CN100444080C - Notebook computer with calling eard and/or file scanning function - Google Patents
Notebook computer with calling eard and/or file scanning function Download PDFInfo
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- CN100444080C CN100444080C CNB2006100839676A CN200610083967A CN100444080C CN 100444080 C CN100444080 C CN 100444080C CN B2006100839676 A CNB2006100839676 A CN B2006100839676A CN 200610083967 A CN200610083967 A CN 200610083967A CN 100444080 C CN100444080 C CN 100444080C
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- 238000012545 processing Methods 0.000 claims description 18
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- 239000004973 liquid crystal related substance Substances 0.000 abstract 1
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- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
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Abstract
The present invention relates to a notebook computer with business card and/or file scanning functions, which comprises a vidicon which is electrically connected to a notebook computer host machine. The interior of the liquid crystal display panel of the notebook computer is provided with an extending containing space from the back surface of the panel to the front surface of the panel. The vidicon is arranged inside the containing space in a fixed or a rotatable mode, which makes the vidicon at least align the preset areas of the back side of the panel when the opening angles of the panel and a main body of the host machine to conveniently scan a business card or documents in the preset areas. The containing space is preferably positioned above a displaying screen of the notebook computer. The preset angles are not less than 90 DGE; an area on a flat surface limited by the main body of the host machine is preferably selected as the preset area; the vidicon can be preferably arranged in a rotatable mode. The notebook computer with business card and/or file scanning functions is convenient for scanning scan objects in a fixed mode, has the advantage of portability, and is convenient for reducing volume.
Description
Invention field
The present invention relates to the scanning field, more specifically, relate to notebook computer with business card and/or file scanning function.
Background technology
The identification of business card or file scanning is to make literal in business card and the document etc. be input to a kind of technology in computing machine or other electronic equipments more easily.In short, the mode that this technology is used optical pickup is transformed into image file with literal etc., converts image file to text formatting by corresponding identification software then.Business card on the market or file scanning equipment generally are what to separate with electronic equipment such as desktop PC, notebook computer, and when carrying out business card or file scanning, scanning device and above-mentioned electronic equipment are indispensable.
Have recent years the people to propose to carry out business card or file scanning, but the image sensor resolutions that common PC camera uses is lower, can't satisfy the technical requirement of business card or file scanning with the PC camera.And the user still needs to prepare independent camera and computer equipment.In addition, when carrying out business card or file scanning, can not will be scanned the object fixed placement usually, for example need the user that it is hand held first-class, cause inconvenient operation, quality of scanning to can not get guaranteeing based on such scheme.
Summary of the invention
The objective of the invention is provides a kind of notebook computer that carries out business card or file scanning at above-mentioned prior art defective.
The invention provides a kind of notebook computer with business card and/or file scanning function, it comprises that one is electrically connected to the camera of notebook host, be provided with an accommodation space that extends to described panel front surface from described panel rear surface in the notebook computer panel of LCD, described camera is installed in this accommodation space with fixed form or rotating mode, make when described panel surpasses predetermined angular with respect to the opening angle of main frame body, described camera can be aimed at the presumptive area that is positioned at described panel rear side at least, so that the business card or the document that are opposite in the described presumptive area scan.
When utilizing notebook computer of the present invention to carry out business card or file scanning, can will be scanned the object fixed placement, easy to operate.In addition, notebook computer of the present invention is embodied as self a part with camera, helps reducing volume, is easy to carry.
The accompanying drawing summary
Only by way of example, the preferred embodiments of the invention are described in more detail with reference to accompanying drawing, wherein:
Fig. 1 shows according to synoptic diagram a preferred embodiment of the present invention, that have the notebook computer of business card and/or file scanning function;
The typical situation that Fig. 2 shows utilization when carrying out business card or file scanning according to notebook computer of the present invention;
Fig. 3 schematic illustrations according to the structure of the notebook computer of a preferred embodiment of the present invention;
Fig. 4 is the mounted inside synoptic diagram according to the camera in the notebook computer of a preferred embodiment of the present invention.
Embodiment
The invention provides a kind of notebook computer with business card and/or file scanning function.In notebook computer LCD (LCD) panel, be provided with one from its rear surface the accommodation space that extends of surface forward, a camera is installed in this accommodation space.
The user generally has following situation when using notebook computer: notebook computer is opened certain angle, be about to notebook computer LCD panel and open certain angle with respect to the notebook host body, this angle is generally near the acute angle of 90 degree or is not less than 90 degree; The user faces the notebook computer display screen to carry out relevant operation.Given this, camera is installed like this, that is: make when notebook computer LCD panel surpasses predetermined angular with respect to the opening angle of notebook host body, camera can be aimed at the presumptive area that is positioned at described panel rear side at least, so that the business card or the document that are opposite in the described presumptive area scan.Described presumptive area depends on structure, its conventional situation etc. of using of notebook computer.For example, do not comprise at notebook computer itself under the situation of mechanism's (as bracing frame) of being used to place object to be scanned etc., use situation according to the routine of notebook computer, described presumptive area can be, for example, during the notebook computer horizontal positioned, the somewhere, below of LCD back side of panel.For another example, have at notebook computer under the situation of the supporting mechanism that is used to place object to be scanned, the concrete situation of supporting mechanism when being in user mode according to notebook computer, described presumptive area can have multiple situation, as: notebook computer horizontal positioned, when being in user mode, described supporting mechanism is suitable for object to be scanned is vertically placed, and then described presumptive area can be the sweep object put area on the supporting mechanism, and this regions perpendicular is in the loading end at notebook computer place; The notebook computer horizontal positioned, when being in user mode, described supporting mechanism is suitable for the object to be scanned horizontal positioned, then described presumptive area can be the sweep object put area on the supporting mechanism, and this zone is parallel to the plane at notebook host body place; Or the like.But, camera is towards certain specific region the time, and its coverage must comprise that the gamut that limited by camera position and this specific region and this scope are at the expanded range that deviates from the camera direction.Therefore, when based on mentioned above principle camera being installed, by the difference of notebook computer opening angle and/or the rotation of camera, in fact camera can aim at other extensive region that are positioned at the notebook computer panel rear side.
When notebook computer is in user mode, normally lie in a horizontal plane on the loading end of desktop and so on, so aim at the below of LCD back side of panel by making camera, the somewhere that can directly be placed on sweep object on the loading end easily, is positioned at LCD back side of panel below is scanned, and will be that example is described in detail with this situation after a while.
Accommodation space in the notebook computer LCD panel can be arranged on the correct position in this panel.Will appreciate that after a while this accommodation space may run through the thickness direction of panel, also may not run through the thickness direction of panel.For the former, for example, this accommodation space can be arranged at somewhere adjacent with the notebook computer display screen in the described panel, for example the display screen left side or somewhere, the right.Preferably, this accommodation space is arranged on notebook computer display screen top.More preferably, this accommodation space is arranged on the middle of notebook computer display screen top, as shown in Figure 1.For the latter, according to concrete situation, except that all places that exemplifies above, accommodation space also can be arranged on many other positions, for example, and somewhere, panel middle part.
Camera can fixed form or rotating mode install, the latter is a preferred version.
When adopting fixed form, accommodation space can be the groove that extends to its front surface from notebook computer LCD panel rear surface, described camera is fixedly mounted in the accommodation space, make when described panel surpasses predetermined angular with respect to the opening angle of notebook host body, camera is aimed at and is positioned at the presumptive area of described panel rear side, so that the business card or the document that are opposite in the described presumptive area scan.Described presumptive area can be: during the notebook computer horizontal positioned, on the loading end at main frame body place, be positioned at certain zone of described back side of panel below.Those of ordinary skill in the art will be understood that can be by the method for various prior aries, and for example the installation method of built-in non-rotatable camera in the mobile phone is fixedly mounted on camera in the above-mentioned accommodation space, is not described further here.
When adopting rotating mode, accommodation space can be the groove that extends to its front surface from notebook computer LCD panel rear surface, described camera is installed in the accommodation space in rotating mode, makes camera can be in accommodation space carry out the rotations that maximum is no more than 180 degree with respect to the opening direction or the reverse direction of notebook host body along described panel.Like this, compare with the said fixing mode, when described panel surpasses predetermined angular with respect to the opening angle of main frame body, the zone that camera can photograph increases greatly, that is to say, camera also can be aimed at some zone beyond the presumptive area, scans thereby can object to be scanned be placed in this some zone as required.For example, suppose that presumptive area is certain zone on the plane that limited of main frame body, that be positioned at described panel rear side, the current aligning presumptive area of camera, then by with respect to the reverse direction of the opening direction of main frame body camera being rotated suitable angle, camera is aimed at for example be positioned at certain zone on plane described panel rear side, that limited perpendicular to the main frame body along described panel.
Further, when adopting rotating mode, accommodation space can also for extend to its front surface from notebook computer LCD panel rear surface always, until the hollow groove that runs through its thickness direction (comprising the groove that caves in inwards from certain edge of described panel).At this moment, described camera is installed in the accommodation space in rotating mode, and they can be along opening direction or reverse direction rotation at least 180 degree of described panel with respect to the notebook host body in accommodation space.In a preferred embodiment, rotatable 225 degree of camera.Like this, the situation that does not run through described plate thickness direction with accommodation space is compared, and can bring other advantages.For example, camera also can be used for other purposes except that can be used for business card or file scanning.For example, by camera being rotated to towards the zone of described panel front side, the user can autodyne or carry out Video chat etc.In addition, the rotation of shooting wide-angle on first watch helps carrying out more neatly in all cases business card or file scanning.In a word, in this case, can make camera aim at presumptive area or other places of user or aligning notebook computer LCD panel rear side neatly according to the current function that will realize.
Those of ordinary skill in the art will be understood that, have a lot of methods to can be used to camera is installed in the above-mentioned accommodation space in rotating mode in the prior art, as a kind of mode of normal employing for the camera both sides are coupling in accommodation space by rotation axis.In addition, installing in rotating mode under the situation of camera, camera can manual mode rotates or rotates automatically by the drive unit of CD-ROM drive motor and so on.Rotatable mechanism is positioned at the known technology that desired location is this area, and its embodiment has a lot.For the present invention, can select for use according to the shape of the notebook computer of concrete enforcement, size and to the specific design of accommodation space in its panel.With the manual mode is example, and a kind of mode commonly used is as follows: as required, the correct position in accommodation space is provided with the circular arc detent, at the correct position of camera the circular arc locating convex block is set correspondingly; When camera rotates to required angle, touch by hand camera and its locating convex block is slipped in the detent get final product.
In addition, according to notebook computer of the present invention, it is when opening predetermined angular, and its camera can be aimed at the presumptive area of notebook computer LCD panel rear side at least.Described certain angle can be selected in conjunction with the relative motion of accommodation space and camera in the size of notebook computer, the LCD panel etc.
With reference to Fig. 2, a kind of typical situation when it shows utilization and carries out business card or file scanning according to notebook computer of the present invention.Among the figure, notebook computer, camera and be scanned business card or the state of document or position relation as follows: notebook computer horizontal positioned, and open an angle, this angle is preferably roughly between 145 degree and 175 degree; Camera is aimed at notebook computer LCD panel below; Be scanned loading end that business card or document lie in the notebook computer back for example on the desktop, and be positioned at the below of camera.
About situation shown in Figure 2, if camera is rotatable, and rotatable at least 180 degree, the initial position of camera (normality position) can be configured to corresponding following situation: when notebook computer is under the aforementioned general user mode, when camera is in initial position, camera is over against the user in notebook computer display screen the place ahead; At this moment, if will carry out business card or file scanning, need to make its aligning be positioned at certain zone of LCD panel rear side with respect to the opening direction rotating certain angle of main frame body camera LCD panel when opening notebook computer.Perhaps, the initial position of camera can be configured to corresponding following situation: when notebook computer is under the aforementioned general user mode, when camera is in initial position, camera points to notebook computer LCD panel rear side zone; At this moment,, possibly camera is rotated an angle, make its camera lens for example over against the notebook computer user if will carry out business card or file scanning other operation in addition.
Explanation is according to the structure of notebook computer of the present invention now.The principle of work of elder generation's brief description camera, roughly as follows: object projects on the image sensor surface by the optical imagery that camera lens generates, and handles through digital signal processing chip then, is transferred to notebook computer by string, parallel port or USB interface etc. again.
Notebook computer according to the present invention comprises main frame, is electrically connected to the camera of main frame, and wherein camera comprises camera lens, obtains the imageing sensor of target image and target image is handled and sent it digital signal processing controller of notebook host to by camera lens.The digital signal processing controller can be connected with notebook host by string, parallel port or USB interface etc.
Imageing sensor is preferably ccd image sensor or the cmos image sensor of resolution more than or equal to 1,300,000 pixels.With the business card scan is example, at present the name card size that uses the chances are 90 mm wides.Use the resulting DPI of imageing sensor (dots per inch, the per inch of counting) of 1,300,000 pixels (wide 1280 points * high 1024 points) roughly to be calculated as: 1280 ÷ (90 ÷ 25.4)=361.Therefore, than higher resolution the character on the business card, numeral and Chinese character are scanned like this, can obtain reasonable picture quality, and can significantly improve recognition accuracy.
Camera lens is preferably the automatic focusing camera lens, and for example voice coil motor or stepper motor driven focusing lens are first-class, to adapt to camera lens to being scanned different distance between object or camera lens to the different distances that are scanned between object.Under this situation, the automatic focusing camera lens can be connected to digital signal processing controller (as shown in Figure 3), and is controlled based on the acutance of the whole target image that is obtained by the digital signal processing controller.More specifically, the acutance of based target image, the focal length of regulating camera lens is until determining that being scanned object is focused.
Further specify the preferred embodiments of the invention below with reference to Fig. 3.
Camera can comprise that also one is connected to the digital signal processing controller, controllable highlighted LED lamp, and this LED lamp can be controlled based on the brightness of the target image that is obtained by the digital signal processing controller, with the lighting condition that conforms.For example, under the ambient light or the bad situation of throwing light on, the digital signal processing controller extracts the monochrome information of the target image that is obtained, and provides suitable floor light based on this LED lamp of this information Control, guarantees the effect of captured picture.
As previously mentioned, camera preferably is set to rotating.Under the situation of rotatable at least 180 degree of camera, camera also preferably includes a upset detection part, it rotates with respect to its initial position and equals or exceeds 180 when spending detecting camera, produce one and show that the signal of upset takes place camera, so that target image on the notebook computer display screen to be shown is done corresponding upset.This upset detection part can be connected to the digital signal processing controller, at this moment, the signal of its generation offers notebook host by the digital signal processing controller, impel webcam driver software in the notebook computer to treat the image that is presented on the display screen and do corresponding upset, to guarantee rotating under the situation of any angle with respect to initial position at camera, the image that shows on screen is watched thereby be convenient to the user with respect to constant all the time by the position of imaging object relation.The structure of this upset detection part can be according to the size and dimension of accommodation space on the notebook computer, select in the prior art a kind of in numerous schemes for use, as a kind of mode commonly used is to adopt a upset detector switch, and can be provided with one in the relevant position in the described accommodation space and touch projection, make and to equal or exceed 180 when spending with respect to its initial position rotation when camera, the contact of upset detector switch is touched by the described projection that touches, thereby produces energizing signal.
Illustrate the process that the notebook computer that uses Fig. 3 carries out business card and/or file scanning now.Notebook computer, its camera and be scanned business card or the state of document or position relation can be as shown in Figure 2, the wherein state of camera and be scanned business card or the position of document can be adjusted by the preview process of camera.Then, the webcam driver software startup treats that the automatic focusing camera lens finishes defocused, and business card or document are scanned.Imageing sensor obtains the image that is scanned object by camera lens, and this image sends notebook host to by USB interface after the digital signal processing controller is handled.During this, according to concrete ambient lighting conditions, the LED lamp may provide floor light under the control of digital signal processing controller, also may not can.In addition, if camera is to rotate at least 180 degree with respect to initial position just to be in state shown in Figure 2 afterwards, the detector switch that then overturns can carry out aforementioned relevant the processing.Then, described image is carried out data analysis and data extraction, finally finish the scanning of business card or document and the identification of literal by the identification software of being responsible for business card scan identification or file scanning identification.Described image can carry out the correction of camera lens curve to it by webcam driver software before being provided for identification software, the anamorphose that causes with the curved surface of removing because of camera lens.As the case may be, in said process, also can carry out other processing to described image.
Provide a specific embodiment below according to camera in the notebook computer of the present invention, the camera circuit board that camera uses Beijing Z-Star Microelectronics to produce, this circuit board is as shown in Figure 4.Wherein imageing sensor 4 is the imageing sensor of 1,300,000 pixels or higher pixel; Digital signal processing controller 3 is the VC03XX series multimedia controller of the USB2.0 interface of Beijing Z-Star Microelectronics, is connected to notebook host by USB2.0 interface 1; The camera lens (not shown) is voice coil motor or stepper motor driven focusing lens, and the top that it is arranged on imageing sensor 4 is connected to general input and output (GPIO) output port of multimedia controller and controlled by it; Camera also comprises the GPIO output port that is connected to multimedia controller and is subjected to the highlighted LED lamp 5 of its control, is connected to the upset detector switch 6 of the GPIO input port of multimedia controller.Can embed the requirement that is installed in the at present general on the market notebook computer for camera is satisfied, the size of foregoing circuit plate designs between about 70 * 11mm to 60 * 8mm usually.
Although described above-mentioned embodiment of the present invention, by reading and grasping principle of the present invention and instruction, those skilled in the art can carry out various remodeling to embodiment disclosed herein.Thereby scope of the present invention is limited by the claim that is attached to here.
Claims (13)
1. notebook computer with business card and/or file scanning function, comprise that one is electrically connected to the camera of notebook host, be provided with an accommodation space that extends to described panel front surface from described panel rear surface in the notebook computer panel of LCD, described camera is installed in this accommodation space with fixed form or rotating mode, make when described panel surpasses predetermined angular with respect to the opening angle of main frame body, described camera can be aimed at the presumptive area that is positioned at described panel rear side at least, so that the business card or the document that are opposite in the described presumptive area scan.
2. notebook computer as claimed in claim 1 is characterized in that, described presumptive area is positioned on the plane that the notebook host body limited.
3. notebook computer as claimed in claim 1 is characterized in that, described predetermined angular is not less than 90 degree.
4. notebook computer as claimed in claim 3 is characterized in that, described predetermined angular is between 145 degree and 175 degree.
5. notebook computer as claimed in claim 1 is characterized in that, described accommodation space is arranged at notebook computer display screen top.
6. notebook computer as claimed in claim 1 is characterized in that, described camera comprise camera lens, by described camera lens obtain target image imageing sensor, target image is handled and is sent it digital signal processing controller of described main frame to.
7. notebook computer as claimed in claim 6 is characterized in that described imageing sensor has the resolution of at least 130 ten thousand pixels, and described camera lens is the automatic focusing camera lens.
8. notebook computer as claimed in claim 7 is characterized in that, described automatic focusing camera lens is controlled by the acutance of described digital signal processing controller based target image.
9. notebook computer as claimed in claim 6 is characterized in that, described camera also comprises the controllable LED lamp that is used to provide floor light, and its brightness by described digital signal processing controller based target image is controlled.
10. as the described notebook computer of arbitrary claim among the claim 1-9, it is characterized in that described camera is installed in rotating mode, its rotation direction is identical or opposite with respect to the opening direction of main frame body with described panel.
11. notebook computer as claimed in claim 10 is characterized in that, described accommodation space extends to the front surface of described panel always, runs through the thickness direction of described panel.
12. notebook computer as claimed in claim 11 is characterized in that, rotatable at least 180 degree of described camera.
13. notebook computer as claimed in claim 12, it is characterized in that, described camera comprises a upset detection part, it rotates with respect to initial position and equals or exceeds 180 when spending detecting described camera, produce one and show that the signal of upset takes place described camera, so that target image on the notebook computer display screen to be shown is done corresponding upset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100839676A CN100444080C (en) | 2006-06-16 | 2006-06-16 | Notebook computer with calling eard and/or file scanning function |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100839676A CN100444080C (en) | 2006-06-16 | 2006-06-16 | Notebook computer with calling eard and/or file scanning function |
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| CN1862445A CN1862445A (en) | 2006-11-15 |
| CN100444080C true CN100444080C (en) | 2008-12-17 |
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| CN106020342A (en) * | 2013-04-25 | 2016-10-12 | 高燕妮 | A notebook computer |
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| CN111401092B (en) * | 2020-03-20 | 2022-02-08 | 合肥联宝信息技术有限公司 | Scanner and information display method based on flexible screen |
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| CN1862445A (en) | 2006-11-15 |
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