CN2144900Y

CN2144900Y - Intelligent telephone additional device

Info

Publication number: CN2144900Y
Application number: CN 92242909
Authority: CN
Inventors: 谢志铭; 江启宇; 陈依开
Original assignee: FUJIAN TV STATION DEVELOPMENT CENTRE
Current assignee: FUJIAN TV STATION DEVELOPMENT CENTRE
Priority date: 1992-12-07
Filing date: 1992-12-07
Publication date: 1993-10-27
Anticipated expiration: 2002-12-07

Abstract

The utility model relates to an automatic answering device which is attached with a telephone, and is capable of adding nine functions to the telephone. The nine functions are that an owner's message setting function, an other party telephone message recording function, a both parties talking recording function, a calling telephone message playing function, a remote control monitoring calling telephone message recording function, a remote control changing owner's message recording function, a remote control household electrical appliance switching on and off function, etc. A control part adopts an SCM. A recording and playing part adopts a speech chip and a speech data memory which comprises an owner's message setting region and a calling telephone recording region. The utility model also comprises a ringing detecting circuit, a telephone transmission circuit, an audio processing circuit, a DTMF decoding circuit, a code setting circuit, a recording and playing control keys circuit, a household electrical appliance control switch circuit, etc.

Description

Intelligent telephone additional device

The utility model relates to a kind of telephone subscriber's device, relates to a kind of device that is attached to the other answer calls of telephone set, automatic record message or rather.

Existing automatic-recall, announcement record device mostly adopt the scheme of external common recorder, pass through interface arrangement, grafting ordinary telephone set and recorder, thereby make plain old telephone become telegraphone, owing to use the magnetic tape record/play sound, it is inconvenient to listen to message, and tape and movement serious wear are damaged easily, therefore this device when owner goes out, can't listen to the incoming call recording because of there not being distant control function, also can't change the message of oneself, also just can not understand up-to-date information at any time.

The purpose of this utility model is that the existing telephone answering machine is improved, from making things convenient for the utilization rate of user, raising phone gauze, design a kind of smart phone adapter, be attached to by the telephone set, except the function that keeps automatic-answering back device, recording automatically, also have and monitor at a distance by telephone wire and external call that announcement record, change are own leaves a message and functions such as remote control home appliance device power supply (DPS) break-make.

Smart phone adapter of the present utility model, with ordinary telephone set and connect use, comprise single chip microcomputer, speech chip, voice data memory, audio frequency processing circuit, ring detecting circuit, phone transmission circuit, DTMF decoding circuit, household electrical appliance gate-controlled switch circuit, private mark initialization circuit and PLY/REC/SET control key circuit.Its structure is: ring detecting circuit, PLY/REC/SET controls key circuit, the DTMF decoding circuit, the output of private mark initialization circuit connects the single-chip microcomputer input port respectively, the single-chip microcomputer delivery outlet transmission circuit of answering the call respectively, speech chip, voice data memory and household electrical appliance gate-controlled switch circuit, the outside line of answering the call of ring detecting circuit and phone transmission circuit, the audio frequency processing circuit of band loud speaker and microphone is between speech chip and phone transmission circuit, ring detecting circuit and phone transmission circuit receive the outside line signal, the private mark that the phone transmission circuit comes outside line under Single-chip Controlling, command code is sent DTMF decoding circuit, or the analog signal that outside line is come is stored in the voice data memory after audio frequency processing circuit sending voice chip A/D conversion, voice signal from microphone is stored in the voice data memory after audio frequency processing circuit sending voice chip A/D conversion, speech chip is converted to analog signal with the data-signal of voice data memory under Single-chip Controlling, send the loud speaker playback or send the phone transmission circuit to outside line through audio frequency processing circuit.

This adapter, control section adopts single chip microcomputer, and speech chip and dynamic random memory are partly adopted in record, playback, because the solid state circuitization of record, playback does not have mechanical part, thereby improved reliability and useful life.

This adapter, have nine kinds of functions, comprise owner's announcement record, automatic-answering back device, the recording of the other side's telephone message, incoming call message playback, specify certain incoming call recording of resetting, both sides' calling record, remote control to monitor incoming call announcement record, remote control change owner's announcement record and remote control household electrical appliances mains switch break-make.

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

Accompanying drawing 1 is a smart phone adapter frame principle figure.

Accompanying drawing 2 is one of smart phone adapter circuit structure diagram.

Accompanying drawing 3 is two of a smart phone adapter circuit structure diagram.

Accompanying drawing 4 is three of a smart phone adapter circuit structure diagram.

The combination of accompanying

drawing

2,3,4 is whole enforcement circuit diagrams of this adapter.

Referring to accompanying drawing 1, the indicator light circuit 10 of single chip microcomputer 1, speech chip 2, audio frequency processing circuit 3, voice data memory 4, ring detecting circuit 5, phone transmission circuit 6, DTMF decoding circuit 7, household electrical appliance gate-controlled switch circuit 8, private mark initialization circuit 9, gate-controlled switch, status indicator lamp circuit 11, PLY/REC/SET control key circuit 12, loud speaker 13, microphone 14 and household electrical appliance

manual control circuit

15,20 is phone among the figure.

Control key circuit 12 contains playback (PLY), recording (REC), (SRT) three buttons reset.

During owner's announcement record, press the REC key, single chip microcomputer detects this signal, control speech chip 2 and voice data memory 4, make to be in recording state, owner's message is from microphone 14 inputs, after audio frequency processing circuit 3 amplifies, enter speech chip 2, deposit owner in the voice data memory 4 in through the A/D conversion again and leave a message in the district.

During automatic-answering back device, send into bell signal by outside line, ring detecting circuit 5 carries out rectifying and wave-filtering to it, form the input port that DC pulse adds to single chip microcomputer 1, software is judged does not still have off-hook after the several times ring, single-chip microcomputer is promptly connected transmission circuit 6 and is driven speech chip 2 and voice data memory 4 playbacks, read the data that owner leaves a message and distinguishes, carry out the D/A conversion by speech chip, again through audio frequency processing circuit 3 filtering, amplification, phone transmission circuit 6 by on is delivered on the outside line, to hearing owner's the message of replying.

During the recording of the other side's telephone message, owner's message playback is put complete, software produces " toot " sound prompting the other side speech of 0.6 second, speech chip 2 controlled by single-chip microcomputer thereupon and speech data storage 4 changes recording state over to, the other side message by phone transmission circuit 6, audio frequency processing circuit 3 enter speech chip 2, through the A/D conversion, order deposits in each announcement record district of voice data memory 4.

During the incoming call message playback, click the PLY key of control key circuit 12, Single-chip Controlling speech chip 2 and voice data memory 4 enter tone playing state, the address in each announcement record district of Single-chip Controlling voice data memory, make their sequential workings, sense data is converted to analog signal by speech chip 2, is emitted by loud speaker 13 after audio frequency processing circuit 3 filtering, amplification.

Specify when resetting certain incoming call recording, press the PLY key of control key circuit, and remain on down state, for specifying playback instructions, single chip microcomputer is each announcement record district of gating language data memory successively, the status indicator lamp corresponding order light on and off in the status indicator lamp circuit 11 with each announcement record district, when treating that the playback announcement record district indicator light of appointment is bright, unclamp the PLY key, speech chip promptly enters the tone playing state in this appointment message district, sense data is converted to analog signal through audio frequency processing circuit 3 filtering by speech chip 2, amplifying the back is emitted by loud speaker 13.

During both sides' calling record, outside line and this electromechanics words are connected, press the REC key of control key circuit 12, single-chip microcomputer 1 control speech chip 2 is in recording status, control each announcement record district sequential working of voice data memory simultaneously, both sides' conversation signal is through phone transmission circuit 6, audio frequency processing circuit 3, speech chip 2, changes digital signal into and deposits each announcement record district in the voice data memory in proper order in.

When incoming call announcement record, change owner's announcement record and remote control household electrical appliances mains switch break-make are monitored in remote control, by outside line hang communicate this electromechanics after, dial private mark and command code again.Private mark is local adapter code, can set by the code switch of beating of private mark initialization circuit 9, command code be representative change owner leave a message operation, monitor that the incoming call announcement record is operated and the function digit of switch household electrical appliances power supply.Ring detecting circuit 5 detects unmanned off-hook behind the several times bell signal, single-chip microcomputer is promptly controlled and is connected phone transmission circuit 6, the private mark signal enters DTMF decoding circuit 7 by phone transmission circuit 6, this circuit solves the binary-coded decimal corresponding with private mark and send single-chip microcomputer 1, single-chip microcomputer 1 to read this yard by software and compare by turn with the private mark that the private mark initialization circuit is set, compare incorrectly, software resets single-chip microcomputer automatically, and no longer receives next bit private mark, comparison is correct, then receives command code.

If command code is to monitor the number of incoming call announcement record, Single-chip Controlling phone transmission circuit 6, speech chip 2 and voice data memory 4, data with each announcement record district, filtering through D/A conversion, audio frequency processing circuit 3 is amplified, deliver to outside line by phone transmission circuit 6, monitor for remote control.

If command code is the number of change owner announcement record, single-chip microcomputer is then controlled speech chip and is changed recording state over to, and connection phone transmission circuit, the audio signal that owner leaves a message again is from outside line, by phone transmission circuit 6, audio frequency processing circuit 3, speech chip 2, deposit in owner's announcement record district of speech data storage portions.

If command code is the number of remote control household electrical appliances mains switch, controlled by single chip microprocessor household electrical appliance gate-controlled switch circuit 8 turns on and off K1, K2 by the operation requirement, switch indicating circuit 10 is used to indicate the open and close state of electrical appliance, and other has household electrical appliances manual control circuit 15, but manual operation K1, K2.

Referring to accompanying drawing 2, the voice data memory 4 of present embodiment is established six storage portions altogether, and regulation U1, U2 are used to store owner's message, U3-U4, U5-U6, U7-U8, U9-U10, the recording of five storage portions storages of U11-U12 incoming call, its A0-A8 address signal is from the 17-25 pin (with the A0-A8 mark) of language chip U16 among Fig. 3, U1-U12 adopts 41256, six storage portions of DRAM256K can write down six sections speech signals, every section 30 seconds, reach 3 minutes when recording continuously.

Its row selects signal RAS to select signal RAS end pin 1 from the row of speech chip U16 among Fig. 3, and with the A9 mark, its column selection signal CAS is from the output of the I/O interface expanded circuit U21-U23 of single-chip microcomputer U17 among Fig. 3, respectively with 11 ' 22 ' ... 66 ' mark.

Speech chip U16 end pin 28(W among its R/W signal and Fig. 3) joins, with the A10 mark.The Bits Serial data output end Dout of speech chip U16 is connected to the D end of U1-U12 among Fig. 3, with the A11 mark, is used to write data, and the data of storing among the U1-U12 are held from the DIN that the serial of O end exports speech chip U16 Fig. 3 to.

Referring to accompanying

drawing

3,4, that the single-chip microcomputer U17 of embodiment adopts is cheap, function admirable, have and can prevent from illegally to examine the maintain secrecy PIC16C54 of position of shellfish program, has 4 duplex channel RA mouths (RA0-RA3) and 8 duplex channel RB mouths (RB0-RB7).Adopt bidirectional analog switch U18-U20 and or door U21-U23 form the I/O interface expanded circuit of single-chip microcomputer, be subjected to language chip U16 column selection signal CAS1, CAS2 control produce the column selection signal 11 ' 22 of voice data memory U1-U12 ' ... 66 ', effective storage capability is doubled.

Bidirectional analog switch U18-U19 is 2 * 4 switches, be subjected to A, four kinds of State Control of B combination, make XO/I and X0-X3, an or connection among YO/I and the Y0-Y3, U20 is 3 * 2 switches, be subjected to A, B, the C State Control, make AO/I and Ax-Ay, BO/I and Bx-By, a connection among CO/I and the Cx-Cy, U18, the A of U19, B end respectively with the Ay of U20, the By end links to each other, with C1, the C2 mark, the A of U20, B, C then is subjected to the control of single-chip microcomputer U17RA2, U18, the XO/I of U19, YO/I links to each other with the RB0-RB3 of single chip microcomputer respectively, the AO/I of U20, BO/I, CO/I then respectively with the RB4 of single-chip microcomputer, RB5, RA1 links to each other, the RA0 of single chip microcomputer U17 connects the PLY key, RA3 and the output of Fig. 4 phone transmission circuit are joined, with the A mark.RB6, RB7 connect REC end and the PLY end of speech chip U16.

Diode bridge J1 among Fig. 4, J2, capacitor C 20, C21, voltage-stabiliser tube D14 etc. form ring detecting circuit, from a, bell signal on the b telephone wire is through C20, C21 is every directly, J1, J2 full-wave rectification and through R45, D10, D14, R1, D12, produce the square-wave pulse corresponding behind the C22 voltage regulation filtering with bell signal, this signal in D12(figure with the C mark) deliver to the RTCC end of single-chip microcomputer U17 among Fig. 3, to this step-by-step counting, software is judged when full 5 pulses of meter do not have off-hook, single chip microcomputer RA3 end output high level (being that A is a high level among Fig. 3), the base stage that makes triode Q3 among Fig. 4 is high potential (Fig. 3, M among Fig. 4, N is corresponding to be connected).

By triode Q3, Q2, amplifier U25 and peripheral cell thereof are formed phone transmission circuit and audio frequency processing circuit, when A is high level, Q3, the Q2 conducting, a, the audio signal of b outside line is through R37, behind the attenuation network that R36 etc. form, deliver to the AUD1 end of speech chip U16 among Fig. 3 by amplifier U25-3, change through A/D, become 1 bit data by Dout end serial output, and under single-chip microcomputer U17 control, pass through its I/O interface expanded circuit, output 11 '-66 ' chip selection signal, deposit in a certain unit of U1-U12, the AUDI that also delivers to speech chip U16 through amplification such as U25-3 by the message of microphone 14 input holds.

After the D/A conversion of data in U16 of the arbitrary memory cell of U1-U12 that reads in from U16DIN end, emit through capacitor C 8, transport and placing device U25-1, R28, U25-2, C12, U26 to loud speaker by the output of AUD0 end.When automatic-answering back device and remote control monitoring message, the analog signal of U16AUD0 end output is amplified after arrival such as C13, Q2 outside line a, b hear conversation the opposing party by amplifier U25-1, U25-2.

Among Fig. 3,8 password setting switch SW 3 and resistance R 4-R11 form the private mark initialization circuit, and its output F11-F14, F21-F24 link to each other with the end of the same name of U18-U19, produce two groups of binary digits respectively, i.e. two decimal numbers setting private marks.

U24 and peripheral cell thereof are formed the DTMF decoding circuit among Fig. 4, and the In-of U24 and GS end (among the figure with the M mark) receive private mark and command code from outside line a, b by Q2.The 11-14 pin of U24 is with the Q1-Q4 mark, link to each other with X1, the Y1 of U18, U19 among Fig. 3 respectively, the sheet prow earlier reads in U18, U19, F11-F14(F21-F24 by its RB0-RB3 mouth) the private mark setting data, read private mark from STD, the Q1-Q2 of decoder U24 again from a, b, and compare, if the DTMF that reads in decoding is not inconsistent with the sign indicating number of setting, single-chip microcomputer is got back to initial state, if comparison is correct, further read sign indicating number again, embodiment predetermined operation sign indicating number and corresponding operation thereof are: 0-change owner message; 1,2,3,4,5-monitors the incoming call message; 6-opens K1; 7-closes K1; 8-opens K2; 9-closes K2, and when the command code of reading in was above numerical value, single-chip microcomputer was made corresponding operation control.

Two J-K flip flop U27, triode Q4, Q5 among Fig. 4, photoelectrical coupler U30, U31 etc. form household electrical appliance gate-controlled switch circuit, be subjected to U20Ay, By(with C1, C2 mark) signal controlling, be single-chip microcomputer U16RA1, RB4, RB5 signal controlling, the U27 rotary movement, during Q end output high level, Q4, Q5 conducting, photoelectrical coupler U30, U31 conducting, interchange 220 civil powers by S17, S34, S17 ', S34 ' access are applied on S27, the S27 ', promptly connect electrical appliance K switch 1, K2, otherwise then disconnect K1, K2.

Among Fig. 4, S2 is owner's district's working station indicator of leaving a message, and S4, S6, S8, S10, S12 are the working station indicator in five announcement record districts, and S13, S14, S15 are respectively PLY, RESET, REC button.

Adapter of the present utility model, requiring to send the other side's phone of private mark and command code must be the dual-tone multifrequency phone.

Putting owner's announcement record, the incoming call announcement record is monitored in remote control, (promptly each record before remote control change owner's message and the incoming call automatic-answering back device, before the playback), single-chip microcomputer RTCC end detects 5 bell signals and during unmanned off-hook, making RA3 on the one hand is high level, phone transmission circuit Q2 etc. is connected in control, the RB0 end generates " toot " acoustical signal of 0.6 second of 1KHz under software control on the other hand, this signal of X0 end output of 2 * 4 analog switch U18 is through R27, C9, U25-3, U25-2, Q2 delivers to outside line, allow the other side hear, carry out announcement record then, monitor announcement record and change announcement record etc.

The BUSY end of speech chip U16 is no matter recording or playback are 0 when it is busy, be 1 at ordinary times, recording or playback finish, and the BUSY end all produces from 0 to 1 saltus step, this skip signal is sent single-chip microcomputer real-time counter RTCC through R12, D1, can judge whether to begin a new action from RTCC.

Single-chip microcomputer P1C16C54 does not have internal interrupt, can only adopt the scan method inquiry, RA0 in the RA mouth, RA1 are that keyboard is declared input (PLY, REC), counter RTCC is set to outside input mode, singlechip CPU is checked this three mouths successively, if RTCC has the signal input, just judge it is that phone ringing causes, main program skips to the telephonograph program.Keypress function adopts multiplex mode, and each key has two kinds of functions, and whether program reexamines button with the time-delay determining method effective, effectively then enters second kind of function, and the REC key be owner's announcement record and all recording, and PLY is whole playbacks and selection playback.

The mechanical structure of this adapter mainly comprises motherboard, control board and some switches, plug receptacle etc.

Claims

1, a kind of smart phone adapter, with telephone set and connect, it is characterized in that comprising: the audio frequency processing circuit of single chip microcomputer, speech chip, voice data memory, band loud speaker and microphone, ring detecting circuit, phone transmission circuit, DTMF decoding circuit, household electrical appliance gate-controlled switch circuit, private mark initialization circuit and PLY/REC/SET control key circuit, ring detecting circuit, PLY/REC/SET control key circuit, DTME decoding circuit, the output of private mark initialization circuit is order sheet microcomputer input port respectively; Single chip microcomputer delivery outlet answer the call respectively transmission circuit, speech chip, voice data memory and household electrical appliance gate-controlled switch circuit; The outside line of answering the call of ring detecting circuit and phone transmission circuit, audio frequency processing circuit is between speech chip and phone transmission circuit, ring detecting circuit and phone transmission circuit receive the outside line signal, the phone transmission circuit is with private mark, command code is sent the DTMF decoding circuit or is stored in the voice data memory after audio frequency processing circuit sending voice chip A/D conversion, the microphone voice signal is stored in the voice data memory after audio frequency processing circuit sending voice chip A/D conversion, the data of voice data memory after speech chip D/A conversion, send audio frequency processing circuit by the loud speaker playback or by the phone transmission circuit to outside line.

2, smart phone adapter according to claim 1 is characterized in that described single chip microcomputer is PIC16C54, and described speech chip is XJC1.

3, smart phone adapter according to claim 1 and 2, it is characterized in that described single chip microcomputer also comprise by 2 * 4,3 * 2 bidirectional analog switches and or the single-chip processor i/o interface expanded circuit formed of door, the column selection signal end of described DTMF decoding circuit, private mark initialization circuit, voice data memory, the REC button of household electrical appliance gate-controlled switch circuit, PLY/REC/SET control key circuit links to each other with single chip microcomputer by described I/O interface expanded circuit.

4, smart phone adapter according to claim 1 and 2 is characterized in that the RTCC of described ring detecting circuit output and speech chip BUSY termination single chip microcomputer holds.

5, smart phone adapter according to claim 1 and 2 is characterized in that described voice data memory is the DRAM sheet of subregion storage owner's announcement record and incoming call announcement record.