CN2606503Y - Telephone recorder - Google Patents
Telephone recorder Download PDFInfo
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- CN2606503Y CN2606503Y CN 03228221 CN03228221U CN2606503Y CN 2606503 Y CN2606503 Y CN 2606503Y CN 03228221 CN03228221 CN 03228221 CN 03228221 U CN03228221 U CN 03228221U CN 2606503 Y CN2606503 Y CN 2606503Y
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- bridge rectifier
- diode bridge
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Abstract
The utility model discloses a telephone recorder and is characterized in that an input terminal of a filter rectification circuit and an input terminal of a switch circuit are respectively connected with an output terminal of a polarity transformation circuit, wherein the controlling terminal of the switch circuit and the output terminal of a depression voltage circuit are respectively connected with the output terminal of the filter rectification circuit, an input terminal of a load circuit and the input terminal of the depression voltage circuit are respectively connected with the output terminal of the switch circuit, the output terminal of the load circuit, another output terminal of the filter rectification circuit and the output terminal of the polarity transformation circuit are connected with the ground. The utility model does not require a voice chip or a recorder, and greatly prolongs the recording time. The utility model is connected with the input and the output of the sound card of the computer when used; the telephone voice information can be changed into voice document of computer by the sound card of the computer, stored on the disc of the computer, and played via the loudspeaker of the computer. As the disc of prior computer can reach more than 10G, the recording time can reach hundreds of hours. The utility model adopting common electronic components is of simple structure and low production cost.
Description
Technical field:
The utility model belongs to the technical field of sound pick-up outfit, particularly relates to a kind of automatic call recording device that utilizes computer disk to note down information.
Background technology:
At present general telecord adopts the dedicated voice chip or records by recorder realizes recording function of telephone.And the tape recording time of speech chip memory capacity and recorder is quite limited, and circuit block is many, the manufacturing cost and use cost height.
Summary of the invention:
The purpose of this utility model is to provide a kind of telecord, and it is connected with input, the output of the sound card of computer, can overcome the some shortcomings of prior art.
To achieve these goals, the technical solution of the utility model is: a kind of telecord, it mainly comprises circuit board and the related circuit that is contained on the circuit board, it is characterized in that: an output of polarity transformation circuits respectively with the input of filter rectifier, the input of switching circuit connects, filter rectifier output respectively with the control end of switching circuit, the output of reduction voltage circuit connects, the output of switching circuit respectively with an input of load circuit, the input of reduction voltage circuit connects, an output of load circuit, another output of filter rectifier and another output of polarity transformation circuits ground connection that links to each other.
The utility model does not need speech chip and recorder, and the time of recording can prolong greatly, it is connected with input, the output of the sound card of computer during use, call voice information is converted to the computerized speech file by computer sound card, be stored on the computer disk, the loudspeaker by computer play back again.Because present computer disk reaches more than the 10G, the time of recording can reach hundreds of hours.The utility model adopts electronic devices and components commonly used, and simple in structure, manufacturing cost is lower.
Description of drawings:
Fig. 1 is a circuit block diagram of the present utility model
Fig. 2 is the circuit diagram of the utility model one embodiment
Embodiment:
The utility model will be further described below in conjunction with drawings and Examples.
The utility model mainly comprises circuit board and the related circuit that is contained on the circuit board, it is characterized in that: an output of polarity transformation circuits 1 respectively with the input of filter rectifier 1, the input of switching circuit connects, the output of filter rectifier 2 respectively with the control end of switching circuit 4, the output of reduction voltage circuit 3 connects, the output of switching circuit 4 respectively with an input of load circuit 5, the input of reduction voltage circuit connects, one output of load circuit 5, another output of filter rectifier 2 ground connection that links to each other with another output of polarity transformation circuits 1, switching circuit described in the utility model has control end and input/output terminal, when the voltage of control end or electric current surpass threshold value, be low resistive state between the input/output terminal; When the voltage of control end or electric current are lower than threshold value, be high-impedance state between the input/output terminal.Telephone wire is connected to load through switching circuit, and the input A of computer sound card, output B connect on the telephone line 6 by load.When phone is squeezed into, telephone ring signal becomes the control end that direct current signal is added to switching circuit through behind the filter rectifier, be low resistive state between the input/output terminal, load makes telephone line be in the off-hook talking state, voltage process reduction voltage circuit in the load feeds back to the control end of switching circuit 4, keeps the state of switching circuit.Computer software detects voltage jump in the load by sound card input, and the play cuing voice begin recording then.After the other side's on-hook, voltage in the load descends, make voltage or electric current on the control end of switching circuit 4 be lower than threshold value, be high-impedance state between the input/output terminal, telephone line is got back to hook state, computer software detects the voltage jump in the load, stops recording and gets back to detected state, and generate a file; Circuit board is contained in the housing in the enforcement, and the input of polarity transformation circuits 1 is connected with telephone wire, and another input of load circuit 5 is connected with the output of sound card, and another output of load circuit 5 is connected with the input A of sound card; In the present embodiment, switching circuit 4 contains a relay, the Chang Kaiduan of the switch of relay is as the output of switching circuit, the input of the switch of relay is as the input of switching circuit, the two ends of relay line coil are as control end, reduction voltage circuit 3 contains a voltage stabilizing didoe, its positive pole is as output, negative pole is as input, polarity transformation circuits contains a diode bridge rectifier circuit, input is received two telephone wires, its cathode output end ground connection, the input of the positive pole output of this diode bridge rectifier circuit and the switch of relay R ELAY links to each other, and be connected to an input of second diode bridge rectifier circuit via a capacitor C 1, another input end grounding of second diode bridge rectifier circuit, second diode bridge rectifier circuit just, negative output terminal is connected respectively to the two ends of the coil of relay R ELAY, the negative pole of the Chang Kaiduan of the switch of relay R ELAY and voltage stabilizing didoe D9 is connected with load, and the positive pole of this voltage stabilizing didoe is connected to the cathode output end of second diode bridge rectifier circuit; Polarity transformation circuits and filter rectifier all contain a diode bridge rectifier circuit in brief, two diode bridge rectifier circuits link to each other by an electric capacity, telephone wire is received in first diode bridge rectifier circuit input, second diode bridge rectifier circuit output is received on the coil of relay, switch and voltage stabilizing didoe by relay between two diode bridge rectifier circuits are exported are linked in sequence, and this circuit is connected with computer sound card by electric capacity.
The utility model adopts two telephone lines to first order diode bridge rectifier circuit, first order bridge rectifier cathode output end ground connection, cathode output end is received an input of second level diode bridge rectifier circuit by electric capacity, another input end grounding of second level diode bridge rectifier circuit, two outputs of second level diode bridge rectifier circuit are received the coil two ends of a relay respectively.The input of one group of switch of described relay is connected to the anodal output of first order diode bridge rectifier circuit, the Chang Kaiduan of described switch is connected to the negative pole of a voltage stabilizing didoe and the emitter of a positive-negative-positive transistor, the reverse-conducting voltage of described voltage stabilizing didoe be lower than telephone line when talking state voltage and a little more than telephone line from talking state to the other side's on-hook after the output voltage of first order diode bridge rectifier circuit after 2 minutes, its positive pole is connected to the cathode output end of second level diode bridge rectifier circuit, the base stage of described positive-negative-positive transistor and collector electrode are respectively by a grounding through resistance, the loud speaker output of sound card is connected to the emitter of described positive-negative-positive transistor by an electric capacity, and the microphone input of sound card is connected to the collector electrode of described positive-negative-positive transistor by an electric capacity.
Its operation principle is: when phone was squeezed into, telephone ring signal was capacitively coupled to second level bridge rectifier, the adhesive of second level bridge rectifier output direct current signal trigger relay.On the one hand, after the relay adhesive, the switch of relay is incorporated into Chang Kaiduan, and the level of the anodal output of first order diode bridge rectifier circuit makes the voltage stabilizing didoe reverse-conducting of connection, makes relay continue to keep attracting state after telephone ring signal disappears; On the other hand, the coil of transistor and relay makes telephone line be in the off-hook talking state as load.Be incorporated into the moment of Chang Kaiduan at the switch of relay, level changes the microphone input that is capacitively coupled to computer sound card on the transistor collector electrode, at this moment computer software detects a pulse signal, corresponding computer software enters recording state from detected state, beginning play cuing voice, suggestion voice is capacitively coupled to first order diode bridge rectifier circuit at the loud speaker output of sound card by one, delivers on the telephone line, plays that computer software begins recording behind the suggestion voice.After the other side's on-hook, at this moment computer software detects on-hook signal, stops recording and gets back to detected state, and generate a file.After 2 minutes, the voltage on the telephone line descends the voltage stabilizing didoe of reverse connection is ended, and relay resets, and telephone line is got back to hook state.This automatic call recording device has phone ringing detection, automatic off-hook, automatic hand-up function, in Fig. 2, diode D1, diode D2, diode D3, diode D4 form first order diode bridge rectifier circuit, and diode D5, diode D6, diode D7, diode D8 form second level diode bridge rectifier circuit.In two telephone wires one links to each other with the negative pole of diode D1 and the positive pole of diode D3, and another root links to each other with the negative pole of diode D2 and the positive pole of diode D4.The positive pole of the diode D1 ground connection that links to each other with the positive pole of diode D2, the negative pole of the negative pole of diode D3 and diode D4 is connected to the input of the switch of capacitor C 1 one ends and relay R ELAY, the other end of capacitor C 1 is connected to the positive pole of diode D5 and the negative pole of diode D6, the positive pole of the diode D7 ground connection that links to each other with diode D8 negative pole.The negative pole of the negative pole of diode D5 and diode D7 is connected in an end of the coil of relay R ELAY and the positive pole of 9 volts of voltage stabilizing didoe D9, and the positive pole of the positive pole of diode D6, diode D8 is connected with the other end of the coil of relay R ELAY.The Chang Kaiduan of the emitter of the negative pole of voltage stabilizing didoe D9, positive-negative-positive transistor Q9015, capacitor C 2 one ends and the switch of relay R ELAY is connected, capacitor C 2 other ends link to each other with computer sound card loud speaker output, the base stage of positive-negative-positive transistor Q9015 is via resistance R 1 ground connection, and its collector electrode is via resistance R 2 ground connection.The microphone input of computer sound card links to each other via the collector electrode of electric capacity with positive-negative-positive transistor Q9015.5 volts of voltage stabilizing didoe D10 and D11 lean against and are connected privately between computer sound card loud speaker output and the ground, and 5 volts of voltage stabilizing didoe D12 and D13 lean against and be connected privately between computer sound card microphone input and the ground, and they play the overvoltage protection effect to computer sound card.Telecord according to claim 1, the reverse-conducting voltage of voltage stabilizing didoe D9 wherein is lower than the voltage under talking state between two telephone lines, be higher than from the talking state to the hook state after the voltage between two telephone lines after 2 minutes.
Claims (4)
1, a kind of telecord, it mainly comprises circuit board and the related circuit that is contained on the circuit board, it is characterized in that: an output of polarity transformation circuits and the input of filter rectifier, the input of switching circuit connects, filter rectifier output respectively with the control end of switching circuit, the output of reduction voltage circuit connects, one input of the output of switching circuit and load circuit, the input of reduction voltage circuit connects, an output of load circuit, another output of filter rectifier and another output of polarity transformation circuits ground connection that links to each other.
2, a kind of telecord according to claim 1, it is characterized in that: circuit board is contained in the housing, the input of polarity transformation circuits is connected with telephone wire, another input of load circuit is connected with the output of sound card, and another output of load circuit is connected with the input of sound card.
3, a kind of telecord according to claim 1 and 2, it is characterized in that: polarity transformation circuits contains a diode bridge rectifier circuit, input is received two telephone wires, its cathode output end ground connection, the output of the positive pole of this diode bridge rectifier circuit is connected to the input of the switch of input of second diode bridge rectifier circuit and relay via an electric capacity (C1), another input end grounding of second diode bridge rectifier circuit, second diode bridge rectifier circuit just, negative output terminal is connected respectively to the two ends of the coil of relay, the negative pole and the load of the Chang Kaiduan of the switch of relay and voltage stabilizing didoe (D9) are connected with imput output circuit, and the positive pole of this voltage stabilizing didoe is connected to the cathode output end of second diode bridge rectifier circuit.
4, a kind of telecord according to claim 1 and 2, it is characterized in that: it is such that described circuit constitutes: polarity transformation circuits and filter rectifier all contain a diode bridge rectifier circuit, two diode bridge rectifier circuits link to each other by an electric capacity, telephone wire is received in first diode bridge rectifier circuit input, second diode bridge rectifier circuit output is received on the coil of relay, switch and voltage stabilizing didoe by relay between two diode bridge rectifier circuits are exported are linked in sequence, and this circuit is connected with computer sound card by electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03228221 CN2606503Y (en) | 2003-01-16 | 2003-01-16 | Telephone recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03228221 CN2606503Y (en) | 2003-01-16 | 2003-01-16 | Telephone recorder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2606503Y true CN2606503Y (en) | 2004-03-10 |
Family
ID=34164195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03228221 Expired - Fee Related CN2606503Y (en) | 2003-01-16 | 2003-01-16 | Telephone recorder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2606503Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101594412A (en) * | 2008-05-27 | 2009-12-02 | 北京爱国者存储科技有限责任公司 | A kind of method of automatic telephone recording of electronic recording equipment |
| CN108012042A (en) * | 2016-11-02 | 2018-05-08 | 柯尼卡美能达株式会社 | Facsimile communication apparatus, line broken circuit decision method and the computer-readable recording medium for storing program |
-
2003
- 2003-01-16 CN CN 03228221 patent/CN2606503Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101594412A (en) * | 2008-05-27 | 2009-12-02 | 北京爱国者存储科技有限责任公司 | A kind of method of automatic telephone recording of electronic recording equipment |
| CN108012042A (en) * | 2016-11-02 | 2018-05-08 | 柯尼卡美能达株式会社 | Facsimile communication apparatus, line broken circuit decision method and the computer-readable recording medium for storing program |
| CN108012042B (en) * | 2016-11-02 | 2020-10-20 | 柯尼卡美能达株式会社 | Facsimile communication device, line disconnection determination method, and computer-readable recording medium storing program |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |