CN1248151C - Image reading device and image reading method - Google Patents

Image reading device and image reading method Download PDF

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Publication number
CN1248151C
CN1248151C CN 02141224 CN02141224A CN1248151C CN 1248151 C CN1248151 C CN 1248151C CN 02141224 CN02141224 CN 02141224 CN 02141224 A CN02141224 A CN 02141224A CN 1248151 C CN1248151 C CN 1248151C
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read
draft
reading
mentioned
image
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CN1396554A (en
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石丸修二
荻野浩二
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Nicecar Co Ltd Co Ltd
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Nicecar Co Ltd Co Ltd
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Abstract

The present invention relates to an image reading apparatus and a image reading method. The image reading device comprises an optical read means which reads the image data of the stationary document mounted on the platen through the movement scanning in 1st read mode with a 1st moving speed or 2nd read mode with a 2nd moving speed and a discriminating means for discriminating the kind of the image data read by the optical read means. A control device operates the transport device for ejecting the original and outputting the image data read in the first reading mode when the image data is the first kind, and operates the transport device to return the original to the platen and actuates the reading device to read in the second reading mode when the image data is the second kind. The 1st read mode is a mode for reading a black-and-white image and its document read speed is faster than the document read speed of the 2nd read mode for reading a color image.

Description

Image read-out and image reading method
Technical field
The present invention relates to movably to scanning in the view data that is positioned over the static draft on the platen, this view data is read the image read-out and the image reading method of processing, in particular, the present invention relates to can be to black and white paper, and colored draft reads the image read-out and the image reading method of processing.
Background technology
In recent years, follow and can realize the colored personal computer of drawing, internet, or the popularizing of electronic photo etc. duplicate same as before, print, or transmit relative black white image, and the needing of the coloured image that expressive force is better increases.Thus, in image read-out, also required more at high speed, accurately colored draft was read processing than the past.
Yet, colored draft is read the occasion of processing at image read-out, usually, because must be at the R (red) as 3 kinds of primary colors of light, G (green), every kind of color of B (indigo plant), view data is read processing, so at higher resolution identical with the reading of black white image the time, the occasion that colored draft is read, compare when handling with reading of black and white paper, its reading speed must slow down.
The draft that image read-out read has the situation that is mixed with colored draft and black and white paper, but in such occasion, if uniformly read processing according to colored read mode, then the reading speed during the reading of black and white paper reduces.
Thus, in prior art, people know the mode that reads that the so-called mode of scanning/main sweep is in advance arranged, in this mode, draft is being read when handling, at first, it is black and white that optically read mechanism is used to discern the draft that from then on plan read, still colored scanning in advance, if according to this identification, be black and white paper, then the black and white read mode according to the scanning of fair speed reads processing, if be colored draft, then read processing according to colored read mode.
Necessarily require the device of the mode of scanning/main sweep in advance that 2 times such draft passes through as improvement, people know the open described image processing apparatus of communique of No. 261417/1997 patent of invention of Japan.In this device, circulating manuscript transfer device is installed on the reading device, draft is moved in advance read the position, make it in the device inner loop, thus, at the whole page or leaf of the draft that reads, to being black and white paper, still the situation of colored draft is discerned, and at each draft page or leaf, stores this recognition result, when reading processing to draft is actual, in the occasion of black and white paper, optically read mechanism is fixed, when draft is moved, it is read, carry out high-velocity scanning thus,, be set in draft on the platen regularly in the occasion of colored draft, optically read mechanism is moved on one side, scan on one side, thus, carry out accurate image and read processing.
In addition, the open communique of No. 24850/2001 patent of invention of Japan discloses a kind of draft reading device, in this draft reading device, in advance to being according to colored read mode, still according to the black and white read mode situation that draft reads is set, by the colored identification mechanism in the manuscript transfer device, to being black and white paper, still colored draft is discerned, and the draft that this recognition result and setting pattern are consistent reads processing.
Summary of the invention
But, at the device that comprises the open communique of No. 261417/1997 patent of invention of Japan, the occasion of the image read-out of the above-mentioned mode of scanning/main sweep in advance, because before the main sweep that image reads, necessarily requiring to be used for to draft is colored draft, or the scanning in advance that black and white paper is discerned is less shortened so be mixed with the image time for reading of whole drafts of colored draft and black and white paper.
In addition, the occasion at the open communique of No. 24850/2001 patent of invention of Japan is being set at the occasion of colored read mode, when being mixed with black and white paper in colored draft, then this black and white paper is not read processing.Thus, must be after being set at the black and white read mode, horse back reads once more and begins operation.If consider the needed time of such operation, then all the time for reading of draft can not shorten.
The present invention is directed to the draft that is mixed with colored draft and black and white paper and read processing, draft reading device and draft read method are provided, it has the recognition function of colored draft and black and white paper, at black and white paper, carry out the processing of reading of high-velocity scanning, at colored draft, read accurately when handling, can carry out high speed to whole drafts and read processing.
The problem that The present invention be directed to such prior art proposes, the invention provides a kind of image read-out, this image read-out is made of following mechanism: optically read mechanism, this optically read mechanism is used for the 1st read mode according to the 1st translational speed, or the 2nd read mode of the 2nd translational speed, movably the image that is positioned over the draft on the platen is scanned, this view data is read processing; Identification mechanism, this identification mechanism are used for the kind that above-mentioned optically read mechanism has read the view data of processing is discerned; Control gear, this control gear is controlled in the following manner, this mode is: when the kind of the above-mentioned view data that has read at first according to above-mentioned the 1st read mode is above-mentioned the 1st kind, the view data that output has been read according to the 1st read mode, when the kind of above-mentioned view data is the 2nd kind, according to above-mentioned the 2nd read mode, read processing.
Here, above-mentioned the 1st read mode is the black and white read mode that is used for black white image is read processing, and its draft reading speed greater than the 2nd read mode, is used for coloured image is read the draft reading speed of the pattern of processing.In addition, also can be for above-mentioned the 1st read mode is to be used for 2 value gray level images are read the pattern of processing, above-mentioned the 2nd read mode is the pattern that is used for many-valued gray level image is read processing.
Thus, in the present invention, because in the draft process of black and white paper, can utilize the initial acquired view data in the action that reads same as before,, can put down draft and carry out high speed and read processing being mixed with one of black and white paper and colored draft so do not need main sweep.
In addition, the invention provides a kind of image read-out, this image read-out is made of following mechanism: optically read mechanism, this optically read mechanism is used for the black and white read mode according to the 1st reading speed, or the colored read mode of the 2nd reading speed, movably the view data that is positioned over the static draft on the platen is scanned, this view data is read processing; The view data that identification mechanism, this identification mechanism are used for above-mentioned optically read mechanism has been read processing is a monochrome data, or color data is discerned; Control gear, this control gear is controlled in the following manner, this mode is: when the view data that has read according to above-mentioned black and white read mode is monochrome data, carry out the processing of reading of this black and white read mode continuously, when in the image process of reading above-mentioned view data being identified as color data, even read the processing of reading of also ending the black and white read mode before being at the image of above-mentioned static draft, and the monochrome data that is over is read in deletion, make above-mentioned optically read mechanism return to the starting position of reading of this draft simultaneously, or do not comprise and the draft position of color data begin the processing of reading of above-mentioned colored read mode once more.
Thus, the present invention can make and be mixed with the processing of reading that one of black and white paper and colored draft put down draft, carries out more at high speed.
In addition, the invention provides a kind of image reading method, this image reading method is used for movably the view data that is positioned over the static draft on the platen being scanned, this view data is read processing, and this image reading method is formed by following each step: the step that draft is read according to the 1st read mode; The step that the kind of the view data that read is discerned; When the kind of above-mentioned view data is the 1st kind, export the step of the view data that has read according to above-mentioned the 1st pattern; When the kind of above-mentioned view data was the 2nd kind, the 2nd read mode according to different with above-mentioned the 1st read mode read the step of processing to this draft.
Have again, the invention provides a kind of image reading method, this image reading method is used for movably the view data that is positioned over the static draft on the platen being scanned, this view data is read processing, and this image reading method is formed by following each step: the step that draft is read according to the black and white read mode; The step that the kind of the view data that read is discerned; When the kind of above-mentioned view data is monochrome data, carry out the step that reads processing continuously according to above-mentioned black and white read mode; When in the image process of reading above-mentioned view data being identified as color data, even read the processing of reading of also ending above-mentioned black and white read mode before being at the image of above-mentioned static draft, and the monochrome data that is over is read in deletion, make above-mentioned optically read mechanism return to the starting position of reading of this draft simultaneously, or do not comprise the draft position of this color data, then, this draft is read the step of processing according to above-mentioned colored read mode.
Description of drawings
Fig. 1 represents the example (two balladeur train) of the 1st image read-out of the present invention;
Fig. 2 represents the example (single balladeur train) of the 2nd image read-out of the present invention;
Fig. 3 (a) is the relative sensitivity of the colour identification of each sensor of expression and the spectral sensitivity characteristic figure of the relation between the wavelength, the spectral reflectance data of Fig. 3 (b) expression black and white paper;
Fig. 4 represents to adopt the circuit structure of the picture signal control part of 4 row imageing sensors with black and white sensor;
Fig. 5 represents to adopt the circuit structure of the picture signal control part of 3 row imageing sensors;
The setting of the read mode in Fig. 6 presentation video reading device;
Fig. 7 represents that the 1st image of the present invention reads the process flow diagram of method of controlling operation;
Fig. 8 represents that the 2nd image of the present invention reads the process flow diagram of method of controlling operation.
Embodiment
Below with reference to the accompanying drawings, the instantiation to the form of implementation of image read-out of the present invention and image reading method is described in detail.
Fig. 1 represents the example of the image read-out that is called " two balladeur train mode " of the 1st embodiment of the present invention.
As shown in Figure 1, the reading part that forms optically read mechanism is made of the 1st balladeur train 50 and the 2nd balladeur train 51, the 1st balladeur train 50 is formed by light source 52 and the 1st catoptron 53, the 2nd balladeur train 51 is used for by fixing condenser 56, to send the photo-electric conversion element 60 of CCD etc. to from the reflected light of the 1st balladeur train 50.The two balladeur train structural reason of the such employing of optically read mechanism are to move below platen on one side in optically read mechanism, scan on one side and read when handling being positioned over draft on the platen, make the light path that reads between position and the photo-electric conversion element 60 of the draft of variation keep certain distance, obtain accurate more view data thus.
The driving mechanism that makes so two balladeur train actions is by slide rail 57, and balladeur train moves with motor 58, and wire rope 59 constitutes, these slide rail 57 supporting the 1st balladeur train 50 and the 2nd balladeur trains 51, it is moved lead, this wire rope 59 is connected with this balladeur train, transmits the driving force from motor.If, balladeur train is moved with motor 58 is rotated in the forward by control gear, or reverse rotation, then be wound on the pulley that is connected with the turning axle of this motor, so it moves back and forth owing to wire rope 59.Then, the 1st and the 2nd balladeur train 50,51 that is connected with this wire rope 59 is realized moving.Thus, the 1st and the 2nd balladeur train 50,51 is realized sliding by slide rail 57 guiding, moves along the direction of scanning.The 1st balladeur train 50 both can also can move along its reverse direction along the regulation direction of scanning, and its translational speed can be followed balladeur train to move with the rotational speed of motor 58 to change.Balladeur train moves with motor 58 and adopts pulse motor usually, according to the number of pulses that is applied, rotational speed is controlled.
Like this, the 1st and the 2nd balladeur train 50,51 forms like this,, can carry out the lower reading speed corresponding to colored read mode that is, and moves corresponding to the scanning of the higher reading speed of black and white read mode.In addition, also can form like this, that is, move with motor 58 reverse rotations,, the 1st balladeur train 50 be set back along reading the starting position direction by making balladeur train.
Fig. 2 is expression the 2nd embodiment's of the present invention, is called the example of the image read-out of " single balladeur train mode ".
As shown in Figure 2, in the present embodiment, provide the drives structure that is positioned over 1 optically read mechanism on the balladeur train.In this occasion, optically read mechanism comprises the photoelectric commutator of CCD etc., and it is received in 1 balladeur train 61 inside.
The balladeur train travel mechanism of present embodiment is made of following part, and this following part comprises guide rail 79, and these guide rail 79 supporting carriages 61 move it and to lead; Balladeur train moves with motor 76; Mobile belt 75, this moves belt 75 and connects balladeur train 61, transmits the driving force from motor; Transmit belt 77, this transmission belt 77 passes to mobile belt 75 with driving force.Above-mentioned balladeur train 61 is connected with mobile belt 75.Therefore, balladeur train 61 move through being rotated in the forward of balladeur train travel motor 76, reverse rotation and realizing is transmitted belt 75,77 and the revolving force of this motor 76 is passed to is transmitted belt 77.Thus, balladeur train 61 moves the Spin Control of using motor 76 by the balladeur train of control gear, by guide rail 79 guiding, realizes sliding, and moves along the direction of scanning.
In the occasion of this list balladeur train mode, identical with the occasion of above-mentioned two balladeur train modes, balladeur train 61 both can also can move along its reverse direction along the direction of scanning of regulation, and its translational speed can be followed balladeur train to move with the rotational speed of motor 76 to change.Balladeur train moves with motor 76 and adopts pulse motor usually, according to the number of pulses that is applied, rotational speed is controlled.
Like this, balladeur train 61 forms like this,, can carry out the lower reading speed corresponding to colored read mode that is, and moves corresponding to the scanning of the higher reading speed of black and white read mode.In addition, also can form like this, that is, move with motor 76 reverse rotations,, the 1st balladeur train 61 be set back along reading the starting position direction by making balladeur train.
Below image reading method of the present invention is specifically described.
At first, to being the black white image of reading images, or the recognition methods of coloured image is described.
Fig. 3 (a) provides the figure of the spectral sensitivity characteristic of the relative sensitivity of colour identification of each sensor and the relation between the wavelength for expression, Fig. 3 (b) is the figure of the spectral reflectance data of expression black and white paper.Shown in Fig. 3 (a), for red line sensor, the green rows sensor, the read value of blue line sensor, the wavelength that peak value produced of the spectrum sensitivity of each line sensor be for red (R), green (G), blue (B) is different, thus, when colored draft reads, the wavelength difference of the peak value of the output of each line sensor.Shown in Fig. 3 (b), in the occasion of black and white paper, spectral reflectivity does not rely on wavelength, and keeps certain, and each line sensor is the pixel of white relatively, equally presents higher sensor output, and black picture element equally presents lower sensor output relatively.Thus, identification, or to differentiate the draft carried out reading processing be colored draft, or black and white paper.Like this, it should be noted that only to judge whether the wavelength of peak value of output of the line sensor of each color has difference, thus,, can discern fully according to the view data that the high speed by the black and white read mode reads in order to differentiate draft.
Like this, in the present invention, the color judging part forms in the following manner, and this mode is: the shading correction portion that will describe from behind receives the red line sensor that is converted to digital signal, the green rows sensor, the output of blue line sensor if corresponding output pattern has difference, then is judged to be colour, if do not have difference, then be judged to be black and white paper.
But, below in the present embodiment that will describe, following example is described, in this example, in the data store 107 (Fig. 4 and Fig. 5) that the view data of reading mechanism having been carried out read processing is stored successively, has picture signal control device (below be called " control device ").But, according to the kind of image read-out, also have following type, wherein do not have the data-carrier store of storing image data, to after carrying out treatment for correcting from the view data of reading mechanism, same as before, it is outputed to the imaging device side.In such occasion, in an application of the invention, identification is monochrome data, or the identification mechanism of the kind of the view data of color data basis is carried out from the correction signal of the view data of reading mechanism.
Fig. 4 represents that green (G) beyond blue (B) these 3 sensors, also adopts the circuit structure of the control device 100 of 4 line sensors with black and white (B/W) sensor except having redness (R).In Fig. 4, control device 100 is formed by following part, and this following part comprises 4 line sensor 102W that draft read processing, 102R, 102G, 102B; A/D converter section 103, this A/D converter section 103 has carried out reading the simulated data of processing with line sensor, is converted to numerical data; Shading correction portion 104,104 pairs in this shading correction portion has carried out data converted and has carried out shading correction (sensitivity correction between the photo-electric conversion element); Color judging part 106, this color judging part 106 is judged the gray scale of having carried out the data of shading correction; Control part 108, the result that this control part 108 receives by the color judgement section judges, the signal that reads processing of output control image read-out; Selection portion 105, this selection portion 105 are switched ground output monochrome data by the SEL signal from control part 108, or color data; Data store 107, this data store 107 switches to reading of black and white according to the SEL signal from control part 108, or colored reading, and data are stored, and outputs it to imaging device.
The occasion of the control circuit in Fig. 4, view data during the 1st read mode (black and white read mode) adopts the view data that has read by black and white sensor 102W, but simultaneously, according to green sensor 102G, the output of red sensor 102R and blue sensor 102B, to being colored draft, or black and white paper is judged.
Fig. 5 is employing red (R), green (G), the picture signal control part 100b of blue (B) these 3 line sensors, this picture signal control part 100b is formed by following part, and this part comprises line sensor 102R, 102G, 102B; A/D converter section 103, this A/D converter section 103 is converted to numerical data with the simulated data that this line sensor has carried out reading processing; Shading correction portion 104,104 pairs in this shading correction portion have carried out data converted and have carried out the shading correction processing; The monochromatic converter section 109 that mixes, it generates black signal according to having carried out the data that shading correction is handled; Color judging part 106, this color judging part 106 is judged the gray scale of having carried out the data of shading correction; Control part 108, the result that this control part 108 receives by the color judgement section judges reads control the signal of processing and exports to image read-out; Selection portion 105, this selection portion 105 are switched ground output monochrome data according to the SEL signal from control part 108, or color data; Data store 107, this data store 107 switches to black and white and reads by the SEL signal from control part 108, or colour reads, and the storage reading of data outputs it to imaging device.Therefore, in the occasion of the control circuit of Fig. 5, the view data during the 1st read mode (black and white read mode) becomes green sensor 102G, the AND value of the output of red sensor 102R and blue sensor 102B.In addition, according to green sensor 102G, whether the output pattern of red sensor 102R and blue sensor 102B is variant, and judgement is colored draft, or black and white paper.
The example that the draft of present embodiment is read control flow is described below.
Passing through this image read-out, when draft is read processing (S1), the operator carries out the setting (S2) of read mode according to Fig. 6.If be set at colored read mode (S3), the image that then carries out the color pattern image (25CPM/108mm/sec) of low speed reads processing.If be set at black and white read mode (S5), the image that then carries out white-black pattern (50CPM/216mm/sec) at a high speed reads processing.In addition, in the occasion (S4) that is set at automatic coloured selection (ACS) pattern, carry out following such action control of reading of the present invention.
Fig. 7 relates to the 1st control method that image of the present invention reads action, its be illustrated in the 1st read mode (mobile read mode) draft read end after, judge the process flow diagram of control method of the pattern of the view data read.
Fig. 8 relates to the 2nd control method that image of the present invention reads action, and it is illustrated in draft and reads the process flow diagram of judging the control method of the pattern image data that reads in the processing procedure seriatim.
In Fig. 7, after being positioned over draft on the sheet feed stacker, begin to read action (S10)., set ACS pattern (S11) here, then, the initiating key (S12) in the pressing image reading device at this moment, reads mode according to the 1st, begins draft read action (S13).To be stored in (S14) in the storer as the 1st kind of data (monochrome data) according to the data that the 1st read mode reads.These storage data refer to following view data, promptly, as Fig. 4, shown in Figure 5, row ccd sensor 102 has carried out reading the simulating signal of the draft of processing and has carried out the A/D conversion by A/D converter section 103, and carry out shading correction by shading correction portion 104 and handle, export to the view data of selection portion 105.
If this draft initial read end (S15), then the kind of 106 pairs of view data of having stored of color judging part is discerned (S17)., in the occasion that is identified as the 1st kind (monochrome data), the view data that is stored in the data store 107 is outputed to imaging device side (S16) here, the image of this draft reads and leaves it at that.
Then, view data in will being stored in data-carrier store 107 is identified as the occasion (S17) of the 2nd kind (coloured image), the read mode of device is become the speed that is used for according to less than above-mentioned the 1st read mode, the 2nd read mode (colored read mode) that reads processing (S18), deletion read as monochrome data and the view data (monochrome data) of the 1st read mode in the data store 107 of storing (S19).
Then, optically read mechanism is returned to the starting position of reading of this draft, or return to the draft position (S20) that does not comprise color data.This time, according to the 2nd read mode (colored read mode), carry out image and read action (S21).
The 2nd read mode (colored read mode) carries out according to than the slow speed of the 1st read mode (black and white read mode).Then, will one by one be stored in data-carrier store 107 (S22) to the view data (color image data) that this draft has carried out reading processing.Draft read the processing consecutive hours, carry out draft read action (S21, S22), if the reading of the 2nd read mode of this draft finish dealing with (S23) then outputs to imaging device side (S24) with the color image datas in the storer 107.Then, on platen, place the occasion of a new draft, carry out above-mentioned read action (S25, S26).
Fig. 8 represents that the 2nd image of the present invention reads the example of action control.Here, different with the 2nd above-mentioned control method, can judge at draft and read in the processing, be monochrome data, or color data.
In Fig. 8, after on the assigned position that draft is positioned over platen, begin to read action (S30).Here, after setting ACS pattern (S31), if the initiating key of pressing image reading device (S32) then begins to read action (S33) with draft according to the 1st read mode.
The data that read according to the 1st read mode are stored in (S34) in the storer as the 1st kind of data (monochrome data).These storage data refer to following view data, this view data refers to as shown in Fig. 6 or Fig. 7, row ccd sensor 102 has carried out reading the simulating signal of this draft of processing through 103 conversions of A/D converter section, and by shading correction portion 104, carry out shading correction, export to the view data of selection portion 105.
Then, read in the example of action control at the 2nd image, the example that reads action control with above-mentioned the 1st image is different, and it is the 1st kind (monochrome data) that the image at this draft is read the view data that one by one reads in the process, and still the 2nd kind (color data) discerns (S35).In addition, in the occasion (S36) that with this data identification is the 1st kind (monochrome data), that carries out the 1st read mode continuously reads processing (S38).
In all images data identification with this draft is the occasion of the 1st kind (monochrome data), and the view data that is stored in the data-carrier store 107 is outputed to imaging device side (S38), and the image of this draft reads and leaves it at that.
Yet, be identified as the occasion of the 2nd kind (coloured image) in image reading of data with this draft, that ends the 1st read mode (black and white read mode) reads processing (S37) at once, the read mode of this device is transformed to as the 2nd read mode (colored read mode) that is used for reading processing according to the speed lower than the 1st read mode (S39), the deletion read according to the 1st read mode up till now, and be stored in the data-carrier store 107 view data (monochrome data) (S40).
Then, optically read mechanism is returned to the starting position of reading of this draft, or return to the draft position (S41) that does not comprise color data, this time, according to the 2nd read mode (colored read mode), the beginning image reads processing (S42).
The 2nd read mode (colored read mode) is according to carrying out than the slow speed of the 1st read mode (black and white read mode).In addition, the view data (color image data) that this draft has been carried out reading processing is stored in (S43) in the data-carrier store 107 seriatim.At the consecutive hours that reads of draft, carry out draft read action (S42, S43), if the reading of the 2nd read mode of this draft finish dealing with (S44) then outputs to imaging device side (S45) with the color image datas in the storer 107.In the occasion that a new draft is positioned on the platen, carry out above-mentioned read action (S25, S26).
As top specifically described, in image read-out of the present invention, comprise optically read mechanism, this optically read mechanism is used for the black and white read mode according to the translational speed that reads black and white paper, or read the colored read mode of the translational speed of colored draft, movably the image that is positioned over the draft on the platen is scanned, this view data is read processing; Identification mechanism, this identification mechanism are used for the kind that above-mentioned optically read mechanism has read the view data of processing is discerned; This image read-out is controlled in the following manner, this mode is: when the kind of the above-mentioned view data that has read at first according to above-mentioned black and white read mode is monochrome data, the view data that output has been read according to this black and white read mode, when the kind of above-mentioned view data is color data, according to above-mentioned colored read mode, read processing, the output color image data.
In addition, in said structure, control in the following manner, this mode is: when in the image process of reading above-mentioned view data being identified as color data, even read the processing of reading of also ending the black and white read mode before being at the image of above-mentioned static draft, and deletion reads the monochrome data that is over, and makes above-mentioned optically read mechanism return to the starting position of reading of this draft simultaneously, or do not comprise and the draft position of color data begin the processing of reading of above-mentioned colored read mode.
Thus, in the present invention, movably the view data that is positioned over the static draft on the platen is being scanned, it is read in the image read-out of processing, because in the reading of black and white paper, can utilize same as before in the initial view data that obtains in the action that reads,, realize being mixed with one of black and white paper and colored draft and put down the high speed of draft and read so do not need main sweep.
In addition,, when being identified as color data, also end the processing of reading of black and white read mode immediately, transfer the processing of reading of colored read mode to, thereby avoided unnecessary action even not reading of all drafts is on the platen.

Claims (6)

1. image read-out, this image read-out is made of following mechanism:
Optically read mechanism, this optically read mechanism is used for the black and white read mode according to the translational speed that reads black and white paper, or read the colored read mode of the translational speed of colored draft, and movably the image that is positioned over the draft on the platen is scanned, this view data is read processing;
Identification mechanism, this identification mechanism are used for the kind that above-mentioned optically read mechanism has read the view data of processing is discerned;
Control gear, this control gear is controlled in the following manner, this mode is: when the kind of the above-mentioned view data that has read at first according to above-mentioned black and white read mode is monochrome data, the view data that output has been read according to this black and white read mode, when the kind of above-mentioned view data is color data, according to above-mentioned colored read mode, read processing.
2. image read-out according to claim 1 is characterized in that the draft reading speed of above-mentioned black and white read mode, greater than the draft reading speed of above-mentioned colored read mode.
3. image read-out, this image read-out is made of following mechanism:
Optically read mechanism, this optically read mechanism is used for the black and white read mode according to the translational speed that reads black and white paper, or read the colored read mode of the translational speed of colored draft, movably the view data that is positioned over the static draft on the platen is scanned, this view data is read processing;
The view data that identification mechanism, this identification mechanism are used for above-mentioned optically read mechanism has been read processing is a monochrome data, or color data is discerned;
Control gear, this control gear is controlled in the following manner, this mode is: when the view data that has read according to above-mentioned black and white read mode is monochrome data, carry out the processing of reading of this black and white read mode continuously, when in the image process of reading above-mentioned view data being identified as color data, even read the processing of reading of also ending the black and white read mode before being at the image of above-mentioned static draft, and the monochrome data that is over is read in deletion, make above-mentioned optically read mechanism return to the starting position of reading of this draft simultaneously, or do not comprise and the draft position of color data begin the processing of reading of above-mentioned colored read mode.
4. image reading method, this image reading method is used for movably the view data that is positioned over the static draft on the platen being scanned with the optics reading mechanism, and this view data is read processing, and this image reading method is formed by following each step:
The step that draft is read according to the black and white read mode;
The step that the kind of the view data that read is discerned;
When the kind of above-mentioned view data is monochrome data, export the step of the view data that has read according to above-mentioned white-black pattern;
When the kind of above-mentioned view data is color data, make above-mentioned optically read mechanism return to the starting position of reading of this draft, or do not comprise the draft position of color data, this draft is read the step of processing.
5. image reading method according to claim 4 is characterized in that the draft reading speed of above-mentioned black and white read mode, greater than the draft reading speed of colored read mode.
6. image reading method, this image reading method is used for movably the view data that is positioned over the static draft on the platen being scanned, and this view data is read processing, and this image reading method is formed by following each step:
The step that draft is read according to the black and white read mode;
The step that the kind of the view data that read is discerned;
When the kind of above-mentioned view data is monochrome data, carry out the step that reads processing continuously according to the black and white read mode;
When in the image process of reading above-mentioned view data being identified as color data, even read the processing of reading of also ending above-mentioned black and white read mode before being at the image of above-mentioned static draft, and the monochrome data that is over is read in deletion, make above-mentioned optically read mechanism return to the starting position of reading of this draft simultaneously, or do not comprise the draft position of this color data, then, this draft is read the step of processing according to above-mentioned colored read mode.
CN 02141224 2001-07-05 2002-07-03 Image reading device and image reading method Expired - Fee Related CN1248151C (en)

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US7934284B2 (en) 2003-02-11 2011-05-03 Braun Gmbh Toothbrushes
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US8806695B2 (en) 2002-08-09 2014-08-19 Colgate-Palmolive Company Oral care implement having flexibly supported cleaning elements extending in opposite directions
US9167888B2 (en) 2002-08-09 2015-10-27 Colgate-Palmolive Company Oral care implement having flexibly supported cleaning elements extending in opposite directions
US7934284B2 (en) 2003-02-11 2011-05-03 Braun Gmbh Toothbrushes
US7958589B2 (en) 2003-02-11 2011-06-14 The Gillette Company Toothbrushes
US8695149B2 (en) 2003-02-11 2014-04-15 Braun Gmbh Toothbrushes

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