CN2783649Y

CN2783649Y - Distrubance proof device for telephone set

Info

Publication number: CN2783649Y
Application number: CN 200420037593
Authority: CN
Inventors: 汤力
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-07-15
Filing date: 2004-07-15
Publication date: 2006-05-24
Anticipated expiration: 2014-07-15

Abstract

The utility model discloses a disturbance preventing device for a telephone. The utility model comprises a telephone on-off control circuit which is arranged in front of a telephone, and a microprocessor. The microprocessor is connected with a display circuit by a latching/decoding circuit. The utility model is characterized in that the microprocessor is connected with a telephone wire in front of the telephone on-off control circuit by an interface circuit and a sample circuit, and is connected with a keyboard circuit by a register. The microprocessor is connected with a program memory and a data memory, and the microprocessor is simultaneously connected with the data memory by an address register. The data memory piecewise stores the data of telephone numbers in an intimate name list and a blacklist. The program memory is loaded with a call response program, and the call response program has three stand-by states, namely the intimate name list state, the blacklist state and common switching in state. The telephone on-off control circuit is controlled by the call response program; by means of a fireproof wall system and intellectualized processing, unhealthy telephonic disturbance can be stopped without influencing to answer important calls. The utility model enhances the function of preventing disturbing calls.

Description

A kind of phone disturbance-proof device

Technical field

The utility model relates to a kind of phone disturbance-proof device, and its effect is that fire compartment wall is set one before user's phone, guarantees the work that people are daily and live not to be subjected to the harassing and wrecking of malicious call.

Background technology

One of defective of existing common telephony functions is exactly no matter who dial this phone, telephone bell all can sound, up to main frame off-hook or arrival stand-by period, and some phones are not wherein wanted the phone of answering often, or even the phone of malice harassing and wrecking, brought many troubles and interference to daily life, and the phone with common incoming call display function in the market can't address this problem still.The application number that on February 24th, 1999, bulletin was authorized provides a kind of telephone cipher device for 97236758.6 Chinese utility model patent, after caller calls is connected, need input password prior and callee's agreement to converse, but adopt this technical scheme, then everyone also needs the relevant password of mass memory, and considers from the angle of maintaining secrecy when the memory telephone number, password is often conversion probably, and this brings great inconvenience can for normal telephonic communication.The application number that August 22 calendar year 2001, bulletin was authorized is that 00244603.0 Chinese utility model patent has been introduced " a kind of device of the called subscriber's of can be used for active countermeasures harassing call ", it is provided with " blacklist " repertory dialler memory of a storage harassing call number, between blacklist memory and caller identification circuit, be connected a high-speed digital signal process chip, the high-speed digital signal process chip is connected with " blacklist " and empties circuit and number typing circuit, and with program storage with automatically hang and pluck circuit, its advantage is that it can store vicious disturbance call, after the vicious disturbance call number is recorded, when dialing once more, adopt automatic off-hook and hang up function, punishment harassing and wrecking person on telephone charges.This technical scheme can tentatively solve the problem that harassing call brings, but in actual life, usually run in session, bothered by some inessential phones when thinking and rest, perhaps do not want to answer some phone, and these phones often are not regarded as vicious disturbance call and are stored in the blacklist, for this reason, the method that many users have taked shutdown or pulled out telephone wire, but can delay answering of some important phones again like this.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of phone disturbance-proof device at above-mentioned prior art present situation, can on landline telephone, distinguish buddy phone, vicious disturbance call and plain old telephone, realize intelligent the processing, make the user can select answer mode as required, strengthened the function of Barassment preventing telephone, the user uses convenient.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of phone disturbance-proof device, comprise the phone on-off control circuit that is arranged on before the telephone set and with described phone on-off control circuit microprocessor linked, described microprocessor by latch/decoding circuit is connected with display circuit, described microprocessor is connected with telephone wire before the described phone on-off control circuit by interface circuit and sample circuit, described microprocessor is connected with keyboard circuit by register, described microprocessor is connected with program storage and data storage, described microprocessor is connected with described data storage by address register simultaneously, described data storage segmentation has buddy list phone and blacklist phone data, described program storage is mounted with the call program, described call program is provided with buddy list, three kinds of holding states of blacklist and common access, described microprocessor passes through the described phone on-off control circuit of call program control:

When outside line is called out, at first recording phone number and call time, inquire about current holding state and processing respectively then: 1. at the buddy list state, in the inquiry buddy list whether this phone is arranged, have and then connected telephone bell, nothing then records by the rejection number call, and refusing to receive telephone; 2. at the blacklist state, in the inquiry blacklist whether this phone is arranged, do not have and then connect telephone bell, have then to record by the rejection number call, and refusing to receive telephone; 3. at common access state, directly connect telephone bell.

Described microprocessor can be connected with timing circuit, and described program storage is mounted with timing routine, and described timing routine is set the described microprocessor holding state of conversion in certain period automatically as required.

Described microprocessor can be connected with calendar/clock circuit.

Described microprocessor can also be connected with telephone wire behind the described phone on-off control circuit by dial-up circuit and described interface circuit, and described program storage is mounted with phone and replys program fast.

Compared with prior art, advantage of the present utility model is it is to rely on firewall system to increase the function of phone fully, switched telephone network and telephone set there is not special requirement, handle by intellectuality, can on landline telephone, distinguish buddy phone, vicious disturbance call and plain old telephone, the user can select answer mode flexibly according to work, life and the needs of having a rest, promptly can stop the harassing and wrecking of bad phone, can not influence answering of important phone again, strengthen the function of Barassment preventing telephone greatly; Timing circuit can be provided with multiple scheme according to people's live and work custom, realizes the timing conversion of various states automatically; Recovery function and calendar/time clock feature then make the more perfect function of existing telephone fast.

Description of drawings

Fig. 1 is the utility model circuit block diagram;

Fig. 2 is a call flow chart of the present utility model;

Fig. 3 is the utility model timing routine block diagram;

Fig. 4 is provided with the workflow diagram of timing routine for the utility model;

Fig. 5 replys flow chart fast for the utility model phone;

Fig. 6 is the schematic diagram of the utility model display screen.

Embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

As shown in the figure, a kind of phone disturbance-proof device, comprise the phone on-off control circuit 2 that is arranged on before the telephone set 1, phone on-off control circuit 2 is connected with microprocessor MPU control mouth, microprocessor MPU by latch/decoding circuit 3 is connected with display circuit 4, microprocessor MPU one in fracture be connected by interface circuit 5 and sample circuit 6 and phone on-off control circuit 2 preceding telephone wires, fracture is connected with keyboard circuit 8 by register 7 in another of microprocessor MPU, microprocessor MPU is connected with program memory ROM and data storage SRAM, microprocessor MPU is connected with data storage SRAM by address register 9 simultaneously, microprocessor MPU also is connected with timing circuit 10, calendar/clock circuit 11, and be connected with telephone wire behind the phone on-off control circuit 1 by dial-up circuit 12 and interface circuit 5, data storage SRAM segmentation has buddy list phone and blacklist phone data, program memory ROM is mounted with the call program, the call program is provided with buddy list, three kinds of holding states of blacklist and common access, microprocessor MPU passes through call program control phone on-off control circuit 2: when outside line is called out, at first recording phone number and call time, inquire about current holding state and processing respectively then: 1. at the buddy list state, in the inquiry buddy list whether this phone is arranged, have and then connect telephone bell, nothing then records by the rejection number call, and refusing to receive telephone; 2. at the blacklist state, in the inquiry blacklist whether this phone is arranged, do not have and then connect telephone bell, have then to record by the rejection number call, and refusing to receive telephone; 3. at common access state, directly connect telephone bell; Judging whether to receive calls after telephone bell is connected, otherwise record missed call, is the then ticketed call time, finishes up to on-hook.

Program memory ROM also is mounted with timing routine, and timing routine is set the microprocessor MPU holding state of conversion in certain period automatically as required.

Program memory ROM is mounted with phone simultaneously and replys program fast, realizes the quick answer of phone.

The physical circuit figure of whole device can design various concrete circuit with reference to the circuit design of 00244603.0 Chinese utility model patent with according to technology known to those skilled in the art, as timing circuit, interface circuit, sample circuit, keyboard circuit and display circuit etc., in the utility model, just no longer launch carefully to state.

Operation principle of the present utility model is such, is solidified with the working procedure of microprocessor MPU in the program memory ROM, can load automatically when microprocessor MPU powers on.Data storage SRAM segmentation has buddy list phone and blacklist phone data, has also stored Outgoing Call, incoming call, refusing to receive telephone, missed call, refusing to receive telephone, 4 groups schemes regularly simultaneously, selects to add phone directory.Buddy list, blacklist and phone directory be recording phone number and number sum only, the user browses current demonstration number, need to select the mode of preservation, after microprocessor MPU receives and determines signal, from latching/fetch the decoding circuit 3 telephone number of current demonstration, go if be saved in the buddy list, then in blacklist, seek this number earlier, if find duplicate numbers, after the deletion, add this number again in buddy list in blacklist, interpolation finishes, microprocessor MPU to latch/decoding circuit 3 returns and remembers successfully, and transmit a pulse signal and give buzzer.When adding number in blacklist, the microprocessor MPU also buddy list in data storage SRAM is searched this number, if after finding just automatic deletion, add in blacklist again.When buddy list, blacklist and phone directory add record, microprocessor MPU will carry out ascending order to caller ID and arrange storage, after the storage, add up this group record number, and will be recorded among the data storage SRAM.Utilize this number and half-and-half the method for searching can be implemented in this group record and search fast.When memory space is expired, again to wherein adding telephone number, will point out storage full, require deletion record.Dial-out, incoming call, rejection, do not connect and the phone of rejection all by microprocessor MPU writing sequence number, telephone number, incoming call/call time, air time automatically in data storage SRAM, the user can delete itemize or empty this group record.Microprocessor MPU is remembered by program control and is deleted telephony recording.Interface circuit 5 is responsible for the A/D conversion, the double-audio signal on the telephone wire is converted to digital signal sends sample circuit 6 to and compare, and the double-audio signal that dial-up circuit 12 sends sends to switched telephone network.6 pairs of phones of interface circuit 5 and sample circuit are monitored, when finding to call out, sample circuit 6 receives caller ID, and the middle fracture INT1 of notice microprocessor MPU, microprocessor MPU is fetched according to the current time operating state of sending out is set, and sends switch command to phone on-off control circuit 2, the recording incoming time, and in data storage SRAM, search caller ID, judge whether conducting of phone on-off control circuit 2 according to lookup result, as shown in Figure 2.Sample circuit 6 continues to monitor talking state and notify the microprocessor MPU ticketed call time.When finding to have phone to transfer to, sample circuit 6 receives the Outgoing Call number, and the middle fracture INT1 of notice microprocessor MPU, the time that the microprocessor MPU headphone is called out, when being provided with dialing restriction, checking telephone number, and instruct to phone on-off control circuit 2 transmit buttons.After keyboard circuit 8 is accepted user instruction, earlier instruction is kept in the register 7, register 7 is received the idle signal of microprocessor MPU, the middle fracture INT2 to microprocessor MPU sends user instruction again.Microprocessor MPU is handled according to the corresponding program of user's instruction calls.After when timing circuit 10 is timed to, can regularly send interrupt signal INT0 to microprocessor MPU, microprocessor MPU takes out the state that sets from data storage SRAM, the on off state of phone on-off control circuit 2 is set, fetching next state changes constantly, timer is set, about the workflow diagram that enters timing routine and timing routine is set is seen Fig. 3 and Fig. 4 respectively.If customer requirements is replied fast, and sample circuit 6 returns user's off hook signal, microprocessor MPU record exhalation time, and from latch/decoding circuit 3 fetches numbers displayed, send in the dial-up circuit 12, the keyboard dialing of dial-up circuit 12 analog subscribers sends calling, replys program fast as shown in Figure 5.When sample circuit 6 finds that the user breathes out, notice microprocessor MPU record outgoing call, exhalation time, air time.If to be provided with call blocking long-distance as forbidding, check breathe out first whether be 0, be 0 and recover after 1 second to connect by being connected of phone on-off control circuit 2 dropped calls and local network, interrupt this calling with this.

Claims

1, a kind of phone disturbance-proof device, comprise the phone on-off control circuit that is arranged on before the telephone set and with described phone on-off control circuit microprocessor linked, described microprocessor by latch/decoding circuit is connected with display circuit, it is characterized in that described microprocessor is connected with telephone wire before the described phone on-off control circuit by interface circuit and sample circuit, described microprocessor is connected with keyboard circuit by register, described microprocessor is connected with program storage and data storage, described microprocessor is connected with described data storage by address register simultaneously, described data storage segmentation has buddy list phone and blacklist phone data, described program storage is mounted with the call program, described call program is provided with buddy list, three kinds of holding states of blacklist and common access, described microprocessor is by the described phone on-off control circuit of call program control.

2, a kind of phone disturbance-proof device as claimed in claim 1 is characterized in that described microprocessor is connected with timing circuit, and described program storage is mounted with timing routine, and described microprocessor is the holding state of conversion in certain period automatically.

3, a kind of phone disturbance-proof device as claimed in claim 1 is characterized in that described microprocessor is connected with calendar/clock circuit.

4, a kind of phone disturbance-proof device as claimed in claim 1, it is characterized in that described microprocessor is connected with telephone wire behind the described phone on-off control circuit by dial-up circuit and described interface circuit, described program storage is mounted with phone and replys program fast.