CN110198463A - A kind of mobile projector method, apparatus, computer-readable medium and electronic equipment - Google Patents
A kind of mobile projector method, apparatus, computer-readable medium and electronic equipment Download PDFInfo
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- CN110198463A CN110198463A CN201810187648.2A CN201810187648A CN110198463A CN 110198463 A CN110198463 A CN 110198463A CN 201810187648 A CN201810187648 A CN 201810187648A CN 110198463 A CN110198463 A CN 110198463A
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- projection
- projection device
- file
- mobile
- projected
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
- H04N21/43637—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
-
- 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
Abstract
The present invention relates to field of computer technology, providing a kind of mobile projector method, apparatus and computer-readable medium, the mobile projector method includes: the mobile projector request for receiving mobile terminal and generating；Based on the encoded information of the available projection device of mobile projector request, to search projection device；It determines projection device, and establishes connection between the mobile terminal and the projection device；Based on the connection between the mobile terminal and the projection device, projection image's preview data that the mobile projector request generates file to be projected is responded；Based on the connection between the mobile terminal and the projection device, projection image's preview data is played on the projection device.Present invention eliminates operations cumbersome when projection, it is therefore prevented that file data leakage, and the cost for saving purchase, safeguarding hardware device, the user experience is improved.
Description
Technical field
This application involves field of computer technology, in particular to a kind of mobile projector method, apparatus and computer
Readable medium.
Background technique
Image projection is projected image on projection plane using digital optical processing technique, is enabled a user to
The size, color, clarity etc. seen image on the projection surface, and the image that user sees can be adjusted.With mobile technology
Development, mobile image projection is widely used and every field, and field is entertained in such as education, office, such as teacher can be with
Teaching Document, lantern slide etc. are made, by learning in projection device dispensing to screen for students, teacher can be saved in this way
The time of writing on the blackboard is write, efficiency of teaching is improved；Staff can be by the report stored on mobile phone, lantern slide, picture, video etc.
File projection, watched, analyzed for Team Member etc..But the projecting method generallyd use is to copy files to electricity
On brain, then computer is connect to the displaying for carrying out file with projector, this projecting method can at least cause both sides problem:
There is security risk on computers in cumbersome, file reservation.To solve the above-mentioned problems, occur connecting mobile device
Then file is projected on screen by signal wire such as Apple TV to hardware device, but this method exists firmly again
The problems such as part is at high cost, covering is difficult, Maintenance Difficulty.
Thus this field needs to research and develop a kind of new mobile projector method and device.
It should be noted that information is only used for reinforcing to background of the invention disclosed in above-mentioned background technology part
Understand, therefore may include the information not constituted to the prior art known to persons of ordinary skill in the art.
Summary of the invention
The purpose of the present invention is to provide a kind of mobile projector method, apparatus and computer-readable mediums, and then reduce and throw
Cumbersome operation, the safety of raising file when shadow.
Other characteristics and advantages of the invention will be apparent from by the following detailed description, or partially by this hair
Bright practice and acquistion.
According to a first aspect of the embodiments of the present invention, a kind of mobile projector method is provided characterized by comprising connect
Receive the mobile projector request that mobile terminal generates；Coding letter based on the available projection device of mobile projector request
Breath, to search projection device；It determines projection device, and establishes connection between the mobile terminal and the projection device；Base
Connection between the mobile terminal and the projection device responds the mobile projector request and generates file to be projected
Projection image's preview data；Based on the connection between the mobile terminal and the projection device, on the projection device
Play projection image's preview data.
According to a second aspect of the embodiments of the present invention, a kind of mobile projector device is provided characterized by comprising throw
Shadow request receiving module, for receiving the mobile projector request of mobile terminal generation；Encoded information obtains module, for being based on
The encoded information of the available projection device of mobile projector request, to search projection device；Projection device determines mould
Block for determining projection device, and establishes connection between the mobile terminal and the projection device；Preview data generates
Module, for responding the mobile projector request and generating based on the connection between the mobile terminal and the projection device
Projection image's preview data of file to be projected；Preview data sending module, for being based on the mobile terminal and the projection
Connection between equipment plays projection image's preview data on the projection device.
In some embodiments of the invention, aforementioned schemes are based on, the mobile projector request includes the text to be projected
The information of part；The projection request receiving module in the present invention includes: projection request reception unit, for receiving the shifting
Dynamic terminal is requested according to the mobile projector that the information of the selected file to be projected generates.
In some embodiments of the invention, aforementioned schemes are based on, the mobile projector request does not include described to be projected
The information of file；The mobile projector device in the present invention includes: information receiving module, for receiving the mobile terminal
The information of the file to be projected of selection；Relating module, for by the information of the file to be projected and the mobile projector
Request is associated.
In some embodiments of the invention, aforementioned schemes, the encoded information of the projection device in the present invention are based on
Including any one in two-dimensional barcode information, bar code information or radio frequency identification encoded information.
In some embodiments of the invention, aforementioned schemes are based on, the file to be projected in the present invention is stored in one
In storage server or the mobile terminal.
In some embodiments of the invention, aforementioned schemes are based on, the preview data generation module in the present invention includes:
Acquisition request transmission unit is requested for sending a file acquisition to be projected to the storage server；File reception to be projected
Unit responds the file to be projected that the file acquisition request to be projected returns for receiving the storage server；In advance
Data generation module is look at, for generating projection image's preview data of the file to be projected.
In some embodiments of the invention, aforementioned schemes are based on, the preview data generation module in the present invention includes:
Receiving unit, the file to be projected sent for receiving the mobile terminal；Generation unit, it is described wait throw for generating
Projection image's preview data of shadow file.
In some embodiments of the invention, aforementioned schemes are based on, the preview data sending module in the present invention includes:
Page turning request reception unit, for receiving page turning request；Preview data transmission unit, for being requested according to the page turning, by mesh
Mark projection image's preview data is sent to the projection device, for playing.
In some embodiments of the invention, aforementioned schemes are based on, the projection device in the present invention includes a control
Terminal and the projector being connect with the controlling terminal.
In some embodiments of the invention, aforementioned schemes are based on, the preview data sending module in the present invention includes:
Connection unit, for connecting the controlling terminal；Transmission unit, it is described for projection image's preview data to be sent to
Controlling terminal, for playing.
In some embodiments of the invention, aforementioned schemes are based on, the controlling terminal in the present invention is by the projection
Image preview data stores in the buffer.
In some embodiments of the invention, aforementioned schemes are based on, the preview data generation module in the present invention includes:
Preview unit, for generating projection image's preview data by preview technology.
In some embodiments of the invention, aforementioned schemes are based on, the encoded information in the present invention obtains module and includes:
Searching unit, for including projection device identification information and/or projection site identifications letter based on the mobile projector request
The encoded information of the available projection device of breath, to search the projection device.
According to a third aspect of the embodiments of the present invention, a kind of computer-readable medium is provided, computer is stored thereon with
Program realizes such as above-mentioned mobile projector method as described in the examples when described program is executed by processor.
In the technical solution provided by some embodiments of the present invention, mobile throw is sent by user end to server
Shadow is requested, and the encoded information of the information comprising file to be projected and projection device in mobile projector request, server response moves
Dynamic projection request generates projection image's preview data of file to be projected, and projection image's preview data is sent to the throwing
The corresponding projection device of the encoded information of shadow equipment.It avoids and copies files on computer, connects hardware device wireless network
Troublesome operation, also prevent copying files to and forget to delete on computer, cause file data to be revealed, improve file
Safety.
The present invention is it should be understood that above general description and following detailed description is only exemplary and explanatory
, the present invention can not be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets reality of the invention
Example is applied, and is used to explain the principle of the present invention together with specification.It should be evident that the accompanying drawings in the following description is only this
Some embodiments of invention without creative efforts, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is shown can be using the signal of the exemplary system architecture of the projecting method and device of the embodiment of the present invention
Figure；
Fig. 2 shows the structural schematic diagrams of the computer system of the electronic equipment suitable for being used to realize the embodiment of the present invention；
Fig. 3 diagrammatically illustrates the flow chart of projecting method in the related technology；
Fig. 4 diagrammatically illustrates the flow chart of projecting method in the related technology；
Fig. 5 diagrammatically illustrates the flow chart of the projecting method of an embodiment according to the present invention；
Fig. 6 diagrammatically illustrates the schematic diagram of the projecting method of an embodiment according to the present invention；
Fig. 7 diagrammatically illustrates the block diagram of the projection arrangement of an embodiment according to the present invention.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to example set forth herein；On the contrary, thesing embodiments are provided so that the present invention will more
Add fully and completely, and the design of example embodiment is comprehensively communicated to those skilled in the art.
In addition, described feature, structure or characteristic can be incorporated in one or more implementations in any suitable manner
In example.In the following description, many details are provided to provide and fully understand to the embodiment of the present invention.However,
It will be appreciated by persons skilled in the art that technical solution of the present invention can be practiced without one or more in specific detail,
Or it can be using other methods, constituent element, device, step etc..In other cases, it is not shown in detail or describes known side
Method, device, realization or operation are to avoid fuzzy each aspect of the present invention.
Block diagram shown in the drawings is only functional entity, not necessarily must be corresponding with physically separate entity.
I.e., it is possible to realize these functional entitys using software form, or realized in one or more hardware modules or integrated circuit
These functional entitys, or these functional entitys are realized in heterogeneous networks and/or processor device and/or microcontroller device.
Flow chart shown in the drawings is merely illustrative, it is not necessary to including all content and operation/step,
It nor is it necessary that and executed by described sequence.For example, some operation/steps can also decompose, and some operation/steps can
To merge or partially merge, therefore the sequence actually executed is possible to change according to the actual situation.
Fig. 1 is shown can be using the exemplary system architecture 100 of the mobile projector method and device of the embodiment of the present invention
Schematic diagram.
As shown in Figure 1, system architecture 100 may include terminal device 101, server 102 and projection device 103.
It should be understood that the number of terminal device, server and projection device in Fig. 1 is only schematical.According to reality
It now needs, can have any number of terminal device, server and projection device.For example server 102 can be multiple clothes
The server cluster etc. of business device composition.
User can be used terminal device 101 and file be projected on projection device 104 by server 102.Terminal is set
Standby 101 can be the various electronic equipments with display screen, including but not limited to smart phone, tablet computer, portable computing
Machine and desktop computer etc..Such as terminal device 101 responds the trigger action of user, and mobile projector request is sent to clothes
Business device 102, server 102 obtains file to be projected, and projection image's preview data of file to be projected is sent to projection and is set
Standby 103.It is can be avoided in this way by file copy to be projected into projection device 103, the safety such as file data leakage is caused to be asked
Topic；In addition terminal device 101 cuts off active wireless network without in order to connect with projection device 103, connects projection device
103 dedicated wireless networks, eliminate cumbersome operation.
Server 102 can be to provide the server of various services.Such as user utilizes terminal device 101 to server
102 send the mobile projector request about file to be projected, and server 102 responds mobile projector request and preview waits throwing
Then projection image's preview data is sent to projection terminal 103 and realizes projection by shadow file generated projection image preview data,
The cumbersome operation of user is avoided, the safety of file is improved, further improves user experience.
Fig. 2 shows the structural schematic diagrams of the computer system of the electronic equipment suitable for being used to realize the embodiment of the present invention.
It should be noted that Fig. 2 shows the computer system 200 of electronic equipment be only an example, should not be to this hair
The function and use scope of bright embodiment bring any restrictions.
As shown in Fig. 2, computer system 200 includes central processing unit (CPU) 201, it can be read-only according to being stored in
Program in memory (ROM) 202 is loaded into the program in random access storage device (RAM) 203 from storage section 208
And execute various movements appropriate and processing.In RAM 203, it is also stored with various programs and data needed for system operatio.
CPU 201, ROM 202 and RAM 203 are connected with each other by bus 204.Input/output (I/O) interface 205 is also connected to
Bus 204.
I/O interface 205 is connected to lower component: the importation 206 including keyboard, mouse etc.；It is penetrated including such as cathode
The output par, c 207 of spool (CRT), liquid crystal display (LCD) etc. and loudspeaker etc.；Storage section including hard disk etc.
208；And the communications portion 209 of the network interface card including LAN card, modem etc..Communications portion 209 via
The network of such as internet executes communication process.Driver 210 is also connected to I/O interface 205 as needed.Detachable media
211, such as disk, CD, magneto-optic disk, semiconductor memory etc., are mounted on as needed on driver 210, in order to from
The computer program read thereon is mounted into storage section 208 as needed.
Particularly, according to an embodiment of the invention, may be implemented as computer below with reference to the process of flow chart description
Software program.For example, the embodiment of the present invention includes a kind of computer program product comprising be carried on computer-readable Jie
Computer program in matter, the computer program include the program code for method shown in execution flow chart.Such
In embodiment, which can be downloaded and installed from network by communications portion 209, and/or is situated between from detachable
Matter 211 is mounted.When the computer program is executed by central processing unit (CPU) 201, executes in the system of the application and limit
Fixed various functions.
It should be noted that computer-readable medium shown in the present invention can be computer-readable signal media or
Computer readable storage medium either the two any combination.Computer readable storage medium for example can be ---
But be not limited to --- electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor system, device or device, or any above group
It closes.The more specific example of computer readable storage medium can include but is not limited to: have being electrically connected for one or more conducting wires
It connects, portable computer diskette, hard disk, random access storage device (RAM), read-only memory (ROM), erasable type programmable
Reading memory (EPROM or flash memory), optical fiber, portable compact disc read-only memory (CD-ROM), light storage device, magnetic are deposited
Memory device or above-mentioned any appropriate combination.In the present invention, computer readable storage medium, which can be, any includes
Or the tangible medium of storage program, which can be commanded execution system, device or device use or in connection make
With.And in the present invention, computer-readable signal media may include propagating in a base band or as carrier wave a part
Data-signal, wherein carrying computer-readable program code.The data-signal of this propagation can take various forms,
Including but not limited to electromagnetic signal, optical signal or above-mentioned any appropriate combination.Computer-readable signal media can be with
Any computer-readable medium other than computer readable storage medium, which can send, propagate or
Person's transmission is for by the use of instruction execution system, device or device or program in connection.It is computer-readable
The program code for including on medium can transmit with any suitable medium, including but not limited to: wireless, electric wire, optical cable, RF
Etc. or above-mentioned any appropriate combination.
Flow chart and block diagram in attached drawing are illustrated according to the system of various embodiments of the invention, method and computer journey
The architecture, function and operation in the cards of sequence product.In this regard, each box in flowchart or block diagram can be with
Represent a part of a module, program segment or code, a part of above-mentioned module, program segment or code include one or
Multiple executable instructions for implementing the specified logical function.It should also be noted that in some implementations as replacements, side
The function of being marked in frame can also occur in a different order than that indicated in the drawings.For example, two succeedingly indicate
Box can actually be basically executed in parallel, they can also be executed in the opposite order sometimes, this is according to related function
Depending on.It is also noted that the combination of each box in block diagram or flow chart and the box in block diagram or flow chart, it can
To be realized with the dedicated hardware based system for executing defined functions or operations, or specialized hardware and meter can be used
The combination of calculation machine instruction is realized.
Being described in unit involved in the embodiment of the present invention can be realized by way of software, can also be passed through
The mode of hardware realizes that described unit also can be set in the processor.Wherein, the title of these units is at certain
In the case of do not constitute restriction to the unit itself.
As on the other hand, present invention also provides a kind of computer-readable medium, which be can be
Included in electronic equipment described in above-described embodiment；It is also possible to individualism, and without the supplying electronic equipment
In.Above-mentioned computer-readable medium carries one or more program, when said one or multiple programs are by the electricity
When sub- equipment executes, so that method described in electronic equipment realization as the following examples.For example, the electronic equipment
Each step as shown in Figure 5 to Figure 6 may be implemented.
In the related art, the method file in terminal device projected on projector is between there are mainly two types of
It connects mode: (1) copying files on the computer of projection device；(2) file in terminal device is projected by hardware device
Onto screen.It is illustrated below using mobile phone as terminal device.
Fig. 3 shows the specific method for realizing indirect mode (1) in the related technology, and in step 301, mobile phone passes through number
It is connected according to the computer of line and projection device, computer is allowed to obtain the file in mobile phone；In step 302, user's confirmation is wanted
After the file of transmission, file is transferred on computer by data line；In step S303, after computer obtains file, by pre-
It lookes at technology preview this document, and the effect of preview is projected by having had connected the projector of VGA.Certainly in this method
In, it can also be by application software (such as the document on-line normalization of QQ, the file assistant of wechat, E-mail address etc.) by file
It is transferred in computer, is then projected by computer.But there are more problems for this method: user needs to pass file first
It is defeated arrive computer, it is more troublesome；Secondly if being fitted without preview software in computer if be unable to preview file, and then can not
Projection；Final act stays in computer the case where generating leaking data, and there are security risks.
Fig. 4 shows the specific method for realizing indirect mode (2) in the related technology, in step S401, by Apple TV
It is connected to computer, after installing successfully, Apple TV launches ad Hoc wireless network signal；In step S402, mobile phone connection should
Ad Hoc wireless network signal, and then same local area network is in Apple TV；In step S403, mobile phone leads to screen prjection
The mode for crossing Airplay wireless transmission is transferred on Apple TV；In step s 404, Apple TV obtains mobile phone signal source
Afterwards, mobile phone screen is transferred on computer with VGA/HDMI data line；In step S405, screen is by having had connected VGA's
Projector projects.Although this method avoids the step of data line connection computer, but firstly the need of prior installation
Apple TV, and Apple TV can only be projected for carrying the mobile phone of IOS operating system, for carrying the operation such as Android
The mobile phone of system needs to buy other products, improves the cost of enterprise's purchase and maintenance hardware device；Secondly mobile phone needs
The wireless network signal of connection Apple TV is just able to maintain transmission and does not interrupt, and operates relatively complicated；Last Apple TV is to projection
The brand of machine requires, and if not the projector of regulation brand, then the size after projecting may be with the curtain size of projector
It mismatches.
Based on each mobile projector method in the related technology there are the problem of, propose in one embodiment of the invention
A kind of mobile projector method.
Fig. 5 shows the flow chart of mobile projector method of the invention.Referring in particular to shown in Fig. 5, the mobile projector method
It at least includes the following steps:
Step S510: the mobile projector request that mobile terminal generates is received；
Step S520: the encoded information based on the available projection device of mobile projector request, to search projection
Equipment；
Step S530: determining projection device, and connection is established between the mobile terminal and the projection device；
Step S540: it based on the connection between the mobile terminal and the projection device, responds the mobile projector and asks
Seek survival into projection image's preview data of file to be projected；
Step S550: it based on the connection between the mobile terminal and the projection device, is broadcast on the projection device
Put projection image's preview data.
In order to keep technical solution of the present invention apparent, next each step of mobile projector method is illustrated.
In step S510, the mobile projector request that mobile terminal generates is received.
In one embodiment of the invention, file can be stored in terminal device 101；In order to save terminal device
101 memory space, file can be stored in some office applications by user, such as cloud disk storage platform.It simultaneously can be
Corresponding projecting function is developed in office application, arrives user by the file dispensing of desired projection by the projecting function
On curtain.
In one embodiment of the invention, mobile projector request may include the information of file to be projected, can also not
Information including file to be projected.When mobile projector request includes the information of file to be projected, server 102 be can receive
Terminal device 101 is requested according to the mobile projector that the information of file to be projected generates.For example, user first selects file to be projected,
Then mobile projector request is generated by the projection operations such as button or menu touch-control, which requests from terminal device 101
It is sent to server 102, as shown in fig. 6, user opens the text for wanting projection in terminal device 101 by office application
Then part clicks " projection " button, mobile projector request is sent to server 102.When mobile projector request does not include wait throw
When the information of shadow file, server 102 can distinguish the information and movement of the file to be projected of the transmission of receiving terminal apparatus 101
Then projection request requests the information of file to be projected and mobile projector associated.For example, terminal device 101 can respond
The projection operation of user, such as user can issue mobile projector request by button or menu touch-control, then select to be projected
The information of mobile projector request and file to be projected is associated by file, server 102.
In one embodiment of the invention, the information and throwing of file to be projected be may include in mobile projector request
The encoded information of shadow equipment, the information of file to be projected can be file name, file format (.doc .docx .ppt,
.csv .jpg .png .avi .rmvb .mp3 etc.), one or more of attributive character such as file size, such as " one
Kind projecting method .ppt ", the encoded information of projection device can be two-dimensional barcode information, bar code information or radio frequency identification coding
Information etc., while the encoded information of projection device may include projection device identification information and/or projection device site
Identification information, the identification information of projection device site can be the number in meeting room or room, such as " the mansion Xiang Yuan
Room 1601 "；Projection device identification information can be the sequence number etc. of computer in projection device, such as " S/N 99-HC3905 ",
That is mobile projector request can be " a kind of mansion projecting method .ppt+ Xiang Yuan Room 1601 ".When server 102 receives
Mobile projector to terminal device 101 is requested, and can be requested to parse to mobile projector, be obtained the information of file to be projected
With the encoded information of projection device.
In step S520, based on the encoded information of the available projection device of mobile projector request, to search
Projection device.
The mark of projection device identification information and/or projection device site is stored in the database of server 102
The corresponding relationship of information and projection device, after server 102 parses the encoded information for obtaining projection device, according to the projection
The encoded information of equipment searches corresponding projection device 103 in the database.Such as encoded information is stored in server 102
With the mapping relations of the IP address of equipment in projection device 103, by the database of server 102 according to encoded information
Carrying out matching judgment whether there is target information, and if so, corresponding IP address is extracted, if there is no then to terminal
Equipment 101 returns to the prompt information of " object is not present ".
In step S530, projection device is determined, and connection is established between the mobile terminal and the projection device
It connects.
Server 102 receives the mobile projector request of the generation of terminal device 101, is obtained by parsing mobile projector request
After obtaining the information of file to be projected and the encoded information of projection device, corresponding throwing is found according to the encoded information of projection device
Shadow equipment 103, realizes and establishes connection between mobile terminal 101 and projection device 103, and the transmission for file provides road
Diameter.
In step S540, based on the connection between the mobile terminal and the projection device, the mobile throwing is responded
Shadow request generates projection image's preview data of file to be projected.
In one embodiment of the invention, server 102 obtains the information of file to be projected and the coding of projection device
After information, according to the information searching file destination of file to be projected, if file is stored in server 102, server
102 can be matched in the database according to the information of file to be projected, find file destination, and extract corresponding data；Such as
Fruit file is not stored in server 102, but when being stored in a storage server 104, as shown in fig. 6, server
102 can send a file acquisition request to be projected to storage server 104, and storage server 104 responds the text to be projected
Part acquisition request simultaneously returns to file destination to server 102.After server 102 receives corresponding file destination, it can pass through
Preview technology preview file destination generates projection image's preview data；If file is stored in terminal device 101, service
Device 102 can receive the file to be projected of the transmission of terminal device 101, then by preview technology preview file to be projected, generate
Projection image's preview data.The preview technology can be Office preview technology, and invention is not limited thereto certainly.
In step S550, based on the connection between the mobile terminal and the projection device, in the projection device
It is upper to play projection image's preview data.
In one embodiment of the invention, after generating projection image's preview data, server 102 can be according to projection
The encoded information of equipment finds corresponding projection device, after confirming projection device, can send projection image's preview data to
In corresponding room or the projection device of office, in case projection, as shown in Figure 6.
In one embodiment of the invention, projection device 103 may include a controlling terminal and connect with controlling terminal
Projector, which can be laptop, desktop computer etc., and controlling terminal passes through VGA signal wire and projection
Instrument connection.For example, the controlling terminal is connected to according to IP address after server 102 obtains the IP address of projection device, and
Projection image's preview data is sent to the controlling terminal, so that projector launches projection image's preview data onto screen.
Mobile projector method according to the present invention passes through server preview file generated projection image preview to be projected
Data, and the corresponding projection device of encoded information that projection image's preview data is sent to projection device, avoid user and adopt
File is transferred to projection device or cutting current network to connect hardware device private wireless network with data line or application software
The troublesome operation of network, and prevent in the safety problem for forgetting to cause file data to reveal in the case where deleting file, in addition
The cost for saving enterprise's purchase, maintenance hardware device, further improves user experience.
In one embodiment of the invention, server 102 can the mobile projector that generates of first receiving terminal equipment 101
Then request receives the selected information that associated file to be projected is requested with the mobile projector.For example, terminal device 101
It generates mobile projector request and mobile projector request is sent to server 102, server 102 is requested according to mobile projector
Included in the encoded information of projection device search corresponding projection device, make terminal device 101 and projection device 103 it
Between establish connection；Then user selects to request associated projection file, terminal device with mobile projector in terminal device 101
The information for projecting file is sent to server 102 by 101, and server 102 is according to the corresponding projection of acquisition of information for projecting file
File, and preview generates projection image's preview data, for the projection of projection device 103.
In one embodiment of the invention, projection device 103 receives projection image's preview number that server 102 is sent
According to, and it is cached to local.Such as server 102 sends the text of entitled " a kind of projecting method .ppt " to projection device 103
Part, after the controlling terminal in projection device 103 receives the transmission instruction of server 102, confirmation, which receives, simultaneously to be cached in office
In one file, for example, path be C: Documents and Settings Administrator Local Settings
Then the file of Temporary Files is shown using Office tool open this document and on the display screen of controlling terminal
Show, is connect since terminal control has passed through VGA signal wire with projector, so also will appear identical picture on projection screen
Face.
In one embodiment of the invention, the application tool that a light weight can also be developed, in projection device 103
After controlling terminal receives the transmission instruction of server 102, projection image's preview data is delayed by the application tool of the light weight
It is projected on the display screen of controlling terminal there are in the memory of controlling terminal, while by projection image's preview data is full frame.Due to
Terminal control has passed through VGA signal wire and has connect with projector, so when the application tool of the light weight is by projection image's preview data
When being presented in controlling terminal, it also will appear identical picture on projection screen.
Further, in order to improve the safety of file data, server 102 is sent to projection device 103 when instructing,
The terminal device of projection device 103 can be received according to Https agreement and be instructed, and cache corresponding projection image's preview data.
In one embodiment of the invention, the operating main body of projection device 103 can be a user, which can be with
According to the information of the projection devices such as sequence number of terminal device in the number in meeting room or room, projection device 103, production two
Encoded informations, the encoded informations such as dimension code, bar code or radio frequency identification can be pasted on the wall in office or room, control
Equal any positions in terminal processed, the user of using terminal equipment 101 can scan the encoded information, and be sent to server
102, to find corresponding projection device 103.User as shown in Figure 6 opens the text for wanting projection in terminal device 101
There is two-dimensional code scanning frame after clicking " projection " button in part, after the corresponding two dimensional code of scanning input, shows on terminal device 101
Mobile projector request is sent to by 103 site of projection device and projection confirmation message if user clicks " confirmation "
Server 102；If user clicks " abandoning ", cancel this projection operation.
In one embodiment of the invention, for the file of the non-videos/audio format such as .ppt .doc .docx, when
After projection image's preview data of file to be projected successfully projects in projection device 103, user can be set by controlling terminal
The page turning of file on standby 101, to send page turning request to server 102, server 102 is requested according to page turning by target projection
Image preview data is sent to projection device 103, realizes the synchronization page turning of file to be projected in screen；For .mp3 .rmvb
Equal audio/video files can control its playback progress by user in terminal device 101, and the audio after control throwing screen/
The playback progress of video file.
In one embodiment of the invention, after user confirms projection, terminal device 101 can be according to Https anti-eavesdrop
Agreement sends mobile projector request, to further increase the safety of mobile projector request.
The device of the invention embodiment introduced below can be used for executing the above-mentioned mobile projector method of the present invention.For
Undisclosed details in apparatus of the present invention embodiment please refers to the embodiment of the above-mentioned mobile projector method of the present invention.
Fig. 7 diagrammatically illustrates the block diagram of mobile projector device according to an embodiment of the invention.
Referring to shown in Fig. 7, mobile projector device 700 according to an embodiment of the invention, comprising: projection request connects
Receive module 701, encoded information obtains module 702, projection device determining module 703, preview data generation module 704 and preview
Data transmission blocks 705.
Specifically, request receiving module 701 is projected, for receiving the mobile projector request of mobile terminal generation；Coding letter
Breath obtains module 702, for the encoded information based on the available projection device of mobile projector request, is thrown with searching
Shadow equipment；Projection device determining module 703, for determining projection device, and the mobile terminal and the projection device it
Between establish connection；Preview data generation module 704, for based on the connection between the mobile terminal and the projection device,
Respond projection image's preview data that the mobile projector request generates file to be projected；Preview data sending module 705 is used
In based on the connection between the mobile terminal and the projection device, the projection image is played on the projection device
Preview data.
In one embodiment of the invention, mobile projector request includes the information of file to be projected, and projection request receives
Module 701 includes: projection request reception unit 7011, the mobile projector request generated for receiving the mobile terminal.
In one embodiment of the invention, mobile projector request does not include the information of file to be projected, mobile projector dress
Setting 700 includes information receiving module 706 and relating module 707.
Specifically, information receiving module 706, the letter of the file to be projected for receiving the mobile terminal selection
Breath；Relating module 707, for the information of the file to be projected is associated with mobile projector request.
In one embodiment of the invention, the encoded information of projection device include two-dimensional barcode information, bar code information or
Any one in radio frequency identification encoded information.
In one embodiment of the invention, image to be projected to be stored in a storage server or the mobile terminal.
In one embodiment of the invention, preview data generation module 704 include acquisition request transmission unit 7041,
File reception unit 7042 and preview data generation module 7043 to be projected.
Specifically, acquisition request transmission unit 7041 requests to the storage to take for sending a file acquisition to be projected
Business device；File reception unit 7042 to be projected, for receiving the storage server response file acquisition request to be projected
The file to be projected returned；Preview data generation module 7043, the projection image for generating the file to be projected are pre-
Look at data.
In some embodiments of the invention, aforementioned schemes are based on, the preview data generation module 704 in the present invention wraps
Include receiving unit 7044 and generation unit 7045.
Specifically, receiving unit 7044, the file to be projected sent for receiving the mobile terminal；It generates single
Member 7045, for generating projection image's preview data of the file to be projected.
In one embodiment of the invention, preview data sending module 705 includes 7051 He of page turning request reception unit
Preview data transmission unit 7052.
Specifically, page turning request reception unit 7051, for receiving page turning request；Preview data transmission unit 7052 is used
It is requested according to the page turning, target projection image preview data is sent to the projection device, for playing.
In one embodiment of the invention, projection device 103 includes a controlling terminal and connect with the controlling terminal
Projector.
In one embodiment of the invention, preview data sending module 705 includes connection unit 7053 and transmission unit
7054。
Specifically, connection unit 7053, for connecting the controlling terminal；Transmission unit 7054 is used for the projection
Image preview data is sent to the controlling terminal, for playing.
In one embodiment of the invention, controlling terminal stores projection image's preview data in the buffer.
In one embodiment of the invention, preview data generation module 704 includes preview unit 7044, for passing through
Preview technology generates projection image's preview data.
In one embodiment of the invention, it includes searching unit 7021 that encoded information, which obtains module 702, for being based on
The mobile projector request include projection device identification information and/or project site identifications information available projection set
Standby encoded information, to search the projection device.
It should be noted that although be referred in the above detailed description for act execute equipment several modules or
Unit, but this division is not enforceable.In fact, embodiment according to the present invention, above-described two or more
Multimode or the feature and function of unit can embody in a module or unit.Conversely, above-described one
Module or the feature and function of unit can be to be embodied by multiple modules or unit with further division.
Through the above description of the embodiments, those skilled in the art is it can be readily appreciated that example described herein is implemented
Mode can also be realized by software realization in such a way that software is in conjunction with necessary hardware.Therefore, according to this hair
The technical solution of bright embodiment can be embodied in the form of software products, which can store non-at one
In volatile storage medium (can be CD-ROM, USB flash disk, mobile hard disk etc.) or on network, including some instructions are so that one
It calculates equipment (can be personal computer, server, touch control terminal or network equipment etc.) and executes and implement according to the present invention
The method of mode.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to of the invention
Other embodiments.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes
Or adaptive change follow general principle of the invention and including the present invention it is undocumented in the art known in often
Knowledge or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by following
Claim point out.
It should be understood that the present invention is not limited to the precise structure already described above and shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.
Claims (15)
1. a kind of mobile projector method characterized by comprising
Receive the mobile projector request that mobile terminal generates；
Based on the encoded information of the available projection device of mobile projector request, to search projection device；
It determines projection device, and establishes connection between the mobile terminal and the projection device；
Based on the connection between the mobile terminal and the projection device, responds the mobile projector request and generate text to be projected
Projection image's preview data of part；
Based on the connection between the mobile terminal and the projection device, the projection image is played on the projection device
Preview data.
2. mobile projector method according to claim 1, which is characterized in that the mobile projector request includes described wait throw
The information of shadow file；The mobile projector for receiving mobile terminal generation is requested
The mobile terminal is received to be requested according to the mobile projector that the information of the file to be projected generates.
3. mobile projector method according to claim 1, which is characterized in that mobile projector request do not include it is described to
Project the information of file；The mobile projector method includes:
Receive the information of the file to be projected of the mobile terminal selection；
The information of the file to be projected is associated with mobile projector request.
4. mobile projector method according to claim 1, which is characterized in that the encoded information of the projection device is two dimension
Any one in code information, bar code information or radio frequency identification encoded information.
5. mobile projector method according to claim 1, which is characterized in that the file to be projected is stored in storage clothes
It is engaged in device or the mobile terminal.
6. mobile projector method according to claim 5, which is characterized in that the projection for generating the file to be projected
Image preview data includes:
A file acquisition to be projected is sent to request to the storage server；
It receives the storage server and responds the file to be projected that the file acquisition request to be projected returns；
Generate projection image's preview data of the file to be projected.
7. mobile projector method according to claim 5, which is characterized in that generate the projection image of the file to be projected
Preview data includes:
Receive the file to be projected that the mobile terminal is sent；
Generate projection image's preview data of the file to be projected.
8. mobile projector method according to claim 1, which is characterized in that play the projection on the projection device
Image preview data includes:
Receive page turning request；
It is requested according to the page turning, target projection image preview data is sent to the projection device, for playing.
9. mobile projector method according to claim 1, which is characterized in that the projection device include a controlling terminal and
The projector being connect with the controlling terminal.
10. mobile projector method according to claim 9, which is characterized in that play the throwing on the projection device
Shadow image preview data includes:
Connect the controlling terminal；
Projection image's preview data is sent to the controlling terminal, for playing.
11. mobile projector method according to claim 9, which is characterized in that the controlling terminal is by the projection image
Preview data stores in the buffer.
12. mobile projector method according to claim 1, which is characterized in that generate the projection shadow of the file to be projected
As preview data includes: to generate projection image's preview data by preview technology.
13. mobile projector method according to claim 1, which is characterized in that can based on the mobile projector request
The encoded information of projection device includes: to search projection device
Based on the mobile projector request include projection device identification information and/or projection site identifications information it is available
The encoded information of projection device, to search the projection device.
14. a kind of mobile projector device characterized by comprising
Request receiving module is projected, for receiving the mobile projector request of mobile terminal generation；
Encoded information obtains module, for the encoded information based on the available projection device of mobile projector request, with
Search projection device；
Projection device determining module is established for determining projection device, and between the mobile terminal and the projection device
Connection；
Preview data generation module, for responding the shifting based on the connection between the mobile terminal and the projection device
Dynamic projection request generates projection image's preview data of file to be projected；
Preview data sending module, for based on the connection between the mobile terminal and the projection device, in the projection
Projection image's preview data is played in equipment.
15. a kind of computer-readable medium, is stored thereon with computer program, which is characterized in that described program is held by processor
Such as mobile projector method of any of claims 1-13 is realized when row.
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| CN201810187648.2A CN110198463A (en) | 2018-03-07 | 2018-03-07 | A kind of mobile projector method, apparatus, computer-readable medium and electronic equipment |
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| CN201810187648.2A CN110198463A (en) | 2018-03-07 | 2018-03-07 | A kind of mobile projector method, apparatus, computer-readable medium and electronic equipment |
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