CN207150695U - Photosensitive device with inclined background sheet - Google Patents
Photosensitive device with inclined background sheet Download PDFInfo
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- CN207150695U CN207150695U CN201720932143.5U CN201720932143U CN207150695U CN 207150695 U CN207150695 U CN 207150695U CN 201720932143 U CN201720932143 U CN 201720932143U CN 207150695 U CN207150695 U CN 207150695U
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- background
- lighting apparatus
- photosensory assembly
- scanning window
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- 230000001939 inductive effect Effects 0.000 claims description 25
- 239000000758 substrate Substances 0.000 claims description 21
- 238000004020 luminiscence type Methods 0.000 claims description 17
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- 229920001155 polypropylene Polymers 0.000 claims description 4
- 238000007639 printing Methods 0.000 claims description 4
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- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000004425 Makrolon Substances 0.000 claims 1
- WGWACCCAJWZIML-UHFFFAOYSA-N benzene;buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N.C1=CC=CC=C1 WGWACCCAJWZIML-UHFFFAOYSA-N 0.000 claims 1
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- 230000000694 effects Effects 0.000 abstract description 16
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
- H04N1/00729—Detection means
- H04N1/00734—Optical detectors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
- H04N1/00763—Action taken as a result of detection
- H04N1/00774—Adjusting or controlling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Scanning Arrangements (AREA)
- Image Input (AREA)
Abstract
A photosensitive device with an inclined background sheet comprises a paper feeding channel, a first photosensitive assembly and a first background sheet. The paper feeding channel is provided with a scanning window. The first photosensitive assembly is arranged on the first side of the scanning window and emits first scanning light towards the scanning window. The first background sheet is arranged on the second side of the scanning window and is provided with a first reflecting surface, and the first reflecting surface reflects the first scanning light passing through the scanning window to pass through the scanning window and return to the first photosensitive assembly. The first reflecting surface of the first background sheet is arranged in a non-parallel way with the scanning window. The photosensitive device can further comprise a second photosensitive assembly and a second background sheet. The second photosensitive assembly is arranged on the second side of the scanning window and emits a second scanning light towards the scanning window. Therefore, the boundary detection effect can be achieved.
Description
Technical field
A kind of lighting apparatus is the utility model is related to, more particularly to a kind of lighting apparatus with sloping background piece.
Background technology
In traditional lighting apparatus of for example paper feeding scanner, because to carry out the correction of standard white, need
One background plate come allow illuminant module carry out standard white correction.Most file is all with white background, therefore, photosensitive mould
The white background that block senses is generally little with the luminance difference of background plate, and lighting apparatus can not be allowed seek the action on side, this
Act is unfavorable for automatic edge cutting (Auto-crop) and skew corrected (De-skew).Although a black background can be provided,
Black background is unfavorable for the correction of standard white, and therefore, black background can be used only in falt bed scanner.
Therefore, how to provide it is a kind of can carry out automatic edge cutting and the lighting apparatus of skew corrected, be that this case is to be solved
Problem.
Utility model content
A purpose of the present utility model is to provide a kind of lighting apparatus with sloping background piece, for providing automatic cutting
Side and the function of skew corrected.
To reach above-mentioned purpose, the utility model provides a kind of lighting apparatus, comprising paper feed passage, the first photosensory assembly with
And first background plate.Paper feed passage has scanning window.First photosensory assembly be arranged at scanning window the first side, and towards scanning window
Send the first scanning ray.First background plate is arranged at the second side of scanning window, and has the first reflecting surface, and the first reflecting surface will
Reflected by the first scanning ray for scanning window through scanning window to return to the first photosensory assembly.First reflection of the first background plate
Face is non-parallel setting with scanning window.
Above-mentioned lighting apparatus can also include the second photosensory assembly and the second background plate.Second photosensory assembly, which is arranged at, to be swept
The second side of window is retouched, and the second scanning ray is sent towards scanning window.Second background plate is arranged at the first side of scanning window, and has
There is the second reflecting surface, the second reflecting surface will be photosensitive to return to second through scanning window by the second scanning ray reflection for scanning window
Component.Second reflecting surface of the second background plate is non-parallel setting with scanning window.
In above-mentioned lighting apparatus, swept when data medium is fed through along paper feed passage by the feed mechanism of lighting apparatus
When retouching window, the Part I of the first scanning ray reflects back into the first photosensory assembly by the first face of data medium, and produces the
Scan signal, the Part II of the first scanning ray reflects back into the first photosensory assembly by the first background plate, and produces first
Background signal.
By above-mentioned lighting apparatus, can using inclined background plate come the background of GTG is provided and with data medium
White background is otherwise varied, reaches automatic cut and the function of skew corrected.Furthermore background plate can be driven by drive mechanism
Rotation is to horizontality, to provide the effect of gamma correction.In addition, background plate can be driven to rotate to other by drive mechanism
Angle of inclination, to provide the background effect of different shade of gray.Features described above, it can be completed with uniform background piece, it is simple in construction
And significant effect, a kind of effect of effective background detecting can be provided for paper feeding scanner.
For the above of the present utility model can be become apparent, preferred embodiment cited below particularly, and coordinate institute's accompanying drawing
Formula, it is described in detail below.
Brief description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with accompanying drawing.
Schematic diagram of Fig. 1 and Fig. 2 displays according to the two states of the lighting apparatus of the utility model preferred embodiment；
Fig. 3 shows the schematic diagram of luminescence component and inductive component；
Fig. 4 A and Fig. 4 B show an example of the index path corresponding to Fig. 1 and Fig. 2 respectively；
Fig. 5 A and Fig. 5 B show another example of the index path corresponding to Fig. 1 and Fig. 2 respectively；
Fig. 6 shows the schematic diagram reduced automatically；
Fig. 7 shows the schematic diagram of skew corrected；
Flow chart of Fig. 8 displays according to the photosensitive method of the utility model preferred embodiment.
Component label instructions：
A：Size
A1：First angle
A2：Second angle
B：Size
BD：Border
IB：Image
IM：Image
L1：First scanning ray
L2：Second scanning ray
M：Data medium
M1：First face
M2：Second face
R1、R2、R3：Reflected light
S1：First scanning signal
S2：First background signal
S3：Second scanning signal
S4：Second background signal
S5：First correction signal
S6：Second correction signal
ST1 to ST3：Step
1：Lighting apparatus
3：Feed mechanism
3A、3B、3C、3D：Feed roller
10：Paper feed passage
11：Scan window
20：First photosensory assembly
21：First luminescence component
21A：Light source
21B：Light-guiding pillar
22：First inductive component
22A：Lens array
22B：Sensing array
30：First background plate
30A：First reflecting surface
40：First transparent substrates
50：Second transparent substrates
60：Second photosensory assembly
61：Second luminescence component
61A：Light source
61B：Light-guiding pillar
62：Second inductive component
62A：Lens array
62B：Sensing array
70：Second background plate
70A：Second reflecting surface
80：First drive mechanism
85：Second drive mechanism
90：Processor
Embodiment
Embodiment of the present utility model is illustrated by particular specific embodiment below, those skilled in the art can be by this theory
Content disclosed in bright book understands other advantages and effect of the present utility model easily.Although description of the present utility model will tie
Close preferred embodiment to introduce together, but this feature for not representing this utility model is only limitted to the embodiment.On the contrary, knot
It is to be possible to extend based on claim of the present utility model to cover to close the purpose that embodiment makees utility model introduction
The other selections or transformation gone out.Depth of the present utility model is understood in order to provide, will be included in describing below many specific
Details.The utility model can also be implemented without using these details.In addition, in order to avoid chaotic or fuzzy of the present utility model heavy
Point, some details will be omitted in the de-scription.
Linear image sensor (Liner Image Sensor) is made up of more several sensors, these sensors row
In line, spacing is consistent for row, produces different voltages to the power of reflected light, there is Charged Coupled Device image sensor on the market
(Charge-coupled device (CCD) type image sensor), contact image sensor (Contact Image
Sensor, CIS) two kinds of products, especially CIS are because cheap and largely using on the scanner.Implementation of the present utility model
Example can apply to above two sensor, coordinate inclined background plate, can provide GTG background and with data medium
White background is otherwise varied, is so advantageous to the execution of follow-up automatic edge cutting and skew corrected.
Schematic diagram of Fig. 1 and Fig. 2 displays according to the two states of the lighting apparatus of the utility model preferred embodiment.Such as figure
Shown in 1 and Fig. 2, the lighting apparatus 1 of the present embodiment is for example a paper feeding scanner, is captured while data medium is fed
The image of data medium.Although being implemented in figure with Double face scanner, not by the utility model limited to this, because single
Surface scan instrument can also reach effect of the present utility model.Lighting apparatus 1 include paper feed passage 10, the first photosensory assembly 20 and
First background plate 30.In this way, the effect of single-sweep can be implemented.In order to perform duplex scanning, lighting apparatus 1 can also include
Second photosensory assembly 60 and the second background plate 70.
Paper feed passage 10 has scanning window 11.First photosensory assembly 20 is arranged at the first side of scanning window 11, and direction is swept
Retouch window 11 and send the first scanning ray L1.Second photosensory assembly 60 be arranged at scanning window 11 the second side, and towards scanning window 11
Send the second scanning ray L2.
First background plate 30 is arranged at the second side of scanning window 11, and has the first reflecting surface 30A, will be by scanning window
11 the first scanning ray L1 reflections return to the first photosensory assembly 20 through scanning window 11.Second background plate 70 is arranged at scanning
First side of window 11, and there is the second reflecting surface 70A, it will be reflected by the second scanning ray L2 for scanning window 11 through scanning
Window 11 and return to the second photosensory assembly 60.First side and the second side for mutually back to side, be to be made with upside with downside in Fig. 1
Explanation.That is, the first background plate 30 intersects with the connecting line of the first photosensory assembly 20 with scanning window 11.
In the present embodiment, the first reflecting surface 30A of the first background plate 30 and scanning window 11 are non-parallel setting, to allow
First background plate 30 provides GTG background to reach the effect of boundary detection.In addition, the second reflecting surface 70A of the second background plate 70
It is non-parallel setting with scanning window 11, to allow the second background plate 70 to provide GTG background to reach the effect of boundary detection.The
One reflecting surface 30A is the first scanning ray L1 of reflection face, and the second reflecting surface 70A is the second scanning ray L2 of reflection face.
Above-mentioned lighting apparatus 1 can also include the first transparent substrates 40 and the second transparent substrates 50, be separately positioned on scanning
Both sides of window 11, and between the first photosensory assembly 20 and the first background plate 30, or positioned at the second photosensory assembly 60 with
Between second background plate 70.In the present embodiment, the first transparent substrates 40 are to be arranged in parallel with the second transparent substrates 50, Liang Zheding
Justice goes out to scan the scope of window 11.The material of first transparent substrates 40 and the second transparent substrates 50 is selected from by glass, poly- carbonic acid
Ester (PC), polypropylene (Polypropylene (PP)), acrylonitrile-butadiene-styrene copolymer (Acrylonitrile
Butadiene Styrene (ABS) resin) and the group that is formed of polymethyl methacrylate (PMMA).In the present embodiment,
First background plate 30 and the second background plate 70 are all the sheets that strip is presented, it is possible to reduce between transparent substrates and photosensory assembly
Space.In another embodiment, the first background plate 30 can be presented with the second background plate 70 in a manner of triangle, with provider
Just it is installed on the effect of transparent substrates or photosensory assembly.It is worth noting that, scanning window 11 is not necessarily by the first printing opacity base
Plate 40 is defined with the second transparent substrates 50, can also be defined by single transparent substrates, or can also be by with opening
Fairlead is defined.In addition, the first reflecting surface 30A of the first transparent substrates 40 and the first background plate 30 is non-parallel setting, and
Second reflecting surface 70A of the second transparent substrates 50 and the second background plate 70 is non-parallel setting.
In the present embodiment, the first background plate 30 is presented first angle A1 with scanning window 11 and set, the second background plate 70 with
Scan window 11 and second angle A2 settings are presented, and first angle A1 is equal with second angle A2.In an example, first angle A1
Between 3 ° and 30 °, and the shade of gray that senses of a plurality of first inductive components 22 (pure white ash between 240 and 100
255) gradient is.In another example, first angle A1 is between 10 degree and 20 degree, between preferably 12 ° and 15 °, and it is multiple
The shade of gray that several first inductive components 22 sense is between 170 and 160.However, in another example, first angle A1
It is unequal with second angle A2, to have the file of different background to provide appropriate different GTG backgrounds for positive and negative.
First photosensory assembly 20 includes the first luminescence component 21 and a plurality of first inductive components 22.Second photosensory assembly 60
Include the second luminescence component 61 and a plurality of second inductive components 62.First background plate 30 and a plurality of phases of first inductive component 22
To setting, and the second background plate 70 is oppositely arranged with a plurality of second inductive components 62.First luminescence component 21 towards scanning window
11 the first scanning ray L1 of transmitting, the second luminescence component 61 launch the second scanning ray L2 towards scanning window 11.A plurality of first
Inductive component 22 receives the first scanning ray L1 for being reflected of the first background plate 30, and a plurality of second inductive components 62 receive the
The second scanning ray L2 that two background plates 70 are reflected.
In addition to sensing the grey decision-making of the first background plate 30 and the second background plate 70, the first photosensory assembly 20 and the second sense
Optical assembly 60 also can be used to scan data media M.As data medium M along paper feed passage 10 by the feed mechanism 3 of lighting apparatus 1
When being fed through scanning window 11, the first scanning ray L1 Part I reflects back into first by data medium M the first face M1
Photosensory assembly 20, and produce the first scanning signal S1.First scanning ray L1 Part II is reflected back by the first background plate 30
To the first photosensory assembly 20, and produce the first background signal S2.First scanning ray L1 Part I and Part II are edges
The direction extension of drawing, the width for forming data medium M (is approximately perpendicular to data medium M direct of travel, if figure
1 plane is X/Y plane, then width is exactly Z-direction) illuminating ray.Second scanning ray L2 Part I is counted
Reflect back into the second photosensory assembly 60 according to media M the second face M2, and produce the second scanning signal S3.Second scanning ray L2's
Part II reflects back into the second photosensory assembly 60 by the second background plate 70, and produces the second background signal S4.Second scanning light
Line L2 Part I and the direction extension that Part II is along drawing, form the illumination light of data medium M width
Line.In the present embodiment, feed mechanism 3 includes feeding roller 3A, 3B, 3C and 3D.Scan window 11 between feeding roller 3A, 3B with
Between feeding roller 3C, 3D, and from data medium M to the first light path of the first inductive component 22 and from the first background plate 30 to
Second light path of the first inductive component 22 is substantially vertical with data medium M and paper feed passage 10.
In order to perform the correction of standard white, lighting apparatus 1 can also include the first drive mechanism 80, be connected to the first background
Piece 30；And second drive mechanism 85, it is connected to the second background plate 70.In scanning-mode it, the first drive mechanism 80 driving the
First reflecting surface 30A of one background plate 30 is rotated into relative to the first photosensory assembly 20 and non-parallel setting is presented with scanning window 11,
And second drive mechanism 85 drive the second background plate 70 the second reflecting surface 70A be rotated into and sweep relative to the second photosensory assembly 60
Retouch window 11 and non-parallel setting, that is, the state shown in Fig. 1 is presented.
Under a correction mode, the first drive mechanism 80 drives the first background plate 30 to be rotated relative to the first photosensory assembly 20
Into with scanning window 11 it is almost parallel, and the first photosensory assembly 20 receive the first scanning ray L1 and obtain the first correction signal S5；
And second drive mechanism 85 drive the second background plate 70 relative to the second photosensory assembly 60 be rotated into scan window 11 it is almost parallel,
And the second photosensory assembly 60 receives the second scanning ray L2 and obtains the second correction signal S6, that is, the state shown in Fig. 2.Such as
This one, the can of processor 90 of lighting apparatus 1 corrects the first scanning signal S1, and foundation according to the first correction signal S5
Second correction signal S6 corrects the second scanning signal S3.
Under other patterns, the first drive mechanism 80 can also drive the first background plate 30 to turn to different angle positions
Put, to provide the background of different shade of gray, same technology also applies to the second drive mechanism 85 and the second background plate 70.
It is worth noting that, Fig. 1 view shows that both the first light path and the second light path are likely to be while existed
, because the first background plate 30 is commonly designed wider (paper of the width perpendicular to Fig. 1), and data medium M
It is possible to come narrow than the first background plate 30, so the first light path is positioned at data medium M inner side, and the second light path is to be located at
Data medium M outside.
Fig. 3 shows the schematic diagram of luminescence component and inductive component.As shown in figure 3, the first luminescence component 21 includes two light
Source 21A (single light source also a can) and light-guiding pillar 21B, light-guiding pillar 21B transport light source 21A equalizing light rays and being oriented to down
OK.In addition, these first inductive components 22 include an a lens array 22A and sensing array 22B.Similarly, the second hair
Optical assembly 61 includes two light source 61A (single light source also a can) and light-guiding pillar 61B, and light-guiding pillar 61B is by light source 61A light
Homogenize and be oriented to and run down.In addition, these first inductive components 22 are included by a lens array 62A and a sensing
Array 62B.
Fig. 4 A and Fig. 4 B show an example of the index path corresponding to Fig. 1 and Fig. 2 respectively.As shown in Figure 4 A and 4 B shown in FIG.,
The first scanning ray L1 that first luminescence component 21 is launched, if the law for following incidence angle equal to angle of reflection (refers to normal
N), then reflected light R1 intensity highest, but because the first background plate 30 itself is not minute surface, it is unrestrained anti-in the presence of some
Penetrate phenomenon so that reflected light R2 and R3 strength decrease.Therefore, reflected light received by Fig. 4 A the first inductive component 22
Intensity (intensity for being less than reflected light R3) is less than the intensity (intensity for being higher than reflected light R3) of the reflected light received by Fig. 4 B.Cause
This, the first background plate 30 of tilting can provide GTG background to reach the effect of the boundary detection of the scan-image of data medium
Fruit.
Fig. 5 A and Fig. 5 B show another example of the index path corresponding to Fig. 1 and Fig. 2 respectively.Come with another viewpoint
Say, the first scanning ray L1 of the identical angle of divergence of the first luminescence component 21 Energy distribution is on inclined first background plate 30
Length be size A, and the length being distributed on the first horizontal background plate 30 is size B, and wherein size A is more than size B, institute
The scattered of energy of light source is caused with inclined first background plate 30 so that under the energy for the light that the first inductive component 22 is received
Drop, that is, sense luminance-reduction.
Fig. 6 shows the schematic diagram reduced automatically.Fig. 7 shows the schematic diagram of skew corrected.As shown in Figures 6 and 7, scanned
The image arrived includes the image IB (surrounding image IM) of the data medium M of inner ring image IM and the background plate of outer ring, because shadow
As IB shade of gray, (partially dark, shade of gray is for example 160) to be significantly less than image IM background (partially bright, 220) shade of gray is for example
Shade of gray, so processor 90 can look for the image IM corresponding to the first scanning signal S1 according to the first background signal S2
One or more boundary B D, and processor 90 looks for the image IM corresponding to the second scanning signal S3 according to the second background signal S4
One or more boundary B D.In this way, processor 90 can be cut automatically and skew corrected.
In another example, fixed background plate can also be used, in the case, processor 90 can be according to first
Background signal S2 corrects the first scanning signal S1, and corrects the second scanning signal S3 according to the second background signal S4.Also
It is to say, shade of gray corresponding to background signal is, it is known that can be corrected according to this shade of gray.
Flow chart of Fig. 8 displays according to the photosensitive method of the utility model preferred embodiment.As shown in figure 8, the present embodiment
A kind of photosensitive method is provided, applied in above-mentioned lighting apparatus 1.Photosensitive method comprises the steps of.First, step ST1, feeding
Data medium M enters paper feed passage 10.Then, produce the first scanning signal S1's and the first background signal S2 according to following step
Mixed signal：(a) before data medium M reaches scanning window 11, the first photosensory assembly 20 is made to sense the first scanning ray L1's
Part II；(b) when data medium M is by scanning window 11, the first photosensory assembly 20 is made to sense the of the first scanning ray L1
A part and Part II；(c) after data medium M leaves scanning window 11, the first photosensory assembly 20 sensing the first scanning light is made
Line L1 Part I.Finally, the characteristic according to the first background signal S2 isolates the first scanning signal S1 from mixed signal.
First background signal S2 characteristic corresponds to the angle of inclination of the first background plate 30, that is, corresponding to the first above-mentioned sense group
First reflecting surface 30A of the first background plate 30 that part 22 is sensed shade of gray.Above-mentioned mixed signal for example corresponds to Fig. 6
Or the signal of Fig. 7 overall image.Background detecting can so be reached to be cut automatically and the function of skew corrected.
By above-mentioned lighting apparatus and photosensitive method, can using inclined background plate come the background of GTG is provided and with
The white background of data medium is otherwise varied, reaches automatic cut and the function of skew corrected.Furthermore can be with by drive mechanism
Driving background plate is rotated to horizontality, to provide the effect of gamma correction.In addition, background plate can be driven by drive mechanism
Rotation is to other angles of inclination, to provide the background effect of different shade of gray.Features described above, can be with uniform background piece come complete
Into, simple in construction and significant effect, a kind of effect of effective background detecting can be provided for paper feeding scanner.
Specific embodiment proposed in the detailed description of preferred embodiment is only of the present utility model to convenient explanation
Technology contents, rather than the utility model is narrowly limited to above-described embodiment, without departing from spirit of the present utility model and
The situation of right, many variations done are implemented, and come under the scope of the utility model.
Claims (25)
1. a kind of lighting apparatus with sloping background piece, it is characterised in that include：
Paper feed passage, there is scanning window；
First photosensory assembly, the first side of the scanning window is arranged at, and the first scanning ray is sent towards the scanning window；With
And
First background plate, is arranged at the second side of the scanning window, and has the first reflecting surface, and first reflecting surface will pass through
First scanning ray reflection of the scanning window returns to first photosensory assembly through the scanning window；
Wherein, first reflecting surface of first background plate and the scanning window are non-parallel setting.
2. there is the lighting apparatus of sloping background piece as claimed in claim 1, it is characterised in that the first photosensory assembly bag
Containing the first luminescence component and a plurality of first inductive components, first luminescence component launches described first towards the scanning window
Scanning ray, and a plurality of first inductive components receive first scanning ray that first background plate is reflected.
3. there is the lighting apparatus of sloping background piece as claimed in claim 2, it is characterised in that first background plate and institute
A plurality of first inductive components are stated to be oppositely arranged.
4. there is the lighting apparatus of sloping background piece as claimed in claim 2, it is characterised in that first background plate and institute
State scanning window and a first angle setting is presented, the first angle is between 3 ° and 30 °.
5. there is the lighting apparatus of sloping background piece as claimed in claim 4, it is characterised in that a plurality of first sensings
The shade of gray that component senses is between 240 and 100.
6. as claimed in claim 4 have sloping background piece lighting apparatus, it is characterised in that the first angle between
Between 12 ° and 15 °.
7. there is the lighting apparatus of sloping background piece as claimed in claim 6, it is characterised in that a plurality of first sensings
The shade of gray that component senses is between 170 and 160.
8. there is the lighting apparatus of sloping background piece as claimed in claim 1, it is characterised in that also comprising the first printing opacity base
Plate, between first photosensory assembly and first background plate.
9. there is the lighting apparatus of sloping background piece as claimed in claim 8, it is characterised in that first transparent substrates
Material is selected from by glass, makrolon (PC), polypropylene (Polypropylene (PP)), acrylonitrile-butadiene-benzene second
Alkene copolymer (Acrylonitrile Butadiene Styrene (ABS) resin) and polymethyl methacrylate (PMMA) institute
The group of composition.
10. there is the lighting apparatus of sloping background piece as claimed in claim 1, it is characterised in that also comprising the first printing opacity base
Plate and the second transparent substrates, the both sides of the scanning window are respectively arranged at, and positioned at first photosensory assembly and described the
Between one background plate.
11. there is the lighting apparatus of sloping background piece as claimed in claim 1, it is characterised in that when data medium is along institute
State paper feed passage by the feed mechanism of the lighting apparatus be fed through it is described scanning window when, the first of first scanning ray
Part reflects back into first photosensory assembly by the first face of the data medium, and produces the first scanning signal, and described the
The Part II of one scanning light beam reflects back into first photosensory assembly by first background plate, and produces the first background letter
Number.
12. there is the lighting apparatus of sloping background piece as claimed in claim 11, it is characterised in that the place of the lighting apparatus
Reason device looks for one or more borders of the image corresponding to first scanning signal according to first background signal.
13. there is the lighting apparatus of sloping background piece as claimed in claim 11, it is characterised in that the place of the lighting apparatus
Device is managed according to first background signal to correct first scanning signal.
14. there is the lighting apparatus of sloping background piece as claimed in claim 11, it is characterised in that also comprising the first driving machine
Structure, first background plate is connected to, wherein：
In scanning-mode it, first drive mechanism drives first reflecting surface of first background plate relative to described
First photosensory assembly is rotated into is presented non-parallel setting with the scanning window；And
Under correction mode, first drive mechanism drives first background plate to be rotated relative to first photosensory assembly
Into almost parallel with the scanning window, and first photosensory assembly receives first scanning ray and obtains the first correction letter
Number, the processor of the lighting apparatus corrects first scanning signal according to first correction signal.
15. there is the lighting apparatus of sloping background piece as claimed in claim 1, it is characterised in that also include：
Second photosensory assembly, second side of the scanning window is arranged at, and the second scanning light is sent towards the scanning window
Line；And
Second background plate, is arranged at first side of the scanning window, and has the second reflecting surface, and second reflecting surface will
Second photosensory assembly is returned to through the scanning window by second scanning ray reflection of the scanning window, its
In, second reflecting surface of second background plate is non-parallel setting with the scanning window.
16. there is the lighting apparatus of sloping background piece as claimed in claim 15, it is characterised in that also comprising the first printing opacity base
Plate and the second transparent substrates, the both sides of the scanning window are respectively arranged at, and positioned at first photosensory assembly and described the
Between one background plate.
17. there is the lighting apparatus of sloping background piece as claimed in claim 16, it is characterised in that first transparent substrates
It is to be arranged in parallel with second transparent substrates.
18. there is the lighting apparatus of sloping background piece as claimed in claim 16, it is characterised in that first transparent substrates
First reflecting surface with first background plate is non-parallel setting, and second transparent substrates and second background
Second reflecting surface of piece is non-parallel setting.
19. there is the lighting apparatus of sloping background piece as claimed in claim 15, it is characterised in that wherein：
First photosensory assembly includes the first luminescence component and a plurality of first inductive components, the first luminescence component direction
The scanning window launches first scanning ray, and a plurality of first inductive components receive the first background plate institute instead
First scanning ray penetrated；And
Second photosensory assembly includes the second luminescence component and a plurality of second inductive components, the second luminescence component direction
The scanning window launches second scanning ray, and a plurality of second inductive components receive the second background plate institute instead
Second scanning ray penetrated.
20. as claimed in claim 15 have sloping background piece lighting apparatus, it is characterised in that first background plate with
The scanning window is presented first angle and set, and second background plate is presented second angle with the scanning window and set, and described
First angle is unequal with second angle.
21. as claimed in claim 15 have sloping background piece lighting apparatus, it is characterised in that first background plate with
The scanning window is presented first angle and set, and second background plate is presented second angle with the scanning window and set, and described
First angle is equal with second angle.
22. there is the lighting apparatus of sloping background piece as claimed in claim 15, it is characterised in that when data medium is along institute
State paper feed passage by the feed mechanism of the lighting apparatus be fed through it is described scanning window when, the first of first scanning ray
Part reflects back into first photosensory assembly by the first face of the data medium, and produces the first scanning signal；Described
One Part II of one scanning light beam reflects back into first photosensory assembly by first background plate, and produces the first background
Signal；The Part I of second scanning ray reflects back into described second photosensitive group by the second face of the data medium
Part, and produce the second scanning signal；And the Part II of second scanning ray is reflected back into by second background plate
Second photosensory assembly, and produce the second background signal.
23. there is the lighting apparatus of sloping background piece as claimed in claim 22, it is characterised in that the place of the lighting apparatus
Reason device looks for one or more borders of the image corresponding to first scanning signal according to first background signal；And it is somebody's turn to do
Processor looks for one or more borders of the image corresponding to second scanning signal according to second background signal.
24. there is the lighting apparatus of sloping background piece as claimed in claim 22, it is characterised in that the place of the lighting apparatus
Device is managed according to first background signal to correct first scanning signal, and according to second background signal to correct
State the second scanning signal.
25. there is the lighting apparatus of sloping background piece as claimed in claim 22, it is characterised in that also include：
First drive mechanism, it is connected to first background plate；And
Second drive mechanism, second background plate is connected to, wherein：
In scanning-mode it, first drive mechanism drives institute of first background plate relative to first photosensory assembly
State the first reflecting surface and be rotated into and non-parallel setting, and second drive mechanism driving, second back of the body is presented with the scanning window
Second reflecting surface of a piece of scenery is rotated into relative to second photosensory assembly and non-parallel setting is presented with the scanning window；With
And
Under correction mode, first drive mechanism drives first background plate to be rotated relative to first photosensory assembly
Into almost parallel with the scanning window, and first photosensory assembly receives first scanning ray and obtains the first correction letter
Number；And second drive mechanism drives second background plate to be rotated into and the scanning relative to second photosensory assembly
Window is almost parallel, and second photosensory assembly receives second scanning ray and obtains the second correction signal, described photosensitive
The processor of equipment corrects first scanning signal according to first correction signal, and according to second correction signal
To correct second scanning signal.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW106119183 | 2017-06-09 | ||
| TW106119183 | 2017-06-09 |
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| CN207150695U true CN207150695U (en) | 2018-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720932143.5U Active CN207150695U (en) | 2017-06-09 | 2017-07-28 | Photosensitive device with inclined background sheet |
| CN201710631179.4A Active CN107317950B (en) | 2017-06-09 | 2017-07-28 | Photosensitive equipment with inclined background film and photosensitive method thereof |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710631179.4A Active CN107317950B (en) | 2017-06-09 | 2017-07-28 | Photosensitive equipment with inclined background film and photosensitive method thereof |
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| Country | Link |
|---|---|
| CN (2) | CN207150695U (en) |
| TW (1) | TWI644163B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107317950A (en) * | 2017-06-09 | 2017-11-03 | 虹光精密工业股份有限公司 | Photosensitive equipment with inclined background film and photosensitive method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112188027B (en) * | 2020-09-09 | 2022-11-22 | 安徽高哲信息技术有限公司 | Double-sided scanning device and double-sided scanner with mutually scanning backgrounds |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1323539C (en) * | 2001-12-21 | 2007-06-27 | 佳能株式会社 | Sheet transport apparatus and image reading apparatus |
| TWI246314B (en) * | 2004-06-30 | 2005-12-21 | Avision Inc | Sheet-fed scanner capable of switching backgrounds |
| JP4934454B2 (en) * | 2007-02-16 | 2012-05-16 | 日立オムロンターミナルソリューションズ株式会社 | Image reading device |
| JP2009177310A (en) * | 2008-01-22 | 2009-08-06 | Kyocera Mita Corp | Image reader and image forming apparatus |
| CN201629789U (en) * | 2010-01-08 | 2010-11-10 | 虹光精密工业（苏州）有限公司 | Scanner with background component |
| JP5390418B2 (en) * | 2010-01-15 | 2014-01-15 | 株式会社Ｐｆｕ | Image reading apparatus and image reading system |
| JP5624945B2 (en) * | 2011-05-31 | 2014-11-12 | 京セラドキュメントソリューションズ株式会社 | Image reading apparatus and image forming apparatus |
| JP5849556B2 (en) * | 2011-09-15 | 2016-01-27 | 富士ゼロックス株式会社 | Image reading device |
| CN107991829A (en) * | 2012-12-20 | 2018-05-04 | 三菱电机株式会社 | Image read-out |
| US8867107B1 (en) * | 2013-06-24 | 2014-10-21 | Fuji Xerox Co., Ltd. | Image reading apparatus and reading apparatus |
| JP5532176B1 (en) * | 2013-07-18 | 2014-06-25 | 富士ゼロックス株式会社 | Image reading apparatus and image forming apparatus |
| TWI561055B (en) * | 2014-05-22 | 2016-12-01 | Avision Inc | Sheet-fed scanner and image scanning method using the same |
| CN207150695U (en) * | 2017-06-09 | 2018-03-27 | 虹光精密工业股份有限公司 | Photosensitive device with inclined background sheet |
-
2017
- 2017-07-28 CN CN201720932143.5U patent/CN207150695U/en active Active
- 2017-07-28 CN CN201710631179.4A patent/CN107317950B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107317950A (en) * | 2017-06-09 | 2017-11-03 | 虹光精密工业股份有限公司 | Photosensitive equipment with inclined background film and photosensitive method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI644163B (en) | 2018-12-11 |
| CN107317950A (en) | 2017-11-03 |
| CN107317950B (en) | 2020-05-26 |
| TW201903509A (en) | 2019-01-16 |
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