CN108279913A - A kind of upgrade method and device of projector - Google Patents
A kind of upgrade method and device of projector Download PDFInfo
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- CN108279913A CN108279913A CN201611247281.6A CN201611247281A CN108279913A CN 108279913 A CN108279913 A CN 108279913A CN 201611247281 A CN201611247281 A CN 201611247281A CN 108279913 A CN108279913 A CN 108279913A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/445—Program loading or initiating
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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]
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- General Engineering & Computer Science (AREA)
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- Computer Security & Cryptography (AREA)
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- Controls And Circuits For Display Device (AREA)
Abstract
The invention discloses a kind of upgrade method of projector and devices, it is related to projection device technical field, the projector includes middle control management module, and the middle control management module is connected with digital light processing module, signal front-end processing module and power module respectively, and this method includes：Establish the communication connection between host computer and the middle control management module of the projector；Call the software upgrade package in host computer, the software upgrade package respectively upgrades the middle control management module, the digital light processing module, the signal front-end processing module and the power module of the projector by the middle control management module, module to be upgraded in projector can be connected as an entirety, it is managed collectively by middle control management module, it realizes that a key upgrades, is convenient for the maintenance of projector.
Description
Technical field
The present invention relates to projection device technical field more particularly to the upgrade methods and device of a kind of projector.
Background technology
Projector's inner function module needs burning upgrade procedure, including digital light processing module（DLP modules）, before signal
Hold processing module（SFEP modules）, power module（IDU modules）With middle control management module（PDU modules）, existing upgrade method
In, upgrading DLP modules need to connect USB interface, upgrade other 3 modules and are also required to be separately connected the onboard debugging of each module
Mouthful, and coordinating the respective ends PC burn recording software, replication tool to carry out, this upgrade method not only needs to dismantle machine, also needs
Different burn recording software and replication tool are selected, it is cumbersome time-consuming, and it is easy error.
Invention content
It is a primary object of the present invention to propose a kind of upgrade method and device of projector, can will be waited in projector
Upgraded module is connected as an entirety, is managed collectively by middle control management module, realizes key upgrading, is convenient for the dimension of projector
Shield.
To achieve the above object, the upgrade method of a kind of projector provided by the invention, the projector include middle keyholed back plate
Module is managed, the middle control management module is connected with digital light processing module, signal front-end processing module and power module respectively,
This method includes：
Establish the communication connection between host computer and the middle control management module of the projector；
The software upgrade package in host computer is called, by the middle control management module by the software upgrade package respectively to the throwing
The middle control management module, the digital light processing module, the signal front-end processing module and the power module of shadow machine
Upgraded.
Optionally, the communication established between host computer and the middle control management module of the projector, which connects, is specially：
Host computer and the serial ports of projector are connected by Serial Port Line.
Optionally, the communication established between host computer and the middle control management module of the projector, which connects, is specially：
By cable and HDBaseT devices by the network interface connection of host computer and projector.
Optionally, the middle control management module is connect by UART Universal Asynchronous Receiver Transmitter with the power module；
The middle control management module is connect by usb bus with the digital light processing module；And
The middle control management module is connect by Serial Peripheral Interface (SPI) with signal front-end processing module.
Optionally, in the software upgrade package at least provided with：Middle keyholed back plate reason module upgrade packet, digital light processing module liter
Grade packet, signal front-end processing module upgrade packet and power module upgrade package.
Optionally, the software upgrade package called in host computer, by the middle control management module by the software liter
Grade packet is respectively to the middle control management module of the projector, the digital light processing module, the signal front-end processing mould
Block and the power module are upgraded, including：
The software upgrade package in host computer is called, and is decompressed to obtain the middle keyholed back plate reason module upgrade packet, the number
Light processing module upgrade packet, the signal front-end processing module upgrade packet and the power module upgrade package；
Establish the middle control management module and the digital signal processing module, the signal front-end processing module and the power module
Communication connection；
By the middle keyholed back plate reason module upgrade packet, the digital light processing module upgrade package, the signal front-end processing module liter
Grade packet and the power module upgrade package are directed to the middle control management module, the digital light processing module, the signal respectively
Front end processing block and the power module are upgraded.
As another aspect of the present invention, a kind of update device of the projector provided, the projector includes middle control
Management module, the middle control management module are connected with digital light processing module, signal front-end processing module and power module respectively
It connects, which includes：
Communication unit, for establishing the connection of the communication between host computer and the middle control management module of the projector；
Upgrade unit, for calling the software upgrade package in host computer, by the middle control management module by the software upgrading
Packet is respectively to the middle control management module, the digital light processing module, the signal front-end processing module of the projector
Upgraded with the power module.
Optionally, the communication unit is：
Serial communication unit, for being connected host computer and the serial ports of projector by Serial Port Line.
Optionally, the communication unit is：
Cable communication unit, for passing through cable and HDBaseT devices by the network interface connection of host computer and projector.
Optionally, the middle control management module is connect by UART Universal Asynchronous Receiver Transmitter with the power module；
The middle control management module is connect by usb bus with the digital light processing module；And
The middle control management module is connect by Serial Peripheral Interface (SPI) with signal front-end processing module.
Optionally, in the software upgrade package at least provided with：Middle keyholed back plate reason module upgrade packet, digital light processing module liter
Grade packet, signal front-end processing module upgrade packet and power module upgrade package.
Optionally, the upgrade unit includes：
The software upgrade package in host computer is called, and is decompressed to obtain the middle keyholed back plate reason module upgrade packet, the number
Light processing module upgrade packet, the signal front-end processing module upgrade packet and the power module upgrade package；
Establish the middle control management module and the digital signal processing module, the signal front-end processing module and the power module
Communication connection；
By the middle keyholed back plate reason module upgrade packet, the digital light processing module upgrade package, the signal front-end processing module liter
Grade packet and the power module upgrade package are directed to the middle control management module, the digital light processing module, the signal respectively
Front end processing block and the power module are upgraded.
The upgrade method and device of a kind of projector proposed by the present invention, the projector include middle control management module, institute
It states middle control management module to be respectively connected with digital light processing module, signal front-end processing module and power module, this method packet
It includes：Establish the communication connection between host computer and the middle control management module of the projector；Call the software upgrading in host computer
Packet, by the middle control management module by the software upgrade package respectively to the middle control management module of the projector, institute
Digital light processing module, the signal front-end processing module and the power module is stated to be upgraded, it can will be in projector
Module to be upgraded is connected as an entirety, is managed collectively by middle control management module, realizes key upgrading, is convenient for the dimension of projector
Shield.
Description of the drawings
Fig. 1 is a kind of upgrade method flow chart for projector that the embodiment of the present invention one provides；
Fig. 2 is a kind of illustrative view of functional configuration for projector that the embodiment of the present invention one provides；
Fig. 3 is a kind of update device exemplary block diagram of projector provided by Embodiment 2 of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
In subsequent description, using for indicating that the suffix of such as " module ", " component " or " unit " of element is only
Be conducive to the explanation of the present invention, itself there is no specific meanings.Therefore, " module " can mixedly make with " component "
With.
Embodiment one
As shown in Figure 1, in the present embodiment, a kind of upgrade method of projector, the projector includes middle control management module, institute
It states middle control management module to be respectively connected with digital light processing module, signal front-end processing module and power module, this method packet
It includes：
S10, the communication established between host computer and the middle control management module of the projector connect；
Software upgrade package in S20, calling host computer, by the middle control management module by the software upgrade package respectively to institute
State the middle control management module, the digital light processing module, the signal front-end processing module and the power supply of projector
Module is upgraded.
In the present embodiment, by host computer and it is middle control management module between communication connect, middle control management module again with
Module to be upgraded carries out communication connection, and module to be upgraded can be digital light processing module, signal front-end processing module, power supply mould
Module to be upgraded in projector can be connected as an entirety by block, middle control management module etc., be united by middle control management module
One carries out the allotment of upgrading data, control, realizes key upgrading, is convenient for the maintenance of projector.
As shown in Fig. 2, for the functional structure chart of projector, function module to be upgraded includes in projector：Middle keyholed back plate reason
Module PDU, digital light processing module DLP, signal front-end processing module SFEP and power module IDU, in the present embodiment, middle control
Management module PDU is connect by usb bus with the digital light processing module DLP, and spi bus and signal front-end processing mould are passed through
The program storage of block connects, and is connect with the power module IDU by UART Universal Asynchronous Receiver Transmitter UART buses, entire to make
System to be upgraded is managed collectively by PDU, is connected with host computer by serial ports, or with cable by HDBaseT devices with it is upper
Position machine is connected, when needing to upgrade projector, it is only necessary to and the ends PC upper computer software is opened, the corresponding software package of type is selected, on
Position chance once calls 4 upgrade package in software upgrade package to corresponding interface, presses " upgrading software " button of host computer interface,
4 softwares can be upgraded successively automatically, achieved the effect that " key upgrading ".
In the present embodiment, also total by UART between the middle control management module PDU and other three modules to be upgraded
Line connects, and for the asynchronous communication between four, full duplex transmission and the reception of data may be implemented.
In the present embodiment, the communication connection tool established between host computer and the middle control management module of the projector
Body is：
Host computer and the serial ports of projector are connected by Serial Port Line, as shown in Fig. 2, being provided with string on middle control management module PDU
Mouth signal input interface and rs 232 serial interface signal output interface, are used for and host computer carries out serial communication.
As another embodiment, the communication established between host computer and the middle control management module of the projector connects
It connects specially：
By cable and HDBaseT devices by the network interface connection of host computer and projector, as shown in Fig. 2, middle control management module PDU
On be provided with Media Independent Interface MII, for being attached with the HDBaseT devices, the HDBaseT devices are that one kind is answered
With the device of HDBaseT technologies, HDBaseT technologies are a kind of audio-video interface standards, can be by sound based on transmission of network
Frequently, video, network, control signal and power supply circuit are brought together, using common cable as transmission cable, in HDBaseT
It is provided with RJ45 network interfaces on device, is connect with host computer by common cable.
In the present embodiment, in the software upgrade package at least provided with：Middle keyholed back plate reason module upgrade packet, digital light processing
Module upgrade packet, signal front-end processing module upgrade packet and power module upgrade package, when projector carries out key upgrading, PDU
As middle control management module, host computer passes through serial ports（By RS232 agreements）Or network interface（By HDBaseT devices, with MII agreements）
With PDU module communications, PDU again respectively with other each module communications, upgrade procedure, at this point, PDU call in control management module liter
Grade packet, upgrades itself program by module-internal bus；PDU call number light processing module upgrade packets, are upgraded by usb bus
DLP modular programs；PDU call signal front end processing block upgrade package upgrades SFEP modular programs by spi bus；PDU tune
With power module upgrade package, IDU modular programs are upgraded by UART universal serial bus.
In the present embodiment, the step S20 includes：
The software upgrade package in host computer is called, and is decompressed to obtain the middle keyholed back plate reason module upgrade packet, the number
Light processing module upgrade packet, the signal front-end processing module upgrade packet and the power module upgrade package；
Establish the middle control management module and the digital signal processing module, the signal front-end processing module and the power module
Communication connection；
By the middle keyholed back plate reason module upgrade packet, the digital light processing module upgrade package, the signal front-end processing module liter
Grade packet and the power module upgrade package are directed to the middle control management module, the digital light processing module, the signal respectively
Front end processing block and the power module are upgraded.
In the present embodiment, all it is provided with tune on the middle control management module, signal front-end processing module and power module
Mouth is tried, the independent upgrading of these three modules is used for, the middle control management module passes through usb bus and the digital light processing module
Connection；The middle control management module is connect by Serial Peripheral Interface (SPI) with signal front-end processing module；The number light processing mould
Block is connect with usb bus, is used for the independent upgrading of digital light processing module, is the useful supplement and alternative scheme of key upgrading.
In the present embodiment, it is provided with signal input interface in the signal front-end processing module, for receiving signal, institute
Signal front-end processing module is stated also to be attached by HDMI and HDBaseT devices, the signal front-end processing module output
Signal is input to digital light processing module by signal format conversion equipment and geometric correction device, and the geometric correction device is also
It is connect with middle control management module by spi bus.
In the present embodiment, digital light processing module is output signals on DMD panels, realizes camera lens projection output, described
DMD panels are connected with colour wheel and ray machine.
In the present embodiment, power module is used to be LD（Laser disc）Light source is powered.
In the present embodiment, middle control management module also with the peripheral modules such as lens motor, fan, keypad, temperature acquisition
It is attached, to constitute a complete projector system.
Embodiment two
As shown in figure 3, in the present embodiment, a kind of update device of projector, including：
Communication unit 10, for establishing the connection of the communication between host computer and the middle control management module of the projector；
Upgrade unit 20, for calling the software upgrade package in host computer, by the middle control management module by the software liter
Grade packet is respectively to the middle control management module of the projector, the digital light processing module, the signal front-end processing mould
Block and the power module are upgraded.
In the present embodiment, it is possible to which the module to be upgraded in projector is connected as an entirety, mould is managed by middle keyholed back plate
Block is managed collectively, and is realized key upgrading, is convenient for the maintenance of projector.
As shown in Fig. 2, for the functional structure chart of projector, function module to be upgraded includes in projector：Middle keyholed back plate reason
Module PDU, digital light processing module DLP, signal front-end processing module SFEP and power module IDU, in the present embodiment, middle control
Management module PDU is connect by usb bus with the digital light processing module DLP, and spi bus and signal front-end processing mould are passed through
The program storage of block connects, and is connect with the power module IDU by UART buses, to make entire system to be upgraded pass through
PDU is managed collectively, and is connected with host computer by serial ports, or be connected with host computer by HDBaseT devices with cable, is worked as needs
When upgrading projector, it is only necessary to open the ends PC upper computer software, select the corresponding software package of type, host computer can once call soft
4 upgrade package in part upgrade package press " upgrading software " button of host computer interface, so that it may upgrade successively automatically to corresponding interface
4 softwares achieve the effect that " key upgrading ".
In the present embodiment, also total by UART between the middle control management module PDU and other three modules to be upgraded
Line connects, and for the asynchronous communication between four, full duplex transmission and the reception of data may be implemented.
In the present embodiment, the communication unit is：
Serial communication unit, for being connected host computer and the serial ports of projector by Serial Port Line, as shown in Fig. 2, middle keyholed back plate is managed
Rs 232 serial interface signal input interface and rs 232 serial interface signal output interface are provided on module PDU, for carrying out serial communication with host computer.
As another embodiment, the communication unit is：
Cable communication unit, for passing through cable and HDBaseT devices by the network interface connection of host computer and projector, such as Fig. 2 institutes
Show, Media Independent Interface MII is provided on middle control management module PDU, it is described for being attached with the HDBaseT devices
HDBaseT devices are a kind of devices using HDBaseT technologies, and HDBaseT technologies are a kind of audio-video interface standards, with network
Based on transmission, audio, video, network, control signal and power supply circuit can be brought together, using common cable conduct
Transmission cable is provided with RJ45 network interfaces on HDBaseT devices, is connect with host computer by common cable.
In the present embodiment, in the software upgrade package at least provided with：Middle keyholed back plate reason module upgrade packet, digital light processing
Module upgrade packet, signal front-end processing module upgrade packet and power module upgrade package, when projector carries out key upgrading, PDU
As middle control management module, host computer passes through serial ports（By RS232 agreements）Or network interface（By HDBaseT devices, with MII agreements）
With PDU module communications, PDU again respectively with other each module communications, upgrade procedure, at this point, PDU call in control management module liter
Grade packet, upgrades itself program by module-internal bus；PDU call number light processing module upgrade packets, are upgraded by usb bus
DLP modular programs；PDU call signal front end processing block upgrade package upgrades SFEP modular programs by spi bus；PDU tune
With power module upgrade package, IDU modular programs are upgraded by UART universal serial bus.
In the present embodiment, the upgrade unit includes：
The software upgrade package in host computer is called, and is decompressed to obtain the middle keyholed back plate reason module upgrade packet, the number
Light processing module upgrade packet, the signal front-end processing module upgrade packet and the power module upgrade package；
Establish the middle control management module and the digital signal processing module, the signal front-end processing module and the power module
Communication connection；
By the middle keyholed back plate reason module upgrade packet, the digital light processing module upgrade package, the signal front-end processing module liter
Grade packet and the power module upgrade package are directed to the middle control management module, the digital light processing module, the signal respectively
Front end processing block and the power module are upgraded.
In the present embodiment, all it is provided with tune on the middle control management module, signal front-end processing module and power module
Mouth is tried, the independent upgrading of these three modules is used for, the middle control management module passes through usb bus and the digital light processing module
Connection；The middle control management module is connect by Serial Peripheral Interface (SPI) with signal front-end processing module；The number light processing mould
Block is connect with usb bus, is used for the independent upgrading of digital light processing module, is the useful supplement and alternative scheme of key upgrading.
In the present embodiment, it is provided with signal input interface in the signal front-end processing module, for receiving signal, institute
Signal front-end processing module is stated also to be attached by HDMI and HDBaseT devices, the signal front-end processing module output
Signal is input to digital light processing module by signal format conversion equipment and geometric correction device, and the geometric correction device is also
It is connect with middle control management module by spi bus.
In the present embodiment, digital light processing module is output signals on DMD panels, realizes camera lens projection output, described
DMD panels are connected with colour wheel and ray machine.
In the present embodiment, power module is used to be LD（Laser disc）Light source is powered.
In the present embodiment, middle control management module also with the peripheral modules such as lens motor, fan, keypad, temperature acquisition
It is attached, to constitute a complete projector system.
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that process, method, article or device including a series of elements include not only those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
There is also other identical elements in the process of element, method, article or device.
The embodiments of the present invention are for illustration only, can not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical scheme of the present invention substantially in other words does the prior art
Going out the part of contribution can be expressed in the form of software products, which is stored in a storage medium
（Such as ROM/RAM, magnetic disc, CD）In, including some instructions use is so that a station terminal equipment（Can be mobile phone, computer, clothes
Business device, air conditioner or the network equipment etc.）Execute the method described in each embodiment of the present invention.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (12)
1. a kind of upgrade method of projector, which is characterized in that the projector includes middle control management module, the middle keyholed back plate reason
Module is connected with digital light processing module, signal front-end processing module and power module respectively, which includes：
Establish the communication connection between host computer and the middle control management module of the projector；
The software upgrade package in host computer is called, by the middle control management module by the software upgrade package respectively to the throwing
The middle control management module, the digital light processing module, the signal front-end processing module and the power module of shadow machine
Upgraded.
2. the upgrade method of projector according to claim 1, which is characterized in that described to establish host computer and the projection
Communication between the middle control management module of machine, which connects, is specially：
Host computer and the serial ports of projector are connected by Serial Port Line.
3. the upgrade method of projector according to claim 1, which is characterized in that described to establish host computer and the projection
Communication between the middle control management module of machine, which connects, is specially：
By cable and HDBaseT devices by the network interface connection of host computer and projector.
4. the upgrade method of projector according to claim 1, which is characterized in that
The middle control management module is connect by UART Universal Asynchronous Receiver Transmitter with the power module；
The middle control management module is connect by usb bus with the digital light processing module；And
The middle control management module is connect by Serial Peripheral Interface (SPI) with signal front-end processing module.
5. the upgrade method of projector according to claim 1, which is characterized in that be at least arranged in the software upgrade package
Have：Middle keyholed back plate reason module upgrade packet, digital light processing module upgrade package, signal front-end processing module upgrade packet and power module liter
Grade packet.
6. the upgrade method of projector according to claim 5, which is characterized in that the software liter called in host computer
Grade packet, by the middle control management module by the software upgrade package respectively to the middle control management module of the projector,
The digital light processing module, the signal front-end processing module and the power module are upgraded, including：
The software upgrade package in host computer is called, and is decompressed to obtain the middle keyholed back plate reason module upgrade packet, the number
Light processing module upgrade packet, the signal front-end processing module upgrade packet and the power module upgrade package；
Establish the middle control management module and the digital signal processing module, the signal front-end processing module and the power module
Communication connection；
By the middle keyholed back plate reason module upgrade packet, the digital light processing module upgrade package, the signal front-end processing module liter
Grade packet and the power module upgrade package are directed to the middle control management module, the digital light processing module, the signal respectively
Front end processing block and the power module are upgraded.
7. a kind of update device of projector, which is characterized in that the projector includes middle control management module, the middle keyholed back plate reason
Module is connected with digital light processing module, signal front-end processing module and power module respectively, which includes：
Communication unit, for establishing the connection of the communication between host computer and the middle control management module of the projector；
Upgrade unit is divided the software upgrade package by the middle control module for calling the software upgrade package in host computer
The other middle control management module, the digital light processing module, the signal front-end processing module and institute to the projector
Power module is stated to be upgraded.
8. the update device of projector according to claim 7, which is characterized in that the communication unit is：
Serial communication unit, for being connected host computer and the serial ports of projector by Serial Port Line.
9. the update device of projector according to claim 7, which is characterized in that the communication unit is：
Cable communication unit, for passing through cable and HDBaseT devices by the network interface connection of host computer and projector.
10. the update device of projector according to claim 7, which is characterized in that
The middle control management module is connect by UART Universal Asynchronous Receiver Transmitter with the power module；
The middle control management module is connect by usb bus with the digital light processing module；And
The middle control management module is connect by Serial Peripheral Interface (SPI) with signal front-end processing module.
11. the update device of projector according to claim 7, which is characterized in that at least set in the software upgrade package
It is equipped with：Middle keyholed back plate reason module upgrade packet, digital light processing module upgrade package, signal front-end processing module upgrade packet and power module
Upgrade package.
12. the update device of projector according to claim 11, which is characterized in that the upgrade unit is specifically used for：
The software upgrade package in host computer is called, and is decompressed to obtain the middle keyholed back plate reason module upgrade packet, the number
Light processing module upgrade packet, the signal front-end processing module upgrade packet and the power module upgrade package；
Establish the middle control management module and the digital signal processing module, the signal front-end processing module and the power module
Communication connection；
By the middle keyholed back plate reason module upgrade packet, the digital light processing module upgrade package, the signal front-end processing module liter
Grade packet and the power module upgrade package are directed to the middle control management module, the digital light processing module, the signal respectively
Front end processing block and the power module are upgraded.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611247281.6A CN108279913A (en) | 2016-12-29 | 2016-12-29 | A kind of upgrade method and device of projector |
| PCT/CN2017/109326 WO2018121060A1 (en) | 2016-12-29 | 2017-11-03 | Method and device for upgrading projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611247281.6A CN108279913A (en) | 2016-12-29 | 2016-12-29 | A kind of upgrade method and device of projector |
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| CN108279913A true CN108279913A (en) | 2018-07-13 |
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| CN201611247281.6A Pending CN108279913A (en) | 2016-12-29 | 2016-12-29 | A kind of upgrade method and device of projector |
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| CN (1) | CN108279913A (en) |
| WO (1) | WO2018121060A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109151368A (en) * | 2018-09-13 | 2019-01-04 | 广州市保伦电子有限公司 | A kind of small space meeting central control system |
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| TWI254185B (en) * | 2004-07-09 | 2006-05-01 | Coretronic Corp | Wireless projector with embedded downloading server |
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| JP2016131003A (en) * | 2015-01-15 | 2016-07-21 | キヤノン株式会社 | Electronic apparatus and method for updating software |
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| CN1523474A (en) * | 2003-02-20 | 2004-08-25 | 联想(北京)有限公司 | Expanded interface system for projector and expanded module and controlling method therefor |
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| WO2018121060A1 (en) | 2018-07-05 |
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