserves real-time ticket, with the contents of program of writing among the sheet device reprogramming sheet D26, just can finish the renewal of end application easily.

As shown in Figure 4, in the card reader interface circuit, card XS5 is connected to the treatment circuit of IC-card and magnetic stripe card respectively, judges and read the state and the card data of IC-card, magnetic stripe card respectively.Diode V3, V4, V6, V7, V10, V11, V13, V14, V19, V20, V25, V26 constitute protective circuit in Fig. 4; Capacitor C 37, C18, C13, C6, C32, C27, C21 and resistance R 37, R23, R17, R10, R35, R32, R28 constitute filter circuit; Resistance R 14, triode V1 and capacitor C 10, C11 constitute power switch circuit, and this circuit only passes through the gating signal energized of microprocessor in needs, as means that reduce power consumption.

As shown in Figure 5, the SAM card control circuit adopts security module, has 4 SAM card sockets, and 1 terminal can be supported the application of 4 kinds of different SAM secured fashions.Finish the encryption that uploads to the banking system data by the cryptographic algorithm of SAM, safe bank's offline transaction can be provided, pay dues as stored value card.The control circuit of SAM card also has four selective gates, connects the power supply of certain concrete SAM deck in needs by the gating signal of microprocessor, accomplishes to reduce fully the effect of power consumption.In Fig. 5, as one of them, the gating signal of port #POWSAM1 is connected the power supply of SAM deck 1 by Schmidt trigger D17A, triode V59, resistance R 119 and capacitor C 92; NOR gate D12A, D12B, D12C, D12D accurately obtain the clock and the reset signal of SAM deck 1 by the gating signal of port #POWSAM1; Diode V67, V68, V73, V74 constitute protective circuit.

Concrete control procedure is finished by real time operating system (NECRX78KIV V1.21 version RTOS) and application program, Control Software is stored among the FLASH storage chip D26, mainly comprise following process: (1) controls the operating state of other process, the host process of the operating state of decision phone; (2) finish the process of the measuring ability of the motor-driven work of seting out; (3) finish the process that detects and confirm the request signal function that card exists; (4) finish process with the card reader communication function; (5) finish the process of unusual IC-card measuring ability; (6) finish the process of reading and confirming the key value function; (7) finish the process of the numerical analysis function of push-button dialing etc.; (8) finish the detection of dialing tone and the process of confirmation function; (9) finish the process of all functions relevant with circuit; (10) finish the process that detects and confirm the fee charging signal function; (11) handle the process of all billing functions; (12) finish the process that sends the 16KHz semiotic function; (13) finish the process that public words are discerned the function of sound and alerting tone that sends; (14) process of processing and communication function; (15) finish the process of the homing action function of removing 2 seconds watchdog circuits; (16) finishing the process of the desired timing function of each process, is unit with the second; (17) finish the process whether the handle line ruptures that detects; (18) finish the process of the on off state function of monitoring door; (19) finish the process of display system present clock function; (20) finish process with Tele-Bank platform communication function; (21) finish the process of the read-write controlled function of CPU card.

Multiple in the banking function associated owing to existing, handling process is different.As shown in Figure 6 and Figure 7, being one typically makes a phone call to use, the handling process that adopts bank's magnetic stripe card to make a phone call is described: be the process chart that adopts bank's magnetic stripe card on the utility model, to make a phone call as shown in Figure 6 and Figure 7 on this terminal, behind user's off-hook, terminal detects off hook signal, and show " please brush bank card or Call toll-free " on display screen, and the information of card number is manually imported in prompting.The user brushes bank card, and terminal, then dials if this terminal is supported user's bank card in advance by the validity of card reader test card, and the prompting user inputs the password of this bank card; Otherwise reminding subscriber terminal is not supported this card, swipes the card again.Behind the input password, terminal and banking system communicate by the modem telecommunication circuit, and carry out the pre-authorization transaction.If communicate by letter successfully with banking system, the current available pre-authorization amount of money of terminal explicit user, telecommunication circuit passes to handle with dialing tone, and points out the user to begin to dial called number, and the user can hear dialing tone from receiver.Behind dialing and the other side's off-hook, the user begins conversation, and the while terminal detects fee charging signal and begins to charge, and dynamically shows the duration of call and the amount of money of being deducted on LCD.For the first time behind the end of conversation, if also want to make a call next, off-hook not, the user can by clap upper left microphone hook switch or by＜recall key, dial again then.All logical slip-knot bundles, user's on-hook, after terminal detected on-hook signal, CPU control telecommunication circuit and banking system platform rebulid and are connected and banking system is finished the pre-authorization settlement of transactions.If settle accounts successfully, terminal is kept at call bill data among the FLASH data slice D33 at last, and so far whole process of making a phone call with bank card finishes.

Claims (3)

1, a kind of public telephone set that can carry out data communication with the synthesis business platform of bank, comprise microprocessor, data storage, card reader, LCD and input keyboard, it is characterized in that: also comprise be used for telecommunications IC Card Telephone machine administrative center between communicate by letter and and the synthesis business platform of bank between carry out the MODEM telecommunication circuit of exchanges data, be used for the SAM card control circuit of encryption of communicated data and be used for card reader reading the telecommunications IC-card, the card reader interface circuit of bank's magnetic stripe card and CPU card, the delivery outlet of described MODEM telecommunication circuit and SAM card control circuit links to each other with the corresponding I/O interface of microprocessor, and described card reader links to each other with the corresponding I/O interface of microprocessor through the card reader interface circuit.

2, the public telephone set that can carry out data communication according to claim 1 with the synthesis business platform of bank, it is characterized in that: described input keyboard comprises function keyboard and code keypad, function keyboard is through the corresponding input interface of function keyboard interface circuit access microprocessor, and code keypad inserts the corresponding input interface of microprocessor through the code keypad interface circuit.

3, the public telephone set that can carry out data communication with the synthesis business platform of bank according to claim 1, it is characterized in that: be provided with printer interface circuit and printer, printer links to each other with microprocessor through printer interface.

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