CN104580809B - Image forming apparatus, reading device and read method - Google Patents
Image forming apparatus, reading device and read method Download PDFInfo
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- CN104580809B CN104580809B CN201310467417.4A CN201310467417A CN104580809B CN 104580809 B CN104580809 B CN 104580809B CN 201310467417 A CN201310467417 A CN 201310467417A CN 104580809 B CN104580809 B CN 104580809B
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- colored portion
- original copy
- scanning direction
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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
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/10—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces
- H04N1/1013—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces with sub-scanning by translatory movement of at least a part of the main-scanning components
- H04N1/103—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces with sub-scanning by translatory movement of at least a part of the main-scanning components by engaging a rail
-
- 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
- H04N1/0402—Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards
- H04N1/042—Details of the method used
- H04N1/0437—Tilting an array with respect to the main or sub scanning direction
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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
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/10—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces
- H04N1/1008—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces with sub-scanning by translatory movement of the picture-bearing surface
-
- 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
- H04N1/46—Colour picture communication systems
- H04N1/56—Processing of colour picture signals
- H04N1/60—Colour correction or control
- H04N1/6002—Corrections within particular colour systems
- H04N1/6008—Corrections within particular colour systems with primary colour signals, e.g. RGB or CMY(K)
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Scanning Arrangements (AREA)
Abstract
The present invention provides image forming apparatus, reading device and read methods.The image forming apparatus of embodiment includes the imaging sensor extended along main scanning direction,Balladeur train,Guide portion and reading control unit,Balladeur train moves to change the reading position of original copy along the sub-scanning direction with main scanning direction orthogonal,Guide portion has the guide surface for guiding original copy on original copy glass,There is the white portion of the white extended along main scanning direction along sub-scanning direction arrangement form in guide surface,First colored portion and the second colored portion,First colored portion is that brightness extends less than the color of the brightness in white portion and the first colored portion along main scanning direction,Second colored portion is that brightness extends less than the color of the brightness of the first colored portion and the second colored portion along main scanning direction,Reading control unit moves balladeur train,The reading position on sub-scanning direction is made to coordinate white portion,Any one position in first colored portion and the second colored portion is read out processing.
Description
Technical field
Embodiment described in this specification is related to conveys dress by the auto document of image forming apparatus, reading device
Conveying paper is put to be read out the image forming apparatus of processing, reading device and read method.
Background technology
At present, image forming apparatus has to read the auto document feeder of original copy when duplicating, scanning
（ADF）.In the case that auto document feeder conveys and reads original copy, lead to the original copy for being positioned over auto document feeder
Cross original copy glass of ADF the upper surface of.Also, utilize the reading mechanism formed by Exposing Lamp, reflective mirror and imaging sensor etc.
Read by original copy.It, can be by multiple using image forming apparatus or reading device with auto document feeder
Original copy one by one conveys to reading position and continuously reads original copy.
But in the case that auto document feeder conveys and reads original copy, original image is likely to occur the style of calligraphy characterized by hollow strokes（In vain
く Fly ん）.Especially filament, of light color（It is light）The easy style of calligraphy characterized by hollow strokes in part.Therefore, by using the reading of auto document feeder
It takes and handles generated image since the reproducibility of the content original image sometimes of image reduces.
The content of the invention
The image forming apparatus of embodiment includes the reading position being delivered to the original copy of reading object on original copy glass
Auto document feeder, and described image forming apparatus includes：Imaging sensor extends along main scanning direction；Balladeur train, edge
It is moved with the sub-scanning direction of main scanning direction orthogonal, the balladeur train changes the reading position of original copy；Guide portion has by described in
The guide surface that original copy guides on the original copy glass has in the guide surface along the sub-scanning direction arrangement form white
Color portion, the first colored portion and the second colored portion, the white portion are the white portions of the white extended along the main scanning direction,
First colored portion is brightness less than the color of the brightness in the white portion and first colored portion along the main scanning side
To extension, second colored portion is brightness less than the color of the brightness of first colored portion and second colored portion along institute
State main scanning direction extension；And control unit is read, the balladeur train is moved, matches somebody with somebody the reading position on the sub-scanning direction
Any one position closed in the white portion, first colored portion and second colored portion is read out processing.
Description of the drawings
Fig. 1 is the longitudinal section of the schematic configuration for the image forming apparatus for representing embodiment.
Fig. 2 is the expansion for the part that original copy is read using the auto document feeder of the image forming apparatus of embodiment
Figure.
Fig. 3 is from ADF original copy glass sides（It is observed in Z-direction）Pressing component imprints guide portion（platen
guide）Figure.
Fig. 4 is the schematic diagram for imprinting guide portion and reading position relation.
Fig. 5 is the schematic diagram of coining guide portion when changing reading position and reading position relation.
Fig. 6 is the schematic diagram of coining guide portion when changing reading position and reading position relation.
Fig. 7 is the functional block diagram of the processing function for the image forming apparatus for realizing embodiment.
Fig. 8 is the flow chart for representing to read flow.
Specific embodiment
The image forming apparatus of present embodiment is illustrated.Fig. 1 is to represent that the image in present embodiment forms dress
Put the longitudinal section of 1 schematic configuration.Fig. 2 is to read original copy using the auto document feeder 50 of image forming apparatus 1
The expanded view of part R.The image forming apparatus of present embodiment is swept with printing function, to original copy as an example
The MFP of the multiple functions such as copy function, the scan function retouching and print（Multi Functional Peripheral, it is multi-functional
Printer）.
Image forming apparatus 1 possesses processor 2, memory 4, auxilary unit 6, operation panel 16, image forming part
1A, thin slice（sheet）Supply department 1B and image reading unit 1C etc..
Processor 2 is the control for controlling the various processing in image forming part 1A, feeding sheets portion 1B, image reading unit 1C etc.
Device processed.Processor 2 realizes various functions by the program that run memory 4, auxilary unit 6 store, and is handled.
As processor 2, CPU can be used（Central Processing Unit, central processing unit）, can hold
Row is equivalent to the MPU of the calculation process of CPU（Micro Processing Unit, microprocessing unit）Deng.In addition, as processing
The ASIC of device（Application Specific Integrated Circuit, application-specific integrated circuit）7 can also realize processing
Part or all of function for the image forming apparatus 1 that device 2 is realized.
Memory 4 is to store processor 2 for performing the image formation processing in image forming part 1A, in feeding sheets
Carried out in portion 1B feeding sheets processing, carried out in image reading unit 1C image reading processing etc. the program of processing it is so-called
Main storage means.In addition, memory 4 provides interim working region to processor 2.As memory 4, such as use RAM
（Random Access Memory, random access memory）、ROM（Read Only Memory, read-only memory）、DRAM
（Dynamic Random Access Memory, dynamic random access memory）、SRAM（Static Random Access
Memory, static RAM）、VRAM（Video RAM, video memory）, flash memory etc..
Auxilary unit 6 stores the various information in image forming apparatus 1.Auxilary unit 6 can for example store
The image data generated after original copy is read by image reading unit 1C.Auxilary unit 6 is for example using hard disk drive equimagnetic
Storage device, light storage device, semiconductor memory apparatus（Flash memory etc.）Or the equipment for combining these storage devices.
Operation panel 16 is the operation input mechanism that operation input is carried out to image forming apparatus 1, is also setting screen
The display unit shown Deng progress picture.Operation panel has touch display screen 16a and operated key 16b etc..Touch display screen 16a exists
By operation input while progress picture display.Operated key 16b is the button for the physics for carrying out various operation inputs.
Image forming part 1A formed on thin slice the processing of image in print processing, duplicating processing.Image is formed
Portion 1A is based on print job, copying operation, and image is formed on the thin slices such as the paper supplied from feeding sheets portion 1B.
Image forming part 1A has four processing units 100, conducts for corresponding to yellow, magenta, cyan and black respectively
Intermediate transfer belt 8, transfer member, that is, secondary transfer roller 10, secondary transfer printing opposed roller 12 and the discharge tray 32 of image-carrier
Deng.In addition, image forming part 1A has fixing band 20, fixing roller 26 and backer roll 22 etc. as fixing device.
Feeding sheets portion 1B supplies thin slice to image forming part 1A.Feeding sheets portion 1B has feed cassette 40, pick-up roller 42
With conveying roller 44 etc..Tool is shown in FIG. 1, and there are four feed cassette 40, the image forming apparatuses of pick-up roller 42.
Image reading unit 1C is the device for reading image from original copy when being duplicated, being scanned, and is with duplicator, figure
As the image read-out of scanner etc..Image reading unit 1C is by auto document feeder（ADF）The compositions such as 50 and scanner section.
The auto document feeder 50 of image reading unit 1C be in order to can continuously scan manuscript and original copy is connected one by one
The device of reading position is transported to continuously.In addition, auto document feeder 50 is with for the two-sided conveying of scan manuscript
In the case of path, make transport path of the original copy by its duplex scanning, turned to as needed（スイッチバック）
Conveying, so as to the two-sided of scan manuscript.The auto document feeder 50 of present embodiment has original copy mounting table 52, defeated
Path 54, reading preliminary roller is sent to imprint guide portion 58 and discharge tray 70 etc. to 56, guide portion to 55, reading back roller.
In addition, scanner section reads the original copy conveyed by auto document feeder 50.Scanner section is by imaging sensor
Ccd sensor, balladeur train（carriage）62nd, ADF original copys glass 60, the structures such as carriage driving mechanism for moving balladeur train 62
Into.In addition, in the case where opening the upper cover for being equipped with auto document feeder 50 and original copy being placed on original copy glass, sweep
The portion of retouching can also make balladeur train 62 scan to read the original copy on original copy glass to sub-scanning direction.
Original copy mounting table 52 is the platform for placing the original copy read using auto document feeder 50.It is placed on original copy placement
Original copy on platform 52 is picked after roller pickup and is transported to reading position by transport path 54.
Read the conveying roller pair that the reading position that preliminary roller is opposite original copy to 55 is located at the conveying direction upstream side of original copy.It reads
Take the conveying roller pair that back roller is the conveyance direction downstream side that opposite reading position is located at original copy to 56.Coining as guide portion draws
It is that the original copy for being transported to reading position is oriented to components of the ADF on the glass surface of original copy glass 60 to lead portion 58.Original copy passes through
It imprints guide portion 58 and is oriented to ADF original copy glass 60, original copy is close to glass surface the upper surface of by so as to which scanner section can be accurate
Read original copy in ground.Guide portion 58 is imprinted in Fig. 1, section shown in Fig. 2（Section on X-Z faces）It is formed to ADF original copy glass
The curved surface of 60 lateral bends.The coining guide portion 58 of present embodiment is curved metal plate component, but as long as with guiding original copy
It is close to guide surfaces of the ADF with original copy glass 60, then shape, structure or material is not particularly limited.It below will be to this implementation
The coining guide portion 58 of mode is specifically described.
Then, optical system is installed on balladeur train 62, which is conveyed for reading by auto document feeder 50
And ADF with above original copy glass 60 by original copy.Once balladeur train 62 is mobile, then reading position changes.In this reality
It applies in mode, as shown in the arrow B of Fig. 2, the light that the Exposing Lamp 64 of balladeur train 62 is sent is encountered original copy in reading position and reflected, should
Reflected light is oriented to ccd sensor by multiple reflective mirrors such as reflective mirror 66, to read original copy.The light for being oriented to ccd sensor encounters original
The position of original text is the position that auto document feeder 50 reads original copy.
Balladeur train 62 for example by rail guidance, can be such that it is scanned along guide rail in X-direction by carriage driving mechanism.
Ccd sensor is in main scanning direction（Y direction in Fig. 1）Extension, balladeur train 62 can be swept to the pair with main scanning direction orthogonal
Retouch direction movement.Therefore, the reading position that balladeur train 62 is formed can be any position of sub-scanning direction.In present embodiment
In, in the case of reading original copy using auto document feeder 50, make balladeur train 62 to the ADF opposite positions of original copy glass 60
Movement is put, so as to read through the original copy on glass surface.
Balladeur train 62 can also have that the light of Exposing Lamp 64 is made expeditiously to irradiate the reflecting plate of master copy（Reflector）
Deng.Carriage driving mechanism has motor, by balladeur train electric wire of the rotary transfer of motor to balladeur train etc..
Hereinafter, guide portion 58 is imprinted to guide portion to be specifically described.The coining guide portion 58 of present embodiment with
ADF is colored with the color of the opposite guide surface of original copy glass 60 mode different according to the position of the conveying direction of original copy.
Fig. 3 is from ADF coining guide portions 58 from 60 side of original copy glass（It is observed in Z-direction）Figure.As shown in figure 3, this implementation
The coining guide portion 58 of mode is low with white portion 58w, brightness ratio white portion（Secretly）The first colored portion, that is, grey portion 58g and
Brightness is less than the second colored portion, that is, black part 58b of the first colored portion.White portion 58w, grey portion 58g and black part 58b along
Imprint length direction, that is, Y direction of guide portion 58（Main scanning direction）Be formed as banding.Also, white portion 58w, grey portion
58g and black part 58b is along X-direction（Sub-scanning direction）It is arranged in order to be formed.In the present embodiment, as shown in Fig. 3 etc., in vain
Position centrally located color portion 58w, grey portion 58g are formed in the original copy conveying direction upstream side of white portion 58w, black part 58b
It is formed in the downstream side of white portion 58w.The order of white portion 58w, grey portion 58g and black part 58b are not particularly limited, such as
Shown in Fig. 3, preferably using white portion 58w as the position in center, the either side of grey portion 58g and black part 58b is formed in white
Any other party of the upstream side of color portion 58w, grey portion 58g and black part 58b are formed in the downstream side of white portion 58w.This is
Because can shorten movement from the reading position i.e. position of white portion 58w of the usual position of balladeur train 62 to each colored portion away from
From.
In this way, there is brightness on the guide surface opposite with original copy glass 60 with ADF of coining guide portion 58 less than white
Color part, so as to so that by balladeur train 62 read original copy when original copy behind color be formed as brightness less than white
Color.Specifically, move balladeur train 62, change the reading position on sub-scanning direction, so as to so that in reading position
The color settings for imprinting guide portion 58 are any one of white, grey, black.
Here, Fig. 4~Fig. 6 be represent change reading position in the case of coining guide portion 58 and reading position relation
Schematic diagram.First, if as shown in figure 4, reading position E coining guide portion 58 white portion 58w position, read position
The color of the coining guide portion 58 of the behind for the original copy put reforms into white.Then, as shown in figure 5, moving balladeur train 62
And in the case that reading position E becomes the position of grey portion 58g, the color of the coining guide portion 58 of the behind of original copy reforms into ash
Color.Then, as shown in fig. 6, move balladeur train 62 and in the case that reading position E becomes the position of black part 58b, original copy
The color of the coining guide portion 58 of behind reforms into black.
Therefore, in the present embodiment, by the way that balladeur train 62 is made to move to change reading position, so that the face of original copy behind
Color is not only common white, can also change over color of the brightness less than white.If the coining guiding at reading position E
Portion 58 is brightness less than the color of white, then when reflectivity white of the light of the Exposing Lamp 64 from coining guide portion 58 is reduced.
Therefore, if when the paper of original copy is thin etc. in the case of easy light transmission, it is possible to reduce the reflection from coining guide portion 58.By subtracting
Few reflection from coining guide portion, so as to prevent the image style of calligraphy characterized by hollow strokes.It is shallow comprising filament or coloring especially in original image
Image in the case of, if from coining guide portion 58 reflective light intensity, easily cause the style of calligraphy characterized by hollow strokes, copy image, scanning figure
The reproducibility of picture declines sometimes.
Therefore, if to prevent the image style of calligraphy characterized by hollow strokes, balladeur train 62 can be moved and be read out, so that reading position E is positioned at bright
Grey portion 58g of the degree less than white, the position of black part 58b.In addition, when paper is thin etc. in the case of easy light transmission, if
It is black part 58b to imprint guide portion 58, then the image duplicated is with regard to dimmed（The photographic fog of black occurs）, therefore reading position E is preferred
It is located in the position of grey portion 58g.In this way, not only may insure the reproducibility of the part of the easy style of calligraphy characterized by hollow strokes such as filament, but also can prevent
The photographic fog of black, and duplicating, the scan process of good image quality can be carried out.Read the possibility without photographic fog such as thick original copy
In the case of the original copy of property, reading position E is located in black part 58b.
Width on white portion 58w, grey portion 58g and the respective original copy conveying directions of black part 58b is not limited especially
System, 2mm~3mm or so.
In addition, white portion 58w, grey portion 58g and black part 58b be preferably formed in coining guide portion 58 guide surface in,
Original copy is made to be close to the scope that ADF is guided with the mode of original copy glass 60.If it is formed in original copy from the position that glass surface floats
The position is simultaneously positioned to reading position by grey portion 58g etc., then initially can not be accurately read original copy sometimes.
Then, in the image forming apparatus 1 of present embodiment, original copy is being carried out by auto document feeder 50
In the case of reading, make reading position cooperation white portion 58w, grey portion 58g and any one position in black part 58b and carry out
It reads, below, which is illustrated.First, the function of being just used to implement the processing illustrates.Fig. 7 is to represent this reality
Apply the functional block diagram of function possessed by the image forming apparatus 1 of mode.
Image forming apparatus 1 has set information acquisition unit 200 and reads control unit 202.These function modules pass through place
The reason execution of device 2 is stored in the reading process program in memory 4, auxilary unit 6 to realize.In addition, ASIC7 can also be real
Part or all of these existing functions.
If the condition set when operation panel 16 has input and reads original copy by image reading unit 1C, set information
Acquisition unit 200 obtains the set information.The original for reading and being conveyed by auto document feeder 50 is obtained in the present embodiment
The set information of the reading position of balladeur train 62 during original text.Specifically, if to prevent style of calligraphy characterized by hollow strokes etc., obtain the reading position of original copy
Install the input for being scheduled on grey portion 58g or black part 58b.In fact, it for example carries out to select to prevent the pattern of the style of calligraphy characterized by hollow strokes（Such as
" preventing style of calligraphy characterized by hollow strokes pattern "）Picture show, if selected for style of calligraphy characterized by hollow strokes pattern is prevented, then set information acquisition unit 200 just obtain table
Show and selected the selection information for preventing style of calligraphy characterized by hollow strokes pattern.
In addition, if selection prevents style of calligraphy characterized by hollow strokes pattern, then the arbitrary of specified grey portion 58g and black part 58b can also be obtained
The information of one.For example, grammes per square metre of original copy of reading object etc. and the relevant setting picture of original copy thickness are shown in operation panel 16
Face.Also, set information acquisition unit 200 obtains the information of the input on original copy thickness.In this case, if having input original
The paper of original text is thin paper, then reading position is located in grey portion 58g, is in addition located in black part 58b.This
Outside, operation panel 16 can also be made to show any picture in directly specified grey portion 58g and black part 58b, set information obtains
Portion 200 is taken to obtain one of them appointed information.
Read the set information that is got based on set information acquisition unit 200 of control unit 202, control image reading unit 1C into
Capable original copy reading process.In the present embodiment, when being read out using auto document feeder 50, if user in order to
It prevents the style of calligraphy characterized by hollow strokes and is inputted, then read control unit 202 and change the reading position of original copy from the position of common white portion 58w
Reading process is carried out behind position to brightness less than the grey portion 58g or black part 58b in white portion.If it as described above, specifies
In the case of the thin content of the paper of original copy, reading control unit 202 moves balladeur train 62 and reading position is located in grey
The position of portion 58g.In addition in the case of（Or specify be ground paper content in the case of）, read control unit 202
It is located in the position of black part 58b.Therefore, in the present embodiment, copy image, the style of calligraphy characterized by hollow strokes on scan image are prevented
In the case of, if the original copy of first thickness, reading position is located in the position of grey portion 58g, if original copy is than first
Reading position is then set in the position of black part 58b, is read out processing by the thicker second thickness of thickness.
Auto document feeder 50 the above are the image forming apparatus 1 of present embodiment is used to be read out processing
The function module of function.In addition, as shown in fig. 7, image forming apparatus 1 can also have original copy information acquiring section 204, original copy letter
Acquisition unit 204 is ceased to be used to obtain and the relevant information of original copy thickness from the original copy sensor of the thickness of detection original copy.For example, original copy
Sensor detects that thickness is thin as defined in the thickness ratio of original copy, and original copy information acquiring section 204 is just obtained by original copy sensor should
The information of content.Then, the information that control unit 202 is got based on original copy information acquiring section 204 is read, makes balladeur train 62 to grey
Portion 58g is mobile and carries out reading process.In addition, if detecting thicker than defined thickness, then reading control unit 202 makes balladeur train 62
To black part 58b movements and carry out reading process.Original copy sensor can be the sensor of direct detection paper sheet thickness, can also
It is the sensor for measuring grammes per square metre, can also be sensor of the permeability of detection light etc..
The stream for the reading process that the auto document feeder 50 of the image forming apparatus 1 of present embodiment is carried out below
Journey illustrates.Fig. 8 is the flow chart for the flow for illustrating reading process.
First, set information acquisition unit 200 obtains the set information for the condition for specifying reading process by operation panel 16
（Action 101）.Specifically, the acquisition of set information acquisition unit 200 whether there is to specify and prevents style of calligraphy characterized by hollow strokes pattern and prevent from flying specifying
In the case of white mode, set information whether any position in grey portion 58g and black part 58b is read out etc..Example
Such as, as described above, the specify information of reading position is the information that original copy is specified to be thin paper.
Then, the set information that control unit 202 is got based on set information acquisition unit 200 is read, is judged whether to
Prevent the processing of the style of calligraphy characterized by hollow strokes（Action 102）.
It specifies in the case of preventing style of calligraphy characterized by hollow strokes pattern（It is yes in action 102）, read control unit 202 and be based on setting letter
Breath, judges whether original copy is thin paper（Action 103）.
If it is determined that it is thin paper（Action 103 is yes）, then reading control unit 202 moves balladeur train 62, matches somebody with somebody reading position
It closes the position of grey portion 58g and performs reading process（Action 104）.If it is determined that it is not thin paper（Action 103 is no）, then read
Control unit 202 moves balladeur train, makes the position of reading position cooperation black part 58b and performs reading process（Action 105）.
On the other hand, action 102 in judge it is non-selected prevent the style of calligraphy characterized by hollow strokes handle in the case of（Action 102 is no）, read
Control unit 202 performs the common reading process for the position that reading position is located in white portion 58w（Action 106）.
The above are the flows of the reading process of the image forming apparatus 1 of present embodiment.Also, such as in the function mould of Fig. 4
Described in the explanation of block, can not also the input based on user, but sensor etc. detection thickness, based on the testing result determine
Whether by the way that style of calligraphy characterized by hollow strokes pattern is prevented to be read out processing.In this case, handled without the set information of action 101, but
Original copy information acquiring section 204 obtains the information on original copy thickness from original copy sensor.Also, it reads control unit 202 to be based on closing
In the information of original copy thickness, judge whether to prevent the style of calligraphy characterized by hollow strokes from handling, and judge whether grey portion 58g if performing and
Any position in black part 58b as reading position and carries out reading process.
In addition, though the reading relevant optical system as the original copy with image reading unit 1C in the present embodiment
Structure, illustrate has Exposing Lamp 66, reflective mirror 68 etc. on balladeur train 62, also utilizes other reflective mirrors by guides reflected light figure
As the structure that sensor, that is, ccd sensor guides, but not limited to this.For example, it can be mounted with image on balladeur train 62
The integral type optical system of sensor.If image reading unit 1C, which has, can move along sub-scanning direction and become reading position
The balladeur train of change can then apply the reading process of present embodiment.
Although in the present embodiment in advance in the device portion have recorded the function of carrying out an invention situation carry out
Explanation, but not limited to this, same function can also be downloaded in device by network, it can also by same function
It is installed in a device after being stored in storage medium.As long as storage medium can store the programs such as CD-ROM, and device can be read
The storage medium taken can be then any form.In addition, the function that installation in advance, download obtain in this way can also
With the OS inside device（Operating system）Etc. collaborating realize its function.
It illustrates described above, according to the technology that this specification is recorded, even if can provide a kind of in reading object
Image comprising filament, light color in original copy can also more accurately reproduce duplicating, the image procossing of the high reproducibility of original image
Image forming apparatus.
Although embodiments of the present invention are illustrated, these embodiments are merely to illustrate the present invention
Example, be not used to limit the scope of the present invention.Device described herein and method can pass through various other modes
To embody.Moreover, in the range of without departing from present inventive concept, described device and method omit it is of course possible to carry out some,
It substitutes or deforms.Claims and its equivalency range cover these modes for falling into the scope of the present invention and objective or deformation.
Claims (6)
1. a kind of image forming apparatus, described image forming apparatus includes the original copy of reading object being delivered on original copy glass
The auto document feeder of reading position, described image forming apparatus be characterized in that, including：
Imaging sensor extends along main scanning direction；
Balladeur train is moved along the sub-scanning direction with main scanning direction orthogonal, and the balladeur train changes the reading position of original copy；
Guide portion has the guide surface for guiding the original copy on the original copy glass, in the guide surface described in
Sub-scanning direction arrangement form has the first colored portion, white portion and the second colored portion, and the white portion is along the main scanning
The white portion of the white of direction extension, first colored portion are brightness less than the color of the brightness in the white portion and described the
One colored portion extends along the main scanning direction, and second colored portion is face of the brightness less than the brightness of first colored portion
Color and second colored portion extends along the main scanning direction；And
Control unit is read, moves the balladeur train, the reading position on the sub-scanning direction is made to coordinate the white portion, described
Any one position in first colored portion and second colored portion is read out processing,
The reading control unit obtains the information in relation to original copy thickness, is first thickness in original copy based on the information got
In the case of, the reading position is set in the position of first colored portion, is thicker than the first thickness in original copy
In the case of two thickness,
The reading position is set in the position of second colored portion,
In the guide surface of the guide portion, the white portion be formed in first colored portion and second colored portion it
Between.
2. image forming apparatus according to claim 1, which is characterized in that
The color of first colored portion is grey, and the color of second colored portion is black.
3. a kind of reading device, the auto document including the original copy of reading object to be delivered to the reading position on original copy glass is defeated
Device is sent, the reading device is characterized in that, including：
Imaging sensor extends along main scanning direction；
Balladeur train is moved along the sub-scanning direction with main scanning direction orthogonal, and the balladeur train changes the reading position of original copy；
Guide portion has the guide surface for guiding the original copy on the original copy glass, in the guide surface described in
Sub-scanning direction arrangement form has the first colored portion, white portion and the second colored portion, and the white portion is along the main scanning
The white portion of the white of direction extension, first colored portion are brightness less than the color of the brightness in the white portion and described the
One colored portion extends along the main scanning direction, and second colored portion is face of the brightness less than the brightness of first colored portion
Color and second colored portion extends along the main scanning direction；And
Control unit is read, moves the balladeur train, the reading position on the sub-scanning direction is made to coordinate the white portion, described
The position of any one in first colored portion and second colored portion is read out processing,
The reading control unit obtains the information in relation to original copy thickness, is first thickness in original copy based on the information got
In the case of, the reading position is set in the position of first colored portion, is thicker than the first thickness in original copy
In the case of two thickness,
The reading position is set in the position of second colored portion,
In the guide surface of the guide portion, the white portion be formed in first colored portion and second colored portion it
Between.
4. reading device according to claim 3, which is characterized in that
The color of first colored portion is grey, and the color of second colored portion is black.
5. a kind of read method, the read method is the read method in image forming apparatus, described image forming apparatus bag
Include the auto document feeder that the original copy of reading object is delivered to the reading position on original copy glass, and image forming apparatus
Including：Imaging sensor extends along main scanning direction；Balladeur train is moved along the sub-scanning direction with main scanning direction orthogonal, described
Balladeur train changes the reading position of original copy；Guide portion has the guide surface for guiding the original copy on the original copy glass,
There are the first colored portion, white portion and the second colored portion along the sub-scanning direction arrangement form in the guide surface, it is described white
Color portion is the white portion of the white extended along the main scanning direction, and first colored portion is that brightness is less than the white portion
The color of brightness and first colored portion extends along the main scanning direction, second colored portion are brightness less than described the
The color of the brightness of one colored portion and second colored portion extends along the main scanning direction, the feature of the read method exists
In, including：
The balladeur train is moved, the reading position on the sub-scanning direction is made to coordinate the white portion, first colored portion
With the position of any one in second colored portion,
Processing is read out in the reading position of setting,
The information in relation to original copy thickness is obtained,
Based on the information got, in the case where original copy is first thickness, the reading position is set in described first
The position in color portion,
In the case of the second thickness that original copy is thicker than the first thickness, the reading position is set in described second
The position in color portion,
In the guide surface of the guide portion, the white portion be formed in first colored portion and second colored portion it
Between.
6. read method according to claim 5, which is characterized in that
The color of first colored portion is grey, and the color of second colored portion is black.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310467417.4A CN104580809B (en) | 2013-10-09 | 2013-10-09 | Image forming apparatus, reading device and read method |
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| CN201310467417.4A CN104580809B (en) | 2013-10-09 | 2013-10-09 | Image forming apparatus, reading device and read method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1469624A (en) * | 2002-06-13 | 2004-01-21 | ������������ʽ���� | Image reading apparatus and control program |
| CN1531328A (en) * | 2003-03-12 | 2004-09-22 | 株式会社理光 | Image reading method and reader |
| CN1783937A (en) * | 2004-07-27 | 2006-06-07 | 兄弟工业株式会社 | Image scanner and image reading method |
| CN101515327A (en) * | 2008-02-19 | 2009-08-26 | 株式会社东芝 | Image reading apparatus, image reading method, and sheet processing apparatus |
| CN103051825A (en) * | 2011-10-12 | 2013-04-17 | 株式会社东芝 | Image reading device and sheet handling apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3213230B2 (en) * | 1996-02-23 | 2001-10-02 | 株式会社ピーエフユー | Image data reading device |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1469624A (en) * | 2002-06-13 | 2004-01-21 | ������������ʽ���� | Image reading apparatus and control program |
| CN1531328A (en) * | 2003-03-12 | 2004-09-22 | 株式会社理光 | Image reading method and reader |
| CN1783937A (en) * | 2004-07-27 | 2006-06-07 | 兄弟工业株式会社 | Image scanner and image reading method |
| CN101515327A (en) * | 2008-02-19 | 2009-08-26 | 株式会社东芝 | Image reading apparatus, image reading method, and sheet processing apparatus |
| CN103051825A (en) * | 2011-10-12 | 2013-04-17 | 株式会社东芝 | Image reading device and sheet handling apparatus |
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