CN1708090A - Surface illumination unit and transparent original reading apparatus - Google Patents
Surface illumination unit and transparent original reading apparatus Download PDFInfo
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- CN1708090A CN1708090A CN 200510078025 CN200510078025A CN1708090A CN 1708090 A CN1708090 A CN 1708090A CN 200510078025 CN200510078025 CN 200510078025 CN 200510078025 A CN200510078025 A CN 200510078025A CN 1708090 A CN1708090 A CN 1708090A
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Abstract
The invention provides an image reading apparatus that can read a plurality of images without troublesome operations by a user, in which a small-size light source with a small electric power consumption is used as an illumination light source used for reading an image of a transparent original. A surface illumination light source having a size large enough to illuminate one image among a plurality of images included in a transparent original is moved sequentially to positions at which the illumination light source can illuminate the respective images. Each image is read while the illumination light source is kept stationary at the position of the image. In addition, at the position of each image, the transparent original is pressed against an original table of the image reading apparatus.
Description
Technical field
The present invention relates to read the image read-out and the employed lighting device thereof of image information of the transparent original of photographic film etc.
Background technology
, record and narrate like that as opening the Japanese patent gazette spy in flat 1-101063 number, useful planar fixed light source shines the image read-out that transparent original reads its image in the past.With Figure 10 A, 10B this image read-out is described.
Figure 10 A is the sectional view of image read-out, and Figure 10 B is an oblique view.Configuration transparent original light source 127 on the manuscript table glass 121 of image read-out 120.Light guide plate 128 is equipped with bar-shaped fluorescent tube 129 in its end, and being configured to becomes level with respect to the manuscript table glass 121 of placing original copy.Light guide plate 128 is resinous light diffusing sheets, and it constitutes the face that makes from the light of fluorescent tube 129 incidents from original copy one side and similarly penetrates.
Manuscript table glass 121 is document boards of placing the transparent originals such as film of photo, and the transparent original that is placed on the manuscript table glass 121 is clipped and fixes by light guide plate 128 and manuscript table glass 121.CCD122 is the wire imaging apparatus, is the element that is used for image information is converted to electrical picture signal.Rod type lens array 123 is to be used for the element of the image of imaging transparent original optically to CCD122.
The formation of balladeur train 124 is to load CCD122 and rod type lens array 123, can move on sub scanning direction along guide rail 125,126.Use light guide plate 128 to illuminate whole of transparent original, read the image information of transparent original via rod type lens array 123 usefulness CCD122.And cross by balladeur train 124 is moved on sub scanning direction, read all images of transparent original.
In addition, as the Japanese patent gazette spy opened 2003-087514 number record, useful wire moved the light source irradiation transparent original, reads the image read-out of its image.With Figure 11 A, 11B this image read-out is described.136 is as photoelectric conversion device performance function among Figure 11 A, and the image information of scanning is converted to the imageing sensor of the CCD etc. of electric signal, is configured in the image read-out main body 130.The original copy that is provided as transparent original copy mounting table on apparatus main body 130 is placed glass 131,132 pairs of image scanning optical systems that are used as scanning means are placed on its lip-deep original copy P and scan, and on above-mentioned imageing sensor 136 image information are exposed.Configuration is equipped with the 3 biographies sensors of filter of red, green, blue in imageing sensor 136, the image on the original copy is carried out color decompose and read.Above-mentioned image scanning optical system 132 is made of the lamp unit 133 and the mirror unit 134 of parallel motion scan on original copy placement glass 131, the lens 135 that are fixedly installed in the apparatus main body 130.Catoptrical the 1st mirror M 1 of image of the original copy P face that lamp module 133 possesses the white light source L1 that illuminates original copy P, illuminate with light source L1 at mirror unit 134 1 lateral reflections.Mirror unit 134 is by the 2nd, the 3rd mirror M 2, the M3 that are returned towards imageing sensor 136 refractions by the image light of the 1st mirror M 1 reflection are constituted.And then, be used for reading on the Zone Full lamp unit 133 that optical path length kept certain 2 times speed motion scan with mirror unit 134 at image.Therefore the scanning optics of this formation is commonly called 2: 1 scanning opticss.And these unit drive sources (not shown) such as pulse motor as power, synchronously scan (subscan) with the read cycle of imageing sensor 136.The 137th, the transparent original of reading the lighting device of usefulness as transparent original is read and is used light source cell.L2 is the light source with respect to the light source L1 configured in parallel of main body, the 138th, be set at the locational translucent sheet with light diffusion effect relative with the manuscript table glass of main body.It is that fulcrum can open and close with the hinge on the rear end that is installed in image read-out 139 that transparent original reads with light source cell 137.
When the reading of transparent original, light source L2 is driven with translucent sheet 138 by drive source (not shown) and synchronously the scope that covers manuscript table glass 131 is scanned with the image scanning optical system 132 of main body abreast.This moment, the light source L1 of main body extinguished.Light from light source L2 is spread in translucent sheet 138, forms the such directional profile (Figure 11 B has amplified the D1 of Figure 11 A) of Figure 11 B on the original copy face.Wherein the position of reading from the image read-out main body is directed to imageing sensor 136 to the locational original copy of P that the light transmission on the optical axis of imageing sensor 136 is arranged on Figure 11 A.
In addition, manually as shown in Figure 12 the area source that illuminates the image 1 frame zone on the film is configured on the position of the image on the film of image read-out by the user, the image read-out that reads 1 two field picture that is illuminated is recorded in the Japanese patent gazette spy and opens in 2004-007547 number.Above-mentioned image read-out 140 is provided with the cassette 143 in the gap of width with transparent original 142 and length on document board 141, transparent original 142 is set in this gap, under the state that push with transparent original lighting unit 144 side from it, read by image fetching unit 145 scannings.
General film is that the film after the shooting through developing is cut to the shape with continuous a plurality of frames.When the reading of every end one frame, the position that the user must make transparent original lighting unit 144 move to another frame begins to read once more in aforesaid way.Along with the frame number increase of the film that reads, it is very loaded down with trivial details operation concerning the user that this number of times increases.
On the other hand, owing to the demand in market requires the maximization of read range of film and the high speed of reading speed.
For the image read-out that has used planar fixed light source,, need to increase the number and the led light source of lamp along with the maximization of irradiated area.These must cause the weight of light guide unit self, the increase that consumes electric power and cost to improve.And then because the length prolongation of lamp causes the increase of warm-up time.
In addition, the image read-out that has used wire to move light source is followed the high speed that reads, light source and imageing sensor synchronous move in need further high-precision drive unit.
In addition, the point-source of light for high state irradiation LED of uniformity etc. must be provided with many LED.Become the control complicated apparatus of high price owing to these reasons.
In addition, in the image read-out that has used the area source that illuminates film 1 frame, need per 1 frame all by user's manual configuration.
Summary of the invention
The present invention considers the problems referred to above and proposes that its purpose do not need to be high-precision parts and control, and suppresses to consume the peak value of electric power, and the image that carries out user's good operability reads.
In order to realize above-mentioned purpose, image read-out of the present invention composed as follows.
That is,
A kind of image read-out comprises:
Be used to place the light-passing board of original copy;
Be used to read the reading unit that is placed on the original copy on the above-mentioned light-passing board;
Be used to drive first mobile device that reading unit reads above-mentioned original copy;
Be used to illuminate the lighting unit of above-mentioned original copy; And
Be used to drive second mobile device of lighting unit, wherein
Above-mentioned original copy is the transmission original copy with many images,
Above-mentioned lighting unit has the planar emergent light face in the zone of the area size that illuminates an image that comprises above-mentioned transmission original copy,
Above-mentioned second mobile device reads in the process of an image of above-mentioned transmission original copy at above-mentioned reading unit, above-mentioned lighting unit is maintained on whole the position illuminating an above-mentioned image, after above-mentioned reading unit reads an image that sends original copy and finishes, above-mentioned lighting unit is moved to illuminate the position of whole of another image of above-mentioned transmission original copy.
In addition, a kind of lighting device illuminates the transmission original copy with many images on the light-passing board that is placed on image read-out from the face opposite with above-mentioned light-passing board, comprises:
Be used for illuminating the lighting unit of above-mentioned original copy; And
Be used for driving the mobile device of above-mentioned lighting unit, wherein
Above-mentioned lighting unit has the planar emergent light face in the zone of the area size that illuminates an image that comprises above-mentioned transmission original copy,
Above-mentioned second mobile device maintains above-mentioned lighting unit on whole the position illuminating an above-mentioned image in above-mentioned image read-out reads the process of an image of above-mentioned transmission original copy, after image that above-mentioned image read-out reads above-mentioned transmission original copy finishes, whole position of another image that above-mentioned lighting unit is moved to illuminate above-mentioned transmission original copy.
And then, a kind of method of controlling image read-out, the lighting unit that this image read-out apparatus is useful on the mobile device that moves along above-mentioned original platform illuminates the transparent original with many images that is placed on the original platform, and make reading unit scanning move and read across above-mentioned original platform, the method includes the steps of:
Whole an of image that makes lighting unit illuminate above-mentioned transparent original still to be had with the illuminated area that comprises an above-mentioned image-region, and with above-mentioned reading unit to its step that reads;
Control above-mentioned mobile device, above-mentioned lighting unit is moved to whole locational step of another image that illuminates in above-mentioned many images, wherein
Before the above-mentioned step that reads of stated number finishes, repeat above-mentioned step that reads and above-mentioned mobile step.
Description of drawings
Figure 1A, 1B are the figure of explanation embodiments of the invention 1.
Fig. 2 is the brief strabismus map of the back of the body lamp unit of embodiments of the invention 1.
Fig. 3 A, 3B are the figure of explanation embodiments of the invention 2.
Fig. 4 is the brief strabismus map of the LED back of the body lamp unit of embodiments of the invention 2.
Fig. 5 A, 5B are the figure of explanation embodiments of the invention 3.
Fig. 6 A, 6B are the figure of explanation embodiments of the invention 4.
Fig. 7 A, 7B are the figure that the sub scanning direction of the back of the body lamp balladeur train of explanation embodiments of the invention 4 moves.
Fig. 8 A, 8B are the figure that the upper limit of the back of the body lamp unit of explanation embodiments of the invention 4 moves formation.
Fig. 9 A, 9B, 9C, 9D are the figure that moves up and down formation that the sub scanning direction of the back of the body lamp balladeur train of explanation embodiments of the invention 5 moved and carried on the back the lamp unit.
Figure 10 A, 10B are the figure of the conventional art of explanation area source.
Figure 11 A, 11B are the figure that the explanation wire moves the conventional art of light source.
Figure 12 is the figure of the conventional art of explanation low profile light source.
Figure 13 A, 13B are the figure of explanation embodiments of the invention 6.
Figure 14 is the circuit block diagram of embodiments of the invention 6.
Figure 15 is the control flow chart of embodiments of the invention 6.
Figure 16 is the sequential chart regularly of lighting of expression LED.
Embodiment
(embodiment 1)
Figure 1A, 1B are the top figure and the side views of the image read-out of present embodiment.Shown in the top figure of Figure 1A, in image read-out 1, in order to read the transparent original of developer photographic film etc., and 50 transparent original unit A is set to pass through hinge 7 switches on manuscript table glass 6.In 50 transparent original unit A, back of the body lamp unit 52 is installed, carries on the back the back of the body lamp balladeur train 51 of lamp driving with axle 40 settings with substrate 60 via the transparent original unit.In addition, back of the body lamp balladeur train 51 also is connected with synchronous belt 42 with driver element 41 with the transparent original unit, while can use back of the body lamp unit 52 to illuminate transparent original film 30 (30-1～30-4) parallel mobile.
Fixedly the transparent original unit carries out communicating by letter via main body stube cable 44 with circuit substrate 43 with image read-out 1 on 50 transparent original unit A.The transparent original unit further carries out the transparent original unit via not shown stube cable with circuit substrate 43 and drives the control of using substrate 60 with driver element 41 and back of the body lamp.In addition, the transparent original unit has the transducer 45 of the playback position of detecting back of the body lamp balladeur train 51 with circuit substrate 43.
Image read-out 1 uses as the image input device to computer, is connected on the computer by interfaces such as USB, carries out the reading scan of image from user's indication according to operating unit, display unit via computer.In addition, can also send indication from the operating unit (not shown) of image read-out.
Shown in the side view of Figure 1B, image read-out 1 can make with main body side driver element 3 has reflextion copy with parallel moving on the balladeur train that dwindles optical system 11 of light source 12, first speculum to the, four speculums 13,14,15,16, lens 17, optical path length correction glass 18 and CCD color linear sensor 19 and the sub scanning direction.On image read-out 1, be fixed with main body side circuit substrate 2, main body side driver element 3, the balladeur train 11 that dwindles optical system and 50 transparent original unit A controlled via not shown stube cable.
Fig. 2 is the brief strabismus map of back of the body lamp unit 52, and back of the body lamp unit 52 is read with lamp 53, had a plurality of dust and the damage check of sending the LED54 of region of ultra-red light and constitute with LED substrate 55 by the transparent original of light guide plate 56, fluorescent lamp and xenon lamp etc.Above-mentioned transparent original reads with lamp 53 and dust and damage check and is configured in respectively on each face parallel with light guide plate 56 with LED substrate 55.In addition, on above-mentioned light guide plate 56, have the leaded light pattern 59 that forms by a plurality of ditches, make incident light is carried out leaded light and makes its emissive lighting light roughly planarly.In addition, on above-mentioned transparent original reads between usefulness lamp 53 and dust and the damage check usefulness LED substrate 55, insert reflector plate 57, can import light conductor to infrared light with higher efficient.Back of the body lamp unit 52 is surrounded by reflector plate 58 beyond the zone of irradiates light, can have roughly the planar light 38 of light quantity distribution uniformly from this planar light area illumination.And then in the present embodiment, the length on one side of sub scanning direction of making the planar light zone of back of the body lamp unit 52 makes that the length direction length that becomes than a two field picture zone of 35mm film is also big slightly, even have the film of relative image read-out that the error of stop position of sum of errors back of the body lamp balladeur train 51 of position of error, the image-region on the film of position is set, also can fully illuminate the image-region that comprises film one frame.In addition, the length on one side of the main scanning direction of the planar illuminated area of back of the body lamp unit 52 is the width that fully comprises 4 image-regions when arranging 4 35mm films.
The operation that the actual image of explanation reads in Figure 1A, Figure 1B.Be set directly on the manuscript table glass 6 of image read-out 1 at this transparent original 40 (is the 35mm film at this), perhaps to be fixed on the state setting on the guide rail (not shown) as reading object.
Back of the body lamp unit 52 is static after lighting transparent original to move to B01 position as the center of the image-region 31 of first frame of transparent original 30 under reading with the state of lamp 53 from initial position of readiness.
The balladeur train 11 that dwindles optical system is from by transducer 45 detected initial position of readiness, move to the C01 position that the position is the starting position of image-region 31 of reading, and then move to C02 position as the end position of image-region 31 to the incident light of first speculum 13.During this moved, the planar light 38 that shines from back of the body lamp unit 52 saw through transparent original 30, arrived CCD color linear sensors 19 via speculum 13,14,15,16, lens 17, optical path length correction glass 18, was converted into output signal.After output signal is transferred to main body side circuit substrate 2 and is converted into image information, sequentially output to equipment such as computer via interface cable 5.By this a series of operation can reading images zone 31 image information.
The balladeur train 11 that dwindles optical system arrives the C02 as the end position of image-region 31, is passing in the time of image information, makes the center of back of the body lamp balladeur train 51 move to position as the B02 at the center on next image-region 32.Static at back of the body lamp balladeur train 51, read the passing on when finishing of image information of image-region 31, make on one side the balladeur train 11 that dwindles optical system move to position from the C01 position as the C03 of the end position of image-region 32, on one side the image information in reading images zone 31.By image-region 33, image-region 34, image-region 35 and image-region 36 are repeated same operation, can read each image information.
Below, light source being switched to lighting of LED54, by repeating same operation, can read from the infrared view information of image-region 31 to 36.
By using present embodiment, because make back of the body lamp balladeur train 51 and dwindle balladeur train 1 alternating movement of optical system, so compare half action of pact of consumption electric power that can be when moving the peak value that needs with the situation that Unit two are moved simultaneously.
In addition, read,, can obtain not having the uneven preferable image of light quantity by simple control so do not need high precision synchronous to drive because under static flat light source, carry out image.
And then, even under the situation of 6 two field pictures that read same sub scanning direction, with the device of big or small needed planar fixed light source that can read range 6 frames on sub scanning direction relatively, because only need the roughly flat light source of the narrow range of a frame, if so compare with same consumption electric power, then can increase the light quantity of per unit area, improve reading speed.
(embodiment 2)
Skeleton diagram with the top figure of the image read-out of Fig. 3 A, 3B and side view, Fig. 4 illustrates embodiments of the invention 2.The light source of conduct back of the body lamp unit 52 in embodiment 1, used transparent original to read with lamp 53 and LED54, but in the present embodiment, as light source, have red LED 73, green LED 74, blue led 75 and infrared LED 76, use with the light guide plate leaded light to become planar LED back of the body lamp unit 72, on sub scanning direction, move by LED back of the body lamp balladeur train 71.In addition, in embodiment 1, the transparent original unit 50 is configured on the image read-out 1 as transparent original unit A, but at this as 70 transparent original unit B, be configured between the manuscript table glass 6 of reflextion copy pressing plate 4 and image read-out 1.
And then, in embodiment 1, in the original reading unit of image read-out 1, the balladeur train 11 of optical system is dwindled in use, but use in the present embodiment: by 3 look LED of red, green, blue and the reflextion copy led light source 23 that the light from LED is constituted to the light conductor on the original copy with the wire leaded light; Cylindrical lens array 24; Loading has the CIS balladeur train 21 of the CIS transducer 22 of monochromatic linear transducer 25.And then,, also the main scanning direction of the monochromatic linear transducer 25 that Fig. 4 limited can be arranged to meet at right angles with it with respect to 3 look LED23,24,25 position relation for monochromatic linear transducer 25.
Reading operation is the same with embodiment 1, but lights each color LED that LED carries on the back lamp unit 72 by order, can further reduce the consumption electric power that needs simultaneously.And then, can seek the miniaturization of device integral body by using slim CIS transducer 22 and CIS balladeur train 21.In addition, red LED 73, green LED 74, blue led 75 also can substitute with White LED, and in this case, monochromatic linear transducer uses the transducer that can read 3 looks simultaneously.
(embodiment 3)
Embodiments of the invention 3 shown in key diagram 5A, the 5B.In embodiment 1 and 2, make configuration 6 frames side by side 4 on 35mm film and read like that, make the planar light zone of back of the body lamp unit 11 and LED back of the body lamp unit 71, make that the width of main scanning direction is the size that comprises 4 on 35mm film, the width of sub scanning direction is bigger slightly than the length direction in a two field picture zone of 35mm film.In the present embodiment, the transparent original unit C by 80 constitutes, and 80 have used the width that is made into main scanning direction also to be a bit larger tham the compact LED back of the body lamp unit 81 of short direction width in a two field picture zone of 35mm film.
The operation of reading is identical with embodiment 1 and 2, and by using compact LED back of the body lamp unit 81 can further reduce consumption electric power, even the limited power supply of electric power such as USB power supply also can reading images.
(embodiment 4)
Image read-out with Fig. 6 A to Fig. 8 B explanation embodiments of the invention 4.
Fig. 6 A, 6B are the top figure and the side views of the image read-out of present embodiment.With compare with the embodiment 3 shown in Fig. 5 A, the 5B, 90 transparent original cells D is that self-propelled with driver element 100 of back of the body lamp unit 92 and scanning is installed on back of the body lamp balladeur train 91, it is pressured with unit 105 that back of the body lamp further is installed.
Transparent original 30 is set in the frame scope of the film guider 94 on the manuscript table glass 6 that is arranged at image read-out 1.In film guider 94, further prepare tooth bar (rack) 95, guiding groove 96, back of the body lamp balladeur train 91 is set on this tooth bar 95, guiding groove 96.Back of the body lamp balladeur train 91 can be along tooth bar 95, guiding groove 96 parallel moving.
The transparent original unit that is fixed on the back of the body lamp balladeur train 91 communicates via main body stube cable 44 with circuit substrate 93 and image read-out 1.The transparent original unit, is carried on the back lamp unit 92, is used driver element 100 and carry on the back the pressured control with unit 105 of lamp in the scanning shown in Fig. 7 A, the 7B further via not shown stube cable with circuit substrate 93.Back of the body lamp unit 92 is the same with embodiment 2,3, uses LED in light source.Image read-out 1 uses the balladeur train 21 that the CIS transducer the same with embodiment 2,3 is installed.
Fig. 7 A is the side view that moves of explanation back of the body lamp balladeur train 91.Scanning is made of drive motor the 101, the 1st gear the 102, the 2nd gear 103 and the 3rd gear 104 with driver element 100.When direction of arrow M rotated, back of the body lamp balladeur train 91 forwards A moved as Fig. 7 drive motor that A is shown in 101.When direction of arrow M ' rotated, transparent original unit 90 rearward A ' moved at drive motor 95 as Fig. 7 B.
Fig. 8 A, 8B are the side views that moves that explanation is installed in the back of the body lamp unit 92 on the back of the body lamp balladeur train 91.
Lamp is pressured is made of helix tube 106 and cantilever 107 with unit 105 for the back of the body, and carries on the back lamp unit 92 and is connected.When extending on direction of arrow S as Fig. 8 solenoid that A is shown in 106, back of the body lamp unit 92 is pressed on direction of arrow L via cantilever 107.When direction of arrow S ' went up contraction, back of the body lamp unit 92 was lifted on direction of arrow L ' via cantilever 107 as Fig. 8 solenoid that B is shown in 106.
Back of the body lamp balladeur train 91 is being mentioned with unit 105 under the state of carrying on the back lamp unit 92 by back of the body lamp is pressured, from initial position of readiness to moving as the B01 position at the center on the image-region 31 of first frame of transparent original 30.Thereafter pressured by back of the body lamp with pressing lower back lamp unit 92 and pressured transparent original 30 in unit 105.
CIS balladeur train 21 moves to C01 position as the starting position of image-region 31 from initial position of readiness, while read the C02 position that moves to as the end position of image-region 31.During this moved, back of the body lamp unit 11 orders were lighted red LED 73, green LED 74, blue led 75 and infrared LED 76, and irradiated planar light 38 sees through transparent original 30, arrives cmos sensor 25 via cylindrical lens array 24, is converted into output signal.
After output signal was transferred to main body side circuit substrate 2 and is converted into image information, order outputed to equipment such as computer via interface cable 5.By this a series of operation can reading images zone 31 image information.
CIS balladeur train 21 arrives the C02 as the end position of image-region 31, pass on image information during, back of the body lamp balladeur train 91 owing to mention is once more carried on the back lamp unit 92 and is removed pressuredly, moves to the B02 position as the center on next image-region 32.
Press lower back lamp unit 92 once more, when passing on of image information finished, Yi Bian make CIS balladeur train 21 move to C03 position as the end position of image-region 32, Yi Bian reading images information.By image-region 33, image-region 34, image-region 35 and image-region 36 are repeated same operation, can read each image information.
(embodiment 5)
Fig. 9 A～9D is the side view of the embodiment 5 of explanation transparent original unit E110.Transparent original unit E110 uses film guider 114 and the guiding groove 116 that is provided with concavo-convex structure in the guiding groove 96 of the film guider 94 of embodiment 4, and the rotating parts 118 that is installed on the back of the body lamp unit 112 slides thereon.Back of the body lamp unit 112 uses the LED identical with embodiment 3, is installed in the concavo-convex fluctuating as one man of rotating parts 118 and guiding groove 116 on the back of the body lamp unit 112, carries on the back lamp unit 112 thereupon and also rises and falls.Making the most in the present embodiment, the position of depression and the image-region 31～30 of transparent original 30 as one man are arranged on a plurality of positions.
The 35mm negative film cuts off with the continuous film of 6 frames usually.In the film guider 114 corresponding with this film, by center 6 recessed positions of total are set at each frame, can be at the pressured film in the center of each frame.When back of the body lamp balladeur train 111 moves in addition regional,,, can avoid injuring the film face because of back of the body lamp unit 112 so the top is kept out of the way in back of the body lamp unit 112 because by convex position.
(embodiment 6)
Figure 13 A, 13B place figure and side view above the transparent original unit 303 on the image read-out 300 of present embodiment.The image read-out of present embodiment and transparent original unit have the light diffusing sheet 308 that covers all as 6 two field pictures of the photographic film of transparent original on the basis of the foregoing description 4, and the correction windows 313 that does not dispose transparent original at calibration usefulness is set.Light diffusing sheet also is configured on the correction windows 313, and back of the body lamp unit moves on light diffusing sheet 308.Back of the body lamp unit is because move on the light diffusing sheet that covers photographic film, so do not have the pressured unit of using of back of the body lamp of embodiment 4 at this.Shown in the top figure of Figure 13 A, in image read-out 300, under the situation of the transparent original 301 that reads photographic film etc., transparent original unit 303 is set on manuscript table glass 302.On transparent original unit 303, have: the light source cell 304 that possesses the light-emitting diode (hereinafter referred to as LED) of the red light sent, green light, blue light and infrared light; Planar ground evenly guides the light element 305 from the irradiates light of light source cell 304; The light source driving units 306 that is used to make light source cell 304 and light element 305 on sub scanning direction, to move; What contact with light source driving units 306 is used for light source cell 304 and the light element 305 light source-guide unit 307 to the moving direction guiding; Be used to spread from the light of light element 305 and be radiated at light diffusing sheet 308 on the transparent original 301; Outer the image-region of transparent original 301 by being pressed on the manuscript table glass, the depth of field that highly is suppressed at the compact type imageing sensor is pushed unit 309 with interior original copy; Drive control signal from the main body circuit substrate 310 that is set at image read-out 300 sides is delivered to the transparent original element circuit substrate 311 of light source cell 304, light source driving units 306.Light source driving units 306 comprises the printing opacity light source and moves with motor 317.And then, along the film guider 312 that is installed on the manuscript table glass 302 transparent original 301 is set.In film guider 312, be provided for revising the discrete correction windows 313 that waits of sensitivity of the even imageing sensor of luminance nonuniformity of light source.Irradiates light from transparent original unit 303 is converted to electrical image signal as image information by compact type imageing sensor 314 (hereinafter referred to as CIS) via transparent original.In CIS, reflextion copy LED is installed.In addition, CIS by CIS drive motor 316 along original copy face turntable driving.
And then, showing that in Figure 14 the electric circuit block diagram of present embodiment constitutes, Figure 15 shows the flow chart of having recorded and narrated control sequence.
Below, illustrate that with Figure 13 A～Figure 15 the concrete transparent original of present embodiment reads action.
The image read-out of present embodiment is waited for the order from the scanner driver of the software in the external device (ED) 406 that is stored in Figure 14 when energized is finished initialization.If the startup scanner driver then at first carries out the kind of original copy and judges in the step S501 of Figure 15.In the kind of original copy is judged, use by the user import the method for original copy kind, with seeing through method that a part that light, reverberation reads original copy differentiates etc.Result in step S501 is under the situation of reflextion copy, advances to step S502, selects circuit 408 to select, control reflextion copy LED by light source.
On the other hand, the result in step S501 is under the situation of transparent original, enters step S503, selects, controls transparent original LED.
Below in step S504, judge whether to carry out the discrete calibration that waits of sensitivity of the even imageing sensor of luminance nonuniformity that is used to revise light source.Under user's situation that special instructions are carried out, externally install in 406 or carried out and read action etc. several times according to whether revising storage, judge whether to need to carry out to calibrate.If the selection calibration is carried out then carry out checkout action in step S505 in step S504.At first, select circuit 407 to select the printing opacity light source to move with motor 317 by the motor of Figure 14, the light source driving units 306 that drives Figure 13 A, 13B makes light element 305 move to the position D0 of correction windows 313.Below select circuit 407 to select CIS to move by motor with motor 316, similarly make CIS314 move to the position C0 of correction windows 313 with light source.Light data that each color LED obtains as revising the storage utilization at this by order.
Below in step S506, wait for the indication that prescan begins.At this, can specify the frame that carries out prescan.If in step S506, indicated prescan to begin, then in step S507, carry out prescan.At first, select to select in the circuit 407 the printing opacity light source to move, drive the light source driving units 306 of Figure 13 A, 13B, the position D1 that light element 305 is moved to comprise the 1st two field picture with motor 317 at the motor of Figure 14.Below select circuit 407 to select CIS to move by motor with motor 316, make CIS314 move to the front position C1 of the 1st frame after, begin the action of reading of the 1st frame.Read order shown in the sequential chart of Figure 16, light R-LED and on transparent original, shine R-LED light, read the light that sees through of original copy 301 with the monochrome image sensor savings.If finish the memory time of 1 row, then then light G-LED.The signal that reads of main scanning direction 1 row of the R color of just having put aside during this is exported from monochrome image sensor as output signal.Below same in the memory period that B-LED lights the signal of output G color, the signal of output B color in the memory time that IR-LED lights, the signal of output IR composition in the memory time that R-LED lights, and handle as the output signal of line order.Reading in the data of trying to achieve in proper order according to above-mentioned, the dateout of RGB is handled as view data, the dateout of IR is used for dust and damage check on the original copy, calculate by view data, can obtain reading the preferable image of having removed dust and damage in the action at 1 time according to RGB.Below, with Figure 14 the flow process that reads image data is handled is described.AFE402 be to the signal of telecommunication from CIS401 output amplify, processing such as DC offset correction, A/D conversion, finally for example export 16 the such analog front end processor of DID.Projection correction circuit 403 as projection correction storage, reads the view data that original copy generates to the data of the direct transparent original light source of trying to achieve according to this correction data correction in the step S505 of Figure 15.And then projection correction data are recorded in after data obtain in the external device (ED) 406, the data that need in when scanning are downloaded in the image read-out of present embodiment to handle.Image processing circuit 404 carries out predetermined process at the gamma conversion process with from the view data of the reverse process of external device (ED) 406 predefined image read modes (2 values, 24 many-valued etc.) etc.Interface circuit 405 become with personal computer etc. and the external device (ED) 406 of the host apparatus of the image read-out that present embodiment is relevant between, carry out the reception of control signal and the output of picture signal.External device (ED) 406 is master computers, has the scanner driver as the software that is used to control image read-out.External device (ED) 406 becomes one and the composing images treatment system with image read-out.
Scanner driver is at user's specify image read mode, perhaps has the user interface that is used to carry out resolution appointment, read range appointment,, perhaps send and read initiation command etc. to the control signal of image read-out transmission via above-mentioned interface circuit 405 based on each appointment.In addition, the view data that reads according to above-mentioned control signal by image read-out of scanner driver sequential processes and carry out picture and show.
Below in step S508, judge whether the reading of line number corresponding with the frame number of appointment finishes.Consequently specifying under the unclosed situation of reading of line number, making contact image sensor 314 on sub scanning direction, move 1 row, reading the signal of each color of RGB.And then, for example be under the situation of the 1st frame and the 2nd frame when appointed line number, temporarily stop CIS after the end reading of the 1st frame and move and use motor, make light element 305 in the transparent original unit move to the position D2 of the 2nd frame, begin to read action once more.
When in step S508, specifying under the situation that reads end of line number, by the monitor display result that is connected with external device (ED) 406, the order that the formal scanning of waiting step S509 begins.
If the formal scanning of beginning is then carried out in step S510 and appointed frame and the corresponding data processing of read-out resolution in step S509.In step S511, judge appointment line number read end, if read in the appointment line number then finished formal scanning.
(other embodiment)
In the above description, as the size of flat light source, the size that comprises 1 image in many images has been described., so-called 35mm film is cut off every 6 frames usually.If consider the accumulation of the difference of the about 2mm between the image of the difference of the about 2mm between image length 36mm and image, 5 positions, the deviation that film is provided with the position, then it is desirable to the size of the length direction of flat light source is arranged to length about about 1.5 times 56mm of image length.If long to more than 2 times the 72mm obfuscation be short to below the 40mm that comprises both sides interframe if cross, then can not contain discrete and deviation.
In addition, in the foregoing description 1 and 2, the image of 24 frames can be set simultaneously, in embodiment 3 to 5, can dispose the image of 6 frames simultaneously.Use the user interface of the computer that is connected with image read-out, can in these multiple images, specify the image that reads.According to this indication, image read-out may be controlled to order and automatically reads specified image.
Claims (22)
1, a kind of image read-out is characterized in that comprising:
Be used to place the light-passing board of original copy;
Be used to read the reading unit that is placed on the original copy on the above-mentioned light-passing board;
A kind ofly reading unit is moved and read the 1st mobile device of original copy;
Be used to illuminate the lighting unit of above-mentioned original copy; And
Be used to the 2nd mobile device that lighting unit is moved, wherein
Above-mentioned original copy is the transmission original copy with many images,
Above-mentioned lighting unit has the planar emission light face in the zone of the size that illuminates an image-region that comprises above-mentioned transmission original copy,
Above-mentioned the 2nd mobile device reads in the process of an image of above-mentioned transmission original copy at above-mentioned reading unit, above-mentioned lighting unit is maintained on whole the position illuminating an above-mentioned image, after image that above-mentioned reading unit reads above-mentioned transmission original copy finishes, above-mentioned lighting unit is moved to illuminate the position of whole of another image of above-mentioned transmission original copy.
2, image read-out according to claim 1 is characterized in that also comprising:
By above-mentioned lighting unit above-mentioned transmission original copy is pressed over pressured mechanism on the above-mentioned light-passing board;
Under the situation that above-mentioned lighting unit is moved, remove the pressured pressured cancel system that applies by above-mentioned pressured mechanism.
3, image read-out according to claim 1 is characterized in that also comprising:
Drive the drive circuit of above-mentioned the 1st mobile device and above-mentioned the 2nd mobile device selectively.
4, a kind of lighting device illuminates the transmission original copy with many images on the above-mentioned light-passing board that is placed on image read-out from the one side opposite with light-passing board, it is characterized in that comprising:
Be used to illuminate the lighting unit of above-mentioned original copy; And
Be used to mobile device that above-mentioned lighting unit is moved, wherein
Above-mentioned lighting unit has the planar emission light face in the zone of the size that illuminates an image-region that comprises above-mentioned transmission original copy,
Above-mentioned the 2nd mobile device maintains above-mentioned lighting unit in above-mentioned image read-out reads the process of an image of above-mentioned transmission original copy to illuminate on whole the position of an above-mentioned image, after image that above-mentioned image read-out reads above-mentioned transmission original copy finishes, above-mentioned lighting unit is moved to illuminate the position of whole of another image of above-mentioned transmission original copy.
5, image read-out according to claim 4 is characterized in that: lighting unit has on the direction vertical with above-mentioned moving direction the field of illumination of the size that the image of arranging a plurality of above-mentioned transmission original copys throws light on.
6, image read-out according to claim 4 is characterized in that also comprising:
Between above-mentioned lighting unit and above-mentioned transmission original copy, cover above-mentioned light diffusing sheet with transmission original copy of many images.
7, image read-out according to claim 4 is characterized in that also comprising:
By above-mentioned lighting unit above-mentioned transmission original copy is pressed over pressured mechanism on the above-mentioned light-passing board;
When above-mentioned lighting unit being moved, remove the pressured pressured cancel system that applies by above-mentioned pressured mechanism by above-mentioned mobile device.
8, image read-out according to claim 4 is characterized in that:
Above-mentioned lighting unit loads the drive source of above-mentioned mobile device.
9, image read-out according to claim 7 is characterized in that:
Above-mentioned lighting unit loads and switches the pressured drive source that has or not that drives above-mentioned pressured mechanism.
10, image read-out according to claim 7 is characterized in that:
Switch have the above-mentioned pressured mechanism of having no way of to apply pressured in linkage with moving of above-mentioned lighting unit.
11, image read-out according to claim 7 is characterized in that:
Above-mentioned lighting unit loads visible light source and infrared light supply.
12, image read-out according to claim 7 is characterized in that:
Above-mentioned lighting unit loads a plurality of semiconductor light sources of the different wave length more than 3 looks or 3 looks.
13, a kind of method of controlling image read-out, this image read-out illuminates with having the lighting unit that moves the mobile device of usefulness along above-mentioned original platform, and it is mobile across above-mentioned original platform reading unit to be scanned, thereby read the transparent original that is placed on the above-mentioned original platform, the method is characterized in that to comprise with many images:
Make lighting unit static and illuminate whole of a image that above-mentioned transparent original has with the field of illumination that comprises an above-mentioned image-region, and the step that reads by above-mentioned reading unit;
Control above-mentioned mobile device, above-mentioned lighting unit is moved to the step of whole position of another image that illuminates in above-mentioned a plurality of image, wherein
Till the above-mentioned step that reads of stated number finishes, repeat above-mentioned step that reads and above-mentioned mobile step.
14, method according to claim 13 is characterized in that:
In the above-mentioned step that reads, further have by above-mentioned planar light unit above-mentioned transparent original is pressed over step on the above-mentioned original platform,
In above-mentioned mobile step, further has the above-mentioned pressured step of releasing.
15, method according to claim 13 is characterized in that:
The afore mentioned rules number is the number of the image that has of above-mentioned transparent original.
16, method according to claim 13 is characterized in that also comprising:
The reading images given step of the image that appointment is read from above-mentioned transparent original with many images.
17, method according to claim 16 is characterized in that:
The afore mentioned rules number is the number of the image that reads from above-mentioned original copy of appointment in above-mentioned reading images given step.
18, method according to claim 16 is characterized in that:
Above-mentioned another image is another image from the image that above-mentioned original copy reads of appointment in above-mentioned reading images given step.
19, method according to claim 13 is characterized in that:
The above-mentioned step that reads is to illuminate above-mentioned transparent original with the above-mentioned lighting unit with visible light source and infrared light supply, obtains the visual picture signal of the image that above-mentioned transparent original has and the image read step of infrared image signal.
20, method according to claim 19 is characterized in that also comprising:
Handle above-mentioned visual picture signal and above-mentioned infrared image signal, the defect information correction step that the defect image signal that the defective owing to being present in the above-mentioned transparent original in the above-mentioned visual picture signal is produced is revised.
21, the executable program of a kind of computer, carry out the method for control image read-out, this image read-out throws light on having the lighting unit that moves the mobile device of usefulness along the original platform, and it is mobile across above-mentioned original platform reading unit to be scanned, thereby read the transparent original that is placed on the above-mentioned original platform, comprise following steps with many images:
Make lighting unit static and illuminate whole of a image that above-mentioned transparent original has, the step that reads by above-mentioned reading unit with the field of illumination that comprises an above-mentioned image-region;
Control above-mentioned mobile device, above-mentioned lighting unit is moved to the step of whole position of another image that illuminates in above-mentioned many images, wherein
Till the above-mentioned step that reads of stated number finishes, repeat above-mentioned step that reads and above-mentioned mobile step.
22, a kind of medium of storage computation machine executable program, carry out the method for control image read-out, this image read-out throws light on having the lighting unit that moves the mobile device of usefulness along the original platform, and it is mobile across above-mentioned original platform reading unit to be scanned, thereby read the transparent original that is placed on the above-mentioned original platform, comprise following steps with many images:
Make lighting unit static and illuminate whole of a image that above-mentioned transparent original has, the step that reads by above-mentioned reading unit with the field of illumination that comprises an above-mentioned image-region;
Control above-mentioned mobile device, above-mentioned lighting unit is moved to the step of whole position of another image that illuminates in above-mentioned many images, wherein
Till the above-mentioned step that reads of stated number finishes, repeat above-mentioned step that reads and above-mentioned mobile step.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004174061 | 2004-06-11 | ||
| JP2004174061 | 2004-06-11 | ||
| JP2005166755 | 2005-06-07 |
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| Publication Number | Publication Date |
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| CN1708090A true CN1708090A (en) | 2005-12-14 |
| CN100369451C CN100369451C (en) | 2008-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100780254A Expired - Fee Related CN100369451C (en) | 2004-06-11 | 2005-06-10 | Surface illumination unit and transparent original reading apparatus |
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| Country | Link |
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| CN (1) | CN100369451C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013053315A1 (en) * | 2011-10-10 | 2013-04-18 | 南京酷朗电子有限公司 | Contact image sensor with scan arrays |
| CN103220449A (en) * | 2012-01-20 | 2013-07-24 | 亚亚科技股份有限公司 | Facial shape scanning unit and optic detecting device with same |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08163328A (en) * | 1994-11-29 | 1996-06-21 | Fuji Photo Film Co Ltd | Microfilm scanner |
| CN2241358Y (en) * | 1995-12-12 | 1996-11-27 | 蔡水泉 | Platform-type optic image reading device |
| JPH11317831A (en) * | 1998-05-01 | 1999-11-16 | Ricoh Co Ltd | Image reader |
| JP2003315931A (en) * | 2002-04-26 | 2003-11-06 | Canon Inc | Image reader |
-
2005
- 2005-06-10 CN CNB2005100780254A patent/CN100369451C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013053315A1 (en) * | 2011-10-10 | 2013-04-18 | 南京酷朗电子有限公司 | Contact image sensor with scan arrays |
| CN103220449A (en) * | 2012-01-20 | 2013-07-24 | 亚亚科技股份有限公司 | Facial shape scanning unit and optic detecting device with same |
| CN103220449B (en) * | 2012-01-20 | 2016-03-09 | 亚亚科技股份有限公司 | Face shape scanning element and there is the optical detection apparatus of face shape scanning element |
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| Publication number | Publication date |
|---|---|
| CN100369451C (en) | 2008-02-13 |
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