CN2187859Y - Card type telephone managing device - Google Patents

Abstract

The utility model relates to a card type telephone managing device which is used to manage the telephones. The card type telephone managing device is designed to make the cipher controller of the telephone added with the managing function. The card type telephone managing device is composed of a cipher card and a manager. The manager is composed of a card reading circuit a telephone line signal receiving circuit and a single chip computer circuit. Two surfaces of the chip of the card and the identity card are provided with the cipher bit. The cipher number of the cipher bit with the glistening membrane is 1 and the cipher number of the cipher bit without the glistening membrane is 0. The card reading circuit is the light transmitter and the light receiver which are provided with the same body. The number is the same as the cipher number of the card. When the receiver receives the emitting light reflected by the glistening membrane, the cipher number is 1 and when the receiver does not receive the emitting light reflected by the glistening membrane, the cipher number is 0. If the card number is right, the user can talk and the fee is counted. If the card number is wrong, the telephone is blocked.

Description

Card type telephone managing device

The utility model relates to a kind of subscriber equipment of telephone communication, relates to a kind of cassette telephone supervisor of telephone set or rather, can be used for the intercommunication phone of authority, enterprise, group.

Can solve the problem of dialling private toll telephone with WorkPhone again in order neither to influence normal phone contact service, and design multiple toll telephone limiter or key passwords telephone set, such device has developed at present with the microcomputer parts makes identification control.

Utility model patent " toll telephone computer cipher controller " (CN93204178.7), be serially connected between telephone wire and telephone set, form with the speech path control parts of control electronic switch operating state by the electronic switch that is serially connected in the speech channel, when station-to-station call, should dial code number earlier, controller just inserts telephone set after judging effectively, when group code number or code number are incorrect earlier, controller is all sent busy tone and is had no right the user with obstruction, for direct distance dialing call unit and trunk line user management provide a kind of control device.

This controller uses through reality and still has many drawbacks, and the not privacy problem as code number lacks record queries management functions such as timing, metering, charging, and consequently extra telephone expenses expenditure still has no way of having looked into.

The purpose of this utility model is a kind of password words of design cassette telephone supervisor, the phone user has only the coding card that uses our unit to send out, it is inserted in the manager, just can dial, manager writes down the date that this password card user makes a phone call, beginning and ending time, called phone number and the telephone expenses etc. of conversation automatically, the manager can inquire about each password card holder of our unit at any time and make telephonic situation, also can regularly inquire about the telephone expenses situation of total telephone expenses and each subitem as city, suburb, long-distance, international long-distance, respectively by the display demonstration or pass through printer prints.

Cassette telephone supervisor of the present utility model, be connected with telephone set, form by password words card and manager, manager comprises the Card Reader circuit of output words clip pin data-signal, detect telephone wires signals and make controller and the photoelectricity coupling circuit of outer signals isolation, the optoelectronic switch of control photoelectricity coupling circuit work, the dial impulse receiving circuit of received pulse formula dialing, receive the dual-tone multifrequency receiving circuit of DTMF pulsing, judge the ring-back tone testing circuit and the single chip circuit of called off-hook, the control end of photoswitch circuit is connected with an I/O end of single-chip microcomputer, switch one termination telephone wire L2, another termination photoelectricity coupling circuit control end of switch, photoelectricity coupling circuit input is through the L1 ' machine of answering the call, the anti-polar signal output of photoelectricity coupling circuit is connected with an I/O end of single-chip microcomputer, output of photoelectricity coupling circuit and dial impulse receiving circuit, the dual-tone multifrequency receiving circuit, the input of ring-back tone testing circuit also connects, the output of dial impulse receiving circuit is connected with an I/O end of single-chip microcomputer, the output of dual-tone multifrequency receiving circuit is connected for 1 mouthful with the interrupt INT of single-chip microcomputer, the output of ring-back tone testing circuit is interrupted the TO end with the clock of single-chip microcomputer and is connected, data/address bus connects single chip circuit and Card Reader circuit, it is characterized in that: described password is talked about to block by substrate and be produced on on-chip some bar shaped reflective membranes wide and parallel to each other and is constituted; Described Card Reader circuit is made up of some optical transmitting set, optical receiver and data latches that consubstantiality is installed, and optical receiver output connects the data input pin of data latches, the described data/address bus of data latches output termination.

Password words cassette telephone supervisor of the present utility model, after the user inserts password words card, read the numbering code of password card and judge card holder's identity by single-chip microcomputer, determine effective postscript record dialed number, after detecting the other side's off-hook anti-polar signal output arranged, opening entry time, demonstration telephone expenses etc. are promptly stored ticket until our on-hook.Manager is provided with and shows mouthful and LPT, and then can show, print ticket after external display, printer are connected.Manager is provided with dial impulse receiving circuit and dual-tone multifrequency receiving circuit respectively, can cooperate double tone multiple frequency telephone set to use, can be suitable for the pulse dialing telephone machine again and use, utilize the reverberation that can each place, fixed position have or not reflectorized strip film and optical receiver receive optical transmitting set on the telephone cipher card to finish the Telephone Management Agency that password is talked about cassette.Password words card is with low cost, easy to make, is better than what other said card.

Describe technology of the present utility model in detail below in conjunction with embodiment and accompanying drawing thereof.

Fig. 1, cassette telephone supervisor frame principle figure.

Fig. 2, password words card 3 structural representations.

Fig. 3, Card Reader circuit 4 shown in Figure 1 is implemented line map.

Fig. 4, signal receiving circuit 1,2,5,6,7 shown in Figure 1 is implemented line map.

Fig. 5, single chip circuit 8,9,10,11 shown in Figure 1 is implemented line map.

Fig. 6, cassette telephone supervisor workflow diagram.

Referring to Fig. 1, telephone set 12, one termination telephone wire L1, it is photoswitch circuit that other end L1 ' connects photoelectricity coupling circuit 1,2, telephone wire L2 is connected with photoswitch circuit 2.When the P1.5 of single-chip microcomputer 8 sends control signal, open photoswitch circuit 2 and photoelectricity coupling circuit 1, telephone set 12 is connected with telephone wire L1, L2 with photoswitch circuit 2 through photoelectricity coupling circuit 1, but normal talking.3 for password words card, inserts when doing caller.

Photoelectricity coupling circuit 1 send single-chip microcomputer P1.6 with detected anti-polar signal, send dial impulse receiving circuit 5, dual-tone multifrequency receiving circuit 6 and ring-back tone testing circuit 7 respectively with detected dial impulse or dual-tone dialing, ringing tone signal, their output signal is sent P1.4, INT1 and the TO end of single-chip microcomputer 8, control executive program respectively.P.0 the code data that mouthful is used for receiving Card Reader circuit 4 of single-chip microcomputer 8, receive DTMF pulsing and from memory under program 10 and data memory 11 sense datas, call bill data is write the data memory 11,9 is data latches, for the data line address technology is provided with, be used to latch the least-significant byte address signal A0-A7 of single-chip microcomputer 8 outputs, single-chip microcomputer P2 mouth output most-significant byte address signal A8-A15.The dialing encoded data D 0-D3 of dual-tone multifrequency receiving circuit 6 is read in the 4 output dtmf signal control timesharing of Card Reader circuit.

1, the signal receiving circuit of 2,5,6,7 composition managers, 8,9,10,11 form the single chip circuit of managers.

Referring to Fig. 2,31 is substrate among the figure, and 32 for being produced on on-chip reflectorized strip film.The same ID card of embodiment password words card size, 8 code numbers are respectively established on password card two sides, 2 16 power kinds coding can be arranged altogether, there is reflectorized strip film at the place, fixed position of each password position, its code number is " 1 ", the code number of no-reflection bar film password position is " 0 ", and the 11010011(that is encoded to of password card also has 8 code clerks to see the password card backside among the figure).Password card coding is made up of company code and personal code two parts.

Referring to Fig. 3, corresponding with Fig. 2 password card, the Card Reader circuit comprises the optical transmitting set of 16 pairs of consubstantialities installations, optical receiver S1, the S2 that band amplifies ... S16, when inserting the password card in the manager, the position that reflectorized strip film is arranged, optical receiver can receive the reverberation of optical transmitting set, and its amplifier output " 1 " is then read this code number and is " 1 "; The position of no-reflection bar film, optical receiver does not receive the reverberation of optical transmitting set, and its amplifier output " 0 " is then read this code number and is " 0 ".IC10, IC11 are data latches, and forward and backward 8 code datas of timesharing output password card tow sides send the single chip circuit of Fig. 5 through data/address bus D0-D7.

Be subjected to single-chip microcomputer P1.0, P1.1 and RD signal controlling, Q0, the Q1 of decoder IC14:A are respectively " 0 ", read the code number of password card positive and negative with the control timesharing.When P1.0, P1.1 are " 1 ", " 0 ", read dialed number DTMF and effectively be " 0 ".

Referring to Fig. 4, photoelectrical coupler IC1.1, IC1.2 and peripheral cell thereof constitute photoelectricity coupling circuit 1, and diode bridge B1, photoelectrical coupler IC2, triode TR2, TR3 and peripheral cell thereof constitute photoswitch circuit 2.The major function of photoelectricity coupling circuit 1 is with telephone wires signals and the isolation of manager internal signal and detects various telephone signals, comprises anti-polar signal, dialing signal, off hook signal and ringing tone signal.

Manager its single-chip microcomputer P1.5 output " 1 " of starting shooting, the TR3 conducting, photoelectrical coupler IC2 can make opto-electronic conversion, its E end is " 1 ", and the TR2 conducting can form current path between telephone wire L1 ', L2, promptly work as L1 ' and go up signal for just, its path can schematically illustrate and be IC1.1D+ → IC1.1D → B1 → TR2 → B1 → L2, works as L1 ' and goes up signal for negative, and its path can schematically illustrate and be IC1.2D → IC1.2D+ → B1 → TR2 → B1 → L2.

Behind callee's off-hook, callee's switch is sent anti-polar signal, detects by its C end output " 0 " through IC1.1, send single-chip microcomputer P1.6 end.

Dial impulse receiving circuit 5 is sent in the pulse dialing of photoelectrical coupler IC1.2C end output.Dial impulse receiving circuit 5 is made up of TR1.1, pi type filter (R1.5, C1.2, C1.3) etc., signal is carried out frequency-selecting amplify, and at last by inverter ic 1:D output dial impulse, send the P1.4 end of Fig. 5 single-chip microcomputer.When telephone set 12 was made the caller off-hook, this circuit sent " 0 " signal to the P1.4 end.

The dual-tone dialing of photoelectrical coupler IC1.2C end output send dual-tone multifrequency receiving circuit 6 through amplifier IC1.3:A, coupling capacitance C1.6, dual-tone multifrequency receiving circuit 6 is made of integrated chip IC1.4, DTMF pulsing is converted to dialing code signal (binary-coded decimal) output, triple gate IC5:A-IC5:D in the J0-J3 map interlinking 6, when dtmf signal was effective, single-chip microcomputer was read the coded data that dials by data wire D0-D3; Simultaneously, the STD of IC1.4 end output " 1 " signal is carried out interrupt operation through the middle broken ends of fractured bone INT1 that inverter ic 1:A send single-chip microcomputer.

Amplifier IC1.3:B, capacitor C 1.10 connect the IN end of IC1.5, decoder IC1.5 and peripheral cell thereof constitute ring-back tone testing circuit 7, detect 450HZ, 1 second the ring-back tone in interval, before the off-hook ring-back tone is not arranged the callee, IC1.5out end output " 0 ", through two-stage inverter ic 1:F, IC1:E broken ends of fractured bone T0 to the single-chip microcomputer clock, callee's off-hook ring-back tone is disconnected, IC1.5out end output " 1 ", the T0 end signal is " 1 ".

R1.6, R1.7, R1.8, R1.9, R1.16, R1.17 etc. are for stablizing the peripheral circuit of two amplifier IC1.3:A, IC1.3:B work among the figure.

Referring to Fig. 5, single-chip microcomputer 8(IC6) adopts 80C31, data latches 9(IC7) adopts 74HC373, the least-significant byte address data signal of single-chip microcomputer P0.0-P0.7 output latched send memory under program 10(IC8), data memory 11(IC9) address end A0-A7, the most-significant byte address data signal of single-chip microcomputer P2.0～P2.7 output directly send the address end of memory under program IC8(A8～A12), data memory IC9(A8～A15), is connected with the P0 mouth of single-chip microcomputer, the data terminal of IC8, IC9 from the D0-D7 data wire of Card Reader circuit.

PL3 is for showing mouth among the figure, and external display can show ticket and read clock, and PL4 is a LPT, but external printer is printed ticket.IC5:A～IC52D is a triple gate among the figure, has addressed before its effect to repeat no more.

Referring to Fig. 6, each functional block implication is described as follows among the figure: 411 initialization, 412 off-hooks are not, 413 wait for 414 read clocks, the 415th, calling, 416 close DTMF, and 417 open DTMF, and 418 read words card code, 419 judge whether to be company code, and 420 read personal code, and 421 judge that dialing is arranged, 422 consult rate, 423 declare anti-polar signal are arranged, and 424 ticketed call times, 425 show telephone expenses, 426 have declared our on-hook, 427 deposit ticket, and 428 have declared enough 1 minute of air time or 3 minutes, 429 telephone expenses that add up, 430 block phone, 431 judge it is inquirying card, and 432 read inquirying card code and date, and 433 show Query Result.

Program carries out 12, and no dial tone single-chip microcomputer P1.4 is " 1 ", program cycle operation 412,413,414, there is off hook signal P1.4 to be " 0 ", program changes over to carries out 415, further judges single-chip microcomputer To end signal again, is do caller or does called with difference telephone set 12.If T0 is " 1 ", then carry out 416, to close and interrupt INT1, program is returned and is carried out 412, and this manager does not receive telephone signal; If To is not calling and carries out 417 that open interrupt INT 1, program is read password card code 418 at twice, declares company code 419 earlier, if effectively then read personal code 420 again for " 0 " then is judged as.When dialing signal is arranged (421), INT1 is " 0 ", single-chip microcomputer is consulted corresponding rate (422) according to dialed number (international, domestic, city, suburb), and wait the other side off-hook is sent anti-polar signal 423, single-chip microcomputer P1.6 end has anti-polar signal for " 0 " expression, the disconnected To of ring-back tone is " 0 " simultaneously, carry out 424,425, with opening entry air time and demonstration telephone expenses, until our on-hook P1.4 is " 1 ", (426) then deposit ticket (427), then constantly pressed 1 fen or 3 fens interval accumulative total telephone expenses before the on-hook by 428,429.

Carrying out 419 o'clock, if judge it is not company code, whether what then further judge insertion is inquirying card (431), not then single-chip microcomputer P1.5 output " 0 " of inquirying card, block phone (430), if inquirying card is then further read the code and the date (432) of inquirying card, press search request and show Query Result (433).

Claims (3)

1, a kind of cassette telephone supervisor, be connected with telephone set, form by password words card and manager, manager comprises the Card Reader circuit of output words clip pin data-signal, detect telephone wires signals and make controller and the photoelectricity coupling circuit of outer signals isolation, the optoelectronic switch of control photoelectricity coupling circuit work, the dial impulse receiving circuit of received pulse formula dialing, receive the dual-tone multifrequency receiving circuit of DTMF pulsing, judge the ring-back tone testing circuit and the single chip circuit of called off-hook, the control end of photoswitch circuit is connected with an I/O end of single-chip microcomputer, switch one termination telephone wire L2, another termination photoelectricity coupling circuit control end of switch, photoelectricity coupling circuit input is through the L1 ' machine of answering the call, the anti-polar signal output of photoelectricity coupling circuit is connected with an I/O end of single-chip microcomputer, output of photoelectricity coupling circuit and dial impulse receiving circuit, the dual-tone multifrequency receiving circuit, the input of ring-back tone testing circuit also connects, the output of dial impulse receiving circuit is connected with an I/O end of single-chip microcomputer, the output of dual-tone multifrequency receiving circuit is connected for 1 mouthful with the interrupt INT of single-chip microcomputer, the output of ring-back tone testing circuit is interrupted the TO end with the clock of single-chip microcomputer and is connected, data/address bus connects single chip circuit and Card Reader circuit, it is characterized in that: described password is talked about to block by substrate and be produced on on-chip some bar shaped reflective membranes wide and parallel to each other and is constituted; Described Card Reader circuit is made up of some optical transmitting set, optical receiver and data latches that consubstantiality is installed, and optical receiver output connects the data input pin of data latches, the described data/address bus of data latches output termination.

2, cassette telephone supervisor according to claim 1, each uniformly-spaced is provided with 8 password positions to it is characterized in that described password words card substrate two sides, has the code number of reflectorized strip film password position to be " 1 ", and the code number of no-reflection bar film password position is " 0 ".

3, cassette telephone supervisor according to claim 1, but it is characterized in that described manager also comprise can external display the demonstration mouth and the LPT of external printer.

Images