CN1160924C - Handfree earphone device for plug-in use of multiple communication machines - Google Patents
Handfree earphone device for plug-in use of multiple communication machines Download PDFInfo
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Abstract
The present invention relates to a hand-free earphone which can be simultaneously plugged in multiple communication sets, particularly to a single hand-free earphone which can be used by multiple communication sets simultaneously. The present invention is characterized in that the hand-free earphone is mainly composed of a microprocessor, more than one output-input interface, a multiplex control unit, more than one multiplex unit, a sound processing circuit, a speaker amplification control unit, a microphone circuit, a dial-up unit, a charging circuit, a power source supply unit, etc. The present invention aims to solve the disadvantage that a common hand-free only can be plugged in a single communication set.
Description
Technical field
The present invention relates to a kind of handfree receiver unit, particularly a kind ofly can provide many communication machine transplanting of rice to connect the handfree receiver unit of use simultaneously.
Background technology
Because the prosperity of telecommunications industry and private telecommunication dealer's adding, the situation that makes number No. one difficulty of mobile phone door ask has become history, yet what replace it is that a people has several mobile phone doors number and mobile phone communication machine (following general designation communication machine); Though the development of science and technology and telecommunications privatization has brought convenience, but many problems of also deriving, for example, when the user has two communication machines simultaneously, now but can only connect a communication machine with handsfree earphone for car, will so whether the user also prepare two above Handless? yet the limited Handless that at all can't install many of interior space is to deal with this kind demand.
This case creator is because the disappearance that above-mentioned existing Handless uses is the active research improvement, go through repeatedly improve after, there be of the present invention finishing the beginning.
Summary of the invention
Main purpose of the present invention is to provide a kind of many communication machine transplanting of rice that can provide simultaneously of using single Handless can connect many communication machines simultaneously to connect the handfree receiver unit of use.Allow the user only need a handfree receiver unit can satisfy the demand that many communication machines use.
Of the present invention time a purpose is that many communication machine transplanting of rice that can provide simultaneously that provide a kind of combined with automotive acoustic can connect multi-section communication machine again simultaneously connect the handfree receiver unit of use.
Above-mentioned purpose of the present invention is realized by following technical scheme.
A kind ofly can provide many communication machine transplanting of rice to connect the handfree receiver unit of use simultaneously, it is characterized in that: mainly go into the handfree receiver unit that interface, multiplex's control unit, more than one multiplexer, a sound processing unit, a loud speaker amplification and control unit, a microphone amplifying circuit, a dialing unit, a charging and power-supply unit etc. are formed and cooperate a loud speaker and a wheat to fill wind by a microprocessor, more than one output, wherein:
One microprocessor is the running of leading each element circuit of handfree receiver unit;
At least one or more than one communication machine are exported into the interface, this exports the control that is subjected to microprocessor into the interface, the signal that provides different styles and label communication machine to be imported, can be whereby this export into the interface and be converted to the accessible signal of handfree receiver unit, and for using the rear end;
One arithmetic unit is activated by the signal of communication machine analog signal incoming line, and exports this and export the rear end use that the control signal that whether operates into the interface is given handfree receiver unit;
Artificial interface provides the user to import and sets the interface of using;
One multiplexer is at least one or above logic switch, controlled by the flag signals of many power control systems unit, with the judgment part or all the signal of communication machines can be via logic switch output or input;
One multiplex's control unit is subjected to the control of microprocessor, with the running of flag control multiplex (MUX) unit;
One sound processing unit, this circuit is subjected to the control of microprocessor, handles the adjustment of exporting, going into voice;
One loud speaker amplifying circuit and control unit is subjected to the control of microprocessor, receives the voice signal from sound treatment circuit, and amplifying its signal also, control loudspeaker comes out sound playing;
One microphone amplifying circuit is to amplify through the voice signal of microphone input it being handled, and uses for the rear end;
One loud speaker is activated by loud speaker amplifying circuit and control unit; (can be the loud speaker that automobile audio promptly has, also can be an external loudspeaker or earphone) charging and power-supply unit is subjected to the control of microprocessor, provides the communication machine required electric power; (and being its battery charge)
One dialing unit can cooperate devices such as push-button array, acoustic control input, utilizing the handfree receiver unit dial-in direct, and dials the communication machine, need not to utilize the button on the former communication machine again;
The composition of said units whereby can connect communication machine more than one one simultaneously so that a kind of single handfree receiver unit to be provided.
Except that above-mentioned essential features, in specific implementation process, also can replenish following technology contents:
Wherein this to export into the interface be the output/input terminal (being the signal terminal of mobile phone) that is connected Handless and communication machine by a plurality of electronic circuits, this electronic circuit includes:
One message outlet line, an end of this circuit is exported by handfree receiver unit, and end connects the input terminal of communication machine output/input terminal in addition, and contact on this circuit an amplifier and electric capacity elements such as (or resistance);
One message incoming line, an end of this circuit is imported by handfree receiver unit, and end connects each lead-out terminal of communication machine output/input terminal in addition, and contact on this circuit an amplifier and electric capacity elements such as (or resistance);
One charging circuit, an end connect handfree receiver unit, and end connects the charging end of communication machine output/input terminal in addition, and this circuit is provided with a charging control circuit, with the braking of controlling this charging circuit and the charging voltage of output;
One charging control circuit, for the signal input of conducting the charging control circuit, with the action of control charging control circuit, and this charging control circuit is the signal according to the charging control circuit, and exports different magnitudes of voltage, to mate the communication machine that is connected;
One dialing control circuit, for the control signal of conduction dialing unit, and the arithmetic unit that the interface is gone in control output;
One general dialing signal circuit, for conduction dialing control signal, an end connects dialing unit, and each end connects the arithmetic unit that the interface is gone in output;
One flag control circuit.Be used to conduct flag signals and give multiplex's control unit: informing that this exports whether to finish with the communication machine into the interface is connected;
One communication machine signal input line road, for the work time pulse of conductive communication machine, for can operating synchronously with the communication machine of Handless, this circuit one end connects the arithmetic unit that communication machine holds connection output to go into the interface in addition;
One communication machine analog signal incoming line is in order to conductive communication machine and the control signal of exporting the interface arithmetic unit.
Wherein this is exported into the interface and uses for the digital communication machine of can arranging in pairs or groups, its export into the interface can a message outlet line, a message incoming line, a charging circuit, a charging control circuit, a dialing control circuit, a general dialing signal circuit, a flag control circuit, communication machine signal input line road, FPGA (Field Programmable Gate Array) IC, a shift registor, an AD converter, a displacement control circuit, wherein above-mentioned circuit:
One message outlet line, an end of this circuit is imported by handfree receiver unit, and end connects the lead-out terminal of communication machine output/input terminal in addition, and contact on this circuit an amplifier and electric capacity elements such as (or resistance);
One message incoming line, an end of this circuit is exported by handfree receiver unit, and end connects the input terminal of communication machine communication output/input terminal in addition, and contact on this circuit an amplifier and electric capacity elements such as (or resistance):
One charging circuit, an end connect handfree receiver unit, and end connects the charging end thousand of communication machine output/input terminal in addition, and this circuit is provided with a charging control circuit, with the braking of controlling this circuit and the charging voltage of output;
One charging control circuit is for the signal input of conduction charging and power-supply unit, with the action of control charging control circuit;
One dialing control circuit, for the control signal of conduction dialing unit, and the arithmetic unit that the interface is gone in control output;
One general dialing signal circuit, for the signal of conduction dialing unit, an end connects dialing unit, and end connects the arithmetic unit that the interface is gone in output in addition;
One flag control circuit is used to conduct flag signals and gives multiplex's control unit, informs that this exports whether to finish with the communication machine into the interface to be connected;
One communication machine signal input line road is gone into signal and is provided with a FPGA (Field Programmable Gate Array) IC in circuit in order to conductive communication machine and the control signal of exporting the interface arithmetic unit and the output of conversation;
One arithmetic unit is activated by the signal on communication machine signal input line road, and exports this and export the rear end use that the control signal that whether operates into the interface is given handfree receiver unit;
One FPGA (Field Programmable Gate Array) IC is data to be gone in output encoded;
One shift registor is to patrol the temporary relevant enciphered data of IC for AD converting unit and programmed;
One AD converting unit is signal (digital revolving die is intended or analog-to-digital) to be gone in output convert the spendable signal mode in rear end mutually to;
One displacement control circuit is for communication machine input control signal.
Wherein the present invention can be in conjunction with vapour. the loud speaker of car sound equipment, and need not external loudspeaker again.
What wherein interface and communication machine were gone in output is connected to jack or holding wire.
Wherein sound processing unit is made a general reference and is eliminated noise, voice adjustment such as elimination echo, amplification or range of decrease ...
The invention has the advantages that:
The present invention mainly by a microprocessor, more than one again output go into the handfree receiver unit that interface, multiplex's control unit, more than one multiplex (MUX) unit, a sound treatment circuit, a loud speaker amplification and control unit, a microphone amplifying circuit, a dialing unit, a charging circuit and power-supply unit etc. are formed, the spy has provides many communication machine transplanting of rice to be connected to the convenience of single handfree receiver unit simultaneously.
Following conjunction with figs. now, introduce element of the present invention and specific embodiment thereof in detail:
Description of drawings
Fig. 1 is a system block diagrams of the present invention.
Fig. 2 is that the interface schematic circuit diagram is gone in analog output of the present invention.
Fig. 3 is a truth table of the present invention.
Fig. 4 is a system block diagrams 2 of the present invention.
Fig. 5 is that the interface schematic circuit diagram is gone in digital output of the present invention.
Fig. 6 is the system block diagrams that the present invention combines with automobile audio.
Fig. 7 is physical circuit figure of the present invention.
Embodiment
At first see also shown in Fig. 1,2, it is the system block diagrams of handfree receiver unit 1 of the present invention, mainly cooperate a loud speaker S and a microphone M by the handfree receiver unit that interface 121,122, multiplex's control unit 13, more than one multiplexer 131,132, a sound treatment circuit 14 are gone in a microprocessor 11, more than one output, a loud speaker amplifies and control unit 15, a microphone amplifying circuit 16, a dialing unit 17, a charging and a power-supply unit 18 and an artificial interface 19 etc. are formed, wherein:
One microprocessor 11; It is the running of leading Handless 1 each element circuit;
At least one or more than one communication machine are exported into interface 121,122, this exports the control that is subjected to microprocessor 11 into interface 121,122, with the signal that provides different styles and label communication machine T1, T2 to be imported, can be whereby this export into interface 121,122 and be converted to handfree receiver unit 1 accessible signal, and for using the rear end; It is exported into the be connected structure that can be jack, holding wire or other appropriate format of interface 121,122 with communication machine T1, T2; This is exported into interface the 121, the 122nd again, is connected output/input terminal T11, the T12 (being the signal terminal of mobile phone) of Handless 1 and communication machine T1, T2 by a plurality of electronic circuits, this electronic circuit includes a message outlet line L11, a message incoming line L12, a charging circuit L13, a charging control circuit L14, a dialing control circuit L15, a general dialing signal circuit L16, a flag control circuit L17, a communication machine work time pulse incoming line L18, communication machine analog signal incoming line L19, wherein:
One message outlet line L11, an end of this circuit are by handfree receiver unit 1 output, and end connects the input terminal A of communication machine T1, T2 output/input terminal T11, T12 in addition, and on this circuit polyphone one amplifier OP1 and capacitor C 1, C2 elements such as (or resistance);
One message incoming line L12, an end of this circuit are by Handless 1 input, and end connects the lead-out terminal B of communication machine output/input terminal T11, T12 in addition, and on this circuit polyphone one amplifier OP2 and capacitor C 3, C4 elements such as (or resistance);
One charging circuit L13, an end connect handfree receiver unit 1, and end connects the charging terminal C of communication machine output/input terminal in addition, and this circuit is provided with a charging control circuit P, with the braking of controlling this charging circuit L13 and the charging voltage of output;
One charging control circuit L14, for the signal input of conduction charging control circuit L14, with the action of control charging control circuit P, and this charging control circuit P is the signal according to charging control circuit L14, and export different magnitudes of voltage, to mate communication machine T1, the T2 that is connected;
One dialing control circuit L15, for the control signal of conduction dialing unit, and the arithmetic unit N1 that interface 121,122 is gone in control output;
One general dialing signal circuit L16, for conduction dialing control signal, an end connects dialing unit 17, and end connects the arithmetic unit N1 that interface 121,122 is gone in output in addition;
Whether one flag control circuit L17 gives many industrial controlled machines 131,132 in order to the conduction flag signals, inform that this is exported into interface 121,122 to finish and be connected with communication machine T1, T2;
One communication machine work time pulse incoming line L18, work time pulse for conductive communication machine T1, T2, so that handfree receiver unit 1 is synchronous with communication machine T1, T2 running, this circuit one end connects other end of communication machine T1, T2 and connects the arithmetic unit N1 that exports interface 121,122;
One communication machine analog signal incoming line L19 goes into the control signal of interface 121,122 its arithmetic unit N1 in order to conductive communication machine T1, T2 and output;
One arithmetic unit N1 is activated by the signal of communication machine T1, T2 analog signal incoming line L19, and exports this and export the rear end use that the control signal that whether operates into interface 121,122 is given handfree receiver unit 1;
One artificial interface 19 provides the user to import the interface of setting (control of general reference sound size, switch control, switching controls .. etc.);
An above multiplexer 131,132 has at least one or more than one logic switch, controlled by the flag signals of many power control systems unit 13, can be via logic switch output or input with the signal of judgment part (or all) communication machine;
One multiplex's control unit 13 is subjected to the control of microprocessor 11, controls the running of multiplexer 131,132 with flag:
One sound processing unit 14, this circuit is subjected to the control of microprocessor 11, handles the adjustment (general reference is eliminated noise, eliminated voice adjustment such as widely different sound, amplification or range of decrease ..) of exporting, going into voice;
One loud speaker amplifying circuit and control unit 15 are subjected to the control of microprocessor 11, receive the voice signal from sound processing unit 14, and amplifying its signal also, control loudspeaker S comes out sound playing;
One microphone amplifying circuit 16 is to amplify handling through the voice signal of selling gram wind M input, uses for the rear end;
One loud speaker S is activated by Yang Sheng device amplifying circuit and control unit 15: to can be the loud speaker that automobile audio promptly has, also can be external loudspeaker or earphone;
One charging and power-supply unit 18 is subjected to the control of microprocessor 11, communication machine T1, the required electric power of T2 is provided, and is its battery charge;
One dialing unit 17 can cooperate devices such as push-button array, acoustic control input, utilizing dial-in direct of the present invention, and dials communication machine T1, T2, need not to utilize the button on former communication machine T1, the T2 again;
The composition of said elements whereby uses when of the present invention when the user has only a communication machine T1, and function mode of the present invention is as follows:
1, the user can be by the occupation mode of general Handless, with its communication machine whereby inputting interface 121 be connected with handfree receiver unit 1, and communication machine T1 exports communication machine work time pulse incoming line L19 input service clock pulse into interface 121 whereby by the signal output/input terminal after connection, can be synchronous for the present invention with this communication machine T1, and communication machine analog signal incoming line L19 input signal triggers arithmetic unit N1 whereby, and, microprocessor 11 and multiplex's control unit 13 are learnt be the output of correspondence to go into interface 121 and be connected with communication machine T1 by arithmetic unit N1 output flag signals industry control system unit 13 and microprocessor 11 at the most.
2, the user can utilize artificial interface 19 to set (or Auto-Sensing of the present invention), makes it trigger charging control circuit P, and utilizes charging circuit L13 that communication machine T1 operating voltage and charging voltage are provided by charging of the present invention and power-supply unit 18.
3,, make the output or the input of multiplex's control unit 13 and microprocessor 11 control multiplexers 131 via the flag signals of arithmetic unit 11 outputs; The user whereby microphone M with sound after microphone amplifying circuit 16 and sound processing unit 14 handled, distribute corresponding output to go into interface 121 through multiplexer 131 again, and reach communication machine T1 by this sound incoming line L12 that exports into interface 121, and pass to the other side by communication machine T1, otherwise the other side's sound is exported the voice output circuit L11 into interface 121 whereby, behind multiplexer 131 and sound processing unit 14, loud speaker amplifying circuit 15, S comes out sound playing by loud speaker, so the user just can talk with the other side, to reach the purpose of Handless.
Above-mentioned is to do an explanation at the running of single communication machine, when if the user uses communication machine more than one one, multiplex's control unit 13 and microprocessor 11 control multiplexers 131,132 and sound processing unit 14, multiplexer 131,132 will distribute each communication machine T1, signal is gone in the output of T2, its multiplexer 121,122 control sees also shown in Figure 3, communication machine T1, T2 goes into interface 121 with output, during 122 connections, interface 121 is gone in output, 122 can export the flag control signal, and (i.e. 1 expression has the communication of connection machine, 0 expression does not have the communication of connection machine), go into interface 121 with two outputs, 122 is example, can list truth table as shown in Figure 3, go into action with the output of control multiplexer.
It is communication machine T1 at general analog signal that the interface is gone in aforesaid output, the interface is gone in the output that T2 cooperated, if user's communication machine T3, T4 (sees also Fig. 4 when being digital signal, 5), then the present invention should exempt from earphone device 2, mainly be by a microprocessor 21, interface 221 is gone in more than one output, 222, one multiplex's control unit, 23 more than one multiplexers 231,232, one sound processing unit 24, one loud speaker amplifies and control unit 25 1 microphone amplifying circuits 26, one dialing unit 24, one charging and institutes such as a power-supply unit 28 and an artificial interface 29 form, and cooperate a loud speaker S and a microphone M, the start relation of said elements is as Fig. 1 embodiment, just interface 221 is gone in output wherein, 222 can a message outlet line L21, one message incoming line L22, one charging circuit L23, one charging control circuit L24, one dialing control circuit L25, one general dialing signal circuit L26, one flag control circuit L27, communication machine signal input line road L29, programming logic integrated circuit IC29, one shift registor BF, one AD converter Q, one displacement control circuit L28, wherein above-mentioned circuit:
One end of one this circuit of message outlet line L21. is by handfree receiver unit 2 input, and end connects the lead-out terminal of communication machine T3, T4 output/input terminal T31, T41 in addition, and on this circuit polyphone one amplifier OP3 and capacitor C 23, C24 elements such as (or resistance);
One message incoming line L22, an end of this circuit are by handfree receiver unit 2 output, and end connects the input terminal of communication machine T3, T4 communication output/input terminal in addition, and on this circuit polyphone one amplifier OP4 and capacitor C 22, C21 elements such as (or resistance);
One charging circuit L23, an end connect handfree receiver unit 2, and end connects the charging terminal D of communication machine T3, T4 output/input terminal T31, T41 in addition, and this circuit L23 is provided with a charging control circuit P2, with the braking of controlling this circuit and the charging voltage of output:
One charging control circuit L24 is for the signal input of conduction charging and power-supply unit 28, with the action of control charging control circuit P2;
One dialing control circuit L25, for the control signal of conduction dialing unit 27, and the arithmetic unit N2 that interface 221,222 is gone in control output;
One general dialing signal circuit L27, for the signal of conduction dialing unit 27, an end connects dialing unit 27, and end connects the arithmetic unit N2 that interface 221,222 is gone in output in addition;
Whether one flag control circuit L26 is used to conduct flag signals and gives multiplex's control unit 13, inform that this is exported into interface 221,222 to finish and be connected with communication machine T3, T4;
One communication machine signal input line road L29 goes into the control signal of interface arithmetic unit N2 and the output of conversation is gone into signal and is provided with a programming logic integrated circuit IC29 in circuit in order to conductive communication machine T3, T4 and output;
One arithmetic unit N2 is activated by the signal of communication machine T3, T4 signal input line road L29, and exports this and export the rear end use that the control signal that whether operates into interface 221,222 is given handfree receiver unit 2;
One programming logic integrated circuit IC29 is data to be gone in output encoded;
One shift registor BF is for AD converting unit Q and the temporary relevant enciphered data of programming logic integrated circuit IC29;
One AD converting unit Q is signal (digital revolving die is intended or analog-to-digital) to be gone in output convert the spendable signal mode in rear end mutually to;
One displacement control circuit L28 is for communication machine T3, T4 input control signal;
Second embodiment that interface 221 (222) is gone in above-mentioned whereby output is just applicable to communication machine T3, the T4 of digital signal, and each member action of the present invention is all identical, so seldom give unnecessary details.
Please consult shown in Figure 6 again, it is the embodiment schematic diagram that uses in conjunction with automobile audio CR for handfree receiver unit 3 of the present invention, be the output multiplexer CR1 that loud speaker S of the present invention is connected in automobile audio CR, and 31 outputs one of handfree receiver unit 3 microprocessors control signal to the output multiplexer CR1 of automobile audio CR, when user's incoming call answering, even the quiet or temporary transient shutdown of automobile audio CR, so the other side's calling signal just can be exported whereby into interface 321,322, with its signal encoding is handfree receiver unit 3 acceptable signals, and after sound processing unit 34 and loudspeaker control and amplifying circuit 35 are handled, by the loudspeaker S output of automobile audio CR; Otherwise the user can utilize microphone M with the sound import message, and reaches the purpose of Handless.
Fig. 7 is physical circuit figure of the present invention.Wherein:
I, power unit: being subjected to the control of main control unit, providing the communication machine required electric power, and is its battery charge.
II, mobile phone interface: be subjected to the control of main control unit, be converted to the accessible signal of handfree receiver unit in this interface whereby with the signal that provides different styles and label communication machine to be imported, and use for the rear end.
III, MIC amplifying circuit: be to amplify like using for the rear end with it being handled through the voice signal of microphone input.
IV, acoustic control part: the acoustic control circuit is listened the plainly-packed dial-in direct of putting in order to cooperate an acoustic control input unit to utilize hand-free, need not to utilize button on the former communication machine and dial the communication machine again.
V, main control unit: the running that is leading each element circuit of handfree receiver unit.
VI, sound treatment circuit: this circuit is subjected to the control of main control unit, handles the adjustment of output, input voice.
VII, multiplexer: be at least one or above logic switch, controlled by the flag signals of multiplex's control unit, with the judgment part or all the signal of communication machines can be via logic switch output or input.
In sum, of the present invention simple in structure easy to use, effectively solve existing with Handless in the use can only single selection puzzlement, so that the user to be provided more convenient and practical handfree receiver unit.
Claims (6)
1, a kind ofly can provide many communication machine transplanting of rice to connect the handfree receiver unit of use simultaneously, it is characterized in that: mainly go into the handfree receiver unit that interface, multiplex's control unit, more than one multiplexer, a sound processing unit, a loud speaker amplification and control unit, a microphone amplifying circuit, a dialing unit, a charging and power-supply unit etc. are formed and cooperate a loud speaker and a wheat to fill wind by a microprocessor, more than one output, wherein:
One microprocessor, this microprocessor are the runnings of leading each element circuit of handfree receiver unit;
At least one or more than one communication machine are exported into the interface, this exports the control that is subjected to microprocessor into the interface, the signal that provides different styles and label communication machine to be imported, can be whereby this export into the interface and be converted to the accessible signal of handfree receiver unit, and for using the rear end;
One arithmetic unit is activated by the signal of communication machine analog signal incoming line, and exports this and export the rear end use that the control signal that whether operates into the interface is given handfree receiver unit;
Artificial interface provides the user to import and sets the interface of using;
One multiplexer is at least one or above logic switch, controlled by the flag signals of many power control systems unit, with the judgment part or all the signal of communication machines can be via logic switch output or input;
One multiplex's control unit is subjected to the control of microprocessor, with the running of flag control multiplex (MUX) unit;
One sound processing unit, this circuit is subjected to the control of microprocessor, handles the adjustment of exporting, going into voice;
One loud speaker amplifying circuit and control unit is subjected to the control of microprocessor, receives the voice signal from sound treatment circuit, and amplifying its signal also, control loudspeaker comes out sound playing;
One microphone amplifying circuit is to amplify through the voice signal of microphone input it being handled, and uses for the rear end;
One loud speaker is activated by loud speaker amplifying circuit and control unit; One charging and power-supply unit is subjected to the control of microprocessor, provides the communication machine required electric power;
One dialing unit can cooperate devices such as push-button array, acoustic control input, utilizing the handfree receiver unit dial-in direct, and dials the communication machine, need not to utilize the button on the former communication machine again;
The composition of said units whereby can connect communication machine more than one one simultaneously so that a kind of single handfree receiver unit to be provided.
2, according to claim 1ly can provide many communication machine transplanting of rice to connect the handfree receiver unit of use simultaneously, it is characterized in that: wherein this to export into the interface be the output/input terminal that is connected Handless and communication machine by a plurality of electronic circuits, this electronic circuit includes:
One message outlet line, an end of this circuit is exported by handfree receiver unit, and end connects the input terminal of communication machine output/input terminal in addition, and the elements such as an amplifier and electric capacity of contacting on this circuit;
One message incoming line, an end of this circuit is imported by handfree receiver unit, and end connects each lead-out terminal of communication machine output/input terminal in addition, and the elements such as an amplifier and electric capacity of contacting on this circuit;
One charging circuit, an end connect handfree receiver unit, and end connects the charging end of communication machine output/input terminal in addition, and this circuit is provided with a charging control circuit, with the braking of controlling this charging circuit and the charging voltage of output;
One charging control circuit, for the signal input of conducting the charging control circuit, with the action of control charging control circuit, and this charging control circuit is the signal according to the charging control circuit, and exports different magnitudes of voltage, to mate the communication machine that is connected;
One dialing control circuit, for the control signal of conduction dialing unit, and the arithmetic unit that the interface is gone in control output;
One general dialing signal circuit, for conduction dialing control signal, an end connects dialing unit, and each end connects the arithmetic unit that the interface is gone in output;
One flag control circuit.Be used to conduct flag signals and give multiplex's control unit: informing that this exports whether to finish with the communication machine into the interface is connected;
One communication machine signal input line road, for the work time pulse of conductive communication machine, for can operating synchronously with the communication machine of Handless, this circuit one end connects the arithmetic unit that communication machine holds connection output to go into the interface in addition;
One communication machine analog signal incoming line is in order to conductive communication machine and the control signal of exporting the interface arithmetic unit.
3, according to claim 1ly can provide many communication machine transplanting of rice to connect the handfree receiver unit of use simultaneously, it is characterized in that: wherein this is exported into the interface and uses for the digital communication machine of can arranging in pairs or groups, its export into the interface can a message outlet line, a message incoming line, a charging circuit, a charging control circuit, a dialing control circuit, a general dialing signal circuit, a flag control circuit, communication machine signal input line road, FPGA (Field Programmable Gate Array) IC, a shift registor, an AD converter, a displacement control circuit, wherein above-mentioned circuit:
One message outlet line, an end of this circuit is imported by handfree receiver unit, and end connects the lead-out terminal of communication machine output/input terminal in addition, and contact on this circuit an amplifier and electric capacity elements such as (or resistance);
One message incoming line, an end of this circuit is exported by handfree receiver unit, and end connects the input terminal of communication machine communication output/input terminal in addition, and contact on this circuit an amplifier and electric capacity elements such as (or resistance):
One charging circuit, an end connect handfree receiver unit, and end connects the charging end thousand of communication machine output/input terminal in addition, and this circuit is provided with a charging control circuit, with the braking of controlling this circuit and the charging voltage of output;
One charging control circuit is for the signal input of conduction charging and power-supply unit, with the action of control charging control circuit;
One dialing control circuit, for the control signal of conduction dialing unit, and the arithmetic unit that the interface is gone in control output;
One general dialing signal circuit, for the signal of conduction dialing unit, an end connects dialing unit, and end connects the arithmetic unit that the interface is gone in output in addition;
One flag control circuit is used to conduct flag signals and gives multiplex's control unit, informs that this exports whether to finish with the communication machine into the interface to be connected;
One communication machine signal input line road is gone into signal and is provided with a FPGA (Field Programmable Gate Array) IC in circuit in order to conductive communication machine and the control signal of exporting the interface arithmetic unit and the output of conversation;
One arithmetic unit is activated by the signal on communication machine signal input line road, and exports this and export the rear end use that the control signal that whether operates into the interface is given handfree receiver unit;
One FPGA (Field Programmable Gate Array) IC is data to be gone in output encoded;
One shift registor is to patrol the temporary relevant enciphered data of IC for AD converting unit and programmed;
One AD converting unit is that signal is gone in output, and digital revolving die is intended or analog-to-digital, converts the spendable signal mode in rear end mutually to;
One displacement control circuit is for communication machine input control signal.
4, according to claim 1ly can provide many communication machine transplanting of rice to connect the handfree receiver unit of use simultaneously, it is characterized in that: wherein loud speaker is the loud speaker of automobile audio, or external loudspeaker or earphone.
5, according to claim 1ly can provide many communication machine transplanting of rice to connect the handfree receiver unit of use simultaneously, it is characterized in that: what wherein interface and communication machine were gone in output is connected to jack or holding wire.
6, according to claim 1ly can provide many communication machine transplanting of rice to connect the handfree receiver unit of use simultaneously, it is characterized in that: sound processing unit wherein is meant and eliminates noise, eliminates echo, amplification or the range of decrease.Processing unit Deng the voice adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011292954A CN1160924C (en) | 2001-06-20 | 2001-06-20 | Handfree earphone device for plug-in use of multiple communication machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011292954A CN1160924C (en) | 2001-06-20 | 2001-06-20 | Handfree earphone device for plug-in use of multiple communication machines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1392716A CN1392716A (en) | 2003-01-22 |
| CN1160924C true CN1160924C (en) | 2004-08-04 |
Family
ID=4669058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011292954A Expired - Fee Related CN1160924C (en) | 2001-06-20 | 2001-06-20 | Handfree earphone device for plug-in use of multiple communication machines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1160924C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3019702B1 (en) * | 2014-04-03 | 2017-08-11 | Peugeot Citroen Automobiles Sa | DEVICE FOR CONTROLLING THE AUDIO SIGNAL BROADCAST OF PRIMARY AND AUXILIARY SOURCES OF A SYSTEM, ACCORDING TO THEIR DURATION |
-
2001
- 2001-06-20 CN CNB011292954A patent/CN1160924C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1392716A (en) | 2003-01-22 |
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