CN202218294U - Handset auxiliary terminal - Google Patents
Handset auxiliary terminal Download PDFInfo
- Publication number
- CN202218294U CN202218294U CN2011202948443U CN201120294844U CN202218294U CN 202218294 U CN202218294 U CN 202218294U CN 2011202948443 U CN2011202948443 U CN 2011202948443U CN 201120294844 U CN201120294844 U CN 201120294844U CN 202218294 U CN202218294 U CN 202218294U
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Abstract
The utility model relates to a handset auxiliary terminal, and relates to a multifunctional device with functions of hand-free conversation, handset data transmission and frequency modulation reception, comprising a handset interface, an audio frequency power amplification circuit, a battery, a loudspeaker and a microphone, wherein the handset interface is correspondingly connected with the data communication line inside a computer interface, a button set is connected with the first data input port of a microprocessor and the frequency control port of a frequency modulation reception circuit, an access detection circuit is connected between the receiving signal line of the handset interface and the second data input port of the microprocessor, and a display is connected with the first data output port of the microprocessor, the four control output ports of the microprocessor are correspondingly connected with the control end of an impedance matching device, the control end of an audio frequency selection circuit, the control end of the frequency modulation reception circuit and the volume control port of an audio frequency power amplification circuit of the handset interface, and one of the receiving signal of the handset interface and the output of the frequency modulation reception circuit is selected and transmitted to the audio frequency power amplification circuit for amplification and to the loudspeaker for outputting.
Description
Technical field
The utility model relates to a kind of supporting device of cell phone that is, particularly relates to a kind of multi-function device with handfree speech of mobile phone, data in mobile phone transmission and FM radio.
Background technology
People are driving or time of office, and inconvenience is always held mobile phone and conversed, thereby need the hands free terminal that amplifies with external Mike and cooperate and carry out hand-free call.People also need data equipments such as mobile phone and computer to carry out exchanges data.Like listening the people who sings usually in mobile phone, to preserve the song of a lot of downloads, also hoping has easy public address equipment to play back.In addition, people like the listening in frequency modulation broadcast program in the time in leisure.Have at present different equipment to satisfy a certain in the demand respectively, for example: the hands free terminal of carrying out hand-free call comprises handset port, audio power amplifier circuit, battery, loudspeaker and Mike.Battery is supplied power to audio power amplifier circuit.Each holding wire of handset port respectively with the corresponding connection of each corresponding signal line of the standard USB interface of mobile phone.The accepted call signal that audio power amplifier circuit is accepted handset port amplifies, and gives loudspeaker and play back.Mike delivers to mobile phone with user's speech through the telecommunication signal line of handset port and sends the other side to.Data equipment such as mobile phone and computer carries out exchanges data, and the data communication interface (abbreviation computer interface) with the corresponding connection of the standard USB interface of mobile phone need be provided.The public address equipment of the song of preserving in the broadcast mobile phone comprises handset port, battery, audio power amplifier circuit and the loudspeaker with the corresponding connection of the standard USB interface of mobile phone.Battery is supplied power to audio power amplifier circuit.The song signal that audio power amplifier circuit is accepted handset port accepted call signal line amplifies, and gives loudspeaker and play back.The FM receiver of listening in frequency modulation broadcast program comprises fm radio circuit, battery, audio power amplifier circuit and loudspeaker.Battery is to fm radio circuit and audio power amplifier circuit power supply.Audio power amplifier circuit amplifies the broadcast singal that fm radio circuit receives, and gives loudspeaker and play back.But neither one equipment can satisfy all above-mentioned demands.And so many equipment uses with the device pendulum together, and the part of existing a lot of repetitions causes waste; Numerous and disorderly again messy, take usage space.
The utility model content
The utility model aims to provide and a kind ofly can satisfy the demand of people simultaneously, and overcomes the mobile phone accessory terminal of above-mentioned defective.
The technical scheme of the utility model is: the mobile phone accessory terminal comprises handset port, audio power amplifier circuit, battery, loudspeaker and Mike with the corresponding connection of the standard USB interface of mobile phone; It is characterized in that: also have computer interface, fm radio circuit, access testing circuit, microprocessor, key groups, display and audio selecting circuit; Battery is also to fm radio circuit, audio selecting circuit, display and microprocessor power supply; Each data telecommunication line in the handset port and the corresponding connection of corresponding data order wire in the computer interface; The accepted call signal line in the handset port and the output of fm radio circuit are connected two signal input parts of audio selecting circuit respectively; Key groups connects first data-in port of microprocessor and the FREQUENCY CONTROL port of fm radio circuit; The input that inserts testing circuit connects the telecommunication signal line in the handset port, and the output that inserts testing circuit connects second data-in port of microprocessor; Display connects first data-out port of microprocessor; The first control output end mouth of microprocessor connects the control end of the impedance matching box of handset port; The second control output end mouth of microprocessor connects the control end of audio selecting circuit; The 3rd control output end mouth of microprocessor connects the control end of fm radio circuit; The 4th control output end mouth of microprocessor connects the volume control end mouth of audio power amplifier circuit; The output of audio selecting circuit connects the audio signal input end of audio power amplifier circuit.
This terminal is in holding state at ordinary times, in case handset port is connected with mobile phone, inserts testing circuit and will send corresponding access state signal to second data-in port of microprocessor.This terminal of microprocessor control gets into the cellular service state.The our voice signal that the telecommunication signal line of handset port provides Mike is delivered to mobile phone and is sent the other side to.The impedance matching box of microprocessor control handset port gets into high-impedance state, and the audio signal that handset port accepted call signal line provides can flow to audio selecting circuit.Simultaneously, the audio signal (the song signal of the other side's voice signal or mobile phone play) that microprocessor forces audio selecting circuit that handset port accepted call signal line is provided is given audio power amplifier circuit, amplifies the back by audio power amplifier circuit and hands over loudspeaker to play.During this period, the volume control key of group if the user pushes button, the corresponding change of microprocessor is to the volume control signal of audio power amplifier circuit, and audio power amplifier circuit changes gain, and the volume of loudspeaker also increases thereupon or weakens.In case data equipments such as computer interface and other computer are realized being connected, data equipments such as this computer just can through the handset port at this terminal and accordingly mobile phone carry out exchanges data.Find that handset port no longer is connected with mobile phone if insert testing circuit; Will send non-access state signal to microprocessor; The impedance matching box of microprocessor control handset port gets into low resistive state, and the audio signal that handset port accepted call signal line provides can not flow to audio selecting circuit.Microprocessor returns the FM radio state or gets into holding state according to the state before this cellular service state.
At holding state, the function selecting key of group if the user pushes button.Microprocessor makes fm radio circuit get into operating state; And control audio selects circuit to give audio power amplifier circuit with the broadcast singal that fm radio circuit provides; Audio power amplifier circuit amplifies broadcast singal, and gives loudspeaker and play back, and this terminal is in the FM radio state.During this period, the volume control key of group if the user pushes button, the corresponding change of microprocessor is to the volume control signal of audio power amplifier circuit, and audio power amplifier circuit changes gain, and the volume of loudspeaker also increases thereupon or weakens.The frequency adjustment key of group if the user pushes button; Fm radio circuit changes operating frequency until selecting suitable broadcasting channel; The channel data that microprocessor records is current, so as next time start and when getting into the FM radio state control fm radio circuit by this channel work.The function selecting key of group if the user pushes button once more, microprocessor quits work fm radio circuit, and holding state is got back at this terminal.
The mobile phone that has only audio signal interface for there not being standard USB interface: the accepted call signal line of said handset port, telecommunication signal line and ground wire respectively with an additional audio socket on signal lines be connected.Through the audio signal connecting line audio signal interface of this audio socket and this mobile phone is coupled together, just can realize hand-free call, and playback of songs.
5 volts of power lines of said computer interface connect the first analog-to-digital conversion input port of said microprocessor and the power input of an additional battery charger, and described battery connects the second analog-to-digital conversion input port of said microprocessor; The output of this battery charger connects described battery; The charging control input end of this battery charger connects the 5th control output end mouth of said microprocessor.Microprocessor detects access state and the voltage of self-contained battery of 5 volts of power supplys of external digital device, when the voltage of self-contained battery is lower than the alarming value of setting, under the control of microprocessor, is needed the information of charging by the display demonstration; When 5 volts of power supplys of external digital device had inserted, battery charger utilized 5 volts of power supplys of external digital device to be the battery charge in the machine under the control of microprocessor, and under the monitoring of microprocessor, was shown the charged state of self-contained battery by display.When the voltage of self-contained battery reached the working value of setting, microprocessor control display showed the information that stops to charge, and microprocessor control battery charger stops to be the battery charge in the machine.
And then: to described microprocessor power supply, supply power to fm radio circuit, audio power amplifier circuit and audio selecting circuit under the control of said microprocessor by this voltage stabilizing power supplying circuit through an additional voltage stabilizing power supplying circuit for 5 volts of power lines of described battery and said computer interface.When this machine can use 5 volts of power supply power supplies of battery or external digital device flexibly by means of voltage stabilizing power supplying circuit, also can cut off fm radio circuit, audio power amplifier circuit and audio selecting circuit power supply, save electric energy at holding state.
The utility model mobile phone accessory terminal utilizes the operation of microprocessor control and coordination handset port, fm radio circuit, audio selecting circuit and audio power amplifier circuit, realizes multi-functional operation.Compare with device with the single-function device of existing each dispersion, it has the degree of integration height, and the components and parts utilance is high, and easy and simple to handle, little and portable advantage takes up room.
Description of drawings
Fig. 1 is the frame structure sketch map of an embodiment of the utility model mobile phone accessory terminal.
Embodiment
The frame structure of an embodiment of the utility model mobile phone accessory terminal, as shown in Figure 1.This mobile phone accessory terminal has battery 1, voltage stabilizing power supplying circuit 2, microprocessor 3, key groups 4, audio selecting circuit 5, audio power amplifier circuit 6, loudspeaker 7, handset port 8, fm radio circuit 9, computer interface 10, battery charger 11, display 12, Mike 13 and audio socket 14.
5 volts of power lines of computer interface 10 connect power input, the first analog-to-digital conversion input port 321 of microprocessor 3 and first power input of voltage stabilizing power supplying circuit 2 of battery charger 11.The output of battery charger 11 connects battery 1, and the charging control input end of battery charger 11 connects the 5th control output end mouth 305 of microprocessor 3.Battery 1 connects the second power supply input of voltage stabilizing power supplying circuit 2 and the second analog-to-digital conversion input port 322 of microprocessor 3.The fixedly output VC of voltage stabilizing power supplying circuit 2 is to microprocessor 3 power supplies, and the controlled output VD of voltage stabilizing power supplying circuit 2 supplies power to fm radio circuit 9, audio selecting circuit 5 and audio power amplifier circuit 6 under the 6th control output end mouth 306 controls of microprocessor 3.
The FREQUENCY CONTROL port of fm radio circuit 9 connects two frequencies adjustment keys (frequency+, frequency-) respectively.The control end of fm radio circuit 9 connects the 3rd control output end mouth 303 of microprocessor 3.With monaural working method is example, and the accepted call signal line of a sound channel connects first signal input part of audio selecting circuit 5 corresponding sound channels in the handset port 8; The output of fm radio circuit 9 corresponding sound channels connects second signal input part of audio selecting circuit 5 corresponding sound channels.The control end of audio selecting circuit 5 connects the second control output end mouth 302 of microprocessor 3.The output of audio selecting circuit 5 corresponding sound channels connects the audio signal input end of audio power amplifier circuit 6 corresponding sound channels.The volume control end mouth of audio power amplifier circuit 6 connects the 4th control output end mouth 304 of microprocessor 3.The output of audio power amplifier circuit 6 corresponding sound channels connects the loudspeaker 7 of corresponding sound channel.
The input that inserts testing circuit 15 connects telecommunication signal line and Mike 13 in the handset port 8, and the output that inserts testing circuit 15 connects second data-in port 312 of microprocessor 3.Display 12 is made up of the light-emitting diode of two different colours.First data-out port 31 of microprocessor 3 connects the control end of two light-emitting diodes in the display 10 respectively.
This terminal is in holding state at ordinary times, and the controlled output VD of the 6th control output end mouth 306 control voltage stabilizing power supplying circuits 2 of microprocessor 3 is not to fm radio circuit 9, audio selecting circuit 5 and audio power amplifier circuit 6 power supplies.Make fm radio circuit 9, audio selecting circuit 5 and audio power amplifier circuit 6 all be in non operating state, to save electric energy.In case handset port 8 or audio socket 14 are connected with mobile phone; The level of the telecommunication signal line in the handset port 8 will change; Insert that testing circuit 15 detects the variation of this level and after second data-in port 312 of microprocessor 3 sends corresponding access state cue; The controlled output VD of the 6th control output end mouth 306 control voltage stabilizing power supplying circuits 2 of microprocessor 3 promptly controls this terminal and gets into the cellular service state not to fm radio circuit 9, audio selecting circuit 5 and audio power amplifier circuit 6 power supplies.
At the cellular service state; The impedance matching box of the first control output end mouth, the 301 control handset ports 8 of microprocessor 3 gets into high-impedance state; The audio signal that the accepted call signal line of handset port 8 and audio socket 14 provides can flow to audio selecting circuit 5; Can realize hand-free call, and playback of songs.The our voice signal that the telecommunication signal line of handset port 8 provides Mike 13 is delivered to mobile phone and is sent the other side to.Simultaneously, the audio signal (the song signal of the other side's voice signal or mobile phone play) that microprocessor 3 forces audio selecting circuit 5 that handset port 8 accepted call signal lines are provided is given audio power amplifier circuit 6, amplifies the back by audio power amplifier circuit 6 and hands over loudspeaker 6 to play.During this period; The volume control key of the group 4 if user pushes button; 304 controls of microprocessor 3 corresponding change the 4th control output end mouths are to the volume control signal of audio power amplifier circuit 6, and audio power amplifier circuit 6 changes gain, and the volume of loudspeaker 7 also increases thereupon or weakens.
At the cellular service state, in case data equipments such as computer interface 10 and other computer realize being connected, data equipments such as this computer just can through the handset port 8 at this terminal and accordingly mobile phone carry out exchanges data.
At the cellular service state; Find that handset port 8 and audio socket 14 no longer are connected with mobile phone if insert testing circuit 15; Will send non-access state signal to microprocessor 3; The impedance matching box of the first control output end mouth, the 301 control handset ports of microprocessor 3 gets into low resistive state, and the audio signal that handset port 8 and audio socket 14 accepted call signal lines provide no longer can flow to audio selecting circuit 5.Whether microprocessor 3 inspection was in the FM radio state before this cellular service state, be that then the control audio broadcast singal of selecting circuit 5 that fm radio circuit 9 is provided is given audio power amplifier circuit 6, just returned the FM radio state; Otherwise the controlled output VD of the 6th control output end mouth 306 control voltage stabilizing power supplying circuits 2 of microprocessor 3 makes this terminal get into holding state not to fm radio circuit 9, audio selecting circuit 5 and audio power amplifier circuit 6 power supplies.
At holding state, the function selecting key of the group 4 if user pushes button.The controlled output VD of the 6th control output end mouth 306 control voltage stabilizing power supplying circuits 2 of microprocessor is not to fm radio circuit 9, audio selecting circuit 5 and audio power amplifier circuit 6 power supplies.The 3rd control output end mouth 303 control fm radio circuits 9 of microprocessor 3 get into operating state simultaneously; The broadcast singal that the second control output end mouth, 302 control audio of microprocessor 3 select circuit 5 that fm radio circuit 9 is provided is given audio power amplifier circuit 6; Audio power amplifier circuit 6 amplifies broadcast singal; And give loudspeaker 7 and play back, this terminal is in the FM radio state.During this period, the volume control key of the group 4 if user pushes button, the volume control signal of 304 pairs of audio power amplifier circuits 6 of microprocessor 3 corresponding change the 4th control output end mouths, audio power amplifier circuit 6 changes gain, and the volume of loudspeaker 7 also increases thereupon or weakens.The frequency adjustment key of the group 4 if user pushes button; Fm radio circuit 9 changes operating frequency until selecting suitable broadcasting channel; The channel data that microprocessor 3 record is current, so as start next time and when getting into the FM radio state control fm radio circuit 9 by this channel work.The function selecting key of the group 4 if user pushes button once more, the controlled output VD of the 6th control output end mouth 306 control voltage stabilizing power supplying circuits 2 of microprocessor 3 is not to fm radio circuit 9, audio selecting circuit 5 and audio power amplifier circuit 6 power supplies.Fm radio circuit 9, audio selecting circuit 5 and audio power amplifier circuit 6 are quit work, and holding state is got back at this terminal.
The above is merely the utility model preferred embodiment, does not limit the scope that the utility model is implemented with this, and the equivalence of doing according to the technical scheme and the description of the utility model changes and modification, all should belong to the scope that the utility model is contained.
Claims (4)
1. the mobile phone accessory terminal comprises handset port, audio power amplifier circuit, battery, loudspeaker and Mike with the corresponding connection of the standard USB interface of mobile phone; It is characterized in that: also have computer interface, fm radio circuit, access testing circuit, microprocessor, key groups, display and audio selecting circuit; Battery is also to fm radio circuit, audio selecting circuit, display and microprocessor power supply; Each data telecommunication line in the handset port and the corresponding connection of corresponding data order wire in the computer interface; The accepted call signal line in the handset port and the output of fm radio circuit are connected two signal input parts of audio selecting circuit respectively; Key groups connects first data-in port of microprocessor and the FREQUENCY CONTROL port of fm radio circuit; The input that inserts testing circuit connects the telecommunication signal line in the handset port, and the output that inserts testing circuit connects second data-in port of microprocessor; Display connects first data-out port of microprocessor; The first control output end mouth of microprocessor connects the control end of the impedance matching box of handset port; The second control output end mouth of microprocessor connects the control end of audio selecting circuit; The 3rd control output end mouth of microprocessor connects the control end of fm radio circuit; The 4th control output end mouth of microprocessor connects the volume control end mouth of audio power amplifier circuit; The output of audio selecting circuit connects the audio signal input end of audio power amplifier circuit.
2. mobile phone accessory terminal according to claim 1 is characterized in that: the accepted call signal line of said handset port, telecommunication signal line and ground wire respectively with an additional audio socket on signal lines be connected.
3. mobile phone accessory terminal according to claim 1; It is characterized in that: 5 volts of power lines of said computer interface connect the first analog-to-digital conversion input port of said microprocessor and the power input of an additional battery charger, and described battery connects the second analog-to-digital conversion input port of said microprocessor; The output of this battery charger connects described battery; The charging control input end of this battery charger connects the 5th control output end mouth of said microprocessor.
4. according to claim 1 or 2 or 3 described mobile phone accessory terminals; It is characterized in that: to described microprocessor power supply, supply power to fm radio circuit, audio power amplifier circuit and audio selecting circuit under the 6th control output end mouth control of said microprocessor by this voltage stabilizing power supplying circuit through an additional voltage stabilizing power supplying circuit for 5 volts of power lines of described battery and said computer interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202948443U CN202218294U (en) | 2011-08-12 | 2011-08-12 | Handset auxiliary terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202948443U CN202218294U (en) | 2011-08-12 | 2011-08-12 | Handset auxiliary terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202218294U true CN202218294U (en) | 2012-05-09 |
Family
ID=46017519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202948443U Expired - Lifetime CN202218294U (en) | 2011-08-12 | 2011-08-12 | Handset auxiliary terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202218294U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110830058A (en) * | 2019-09-27 | 2020-02-21 | 福建工程学院 | Frequency modulation transmitter device based on Bluetooth communication |
-
2011
- 2011-08-12 CN CN2011202948443U patent/CN202218294U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110830058A (en) * | 2019-09-27 | 2020-02-21 | 福建工程学院 | Frequency modulation transmitter device based on Bluetooth communication |
| CN110830058B (en) * | 2019-09-27 | 2022-02-22 | 福建工程学院 | Frequency modulation transmitter device based on Bluetooth communication |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120509 |