CN2266846Y - Transmitter disconnecting identity cipher automatic transmitting telephone set - Google Patents

Abstract

The utility model relates to a transmitter disconnecting identity cipher automatic transmitting telephone, which is composed of a telephone ring checking and driving integrate circuit IC3, a telephone transmitting / receiving circuit IC4, a key pad, and telephone key pad dialing integrate circuits. The utility model is characterized in that the telephone is provided with two groups of telephone key pad dialing integrate circuits IC1, IC2; a two-phase multiconductor linked switch K3 switches and selects operating status of the two groups of the circuits; a telephone handset is provided with two hook switches K1-1, K1-2, wherein, the K1-2 controls the IC2 to send a user identity cipher. The utility model has the advantages of raid prevention, strong practicability, convenience, etc.

Description

Subject for ridicule unhook identification cipher sends telephone set automatically

Universal day by day along with telephonic communication, phone has become family life or work unit's business activity and the indispensable instrument of extraneous contacts.Owing to steal the behavior with other people phone, and cause telephone subscriber's interests to suffer in varying degrees economic loss, this has become a shortcoming that exists in the Modern Telecommunication service management.In order to protect the telephone subscriber that vital interests are arranged, guarantee that the telephone subscriber avoids having strengthened the telephone line managerial ability of telephone office because of usurping the economic loss that phone causes, improve the local service service level, compeling joint needs a kind of truly feasible antitheft telephone set.

It is a kind of identical with the ordinary telephone set service routine that the purpose of this utility model is to provide, and utilizes subject for ridicule to break off relations and carry out the telephone set that the identity card password sends automatically.

In wired program controlled telephone aeration technology field, as everyone knows, telephone exchange all is all to be to be controlled by the electronic computer in the SPC telephone exchange to finish by programme-controlled exchange, and the exchange process of SPC telephone exchange, control mode and signaling standard etc. all can be changed by suitably revising the switch computer software, the hardware of switch need not anyly change, and this is one of the distinctest technical characterstic of modern SPC telephone exchange.The utility model purpose just is being based on that the characteristics of above-mentioned SPC telephone exchange realize.The utility model detects ring drive integrated circult IC3, telephone set by ringing telephone stations and gives orders or instructions/and PAC circuit IC4, keyboard and the telephone keypad integrated circuit bank that dials becomes.It is characterized in that: this telephone set is provided with two cover telephone keypad dialing integrated circuit (IC) 1, IC2, they all have, and automatic memory function is operated in last telephone keypad dialing and the phone number code weight is pulled out function, and the switching of two cover circuit working states is selected to be undertaken by a two-phase multiconductor linkage self-locking K switch 3; The moving contact 1-8 of described K3 is connected with the digital keys of telephone keypad respectively, moving contact 9 is connected with the moving contact of the subject for ridicule hook switch sensitive switch K1-2 of telephone set, the moving contact 1 of described K3,2,3,4, one group of corresponding homophase fixed contact 1-1,2-1,3-1,4-1 meets 15 of IC1 respectively, 16,17,18 pins, the moving contact 1 of K3,2,3, another group homophase fixed contact 1-2 of 4 correspondences, 2-2,3-2,4-2 meets 15 of IC2 respectively, 16,17,18 pins, the moving contact 5 of described K3,6,7, one group of homophase fixed contact 5-1 of 8 correspondences, 6-1,7-1,8-1 meets 4 of IC1 respectively, 3,2,1 pin, the moving contact 5 of described K3,6,7, another group homophase fixed contact 5-2 of 8 correspondences, 6-2,7-2,8-2 meets 4 of IC2 respectively, 3,2,1 pin, fixed contact 9-1 connecting resistance R34 one end of moving contact 9 correspondences of described K3, another fixed contact 9-2 ground connection; Another termination capacitor C 24 1 ends of R34, C24 other end ground connection, R34 and C24 constitute the RC integrator delay-time circuit; The link of R34, C24 joins in the base stage of triode T6 and the above-mentioned RC integrator delay-time circuit, and collector electrode is connected with 18 pin of IC2, and emitter is connected with 4 pin of IC2; The subject for ridicule hook switch sensitive switch of this telephone set is two, wherein the subject for ridicule hook switch sensitive switch of the former phone of K1-1 is two, wherein its K1-1 is the subject for ridicule hook switch sensitive switch of former phone, the sensitive switch that K1-2 sets up for this telephone set, fixed contact of K1-2 is an earth terminal, and another fixed contact connects 14 pin of IC1 and IC2 respectively.

The utility model has following advantage than traditional telephone set:

1, prevent that other people from illegally usurping, emitting and connect subscriber phone;

2, practical and convenient; User identity password transmission between telephone set and the stored-program control exchange receives the process of verifying and confirming and is finished automatically by the unhook of phone handle;

3, have compatibility; This telephone set has regular phone machine function and the automatic sending function of phone handle unhook user cipher, can select a kind of function wherein for use according to the function of telephone exchange.

The drawing explanation:

Accompanying drawing 4 is circuit theory diagrams of the present utility model.

Operation principle of the present utility model is as follows: in order to consider the keyboard to set up function of compatibility and user identity password, this telephone set is provided with a two-phase multiconductor linkage self-locking K switch 3, for the function that realizes that telephone set subject for ridicule unhook user identity password sends automatically, the subject for ridicule hook switch spring sensitive switch of this telephone set has been set up a K1-2, and the subject for ridicule hook switch sensitive switch K1-1 of original call machine still keeps.This telephone set machine also comprises pulse/dual-tone multifrequency dialing selector switch and the high amount of bass selector switch of ring K4, the K2 of original call machine.This telephone set is provided with two cover telephone keypad dialing integrated circuit (IC) 1, IC2, and they all have, and automatic memory function is operated in last telephone keypad dialing and the phone number code weight is pulled out function, and the switching of two cover circuit working states is selected to be undertaken by K switch 3.When K switch 3 was in state shown in the drawings, the IC1 integrated circuit was not worked, and had only the work of IC2 integrated circuit, and promptly this telephone set is just the same with regular phone machine function.When K switch 3 is in when resetting release condition, integrated circuit (IC) 1 and IC2 are all in running order, and promptly IC2 breaks off relations with the automatic transtation mission circuit of identification cipher for the phone subject for ridicule, and IC1 is a manual telephone set dialing keyboard circuit, at this moment is the operating state of this telephone set.The transmission of the user identity password of IC2 integrated circuit storage, finish by sensitive switch K1-2 control, and the action of K switch 1-2 be by the telephone set subject for ridicule pick up break off relations caused, by trigger triode T6 conducting, link to each other between the pin 18 that makes IC2 and the pin 4, final control IC 2 will be provided with the user identity password that is stored in wherein and send fast at short notice.By the RC integrator delay-time circuit that R34 and C24 constitute, be in order to treat that the telephone set subject for ridicule breaks off relations, just make its transmission after the IC2 stable working state, guarantees that the user identity password can correctly send.It is as follows that this telephone set is manually set the user identity cryptographic methods: after this telephone set is received on the telephone wire, K switch 3 is connect down, K switch 4 can be selected to be arranged on DTMF or the T position, because now general SPC telephone exchange all generally adopt than before pulse PVLSE or P dialing advanced person's telephone dialing mode, the subject for ridicule that picks up the telephone is manually inputed six identical 0-9 digital numbers of user identity password that the user has applied for registration of in telephone office by keyboard; After in the phone receiver, hearing the telephone dialing prompt tone, show that the user identity password has been provided with correctly; Afterwards, the phone subject for ridicule hung up put back to, K switch 3 is connect to eject again and discharge, this moment, the user identity password setting finished.If be provided with in the telephone set storage the user identity password since the telephone line short circuit or open circuit known to cause lose phenomenon, so, the user can repeat above-mentioned method to set up and reset.

When the user picks up subject for ridicule, in the phone receiver the telephone dialing prompt tone can not appear at once, and a string fast automatic dialing sound can appear in the phone tube, after SPC telephone exchange detects the user identity password and determines, just open telephone line, allow the user to use phone, otherwise ignore, do not send the telephone dialing prompt tone, telephone line can not use.After telephone relation finishes, on-hook subject for ridicule playback lines automatically locks, promptly a telephone line uses and finishes, and when using telephone line phone subject for ridicule to break off relations, all needs between telephone set and the stored-program control exchange to send the process of verifying and confirming that receives through once such user identity password at every turn.If also possess above-mentioned functions on the stored-program control exchange, so also can stop on this telephone line, to emit the generation that connects the subscriber phone illegal act.

Claims (1)

1. a subject for ridicule unhook identification cipher sends phone automatically, and it detects drive integrated circult IC3, telephone set by ringing telephone stations and gives orders or instructions/and PAC circuit IC4, keyboard and telephone keypad dialing integrated circuit form; It is characterized in that: this telephone set is provided with two cover circuit keyboard dialing integrated circuit (IC) 1, IC2; Have one group of moving contact 1-8 of a two-phase multiconductor linkage self-locking K switch 3 to be connected with the numerical key of telephone keypad respectively, the moving contact of the subject for ridicule hook switch sensitive switch K1-2 on another moving contact 9 of K3 and the telephone set is connected; One group of homophase fixed contact 1-1 of moving contact 1,2,3,4 correspondences of described K3,2-1,3-1,4-1 are connected with 15,16,17,18 pins of IC1 respectively; Another group homophase fixed contact 1-2 of moving contact 1,2,3,4 correspondences of K3,2-2,3-2,4-2 are connected with 15,16,17,18 pins of IC2 respectively; One group of homophase fixed contact 5-1 of moving contact 5,6,7,8 correspondences of described K3,6-1,7-1,8-1 link to each other with 4,3,2,1 pin of IC1 respectively; Another group homophase fixed contact 5-2 of moving contact 5,6,7,8 correspondences of described K3,6-2,7-2,8-2 are connected with 4,3,2,1 pin of IC2 respectively; Fixed contact 9-1 connecting resistance R34 one end of moving contact 9 correspondences of described K3; Another fixed contact 9-2 ground connection; Another termination capacitor C 24 1 ends of R34, C24 other end ground connection; In the base stage of triode T6 and the above-mentioned RC integrator delay-time circuit R34, C24 be connected termination, collector electrode is connected with 18 pins of IC2, emitter is connected with 4 pins of IC2; The subject for ridicule hook switch sensitive switch of this telephone set is two, and wherein K1-1 is the sensitive switch of former phone, the sensitive switch that K1-2 sets up for this telephone set, and the fixed contact of K1-2 is an earth terminal, another fixed contact connects 14 pins of IC1 and IC2 respectively.

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