CN2140116Y - Automatic respose apparatus for telephone - Google Patents

Abstract

The utility model relates to an automatic answering device for a telephone, which is composed of a ringing sensing device, an electronic switch, a time delay circuit, an off hook switch, a solid speech processor and a common recorder. The ringing sensing device, the electronic switch, the time delay circuit, the off hook switch, the solid speech processor and the common recorder serve as a recording part. Because the utility model adopts the solid speech processor which is not reproduced mechanically, the utility model has the advantages of simplicity, reliability, low cost of manufacture, etc. In addition, because the common recorder is adopted to replace a recording device, the automatic recording of the telephone can be realized by adding an answering machine to a common telephone which is installed in a user's family, in particular to a domestic user. Then, the common telephone has the functions of a telegraphone.

Description

Automatic respose apparatus for telephone

The utility model provides a kind of phone with setting up electronic installation, specifically provide a kind of automatic answering device-phone automatic-answering back device machine of setting up for ordinary telephone set, this automatic-answering back device machine can utilize common recorder to record the message of the side of calling down automatically, makes common telephone set have the same function of dtelegraphone.

Along with the needs of the expanding economy and the information of transmission, phone is adopted by the people as a kind of means of communication easily more and more commonly.For satisfying the needs of different operating positions, also design the various telephone sets that can finish multiple function simultaneously, for example can be stay-at-home automatically and write down (recording) give orders or instructions automatic recording type telephone set of the other side's content.But this telephone set cost height, complex structure also is difficult to common application, thereby uses at most at present, and particularly the telephone set that uses in the family remains common not with the telephone set of recording.This telephone set is installed when unattended, can't be received the other side's information, use and feel inconvenience often.

The purpose of this utility model is that this machine can utilize common recorder as receiving system for common telephone set provides a kind of automatic answering device of setting up, and the content of calling under the record makes common phone function finish the function of dtelegraphone automatically.Simultaneously, this accessory device is simple in structure, cheap, is easy to apply.

The structure of the utility model phone automatic-answering back device machine to the band dtelegraphone reply the recording part similar, comprise that ring detects, partial circuit such as electronic switch, voice are broadcasted, delay circuit, off-hook switch and recording and element form, it is characterized in that voice are broadcasted adopts the solid speech processor, and the mechanical type playback of not adopting the normal tape dtelegraphone to be adopted, and it partly is external recording that the recording part is utilized common recorder, the i.e. recording of telephone answering machine of the present utility model

Circuit design principle of the present utility model electric theory diagram as shown in Figure 1, among the figure 1, the ring checking circuit; 2, electronic switching circuit; 3, rectification circuit; 4, voltage stabilizing circuit; 5, off-hook switching circuit; 6, delay circuit I; 7, delay circuit II; 8, solid playback circuit; 9, playback control circuit; 10, audio oscillator circuit; 11, amplifying circuit; 12, indicating circuit.A is for driving recorder power; B is to the recorder input circuit; C is an AC power.The course of work of the present utility model schematic block circuit diagram as shown in Figure 1, specifically, switch K, can make this machine be in phone automatic-answering back device state by a change over switch, at this moment the start indicating device of indicating circuit 12 sends demonstration, represents that this machine is in running order.When outside line is called, the relay J in the bell signal trigger switch circuit 2 that ring checking circuit 1 receives ₁Its AC power C and answering machine and recorder are connected.The low-voltage direct control electronic switch 2 of AC power 3 outputs through the rectification road is locked in logical state.Low-voltage dc power supply makes the relay J of off-hook switching circuit 5 simultaneously ₂The normal opened contact closure is connected voice-grade channel of outside line speech channel and this machine and the recording socket of recording input circuit B.The stabilized voltage power supply that low-tension supply obtains behind voltage stabilizing circuit 4 again is as the power supply of other circuit part of this machine.Playback control circuit 9 and solid playback circuit 8 are formed the playback unit, wherein solid playback circuit 8 is that voice-processor chip and memory are formed by the solid language processor, analog voice signal changes digital electric signal in processor, put into memory, take out the signal of telecommunication again in memory during playback, change voice signal again into, playback control circuit 9 is voltage comparators, by the control of the address wire timing circuit of memory, after being come again, playback stops.The playback signal is by amplifier BG ₂Amplify after off-hook switch 5 is directed at outside line and recorder.Stabilized voltage power supply power supply beginning is by the delay circuit I ₆Fix time after (forming) control, finish the time that playing time and certain Gong the other side record by a voltage comparator.Delay circuit II 7 is identical with the delay circuit I, also is made up of a voltage comparator, and it controls certain hour, and control electronic switch 2 turn-offs when time-delay finishes, and cuts off the complete machine power supply, stops simultaneously to recorder power supply, the J of off-hook switching circuit 5 ₂Turn-off the calling indication signal end of conversation of indicating circuit mouth.Before this machine-operated machine, the delay circuit I ₆Can trigger the audio oscillator circuit of being made up of operational amplifier 10, output audio signal is also by amplifier BG ₂Amplify and send outside line, the other side's record length of announcement arrives.

Accompanying drawing 2 can be used as an example of the present utility model, and it provides by the designed concrete phone automatic-answering back device machine circuit figure of the theory diagram of accompanying drawing 1.Among the figure, ring checking circuit 1 is by D ₁～D ₄After detector diode is formed all detections, detect voltage and be added to capacitor C ₉On; Electronic switching circuit is by relay J ₁With transistor BG ₁Form capacitor C ₉Last bell signal triggers J ₁Make AC power answering machine and recorder connect CZ ₁Be the recorder jack.Transformer B and rectifier diode D ₁₉, D ₂₀And filter capacitor C ₁₂ Form rectification circuit 3 and obtain low-voltage direct 6V electricity, by integrated package of pressure-stabilizing 7805, filtered electrical C ₁₂, C ₁₃And load resistance R ₂₁Form voltage stabilizing circuit 4 outputs and stablize 5V voltage.Off-hook switch 5 is by relay J ₂Form, delay circuit I 6 and delay circuit II 7 are finished by 2 1/4 parts of voltage comparator integrated package 339 respectively, and other 339/2 as playback control circuit 9; Solid playback 8 is made up of speech processor UM5100 chip and 27,256 two kinds of integrated packages of memory; The transistor BG of input amplifying circuit 11 after solid playback 8 output signals are amplified via operational amplifier integrated package 324/2 ₂Base stage; Be added to by after the amplification of 324/2 operational amplifier by delay circuit I 6 output signals, add the BG of amplifying circuit 11 simultaneously ₂On.Indicating circuit 12 comprises start indication and calling indication, respectively by two light-emitting diode D ₂₁, D ₂₂Constitute.Off-hook switch 5 is the recorder socket with the output of amplifying circuit 11, R ₂₄, C ₆And CZ ₂With R ₂₃, C ₆And CZ ₃The recorder that is respectively the coupling different input resistance designs.The relay J of sub-switching circuit 2 of above-mentioned 6V DC power supply and off-hook switch 5 ₂Use, voltage stabilizing 5V DC power supply is used for other circuit.This machine is at first imported in voice playback part and is necessarily replied term, but automatic-answering back device when outside line is called.Delay circuit I 6 can be designed to time-delay in 1 minute 10 seconds, replys recording automatically in 1 minute in promptly 10 seconds.During the time-delay end in 61 minutes 10 seconds of delay circuit I, trigger delay circuit II 7 simultaneously, delay circuit II 7 can be designed to delay time 10 seconds, after the time-delay combination in 10 seconds, delay circuit II 7 is turn-offed control switch, and disconnected complete machine power supply continues, recorder is stopped power supply, and the off-hook switch turn-offs, and the calling indicator light extinguishes.The indicator light of only starting shooting shows that answering machine is prepared the program of next time calling.

By above-mentioned example, the utility model answering machine is when being in when do not have speech phase, and complete machine does not have power consumption, and is therefore can 24 hours on duty, and simultaneously again because of this machine adopts the solid language processor, the on-mechanical playback has easy to be reliably, and it is low to make finished product.In addition, recording system adopts common external recorder, to the user of plain old telephone is installed, as long as particularly the domestic consumer sets up the utility model answering machine and just can realize that phone records automatically, make it to have the dtelegraphone said function, but therefore cost is convenient to promote the use of all much smaller than dtelegraphone.

Claims (3)

1, a kind of phone automatic-answering back device machine, comprise that ring detects, partial circuit such as electronic switch, voice are broadcasted, delay circuit, off-hook switch and recording and element form, it is characterized in that voice are broadcasted adopts the solid speech processor, and the recording part utilizes common recorder to replace.

2,, it is characterized in that the solid speech processor is made up of voice-processor chip and memory according to the described answering machine of claim 1.

3,, it is characterized in that pronounciation processing chip can adopt UM5100 chip and two kinds of integrated packages of 27256 memories according to the described answering machine of claim 1.

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