CN111506214A - Vehicle-mounted projection implementation method and device - Google Patents
Vehicle-mounted projection implementation method and device Download PDFInfo
- Publication number
- CN111506214A CN111506214A CN202010208448.8A CN202010208448A CN111506214A CN 111506214 A CN111506214 A CN 111506214A CN 202010208448 A CN202010208448 A CN 202010208448A CN 111506214 A CN111506214 A CN 111506214A
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- vehicle
- biological characteristic
- information
- characteristic information
- mobile terminal
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000008859 change Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
- B60R11/0229—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for displays, e.g. cathodic tubes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/3147—Multi-projection systems
Abstract
The invention provides a vehicle-mounted projection implementation method and a device, wherein the vehicle-mounted projection implementation method is applied to a vehicle-mounted terminal and comprises the following steps: obtaining the biological characteristic information of drivers and passengers in the vehicle; when the biological characteristic information is matched with the preset biological characteristic information, automatically establishing a connection relation with the mobile terminal corresponding to the preset biological characteristic information; and receiving and displaying the multimedia information sent by the mobile terminal. The vehicle-mounted projection implementation method and the vehicle-mounted projection implementation device can automatically establish the connection relation between the vehicle-mounted terminal and the mobile terminal of the driver and the passenger according to the biological characteristic information of the driver and the passenger, and display the multimedia information sent by the mobile terminal.
Description
Technical Field
The invention relates to the technical field of information sharing, in particular to a vehicle-mounted projection implementation method and device.
Background
With the development of communication terminal technology, data sharing between a vehicle-mounted terminal and a mobile terminal is more and more favored by people.
In the prior art, a vehicle-mounted projection method generally includes that a user manually inputs a connection password of a wireless hotspot established by a vehicle-mounted terminal at the mobile terminal so that the mobile terminal is connected to the vehicle-mounted terminal. In the prior art, the vehicle-mounted terminal cannot be automatically connected with the mobile terminal of the user according to the user information and can perform projection.
Therefore, a method and an apparatus for implementing vehicle-mounted projection are needed to solve the above problems.
Disclosure of Invention
The invention solves the technical problem of providing a vehicle-mounted projection implementation method and a vehicle-mounted projection implementation device, which can automatically establish the connection relation between a vehicle-mounted terminal and a mobile terminal of a driver and a passenger according to the biological characteristic information of the driver and the passenger, and display multimedia information sent by the mobile terminal.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
a vehicle-mounted projection implementation method is applied to a vehicle-mounted terminal and comprises the following steps: obtaining the biological characteristic information of drivers and passengers in the vehicle; when the biological characteristic information is matched with the preset biological characteristic information, automatically establishing a connection relation with the mobile terminal corresponding to the preset biological characteristic information; and receiving and displaying the multimedia information sent by the mobile terminal.
In a preferred embodiment of the present invention, the step of obtaining the biometric information of the occupant in the vehicle includes: acquiring pressure data information acquired by a pressure sensor; comparing the pressure data information with standard pressure data; and if the change value of the data information exceeds a threshold value, determining that a driver sits on the seat corresponding to the pressure sensor, wherein the sensors are arranged on the base of the seat, and the number of the sensors is consistent with the seat number of the vehicle.
In a preferred embodiment of the present invention, the step of obtaining the biometric information of the occupant in the vehicle includes: and setting the biological characteristic information of the driver and the passengers, which is acquired in advance, as preset biological characteristic information, and storing the preset biological characteristic information in a database.
In a preferred embodiment of the present invention, the step of obtaining the biometric information of the occupant in the vehicle includes: the method comprises the steps of establishing a connection relation between a mobile terminal of a driver and a vehicle-mounted terminal in advance, and storing mobile terminal information into a database.
In a preferred embodiment of the present invention, the step of obtaining the biometric information of the occupant in the vehicle includes: and establishing an incidence relation between the mobile terminal information and the preset biological characteristic information.
In a preferred embodiment of the present invention, the step of automatically establishing a connection relationship with the mobile terminal corresponding to the preset biometric information when the biometric information matches the preset biometric information includes: and when the biological characteristic information is not matched with the preset biological characteristic information, displaying identification failure information.
In a preferred embodiment of the present invention, the step of receiving and displaying the multimedia information sent by the mobile terminal includes: acquiring the position information of the driver and the passengers according to the biological characteristic information; if the driver and the passenger are at the copilot position, the multimedia information is sent to a display screen at the copilot position for displaying; and if the driver and the passenger are at the back seat position, the multimedia information is sent to a display screen at the back seat position for display.
In a preferred embodiment of the present invention, the step of receiving and displaying the multimedia information sent by the mobile terminal includes: the biometric information comprises first biometric information and second biometric information; if the first biological characteristic information is matched with first projector biological characteristic information in preset biological characteristic information and the second biological characteristic information is matched with second projector biological characteristic information in the preset biological characteristic information, acquiring the projection priority level of the first projector biological characteristic information and the second projector biological characteristic information; if the priority level of the first projector biological characteristic information is high and only one display screen is arranged on the vehicle-mounted terminal, the multimedia information sent by the mobile terminal corresponding to the first projector biological characteristic information is sent to the display screen for displaying; and if the priority level of the second projector biological characteristic information is high and only one display screen is arranged on the vehicle-mounted terminal, sending the multimedia information sent by the mobile terminal corresponding to the second projector biological characteristic information to the display screen for displaying.
In a preferred embodiment of the present invention, the step of receiving and displaying the multimedia information sent by the mobile terminal comprises: if only one projection display screen is arranged on the vehicle-mounted terminal and is connected with the plurality of mobile terminals, receiving a voice switching instruction; and switching the mobile terminal projected onto the projection display screen according to the voice switching instruction.
An in-vehicle projection apparatus comprising: a memory, a processor; the memory is used for storing an application program; the processor is used for applying the application program to execute the following steps: the method comprises the steps that a vehicle-mounted terminal obtains biological characteristic information of a driver and a passenger in a vehicle; when the biological characteristic information is matched with the preset biological characteristic information, the vehicle-mounted terminal automatically establishes a connection relation with the mobile terminal corresponding to the preset biological characteristic information; and the vehicle-mounted terminal receives and displays the multimedia information sent by the mobile terminal.
The technical effect achieved by adopting the technical scheme is as follows: the vehicle-mounted terminal can automatically establish a connection relation with the mobile terminal of the driver and the passenger according to the biological characteristic information of the driver and the passenger, and then send the multimedia information sent by the mobile terminal of the driver and the passenger to a screen for displaying, or project the multimedia information to the display screen at the position of the driver and the passenger when the vehicle-mounted terminal is provided with a plurality of display screens, so that the operation steps of a user are reduced, and the efficiency is improved.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are specifically described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a flowchart of a vehicle-mounted projection implementation method according to a first embodiment of the invention;
fig. 2 is a schematic structural diagram of a vehicle-mounted projection apparatus according to a second embodiment of the invention.
Detailed Description
To further illustrate the technical measures and effects taken by the present invention to achieve the intended objects, embodiments of the present invention will be described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. While the present invention has been described in connection with the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is intended to cover various modifications, equivalent arrangements, and specific embodiments thereof.
The vehicle-mounted projection implementation method in the first embodiment of the invention is applied to a vehicle-mounted terminal.
Referring to fig. 1, fig. 1 is a flowchart illustrating a vehicle-mounted projection implementation method according to a first embodiment of the invention.
As shown in fig. 1, a vehicle-mounted projection implementation method according to a first embodiment of the present invention includes the following steps:
step S11: biometric information of an occupant in the vehicle is obtained.
Specifically, the biometric information includes: fingerprint information, voice information, facial feature information, and the like, the biometric information having uniqueness. The vehicle-mounted terminal can also judge the position of the driver according to the biological characteristic information of the driver.
In one embodiment, step S11: obtaining biometric information of an occupant in a vehicle, previously comprising: acquiring pressure data information acquired by a pressure sensor; comparing the pressure data information with standard pressure data; and if the change value of the data information exceeds a threshold value, determining that a driver sits on the seat corresponding to the pressure sensor, wherein the sensors are arranged on the base of the seat, and the number of the sensors is consistent with the seat number of the vehicle.
Specifically, the vehicle-mounted terminal analyzes data collected by a pressure sensor installed on a base of a seat in the vehicle, and sends an instruction to the biological characteristic information collection device after confirming that a person is in the vehicle, so as to obtain biological characteristic information of a driver and a passenger in the vehicle. In other embodiments, the camera shooting and collecting device can also be used for obtaining the image of the person to judge whether the person enters the vehicle.
In one embodiment, step S11: obtaining biometric information of an occupant in a vehicle, previously comprising: and setting the biological characteristic information of the driver and the passengers, which is acquired in advance, as preset biological characteristic information, and storing the preset biological characteristic information in a database.
Specifically, the in-vehicle terminal acquires biometric information of a driver and a passenger who often use a vehicle, saves the acquired biometric information in a database, and then sets the biometric information saved in the database as preset biometric information. The fact that the biological characteristic information of the driver and the passengers is collected in advance can prevent irrelevant people from being maliciously connected with the vehicle-mounted terminal. The in-vehicle terminal may further define the mobile terminal of the user according to the collected biometric information.
In one embodiment, step S11: obtaining biometric information of an occupant in a vehicle, previously comprising: the method comprises the steps of establishing a connection relation between a mobile terminal of a driver and a vehicle-mounted terminal in advance, and storing mobile terminal information into a database.
Specifically, the process of connecting the mobile terminal and the vehicle-mounted terminal for projection, the identification information of the connected mobile terminal or the Bluetooth address of the mobile terminal are saved, and the mobile terminal connected with the vehicle-mounted terminal is numbered.
In one embodiment, step S11: obtaining biometric information of an occupant in a vehicle, previously comprising: and establishing an incidence relation between the mobile terminal information and the preset biological characteristic information.
Specifically, the biological characteristic information is associated with the mobile terminal, so that the vehicle-mounted terminal is automatically connected with the mobile terminal of a certain driver when the biological characteristic information of the driver is acquired.
Step S12: and when the biological characteristic information is matched with the preset biological characteristic information, automatically establishing a connection relation with the mobile terminal corresponding to the preset biological characteristic information.
In one embodiment, step S12: when the biological characteristic information is matched with the preset biological characteristic information, automatically establishing a connection relation with the mobile terminal corresponding to the preset biological characteristic information, wherein the connection relation comprises the following steps: and when the biological characteristic information is not matched with the preset biological characteristic information, displaying identification failure information.
Specifically, the vehicle-mounted terminal displays the identification failure information and simultaneously displays the prompt information to remind the user how to perform connection projection with the vehicle-mounted terminal.
Step S13: and receiving and displaying the multimedia information sent by the mobile terminal.
In one embodiment, step S13: receiving and displaying multimedia information sent by a mobile terminal, comprising: acquiring the position information of the driver and the passengers according to the biological characteristic information; if the driver and the passenger are at the copilot position, the multimedia information is sent to a display screen at the copilot position for displaying; and if the driver and the passenger are at the back seat position, the multimedia information is sent to a display screen at the back seat position for display.
Specifically, the vehicle-mounted terminal includes a plurality of display screens thereon, such as: a main screen, a copilot screen, a rear seat screen, and the like; the vehicle-mounted terminal can be connected with the projection according to the position information of the driver and the passenger in the vehicle. And when the vehicle-mounted terminal confirms that the user is at the copilot position currently according to the biological characteristic information of the user, the multimedia information sent by the mobile terminal of the user is sent to a copilot screen for displaying. The vehicle-mounted terminal acquires the two pieces of biological characteristic information, and when a first driver and a second driver are confirmed to be in the copilot position and in the rear seat position, the vehicle-mounted terminal sends the multimedia information sent by the mobile terminal of the first driver and the second driver to the copilot screen for displaying, and sends the multimedia information sent by the mobile terminal of the second driver and the second driver to the rear seat screen for displaying; if the vehicle-mounted terminal confirms that the first and second drivers and passengers are located at the backseat positions and only one backseat screen is available, acquiring a first and second driver and passenger projection priority level list from the database; and if the priority level of the first driver and passenger is high, the multimedia information sent by the mobile terminal of the first driver and passenger is sent to a backseat screen for displaying, and if the priority level of the second driver and passenger is high, the multimedia information sent by the mobile terminal of the second driver and passenger is sent to the backseat screen for displaying.
In one embodiment, step S13: receiving and displaying multimedia information sent by a mobile terminal, comprising: the biometric information comprises first biometric information and second biometric information; if the first biological characteristic information is matched with first projector biological characteristic information in preset biological characteristic information and the second biological characteristic information is matched with second projector biological characteristic information in the preset biological characteristic information, acquiring the projection priority level of the first projector biological characteristic information and the second projector biological characteristic information; if the priority level of the first projector biological characteristic information is high and only one display screen is arranged on the vehicle-mounted terminal, the multimedia information sent by the mobile terminal corresponding to the first projector biological characteristic information is sent to the display screen for displaying; and if the priority level of the second projector biological characteristic information is high and only one display screen is arranged on the vehicle-mounted terminal, sending the multimedia information sent by the mobile terminal corresponding to the second projector biological characteristic information to the display screen for displaying.
Specifically, when a plurality of mobile terminals of drivers and passengers are connected with the vehicle-mounted terminal in the same time period, a projection priority level table in the vehicle-mounted terminal is obtained, the highest priority person in the drivers and passengers connected with the vehicle-mounted terminal is obtained, and then the multimedia information sent by the mobile terminal of the highest priority person is sent to a display screen for displaying.
In one embodiment, step S13: receiving and displaying multimedia information sent by a mobile terminal, and then: if only one projection display screen is arranged on the vehicle-mounted terminal and is connected with the plurality of mobile terminals, receiving a voice switching instruction; and switching the mobile terminal projected onto the projection display screen according to the voice switching instruction.
According to the vehicle-mounted projection implementation method provided by the invention, the vehicle-mounted terminal can automatically establish the connection relation with the mobile terminal of the driver and the passenger according to the biological characteristic information of the driver and the passenger, and then send the multimedia information sent by the mobile terminal of the driver and the passenger to the screen for displaying, or project the multimedia information to the display screen at the position of the driver and the passenger when the vehicle-mounted terminal is provided with a plurality of display screens, so that the operation steps of a user are reduced, and the efficiency is improved.
Fig. 2 is a schematic structural diagram of a vehicle-mounted projection apparatus according to a second embodiment of the invention.
As shown in fig. 2, a vehicle-mounted projection apparatus according to a second embodiment of the present invention includes: memory 10, processor 20.
In particular, the memory is used for storing application programs; the processor is used for applying the application program to execute the following steps: the method comprises the steps that a vehicle-mounted terminal obtains biological characteristic information of a driver and a passenger in a vehicle; when the biological characteristic information is matched with the preset biological characteristic information, the vehicle-mounted terminal automatically establishes a connection relation with the mobile terminal corresponding to the preset biological characteristic information; and the vehicle-mounted terminal receives and displays the multimedia information sent by the mobile terminal.
Through the above description of the embodiments, it is clear to those skilled in the art that the embodiments of the present invention may be implemented by hardware, or by software plus a necessary general hardware platform. Based on such understanding, the technical solutions of the embodiments of the present invention may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (which may be a CD-ROM, a usb disk, a removable hard disk, etc.), and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the various implementation scenarios of the embodiments of the present invention.
It should be understood that, although the steps in the flowchart of fig. 1 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless explicitly stated herein. Moreover, at least a portion of the steps in fig. 1 may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, in different orders, and may be performed alternately or at least partially with respect to other steps or other steps.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the specific details of the above embodiments, the above embodiments are exemplary and should not be construed as limiting the present invention, and various simple modifications and combinations of the technical solutions of the present invention can be made within the scope of the technical idea of the present invention, and all of them fall within the protection scope of the present invention.
Claims (10)
1. A vehicle-mounted projection implementation method is applied to a vehicle-mounted terminal, and comprises the following steps:
obtaining the biological characteristic information of drivers and passengers in the vehicle;
when the biological characteristic information is matched with preset biological characteristic information, automatically establishing a connection relation with a mobile terminal corresponding to the preset biological characteristic information;
and receiving and displaying the multimedia information sent by the mobile terminal.
2. The vehicle-mounted projection implementation method of claim 1, wherein the step of obtaining biometric information of the occupant in the vehicle is preceded by:
acquiring pressure data information acquired by a pressure sensor;
comparing the pressure data information to standard pressure data;
and if the change value of the data information exceeds a threshold value, determining that a driver and a passenger sit on the seat corresponding to the pressure sensor, wherein the sensors are arranged on a base of the seat, and the number of the sensors is consistent with the number of seats of the vehicle.
3. The vehicle-mounted projection implementation method of claim 1, wherein the step of obtaining biometric information of the occupant in the vehicle is preceded by:
and setting the biological characteristic information of the driver and the passengers, which is acquired in advance, as preset biological characteristic information, and storing the preset biological characteristic information in a database.
4. The vehicle-mounted projection implementation method of claim 1, wherein the step of obtaining biometric information of the occupant in the vehicle is preceded by:
and pre-establishing a connection relation between the mobile terminal of the driver and the passenger and the vehicle-mounted terminal, and storing the mobile terminal information into a database.
5. The vehicle-mounted projection implementation method of claim 3 or 4, wherein the step of obtaining biometric information of the occupant in the vehicle is preceded by:
and establishing an incidence relation between the mobile terminal information and the preset biological characteristic information.
6. The vehicle-mounted projection implementation method of claim 1, wherein when the biometric information matches preset biometric information, the step of automatically establishing a connection relationship with the mobile terminal corresponding to the preset biometric information comprises:
and when the biological characteristic information is not matched with the preset biological characteristic information, displaying identification failure information.
7. The method for implementing vehicular projection according to claim 1, wherein the step of receiving and presenting the multimedia information transmitted by the mobile terminal comprises:
acquiring the position information of the driver and the passengers according to the biological characteristic information;
if the driver and the crew are in the copilot position, the multimedia information is sent to a display screen at the copilot position for displaying;
and if the driver and the crew are at the back seat position, the multimedia information is sent to a display screen at the back seat position for display.
8. The method for implementing vehicular projection according to claim 1, wherein the step of receiving and presenting the multimedia information transmitted by the mobile terminal comprises:
the biometric information comprises first biometric information and second biometric information;
if the first biological characteristic information is matched with first projector biological characteristic information in the preset biological characteristic information and the second biological characteristic information is matched with second projector biological characteristic information in the preset biological characteristic information, acquiring the projection priority level of the first projector biological characteristic information and the second projector biological characteristic information;
if the priority level of the first projector biological characteristic information is high and only one display screen is arranged on the vehicle-mounted terminal, sending the multimedia information sent by the mobile terminal corresponding to the first projector biological characteristic information to the display screen for displaying;
and if the priority level of the second projector biological characteristic information is high and only one display screen is arranged on the vehicle-mounted terminal, sending the multimedia information sent by the mobile terminal corresponding to the second projector biological characteristic information to the display screen for displaying.
9. The method for implementing vehicular projection according to claim 1, wherein the step of receiving and presenting the multimedia information transmitted by the mobile terminal comprises the following steps:
if the vehicle-mounted terminal is only provided with one projection display screen and is connected with a plurality of mobile terminals, receiving a voice switching instruction;
and switching the mobile terminal projected onto the projection display screen according to the voice switching instruction.
10. An in-vehicle projection apparatus, comprising: a memory, a processor;
the memory is used for storing an application program;
the processor is used for applying the application program to execute the following steps:
the method comprises the steps that a vehicle-mounted terminal obtains biological characteristic information of a driver and a passenger in a vehicle;
when the biological characteristic information is matched with preset biological characteristic information, the vehicle-mounted terminal automatically establishes a connection relation with a mobile terminal corresponding to the preset biological characteristic information;
and the vehicle-mounted terminal receives and displays the multimedia information sent by the mobile terminal.
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| CN202010208448.8A CN111506214A (en) | 2020-03-23 | 2020-03-23 | Vehicle-mounted projection implementation method and device |
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| CN202010208448.8A CN111506214A (en) | 2020-03-23 | 2020-03-23 | Vehicle-mounted projection implementation method and device |
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Address after: Room 208, building 4, 1411 Yecheng Road, Jiading District, Shanghai, 201821 Applicant after: Botai vehicle networking technology (Shanghai) Co.,Ltd. Address before: Room 208, building 4, 1411 Yecheng Road, Jiading District, Shanghai, 201821 Applicant before: SHANGHAI PATEO ELECTRONIC EQUIPMENT MANUFACTURING Co.,Ltd. |
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