CN207995368U - A kind of DSP tuning systems for vehicle audio - Google Patents
A kind of DSP tuning systems for vehicle audio Download PDFInfo
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- CN207995368U CN207995368U CN201820355480.7U CN201820355480U CN207995368U CN 207995368 U CN207995368 U CN 207995368U CN 201820355480 U CN201820355480 U CN 201820355480U CN 207995368 U CN207995368 U CN 207995368U
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Abstract
The utility model is related to a kind of car audio system, more particularly to a kind of DSP tuning systems for vehicle audio.Two-way communication link between the audio signal reception circuit and DSP signal processing circuits of the utility model, the signal output end of the DSP signal processing circuits is connected with the signal input part of signal filter amplification circuit, the signal output end of the signal filter amplification circuit is connected with the signal input part of signal demodulator circuit, the signal output end of the signal demodulator circuit is connected with the signal input part of decoding circuit, the signal input part of DSP signal processing circuits is connected with the signal output end of man-machine interactive interface, the DSP signal processing circuits, the signal input part of signal filter amplification circuit is connected with the signal output end of relay circuit.The sound quality of the utility model is good, meets the hearing enjoying of client, due to directly carrying out tuning by DSP digital signal processor, simplifies processing technology, reduces processing cost.
Description
Technical field
The utility model is related to a kind of car audio system, more particularly to a kind of DSP tuning systems for vehicle audio.
Background technology
With the continuous development of automotive engineering, the technologies such as automotive electronic technology, on-vehicle information technology and sensor also by
Gradually promote the development of automotive engineering.Car audio system gradually rises in automobile industry, and the automobile of each class can all fill
With a suitable car audio system.
Not only price is high for existing car audio system, but also system is easy to be influenced by external environment and lead to performance
It is unstable, therefore there is an urgent need to provide a kind of car audio system of simple structure and low cost, stability is good.
Utility model content
The utility model in order to overcome the above-mentioned deficiencies of the prior art, provides a kind of of simple structure and low cost, stable
The good DSP tuning systems for vehicle audio of property.
Solve the problems, such as that techniques discussed above, the technical solution that the utility model is taken are：
A kind of DSP tuning systems for vehicle audio include audio signal reception circuit, the audio signal reception electricity
Two-way communication link between road and DSP signal processing circuits, signal output end and the signal of the DSP signal processing circuits filter
The signal input part of amplifying circuit is connected, the letter of the signal output end and signal demodulator circuit of the signal filter amplification circuit
Number input terminal is connected, and the signal output end of the signal demodulator circuit is connected with the signal input part of decoding circuit, DSP letters
Number signal input part of processing circuit is connected with the signal output end of man-machine interactive interface, the DSP signal processing circuits, letter
The signal input part of number filter amplification circuit is connected with the signal output end of relay circuit, the letter of the relay circuit
Number input terminal is connected with the signal output end of power supply circuit；
The signal filter amplification circuit includes radiofrequency signal amplifying unit, frequency mixer, intermediate frequency amplifier, filter, pressure
Control oscillator, I2C control units, intermediate-frequency bandwidth controller, signal input part and the DSP signals of the radiofrequency signal amplifying unit
The signal output end of processing circuit is connected, the signal output end of radiofrequency signal amplifying unit and the signal input part phase of frequency mixer
Connection, the signal output end of the I2C control units is connected by voltage controlled oscillator with the signal input part of frequency mixer, described
The signal output end of frequency mixer is connected with the signal input part of intermediate frequency amplifier, the signal output end of the intermediate frequency amplifier with
The signal input part of filter is connected, the signal output end of the intermediate-frequency bandwidth controller and the signal input part phase of filter
Connection, the signal output end of the filter are connected with the signal input part of signal demodulator circuit.
Preferably, the audio signal reception circuit be usb circuit, SD card interface circuit, blue tooth interface circuit,
AUX interface circuits.
Preferably, the DSP signal processing circuits include DSP processing chips, and the model TI of the DSP processing chips is public
Take charge of the TMS320 family chips of production.
Preferably, the decoding circuit includes decoding chip, the model VS1011 chips of the decoding chip, described
The signal output end of the 30 connection signal detecting circuit of pin of VS1011 chips, the pin 3 of VS1011 chips pass through first resistor
R1 is grounded, and the pin 18 of VS1011 chips is separately connected one end of second resistance R2, one end of the first crystal oscillator Y1 and the first electricity
Hold one end of C1, the pins 17 of the VS1011 chips be separately connected the other end of second resistance R2, the first crystal oscillator Y1 it is another
End and one end of the second capacitance C2, the other end of the first capacitance C1, the other end of the second capacitance C2 are grounded；VS1011
Pin 33, pin 34, pin 9, the pin 10 of chip are separately connected one end of 3rd resistor R3, one end of the 4th resistance R4,
One end of five resistance R5, one end of the 6th resistance R6, the other end of the 3rd resistor R3, the other end of the 4th resistance R4,
The other end of five resistance R5, the other end of the 6th resistance R6 are grounded, and pin 6, pin 14, the pin 19 of VS1011 chips are divided equally
Not Lian Jie one end of third capacitance C3, one end of the 4th capacitance C4, the first inductance L1 one end, the third capacitance C3's is another
It holds, the other end of the 4th capacitance C4 is grounded, the other end connection power supply of the first inductance L1, the difference of pin 46 of VS1011 chips
One end and the left channel signals of the 5th capacitance C5 are connected, the pin 39 of VS1011 chips is separately connected one end of the 6th capacitance C6
And right-channel signals, the other end of the 5th capacitance C5, the other end of the 6th capacitance C6 are grounded, VS1011 chips draw
Foot 45, pin 43, pin 38 respectively connect one end of the 7th capacitance C7, one end of the 8th capacitance C8 and the second inductance L2's
One end, the other end of the 7th capacitance C7, the other end of the 8th capacitance C8 are grounded, and the other end of the second inductance L2 connects
Power supply is connect, the pin 44 of VS1011 chips passes through the 9th capacitance C9 ground connection.
Further, the relay circuit includes identical first relay module of circuit structure and the second relay mould
Block, the base stage of first relay module including the first triode Q1, the first triode Q1 respectively with the 7th resistance R7
One end, the 8th resistance R8 one end be connected, the other end of the 8th resistance R8 is separately connected DSP signal processing circuits
The other end of the signal input part of signal input part, signal filter amplification circuit, the 7th resistance R7 is separately connected the one or three
The collector of the emitter and power supply of pole pipe Q1, the first triode Q1 is separately connected one end of the 9th resistance R9, the tenth
One end of resistance R10, the other end of the 9th resistance R9 connect the base stage of the second triode Q2, the second triode Q2's
Emitter connects the other end of the tenth resistance R10 and ground connection, the collector of the second triode Q2 are separately connected the one or two pole
The anode of pipe D1, one end of electromagnet, the cathode of the first diode D1, the other end of electromagnet are all connected with power supply, described
First relay module further includes and electromagnet matched switch the movable end of the switch and power supply circuit a output
End is connected, and one of switch fixing end is connected with another output end of power supply circuit.
Further, the man-machine interactive interface includes button, infrared remote control, Bluetooth of mobile phone.
Further, the signal demodulator circuit includes detection chip, the model AD637 of the detection chip.
Further, the radiofrequency signal amplifying unit includes signal amplification chip, the model of the signal amplification chip
For OP27GS；The chip model of the frequency mixer is HMC220MS8；The filter is LC filters；The voltage controlled oscillator
Chip model be HMC588LP5.
The beneficial effects of the utility model are：
(1), the utility model include audio signal reception circuit, DSP signal processing circuits, signal filter amplification circuit,
Signal demodulator circuit, decoding circuit, power supply circuit, when this DSP tuning systems are by external environmental interference, decoding circuit output
Audio will not be affected, be still capable of the audio of outputting high quality, and each circuit is integrated on same pcb board,
Therefore the utility model has the advantages of simple structure, small, of low cost.
(2), the DSP signal processing circuits include DSP processing chips, the model TI companies of the DSP processing chips
The TMS320 family chips of production, TMS320 family chips handle signal speed it is fast, it is at low cost, TMS320 family chips and its
The structure of peripheral circuit is simple, is easy to build, and the sound quality of the utility model is good, meets the hearing enjoying of client, due to straight
It connected DSP digital signal processor and carries out tuning, and simplified processing technology, reduce processing cost.
(3), the signal filter amplification circuit includes radiofrequency signal amplifying unit, frequency mixer, intermediate frequency amplifier, filtering
Device, voltage controlled oscillator, I2C control units, intermediate-frequency bandwidth controller can not only carry out power amplification to signal, also can be right
Interference signal or clutter are filtered out, and amplified audio signal is exported by decoding circuit.
Description of the drawings
The content of every width attached drawing expression in the utility model specification and the label in figure are briefly described below：
Fig. 1 is the structure principle chart of the utility model；
Fig. 2 is the schematic diagram of the signal filter amplification circuit of the utility model；
Fig. 3 is the schematic diagram of the decoding circuit of the utility model；
Fig. 4 is the schematic diagram of the relay circuit of the utility model.
Reference numeral meaning in figure is as follows：
10-audio signal reception circuit 20-DSP signal processing circuits
30-signal filter amplification circuit 31-radiofrequency signal amplifying units
32-33-intermediate frequency amplifiers of frequency mixer
34-35-voltage controlled oscillators of filter
36-I2C control unit 37-intermediate-frequency bandwidth controllers
40-signal demodulator 50-decoding circuits of circuit
60-70-relay circuits of power supply circuit
80-the 90-the first power supply circuits of voltage-current converter circuit
100-the second power supply circuit
Specific implementation mode
It is the shape of each component for example involved to specific embodiment of the present utility model, construction, each below against attached drawing
The effect of mutual alignment and connection relation, each section between part and operation principle etc. are described in further detail：
As shown in Figure 1, a kind of DSP tuning systems for vehicle audio include audio signal reception circuit 10, the sound
Two-way communication link between frequency signal receiving circuit 10 and DSP signal processing circuits 20, the letter of the DSP signal processing circuits 20
Number output end is connected with the signal input part of signal filter amplification circuit 30, and the signal of the signal filter amplification circuit 30 is defeated
Outlet is connected with the signal input part of signal demodulator circuit 40, signal output end and the decoding electricity of the signal demodulator circuit 40
The signal input part on road 50 is connected, and the signal input part of DSP signal processing circuits 20 and the signal of man-machine interactive interface export
End is connected, the DSP signal processing circuits 20, signal filter amplification circuit 30 signal input part with relay circuit 70
Signal output end be connected, the signal input part of the relay circuit 70 is connected with the signal output end of power supply circuit 60
It connects.
Specifically, the DSP signal processing circuits 20 include DSP processing chips, the model TI of the DSP processing chips
The TMS320 family chips of company's production；Signal demodulator circuit 40 includes detection chip, the model of the detection chip
AD637, power supply circuit 60 include voltage stabilizing chip, the model LM2940 of the voltage stabilizing chip.
As shown in Fig. 2, the signal filter amplification circuit 30 includes radiofrequency signal amplifying unit 31, frequency mixer 32, intermediate frequency
Amplifier 33, filter 34, voltage controlled oscillator 35, I2C control units 36, intermediate-frequency bandwidth controller 37, the radiofrequency signal are put
The signal input part of big unit 31 is connected with the signal output end of DSP signal processing circuits 20, radiofrequency signal amplifying unit 31
Signal output end be connected with the signal input part of frequency mixer 32, the signal output end of the I2C control units 36 passes through pressure
Control oscillator 35 is connected with the signal input part of frequency mixer 32, signal output end and the intermediate frequency amplifier 33 of the frequency mixer 32
Signal input part be connected, the signal output end of the intermediate frequency amplifier 33 is connected with the signal input part of filter 34,
The signal output end of the intermediate-frequency bandwidth controller 37 is connected with the signal input part of filter 34, the letter of the filter 34
Number output end is connected with the signal input part of signal demodulator circuit 40.
The radiofrequency signal amplifying unit 31 includes signal amplification chip, the model of the signal amplification chip
OP27GS；The chip model of the frequency mixer 32 is HMC220MS8；The filter 34 is LC filters；The voltage controlled oscillation
The chip model of device 35 is HMC588LP5.
The audio signal reception circuit 10 is usb circuit, SD card interface circuit, blue tooth interface circuit, AUX interfaces
Circuit.
The relay circuit 70 plays the role of controlling this DSP tuning system break-makes, the letter of the relay circuit 70
After number input terminal access power supply, switch connection, DSP signal processing circuits 20, signal filter amplification circuit 30 power on, this DSP tune
System for electrical teaching is started to work, this DSP tuning systems are disconnected with power supply completely under idle state, and DSP tuning systems are in work
Just it is connected with power supply in the state of work, avoids the waste of electricity.
As shown in figure 3, the decoding circuit 50 includes decoding chip, the model VS1011 chips of the decoding chip,
The pin 3 of the signal output end of the 30 connection signal detecting circuit 40 of pin of the VS1011 chips, VS1011 chips passes through
One resistance R1 ground connection, the pins 18 of VS1011 chips be separately connected one end of second resistance R2, the first crystal oscillator Y1 one end and
The pin 17 of one end of the first capacitance C1, the VS1011 chips is separately connected the other end of second resistance R2, the first crystal oscillator Y1
The other end and the second capacitance C2 one end, the other end of the first capacitance C1, the other end of the second capacitance C2 are grounded；
Pin 33, pin 34, pin 9, the pin 10 of VS1011 chips be separately connected one end of 3rd resistor R3, the 4th resistance R4 one
End, one end of the 5th resistance R5, the 6th resistance R6 one end, the other end of the 3rd resistor R3, the 4th resistance R4 it is another
End, the other end of the 5th resistance R5, the 6th resistance R6 the other end be grounded, pin 6, pin 14, the pin of VS1011 chips
19 respectively one end of connection third capacitance C3, one end of the 4th capacitance C4, the first inductance L1 one end, the third capacitance C3
The other end, the 4th capacitance C4 the other end be grounded, the other end of the first inductance L1 connects power supply, the pin of VS1011 chips
46 are separately connected one end of the 5th capacitance C5 and left channel signals, and the pin 39 of VS1011 chips is separately connected the 6th capacitance C6
One end and right-channel signals, the other end of the 5th capacitance C5, the other end of the 6th capacitance C6 be grounded, VS1011 cores
Pin 45, pin 43, the pin 38 of piece respectively connect one end of the 7th capacitance C7, one end of the 8th capacitance C8 and the second electricity
Feel one end of L2, the other end of the 7th capacitance C7, the other end of the 8th capacitance C8 are grounded, and the second inductance L2's is another
One end connects power supply, and the pin 44 of VS1011 chips passes through the 9th capacitance C9 ground connection.
The VS1011 chips are the MP3 audio decoders of a monolithic, and chip interior contains high-performance, low-power consumption
DSP core also has RAM memory, 4 GPIO interfaces and an Earphone Amplifier.
As shown in figure 4, the relay circuit 70 includes identical first relay module of circuit structure and the second relay
Device module, first relay module include that the base stage of the first triode Q1, the first triode Q1 is electric with the 7th respectively
One end of one end, the 8th resistance R8 for hindering R7 is connected, and the other end of the 8th resistance R8 is separately connected DSP signal processing electricity
The signal input part on road 20, the signal input part of signal filter amplification circuit 30, the other end of the 7th resistance R7 connect respectively
The emitter and power supply of the first triode Q1 are connect, the collector of the first triode Q1 is separately connected the one of the 9th resistance R9
It holds, one end of the tenth resistance R10, the base stage of the second triode Q2 of other end connection of the 9th resistance R9, the described 2nd 3
The emitter of pole pipe Q2 connects the other end of the tenth resistance R10 and ground connection, the collector of the second triode Q2 are separately connected
The anode of first diode D1, one end of electromagnet, the cathode of the first diode D1, the other end of electromagnet are all connected with electricity
Source, first relay module further include and the matched switch of electromagnet, movable end and the power supply circuit 60 of the switch
An output end be connected, switch one of fixing end be connected with another output end of power supply circuit 60.
The man-machine interactive interface includes button, infrared remote control, Bluetooth of mobile phone.
The power supply circuit 60 is used to provide the power supply of+24V.
To keep technical solutions of the utility model of greater clarity, below by way of a specific embodiment to the utility model
The course of work illustrates.
As shown in Figure 1, after the signal input part access power supply of the relay circuit 70, switch connection, DSP signal processings
Circuit 20, signal filter amplification circuit 30 power on, this DSP tuning systems are started to work, and user's control man-machine interactive interface receives
Signal is controlled, and sends control signals to DSP signal processing circuits 20, DSP signal processing circuits 20 are sent a control signal to
Audio signal reception circuit 10 selects input equipment, the audio signal reception circuit 10 to send a signal to DSP signal processing electricity
Digital signal after audio analog signals are converted into digital signal by DSP signal processing circuits 20, is sent to signal filtering by road 20
Amplifying circuit 30 is amplified, and amplified digital signal, which is sent to signal demodulator circuit 40, carries out detection, and signal is by letter
It is sent to decoding circuit 50 after number 40 detection of detecting circuit and is decoded output, the decoding circuit 50 exports sound, VS1011
The pin 46 of chip exports L channel, and the pin 39 of VS1011 chips exports right channel.
In conclusion the sound quality of the utility model is good, meet the hearing enjoying of client, due to directly believing by DSP numbers
Number processor carries out tuning, simplifies processing technology, reduces processing cost.
The above content is the further descriptions made to the utility model in conjunction with specific preferred embodiment, cannot recognize
Determine specific embodiment of the present utility model and is confined to these explanations.For the common skill of the utility model technical field
For art personnel, the other embodiment obtained in the case where not departing from the technical solution of the utility model should be included in this practicality
In novel protection domain.
Claims (8)
1. a kind of DSP tuning systems for vehicle audio, it is characterised in that：It is described including audio signal reception circuit (10)
Two-way communication link between audio signal reception circuit (10) and DSP signal processing circuits (20), the DSP signal processing circuits
(20) signal output end is connected with the signal input part of signal filter amplification circuit (30), the signal filter amplification circuit
(30) signal output end is connected with the signal input part of signal demodulator circuit (40), the letter of the signal demodulator circuit (40)
Number output end is connected with the signal input part of decoding circuit (50), the signal input part of DSP signal processing circuits (20) and people
The signal output end of machine interactive interface is connected, the DSP signal processing circuits (20), signal filter amplification circuit (30) letter
Number input terminal is connected with the signal output end of relay circuit (70), the signal input part of the relay circuit (70) with
The signal output end of power supply circuit (60) is connected；
The signal filter amplification circuit (30) includes radiofrequency signal amplifying unit (31), frequency mixer (32), intermediate frequency amplifier
(33), filter (34), voltage controlled oscillator (35), I2C control units (36), intermediate-frequency bandwidth controller (37), the radio frequency letter
The signal input part of number amplifying unit (31) is connected with the signal output end of DSP signal processing circuits (20), and radiofrequency signal is put
The signal output end of big unit (31) is connected with the signal input part of frequency mixer (32), the letter of the I2C control units (36)
Number output end is connected by voltage controlled oscillator (35) with the signal input part of frequency mixer (32), the signal of the frequency mixer (32)
Output end is connected with the signal input part of intermediate frequency amplifier (33), the signal output end of the intermediate frequency amplifier (33) and filtering
The signal input part of device (34) is connected, the signal of the signal output end and filter (34) of the intermediate-frequency bandwidth controller (37)
Input terminal is connected, and the signal output end of the filter (34) is connected with the signal input part of signal demodulator circuit (40).
2. a kind of DSP tuning systems for vehicle audio as described in claim 1, it is characterised in that：The audio signal
Receiving circuit (10) is usb circuit, SD card interface circuit, blue tooth interface circuit, AUX interface circuits.
3. a kind of DSP tuning systems for vehicle audio as claimed in claim 2, it is characterised in that：At the DSP signals
It includes DSP processing chips to manage circuit (20), the TMS320 family chips of the model TI companies production of the DSP processing chips.
4. a kind of DSP tuning systems for vehicle audio as claimed in claim 3, it is characterised in that：The decoding circuit
(50) include decoding chip, the model VS1011 chips of the decoding chip, the connection letter of pin 30 of the VS1011 chips
The signal output end of number detecting circuit (40), the pin 3 of VS1011 chips are grounded by first resistor R1, and VS1011 chips draw
Foot 18 is separately connected one end of one end of second resistance R2, one end of the first crystal oscillator Y1 and the first capacitance C1, the VS1011
The pin 17 of chip be separately connected the other end of second resistance R2, the other end of the first crystal oscillator Y1 and the second capacitance C2 one
End, the other end of the first capacitance C1, the other end of the second capacitance C2 are grounded；The pins 33 of VS1011 chips, pin 34,
Pin 9, pin 10 are separately connected one end of 3rd resistor R3, one end of the 4th resistance R4, one end of the 5th resistance R5, the 6th electricity
Hinder one end of R6, the other end of the 3rd resistor R3, the other end of the 4th resistance R4, the other end of the 5th resistance R5, the 6th
The other end of resistance R6 is grounded, and pin 6, pin 14, the pin 19 of VS1011 chips respectively connect the one of third capacitance C3
End, one end of the 4th capacitance C4, the first inductance L1 one end, the other end of the third capacitance C3, the 4th capacitance C4 it is another
End is grounded, and the other end of the first inductance L1 connects power supply, and the pin 46 of VS1011 chips is separately connected the one of the 5th capacitance C5
End and left channel signals, the pin 39 of VS1011 chips are separately connected one end and the right-channel signals of the 6th capacitance C6, institute
The other end of the other end, the 6th capacitance C6 of stating the 5th capacitance C5 is grounded, pin 45, pin 43, the pin of VS1011 chips
38 respectively connect one end, one end of the 8th capacitance C8 and one end of the second inductance L2 of the 7th capacitance C7, the 7th electricity
The other end of the other end, the 8th capacitance C8 that hold C7 is grounded, and the other end of the second inductance L2 connects power supply, VS1011 cores
The pin 44 of piece passes through the 9th capacitance C9 ground connection.
5. a kind of DSP tuning systems for vehicle audio as claimed in claim 4, it is characterised in that：The relay electricity
Road (70) includes identical first relay module of circuit structure and the second relay module, and first relay module includes
The base stage of first triode Q1, the first triode Q1 respectively with one end of the 7th resistance R7, one end phase of the 8th resistance R8
Connection, the other end of the 8th resistance R8 is separately connected the signal input part of DSP signal processing circuits (20), signal filtering is put
The signal input part of big circuit (30), the other end of the 7th resistance R7 be separately connected the first triode Q1 emitter and
Power supply, the collector of the first triode Q1 be separately connected one end of the 9th resistance R9, the tenth resistance R10 one end, it is described
The other end of 9th resistance R9 connects the base stage of the second triode Q2, and the emitter of the second triode Q2 connects the tenth resistance
The other end of R10 and ground connection, the collector of the second triode Q2 are separately connected the anode of the first diode D1, electromagnet
One end, the cathode of the first diode D1, the other end of electromagnet are all connected with power supply, and first relay module further includes
With the matched switch of electromagnet, the movable end of the switch is connected with an output end of power supply circuit (60), switch
One of fixing end is connected with another output end of power supply circuit (60).
6. a kind of DSP tuning systems for vehicle audio as claimed in any one of claims 1 to 5, wherein, it is characterised in that：Institute
It includes button, infrared remote control, Bluetooth of mobile phone to state man-machine interactive interface.
7. a kind of DSP tuning systems for vehicle audio as claimed in claim 6, it is characterised in that：The signal demodulator
Circuit (40) includes detection chip, the model AD637 of the detection chip.
8. a kind of DSP tuning systems for vehicle audio as claimed in claim 7, it is characterised in that：The radiofrequency signal
Amplifying unit (31) includes signal amplification chip, the model OP27GS of the signal amplification chip；The frequency mixer (32)
Chip model is HMC220MS8；The filter (34) is LC filters；The chip model of the voltage controlled oscillator (35) is
HMC588LP5。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820355480.7U CN207995368U (en) | 2018-03-15 | 2018-03-15 | A kind of DSP tuning systems for vehicle audio |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820355480.7U CN207995368U (en) | 2018-03-15 | 2018-03-15 | A kind of DSP tuning systems for vehicle audio |
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| Publication Number | Publication Date |
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| CN207995368U true CN207995368U (en) | 2018-10-19 |
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ID=63828059
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| CN201820355480.7U Expired - Fee Related CN207995368U (en) | 2018-03-15 | 2018-03-15 | A kind of DSP tuning systems for vehicle audio |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110550211A (en) * | 2019-09-04 | 2019-12-10 | 深圳市富斯科技有限公司 | Unmanned aerial vehicle |
-
2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110550211A (en) * | 2019-09-04 | 2019-12-10 | 深圳市富斯科技有限公司 | Unmanned aerial vehicle |
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Address after: 201, floor 2, block 4, No. 18, Qinggong Third Road, Chancheng District, Foshan City, Guangdong Province Patentee after: Guangdong Yibao Technology Co.,Ltd. Address before: 510000, 2, 1, Pearl Road, Xiao Gang, Yuncheng street, Baiyun District, Guangzhou, Guangdong. Patentee before: GUANGZHOU YIBAO TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20181019 |