CN2165582Y

CN2165582Y - Automatic message-recording controller for telephone

Info

Publication number: CN2165582Y
Application number: CN 93241394
Authority: CN
Inventors: 陆建文
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-10-09
Filing date: 1993-10-09
Publication date: 1994-05-18
Anticipated expiration: 2003-10-09

Abstract

The utility model belongs to an automatic message-leaving controller for a telephone, which comprises a power circuit, a ringing current testing circuit, a logic processing circuit, a message-leaving prompting transmitting circuit, a telephone interface circuit, a recording state control circuit, an audio compensating output circuit and a simulation switch circuit. The automatic message-leaving controller for the telephone can achieve the functions of telephone automatic message-leaving and recording the conversation and makes the operation more convenient and the tonal quality of the recording clearer. The utility model can be combined with various new and old radios to use.

Description

Automatic message-recording controller for telephone

The utility model relates to a kind of control device that can make plain old telephone possess automatic message and calling record function.

Ordinary telephone set is only replied Shi Caineng at callee's off-hook and is obtained information, and information can not be apprised of if the callee goes out then, and this has brought inconvenience to the lives of the people.Simultaneously because caller's repeated call has also increased unnecessary added burden for communication network.

For addressing this problem, need acquire automatic message control device by to the control of ordinary telephone set for ordinary telephone set with general recorder, make phone possess unattended function and calling record function.Application number is that 92213440.5 patent application utilizes the coupling of isolating transformer to finish the transmission of external signal in the talk line, and the voice signal that coupling obtains is directly delivered to recorder; Its center control section has been selected the relay of many groups contact for use.Because inside and outside voice signal is unprocessed directly by transformer coupled transmission, signal strength signal intensity is very weak, the distance difference of talk line, circuit disturbs, difference between calling party and called party all can influence the mutual transmission of voice signal, cause distorted signals, also can lose message information if the recorder selection is improper; The relays of many groups contact belong to the industrial machinery relay, and volume is very big, are not suitable for civilianly, and it can not be controlled respectively automatic message, calling record, has influenced the quality of calling record, uses also inconvenience.

The purpose of this utility model provides a kind of improved phone controller of leaving a message automatically, it finish that phone is left a message automatically, during the function of calling record, can make more convenient to operately, make sound clarity, the perfection of message, calling record, can be applied to all kinds of new and old recorders.

The utility model comprises power circuit, bell flowing detecting circuit, logic processing circuit, leaving message prompt transtation mission circuit, telephone interface circuit, recording state control circuit, it is characterized in that, also comprise an audio compensation output circuit, the signal input part of this circuit is joined by the drive control circuit of logic control circuit and telephone interface circuit, and its signal output part joins by the MIC input circuit of socket and recorder; An analog switch, this switch are subjected to the drive control circuit of logic processing circuit to connect working power and a human response circuit that is used for the Artificial Control calling record of leaving message prompt transtation mission circuit and audio compensation output circuit.The utility model also is provided with an operating state indicating circuit.

Compared with prior art the utility model has taken into full account user's actual needs, and more perfect function has following original advantage: 1, possess self-checking function, the user is the intact degree of inspection machine at any time.2, adopt the various operating states of indicator light display device, be convenient to user's operation.3, designed the audio compensation output circuit, do not hindered both sides normally to talk during calling record, the intensity of speech in the circuit is unaffected, and sound is clear as usual.4, owing to designed the audio compensation output circuit, be connected use, all can obtain good recording effect with user's all kinds of new and old recorder.5, owing to designed audio compensation output circuit and leaving message prompt transtation mission circuit, can compensate the decay of voice signal in all kinds of complicated talk lines automatically, make the conversation speech be able to reproduction true to nature in tape, recording effect is clear true.6, circuit adopts integrated device, and simple and reliable, cost is low, and the ratio of performance to price is excellent, is suitable for the domestic general common people's consumption.7, volume is little, in can pack into ordinary telephone set, the recorder, also can make box separately and use.

Fig. 1 is a working method schematic diagram of the present utility model.

Fig. 2 is a logic diagram of circuit of the present utility model.

Fig. 3 is circuit theory diagrams of the present utility model.

Fig. 1 shows real work mode of the present utility model, controller (2) and telephone set (1) also connect, after accepting ringing signal or by the human response circuit, recorder (3) is controlled, be its power supply, and audio signal failed the input circuit in the MIC of recorder, realized the automatic message and the calling record function of phone.

The utility model will be further described below in conjunction with Fig. 2, Fig. 3.

Power circuit 2-1 is made up of transformer B, rectification bridge circuit D14-D17, filter capacitor C20, C21, C22 circuit of three-terminal voltage-stabilizing integrated IC3, is logic processing circuit.Working power is provided and provides working power for leaving message prompt transtation mission circuit, audio compensation output circuit by analog switch.

Bell flowing detecting circuit 2-2 by partiting dc capacitor C1, C2, diode bridge D1 ,-rectification circuit that D4 constitutes, voltage stabilizing circuit and triode T1 that diode D5, voltage stabilizing didoe D6 and resistance R 1, R2, R8, capacitor C 3, C4 constitute form.Bell signal is carried out rectification, voltage stabilizing and provides triggering signal for logic processing circuit.Wherein after resistance R 1, diode P5, the voltage-stabiliser tube P6 serial connection, connect the output of diode bridge.With the consistency that guarantees that ring detects.

Logic processing circuit 2-3 is by 555 time-base circuits, resistance R 7, R8, capacitor C 5, C6, the delay trigger circuit that C7 constitutes, triode T2, T3, relay J 1, J2, J2 and capacitor C 8, C9, C10, the Drive and Control Circuit that constitutes is formed, when ring because the T1 conducting, 2 of the time-base circuit that voltage on the C5 joins by T1 discharge and capacitor C 5,6 pin present electronegative potential, 3 pin output high potential, T2, T3, conducting, J1, J2, the J3 adhesive, its contact J3-1 connects the recording state control circuit, contact J1-1 connects the output and the circuit interface circuit of leaving message prompt transtation mission circuit, and contact J2-1 connects the input and the telephone interface circuit of audio compensation output circuit.7 pin of 555 time-base circuits and the negative pole of light-emitting diode L2 join, and the positive pole of light-emitting diode and an end of the resistance R in the analog switch 11 join, to show the human response state.

Human response circuit 2-4 is made up of the K switch 1 that is attempted by resistance R 7 two ends, resistance R 6 and the K switch 2 that is connected between triode T2 collector electrode and the emitter, Push switch K1 can quicken the charging to capacitor C 5, shorten delay time, force to break away from message state, Push switch K2 can make relay J 2, J3 adhesive, forces telephonograph.Can also be by light-emitting diode L2 to the controller self check.

Indicating circuit 2-5 is made up of light-emitting diode L1 that is connected on the time-base circuit output and current-limiting resistance R26, to show message state.

Analog switch 2-10 is made up of resistance R 10, R9, R11, R12 and switch transistor T 4.During T3 conducting in logic processing circuit, the base stage of T4 is introduced an electronegative potential, and the T4 conducting is for leaving message prompt transtation mission circuit and audio compensation output circuit provide working power.

Leaving message prompt transtation mission circuit 2-6 is the speech IC IC2 of TP1106K and peripheral resistance R 12-R14, capacitor C 11-12, voltage stabilizing didoe D7, the sound circuit that constitutes by model and is made up of the transtation mission circuit that the contact J1-1 of triode T5, resistance R 15-R19, capacitor C 13-15, diode D8-D9, relay J 1 constitutes that wherein diode D9 is serially connected between the collector electrode of moving spring of contact J1-1 and triode T2; The output of D8 and speech IC IC2 also connects; D9, D8 play the protective effect to IC2.After analog switch provided working power, " owner does not exist, and please the leave a message " signal that is solidificated among the IC2 was transported to telephone interface circuit by transtation mission circuit.

Audio compensation output circuit 2-7 forms by the negative feedback amplifier that mainly is made of triode T6 with by the output impedance match circuit that capacitor C 17, resistance 24 constitute.Other element of this circuit has resistance R 20, R21, R22, R23, R25, capacitor C 16-C19, relay J 2 contact J2-1, socket CK.The input of negative feedback amplifier joins by the contact J2-1 and the telephone interface circuit of relay J 2, and its output joins by capacitor C 17, the output impedance match circuit of resistance R 24 formations and the MIC input circuit of socket CK and recorder.After analog switch provided working power, words speech signal inserted the MIC input of recorder again by tone frequency channel wire to socket CK by match circuit after negative feedback amplifier amplifies.

Recording state control circuit 2-8 is made up of the contact J3-1 of hand switch K3 supply socket CZ and relay J 3, and when K3 places artificial position, contact J3-1 will control the access of recorder power, when K3 places artificial position, connects the power supply of recorder.

Telephone interface circuit 2-10 is made up of diode bridge D10-D13, a side of bridge circuit answer the call respectively terminals and bell flowing detecting circuit input, and opposite side connects the output of leaving message prompt transtation mission circuit and the input of audio compensation output circuit respectively.

The course of work of the present utility model is: after bell flowing detecting circuit 2-2 receives ringing signal, the T1 conducting, C5 is by resistance R 5, T1 discharge, the 3 pin output high level of time-base circuit, T2, T3 conducting, J1, J2, J3 adhesive simultaneously, the T4 conducting among the analog switch 2-10, be leaving message prompt transtation mission circuit 2-6, the audio compensation output circuit 2-7 provide working power.IC2 among the leaving message prompt transtation mission circuit 2-6 sends the prompt tone signal and delivers to caller phone machine end through transtation mission circuit to the telephone interface circuit that mainly is made of T5; Meanwhile, the connection of J3-1 provides working power for recorder, the message of caller phone is through the signal telephone wire, telephone interface circuit, the negative feedback amplifier circuit of mainly being made up of T6, match circuit C17, R24 socket CK are to recorder MIC end, and recorder just can write down the caller phone language message.Here it is to be noted after J1, J2, J3 adhesive, the leaving message prompt transtation mission circuit is by D10-D13 and on telephone line, the simulation off-hook, ring stops, T1 is ended, C5 begins charging, its charging interval is by the decision of the numerical value of R7, C5, when the level on the C5 is charged to certain numerical value, and 3 pin output low levels of time-base circuit, J1, J2, J3 outage, its contact J1-1, J2-1, J3-1 disconnect, and message finishes automatically, and the utility model can be regulated the resistance of resistance R 7 as required, set delay time, i.e. record length.The K switch of pressing among the human response circuit 2-4 2 can force J2, J3 and analog switch to connect in conversation, only carries out calling record.

Claims

1, a kind of phone controller of leaving a message automatically comprises power circuit (2-1), bell flowing detecting circuit (2-2), logic processing circuit (2-3), leaving message prompt transtation mission circuit (2-6), telephone interface circuit (2-9), recording state, control circuit (2-8), it is characterized in that also comprising:

An audio compensation output circuit (2-7), the signal input part of this circuit are joined by the drive control circuit and the telephone interface circuit of logic processing circuit (2-3), and its signal output part joins by socket (CK) and recorder MIC input circuit;

An analog switch (2-10), this switch is subjected to the drive control circuit of logic processing circuit (2-3), connects the working power of leaving message prompt transtation mission circuit (2-6) and audio compensation output circuit (2-7);

An artificial response circuit (2-4).

2, the phone according to claim 1 controller of leaving a message automatically is characterized in that also comprising an operating state indicating circuit (2-5).

3, the phone according to claim 1 controller of leaving a message automatically is characterized in that: analog switch (2-10) is made up of the electronic switch that resistance (R10, R9, R11, R12) and switching tube (T4) constitute.

4, the phone according to claim 1 controller of leaving a message automatically, it is characterized in that: audio compensation output circuit (2-7) is by mainly forming by the negative feedback amplifier of triode (T6) formation with by the output impedance match circuit that electric capacity (C17), resistance (R24) constitute, the input of negative feedback amplifier joins with telephone interface circuit by the contact (J2-1) of relay (J2), and its output joins by the output impedance match circuit of electric capacity (C17), resistance (R24) formation and the MIC input circuit of socket (CK) and recorder.

5, the phone according to claim 1 controller of leaving a message automatically, it is characterized in that: logic processing circuit (2-3) is made up of delay trigger circuit and Drive and Control Circuit.

6, the phone according to claim 1 controller of leaving a message automatically is characterized in that: diode D9 is serially connected between the collector electrode of the moving spring end of contact J1-1 and triode T2; The output of D8 and speech IC IC2 also connects; D9, D8 play the protective effect to IC2.

7, the phone according to claim 1 controller of leaving a message automatically is characterized in that: connect the output of diode bridge D1-D4 after resistance R 1, diode D5, the voltage-stabiliser tube D6 serial connection, with the consistency that guarantees that ring detects.

8, the phone according to claim 5 controller of leaving a message automatically is characterized in that: delay trigger circuit is by 555 time-base circuits, resistance R 7, R8, capacitor C 5, C6, C7, formation; The negative pole of its 7 pin and light-emitting diode L2 joins, and the positive pole of light-emitting diode and an end of the resistance R in the analog switch 11 join, to show the human response state.