CN1168043C - Scanner capable of being connected to a projector to display scanned image - Google Patents
Scanner capable of being connected to a projector to display scanned image Download PDFInfo
- Publication number
- CN1168043C CN1168043C CNB011258330A CN01125833A CN1168043C CN 1168043 C CN1168043 C CN 1168043C CN B011258330 A CNB011258330 A CN B011258330A CN 01125833 A CN01125833 A CN 01125833A CN 1168043 C CN1168043 C CN 1168043C
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- China
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- image data
- user
- projection arrangement
- scanister
- storer
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Abstract
The present invention relates to a scanner capable of being connected to a projector to display a scanned image. Image data are obtained by using a scanning module of a scanner to scan a file, and a central processing unit of the scanner is controlled by using a user interface, which enables a signal processing unit, a memory and an output unit controlled by the central processing unit to be operated. After the image data are processed by the signal processing unit and the memory, the action of a video buffering area is matched, and finally, the image data are output to a projector for the use of users by the output unit so as to simplify configuration and processing between the scanner and the projector, and thus, use can be more convenient.
Description
Technical field
The present invention relates to a kind of scanner, relate in particular to a kind of device that is connected to projection arrangement with display scanned image.
Background technology
Usually we often need use explanation and diagram that projector equipment is made data when making the meeting bulletin.Projector can be divided into " optical projector " and reach " liquid crystal projector " two kinds according to user's needs, and its main difference is that optical projector is used in the performance of static data usually, only needs to cooperate transparency to get final product; Liquid crystal projector then can use with the mobile computer line, to show the various effects that can do in computing machine, is the most general present bulletin mode of doing.
General liquid crystal projector system in order to the data projection on the computing machine to screen.When using liquid crystal projector, if having computing machine and desire the e-file of projection, can be easily with the data projection of e-file to screen.
Yet, when user's data to display are not e-file, can utilize the mode of photomechanical printing, file data is imprinted on the transparency, be projeced on the screen by optical projector again.Perhaps, also can utilize scanner that file data is scanned in the computing machine and deal with, carry out the action of projection again via the line of computing machine and liquid crystal projector.
In adopting transparency and the mode of optical projector, all must use transparency with the display file data.So, after no transparency is abandoned, will cause the problem in the environmental protection, and also must possess photoprinter, and then cause the inconvenience in the use for the photomechanical printing transparency.In the mode that adopts scanner and liquid crystal projector, must make intermediate treatment between scanner and the projector by computing machine at present, not only the use complexity height of equipment is also quite inconvenient in the use.
Summary of the invention
Fundamental purpose of the present invention provides a kind of scanister that is connected to projection arrangement with display scanned image, its with the scanner scans file after resulting image data, directly reach this projector after treatment and project on the screen, simplify configuration between scanner and projection arrangement and processing according to this and allow use more easy.
Another order of the present invention is that a kind of scanister that is connected to projection arrangement with display scanned image is being provided, and it can after further handling, storE the resulting image of scanner scans file in storer and play for playing one by one or selecting.
Another purpose of the present invention is that a kind of scanister that is connected to projection arrangement with display scanned image is being provided, and it has connected memory storage for the stored images data, or by reading electronic data in the memory storage, and reach projection arrangement to play out image.
Below, be described with reference to the accompanying drawings preferable feasible embodiment promptly at above-mentioned purpose.
Description of drawings
Figure 1 shows that connection diagram according to scanner 20 with the projection arrangement 10 of first embodiment of the invention.
Figure 2 shows that scanner 20 in-built calcspars according to preferred embodiment of the present invention.
Figure 3 shows that scanner 20 in-built calcspars according to second embodiment of the invention.
Figure 4 shows that scanner 20 in-built calcspars according to third embodiment of the invention.
Embodiment
[first embodiment]
Figure 1 shows that the connection diagram of scanner 20 that first embodiment of the invention connects and projection arrangement 10.In Fig. 1, be electrically connected to each other by signal line 60 between this scanner 20 and the projection arrangement 10.Therefore can transfer to projection arrangement 10 by signal line 60 from scanner 20 resulting scan-image data, be presented on the projection screen (not shown) by projection arrangement 10 again.
Figure 2 shows that the scanner 20 in-built calcspars of preferred embodiment of the present invention.In Fig. 2, scanner 20 comprises scan module 21, signal processing control unit 22, storer 23, screen buffer 24, output unit 25, CPU (central processing unit) 26, user's interface 27 and memory storage 28.Wherein, this scan module 21 comprises a plurality of OPTICAL SENSORS 41.This signal processing control unit 22 comprises the specific use integrated circuit (ASIC) 42 in order to the running of gated sweep module 21, and in order to handle (for example compression) JPEG wafer 43 from the signal of video signal of OPTICAL SENSORS 41.
Referring to Fig. 1 and Fig. 2, after the user is pressing scanning key 46, promptly send signal and remove to control specific use integrated circuit 42 and scan (can be one or more image), and from OPTICAL SENSORS 41, obtain first image data 31 of scanning with driven sweep module 21 with control CPU (central processing unit) 26 from user's interface 27.And after first processing of image data 31 through specific use integrated circuit 42 and JPEG wafer 43, produce second image data 32 and deposit to transfer in the storer 23.
When the user pressed play button 50, user's interface 27 promptly sent signal and transfers to screen buffer 24 with second image data 32 in the control store 23.Both transmission modes of storer 23 and screen buffer 24 can be direct memory access (DMA) (Direct Memory Access, DMA) interfaces.Another kind of feasible mode is that CPU (central processing unit) 26 directly reads second image data 32 in the storer 23, and second image data 32 is sent to screen buffer 24.Second image data 32 in the screen buffer 24 produces the 3rd image data 33 to be sent to projection arrangement 10 after transferring to output unit 25 processing.Wherein, the transmission interface in output unit 25 and the projection arrangement 10 can be VGA (Video Graphics Array) interface, AV (sound is looked signal) interface, DVI (digital vision transmission interface) or the like.
It should be noted that if the capacity of storer 23 is enough big the user can be scanned a plurality of image datas (can realize with automatic sheet feeder or many files of manual scanning).At this moment, the user just can press play button 50 and play selected image via the image of operation options button 47 and 48 to select to play again.
On the other hand, after the user presses storage key 51, user's interface 27 will be controlled second image data 32 that this CPU (central processing unit) 26 will deposit in the storer 23 and be stored in the memory storage 28.Above-mentioned alleged memory storage 28 can be the memory storage of floppy disk, hard disk, CD, storage card etc.So, the user just can take away the data of being play.
Except the storage data, scanner 20 of the present invention also can be exported the electronic data that is stored in the memory storage 28 to projection arrangement 10 for broadcast.Promptly when the user press read key 49 after, these CPU (central processing unit) 26 of user's interface 27 control read electronic data from memory storage 28, and with electronic data storage to the storer 23 as second image data 32.And the mode that thereupon second image data 32 is transferred to projection arrangement 10 is identical with aforesaid way, is not described in detail in this.
[second embodiment]
Figure 3 shows that the scanner 20 in-built calcspars of second embodiment of the invention.In present embodiment, scanner 20 also comprises scan module 21, signal processing control unit 22, storer 23, screen buffer 24, output unit 25, CPU (central processing unit) 26, reaches user's interface 27.
What present embodiment was different with first embodiment is, memory storage 28 not necessarily is equipped with substantially, and all the other structures are then all identical with first embodiment.So present embodiment also can be realized the function of scanning projection with the mode of operation of first embodiment, so no longer describe in detail in this.
[the 3rd embodiment]
Figure 4 shows that the scanner 20 in-built calcspars of third embodiment of the invention.In the present embodiment, scanner 20 also comprises scan module 21, signal processing control unit 22, storer 23, screen buffer 24, output unit 25, CPU (central processing unit) 26, user's interface 27, reaches memory storage 28.Different with first embodiment is that signal processing control unit 22 only comprises specific use integrated circuit 42.Under this situation,, do not need JPEG wafer 43 to come packed data as long as the capacity of storer 23 is enough big.All identical as for all the other structures with first embodiment with mode of operation, no longer describe in detail in this.
According to scanner of the present invention, the user can be under not computed situation, easily with file scan and via projection device to screen.So, the user can directly use written data such as the file of prining out, books, magazine, newspaper when making the meeting bulletin.Under also need not situation, need that also written data is printd into transparency and just showed as traditional optical projector.Therefore, scanner of the present invention can be the user effect quite easily is provided.
Claims (13)
1. scanister that can be connected to projection arrangement with display scanned image comprises:
The one scan module obtains first image data in order to scan at least one file;
One signal processing control unit receives and handles this first image data, to obtain second image data;
One storer receives and stores this second image data;
One screen buffer receives at least a portion from second image data of this storer;
One output unit receives and handles second image data from this screen buffer, and exports the 3rd image data to this projection arrangement;
One CPU (central processing unit) is controlled the running of this signal processing control unit, this storer, this output unit; And
One user's interface is electrically connected with this CPU (central processing unit), uses the running of controlling this CPU (central processing unit) for the user.
2. the scanister that is connected to projection arrangement with display scanned image as claimed in claim 1, wherein this user's interface comprises the one scan key, this at least one file of scanning for user's control.
3. the scanister that is connected to projection arrangement with display scanned image as claimed in claim 2, wherein this user's interface also comprises a group selection key, for user's selection at least a portion from second image data of this storer.
4. the scanister that is connected to projection arrangement with display scanned image as claimed in claim 3, wherein this user's interface also comprises a play button, will export in this projection arrangement from least a portion of second image data of this storer for user control.
5. the scanister that is connected to projection arrangement with display scanned image as claimed in claim 1, also comprise a memory storage that is electrically connected with this CPU (central processing unit), and this CPU (central processing unit) is in order to second image data of processing from this storer, and second image data that will handle stores in this memory storage.
6. the scanister that is connected to projection arrangement with display scanned image as claimed in claim 5, wherein this user's interface comprises:
The one scan key, this at least one file of scanning for user's control; And
One storage key will be stored in this memory storage from second image data of this storer for user's control.
7. the scanister that is connected to projection arrangement with display scanned image as claimed in claim 6, wherein this user's interface also comprises a group selection key, will be stored in this memory storage from least a portion of second image data of this storer for user control.
8. the scanister that is connected to projection arrangement with display scanned image as claimed in claim 1, also comprise a memory storage that is electrically connected with this CPU (central processing unit), this memory device stores has electronic data, and this CPU (central processing unit) is accepted the control from user's interface, and come from electronic data in this memory storage, and data processed is sent in the storer with as this second image data in order to processing.
9. the scanister that is connected to projection arrangement with display scanned image as claimed in claim 1, wherein this signal processing control unit comprises a specific use integrated circuit, in order to controlling the action of this scan module, and receive this first image data from this scan module.
10. the scanister that is connected to projection arrangement with display scanned image as claimed in claim 9, wherein this signal processing control unit also comprises a JPEG wafer, in order to compression from first image data of this specific use integrated circuit producing second image data, and second image data is exported in this storer.
11. the scanister that is connected to projection arrangement with display scanned image as claimed in claim 1, wherein this output unit comprises digital vision transmission interface (DVI).
12. the scanister that is connected to projection arrangement with display scanned image as claimed in claim 1, wherein this output unit comprises video circular array (VGA) interface.
13. the scanister that is connected to projection arrangement with display scanned image as claimed in claim 1, wherein this output unit comprises that sound looks signal (AV) interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011258330A CN1168043C (en) | 2001-08-29 | 2001-08-29 | Scanner capable of being connected to a projector to display scanned image |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011258330A CN1168043C (en) | 2001-08-29 | 2001-08-29 | Scanner capable of being connected to a projector to display scanned image |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1404001A CN1404001A (en) | 2003-03-19 |
| CN1168043C true CN1168043C (en) | 2004-09-22 |
Family
ID=4666090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011258330A Expired - Fee Related CN1168043C (en) | 2001-08-29 | 2001-08-29 | Scanner capable of being connected to a projector to display scanned image |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1168043C (en) |
-
2001
- 2001-08-29 CN CNB011258330A patent/CN1168043C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1404001A (en) | 2003-03-19 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040922 Termination date: 20180829 |
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| CF01 | Termination of patent right due to non-payment of annual fee |