CN106412355A - Image processing apparatus and detection method - Google Patents
Image processing apparatus and detection method Download PDFInfo
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- CN106412355A CN106412355A CN201510461360.6A CN201510461360A CN106412355A CN 106412355 A CN106412355 A CN 106412355A CN 201510461360 A CN201510461360 A CN 201510461360A CN 106412355 A CN106412355 A CN 106412355A
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- sheet material
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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
- H04N1/00684—Object of the detection
- H04N1/00702—Position
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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
- H04N1/00729—Detection means
- H04N1/00734—Optical detectors
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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
- H04N1/00763—Action taken as a result of detection
- H04N1/00771—Indicating or reporting, e.g. issuing an alarm
-
- 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
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Scanning Arrangements (AREA)
- Facsimiles In General (AREA)
Abstract
The invention relates to an image processing apparatus and a detection method. The image processing apparatus comprises a reading portion, a reference portion, an open-close sensor, a detection portion and a notification control portion, the reading portion reads a sheet born by a reading surface, the reference portion is the reference of the bearing position of the sheet, the open-close sensor detects the open-close position of a platen cover for clamping the sheet between the platen cover and the reading surface, the detection portion detects whether the sheet is born on the reference portion based on information obtained by the reading portion, the notification control portion performs control when it is detected that the sheet is not born on the reference portion, and the notification control portion notifies the idea that the sheet is not born on the reference portion to users.
Description
Technical field
Implementations described herein relates generally to image processing apparatus, detection method and non-provisional record
Medium.
Background technology
In the past, the size detection of original copy using multiple original sizes detect with sensor determine original copy
Size.In addition, also the open and-shut mode of with good grounds original text platform lid detects the mode of original size.
However, in the methods described above it is impossible to detection departs from the restraining position of manuscript table glass and carries
Original copy.Accordingly, there exist the probability of the rear end disappearance of copy image.
Content of the invention
An aspect of of the present present invention is related to a kind of image processing apparatus, possesses：Reading part, reading is carried on
The sheet material of reading face；Reference section, as the benchmark of the carrying position of described sheet material；Opening and closing sensor,
Detection clamps the opened and closed positions of the original text platform lid of described sheet material between described reading face；Test section, base
Whether it is carried on described reference section in the sheet material described in infomation detection that described reading part obtains；And notify
Control unit, is controlled detecting in the case that described sheet material is not carried on described reference section；Wherein,
Described notice control unit notifies the intention that described sheet material is not carried on described reference section to user.
Another aspect of the present invention is related to a kind of image processing apparatus, and it possesses：Reading part, reading is held
It is loaded in the sheet material of reading face；Reference section, as the benchmark of the carrying position of described sheet material；Opening and closing sensing
Device, the opened and closed positions of detection original text platform lid, clamp described between described original text platform lid and described reading face
Material；And test section, whether institute is carried on based on the sheet material described in infomation detection that described reading part obtains
State reference section；Wherein, described reading part moves according to the opened and closed positions of described original text platform lid.
Another aspect of the present invention is related to a kind of detection method, and it has：Read step, reading part is read
It is taken at the sheet material of reading face carrying, and detecting step, based on the letter obtaining in described read step
Breath detects whether described sheet material is carried on the reference section of the benchmark of the carrying position as described sheet material, its
In, in described read step, clamp described sheet material between described reading face according to by detection
The opened and closed positions of the described original text platform lid that the opening and closing sensor of the opened and closed positions of original text platform lid detects, mobile institute
State reading part.
Another aspect of the present invention is related to a kind of non-provisional recording medium, its logger computer program, institute
Stating computer program makes computer execute：Read step, reading part reads the sheet material carrying in reading face；
And detecting step, whether it is carried on based on the sheet material described in infomation detection obtaining in described read step
Reference section as the benchmark of the carrying position of described sheet material；In described read step, according to by examining
Survey the opening and closing sensor of the opened and closed positions of original text platform lid clamping described sheet material between described reading face
The opened and closed positions of the described original text platform lid detecting, make described reading part move.
Brief description
Fig. 1 is the outside drawing of the overall structure example of image processing apparatus 100 illustrating embodiment.
Fig. 2 is the block diagram of the functional structure of image processing apparatus 100 illustrating embodiment.
Fig. 3 is the skeleton diagram of the configuration example illustrating image reading unit 200.
Fig. 4 is the top view illustrating the state of loading end 201a seen from above.
Fig. 5 is to illustrate that the opened and closed positions of original text platform lid 10 are the figure of the 1st position.
Fig. 6 is to illustrate that the opened and closed positions of original text platform lid 10 are the figure of the 2nd position.
Fig. 7 is to illustrate that the opened and closed positions of original text platform lid 10 are the figure of the 3rd position.
Fig. 8 is the schematic block diagram of the functional structure representing control device 101.
Fig. 9 is opened and closed positions and the 1st test section 2051 and the 2nd test section 2052 of original text platform lid 10
Output corresponding table.
Figure 10 is to illustrate that ccd sensor 232 measures the figure of the test position of brightness value.
Figure 11 is the figure of the process that test section 1014 is described.
Figure 12 is the flow chart of the flow process of the action illustrating image processing apparatus 100.
Figure 13 is the flow chart of the flow process of the action illustrating image processing apparatus 100.
Figure 14 is the flow chart of the flow process of the action illustrating image processing apparatus 100.
Specific embodiment
The image processing apparatus of embodiment have reading part, reference section, opening and closing sensor and test section.
Reading part reads the sheet material being carried on reading face.Reference section becomes the base of the carrying position of described sheet material
Accurate.Opening and closing sensor detection clamps the opening and closing position of the original text platform lid of described sheet material between described reading face
Put.The information that test section is obtained based on described reading part, detects whether described sheet material is carried on described base
Quasi- portion.Described reading part moves according to the opened and closed positions of described original text platform lid.
Hereinafter, with reference to the accompanying drawings of the image processing apparatus of embodiment, detection method and non-provisional are remembered
Recording medium.
Fig. 1 is the outside drawing of the overall structure example of image processing apparatus 100 illustrating embodiment.Figure
As processing meanss 100 are the image processing systems of such as compounding machine etc..Image processing apparatus 100 possess
Display 110, control panel 120, printing portion 130, sheet material receiving portion 140 and image reading unit
200.Additionally, the printing portion 130 of image processing apparatus 100 can be the device of fixing ink powder image,
It can also be ink jet type device.
Image processing apparatus 100 read the image of performance on sheet material and generate numerical data, generate figure
As file.Sheet material is for example to record paper of original copy, word, image etc. etc..As long as at sheet material image
The object that reason device 100 can read gets final product or any object other than the above.
Display 110 is that the images such as liquid crystal display, organic EL (electroluminescent) display show
Device.The display 110 display various information relevant with image processing apparatus 100.
Control panel 120 has multiple buttons.Control panel 120 accepts the operation of user.Chain of command
Plate 120 by with carried out by user operate corresponding signal output to image processing apparatus 100 control
Device.Additionally, the touch panel also display 110 and control panel 120 being integrally constituted.
Printing portion 130 is connect based on the view data being generated by image reading unit 200 or via communication line
The view data received forms image on sheet material.Printing portion 130 is passed through for example following process and is formed figure
Picture.The image forming part of printing portion 130 forms electrostatic latent image based on view data on photoconductor drum.
The image forming part of printing portion 130 is formed by attachment developing agent on electrostatic latent image can video.Ink
Powder is the specific example of developing agent.The transfer section of printing portion 130 can video be transferred on sheet material.Beat
Visual image is fixed on sheet material by heating to sheet material and being pressurizeed by the fixing section in print portion 130
On.Additionally, the sheet material defining image can be accommodated in the sheet material of sheet material receiving portion 140, also may be used
To be the sheet material being manually inserted into.
Sheet material receiving portion 140 accommodates the sheet material for forming image in printing portion 130.
The view data of reading object is read as the light and shade of light by image reading unit 200.Image reading unit
The view data that 200 records read.The view data of record can be sent at other information via network
Reason device.The view data of record can carry out image on sheet material with printing portion 130 and be formed.
Fig. 2 is the block diagram of the functional structure of image processing apparatus 100 illustrating embodiment.
Image processing apparatus 100 possess control device 101, network interface 102, auxilary unit
103rd, display 110, control panel 120, image reading unit 200, printing portion 130, sheet material hold
Receive portion 140 and memorizer 104.Each function part that image processing apparatus 100 possess passes through internal bus
Connect, the input and output of data can be carried out mutually.Additionally, to the function part being illustrated in Figure 1, with
The sign flag same with Fig. 1 simultaneously omits the description.
Control device 101 controls the action of each function part of image processing apparatus 100.Control device 101
Execute various process by configuration processor.The specific description of control device 101 is described below.
Carry out the transmitting-receiving of data between network interface 102 and other devices.Network interface 102 is as defeated
Incoming interface action, receives the data sending from other devices.In addition, network interface 102 is as output
Interface actions, send data to other devices.
Auxilary unit 103 is, for example, hard disk or SSD (solid state hard disc), stores various data.
Various data are, for example, view data etc..View data is the numerical data that image reading unit 200 generates.
Memorizer 104 is, for example, RAM (random access memory).Memorizer 104 interim storage figure
The data using as each function part that processing meanss 100 possess.Additionally, memorizer 104 can store
The numerical data that image reading unit 200 generates.
Fig. 3 is the skeleton diagram of the configuration example illustrating image reading unit 200.
Image reading unit 200 possesses original text platform lid 10, document board 20, the 1st balladeur train 21, the 2nd balladeur train
22nd, shoot part 23 and position sensor 240.
The direction of the 1st balladeur train 21 movement is sub-scanning direction y.In document board 20, with subscan line
Y orthogonal direction in direction is main scanning direction x.With main scanning line direction x and sub-scanning direction y just
The direction handed over is short transverse z.
Original text platform lid 10 clamps sheet material S between reading face.Original text platform lid 10 is arranged to opening and closing freely.
Document board 20 possess manuscript table glass 201, dark slide (シ ェ デ ィ Application グ plate) 202,
Original copy scale 203, transmission read glass (ス Le リ De ガ ラ ス) 204 and opening and closing sensor
205.
Manuscript table glass 201 has the loading end 201a carrying sheet material S.
Dark slide 202 is made up of white part.Dark slide 202 have to read image hiding
As the white of benchmark during light correction (シ ェ デ ィ Application グ is just).Dark slide 202 is in main scanning
Direction x has long shape.
Original copy scale 203 illustrates to be carried on the position of the sheet material S of manuscript table glass 201 (reading face).
It is provided with front end reference section 203a (reference section) in the end of original copy scale 203.Front end reference section 203a
By forming step difference between the loading end 201a of manuscript table glass 201, to be formed and sheet material S
End conflict protuberance.Sheet material S pass through on manuscript table glass 201 with front end reference section 203a
Conflict and to determine position.So, front end reference section 203a is the benchmark of the carrying position of sheet material S.
On loading end 201a, predefine the position at the angle of front end for carrying sheet material S.By
The angle of the front end of predetermined position carry sheet material S, carries out main scanning direction x and sub-scanning direction
The position of y determines.
It is made up of transparent component through reading glass 204.Therefore, formed from through reading glass 204
The structure on the surface of sheet material that conveyed by ADF 10 of bottom reading.
Opening and closing sensor 205 detects the opened and closed positions of original text platform lid 10.Opened and closed positions represent original text platform lid 10
Opening and closing degree.That is, opened and closed positions represent original text platform lid 10 be full-gear, close way in state,
Which state in full-shut position.Opening and closing sensor 205 is by the opening and closing position of the original text detecting platform lid 10
Put output and arrive control device 101.
1st balladeur train 21 possesses light source 211, reflector 212 and the 1st mirror 213.Light source 211
Light.Reflector 212 reflects the light sending from light source 211.The light being reflected by reflector 212 is equably
It is irradiated to dark slide 202 and sheet material.Reflected light based on the light irradiating adjusts in the reading position of sheet material
Main scanning direction x light distribution characteristic.1st mirror 213 is to the 2nd mirror 221 of the 2nd balladeur train 22
Reflection is by the light of dark slide 202 and sheet material reflection.1st balladeur train 21 is configured to reading part.
2nd balladeur train 22 possesses the 2nd mirror 221 and the 3rd mirror 222.2nd mirror 221 is to the 3rd
Mirror 222 reflects the light being reflected by the 1st mirror 213.3rd mirror 222 is to the collection of shoot part 23
Optical lens 231 reflects the light being reflected by the 2nd mirror 221.
Shoot part 23 possesses light collecting lenss 231, ccd sensor 232 and CCD substrate 233.
Light collecting lenss 231 assemble the light being reflected by the 3rd mirror 222.Light collecting lenss 231 make gathering
Light is imaged in the imaging surface (reading face) of ccd sensor 232.
Ccd sensor 232 is arranged on CCD substrate 233.For example, ccd sensor 232
It is mixing 4 line sensors.Mix 4 line sensors to comprise to read 3 line sensors of coloured image, read
Take 1 line sensor of monochrome image.3 line sensors read R (red), G (green) and B (blue)
Light.Ccd sensor 232 will be converted to electric charge by the light that light collecting lenss 231 are imaged.Using this
Conversion, ccd sensor 232 will be converted to the signal of telecommunication by the image that light collecting lenss 231 are imaged.
CCD substrate 233 generates based on by the signal of telecommunication that the opto-electronic conversion of ccd sensor 232 generates
View data.When generating view data, CCD substrate 233 is processed using by shading correction in advance
Obtained by control information generate view data.The view data of generation is exported by CCD substrate 233
Control device 101.The above-mentioned place reason that CCD substrate 233 is carried out is arranged on CCD substrate 233
AFE (AFE (analog front end)) execution.
Here, illustrate that shading correction is processed.In shading correction is processed, by lighting the 1st balladeur train
21 light source 211, obtains control information used in the correction of the output of ccd sensor 232.
Specifically as described below.In shading correction is processed, it is sliding that control device 101 lights the 1st first
The light source 211 of frame 21.Put light by the state of being located at Gain tuning position in the 1st balladeur train 21
Source 211, irradiates dark slide 202 (white substrate).In the state of dark slide 202 is illuminated, CCD
Substrate 233 obtains the output valve of ccd sensor 232.CCD substrate 233 obtains yield value, makes
The output valve obtaining ccd sensor 232 is predetermined desired value (for example, 960/1024).
Position sensor 240 is located at the position opposed with loading end 201a.Position sensor 240 is examined
Survey the size of the sheet material S of sub-scanning direction.During position sensor 240 detection sheet material S, by APS
Signal output is to control device 101.APS signal is to represent the signal detecting sheet material S.For example,
Position sensor 240 is APS (CMOS active pixel sensor).
Control device 101 controls the 1st balladeur train 21, the 2nd balladeur train 22 and shoot part 23.For example, control
Device 101 processed controls the movement of the 1st balladeur train 21, the lighting and put out of the light source 211 of the 1st balladeur train 21
Lamp.For example, control device 101 controls the action of shoot part 23.Additionally, in the following description,
1st balladeur train 21, the 2nd balladeur train 22 and shoot part 23 are generically and collectively referred to as reading device (reading part).
The state of own device (image processing apparatus 100) is controlled to usual shape by control device 101
Any one of state and low power state.Generally state is to read the figure of original copy according to the instruction of user
The state of picture.In the normal state, it is arranged on timing sequencer on CCD substrate 233 to CCD
Sensor 232 exports CCD control signal.Low power state can not read former according to the instruction of user
The image of original text, is the state lower than usual state power consumption.In a low-power state, it is arranged on
Timing sequencer on CCD substrate 233 stops.Therefore, do not export CCD in a low-power state
Control signal.Therefore, stop the action of ccd sensor 232 in a low-power state.
1st balladeur train 21 moves to sub-scanning direction y according to the control of control device 101.2nd is sliding
Frame 22 is pressed with the 1st balladeur train 21 identical direction along with the movement of the 1st balladeur train 21 with 1/2 speed
Mobile.By such action, even in the case that the 1st balladeur train 21 is mobile, reaching CCD
The light path of the light of the imaging surface of sensor 232 does not also change.That is, the 1st mirror 213, the 2nd mirror
221st, the light path of the light in the optical system of the 3rd mirror 222 and light collecting lenss 231 composition is fixing
's.In other words, from loading end 201a to ccd sensor, the light path of 232 imaging surface is fixing.
For example, in the example in figure 3, the 1st balladeur train 21 moves from left to right along sub-scanning direction y.
Along with the movement to sub-scanning direction y of the 1st balladeur train 21, reading position P of sheet material is also moved
Dynamic.Therefore, reading position P moves from left to right along sub-scanning direction y.Reading position P is that master sweeps
Retouch the position of the amount of 1 row of direction x.Moved on sub-scanning direction y by reading position P,
The image of reading position P of sheet material is imaged by the imaging surface of ccd sensor 232 successively.CCD passes
Sensor 232 will be main scanning direction x's with the corresponding signal output of image of reading position P of imaging
The signal of 1 row.The overall view data of the signal generation sheet material based on multiple row for the CCD substrate 233.
Fig. 4 is the top view illustrating the state of loading end 201a seen from above.
1st balladeur train 21 is being standby apart from the position of D away from reading fore-end.Here, before reading
End part is, for example, front end reference section 203a.In addition, the past end reference section 203a is left apart from D's
Position is the position of readiness of the 1st balladeur train 21.At this apart from the interval of D, it is opened and closed sensor 205 and examines
Survey the open and-shut mode of original text platform lid 10.
The reflected light from sheet material that ccd sensor 232 will be imaged on this ccd sensor 232
Opto-electronic conversion is brightness value.For example, brightness value be have strong and weak corresponding with the reflected light from sheet material
Size magnitude of voltage.If the value of brightness value is more than the 1st threshold value, sheet material is white.If
The value of brightness value is black less than the 2nd threshold value, then sheet material.Brightness value is exported by ccd sensor 232
To control device 101.1st threshold value is bigger than the 2nd threshold value.
Then, the opening and closing position of the original text platform lid 10 of opening and closing sensor 205 is adopted using Fig. 5～Fig. 7 explanation
The detection method put.In Fig. 5～Fig. 7, opening and closing sensor 205 is by the 1st test section 2051 and the
The combination of 2 test sections 2052 and opening/closing lever 206 is constituted.
1st test section 2051 possesses illuminating part and light accepting part.Light from light source.Light accepting part is in energy
Receive the state of the light of self-luminescent part.Light accepting part in the case of receiving the light of self-luminescent part,
Make to be output as L level.Light accepting part does not receive when blocking the light of self-luminescent part by opening/closing lever 206
Light.Light accepting part, in the case of not receiving light, makes to be output as H level.Additionally, the 2nd test section
2052 and the 1st test section 2051 is same structure, and description will be omitted.
Opening/closing lever 206 is the part that can be moved up and down according to the open and-shut mode of original text platform lid 10.
Then, the opened and closed positions of original text platform lid 10 and the relation of opening and closing sensor 205 are described.Fig. 5 is
The opened and closed positions illustrating original text platform lid 10 are the figure of the 1st position.1st position be original text platform lid 10 be in beat
The position of open state.When original text platform lid 10 is 1 position, the 1st test section 2051 and the 2nd test section
2052 light accepting part receives the light of illuminating part.Therefore, the 1st test section 2051 and the 2nd test section 2052
Output be L level.
Fig. 6 is to represent that the opened and closed positions of original text platform lid 10 are the figure of the 2nd position.2nd position is original text platform
Lid 10 is in the position closing the state in way.When original text platform lid 10 is 2 position, the 1st test section
2051 light accepting part is opened and closed the light that bar 206 blocks self-luminescent part.Therefore, the 1st test section 2051
Light accepting part do not receive the light of illuminating part.Therefore, the output of the 1st test section 2051 is H level.
On the other hand, the light accepting part of the 2nd test section 2052 is not opened and closed bar 206 and blocks self-luminescent part
Light.2nd test section 2052 receives the light of illuminating part.Therefore, the 2nd test section 2052 is defeated
Go out is L level.
Fig. 7 is to illustrate that the opened and closed positions of original text platform lid 10 are the figure of the 3rd position.3rd position is original text platform
The position that lid 10 is closed.When original text platform lid 10 is 3 position, the 1st test section 2051
Light accepting part be opened and closed the light that bar 206 blocks self-luminescent part.The light accepting part of the 1st test section 2051
Do not receive the light of illuminating part.Therefore, the output of the 1st test section 2051 is H level.In addition,
The light accepting part of the 2nd test section 2052 is opened and closed the light that bar 206 blocks self-luminescent part.2nd detection
Portion 2052 does not receive the light of illuminating part.Therefore, the 2nd test section 2052 is output as H level.
Output apparatus for controlling of supply 101 by the 1st test section 2051 and the 2nd test section 2052.
Fig. 8 is the schematic block diagram of the functional structure representing control device 101.
As shown in figure 8, control device 101 possesses detection unit 1011, operation control part 1012, figure
As processing unit 1013, test section 1014 and notice control unit 1015.
The output based on the 1st test section 2051 and the 2nd test section 2052 for the detection unit 1011 judges original text
The opened and closed positions of platform lid 10.In addition, detection unit 1011 judges the size of sheet material.
Hereinafter, the method that the opened and closed positions of judgement original text platform lid 10 are described using Fig. 9.
Fig. 9 is opened and closed positions and the 1st test section 2051 and the 2nd test section 2052 of original text platform lid 10
Output corresponding table.
In the case that the output of the 1st test section 2051 and the 2nd test section 2052 is L level, sentence
Determine portion 1011 and judge that the opened and closed positions of original text platform lid 10 are the 1st positions.Namely it is decided that portion 1011 judges
Original text platform lid 10 is open mode.
In the case that the output of the 1st test section 2051 and the 2nd test section 2052 is H level, sentence
Determining portion 1011 judges the opened and closed positions of original text platform lid 10 as the 3rd position.Namely it is decided that portion 1011 judges
Original text platform lid 10 is closed mode.
Above-mentioned 2 in addition in the case of, detection unit 1011 judge the opened and closed positions of original text platform lid 10 as
2nd position.Namely it is decided that portion 1011 judges original text platform lid 10 as closing midvoyage condition.2 in addition
In the case of, the output of the 1st test section 2051 is H level and the 2nd test section 2052 is output as L
Level.
Detection unit 1011 judges the opened and closed positions of original text platform lid 10 as described above.
Then, the method that the size of judgement sheet material is described using Figure 10.
Detection unit 1011 obtains APS signal from position sensor 240.Detection unit 1011 is from CCD
Sensor 232 obtains the brightness value of multiple test positions AP1～AP5.Figure 10 is to illustrate that CCD passes
Sensor 232 measures the figure of the test position of brightness value.
Test position AP1～AP5 represents in ccd sensor 232 along main scanning direction reading carrying
The test position during size of the sheet material of face 201a.Additionally, APS1 represents reads sub-scanning direction
The position sensor APS of the size of sheet material.Detection unit 1011 can be from test position AP1～AP5's
The combination of brightness value and APS signal judges multiple sheets of sizes.
The APS signal obtaining from position sensor APS is stored memorizer 104 by detection unit 1011.
Detection unit 1011 judges the sheet material of main scanning direction based on each brightness value of test position AP1～AP5
Test position.
Specifically, detection unit 1011 judges as follows.Detection unit 1011 is in original text platform lid 10
Opened and closed positions are each brightness value of the test position AP1～AP5 obtaining in the case of the 2nd position,
Calculate the meansigma methodss of the brightness value of each test position.Then, it is determined that portion 1011 judge calculate average
Whether value is more than the 1st predetermined threshold value.Detection unit 1011 is the 1st threshold in the meansigma methodss of brightness value
In the case that value is above, judge be equipped with sheet material with the corresponding detecting position of brightness value more than 1st threshold value.
On the other hand, detection unit 1011, in the case that the meansigma methodss of brightness value are less than the 1st threshold value, judges
There is no sheet material with the corresponding test position of brightness value less than the 1st threshold value.
In addition, detection unit 1011 is in the case that the opened and closed positions of original text platform lid 10 are the 3rd position, right
Each brightness value of the test position AP1～AP5 obtaining calculates the flat of the brightness value of each test position
Average.Then, it is determined that more than whether portion 1011 judge the meansigma methodss calculating as the 2nd predetermined threshold value.
Detection unit 1011, in the case that the meansigma methodss of brightness value are more than the 2nd threshold value, judges with the 2nd
The corresponding test position of brightness value more than threshold value does not have sheet material.On the other hand, detection unit 1011 exists
The meansigma methodss of brightness value be less than the 2nd threshold value in the case of, judge with the brightness value less than the 2nd threshold value
Corresponding detecting position is equipped with sheet material.
Detection unit 1011 passes through to combine the above-mentioned sheet material of 2 result of determination judgement main scanning directions
Test position.Specifically, during detection unit 1011 judges at 2 times, even if being only once judged to
In the case of having sheet material, judge that this detecting position is equipped with sheet material.So, detection unit 1011 determines master
The position of the sheet material of scanning direction.
It is determined that portion 1011 judges the size of the sheet material of sub-scanning direction.In this case, scheme
APS1 shown in 10 is the test position of the size of sheet material of sub-scanning direction.For example, A4-R and
It is impossible to determine the size of sheet material in the judgement of the original size in only main scanning direction for the A5.Here,
Detection unit 1011 combines the testing result of APS1 and the result of determination of AP1～AP5 to judge sheet material
Size.Specific maneuver is identical with the judgement of the presence or absence of the sheet material of main scanning direction.For example, sentence
Determine APS1 represented by the APS signal obtaining for the portion 1011 testing result be set threshold value with
In the case of upper, judge there is sheet material in the position of APS1.On the other hand, detection unit 1011 is obtaining
In the case that the testing result of the APS1 represented by APS signal taking is less than set threshold value, judge
There is no sheet material in the position of APS1.Detection unit 1011 judges the size of sheet material as described above.
More than terminate the explanation of the decision method of the size to sheet material.
Operation control part 1012 controls the action of image processing apparatus 100.Specifically, action control
Portion 1012 processed makes the instruction of power input of image processing apparatus 100 in user or process starts to refer to
During the input shown, carry out initial actuating.Initial actuating represents the power input of image processing apparatus 100
When or process start indicate input when action.As the concrete example of initial actuating, original position is had to detect,
Peakvalue's checking and Gain tuning etc..Original position detection is to judge whether each balladeur train is in the place of tram
Reason.In this case, in the case of out of position in each balladeur train, operation control part 1012
Each balladeur train is made to move to reference position.Reference position is denoted as the benchmark that action set in advance starts
Position.In addition, initial actuating is carried out in the state of the 1st balladeur train 21 is located at dark slide 202 times.
In addition, operation control part 1012 is in the situation of the 2nd position in the opened and closed positions of original text platform lid 10
Under, so that the 1st balladeur train 21 is moved in the reverse direction from reference position.Direction of retreat is in the example of Fig. 3
In, be the 1st balladeur train 21 along sub-scanning direction-y the direction moved from right to left of direction.That is, after
Move back the direction that direction is from reference position forward end reference section 203a movement.In addition, operation control part
1012, in the case that the opened and closed positions of original text platform lid 10 are located at the 3rd position, make the 1st balladeur train 21 forward
Enter direction to move.Direction of advance in the example in figure 3, is the 1st balladeur train 21 along sub-scanning direction y
The direction from left to right moved of direction.That is, direction of advance is the past end reference section 203a to benchmark
The direction of position movement.
Image processing part 1013 passes through to read dark slide 202 acquisition white reference data SD.Image procossing
Portion 1013 uses white reference data SD to execute shading correction.
Whether test section 1014 is carried on front end reference section based on the infomation detection sheet material that reading part obtains
203a.
Control unit 1015 is notified to be controlled, before sheet material is detected by test section 1014 and not being carried on
In the case of reference section 203a of end, this intention is notified to user.For example, control unit 1015 is notified to exist
Display 110 shows mistake.In addition, the sound that notice control unit 1015 can control speaker etc. is defeated
Go out device output buzz or sound notification.
Figure 11 is the figure of the process that test section 1014 is described.
Illustrate that sheet material 145 is carried on the example of the position away from front end reference section 203a in Figure 11.Separately
Outward, it is provided with detection zone 152 in Figure 11.Detection zone 152 is denoted as before whether sheet material be carried on
The region of the detection object of end reference section 203a.Detection zone 152 can preset, also can be by making
User changes.Additionally, as shown in figure 11, as long as detection zone 152 and front end reference section 203a phase
Connect, can be any shape.For example, detection zone can be the shape being represented by symbol 152a.
Hereinafter, the process of test section 1014 is described using Figure 11.Here, it is set as the 1st balladeur train 21
Standby in the reference position E1 from front end reference section 203a distance E.
When the opened and closed positions of original text platform lid 10 are 2 position, operation control part 1012 makes the 1st balladeur train 21
Move from reference position E1 forward end reference section 203a.Now, comprise the reading of the 1st balladeur train 21
Portion obtains the image level in detection zone while mobile.That is, reading part is from reference position
E1 forward end reference section 203a obtains the image level in detection zone line by line.Reading part is by detection zone
The value of the image level often gone in domain stores memorizer 104.Here, image level represents for example
The concentration of the edge level of sheet material, the concentration (spending) of sheet material and no areas of web material.No areas of web material
Concentration represent the past end reference section 203a to the concentration apart from R of the left end of sheet material 145.
Thereafter, when the opened and closed positions of original text platform lid 10 are in 3 position, operation control part 1012 makes
21 the past of 1 balladeur train end reference section 203a moves to reference position E1.Now, comprise the 1st balladeur train
21 reading part obtains the image level in detection zone while mobile.That is, reading part is from front end
Reference section 203a obtains the image level in detection zone line by line to reference position E1.Reading part will be examined
The value surveying the image level often gone in region is stored in memorizer 104.
Based on each image level of the often row being stored in memorizer 104, test section 1014 detects that sheet material is
No it is carried on front end reference section 203a.Specifically, in the feelings that each image level of every row is all consistent
Under condition, test section 1014 detects that sheet material is carried on front end reference section 203a.On the other hand, every
Row each image level part or all inconsistent in the case of, test section 1014 detects sheet material
It is not carried on front end reference section 203a.
By above process, test section 1014 detects whether sheet material is carried on front end reference section
203a.
Figure 12～Figure 14 is the flow chart of the flow process of the action illustrating image processing apparatus 100.
Operation control part 1012 execution initial actuating (ACT101).Image processing part 1013 passes through to read
Dark slide 202 is taken to obtain white reference data SD (ACT102).Detection unit 1011 obtains the 1st detection
The output in portion 2051.Detection unit 1011 judges that the 1st test section 2051 is output as L level or H
Level (ACT103).(ACT103 in the case that the 1st test section 2051 is output as L level：
L), operation control part 1012 makes the 1st balladeur train 21 mobile (ACT104) to size detection position.CCD
Sensor 232 obtains the brightness value of each test position.The brightness value that ccd sensor 232 will obtain
Store memorizer 104 (ACT105).
Operation control part 1012 makes the 1st balladeur train 21 mobile (ACT106) to reference position.Detection unit
From control panel 120,1011 judge whether the activate switch duplicated opens (ACT107).Open in startup
(ACT107 in the case of Guan Wei unlatching：No), detection unit 1011 judges the 1st test section 2051 again
It is output as L level or H level (ACT108).It is output as H in the 1st test section 2051
(ACT103 in the case of level：H), operation control part 1012 makes the 1st balladeur train 21 from benchmark position
Put forward end reference section 203a mobile (ACT109).Reading part reads the image water in detection zone
Put down and the image level of reading is stored memorizer 104 (ACT110).
From control panel 120, detection unit 1011 judges whether the activate switch duplicated opens
(ACT111).(ACT111 in the case that activate switch is not opened：No), detection unit 1011
The output of judgement the 1st test section 2051 is L level or H level (ACT112) again.?
1 test section 2051 be output as H level in the case of (ACT112：H), detection unit 1011 is sentenced
The output of fixed 2nd test section 2052 is L level or H level (ACT113).In the 2nd detection
The output in portion 2052 is (ACT113 in the case of H level：H), operation control part 1012 makes
1 balladeur train 21 is mobile (ACT114) to reference position.For example, operation control part 1012 makes reading part
The past end reference section 203a moves to reference position.Reading part reads the image level in detection zone,
The image level of reading is stored memorizer 104 (ACT115).
Operation control part 1012 makes the 1st balladeur train 21 mobile (ACT116) to position of readiness.Test section
The 1014 each image levels based on the often row being stored in memorizer 104, before whether detection sheet material is carried on
End reference section 203a (ACT117).
(ACT117 in the case of not being carried on front end reference section 203a：No), notify control unit
1015 inform the user this intention (ACT118).Thereafter, detection unit 1011 is from control panel 120
Judge whether the activate switch duplicated opens (ACT119).In the case that activate switch is not opened
(ACT119：No), detection unit 1011 judges that the output of the 1st test section 2051 is L level again
Or H level (ACT120).In the case that the output of the 1st test section 2051 is L level
(ACT120：L), operation control part 1012 makes the 1st balladeur train 21 move to size detection position
(ACT121).Thereafter, control device 101 removes the information (ACT122) being stored in memorizer 104.
Thereafter, the later process of execution ACT107.
In the process of ACT119, (ACT119 in the case of opening activate switch：It is),
Operation control part 1012 executes reading (ACT123) in image reading unit 200.
In the process of ACT117, (ACT117 in the case of being carried on front end reference section 203a：
It is), the later process of execution ACT119.
In the process of ACT113, in the case that the output of the 2nd test section 2052 is L level
(ACT113：L), the later process of execution ACT111.
In the process of ACT112, in the case that the output of the 1st test section 2051 is L level
(ACT112：L), the later process of execution ACT122.
In the process of ACT111, (ACT111 in the case that activate switch is opened：It is), move
Making control unit 1012 makes the 1st balladeur train 21 mobile (ACT124) to position of readiness.Thereafter, execute
The later process of ACT122.
According to the image processing apparatus 100 constituting as above, misprint can be reduced.Hereinafter, in detail
This effect is described.
Image level detection lug in image processing apparatus 100, based on detection zone set in advance
Whether material is carried on front end reference section 203a.Then, in the case of detecting and not carrying, this is anticipated
Purport notifies to user.Therefore, user can correct the configuration of sheet material before printing.Therefore, print can be reduced
Brush mistake.
According at least one embodiment described above, image processing apparatus 100 have reading part,
Reference section, opening and closing sensor and test section.Reading part reads the sheet material being carried on reading face.Reference section
It is the benchmark of the carrying position of sheet material.Opening and closing sensor detection clamps the original text of sheet material between reading face
The opened and closed positions of platform lid 10.Whether test section is carried on based on the infomation detection sheet material that reading part obtains
Reference section.Reading part moves according to the opened and closed positions of original text platform lid 10.Image processing apparatus 100 pass through
Have a structure in which, printing error can be reduced.
A part of work(of the image processing apparatus 100 in above-mentioned embodiment can be realized with computer
Energy.Now, can be used for realizing the program record of this function in computer readable recording medium storing program for performing.And,
Also can be by the program of record in the recording medium of record said procedure be read in computer system simultaneously
Execute and to realize.Additionally, " computer system " mentioned here comprises operating system, external equipment
On hardware.In addition, " computer-readable recording medium " refers to removable medium, storage device etc..
Removable medium is floppy disk, photomagneto disk, ROM, CD-ROM etc..In addition, storage device is interior
It is placed in hard disk of computer system etc..Additionally, " computer-readable recording medium " can be via
Order wire in the case of communication line router dynamically keeps program like that during the short time
Recording medium.Communication line is network or telephone line of the Internet etc. etc..In addition, " computer
Readable medium recording program performing " can also be the volatile storage of the inside computer system of server, client
Device.Volatile memory can keep program in certain time.In addition said procedure can be on realizing
State the program of a part for function.In addition, said procedure can also further pass through by above-mentioned function with
Combination already recorded in the program of computer system to be realized.
Although it have been described that some embodiments, but what these embodiments were merely exemplary, and
It is not used in restriction the scope of the present invention.In fact, new embodiment described herein can be various with other
Form, to embody, can be made further omission, substitute and change to implementations described herein
Spirit without deviating from the present invention.Appended claim and its equivalence cover such falling into
Spiritual Form of the present invention and modification.
Claims (10)
1. a kind of image processing apparatus, possess：
Reading part, reads the sheet material being carried on reading face；
Reference section, as the benchmark of the carrying position of described sheet material；
Opening and closing sensor, detection clamps the original text platform lid of described sheet material between described reading face
Opened and closed positions；
Whether test section, be carried on based on the sheet material described in infomation detection that described reading part obtains
Described reference section；And
Notify control unit, detecting in the case that described sheet material is not carried on described reference section
It is controlled,
Wherein, the described intention notifying control unit that described sheet material is not carried on described reference section
Notify to user.
2. image processing apparatus according to claim 1,
Wherein, described reading part moves according to the opened and closed positions of described original text platform lid.
3. image processing apparatus according to claim 1,
Described opened and closed positions represent described original text platform lid be shown in a fully open operation, close midvoyage condition,
Which state in full-shut position,
In the case that described reading part is in closing midvoyage condition in described original text platform lid, from benchmark
Position is moved to the direction of described reference section and is obtained the image level on described reading face,
In the case that described original text platform lid is in full-shut position, from described reference section to described reference position
Move and obtain the image level on described reading face.
4. image processing apparatus according to claim 3,
Described test section judges that described sheet material holds in the case that each image level obtaining is consistent
It is loaded in described reference section, in the case that part or all is inconsistent, judge described sheet material not
It is carried on described reference section.
5. image processing apparatus according to claim 1,
The described intention notifying control unit to pass through for described sheet material not being carried on described reference section shows
Show to notify described user in display part.
6. image processing apparatus according to claim 3,
Described image level is the edge level of described sheet material, the concentration of described sheet material and no piece
The concentration in material region.
7. image processing apparatus according to claim 6,
The concentration of described no areas of web material is a left side for the sheet material from described reference section to reading face
The concentration in the region at end.
8. image processing apparatus according to claim 3,
Described reading face presets detection zone,
Described detection zone from described reading face for the described reading part obtains described image water
Flat.
9. a kind of detection method, has：
Read step, reading part reads the sheet material carrying in reading face, and
Detecting step, based on the sheet material described in infomation detection obtaining in described read step be
The reference section of the no benchmark being carried on the carrying position as described sheet material,
Wherein, in described read step, press from both sides between described reading face according to by detection
Hold the described original text platform lid that the opening and closing sensor of the opened and closed positions of original text platform lid of described sheet material detects
Opened and closed positions, mobile described reading part.
10. detection method according to claim 9,
Described opened and closed positions represent described original text platform lid be shown in a fully open operation, close midvoyage condition,
Which state in full-shut position,
In the case that described reading part is in closing midvoyage condition in described original text platform lid, from benchmark
Position is moved to the direction of described reference section and is obtained the image level on described reading face,
In the case that described original text platform lid is in full-shut position, from described reference section to described reference position
Move and obtain the image level on described reading face.
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