CN104602181B - A kind of on-vehicle Bluetooth call method and device - Google Patents
A kind of on-vehicle Bluetooth call method and device Download PDFInfo
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- CN104602181B CN104602181B CN201510051834.XA CN201510051834A CN104602181B CN 104602181 B CN104602181 B CN 104602181B CN 201510051834 A CN201510051834 A CN 201510051834A CN 104602181 B CN104602181 B CN 104602181B
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Abstract
The present invention, which provides a kind of on-vehicle Bluetooth call method and device, wherein method, to be included：Obtain call and establish information, the call establishes information and is used to represent that the communicating terminal of local terminal Bluetooth pairing establishes voice channel with opposite end；Information of voice prompt is sent to communicating terminal by on-vehicle Bluetooth module, to cause the communicating terminal to send information of voice prompt to opposite end by the voice channel, the information of voice prompt is used to prompt opposite end local terminal to be in on-vehicle Bluetooth call mode.The present invention improves the privacy protection function of on-vehicle Bluetooth call.
Description
Technical field
The present invention relates to on-vehicle Bluetooth technology, more particularly to a kind of on-vehicle Bluetooth call method and device.
Background technology
Because on-vehicle Bluetooth system enables to user not have to directly contact mobile phone, it is possible to dial and receive calls, carry
The security that high user drives, the on-vehicle Bluetooth system are widely used.But user is entered using on-vehicle Bluetooth
During row call, typically by the outside speaker of on-vehicle Bluetooth system by the broadcasting for carrying out hands-free form of conversing, the seating on car
People can hear dialog context, if dialog context is related to the content of some privacies, user may be not intended to be heard by stranger, this
A little factors also become a restrictive condition of on-vehicle Bluetooth system development, therefore user may be carried out without using on-vehicle Bluetooth
Call.
The content of the invention
In view of this, the present invention provides a kind of on-vehicle Bluetooth call method and device, to improve the hidden of on-vehicle Bluetooth call
Private defencive function.
Specifically, the present invention is achieved through the following technical solutions：
First aspect, there is provided a kind of on-vehicle Bluetooth call method, including：
Obtain call and establish information, communicating terminal and the opposite end that information is used to represent local terminal Bluetooth pairing are established in the call
Establish voice channel；
Information of voice prompt is sent to the communicating terminal by on-vehicle Bluetooth module, to cause the communicating terminal to lead to
Cross the voice channel to send information of voice prompt to opposite end, the information of voice prompt is used to prompt opposite end local terminal to be in car
Carry bluetooth conversation pattern.
Second aspect, there is provided a kind of on-vehicle Bluetooth communicator, including：
Data obtaining module, information is established for obtaining call, the call establishes information and is used to represent that local terminal bluetooth is matched somebody with somebody
To communicating terminal and opposite end establish voice channel；
Voice sending module, for information of voice prompt to be sent to the communicating terminal by on-vehicle Bluetooth module, with
So that the communicating terminal is sent information of voice prompt to opposite end by the voice channel, the information of voice prompt is used for
Prompting opposite end local terminal is in on-vehicle Bluetooth call mode.
The on-vehicle Bluetooth call method and device of the embodiment of the present invention, by sending voice message to the opposite end of voice channel
Information so that opposite end can know that local terminal is in on-vehicle Bluetooth call mode, so as to pay attention to the secret protection of call, improve car
Carry the privacy protection function of bluetooth conversation.
Brief description of the drawings
Fig. 1 is the application scenario diagram of on-vehicle Bluetooth call method provided in an embodiment of the present invention；
Fig. 2 is the flow chart of on-vehicle Bluetooth call method provided in an embodiment of the present invention；
Fig. 3 is the principle schematic one of on-vehicle Bluetooth call method provided in an embodiment of the present invention；
Fig. 4 is that button provided in an embodiment of the present invention sets schematic diagram；
Fig. 5 is the principle schematic two of on-vehicle Bluetooth call method provided in an embodiment of the present invention；
Fig. 6 is the principle schematic three of on-vehicle Bluetooth call method provided in an embodiment of the present invention；
Fig. 7 is a kind of structural representation of on-vehicle Bluetooth communicator provided in an embodiment of the present invention；
Fig. 8 is the structural representation of another on-vehicle Bluetooth communicator provided in an embodiment of the present invention.
Embodiment
Fig. 1 illustrates a kind of optional application scenarios of the on-vehicle Bluetooth call method of the embodiment of the present application, and user can be
In-car installation on-vehicle Bluetooth terminal, the on-vehicle Bluetooth terminal are matched somebody with somebody by the communicating terminal of the interior on-vehicle Bluetooth system set and user
Close, realize that user answers or called without hand-held communication terminal can.Wherein, described communicating terminal, such as can be with
It is mobile terminal (e.g., mobile phone), or can also be the equipment such as the car phone with bluetooth communication module, in following examples
In, the on-vehicle Bluetooth call method of the application will be illustrated by taking mobile phone as an example, other carry the communication of bluetooth communication module
Terminal can also use this method.
With reference to Fig. 1, the principle of the application scenarios under briefly describing：On-vehicle Bluetooth system can include on-vehicle Bluetooth module
(being, for example, Bluetooth chips), coding/decoding module (Codec), speech reception module (MIC), the outer amplification module of voice
(Speaker) and controller (for example, micro-control unit Micro Control Unit, MCU) etc., and on-vehicle Bluetooth module is passed through
Bluetooth pairing is carried out with the mobile phone of user, that is, establishes Bluetooth communication connection.So, establish and converse with " opposite end " when the mobile phone of user
When connecting and being conversed, dialog context can by above-mentioned Bluetooth communication be connected to user mobile phone and on-vehicle Bluetooth system it
Between transmit.
The downflow (shown in dotted arrow) answered referring to the opposite end voice transfer of Fig. 1 examples to local terminal in-car user,
End signal is transmitted to user mobile phone, then by user mobile phone Bluetooth transmission to on-vehicle Bluetooth terminal, and pass through on-vehicle Bluetooth terminal
After interior coding/decoding module is decoded, played by amplification module outside voice, user's can hears the dialog context of opposite end.Join again
As Fig. 1 examples local terminal in-car user voice transfer to the upflow (shown in dotted arrows) of opposite end, user is directly in car
Interior speech, speech content can be obtained by the speech reception module of on-vehicle Bluetooth terminal, and after coding/decoding module encodes, then by
On-vehicle Bluetooth module Bluetooth transmission to user mobile phone, user mobile phone is transmitted to opposite end by operator base station again.In addition, vehicle-mounted indigo plant
Controller in tooth system can be used for the work for controlling other modules, for example, control on-vehicle Bluetooth module and mobile terminal
Bluetooth pairing establishes process etc..
On this basis, the on-vehicle Bluetooth call method of the embodiment of the present application is described.The present embodiment is to vehicle-mounted in Fig. 1
Bluetooth system is improved, and specifically on the basis of above-mentioned up-downgoing flow, a part has been increased newly for on-vehicle Bluetooth system
Function logic, the implementation of the what's new logic, such as can be realized by way of executable logical order, by
Controller calls and performs the logical order so as to realize the on-vehicle Bluetooth call method of the present embodiment；Or it can also combine hard
Part improves and software logic, and is realized jointly with the modules of on-vehicle Bluetooth system, and the present embodiment is not limited, only
On-vehicle Bluetooth system can be caused to be able to carry out the on-vehicle Bluetooth call method of the present embodiment.
Fig. 2 illustrates the flow chart of on-vehicle Bluetooth call method provided in an embodiment of the present invention, including：
201st, obtain call and establish information, the call establish information be used to representing the communicating terminal of local terminal Bluetooth pairing with
Voice channel is established in opposite end；
202nd, information of voice prompt is sent to the communicating terminal by on-vehicle Bluetooth module, to cause the communication eventually
End is sent information of voice prompt to opposite end by the voice channel, and the information of voice prompt is used to prompt at the local terminal of opposite end
In on-vehicle Bluetooth call mode.
Wherein, in step 201, on-vehicle Bluetooth system gets call and establishes information, refers to on-vehicle Bluetooth system sense
Know that the call connection of the customer mobile terminal in Fig. 1 and opposite end has built up.Exemplified by being called by opposite end to local terminal, user
When hearing the incoming call of opposite end but not answering, user mobile phone does not set up call connection also with opposite end, and call connection here refers to
Be the data channel that can transmit voice foundation；Only when user has answered the incoming call of opposite end, user mobile phone and opposite end
Call connection be just considered to set up.Equally, when user calls to opposite end, and in opposite end local terminal has been answered
Just think that the call for setting up both ends connects during incoming call.Therefore, the on-vehicle Bluetooth system in this step obtains call and establishes information,
Refer to that on-vehicle Bluetooth system learns the call connection of local terminal and opposite end it has been established that when call is established, " opposite end --- local terminal
This data path of the on-vehicle Bluetooth module of the mobile terminal of user --- Bluetooth pairing " is also established, can be on this path
Transmission of speech signals, it is properly termed as setting up voice channel.
In specific implementation, on-vehicle Bluetooth system obtain call establish information mode can have it is a variety of.With what is received calls
Exemplified by scene, on-vehicle Bluetooth system can be the information for obtaining the call request that mobile terminal receives opposite end；Such as when opposite end is come
When electric, incoming information can be transmitted to on-vehicle Bluetooth terminal by user mobile phone to be shown and prompts user, also, on-vehicle Bluetooth
Terminal can be provided with one " answering button ", and can directly press this when user will receive calls answers button, then
When user presses the button, on-vehicle Bluetooth system can gets the information that user receives the call request of opposite end, i.e. system
Learn that user has answered phone.Then, after above-mentioned on-vehicle Bluetooth system be able to will receive calls knowing user, indigo plant will be passed through
Tooth passage sends answer command to the mobile phone of user, and mobile phone receives and establishes process by start to start voice channel after the instruction
(for example calling the power function for performing and being used for establishing passage), establishes the voice channel with opposite end.
Again exemplified by calling, on-vehicle Bluetooth system can obtain the call request that opposite end receives customer mobile terminal
Information；For example when the phone of user has been answered in opposite end, user mobile phone has perception (for example get and receive feedback notification),
And the perception information can be transmitted by bluetooth connection to on-vehicle Bluetooth system, on-vehicle Bluetooth system can also know the language with opposite end
Sound passage has built up.
In step 202, information of voice prompt can be passed through vehicle-mounted indigo plant by on-vehicle Bluetooth system after voice channel foundation
Tooth module is sent to the mobile terminal.Specifically, the on-vehicle Bluetooth call method of the present embodiment will realize " the use of prompting opposite end
Family, local terminal are in on-vehicle Bluetooth call mode ", the user of the such opposite end can when being conversed with local terminal pays attention to dialog context
And the tone, in order to avoid exposure privacy.And the present embodiment prompting peer user mode, be exactly step 201 call establish after, to
Opposite end carries out voice message, such as to opposite end play cuing voice " current talking is in vehicle Bluetooth hand-free system pattern ".This implementation
The suggestion voice played to opposite end is referred to as " information of voice prompt " by example, but is not intended to limit the specific interior of the information of voice prompt
Hold, for example can also be the tinkle of bells of specific meanings, or other voice prompts.
In the present embodiment, information of voice prompt can be stored in advance in on-vehicle Bluetooth system, for example be stored in and control
In the memory of device connection processed.Dotted arrows shown in Figure 3, after on-vehicle Bluetooth system, which gets call, establishes information,
The call of local terminal and opposite end is learnt it has been established that then obtaining information of voice prompt from memory, and information of voice prompt is sent out
Coding/decoding module is sent to, the speech processes before being transmitted by coding/decoding module；Controller can also indicate that coding/decoding module will be located
Information of voice prompt after reason is sent to on-vehicle Bluetooth module, then is believed voice message by Bluetooth channels by on-vehicle Bluetooth module
Breath sends to the mobile terminal of user, the mobile terminal of end user and sends information of voice prompt to opposite end by voice channel
Play out.
It can be seen that the on-vehicle Bluetooth call method of the present embodiment, for traditional on-vehicle Bluetooth talking mode, be
After voice channel is established, it is also necessary to information of voice prompt is transmitted to opposite end, to prompt opposite end to be currently at on-vehicle Bluetooth call mould
Formula, and the prompt message is transmitted in the not oriented opposite end of traditional approach.For example, the language can be sent at once after voice channel foundation
Sound prompt message, i.e., after voice channel is established and opposite end starts to send before transmission dialog context, so can be at utmost
Protection privacy.
In another embodiment, on-vehicle Bluetooth system sends information of voice prompt, can pre-set, and gives tacit consent to
The information of voice prompt is sent when call is established；Or in order to provide the user with the space of unrestricted choice, on-vehicle Bluetooth system
Information of voice prompt can be retransmited when receiving vehicle-mounted hint instructions, the vehicle-mounted hint instructions are used to indicate to send out to opposite end
Sending voice prompt message.
Fig. 4 illustrates a kind of sending method of optional vehicle-mounted hint instructions, as shown in figure 4, show several logics by
Button, including：" answering ", " refusing to listen ", " prompting is answered ", " dialing ", " prompting is dialed ".First, logical button is to refer to from patrolling
The upper button distinguished is collected, but its physical form is not necessarily separated；Such as above-mentioned several buttons, it is exactly several lists
Only physical button, i.e., in on-vehicle Bluetooth terminal be provided with five respectively with above-mentioned corresponding physical button, or, above-mentioned is several
Individual button physically from the point of view of quantity be less than five, such as, " answering " and " prompting is answered " in fact correspond to a physical button,
It is to be distinguished by pressing the length of time, length is when just unclamping within 1 second, to represent " answering " logical button when a button is depressed,
It can be used for pickup feature, length is when unclamping within 3 seconds, to represent " prompting is answered " button, can be used for prompting when a button is depressed
Pickup feature.
Above-mentioned several logical buttons can be connected with controller, and accordingly, instruction corresponding to button also can be by
Controller is got；By taking " answering " logical button as an example, when user, which have selected, answers logical button, controller can be got
Indicate corresponding to the button, that is, know that user will answer opposite end incoming call, during specific implementation, for example can be, when button is pressed,
Button circuit sends high level " 1 " to controller, represents that the button has been chosen, can also be other embodiment certainly, no
It is described in detail again.In the present embodiment, " prompting is answered " and " prompting is dialed " is two buttons newly increased, wherein, " prompting is answered " is used
In two layers of information of notification controller, one layer of information is that user will answer opposite end incoming call, and another layer of information is will when call is established
Information of voice prompt is sent to opposite end.Equally, " prompting is dialed " dials opposite end phone for notification controller, and to termination
Information of voice prompt is sent when being established voice channel by call to opposite end.When the two buttons are pressed, controller can
To receive the vehicle-mounted hint instructions sent by the button, and the flow after Path Setup shown in execution Fig. 3.
Optionally, " prompting is answered " and " prompting is dialed " the two buttons, can also set wherein any one；Such as
" prompting is answered " button is only set, and now possible user only wants to prompt opposite end to be currently at vehicle-mounted indigo plant when answering opposite end phone
Tooth pattern；Or " prompting is dialed " button is only set, now possible user only wants to prompt opposite end to work as when dialing opposite end phone
It is preceding to be in on-vehicle Bluetooth pattern.After have selected these buttons, for phone when connecting, opposite end will hear information of voice prompt first
Such as " current talking is in vehicle Bluetooth hand-free system pattern ", by prompting, opposite end can adjust the content of call, tone etc., from
And the privacy for protecting user to be conversed with opposite end.
In yet another embodiment, on-vehicle Bluetooth system is sending information of voice prompt to shifting by on-vehicle Bluetooth module
When moving terminal, and being sent by mobile terminal to opposite end, the voice outer playing function and phonetic incepting function of local terminal can be stopped.Such as
It is shown in Figure 5, when converse establish after, controller can notify coding/decoding module first so that coding/decoding module cut off its with
Path between voice outer playing function and phonetic incepting function, stopping voice outer playing function will prevent the voice of opposite end from by car
Interior people hears, stops phonetic incepting function and will not be received the speech for causing vehicle occupant by opposite end；Then controller is again by language
Sound prompt message is sent to coding/decoding module, and information of voice prompt is sent to on-vehicle Bluetooth module, led to by instruction coding/decoding module
On-vehicle Bluetooth module transfer is crossed to user mobile phone until opposite end.At the end of in opposite end, information of voice prompt is played, encoding and decoding mould
Block recovers the voice outer playing function and phonetic incepting function of local terminal again, put and receive outside normal voice.
It is above-mentioned by the voice outer playing function of local terminal and the mode of phonetic incepting function stop, it is ensured that opposite end carries to voice
Show effectively answering for information, and can more effectively protect call privacy.Such as, it is assumed that when call is established, although at once
Play voice message, but still be possible to opposite end it is too impatient to wait start to talk, if the voice outer playing function of local terminal does not have
It is stopped, it would be possible to cause privacy to expose；In addition, for local terminal, if the phonetic incepting function of local terminal is not stopped,
So opposite end may not only hear information of voice prompt, it is also possible to hear that the in-car brouhaha of local terminal, or even the brouhaha influence
Audibility of the opposite end to information of voice prompt.Therefore, above-mentioned function stop can be protected more effectively to a certain extent
Protect privacy.
In yet another embodiment, in order to realize above-mentioned same effect, can also incited somebody to action by the way of shown in Fig. 6
When information of voice prompt is sent to mobile terminal by on-vehicle Bluetooth module, the voice that on-vehicle Bluetooth system can stop local terminal connecing
Function is received, and the information of voice prompt is played by voice outer playing function, and at the end of the information of voice prompt plays
Recover the phonetic incepting function of local terminal.That is, opposite end, while information of voice prompt is listened to, the in-car people of local terminal also may be used
To listen to the information of voice prompt simultaneously, simultaneously because broadcasting of the local terminal to information of voice prompt occupies amplification module outside voice,
Opposite end will not also be listened to even if speech by local terminal, can play a part of protecting privacy.
In order to realize above-mentioned on-vehicle Bluetooth call method, the embodiment of the present application additionally provides a kind of on-vehicle Bluetooth call dress
Put, the device is arranged in on-vehicle Bluetooth system so that on-vehicle Bluetooth system is able to carry out above-mentioned on-vehicle Bluetooth call method.Such as
Shown in Fig. 7, the device can include：Data obtaining module 71 and voice sending module 72；Wherein,
Data obtaining module 71, information is established for obtaining call, the call establishes information and is used to represent local terminal bluetooth
The communicating terminal of pairing establishes voice channel with opposite end；
Voice sending module 72, for information of voice prompt to be sent to the communicating terminal by on-vehicle Bluetooth module,
To cause the communicating terminal to send information of voice prompt to opposite end by the voice channel, the information of voice prompt is used
On-vehicle Bluetooth call mode is in prompting opposite end local terminal.
Further, as shown in figure 8, the device can also include：Command reception module 73 and speech control module 74；
Command reception module 73, for receiving vehicle-mounted hint instructions, the vehicle-mounted hint instructions are used to indicate to send out to opposite end
Sending voice prompt message.For example, when button is answered in the prompting that user is pressed in on-vehicle Bluetooth terminal, it is believed that vehicle-mounted indigo plant
Tooth system have received vehicle-mounted hint instructions.
Speech control module 74, for sending out information of voice prompt by on-vehicle Bluetooth module in the voice sending module
When delivering to communicating terminal, stop the voice outer playing function and phonetic incepting function of local terminal, and broadcast information of voice prompt in opposite end
Recover the voice outer playing function and phonetic incepting function of the local terminal at the end of putting.
Or speech control module 74, for information of voice prompt to be passed through into on-vehicle Bluetooth in the voice sending module
When module is sent to communicating terminal, stop the phonetic incepting function of local terminal, and the voice is played by voice outer playing function and carried
Show information, and recover the phonetic incepting function of local terminal at the end of the information of voice prompt plays.The language of above-mentioned stopping local terminal
The mode of sound outer playing function and phonetic incepting function, it will be more capable of and opposite end is effectively ensured clearly hears information of voice prompt, and
And the vehicle-mounted conversation content of local terminal will not be heard by opposite end, local terminal will not also hear the speech of opposite end, further improve privacy and protect
Protective function.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements done etc., should be included within the scope of protection of the invention with principle.
Claims (8)
- A kind of 1. on-vehicle Bluetooth call method, it is characterised in that including：Obtain call and establish information, the call establishes information and is used to represent that the communicating terminal of local terminal Bluetooth pairing is established with opposite end Voice channel；Information of voice prompt is sent to the communicating terminal by on-vehicle Bluetooth module, to cause the communicating terminal to pass through institute State voice channel to send information of voice prompt to opposite end, the information of voice prompt is used to prompt opposite end local terminal to be in vehicle-mounted indigo plant Tooth call mode；When information of voice prompt is sent to the communicating terminal by on-vehicle Bluetooth module, played by voice outer playing function The information of voice prompt, or, stop the voice outer playing function of local terminal, and the information of voice prompt is played in opposite end and terminated The voice outer playing function of local terminal described in Shi Huifu.
- 2. according to the method for claim 1, it is characterised in that information is established in the acquisition call, including：Obtain described logical News terminal receives the information of the call request of opposite end, or, obtain the information that opposite end receives the call request of the communicating terminal.
- 3. according to the method for claim 1, it is characterised in that described to send out information of voice prompt by on-vehicle Bluetooth module The communicating terminal is delivered to, is also included before：Vehicle-mounted hint instructions are received, the vehicle-mounted hint instructions are used to indicate to send information of voice prompt to opposite end.
- 4. according to the method for claim 3, it is characterised in that the vehicle-mounted hint instructions of reception, including：Receive by patrolling Collect the vehicle-mounted hint instructions that button is sent.
- 5. according to the method for claim 1, it is characterised in that also include：When information of voice prompt is sent to the communicating terminal by on-vehicle Bluetooth module, stop the phonetic incepting work(of local terminal Can, and recover the phonetic incepting function of the local terminal at the end of the information of voice prompt is played in opposite end.
- A kind of 6. on-vehicle Bluetooth communicator, it is characterised in that including：Data obtaining module, information is established for obtaining call, the call establishes information and is used to represent local terminal Bluetooth pairing Communicating terminal establishes voice channel with opposite end；Voice sending module, for information of voice prompt to be sent to the communicating terminal by on-vehicle Bluetooth module, to cause The communicating terminal is sent information of voice prompt to opposite end by the voice channel, and the information of voice prompt is used to prompt Opposite end local terminal is in on-vehicle Bluetooth call mode；Speech control module, for sending information of voice prompt to logical by on-vehicle Bluetooth module in the voice sending module When interrogating terminal, the information of voice prompt is played by voice outer playing function, or, stops the voice outer playing function of local terminal, and Recover the voice outer playing function of the local terminal at the end of information of voice prompt is played in opposite end.
- 7. device according to claim 6, it is characterised in that also include：Command reception module, for receiving vehicle-mounted hint instructions, the vehicle-mounted hint instructions are used to indicate to send voice to opposite end Prompt message.
- 8. device according to claim 6, it is characterised in thatThe speech control module, it is additionally operable to send out information of voice prompt by on-vehicle Bluetooth module in the voice sending module When delivering to communicating terminal, stop the phonetic incepting function of local terminal, and recover institute at the end of information of voice prompt is played in opposite end State the phonetic incepting function of local terminal.
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105897530B (en) * | 2016-06-15 | 2018-12-28 | 北京云知声信息技术有限公司 | Voice-based smart home device entirety control method, system and device |
| CN106941514A (en) * | 2017-01-22 | 2017-07-11 | 斑马信息科技有限公司 | Communication control method, communication control unit, mobile unit and transport facility |
| CN109733293A (en) * | 2018-12-14 | 2019-05-10 | 江苏辰汉电子科技有限公司 | A kind of novel on-vehicle intelligent end device for supporting speech recognition |
| CN112449320A (en) * | 2019-09-05 | 2021-03-05 | 宝能汽车集团有限公司 | Voice call method, car machine, terminal equipment and voice call system |
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Address after: Room 301-1, Room 301-3, Area B2, Animation Building, No. 126 Animation Road, Zhongxin Eco-city, Tianjin Binhai New Area, Tianjin Patentee after: LE SHI ZHI XIN ELECTRONIC TECHNOLOGY (TIANJIN) Ltd. Address before: 300453 Tianjin Binhai New Area, Tianjin Eco-city, No. 126 Animation and Animation Center Road, Area B1, Second Floor 201-427 Patentee before: Xinle Visual Intelligent Electronic Technology (Tianjin) Co.,Ltd. Address after: 300453 Tianjin Binhai New Area, Tianjin Eco-city, No. 126 Animation and Animation Center Road, Area B1, Second Floor 201-427 Patentee after: Xinle Visual Intelligent Electronic Technology (Tianjin) Co.,Ltd. Address before: 300467 Tianjin Binhai New Area, ecological city, animation Middle Road, building, No. two, B1 District, 201-427 Patentee before: LE SHI ZHI XIN ELECTRONIC TECHNOLOGY (TIANJIN) Ltd. |
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Effective date of registration: 20210201 Granted publication date: 20180209 |