CN102632707B - Recording device and control method - Google Patents
Recording device and control method Download PDFInfo
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- CN102632707B CN102632707B CN201210022793.8A CN201210022793A CN102632707B CN 102632707 B CN102632707 B CN 102632707B CN 201210022793 A CN201210022793 A CN 201210022793A CN 102632707 B CN102632707 B CN 102632707B
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Abstract
The invention relates to a recording device and a control method of the same. The recording device allows the position of an ink droplet ejected by a recording head to be detected with a fine precision. According to the recording device, an ink droplet (303) is ejected by recording heads (21)~(25), the position information along an auxilary scanning direction and the position information along a main scanning direction of the ink droplet (303) are detected, the position information along the auxilary scanning direction corresponds to a first output signal obtained by a first light receiving element array (301Y) when the ink droplet (303) passes through a part of an optical axis (304Y) in a first luminous element array (300Y), and the position information along the main scanning direction corresponds to a second output signal obtained by a second light receiving element array (301X) when the ink droplet (303) passes through a part of an optical axis (304X) in a second luminous element array (300X).
Description
Technical field
The present invention relates to the tape decks such as ink-jet printer.
Background technology
When inkjet recording device utilizes the balladeur train carrying record head to move around on main scanning direction, spray ink droplet with record head, image (point) is recorded in recording medium.When forming image, conveying roller etc., along sub scanning direction conveying recording medium, meanwhile, repeatedly carry out the record on main scanning direction, thus form image on a recording medium.
If record head fails correctly to be carried on balladeur train, during occurrence record head alignment error, the ink droplet sprayed from record head will depart from normal position.
For the problems referred to above, patent document 1 (JP speciallys permit No. 4186548 publication) discloses a kind of tape deck, this tape deck possesses speed detector and driving control device, the detection time that this speed detector sprays ink droplet according to the nozzle of record head detects drop speeds, this driving control device at record head and speed detector along in the process of main scanning direction relative movement, control multiple nozzle and repeatedly spray ink droplet simultaneously, and the mean value of detected value that computational speed checkout gear detects, and then by this mean value compared with predetermined desired value, and result changes the drive condition of record head based on the comparison, make this mean value consistent with desired value, and record head need not be made to stop at detection position one by one, but in the moving process of record head, detect the speed of the ink droplet that nozzle sprays, measure at a high speed the flying speed of ink droplet, then, when carrying out compensate for ambient change according to this measurement result and print, the record head temperature drop speeds caused that rises changes.
The object of patent document 1 is to utilize and comprises a pair light-emitting component and photo detector and the speed detector that optical axis is parallel to sub scanning direction solves the ink droplet skew problem on main scanning direction.But the invention of patent document 1 does not consider that the drop location of sub scanning direction departs from.And this invention cannot detect the drop location on sub scanning direction.
Summary of the invention
In view of the foregoing, the invention provides a kind of tape deck and control method, its object is to the drop location carrying out the injection of detection record head by good precision.
In order to achieve the above object, the invention provides following technical scheme.
< tape deck >
A kind of tape deck, it is characterized in that, comprising: the first light-emitting device array, wherein possess multiple light-emitting component, the optical axis of each light-emitting component is parallel to main scanning direction; First photodetector array, wherein possesses the multiple photo detectors corresponding with the light-emitting component in described first light-emitting device array; Second light-emitting device array, wherein possesses multiple light-emitting component, and the optical axis of each light-emitting component is parallel to sub scanning direction; Second photodetector array, wherein possesses the multiple photo detectors corresponding with the light-emitting component in described second light-emitting device array; Injection apparatus, sprays the ink droplet of regulation with record head; And, position information detection device, for detecting the positional information of described ink droplet at sub scanning direction and the positional information of main scanning direction, the positional information of this sub scanning direction corresponds to described ink droplet the first output signal that described in when the optical axis by described first light-emitting device array of a part, the first photodetector array obtains, and the positional information of this main scanning direction corresponds to described ink droplet the second output signal that described in when the optical axis by described second light-emitting device array of a part, the second photodetector array obtains.
< control method >
For a control method for tape deck, this tape deck comprises: the first light-emitting device array, wherein possesses multiple light-emitting component, and the optical axis of each light-emitting component is parallel to main scanning direction; First photodetector array, wherein possesses the multiple photo detectors corresponding with the light-emitting component in described first light-emitting device array; Second light-emitting device array, wherein possesses multiple light-emitting component, and the optical axis of each light-emitting component is parallel to sub scanning direction; Second photodetector array, wherein possesses the multiple photo detectors corresponding with the light-emitting component in described second light-emitting device array; And, injection apparatus, spray the ink droplet of regulation with record head, the feature of described control method is to comprise: injecting step, sprays the ink droplet of regulation with record head; And, positional information detecting step, the second output signal that described in when the first output signal obtained based on the first photodetector array described in described ink droplet is when the optical axis by described first light-emitting device array of a part and described ink droplet are at the optical axis by described second light-emitting device array of a part, the second photodetector array obtains, detects and corresponds to this first output signal and this second positional information of described ink droplet outputed signal.
Effect of the present invention is the dripping position of the ink droplet that can spray from record head with good accuracy detection.
Accompanying drawing explanation
Fig. 1 is the integrally-built schematic diagram of tape deck of a routine present embodiment.
Fig. 2 is the schematic diagram that a routine controlling organization of the tape deck of present embodiment is formed.
Fig. 3 is the schematic diagram that in ink droplet checkout gear, part is formed.
Fig. 4 is the schematic diagram of ink droplet checkout gear setting position.
Fig. 5 A and Fig. 5 B is the schematic diagram that a routine diverging light detection mode is formed.
Fig. 6 A and Fig. 6 B is the schematic diagram that a routine transmitted light detection mode is formed.
Fig. 7 is the schematic diagram for illustration of transmitted light detection mode.
Fig. 8 is the top view of ink droplet checkout gear.
Fig. 9 A and Fig. 9 B is that wherein, Fig. 9 A is top view, and Fig. 9 B is side view for illustration of not having the figure of drop location ideally of occurrence record head alignment error.
Figure 10 A and Figure 10 B is the figure of the process of the output signal obtained for illustration of photodetector array.
Figure 11 is not having the positional information of the ink droplet ideally obtained and the schematic diagram of temporal information of occurrence record head alignment error.
Figure 12 A and Figure 12 B is the figure detecting ink droplet under the state of occurrence record head alignment error, and wherein Figure 12 A is top view, and Figure 12 B is side view.
Figure 13 is the actual positional information of ink droplet 303 that detects of an example and the figure of temporal information.
Figure 14 is the flow chart of position deviation detection action in example first embodiment.
Figure 15 is the schematic diagram of position relationship between display ink droplet checkout gear and record head.
Figure 16 is the flow chart of position deviation detection action in example second embodiment.
Figure 17 A and Figure 17 B is the figure of the positional information for illustration of ink droplet, and wherein Figure 17 A is top view, and Figure 17 B is side view.
Figure 18 is the flow chart of position deviation detection action in an example the 3rd embodiment.
Figure 19 is the figure being in heeling condition for illustration of record head.
The explanation of mark
5 balladeur trains, 21 ~ 25 record heads, 40 ink droplet checkout gears, 300 light-emitting device arrays, 42LD driver, 301 photodetector arrays, 44PD output circuit, 100 control parts, 101 storage parts.
Detailed description of the invention
" the tape deck summary of present embodiment "
First the tape deck summary of present embodiment is described with reference to figure 8.
As shown in Figure 8, the tape deck of present embodiment has with lower component, and the first light-emitting device array 300Y wherein arranges multiple light-emitting component (LEDY1 ~ LEDYN), and the optical axis 304Y of each light-emitting component is parallel to main scanning direction; First photodetector array 301Y, wherein arrange multiple photo detector (PDY1 ~ PDYN), each light-emitting component (LEDY1 ~ LEDYN) in the corresponding above-mentioned first light-emitting device array 300Y of each photo detector (PDY1 ~ PDYN) difference; Second light-emitting device array 300X, wherein arranges multiple light-emitting component (LEDX1 ~ LEDXN), and the optical axis 304X of each light-emitting component is parallel to sub scanning direction; Second photodetector array 301X, wherein arrange multiple photo detector (PDX1 ~ PDXN), each light-emitting component (PDX1 ~ PDXN) in the corresponding above-mentioned second light-emitting device array 300X of each photo detector (PDY1 ~ PDYN) difference; And multiple record head 21 ~ 25 for spraying ink droplet 303.
The tape deck of present embodiment sprays ink droplet 303 with record head 21 ~ 25.During the segment optical axis 304X of this ink droplet 303 by the segment optical axis 304Y of the first light-emitting device array 300Y and the second light-emitting device array 300X, the first output signal and the second output signal can be obtained respectively from the first photodetector array 301Y and the second photodetector array 301X, based on this first output signal and the second output signal, can detect that ink droplet 303 is in sub scanning direction positional information and main scanning direction positional information.
So, tape deck of the present invention can detect that ink droplet 303 that record head 21 ~ 25 sprays is in main scanning direction positional information and sub scanning direction positional information, for this reason, and the ink droplet 303 that can spray with good accuracy detection record head 21 ~ 25.The tape deck of present embodiment is described in detail below with reference to accompanying drawing.
" the first embodiment "
< tape deck overall structure >
First, the overall structure of the tape deck of this embodiment is described with reference to figure 1.Fig. 1 is the integrally-built schematic diagram of tape deck of present embodiment.
In the tape deck of present embodiment, guide rod 1 and secondary guiding element 2 are set up between left plate 3 and right plate, by not shown bearing and secondary guiding element receiving portion 11, remained on by balladeur train 5 on guide rod 1 and secondary guiding element 2, balladeur train 5 can be slided on main scanning direction.Carry the record head 21,22 spraying black (K) ink droplet in this balladeur train 5 and spray the record head 23,24,25 of yellow (Y), redness (M) and cyan (C) ink droplet.
Be provided for balladeur train 5 main scanning mechanism of motion scan on main scanning direction comprise be positioned at main scanning direction one end main scan motor 8, by main scan motor 8 drives the drive pulley 7 of rotating, the follow-up pulley 15 being positioned at the main scanning direction other end and set up with drive pulley 7 and follow-up pulley 15 and carry out the Timing Belt 9 that rotates.Follow-up pulley 15 is subject to the tension force in direction that not shown tension spring applies towards leaving drive pulley 7 to it.A part in Timing Belt 9 is maintained at the band maintaining part 10 being arranged in balladeur train 5 back side, for drawing balladeur train 5 on main scanning direction.Main scanning direction in addition along balladeur train 5 is also provided with coded slice 30, and reads coded slice 30 with the code sensor 31 that balladeur train 5 is arranged, and detects the position of balladeur train 5 on main scanning direction.In the imaging region in balladeur train 5 main scanning region, carry recording medium with not shown recording medium conveying mechanism along sub scanning direction intermittence.
Ink droplet checkout gear 40 is arranged between maintenance establishment 14 and not shown platen, comprising the nozzle blockage testing agency for detection record 21 ~ 25 nozzle blockage and the position deviation detection mechanism that departs from for the drop location that the alignment error of detection record 21 ~ 25 causes.
In maintenance establishment 14, keep by holder the cladding system covering record head 21 ~ 25 jet face, and keep this holder to shake with ring component.When balladeur train 5 moves along main scanning direction and encounters the joint portion in holder, holder is lifted, and is covered by cladding system on record head 21 ~ 25 jet face.And when balladeur train 5 moves to imaging region side, holder declines, cladding system leaves the jet face of record head 21 ~ 25.
In the tape deck of present embodiment, move balladeur train 5 along main scanning direction, carry recording medium along sub scanning direction intermittence, meanwhile, based on image information activation record head 21 ~ 25, spray ink droplet from record head 21 ~ 25, thus form desired image on a recording medium.
The controlling organization example > of < tape deck
The formation of one of the tape deck of present embodiment routine controlling organization is described below with reference to Fig. 2.Fig. 2 is the schematic diagram of a routine controlling organization of the tape deck of present embodiment.
The controlling organization of the tape deck of present embodiment comprises control part 100, storage part 101, main scanning driver 102, recording head driver 103 and LD driver 42 etc.
Control part 100 provides record data and drive control signal (pulse signal) to storage part 101 and each driver, controls tape deck on the whole.Control part 100 controls the driving of balladeur train 5 along main scanning direction via main scanning driver 102, and control the ink time for spraying of record head 21 ~ 25 via recording head driver 103, and then also control the luminous moment of each light-emitting component formed in light-emitting device array 300 via LD driver 42.
Storage part 101 preserves the information needed.Such as preserve the treatment step supervisor that control part 100 is carried out.
When starting record head 21 ~ 25 and spraying the detection action of ink droplet, control part 100 in present embodiment controls main scanning driver 102, balladeur train 5, recording head driver 103, record head 21 ~ 25, LD driver 42, light-emitting device array 300 etc., under the state that balladeur train 5 stops movement, spray ink droplet by the nozzle rows of record head 21 ~ 25, the PD output circuit 44 of ink droplet checkout gear 40 is obtained this ink droplet and outputs signal when the light launched by the light-emitting component in light-emitting device array 300.Control part 100 carrys out detection record 21 ~ 25 drop location of spraying according to the output signal that the PD output circuit 44 of ink droplet checkout gear 40 obtains.
The configuration example of < ink droplet checkout gear 40 and setting position >
Configuration example and the setting position of this ink droplet checkout gear 40 are described below with reference to Fig. 2 ~ Fig. 4.
As shown in Figure 3, the ink droplet checkout gear 40 of present embodiment is configured to connect the light-emitting component 300 of illuminating part one side and the photo detector 301 of light accepting part one side with optical axis 304.Structure shown in Fig. 3 is only a part for ink droplet checkout gear 40, and the ink droplet checkout gear 40 of present embodiment as shown in Figure 8, main scanning direction and sub scanning direction arranges the light-emitting component 300 shown in multipair Fig. 3 and photo detector 301.
As shown in Figure 3, the installation surface of the ink droplet checkout gear 40 of present embodiment is provided with exhausted bath box 50, the ink that this exhausted bath box 50 sprays for the nozzle rows reclaiming record head 21 ~ 25.As shown in Figure 4, because ink droplet checkout gear 40 is arranged between imaging region 16 and cladding system (22), for this reason, even if the ink droplet that the nozzle rows of record head 21 ~ 25 is sprayed between imaging region 16 and cladding system 22, also exhausted bath box 50 waste ink water can be used.
In the tape deck of present embodiment, the position in fixed imaging region 16 and the setting position of ink droplet checkout gear 40 and cladding system 22 in advance.For this reason, as shown in Figure 4, the distance L1 between the optical axis center of ink droplet checkout gear 40 and location base and the distance L2 between the optical axis center of ink droplet checkout gear 40 and imaging region end also becomes fixed value.So just, the nozzle rows of record head 21 ~ 25 can be moved to the optical axis center of ink droplet checkout gear 40.At this, the center of the record head 21 ~ 25 when the optical axis center of ink droplet checkout gear 40 refers to that the center of the optical axis 304 of the light beam that light-emitting component 300 is launched, record head center refer to that record head 21 ~ 25 is positioned at location base.
The ink droplet checkout gear 40 of present embodiment can adopt the diverging light detection mode shown in Fig. 5 or the transmitted light detection mode shown in Fig. 6 to form.Fig. 5 A and Fig. 5 B is side view and the top view of the ink droplet checkout gear 40 of diverging light detection mode respectively.Fig. 6 A and Fig. 6 B is side view and the top view of the ink droplet checkout gear 40 of transmitted light detection mode respectively.
In diverging light detection mode shown in Fig. 5, illuminating part one side is provided with LD driver 42 (Fig. 2), LD300, collimating mirror 203 and aperture 204.As shown in Figure 5 B, what LD300 launched disperses LD light by becoming directional light after collimating mirror 203, then on main scanning direction, becomes the certain LD light of width by aperture 204.On the other hand, PD301 and PD output circuit 44 (Fig. 2) is provided with light accepting part one side.As shown in Figure 5, PD301 is not positioned at the direct incoming position of LD light, but the ink droplet that sprays of the nozzle rows being arranged on record head 21 ~ 25 and LD light staggered time the incoming position of diverging light that occurs on.Like this, ink droplet and LD light staggered and there is diverging light time, the incident PD301 of this diverging light, makes generation current in PD301.The setting position of this PD301 is the incoming position of the diverging light determined by experiment etc.Thus, the diverging light detection mode ink droplet checkout gear 40 shown in Fig. 5, when the light income of photo detector 301 increases, just exports the output signal High representing and ink droplet detected, exports with this output signal representing and ink droplet detected.
And in the transmitted light detection mode shown in Fig. 6, illuminating part one side is provided with LD driver 42 (Fig. 2), LD300, collimating mirror 203 and aperture 204.As shown in Figure 6B, what LD300 launched disperses LD light by becoming directional light after collimating mirror 203, then on main scanning direction, becomes the certain LD light of width by aperture 204.On the other hand, PD301 and PD output circuit 44 (Fig. 2) is provided with light accepting part one side.As shown in Figure 6, PD301 is arranged on the direct incoming position of LD light.The ink droplet checkout gear 40 of this transmitted light detection mode be utilize shown in Fig. 7, ink droplet and LD light occur staggered after the light income of PD301 there is the phenomenon that decays.In the figure 7, ink droplet a, e do not interlock with LD light, and the light income of PD301 is not decayed for this reason.To this, ink droplet b, c, d and LD light occur staggered, and therefore the light income of PD301 is decayed.And as shown in Figure 7, the optical axis center of ink droplet and LD light is more staggered, and the light income of PD301 is decayed more.Adopt in the ink droplet checkout gear 40 of transmitted light detection mode, PD output circuit 44 judges based on the light income (Vt) of PD301, when the light income (Vt) of PD301 reach setting (h) below time, export the output signal Low representing and ink droplet detected.Like this, the transmitted light detection mode ink droplet checkout gear 40 shown in Fig. 6, when decay occurs the light income of photo detector 301, just exports the output signal Low representing and ink droplet detected, exports with this output signal representing and ink droplet detected.
The detailed configuration example > of < ink droplet checkout gear 40
The detailed configuration example of the ink droplet checkout gear 40 of present embodiment is described below with reference to Fig. 8.Fig. 8 is the top view of the ink droplet checkout gear 40 of present embodiment.Be described for transmitted light detection mode in the following description.
The ink droplet checkout gear 40 of present embodiment is configured to comprise: light-emitting device array 300, wherein possesses multiple light-emitting component, the main scanning direction (X-direction) of parallel light in the nozzle face of record head 21 ~ 25 that this light-emitting component is launched or sub scanning direction (Y direction); Not shown collimating mirror, is formed as directional light for the light launched by light-emitting device array 300; Convergent mirror, for assembling the light that light-emitting device array 300 is launched, makes the imaging on photodetector array 301 of this light; And photodetector array 301, wherein possess multiple photo detector, this photo detector is for accepting the light of light-emitting device array 300 transmitting and converting signal of telecommunication output to.
Light-emitting device array 300 and photodetector array 301 are arranged in pairs in main scanning direction (X-direction) and sub scanning direction (Y direction) respectively, the light-emitting device array 300X in X-direction and photodetector array 301Y to the arranging with arbitrary interval in vertical direction (Z-direction) of the light-emitting device array 300X in Y direction and photodetector array 301Y.In present embodiment, by the light-emitting device array 300X in X-direction and photodetector array 301Y to being arranged near record head 21 ~ 25, and by the light-emitting device array 300X in Y direction and photodetector array 301Y to being arranged on away from record head 21 ~ 25.For this reason, the light-emitting device array 300X in the nozzle face of record head 21 ~ 25 and X-direction and photodetector array 301Y between distance be less than light-emitting device array 300X in the nozzle face of record head 21 ~ 25 and Y direction and photodetector array 301Y between distance.
The each light-emitting component forming light-emitting device array 300 is paired with each photo detector forming photodetector array 301, connect with optical axis 304, when overlooking from top, the optical axis of X-direction and the optical axis of Y direction form array configuration, according to the output signal of photodetector array 301, carry out the change of detection record 21 ~ 25 ink droplet sprayed 303 through output light during optical axis, thus detect the position of ink droplet 303.In the present embodiment, as an example, the light-emitting component LEDX1 ~ LEDXn of the light-emitting device array 300X of N number of formation X-direction, the light-emitting component PDX1 ~ PDXn of photodetector array 301X, the light-emitting component LEDY1 ~ LEDYn of the light-emitting device array 300Y of N number of formation Y direction of N number of formation X-direction and the photo detector PDY1 ~ PDYn of the photodetector array 301Y of N number of formation Y direction are set.
< record head 21 ~ 25 does not have the perfect condition > of assembly error
The perfect condition of assembly error is not had below with reference to Fig. 9 declare record head 21 ~ 25.Fig. 9 A be record head 21 ~ 25 do not have assembly error ideally detect ink droplet 303 time top view, Fig. 9 B is side view.
As shown in Figure 9 A, the light emitting and receiving component that the light-emitting component forming light-emitting device array 300 and the photo detector forming photodetector array 301 form is to being connected with optical axis 304 respectively, and be configured to matrix-like, when light beam through the optical axis 304 of X-direction of ink droplet 303, the positional information of ink droplet 303 in X-axis and temporal information can be obtained.
About the positional information of ink droplet 303 in X-axis, as shown in Figure 9 A, the photo detector forming photodetector array 301X detect ink droplet 303 through be provided with coordinate X-direction optical axis 304 on light beam, detect that the element number of ink droplet judges the positional information of ink droplet 303 in X-axis according to this.
Such as, as illustrated in figures 9a and 9b, ink droplet 303 through LEDX3-PDX3 and LEDX4-PDX4 light emitting and receiving component to light beam on respective optical axis 304 time, judge that the positional information of ink droplet 303 in X-axis is X3 and X4, and be saved in storage part 101.Figure 10 shows the process of the output signal that photodetector array 301 obtains.As shown in Figure 10 A, the analog output signal obtained from photodetector array is amplified by amplifier, when the analog output signal after amplifying exceedes prescribed threshold, as shown in Figure 10 B, as digital output signal.
About the temporal information of ink droplet 303 in X-axis, the injection signal spraying ink droplet 303 can be started according to expression record head 21 ~ 25, start to spray the moment (t0) of ink droplet 303 for benchmark with record head 21 ~ 25, photodetector array 301X is detected this ink droplet 303 was saved in storage part 101 as temporal information through the time (tx) of the light beam on the optical axis 304 of X-direction.
Then, with above-mentioned X-direction same procedure, obtain ink droplet 303 through the positional information in the Y-axis direction of this ink droplet 303 during light beam on the optical axis 304 of Y direction and temporal information.
As shown in Figure 9 A, when ink droplet 303 through be provided with coordinate Y direction optical axis 304 on light beam time, form photodetector array 301Y and this ink droplet 303 detected, by judging that this detects that the element number of the photo detector of ink droplet obtains the positional information of ink droplet in Y-axis.
Such as, as shown in fig. 9 a and fig. 9b, ink droplet 303 through LEDY2-PDY2 light emitting and receiving component to and the right optical axis 304 of LEDY3-PDY3 light emitting and receiving component on light beam time, judge that the Y-axis coordinate of now ink droplet 303 is Y2 and Y3, and this value is saved in storage part 101 as the positional information of ink droplet in Y-axis.
About the temporal information of ink droplet 303 in Y-axis, start to spray the moment (t0) of ink droplet 303 for benchmark with record head 21 ~ 25, photodetector array 301Y is detected this ink droplet 303 was saved in storage part 101 as temporal information through the time (ty) of the light beam on the optical axis 304 of Y direction.
As mentioned above, in the ink droplet checkout gear 40 of present embodiment, the light-emitting component of light-emitting device array 300 and the photo detector of photodetector array 301 form light emitting and receiving component pair, the right optical axis 304 of this light emitting and receiving component is set to the square formation of main scanning direction (X-direction) and sub scanning direction (Y direction), for obtaining ink droplet 303 in X-direction and the positional information of Y direction and the temporal information of X-direction and Y direction.
Figure 11 is an example is not having the positional information of the ink droplet 303 ideally obtained and the temporal information of occurrence record 21 ~ 25 alignment error.Positional information (the x3 of ink droplet 303 in X-axis that Figure 11 display obtains based on the output information that the photodetector array 301X in X-axis obtains, and temporal information (tx) x4), and the positional information (y2, y3) of the ink droplet 303 to obtain based on the output information that the photodetector array 301Y in Y-axis obtains in Y-axis and temporal information (ty).The positional information of this ink droplet 303 and temporal information are stored in storage part 101.
The state > of < occurrence record 21 ~ 25 alignment error
Be described for state during occurrence record 21 ~ 25 alignment error below with reference to Figure 12.Figure 12 A is top view when ink droplet 303 being detected under the state of occurrence record 21 ~ 25 alignment error, and Figure 12 B is side view now.
Identical with Fig. 9 A, when ink droplet 303 is through light beam on the optical axis 304 of X-direction, obtain the positional information of ink droplet 303 in X-axis and temporal information.
As illustrated in fig. 12, when ink droplet 303 through be provided with coordinate X-direction optical axis 304 on light beam time, form photodetector array 301X and this ink droplet 303 detected, by judging that this detects that the element number of the photo detector of ink droplet obtains the positional information of ink droplet in X-axis.
Such as, as illustrated in figs. 12 a and 12b, owing to there occurs record head 21 ~ 25 alignment error, ink droplet 303 through LEDX2-PDX2 light emitting and receiving component to and the right optical axis 304 of LEDX3-PDX3 light emitting and receiving component on light beam time, judge that the X-axis coordinate of now ink droplet 303 is X2 and X3, and this value is saved in storage part 101 as the positional information of ink droplet in X-axis.
About the temporal information of ink droplet 303 in X-axis, can record head 21 ~ 25 moment (t0) of starting to spray ink droplet 303 be benchmark, photodetector array 301X be detected this ink droplet 303 was saved in storage part 101 as temporal information through the time (tx1 ') of the light beam on the optical axis 304 of X-direction.
Then, with above-mentioned X-direction same procedure, obtain ink droplet 303 through the positional information in the Y-axis direction of this ink droplet 303 during light beam on the optical axis 304 of Y direction and temporal information.
As illustrated in fig. 12, when ink droplet 303 through be provided with coordinate Y direction optical axis 304 on light beam time, form photodetector array 301Y and this ink droplet 303 detected, by judging that this detects that the element number of the photo detector of ink droplet obtains the positional information of ink droplet in Y-axis.
Such as, as illustrated in figs. 12 a and 12b, ink droplet 303 through LEDY1-PDY1 light emitting and receiving component to and the right optical axis 304 of LEDY2-PDY2 light emitting and receiving component on light beam time, judge that the Y-axis coordinate of now ink droplet 303 is Y1 and Y2, and this value is saved in storage part 101 as the positional information of ink droplet in Y-axis.
About the temporal information of ink droplet 303 in Y-axis, start to spray the moment (t0) of ink droplet 303 for benchmark with record head 21 ~ 25, photodetector array 301Y is detected this ink droplet 303 was saved in storage part 101 as temporal information through the time (ty1 ') of the light beam on the optical axis 304 of Y direction.
As mentioned above, in the ink droplet checkout gear 40 of present embodiment, the light-emitting component of light-emitting device array 300 and the photo detector of photodetector array 301 form light emitting and receiving component pair, the right optical axis 304 of this light emitting and receiving component is set to the square formation of main scanning direction (X-direction) and sub scanning direction (Y direction), for obtaining ink droplet 303 in X-direction and the positional information of Y direction and the temporal information of X-direction and Y direction.
Figure 13 is positional information and the temporal information of the ink droplet 303 that an example obtains under the state of occurrence record 21 ~ 25 alignment error.Positional information (the x2 of ink droplet 303 in X-axis that Figure 13 display obtains based on the output information that the photodetector array 301X in X-axis obtains, and temporal information (tx1 ') x3), and the positional information (y1, y2) of the ink droplet 303 to obtain based on the output information that the photodetector array 301Y in Y-axis obtains in Y-axis and temporal information (ty1 ').The positional information of this ink droplet 303 and temporal information are stored in storage part 101.
The process action case > of < tape deck
The process action of the tape deck of one routine present embodiment is described below with reference to Figure 14.Before beginning the process, first the positional information (positional information such as shown in Figure 11) of the ink droplet 303 ideally obtained when not having the record head 21 ~ 25 ideally of alignment error to spray ink droplet 303 is kept in storage part 101.
When determining positional information in X-axis of ink droplet 303 ideally, need the position of the light-emitting device array 300X of regulation X-direction.The count value of available code sensor 31 comes the position of the light-emitting device array 300X of regulation X-direction.Such as, in fig .15, the position of regulation LEDX1 is come with encoder to count value En.In addition, when determining positional information in Y-axis of ink droplet 303 ideally, the position of the light-emitting device array 300Y of regulation Y direction is needed.Tape deck, when product turnout, comes the position of the light-emitting device array 300Y of regulation Y direction according to the position changing method light and case array 300Y when light-emitting device array 300Y is installed in tape deck.The positional information of prespecified ideally ink droplet 303 according to the method described above, and be saved in storage part 101.
About the position deviation detection of ink droplet 303, first, record head 21 is moved to the optical axis center position (S1) of ink droplet checkout gear 40.Now, such as shown in figure 15, moving recording head 21, make the nozzle rows 401a of side in record head 21 be positioned at light emitting and receiving component centering connect and compose light-emitting device array 300 light-emitting component and form photodetector array 301 photo detector many optical axises on beam center (being n/2 during n root light beam).
Secondly, the first jet (N=1) being arranged in the nozzle rows 401a of record head 21 first row (M=1) sprays ink droplet 303 (S2).
Then, the output signal exported based on the photodetector array 301X being positioned at X-direction obtains the positional information of ink droplet 303 in X-axis, and this positional information is saved in (S3) in storage part 101.
Then, the output signal exported based on the photodetector array 301Y being positioned at Y direction obtains the positional information of ink droplet 303 in Y-axis, and this positional information is saved in (S4) in storage part 101.By the process of S3 and S4, obtain the positional information (positional information such as shown in Figure 13) of the ink droplet 303 of record head 21 actual ejection and be saved in storage unit 101.
Then, judge whether all nozzles being arranged in the nozzle rows 401a of record head 21 first row all jetted ink droplet 303 (S5), if also there is the nozzle (S5's is no) not terminating ink droplet 303 and spray, then carry out next nozzle (N=N+1) and spray ink droplet 303 (getting back to S2 from S6), obtain the X-axis of this ink droplet 303 and the positional information of Y-axis, and this positional information is saved in (S3, S4) in storage part 101.
If all nozzles in the nozzle rows 401a of record head 21 first row jetted ink droplet 303 (S5 is) all, then judge whether that nozzle rows all in record head 21 jetted ink droplet 303 (S7) all, if also there is the nozzle rows (S7's is no) of not spraying, then move to next column nozzle rows 401b (M=M+1) (S8), carry out the process of above-mentioned steps S2 ~ S5.When having the structure of Figure 15, in record head 21, be provided with two row nozzle rows 401a and 401b, for this reason, to the process of two row nozzle rows 401a and 401b steps performed S2 ~ S5.When Figure 15, nozzle rows 401a all on record head 21 and 401b is all on the optical axis 304 in a formation, for this reason need not moving recording head 21, just to the process of all nozzle rows 401a and 401b steps performed S2 ~ S5, the positional information of ink droplet 303 can be obtained.
When all nozzle rows of record head 21 jetted ink droplet 303 (S7 is) all, then contrast the actual position information that obtains in step S3 and S4 of ink droplet 303 and positional information (S9) ideally, judge whether ink droplet 303 position occurs and departs from (S10).
If the positional information obtained actual is consistent with positional information ideally, judges that position does not occur departs from (S10's is no), then end process.
The positional information obtained if actual and positional information ideally inconsistent, then judge that position occurs departs from (S10 is), then calculate the difference of the actual positional information that obtains and positional information ideally, and carry out drop location runout compensation according to this difference, make the positional information consistent with positional information ideally (S11) of actual ink droplet 303.
Such as, the positional information in the X-axis of the ink droplet 303 of first nozzle, is (x3, x4) in the ideal situation, and reality is then (x2, x3).Now, because the positional information of both sides is inconsistent, therefore judge that position occurs on main scanning direction departs from.Equally, by comparing the positional information in Y-axis, also can to judge on sub scanning direction whether ink droplet 303 position occurs and departs from.
Calculate the difference between ink droplet 303 positional information in the ideal situation and the positional information of reality, according to this difference, compensate the conveying capacity of recording medium on the time for spraying of ink droplet 303 or sub scanning direction, thus the position compensating ink droplet 303 is departed from, the drop location that record head 21 is sprayed and ink droplet 303 position consistency ideally.About drop location runout compensation, such as, can utilize known method disclosed in JP 2000-233495 publication.
For record head 21, above-mentioned process action is described above, in other record head 22 ~ 25, carries out identical process.Thus, just can compensate each record head 21 ~ 25, the physical location of ink droplet 303 is consistent with position ideally.In addition, above-mentioned process action carries out when all nozzles of a formation nozzle rows all spray ink droplet 303, but this process action also can be used for not needing all nozzles to spray ink droplet, and only require that plural nozzle sprays the situation of ink droplet.Now preferably at least two nozzles of first nozzle and last nozzle (such as the 192nd nozzle) spray ink droplet 303.
The effect > of the tape deck of < present embodiment
As mentioned above, the tape deck of present embodiment is when the ink droplet 303 that record head 21 ~ 25 sprays is positioned at the optical axis 304 of light-emitting device array 300X of main scanning direction through a part, based on the signal that the photodetector array 301X be positioned on main scanning direction exports, detect the positional information of ink droplet 303 on main scanning direction, and when ink droplet 303 is positioned at the optical axis 304 of light-emitting device array 300Y of sub scanning direction through a part, based on the signal that the photodetector array 301Y be positioned on sub scanning direction exports, detect the positional information of ink droplet 303 on sub scanning direction.Then contrast the actual position information of ink droplet 303 on main scanning direction and sub scanning direction and set positional information ideally, judge whether ink droplet 303 position occurs and departs from, and when judging that there occurs drop location departs from, calculate the difference of ink droplet 303 on main scanning direction and sub scanning direction between actual position information and positional information ideally, and depart from according to the position that this difference compensates ink droplet 303, the position of the ink droplet 303 of record head 21 ~ 25 actual ejection is adjusted to position ideally, position in order to compensate ink droplet 303 is departed from.
" the second embodiment "
Second embodiment is below described.
In the tape deck of the first embodiment, the light-emitting device array 300X of paired X-direction and the light-emitting device array 300H of photodetector array 301X and Y direction and photodetector array 301Y is arranged with arbitrary interval in vertical direction (z-axis direction), for this reason, the light-emitting device array 300 of both sides is under luminance, as shown in figure 14, record head 21 ~ 25 sprays ink droplet 303 (S2), the positional information of ink droplet 303 in X-axis and Y-axis (S3 and S4).
To this, in this second embodiment, the light-emitting device array 300X of paired X-direction and the light-emitting device array 300H of photodetector array 301X and Y direction and photodetector array 301Y is arranged on same position in vertical direction (z-axis direction).Now, will interfere when the light-emitting device array 300 of both sides is luminous.For this reason, the detection controlling the positional information of ink droplet 303 in present embodiment is only carried out under folk prescription light-emitting device array 300 luminance.Be specially, as shown in figure 16, behind optical axis center position record head 21 being moved to ink droplet checkout gear 40 (S1), first the light-emitting device array 30X be located in X-direction starts luminescence, now only has each light-emitting component luminescence (S20 ') forming light-emitting device array 300X.Then, the first jet (N=1) being arranged in the nozzle rows 401a of record head 21 first row (M=1) sprays ink droplet 303 (S21 '), then, the output signal exported based on the photodetector array 301X being positioned at X-direction obtains the positional information of ink droplet 303 in X-axis, and this positional information to be saved in storage part 101 (S22 ').
Then, stop the luminescence of the light-emitting device array 300X in X-direction, make the light-emitting device array 300Y in Y direction start luminescence, now only have each light-emitting component luminescence (S30 ') forming light-emitting device array 300X.Then, the first jet (N=1) being arranged in the nozzle rows 401a of record head 21 first row (M=1) sprays ink droplet 303 (S31 '), then, the output signal exported based on the photodetector array 301Y being positioned at Y direction obtains the positional information of ink droplet 303 in Y-axis, and this positional information to be saved in storage part 101 (S32 ').After this process is identical with the first embodiment.
The effect > of the tape deck of < present embodiment
As mentioned above, the light emitting and receiving component that the light-emitting device array 300Y of light emitting and receiving component that the light-emitting device array 300X of X-direction and photodetector array 301X are formed pair and Y direction and photodetector array 301Y is formed, to when aluminium Nogata is positioned at same position to (Z-direction), detects the positional information of ink droplet 303 wherein under the state of control light-emitting device array 300 luminescence one of.So just, the positional information in the X-axis of ink droplet 300 and Y-axis can be obtained.
" the 3rd embodiment "
Below the 3rd embodiment is described.
The position signalling of ink droplet 303 in Y-axis of the output signal correspondence that the photodetector array 301Y of position signalling in X-axis of the ink droplet 303 of the output signal correspondence obtained according to the photodetector array 301X that is positioned at main scanning direction in the above embodiment and sub scanning direction obtains, compensates the position deviation of the ink droplet 303 of record head 21 ~ 25 actual ejection.
To this, in the third embodiment, to obtain spray ink droplet 303 from record head 21 ~ 25 after, at least one temporal information in the photodetector array 301X received respectively on main scanning direction and the temporal information receiving output information that the photodetector array 301Y on sub scanning direction exports, and according to this temporal information obtained, the position compensating the ink droplet 303 of record head 21 ~ 25 actual ejection is departed from, to improve the compensation precision that ink droplet 303 position is departed from.The process action of one example the 3rd embodiment is described below with reference to Figure 17 ~ Figure 19.
In the tape deck of present embodiment, in advance the positional information (positional information such as shown in Figure 11) of the ink droplet 303 ideally obtained when not having the record head 21 ~ 25 ideally of alignment error to spray ink droplet 303 is kept in storage part 101.
The temporal information Tx of ink droplet 303 in X-axis is ideally the moment (t0) not having the record head 21 ~ 25 of the perfect condition of alignment error to start to spray ink droplet 303 is benchmark, when photodetector array 301X detects that this ink droplet 303 is through time during light beam on the optical axis 304X in X-axis, can calculate by following calculating formula.
Tx＝L/V
At this, as shown in figure 17, be the distance between the optical axis 304X between the light-emitting device array 300X in the nozzle face of record head 21 ~ 25 and X-direction and photodetector array 301X, V is drop speeds to L.」
The temporal information Ty of ink droplet 303 in Y-axis is ideally the moment (t0) not having the record head 21 ~ 25 of the perfect condition of alignment error to start to spray ink droplet 303 is benchmark, when photodetector array 301Y detects that this ink droplet 303 is through time during light beam on the optical axis 304Y in Y-axis, can calculate by following calculating formula.
Ty＝(L+I)/V
At this, as shown in figure 17, be the distance between the optical axis 304Y between the light-emitting device array 300Y in the nozzle face of record head 21 ~ 25 and Y direction and photodetector array 301Y, V is drop speeds to L+I.I is the distance between the optical axis 304Y between the optical axis 304X between light-emitting device array 300X in X-direction and photodetector array 301X and the light-emitting device array 300Y in Y direction and photodetector array 301Y.
About the ink droplet 303 in present embodiment position deviation detection as shown in figure 18, first, record head 21 is moved to the optical axis center position (A1) of ink droplet checkout gear 40.
Secondly, the first jet (N=1) being arranged in the nozzle rows 401a of record head 21 first row (M=1) sprays ink droplet 303 (A2).
Then, the output signal exported based on the photodetector array 301X being positioned at X-direction obtains the positional information of ink droplet 303 in X-axis and temporal information, and this positional information and temporal information are saved in (A3) in storage part 101.
Then, the output signal exported based on the photodetector array 301Y being positioned at Y direction obtains the positional information of ink droplet 303 in Y-axis and temporal information, and this positional information and temporal information are saved in (A4) in storage part 101.By the process of A3 and A4, obtain the positional information (positional information such as shown in Figure 13) of the ink droplet 303 of record head 21 actual ejection and temporal information (temporal information such as shown in Figure 13) and be saved in storage unit 101.
Then, judge whether all nozzles being arranged in the nozzle rows 401a of record head 21 first row all jetted ink droplet 303 (A5), if also there is the nozzle (A5's is no) not terminating ink droplet 303 and spray, then carry out next nozzle (N=N+1) and spray ink droplet 303 (getting back to S2 from S6), obtain the X-axis of this ink droplet 303 and the positional information of Y-axis and temporal information, and this positional information and temporal information are saved in (A3, A4) in storage part 101.
If all nozzles in the nozzle rows 401a of record head 21 first row jetted ink droplet 303 (A5 is) all, then judge whether that nozzle rows all in record head 21 jetted ink droplet 303 (A7) all, if also there is the nozzle rows (S7's is no) of not spraying, then move to next column nozzle rows 401b (M=M+1) (A8), carry out the process of above-mentioned steps A2 ~ A5.When having the structure of Figure 17, in record head 21, be provided with two row nozzle rows 401a and 401b, for this reason, to the process of two row nozzle rows 401a and 401b steps performed S2 ~ S5.When Figure 17, nozzle rows 401a all on record head 21 and 401b is all on the optical axis 304 in a formation, for this reason need not moving recording head 21, just to the process of all nozzle rows 401a and 401b steps performed S2 ~ S5, positional information and the temporal information of ink droplet 303 can be obtained.
When all nozzle rows of record head 21 jetted ink droplet 303 (A7 is) all, then contrast temporal information and the temporal information (A9) ideally of the actual position information that obtains in steps A 3 and A4 of ink droplet 303 and positional information ideally and reality, judge whether ink droplet 303 position occurs and departs from (A10).
If the positional information obtained actual is consistent with positional information ideally and temporal information with temporal information, judges that position does not occur departs from (A10's is no), then end process.
The positional information obtained if actual and positional information ideally or the actual temporal information that obtains and temporal information ideally inconsistent, then judge that position occurs departs from (A10 is), then calculate the actual positional information that obtains and the difference of positional information ideally and the tilt quantity of record head 21, and carry out drop location runout compensation according to the difference obtained and tilt quantity, make the positional information consistent with positional information ideally (A11) of actual ink droplet 303.
Such as, the temporal information of ink droplet in X-axis (Tx) and the temporal information of the actual ink droplet obtained in X-axis under more satisfactory state (Tx1 ').If Tx ≠ Tx1 ', then as shown in figure 19, judge that record head 21, in XY plane, XZ plane and YZ plane, alignment error occurs.Except comparing the temporal information in X-axis, the temporal information in Y-axis can also be compared.Such as, the temporal information of ink droplet in Y-axis (Ty) and the temporal information of the actual ink droplet obtained in Y-axis under more satisfactory state (Ty1 ').If Ty ≠ Ty1 ', then as shown in figure 19, can judge that record head 21, in XY plane, XZ plane and YZ plane, alignment error occurs equally.
The angle of inclination in XY plane is set to be η as the angle of inclination in φ, YZ plane is angle of inclination in θ, ZX plane in record head 21 shown in Figure 19.Record head 21 shown in Figure 19 does not have the record head in ZX plane to tilt, but run-off the straight angle is the inclination of θ in ZY plane.
If the distance between two ink droplets being in perfect condition is a, the actual range between two ink droplets is a ', then the tilt quantity θ of the record head 21 in ZY plane can calculate with following formula.
θ＝cos
-1(a’/a)
At this, the distance between the positional information of the ink droplet that the distance a between two ink droplets ideally such as can spray according to the nozzle of first ideally and the positional information of the 192nd ink droplet that nozzle sprays is obtained.Distance between the actual position information of the ink droplet that the actual range a ' between two ink droplets can spray according to first nozzle and the actual position information of the 192nd ink droplet that nozzle sprays is obtained.
The ink droplet positional offset amount in the X-axis direction of first nozzle is the difference between perfect condition positional information in X-axis of the ink droplet of first nozzle and actual position information.Positional offset amount in Y direction is, the difference between perfect condition positional information in Y-axis of the ink droplet of first nozzle and actual position information and the total of Vsin θ ty1 '.At this, V is drop speeds, and θ is the tilt quantity of record head 21, the temporal information obtained when ty1 ' is first nozzle injection ink droplet 303.
The ink droplet of the 192nd nozzle in the positional offset amount of X-direction be the ink droplet of positional information in the X-axis of the 192nd ink droplet that nozzle sprays in the ideal situation and actual ejection X-axis on positional information between difference.The positional offset amount of Y direction be the ink droplet of positional information in the Y-axis of the 192nd ink droplet that nozzle sprays in the ideal situation and actual ejection X-axis on positional information between difference and Vsin θ ty192 ' sum.At this, the temporal information obtained when ty192 ' is the ink droplet 303 of the 192nd nozzle injection.The position runout compensation of present embodiment can be used for carrying out with the positional information of the positional information of first ink droplet and the 192nd ink droplet bias that the XY plane of linear compensation occurs.Position runout compensation about ink droplet 303 such as can utilize known method disclosed in TOHKEMY 2010-30161 publication.
The effect > of the tape deck of < present embodiment
As mentioned above, one of them of the temporal information that the tape deck of present embodiment at least obtains the signal location exported to the photodetector array 301X obtained on main scanning direction from record head 21 ~ 25 sprays ink droplet 303 and the temporal information of signal location that exports to the photodetector array 301Y obtained on sub scanning direction from record head 21 ~ 25 sprays ink droplet 303, the temporal information of the ink droplet utilizing this to obtain and the positional information of ink droplet, the position compensating the ink droplet 303 that 21st ~ 25 century of record head spray is departed from.This compensation can improve the position runout compensation precision of ink droplet 303 further.Process action case shown in Figure 18 described herein is the improvement of the process action case shown in Figure 14 of the first embodiment, and in addition, the process action of present embodiment also can be undertaken by the action case shown in Figure 16 of the second embodiment.
Above-mentioned embodiment is the preferred embodiment of the present invention, but the present invention is not limited to above-mentioned embodiment, but can carry out various improvement embodiment without departing from the spirit and scope of the present invention.
Such as, in the above-described embodiment, control part 100 carries out a series of process actions shown in Figure 14,16,18.But a series of process actions shown in Figure 14,16,18 need not only control with a control part 100, also can control with multiple control part.
The control action forming each portion of tape deck of above-mentioned present embodiment can be carried out by hardware, software or both compounds.
When carrying out process with software, carry out this program in the memory that can be installed in the computer of built-in specialized hardware by the program that have recorded process sequential.Or program can also to be installed in the common computer can carrying out various process and to carry out this program.
Such as, program is saved in advance in the hard disc or ROM (read-only storage) of recording medium.Or temporarily or be permanently stored in moving recording media.This moving recording media namely provide with so-called package software.Moving recording style is if any floppy disc, CD-ROM, MO dish, DVD, disk, semiconductor memory etc.
Program is installed in computer by above-mentioned moving recording media.Can also be wirelessly transmitted to computer from download site in addition.And then can also be sent in computer by internet oil line.
The process action that the tape deck of present embodiment not only can illustrate according to above-mentioned embodiment to do timing process, but also can be configured to according to the disposal ability of the device carrying out process or the implementation or carry out separately of coming as required walk abreast.
The present invention is industrial can be used for ink-jetting style tape deck.
Claims (4)
1. a tape deck, is characterized in that, comprising:
First light-emitting device array, wherein possesses multiple light-emitting component, and the optical axis of each light-emitting component is parallel to main scanning direction;
First photodetector array, wherein possesses the multiple photo detectors corresponding with the light-emitting component in described first light-emitting device array;
Second light-emitting device array, wherein possesses multiple light-emitting component, and the optical axis of each light-emitting component is parallel to sub scanning direction;
Second photodetector array, wherein possesses the multiple photo detectors corresponding with the light-emitting component in described second light-emitting device array;
Injection apparatus, sprays the ink droplet of regulation with record head;
Position information detection device, for detecting the positional information of described ink droplet at sub scanning direction and the positional information of main scanning direction, the positional information of this sub scanning direction corresponds to described ink droplet the first output signal that described in when the optical axis by described first light-emitting device array of a part, the first photodetector array obtains, and the positional information of this main scanning direction corresponds to described ink droplet the second output signal that described in when the optical axis by described second light-emitting device array of a part, the second photodetector array obtains;
Location information storage device, for being kept at the ideally described sub scanning direction of ink droplet and the positional information of main scanning direction that do not have occurrence record head alignment error;
Position deviation detection device, for the ink droplet ideally preserved in the positional information of actual for the described position information detection device described ink droplet detected on sub scanning direction and main scanning direction and described location information storage device is compared in the positional information of sub scanning direction and main scanning direction, if the positional information of both sides is consistent, then judge that the ink droplet of described record head actual ejection position does not occur and departs from, if and the positional information of both sides is inconsistent, then judge that this ink droplet position occurs and departs from;
Temporal information checkout gear, to spray described ink droplet to the very first time information obtained described first output signal and spray at least one temporal information in described ink droplet to the second temporal information obtained described second output signal from described record head for detecting from described record head; And,
Temporal information storage device, for be kept at do not occur described record head alignment error ideally by the temporal information ideally that described temporal information checkout gear detects, the temporal information ideally of preserving in the actual temporal information that detects of described temporal information checkout gear and described temporal information storage device is inconsistent, even if the described positional information of both sides is consistent, described position deviation detection device also judges that described ink droplet position occurs and departs from.
2. tape deck according to claim 1, it is characterized in that, when the height of setting position in the short transverse of described record head of the setting position of described first light-emitting device array and described first photodetector array and described second light-emitting device array and described second photodetector array is different, the both sides of described first light-emitting device array and described second light-emitting device array simultaneously under luminance, described record head sprays the ink droplet of regulation.
3. tape deck according to claim 1, it is characterized in that, when described first light-emitting device array is identical with the height of setting position in the short transverse of described record head of described second photodetector array with described second light-emitting device array with the setting position of described first photodetector array, under the state of first side's luminescence in described first light-emitting device array and described second light-emitting device array, described record head sprays the ink droplet of regulation, then, under the state of the opposing party's luminescence, described record head sprays the ink droplet of regulation.
4., for a control method for tape deck, this tape deck is tape deck as claimed in claim 1, and the feature of described control method is, comprising:
Injecting step, sprays the ink droplet of regulation with record head;
Positional information detecting step, the second output signal that described in when the first output signal obtained based on the first photodetector array described in described ink droplet is when the optical axis by described first light-emitting device array of a part and described ink droplet are at the optical axis by described second light-emitting device array of a part, the second photodetector array obtains, detects and corresponds to this first output signal and this second positional information of described ink droplet outputed signal; And
Temporal information detecting step, detects and from described record head, to spray described ink droplet to the very first time information obtained described first output signal and spray at least one temporal information in described ink droplet to the second temporal information obtained described second output signal from described record head.
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| Application Number | Priority Date | Filing Date | Title |
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| JP2011026264A JP5664305B2 (en) | 2011-02-09 | 2011-02-09 | Recording apparatus and control method |
| JP2011-026264 | 2011-02-09 |
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| CN102632707A CN102632707A (en) | 2012-08-15 |
| CN102632707B true CN102632707B (en) | 2015-04-22 |
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| JP6278556B2 (en) * | 2014-01-06 | 2018-02-14 | 株式会社ミマキエンジニアリング | inkjet printer |
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| US6843548B2 (en) * | 2002-01-11 | 2005-01-18 | Konica Corporation | Ink-jet printer |
| JP2005083769A (en) * | 2003-09-04 | 2005-03-31 | Seiko Epson Corp | Method and device for observing droplet |
| JP2006110774A (en) * | 2004-10-13 | 2006-04-27 | Canon Inc | Method for measuring discharging characteristic of liquid discharging head and apparatus for measuring flying liquid droplet speed |
| CN101092078A (en) * | 2006-06-20 | 2007-12-26 | 佳能株式会社 | Inkjet recording apparatus and inkjet recording method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4186548B2 (en) * | 2002-08-09 | 2008-11-26 | コニカミノルタホールディングス株式会社 | Inkjet recording device |
| JP2005246695A (en) * | 2004-03-02 | 2005-09-15 | Fuji Xerox Co Ltd | Ink jet recorder |
| JP4673051B2 (en) * | 2004-12-14 | 2011-04-20 | キヤノン株式会社 | Ink jet recording apparatus and ejection state detection method |
| JP2009298012A (en) * | 2008-06-13 | 2009-12-24 | Konica Minolta Holdings Inc | Apparatus and method for inspecting discharge of liquid droplet, and image forming device |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6843548B2 (en) * | 2002-01-11 | 2005-01-18 | Konica Corporation | Ink-jet printer |
| JP2005083769A (en) * | 2003-09-04 | 2005-03-31 | Seiko Epson Corp | Method and device for observing droplet |
| JP2006110774A (en) * | 2004-10-13 | 2006-04-27 | Canon Inc | Method for measuring discharging characteristic of liquid discharging head and apparatus for measuring flying liquid droplet speed |
| CN101092078A (en) * | 2006-06-20 | 2007-12-26 | 佳能株式会社 | Inkjet recording apparatus and inkjet recording method |
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| JP5664305B2 (en) | 2015-02-04 |
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