CN1308450A - Automatic sound recorder for radio comm terminal - Google Patents

Automatic sound recorder for radio comm terminal Download PDF

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CN1308450A
CN1308450A CN 00132181 CN00132181A CN1308450A CN 1308450 A CN1308450 A CN 1308450A CN 00132181 CN00132181 CN 00132181 CN 00132181 A CN00132181 A CN 00132181A CN 1308450 A CN1308450 A CN 1308450A
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termination
output
circuit
input
meet
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马开龙
林�发
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Abstract

In the automatic recording device of radio communication terminal, the in end of sending-receiving electric level units 2,3 is connected to A,B,C,D points of terminal machinel, out end V01, V02 of 2,3 to in end of mixing amplifying unit 6, the out end of 6 to in end of voice inspection unit 7 and in end Vi1, Vi2 of the recorder 10, the out end V04 of clockunit 9 to in end of 6, the in-end of ring detection unit 4 to E,F point of 1, the outend of 4 to in end Vi5 of power source controlling unit 8, the out end of 7 to in end of 8 Vi4, the in end of 8 to k, and the out end of 8 to power source end Vi6, Vi7 of 10. The present invention can provide the records of talking message in mobile site or in the occasion far from the city.

Description

Automatic sound recorder for radio comm terminal
The existing wireless communications terminating machine is except that mobile phone has the short time sound-recording function, other radio communication terminal does not all have sound-recording function, but the recording of the short time of mobile phone is the result can not preserve for a long time, also do not have the record of recording time of origin, so can not provide as vaild evidence.And practical work is assigned notice or order through radio telephone commonly used or intercom in living, and receiving-transmitting sides as dispute takes place, causes the bad solution of dispute afterwards because of having no data available.
The objective of the invention is to develop a kind of automatic sound recorder for radio comm terminal, this device can all be recorded the language of wireless terminal receiving-transmitting sides get off, and can preserve for a long time, but also can transcribe, especially it has the voice record of recording time of origin, once receiving-transmitting sides generation dispute, this audiotape can be used as vaild evidence and provides.
The present invention includes radio communication terminal 1, send words level control circuit 2, is talked about level control circuit 3, the tinkle of bells testing circuit 4, mixing and audio amplifier circuit 6, speech testing circuit 7, power control circuit 8, clock sound circuit 9, tape recorder 10, send the sending of two input termination radio communication terminals 1 of words level control circuit 2 to talk about output terminals A, B point, that is talked about two of level control circuit 3 input termination radio communication terminals 1 is talked about output C, D point, send the output V of words level control circuit 2 01Connect an input of mixing and audio amplifier circuit 6, talked about the output V of level control circuit 3 02Connect another input of mixing and audio amplifier circuit 6, the output V of clock sound circuit 9 04Connect another input of mixing and audio amplifier circuit 6.The recording input V of the output termination tape recorder 10 of mixing and audio amplifier circuit 6 I1, V I2, mix and also answer the simultaneously input of tone detection circuit 7 of the output of audio amplifier circuit 6 an input V of the output termination power control circuit 8 of speech testing circuit 7 I4, another input V of power control circuit 8 I5Connect the output of the tinkle of bells testing circuit 4, the artificial start and stop record button of another input termination K of power control circuit 8, output E, the F point of two input termination wireless communication terminating machine 1 buzzers of the tinkle of bells testing circuit 4.The power end V of two output termination tape recorders 10 of power control circuit 8 I6, V I7Another output V of power control circuit 8 03Connect the input of clock sound circuit 9.Send words level control circuit 2 identical with the circuit structure of being talked about level control circuit 3.They all are made up of amplifying circuit 11, full-wave rectifying circuit 12, Gain Automatic control circuit 13.Amplifying circuit 11 is by operational amplifier IC 1, five resistance R 1-R 5Form R 1With R 2Be connected in series R 1With R 2Tie point meet IC 1In-phase input end, R 2Other end ground connection, R 1Another termination radio communication terminal 1 send words or the output V that talked about i, R 3Be connected in parallel on IC 1Inverting input and its output between, IC 1Inverting input meet R 4An end, IC 1Output termination R 5An end, IC 1The output termination mix and the input V of audio amplifier circuit 6.Full-wave rectifying circuit 12 is by operational amplifier IC 2, eight resistance R 6-R 13, diode D 1, D 2, capacitor C 1, voltage-stabiliser tube D 13Form D 1Positive pole meet IC 2Inverting input, D 1Negative pole meet IC 2Output, R 9Be connected on IC 2In-phase input end and ground between, D 2Positive pole meet IC 2Output, D 2Negative pole meet R 6An end, R 6Another termination IC 2Inverting input, IC 2Inverting input meet R 5The other end, R 7With R 8Be connected in parallel R 7With R 8A termination D in parallel 2Negative pole, R 7With R 8Another termination R in parallel 10With C 1Tie point, C 1Other end ground connection, R 10Another termination R 11, R 13An end, R 13Other end ground connection, R 11Another termination R 12An end and D 13Positive pole, D 13Minus earth, R 12Another termination-E CGain Automatic control circuit 13 is by operational amplifier IC 3, four resistance R 14-R 17, capacitor C 2, diode D 3, fet T 1Form R 14A termination V 0, R 14Another termination R 7With R 8The other end and R in parallel 15An end, R 15Another termination C 2An end and IC 3Inverting input, C 2Another termination IC 3Output, R 16Be connected on IC 3In-phase input end and ground between.IC 3Output termination D 3Negative pole, D 3Positive pole meet R 17An end and T 1Grid, R 17Another termination T 1Source electrode and ground, T 1Drain electrode meet R 4The other end.Mixing and audio amplifier circuit 6 are by four resistance R 19-R 22, three capacitor C 3-C 5, potentiometer W 1, operational amplifier IC 4Form.R 19A termination send words level control circuit 2 output V 01, R 20A termination talked about the output V of level control circuit 3 02, R 21The output V of a termination clock sound circuit 9 04, R 19, R 20, R 21The other end all meet IC 4Inverting input, IC 4In-phase input end ground connection.W 1With R 22Series circuit and C 3Be connected in parallel, this parallel circuits is connected IC 4Inverting input and its output between, IC 4Output termination C 4An end, C 4The recording input V of another termination tape recorder 10 I1, C 5The recording input V of a termination tape recorder 10 I2, C 5Other end ground connection.The tinkle of bells testing circuit 4 is by resistance R 23, R 24, R 25, capacitor C 6, diode D 4, optocoupler amplifier IC 5Form C 6The output E of buzzer of a termination radio communication terminal 1, C 6Another termination R 23An end, R 23Another termination D 4Negative pole and R 24An end, R 24Another termination IC 5Middle diode D 5Positive pole, D 5Negative pole and D 4Positive pole meet another output F of radio communication terminal 1 buzzer, R 25One termination+E C, R 25Another termination IC 5Middle triode T 2Collector electrode, T 2Grounded emitter, T 2Collector electrode meet an input V of power control circuit 8 I5 Speech testing circuit 7 is by capacitor C 7, resistance R 26, R 27, operational amplifier IC 6, inverse gate IC 7Form.C 7A termination mix and the output V of audio amplifier circuit 6 I1, C 7Another termination R 26An end, R 26Another termination IC 6Inverting input, R 27Be connected on IC 6Inverting input and its output between, IC 6In-phase input end ground connection.IC 6Output termination IC 7Input, IC 7Another input V of output termination power control circuit 8 I4 Power control circuit 8 is by single-chip microcomputer IC 8, capacitor C 8, C 9, C 10, resistance R 28, R 29, crystal oscillator JT, key switch K, inverse gate IC 9, diode D 6, relay J 1, J 1Normal opened contact by J 11, J 12Form.C 10One termination+E C, C 10Another termination R 28An end and IC 8RESET end, R 28Other end ground connection.C 8With C 9Series circuit and JT be connected in parallel, the two ends of this parallel circuits meet IC respectively 8X 1, X 2End, C 8With C 9Tie point ground connection.R 29One termination+E C, R 29An end and the IC of another termination K 8P 1.0End, the other end ground connection of K.The output V of the tinkle of bells testing circuit 4 I5Meet IC 8P 1.1End, the output V of speech testing circuit 7 I4Meet IC 8P 1.2End.IC 8P 1.3The input V of termination clock sound circuit 9 03, IC 9Input termination IC 8P 1.7End, IC 8Output termination D 6Positive pole and J 1An end, D 6Negative pole and J 1Another termination+E C, J 11Fixed juncture meet the power input V of tape recorder 10 I6, J 11Movable contact meet 220V AC power one end, J 12Fixed juncture meet the power input V of tape recorder 10 I7, J 12Movable contact connect the other end of 220V AC power.Clock sound circuit 9 is made up of voice generation output circuit 16, keyboard and display circuit 14, control storage circuit 15.Keyboard and display circuit 14 are made up of keyboard 17, eight hop count sign indicating number displays 18, and keyboard 17 is by four resistance R 30-R 33, ten six press keys K switch 1-K 16Form, eight hop count sign indicating number displays are by eight resistance R 34-R 41, four eight sections charactrons, four inverse gate IC 10-IC 13Form.Control storage circuit 15 is by memory IC 14, latch IC 15, single-chip microcomputer IC 16, the programmable I/O controller IC 17, driver IC 18, IC 20Form.IC 17PA 0-PA 3Hold in four vertical output lines that connect keyboard 17 respectively, IC 17PC 0-PC 3Hold in four horizontal output lines that connect keyboard 17 respectively, IC 17PB 0-PB 7End meets IC respectively 18, IC 201,3,5,13,11,9,1,3 pin of input, IC 18, IC 20Output 2,4,6,12,10,8,2,4 pin connect the output of eight sections charactrons respectively.IC 17RD termination IC 16RD end, IC 17EA termination IC 16WR end, IC 17D 0-D 7End meets IC respectively 16P 0.0-P 0.7End and IC 15, and IC 14D 0-D 7End.IC 17ALE termination IC 16ALE end and IC 14G end, IC 17IO termination IC 16P 2.0End and IC 14A 8End, IC 17CE termination IC 16P 2.1End and IC 14A 9End.IC 14A 10Termination IC 16P 2.2End, IC 14A 0-A 7End meets IC respectively 15A 0-A 7End, IC 14OE termination IC 16PSEN end, IC 16P 1.1The output V of termination power control circuit 8 03Voice produce output circuit 16 by language chip IC 19, filter circuit 19 forms.IC 19CE termination IC 16P 1.0End, IC 19The RD end of RD termination IC16, IC 19D 0, D 1, D 2, D 3, START, STOP, BIT 1, BIT 2End meets IC respectively 17D 0-D 7End, IC 19M 1, M 2, VDO, CPUN, 256K, V DDTermination+E C, IC 19CAS 1-CAS 4End is respectively through diode D 7-D 10, resistance R 42Connect+E C, IC 19RST end through capacitor C 15Ground connection, IC 19VSS 1, VSS 2, X 2, MICIN holds ground connection, IC 19C 3, C 4End is respectively through capacitor C 17, C 16Ground connection, IC 19DAC end through resistance R 46, capacitor C 18Ground connection, IC 19IN end through C 18Ground connection.Filter circuit 19 is by three resistance R 43-R 45, four capacitor C 11-C 14Form.IC 19The input of OUT termination filter circuit 19, the output V of filter circuit 19 04Connect the input of mixing and audio amplifier circuit 6.
The present invention is mainly used in places such as oil field away from the city, forest, shipping, engine driver, be used to write down various command and the documentary whip that the higher level assigns, it can exempt the big fund input of setting up the telephone line, and especially it has solved some and has moved the difficult problem that telephone can not be set up in the place.It can with the conversation of receiving-transmitting sides all record down, and record has air time, this recording to transcribe, and can long preservation, once receiving-transmitting sides is when with regard to content of announcement dispute taking place, this recording can provide evaluation as vaild evidence.Radio communication terminals such as its available handsets, intercom.It also has the advantage that cost is low, easy to use, can record automatically and manually control.But also can use in place away from wireless website.
Fig. 1 is an overall structure block diagram of the present invention, Fig. 2 is the electrical block diagram that send words level control circuit 2 and talked about level control circuit 3, Fig. 3 is the electrical block diagram of mixing and audio amplifier circuit 6, Fig. 4 is the electrical block diagram of the tinkle of bells testing circuit 4, Fig. 5 is the electrical block diagram of speech testing circuit 7, Fig. 6 is the electrical block diagram of power control circuit 8, and Fig. 7 is the electrical block diagram of clock language circuit 9.
Embodiment one: present embodiment by radio communication terminal 1, send words level control circuit 2, talked about level control circuit 3, the tinkle of bells testing circuit 4, mixing and audio amplifier circuit 6, speech testing circuit 7, power control circuit 8, clock sound circuit 9, tape recorder 10 form, send the sending of two input termination radio communication terminals 1 of words level control circuit 2 to talk about output terminals A, B point, that is talked about two of level control circuit 3 input termination radio communication terminals 1 is talked about output C, D point, send the output V of words level control circuit 2 01Connect an input of mixing and audio amplifier circuit 6, talked about the output V of level control circuit 3 02Connect another input of mixing and audio amplifier circuit 6, the output V of clock sound circuit 9 04Connect another input of mixing and audio amplifier circuit 6.Two recording input V of two output termination tape recorders 10 of mixing and audio amplifier circuit 6 I1, V I2, mix and also answer the simultaneously input of tone detection circuit 7 of the output of audio amplifier circuit 6 the input V of the output termination power control circuit 8 of speech testing circuit 7 I4Another input Vi5 of power control circuit 8 connects the output of the tinkle of bells testing circuit 4, the artificial start and stop record button of another input termination K of power control circuit 8, output E, the F point of two input termination radio communication terminal 1 buzzers of the tinkle of bells testing circuit 4.The power end V of two output termination tape recorders 10 of power control circuit 8 I6, V I7Another output V of power control circuit 8 03Connect the input of clock sound circuit 9.Send words level control circuit 2 identical with the circuit structure of being talked about level control circuit 3.They all are made up of amplifying circuit 11, full-wave rectifying circuit 12, Gain Automatic control circuit 13.Amplifying circuit 11 is by operational amplifier IC 1, five resistance R 1-R 5Form R 1With R 2Be connected in series R 1With R 2Tie point meet IC 1In-phase input end 2 pin, R 2Other end ground connection, R 1Another termination radio communication terminal 1 send words or the output V that talked about i, R 3Be connected in parallel on IC 1Inverting input 1 pin and its output 3 pin between, IC 1Inverting input meet R 4An end, IC 1Output termination R 5An end, IC 1Output V 0Connect the input of mixing and audio amplifier circuit 6.Full-wave rectifying circuit 13 is by operational amplifier IC 2, eight resistance R 6-R 13, diode D 1, D 2, capacitor C 1, voltage-stabiliser tube D 13Form D 1Positive pole meet IC 2Inverting input 4 pin, D 1Negative pole meet IC 2Output 6 pin, R 9Be connected on IC 2In-phase input end 5 pin and ground between, D 2Positive pole meet IC 2Output, D 2Negative pole meet R 6An end, R 6Another termination IC 2Inverting input, IC 2Inverting input meet R 5The other end, R 7With R 8Be connected in parallel R 7With R 8A termination D in parallel 2Negative pole, R 7With R 8Another termination R in parallel 10With C 1Tie point, C 1Other end ground connection, R 10Another termination R 11, R 13An end, R 13Other end ground connection, R 11Another termination R 12An end and D 13Positive pole, D 13Minus earth, R 12Another termination-E CGain Automatic control circuit 13 is by operational amplifier IC 3, four resistance R 14-R 17, diode D 3, capacitor C 2, fet T 1Form R 14A termination V 0, R 14Another termination R 7With R 8The other end and R in parallel 15An end, R 15Another termination C 2An end and IC 3Inverting input 7 pin, C 2Another termination IC 2Output 9 pin, R 16Be connected on IC 3In-phase input end 8 pin and ground between.IC 3Output termination D 3Negative pole, D 3Positive pole meet R 17An end and T 1Grid, R 17Another termination T 1Source electrode and ground, T 1Drain electrode meet R 4The other end.IC 1, IC 2, IC 3Select the LM324 model for use.Mixing and audio amplifier circuit 6 are by four resistance R 19-R 22, three capacitor C 3-C 5, potentiometer W 1, operational amplifier IC 4Form.R 19A termination send words level control circuit 2 output V 01, R 20A termination talked about the output V of level control circuit 3 02, R 21The output V of a termination clock sound circuit 9 04, R 19, R 20, R 21The other end all meet IC 4Inverting input 1 pin, IC 4In-phase input end 2 pin ground connection.W 1With R 22Series circuit and C 3Be connected in parallel, this parallel circuits is connected IC 4Inverting input and its output 3 pin between, IC 4Output termination C 4An end, C 4The recording input V of another termination tape recorder 10 I1, C 5The recording input V of a termination tape recorder 10 I2, C 5Other end ground connection.IC 4Select the LM324 model for use.The tinkle of bells testing circuit 4 is by resistance R 23, R 24, R 25, capacitor C 6, diode D 4, optocoupler amplifier IC 5Form C 6An output E point of a termination radio communication terminal 1 buzzer, C 6Another termination R 23An end, R 23Another termination D 4Negative pole and R 24An end, R 24Another termination IC 5Middle diode D 5Positive pole, D 5Negative pole and D 4Positive pole connect another output F point of radio communication terminal 1 buzzer, R 25One termination+E C, R 25Another termination IC 5Middle triode T 2Collector electrode, T 2Grounded emitter, T 2Collector electrode meet an input V of power control circuit 8 I7IC 7Select the TIL117 model for use.Speech testing circuit 7 is by capacitor C 7, resistance R 26, R 27, operational amplifier IC 6, inverse gate IC 7Form.C 7A termination mix and the output V of audio amplifier circuit 6 I1, C 7Another termination R 26An end, R 26Another termination IC 6Inverting input 1 pin, R 27Be connected on IC 6Inverting input 1 pin and its output 3 pin between, IC 6In-phase input end 2 pin ground connection.IC 6Output termination IC 7Input, IC 7Another input V of output termination power control circuit 8 I4IC 6Select the LM324 model for use, IC 7Select 7414 models for use.Power control circuit 8 is by single-chip microcomputer IC 8, capacitor C 8, C 9, C 10, resistance R 28, R 29, crystal oscillator JT, key switch K, inverse gate IC 9, diode D 6, relay J 1, J 1Normal opened contact by J 11, J 12Form.C 10One termination+E C, C 10Another termination R 28An end and IC 81 pin of RESET end, R 28Other end ground connection.C 8With C 9Series circuit and JT be connected in parallel, the two ends of this parallel circuits meet IC respectively 8X 1, X 24,5 pin of end, C 8With C 9Tie point ground connection.R 29One termination+E C, R 29An end and the IC of another termination K 8P 1.018 pin of end, the other end ground connection of K.The output V of the tinkle of bells testing circuit 4 I5Meet IC 8P 1.117 pin of end, the output termination V of speech testing circuit 7 I4Meet IC 8P 1.216 pin of end, IC 8P 1.3Hold 15 pin to meet the input V of clock sound circuit 9 03, IC 9Input termination IC 8P 1.711 pin of end, IC 8Output termination D 6Positive pole and J 1An end, D 6Negative pole and J 1Another termination+E C, J 11Fixed juncture meet the power input V of tape recorder 10 I6, J 11Movable contact meet 220V AC power one end, J 12Fixed juncture meet the power input V of tape recorder 10 I7, J 12Movable contact connect the other end of 220V AC power.IC8 selects the 89C205 model for use, and IC9 selects 7405 models for use.Clock sound circuit 9 is made up of voice generation output circuit 16, keyboard and display circuit 14, control storage circuit 15.Keyboard and display circuit 14 are made up of keyboard 17, eight hop count sign indicating number displays 18, and keyboard 17 is by four resistance R 30-R 33, ten six press keys K switch 1-K 16Form, eight hop count sign indicating number displays are by eight resistance R 34-R 41, four eight sections charactrons, four inverse gate IC 10-IC 13Form.Control storage circuit 15 is by memory IC 14, latch IC 15, single-chip microcomputer IC 16, the programmable I/O controller IC 17, driver IC 18, IC 20Form.IC 15Select 2716 models for use, IC 15Select 74373 models for use, IC 16Select 8031 models for use, IC 17Select 8155 models for use, IC 18, IC 20Select 7407 models for use.IC 17PA 0-PA 3Hold in four vertical output lines that connect keyboard 17 respectively, IC 17PC 0-PC 3Hold in four horizontal output lines that connect keyboard 17 respectively, IC 17PB 0-PB 7End meets IC respectively 18, IC 201,3,5,13,11,9,1,3 pin of output, IC 18, IC 202,4,6,12,10,8,2,4 pin of input connect the output of eight sections charactrons respectively.IC 17RD termination IC 16RD end, IC 17EA termination IC 16WR, IC 17D 0-D 7End meets IC respectively 16P 0.0-P 0.7End and IC 15And IC 14D 0-D 7End.IC 17ALE termination IC 16ALE end and IC 14G end, IC 17IO termination IC 16P 2.0End and IC 14A 8End, IC 17CE termination IC 16P 2.1End and IC 14A 9End.IC 14A 10Termination IC 16P 2.2End, IC 14A 0-A 7End meets IC respectively 15A 0-A 7End, IC 14OE termination IC 16PSEN end, IC 16P 1.1The output V of termination power control circuit 8 03End.Voice produce output circuit 16 by language chip IC 19, filter circuit 19 forms.IC 19Select the T6668 model for use.IC 19CE termination IC 16P 1.0End, IC 19RD termination IC 16RD end, IC 19D 0, D 1, D 2, D 3, START, STOP, BIT 1, BIT 2End meets IC respectively 17D 0-D 7End, IC 19M1, M 2, VDO, CPUN, 256K, V DDTermination+E C, IC 19CAS 1-CAS 4End is respectively through diode D 7-D 10, resistance R 42Connect+E C, IC 19RST end through capacitor C 15Ground connection, IC 19VSS 1, VSS 2, X 2, MICIN holds ground connection, IC 19C 3, C 4End is respectively through capacitor C 17, C 16Ground connection, IC 19The DAC pin through resistance R 46, capacitor C 18Ground connection, IC 19IN end through C 18Ground connection.Filter circuit 19 is by three resistance R 43-R 45, four capacitor C 11-C 14Form.IC 19The input of OUT termination filter circuit 19, the output termination of filter circuit 19 is mixed and the input V of audio amplifier circuit 6 I4
Embodiment two: the difference of present embodiment and embodiment one is also can receive wireless signal for the place away from wireless website, make the outdoor tall and big antenna 20 that sets up of land used in the technical program, antenna 20 is connected with signal input output end G, the H point of wireless communication terminal 1 by lead.Other composition is identical with embodiment one with annexation.

Claims (8)

1, automatic sound recorder for radio comm terminal, it includes radio communication terminal (1), send words level control circuit (2), talked about level control circuit (3), the tinkle of bells testing circuit (4), mix and audio amplifier circuit (6), speech testing circuit (7), power control circuit (8), clock sound circuit (9), tape recorder (10), it is characterized in that sending words level control circuits (2) two input termination radio communication terminals (1) send the words output terminals A, the B point, that is talked about two of level control circuit (3) input termination radio communication terminals (1) is talked about output C, the D point send the output V that talks about level control circuits (2) 01Connect an input of mixing and audio amplifier circuit (6), talked about the output V of level control circuit (3) 02Connect another input of mixing and audio amplifier circuit (6), the output V of clock sound circuit (9) 04Connect another input of mixing and audio amplifier circuit (6); The recording input V of the output termination tape recorder (10) of mixing and audio amplifier circuit (6) I1, V I2, mix and also answer the simultaneously input of tone detection circuit (7) of the output of audio amplifier circuit (6) an input V of the output termination power control circuit (8) of speech testing circuit (7) I4, another input V of power control circuit (8) I5Connect the output of the tinkle of bells testing circuit (4), the artificial start and stop record button of another input termination K of power control circuit (8), output E, the F point of two input termination wireless communication terminating machine (1) buzzers of the tinkle of bells testing circuit (4); The power end V of two output termination tape recorders (10) of power control circuit (8) I6, V I7Another output V of power control circuit (8) O3Connect the input of clock sound circuit (9).
2, automatic sound recorder for radio comm terminal according to claim 1, it is characterized in that sending words level control circuits (2) identical with the circuit structure of being talked about level control circuit (3), they all are made up of amplifying circuit (11), full-wave rectifying circuit (12), Gain Automatic control circuit (13); Amplifying circuit (11) is by operational amplifier IC 1, five resistance R 1-R 5Form R 1With R 2Be connected in series R 1With R 2Tie point meet IC 1In-phase input end, R 2Other end ground connection, R 1Another termination radio communication terminal (1) send words or the output V that talked about i, R 3Be connected in parallel on IC 1Inverting input and its output between, IC 1Inverting input meet R 4An end, IC 1Output termination R 5An end, IC 1The output termination mix and the input V of audio amplifier circuit (6) 0, full-wave rectifying circuit (12) is by operational amplifier IC 2, eight resistance R 6-R 13, diode D 1, D 2, capacitor C 1, voltage-stabiliser tube D 13Form D 1Positive pole meet IC 2Inverting input, D 1Negative pole meet IC 2Output, R 9Be connected on IC 2In-phase input end and ground between, D 2Positive pole meet IC 2Output, D 2Negative pole meet R 6An end, R 6Another termination IC 2Inverting input, IC 2Inverting input meet R 5The other end, R 7With R 8Be connected in parallel R 7With R 8A termination D in parallel 2Negative pole, R 7With R 8Another termination R in parallel 10With C 1Tie point, C 1Other end ground connection, R 10Another termination R 11, R 13An end, R 13Other end ground connection, R 11Another termination R 12An end and D 13Positive pole, D 13Minus earth, R 12Another termination-E C, Gain Automatic control circuit (13) is by operational amplifier IC 3, four resistance R 14-R 17, capacitor C 2, diode D 4, fet T 1Form R 14A termination V 0, R 14Another termination R 7With R 8The other end and R in parallel 15An end, R 15Another termination C 2An end and IC 3Inverting input, C 2Another termination IC 3Output, R 16Be connected on IC 3In-phase input end and ground between; IC 3Output termination D 3Negative pole, D 3Positive pole meet R 17An end and T 1Grid, R 17Another termination T 1Source electrode and ground, T 1Drain electrode meet R 4The other end.
3, automatic sound recorder for radio comm terminal according to claim 1 is characterized in that mixing and audio amplifier circuit (6) are by four resistance R 19-R 22, three capacitor C 3-C 5, potentiometer W 1, operational amplifier IC 4Form; R 19A termination send words level control circuits (2) output V 01, R 20A termination talked about the output V of level control circuit (3) 02, R 21The output V of a termination clock sound circuit (9) 04, R 19, R 20, R 21The other end all meet IC 4Inverting input, IC 4In-phase input end ground connection; W 1With R 22Series circuit and C 3Be connected in parallel, this parallel circuits is connected IC 4Inverting input and its output between, IC 4Output termination C 4An end, C 4The recording input V of another termination tape recorder (10) I1, C 5The recording input V of a termination tape recorder (10) I2, C 5Other end ground connection.
4, automatic sound recorder for radio comm terminal according to claim 1 is characterized in that the tinkle of bells testing circuit (4) is by resistance R 23, R 24, R 25, capacitor C 6, diode D 4, optocoupler amplifier IC 5Form C 6The output E point of buzzer of a termination radio communication terminal (1), C 6Another termination R 23An end, R 23Another termination D 4Negative pole and R 24An end, R 24Another termination IC 5Middle diode D 5Positive pole, D 5Negative pole and D 4Positive pole connect another output F point of radio communication terminal (1) buzzer, R 25One termination+E C, R 25Another termination IC 5Middle triode T 2Collector electrode, T 2Grounded emitter, T 2Collector electrode meet an input V of power control circuit (8) I5
5, automatic sound recorder for radio comm terminal according to claim 1 is characterized in that speech testing circuit (7) is by capacitor C 7, resistance R 26, R 27, operational amplifier IC 6, inverse gate IC 7Form C 7A termination mix and the output V of audio amplifier circuit (6) I1, C 7Another termination R 26An end, R 26Another termination I C6Inverting input, R 27Be connected on IC 6Inverting input and its output between, IC 6In-phase input end ground connection; IC 6Output termination IC 7Input, IC 7Another input V of output termination power control circuit (8) I4Power control circuit (8) is by single-chip microcomputer IC 8, capacitor C 8, C 9, C 10, resistance R 28, R 29, crystal oscillator JT, key switch K, inverse gate IC 9, diode D 6, relay J 1, J 1Normal opened contact by J 11, J 12Form; C 10One termination+E C, C 10Another termination R 28An end and IC 8RESET end, R 28Other end ground connection; C 8With C 9Series circuit and JT be connected in parallel, the two ends of this parallel circuits meet IC respectively 8X 1, X 2End, C 8With C 9Tie point ground connection; R 29One termination+E C, R 29An end and the IC of another termination K 8P 1.0End, the other end ground connection of K.
6, automatic sound recorder for radio comm terminal according to claim 1 is characterized in that the output V of the tinkle of bells testing circuit (4) 15Meet IC 8P 1.1End, the output V of speech testing circuit (7) I4Meet IC 8P 1.2End, IC 8P 1.3The input V of termination clock sound circuit (9) 03, IC 9Input termination IC 8P 1.7End, IC 8Output termination D 6Positive pole and J 1An end, D 6Negative pole and another termination+E of J1 C, J 11Fixed juncture meet the power input V of tape recorder (10) I6, J 11Movable contact meet 220V AC power one end, J 12Fixed juncture meet the power input V of tape recorder (10) I7, J 12Movable contact connect the other end of 220V AC power.
7, automatic sound recorder for radio comm terminal according to claim 1, it is characterized in that clock sound circuit (9) by voice produce output circuit (16), keyboard and display circuit (14), control storage circuit (15) is formed; Control storage circuit (15) is by memory IC 14, latch IC 15, single-chip microcomputer IC 16, the programmable I/O controller IC 17, driver IC 18, IC 20Form IC 17PA 0-PA 3Hold in four vertical output lines that connect keyboard (17) respectively, IC 17PC 0-PC 3Hold in four horizontal output lines that connect keyboard (17) respectively, IC 17PB 0-PB 7End meets IC respectively 18, IC 201,3,5,13,11,9,1,3 pin of input, IC 18, IC 20Output 2,4,6,12,10,8,2,4 pin connect the output of eight sections charactrons respectively; IC 17RD termination IC 16RD end, IC 17EA termination IC 16WR end, IC 17D 0-D 7End meets IC respectively 16P 0.0-P 0.7End and IC 15, and IC 14D 0-D 7End, IC 17ALE end and the IC of ALE termination IC16 14G end, IC 17IO termination IC 16P 2.0End and IC 14A 8End, IC 17CE termination IC 16P 2.1End and IC 14A 9End, IC 14A 10Termination IC 16P 2.2End, IC 14A 0-A 7End meets IC respectively 15A 0-A 7End, IC 14OE termination IC 16PSEN end, IC 16P 1.1The output V of termination power control circuit (8) 03, voice produce output circuit (16) by language chip IC 19, filter circuit (19) forms IC 19CE termination IC 16P 1.0End, IC 19RD termination IC 16RD end, IC 19D 0, D 1, D 2, D 3, START, STOP, BIT 1, BIT 2End meets IC respectively 17D 0-D 7End, IC 19M 1, M 2, VDO, CPUN, 256K, V DDTermination+E C, IC 19CAS 1-CAS 4End is respectively through diode D 7-D 10, resistance R 42Connect+E C, IC 19RST end through capacitor C 15Ground connection, IC 19VSS 1, VSS 2, X 2, MICIN holds ground connection, IC 19C 3, C 4End is respectively through capacitor C 17, C 16Ground connection, IC 19DAC end through resistance R 40, capacitor C 18Ground connection, IC 19IN end through C 18Ground connection; IC 19The input of OUT termination filter circuit (19), the output V of filter circuit (19) 04Connect the input of mixing and audio amplifier circuit (6).
8, automatic sound recorder for radio comm terminal according to claim 1 is characterized in that at the outdoor tall and big antenna (20) that sets up, antenna (20) is connected with signal input output end G, the H point of wireless communication terminal (1) by lead.
CN 00132181 2000-12-20 2000-12-20 Automatic sound recorder for radio comm terminal Pending CN1308450A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN 00132181 CN1308450A (en) 2000-12-20 2000-12-20 Automatic sound recorder for radio comm terminal

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100499686C (en) * 2004-12-10 2009-06-10 乐金电子(中国)研究开发中心有限公司 Automatic answering method of mobile communication terminal using multimedia message

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100499686C (en) * 2004-12-10 2009-06-10 乐金电子(中国)研究开发中心有限公司 Automatic answering method of mobile communication terminal using multimedia message

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