CN1233196C - Hand-free earphone for mobile phone and external blue-tooth module - Google Patents
Hand-free earphone for mobile phone and external blue-tooth module Download PDFInfo
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- CN1233196C CN1233196C CN 03142941 CN03142941A CN1233196C CN 1233196 C CN1233196 C CN 1233196C CN 03142941 CN03142941 CN 03142941 CN 03142941 A CN03142941 A CN 03142941A CN 1233196 C CN1233196 C CN 1233196C
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Abstract
The present invention relates to a hand-free earphone for a mobile phone and an external blue-tooth module, particularly to a hand-free earphone simultaneously used by multiple mobile phones, which aims to avoid the inconvenience that a hand-free earphone can not be used by multiple mobile phones simultaneously when a user uses different mobile phones in the car. The present invention mainly utilizes the hand-free earphone formed by matching a microprocessor, an interface converting circuit, an input interface, a blue-tooth module, a sound processing circuit, a loudspeaker amplifying and controlling circuit, an amplifying circuit of a microphone amplifier, a car audio control circuit, a charging circuit, etc. with a loudspeaker and a microphone amplifier to provide a hand-free earphone which can be simultaneously used by the input of more than one mobile phone.
Description
Technical field
The present invention relates to a kind of handfree receiver unit, particularly a kind of the handfree receiver unit that provides mobile phone and external hanging type bluetooth module to use simultaneously is provided.
Background technology
The general handsfree earphone for car device mobile phone of all can only pegging graft, if when running into the user and having a mobile phone or a blue-tooth mobile telephone simultaneously, the user only can be forced to select wherein a mobile phone and the grafting of automobile-used hand-free device for tone frequencies to use, thereby allow the user in car travels, miss a lot of important incoming calls, have in the American-European for this reason car type much is the design that is equipped with mobile phone on the car (simple wagon weighing machine), can provide the SIM card of mobile phone to change by this to insert in this car machine and allow the car owner still can use mobile phone calling onboard, yet this kind car machine also is only limited on the car and uses, the user still need have a mobile phone in addition and use when getting off, change the inconvenience of plug sim card, often allow the user feel trouble deeply and dislike.
This case inventor goes through the invention that there is this case the repeatedly reform beginning because the disappearance that above habit formula Handless uses is the active research improvement.
Technical problem to be solved by this invention is that the above-mentioned deficiency at prior art provides a kind of and is expert at
Under the preceding topic of car safety, be available for users to use many mobile phones simultaneously, the having of demand that but only needs a handfree receiver unit can finish the hand-free conversation provides the handfree receiver unit of mobile phone with the use of external hanging type bluetooth module simultaneously.
Summary of the invention
Provided by the present invention the handfree receiver unit that provides mobile phone and external hanging type bluetooth module to use simultaneously be provided realized by following technical scheme.
The present invention includes: a microprocessor, leading this installs the running of each element circuit; One input interface is connected with mobile phone, receives the signal that mobile phone transmits, and outputs signal to described microprocessor, and wherein this input interface comprises that at least user's input interface and at least more than one provide the interface of mobile telephone signal input; One interface change-over circuit receives the signal that described input interface transmits, and is connected with described input interface is two-way, and is subjected to the control of described microprocessor, the signal that the conversion mobile phone is imported; One bluetooth module with the blue-tooth mobile telephone wireless connections, receives the signal that blue-tooth mobile telephone sends, and sends a signal to described microprocessor; And this bluetooth module and described two-way connection of interface change-over circuit; One microphone amplifying circuit, be connected with microphone, to after the voice signal of microphone input is handled amplification, send one to and adjust the sound treatment circuit of exporting the voice of going into, described sound treatment circuit receives the signal that described microprocessor sends, and with described two-way connection of interface change-over circuit; One loudspeaker amplify and control circuit, are subjected to the control of microprocessor, receive the voice signal from sound treatment circuit, signal are amplified and the control loudspeaker are dialled sound and released.
It more comprises an automobile audio control circuit, receives microprocessor control signal, transmits and controls signal to automobile audio, makes its quiet or temporary transient shutdown in order to the Control of Automobile sound equipment.
More comprising a charging circuit, be subjected to the control of microprocessor, and be connected with described input interface and bluetooth module, providing mobile phone required electric power, and is its battery charge.
Wherein this bluetooth module comprises: a band pass filter, and the noise of trap signal, and connect output-input interface; One radio circuit, linking number word signal processor and output-input interface, so that the radio wave of 2.4G to be provided, the bluetooth transceiver therein that makes output signal can be moved telephony side receives; One memory, linking number word signal processor and microprocessor are in order to the signal data of temporary processor or digital signal processor; One processor, linking number word signal processor, memory and output-input interface are in order to the processing signals data; One digital signal processor, connection processing device, radio circuit, memory and output-input interface, and transfer the signal data to digital signal; One output-input interface, the output of transmission signals and input, and be connected with radio circuit, processor.
Wherein the interface of this mobile telephone signal input is a jack.
The interface of this mobile telephone signal input is a holding wire.
The present invention mainly utilizes a microprocessor, an interface change-over circuit, an input interface, a bluetooth module, a sound treatment circuit, a loudspeaker amplification and control circuit, a microphone amplifying circuit, an automobile audio control circuit and a charging circuit etc., the handfree receiver unit that cooperates loudspeaker and microphone to form, having provides many mobile phones to be plugged in the convenience of a handfree receiver unit simultaneously.
The present invention ground advantage is:
Simple in structure easy to use, effectively solve the habit formula and exempt from the puzzlement that receiver in the use can only single selection, so that the user to be provided more convenient and practical handfree receiver unit.
Below enumerate specific embodiment and conjunction with figs. now, introduce composition of the present invention, feature and effect thereof in detail:
Description of drawings
Fig. 1 is a system block diagrams of the present invention.
Fig. 2 is a specific embodiment of the invention schematic diagram.
Fig. 3 is a bluetooth module schematic diagram of the present invention.
Embodiment
At first see also shown in Figure 1, it is the present invention 1 system block diagrams, mainly cooperate loudspeaker S and microphone M to be formed by a microprocessor 11, an interface change-over circuit 12, an input interface 131, a bluetooth module 2, a sound treatment circuit 14, loudspeaker amplification and circuit such as control circuit 15, a microphone amplifying circuit 16, an automobile audio control circuit 17 and a charging circuit 18, wherein:
Microprocessor 11 is that leading this installs the running of each element circuit;
Interface change-over circuit 12 is subjected to the control of microprocessor 11, and the signal that provides different mobile phone T1, T2 to be imported can be converted to the present invention's 1 accessible signal by this interface change-over circuit 12, and for using the rear end;
Bluetooth module 2; It includes:
Sound treatment circuit 14, this circuit is subjected to the control of microprocessor 11, handles the adjustment of exporting, going into voice, and general reference is eliminated noise, is eliminated sound adjustment such as echo, amplification or range of decrease ..;
Loudspeaker amplify and control circuit 15, are subjected to the control of microprocessor 11, receive the voice signal from sound treatment circuit 14, signal are amplified and control loudspeaker S dials sound and releases;
Microphone amplifying circuit 16 will be handled it through the voice signal of microphone M input and amplify, and use for the rear end;
Automobile audio control circuit I7 is subjected to the control of microprocessor 11, makes its quiet or temporary transient start in order to Control of Automobile sound equipment C;
Loudspeaker S is activated by loudspeaker control and amplifying circuit 15, is the loudspeaker that automobile audio promptly has, and also can be external loudspeaker;
Charging circuit 18 is subjected to the control of microprocessor 11, and mobile phone T1, T2 are provided required electric power, and is its battery charge;
Composition by said elements, as shown in Figure 2, it is specific embodiment of the invention schematic diagram, the user is when having only a mobile phone, can be by the occupation mode of general Handless, mobile phone is connected with the present invention 1 by input interface 131 or bluetooth module 2, and by the control of microprocessor 11, when mobile phone is sent a telegram here, even the quiet or temporary transient shutdown of automobile audio control circuit 17 automobile audio C, so the other side's calling signal can be the acceptable signal of the present invention with its signal encoding by interface change-over circuit 12 just, and after sound place circuit 14 and loudspeaker control and amplifying circuit 15 are handled, by the voice output of loudspeaker S with the other side; Otherwise the user can utilize microphone M sound import message, and reaches the purpose of Handless.
When if the user desires to use a mobile phone and a blue-tooth mobile telephone simultaneously, mobile phone T1 can be utilized input interface 13 to be connected with the present invention 1, blue-tooth mobile telephone T2 then can receive the blue teeth wireless signal of blue-tooth mobile telephone T2 by bluetooth module 2 of the present invention; In unit when conversation,, its talking mode and above-mentioned being as good as are so conversed as if a mobile phone T1 wherein, and another blue-tooth mobile telephone T2 is when sending a telegram here, and the user can utilize the present invention to select following four kinds of patterns:
1, microprocessor 11 may command sound treatment circuits 14 and input interface 131, bluetooth module 2, the caution message that incoming call is arranged first in addition to mobile phone T1 output, and this caution message can be cresset, sound or voice reminder user, the user still can continue and former caller's conversation, after former caller was hung up, meeting of the present invention was given the user with another calls transfer automatically.
2, microprocessor 11 may command sound treatment circuits 14 and input interface 131, bluetooth module 2, automatically incoming call has been connect, and utilize sound treatment circuit 14 outputs one voice suggestion to give the caller (for example: sorry, conversing at present that just a moment,please or incoming call more after a while), output has the caution message of incoming call to give the user more in addition.
3, if certain side's incoming call 2 waits for that promptly do not break, then the present invention can utilize sound treatment circuit 14 output caution messages to give the user, with the incoming call of informing that the user has the end to connect before the user answers.
When 4, the user all broke all incoming calls, microprocessor 11 just can the Control of Automobile sound control circuit.
One radio circuit 222, be linking number word signal processor 225 and output-input interface 226, so that the radio wave of 2.4G to be provided, the bluetooth transceiver therein (figure does not draw) that makes output signal can be moved telephony side connects a memory 223, be linking number word signal processor 225 and microprocessor 224, in order to the signal data of temporary processor 224 or digital signal processor 225;
One processor 224 is linking number word signal processor 225, memory 223 and output-input interface 226, in order to the processing signals data:
One digital signal processor 225 is connection processing device 224, radio circuit 222, memory 223 and output-input interface 226, and transfers the signal data to digital signal; And
One output-input interface 226, the output of transmission signals and input, and be connected with radio circuit 222, processor 224.
This bluetooth module 2 more comprises a removable card casket, and the user can do the renewal of firmware to change card casket mode, and the mobile phone that I of the present invention is supported can be done easily and upgrade and expansion.
Claims (6)
1, a kind of the handfree receiver unit that provides mobile phone and external hanging type bluetooth module to use simultaneously is provided, and it is characterized in that comprising:
One microprocessor, leading this installs the running of each element circuit;
One input interface is connected with mobile phone, receives the signal that mobile phone transmits, and outputs signal to described microprocessor, and wherein this input interface comprises that at least user's input interface and at least more than one provide the interface of mobile telephone signal input;
One interface change-over circuit receives the signal that described input interface transmits, and is connected with described input interface is two-way, and is subjected to the control of described microprocessor, the signal that the conversion mobile phone is imported;
One bluetooth module with the blue-tooth mobile telephone wireless connections, receives the signal that blue-tooth mobile telephone sends, and sends a signal to described microprocessor; And this bluetooth module and described two-way connection of interface change-over circuit;
One microphone amplifying circuit, be connected with microphone, to after the voice signal of microphone input is handled amplification, send one to and adjust the sound treatment circuit of exporting the voice of going into, described sound treatment circuit receives the signal that described microprocessor sends, and with described two-way connection of interface change-over circuit;
One loudspeaker amplify and control circuit, are subjected to the control of microprocessor, receive the voice signal from sound treatment circuit, and sound playing is come out in signal amplification and control loudspeaker.
It is 2, according to claim 1 that the handfree receiver unit that provides mobile phone and external hanging type bluetooth module to use simultaneously is provided, it is characterized in that: more comprise an automobile audio control circuit, receive microprocessor control signal, transmission controls signal to automobile audio, makes its quiet or temporary transient shutdown in order to the Control of Automobile sound equipment.
It is 3, according to claim 1 that the handfree receiver unit that provides mobile phone and external hanging type bluetooth module to use simultaneously is provided, it is characterized in that: more comprise a charging circuit, be subjected to the control of microprocessor, and be connected with described input interface and bluetooth module, providing mobile phone required electric power, and be its battery charge.
4, according to claim 1 the handfree receiver unit that provides mobile phone and external hanging type bluetooth module to use simultaneously is provided, and it is characterized in that: wherein this bluetooth module comprises:
One band pass filter, the noise of trap signal, and connect output-input interface;
One radio circuit, linking number word signal processor and output-input interface, so that the radio wave of 2.4G to be provided, the bluetooth transceiver therein that makes output signal can be moved telephony side receives;
One memory, linking number word signal processor and microprocessor are in order to the signal data of temporary processor or digital signal processor;
One processor, linking number word signal processor, memory and output-input interface are in order to the processing signals data;
One digital signal processor, connection processing device, radio circuit, memory and output-input interface, and transfer the signal data to digital signal;
One output-input interface, the output of transmission signals and input, and be connected with radio circuit, processor.
5, according to claim 1 the handfree receiver unit that provides mobile phone and external hanging type bluetooth module to use simultaneously is provided, and it is characterized in that: wherein the interface of this mobile telephone signal input is a jack.
6, according to claim 1 the handfree receiver unit that provides mobile phone and external hanging type bluetooth module to use simultaneously is provided, and it is characterized in that: the interface of this mobile telephone signal input is a holding wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03142941 CN1233196C (en) | 2003-06-05 | 2003-06-05 | Hand-free earphone for mobile phone and external blue-tooth module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03142941 CN1233196C (en) | 2003-06-05 | 2003-06-05 | Hand-free earphone for mobile phone and external blue-tooth module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1469683A CN1469683A (en) | 2004-01-21 |
| CN1233196C true CN1233196C (en) | 2005-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03142941 Expired - Fee Related CN1233196C (en) | 2003-06-05 | 2003-06-05 | Hand-free earphone for mobile phone and external blue-tooth module |
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| CN (1) | CN1233196C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100377922C (en) * | 2004-02-23 | 2008-04-02 | 拍档科技股份有限公司 | Control module possible to be configured in acoustics used in vehicle |
| KR100661548B1 (en) * | 2004-08-24 | 2006-12-27 | 엘지전자 주식회사 | A wireless microphone apparatus using a mobile communication terminal with a bluethooth module and a bluetooth receiver and the embodiment method thereof |
| CN1728740B (en) * | 2005-06-22 | 2010-06-30 | 上海宝泰电子科技有限公司 | Blue teeth automative picking up free device combined with automotive video/audio system |
| CN111114475A (en) * | 2018-10-30 | 2020-05-08 | 北京轩辕联科技有限公司 | MIC switching device and method for vehicle |
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2003
- 2003-06-05 CN CN 03142941 patent/CN1233196C/en not_active Expired - Fee Related
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| CN1469683A (en) | 2004-01-21 |
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Granted publication date: 20051221 |