CN101237527A - Image pick-up module and adjusting device - Google Patents
Image pick-up module and adjusting device Download PDFInfo
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- CN101237527A CN101237527A CNA2008100090322A CN200810009032A CN101237527A CN 101237527 A CN101237527 A CN 101237527A CN A2008100090322 A CNA2008100090322 A CN A2008100090322A CN 200810009032 A CN200810009032 A CN 200810009032A CN 101237527 A CN101237527 A CN 101237527A
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Abstract
The invention provides a small imaging module, which comprises an imaging optical system to an imaging component and the entity of which is provided high performance, and an adjusting device for the imaging module. To make a lens column integrated with an imaging circuit unit, an imaging component part which outputs the imaged picture as digital image data is arranged in an imaging circuit unit; the imaging component part comprises: an imaging component for photoelectric conversion of the imaged picture; an A/D conversion circuit for digital conversion of an output signal of the imaging component; a storage circuit for storing position information (coordination information) of pixel which outputs abnormal value in a plurality of pixel of the imaging component; and an interpolating circuit for undergoing interpolating for pixel output corresponding to output of the A/D conversion circuit with output of pixel around according to the information stored in the storage circuit; image data of high picture quality without pixel defect and influence from dust or scar of the imaging optical system can be obtained on the main side of the digital camera even without adjustment.
Description
Technical field
The present invention relates to photographing module and adjusting device, be specifically related to the adjusting device of the so-called photographing module that constitutes by lens unit and imaging circuit unit and this photographing module.
Background technology
Camera heads such as digital camera are constituted by a plurality of unit.Wherein, particularly the photographing module after compound is the major part of camera head with lens unit and imaging circuit unit.In recent years, this photographing module monomer also becomes trading object.
In addition, the miniaturization of digital camera in recent years makes progress, and at photographing module, the requirement of miniaturization also strengthens to some extent, proposed imaging apparatus encapsulation and peripheral circuit thereof are encapsulated the technology (for example, with reference to patent documentation 1 and patent documentation 2) that is configured in effectively on the installation base plate.And, under the situation of concluding the business, lens unit and imaging circuit unit need be integrated, and guarantee precision at both matchings of photographing module with the photographing module monomer.In patent documentation 3, done such disclosing, that is: in order to realize totally having the photographing module of high optical property, use imaging apparatus to detect the parameter value of the optical property of expression photographic optical system, make the position of imaging apparatus be parallel to optical axis according to this detected value and move.
[patent documentation 1] TOHKEMY 2003-219227 communique
[patent documentation 2] TOHKEMY 2005-085976 communique
[patent documentation 3] TOHKEMY 2000-050146 communique
As mentioned above,, carried out various motions, and, except imaging apparatus, also needed various circuit such as imaging apparatus drive circuit, analog signal processing circuit, A/D convertor circuit as the circuit of camera system about the miniaturization of photographing module.Therefore, in the existing installation method of each IC package arrangements on substrate, substrate area increases, the miniaturization difficulty of photographing module.And when the pixel defectiveness of imaging apparatus in the inspection after the photographing module assembling, discarded photographing module produces waste.
Summary of the invention
The present invention In view of the foregoing finishes just, the objective of the invention is to, and provides have high-performance and small-sized photographing module and adjusting device from photographic optical system to imaging apparatus integral body a kind of comprising.
In order to achieve the above object, the photographing module of the 1st invention is the photographing module that makes lens unit and imaging circuit unit integral, wherein, above-mentioned imaging circuit unit has the single imaging apparatus encapsulation of shot object image as DID output, this imaging apparatus encapsulation comprises: imaging apparatus, and it has a plurality of pixels that are used for shot object image is carried out opto-electronic conversion; The A/D change-over circuit, its output signal to this imaging apparatus is carried out digital translation; Memory circuit, it stores the locations of pixels information of the output exception value in above-mentioned a plurality of pixels of above-mentioned imaging apparatus; And interpolating circuit, it is according to the information that is stored in the above-mentioned memory circuit, utilizes the output of its neighboring pixel to carry out interpolation to the pixel output of the output correspondence of above-mentioned A/D change-over circuit.
The photographing module of the 2nd invention, in above-mentioned the 1st invention, above-mentioned memory circuit is a nonvolatile memory.
And, the photographing module of the 3rd invention, in above-mentioned the 1st invention, above-mentioned memory circuitry stores is exported the defect kind of the pixel of above-mentioned exceptional value, and above-mentioned interpolating circuit is according to above-mentioned defect kind decision interpolative operation.
And the adjusting device that can be connected with photographing module of the 4th invention in above-mentioned the 1st invention, can make the positional information of the above-mentioned unusual output pixel of above-mentioned memory circuitry stores.
In order to achieve the above object, the photographing module of the 5th invention is the photographing module that makes lens unit and imaging circuit unit integral, wherein, above-mentioned imaging circuit unit has the single imaging apparatus encapsulation of shot object image as DID output, this imaging apparatus encapsulation comprises: imaging apparatus, and it has a plurality of pixels that are used for shot object image is carried out opto-electronic conversion; The A/D change-over circuit, its output signal to this imaging apparatus is carried out digital translation; And interpolating circuit, its pixel output to the expression exceptional value in the output of this A/D change-over circuit utilizes the output of its neighboring pixel to carry out interpolation.
In order to achieve the above object, the photographing module of the 6th invention is the photographing module that makes lens unit and imaging circuit unit integral, wherein, above-mentioned imaging circuit unit has the single imaging apparatus encapsulation of shot object image as DID output, this imaging apparatus encapsulation has: imaging apparatus, and it carries out opto-electronic conversion and output image signal to above-mentioned shot object image; The A/D change-over circuit, it carries out digital translation to above-mentioned picture signal; Memory circuit, its storage are used to proofread and correct the correction data of each defective of the defective of above-mentioned imaging apparatus; And correcting circuit, it proofreaies and correct the picture signal after above-mentioned A/D changes according to the above-mentioned correction data that is stored in this memory circuit.
The photographing module of the 7th invention, in above-mentioned the 6th invention, above-mentioned correction data is the above-mentioned information that has the locations of pixels of defective of expression.
And, the photographing module of the 8th invention, in above-mentioned the 6th invention, this photographing module has the lens unit that is used to make above-mentioned shot object image imaging, above-mentioned memory circuitry stores is used to proofread and correct the optical correction data of the defective mode of the photographic optical system in the said lens unit, and above-mentioned correcting circuit output is according to the view data behind the defective mode of above-mentioned optical correction adjustment of data photographic optical system.
In order to achieve the above object, the adjusting device of the photographing module of the 9th invention is the adjusting device that makes the photographing module of lens unit and imaging circuit unit integral, this adjusting device has: the correction data arithmetic element, it carries out the output of the imaging apparatus of opto-electronic conversion to shot object image according to being configured in above-mentioned imaging circuit unit, detection is caused by the defective mode of the defective of the above-mentioned imaging apparatus in the above-mentioned imaging circuit unit or the photographic optical system in the said lens unit, the exceptional value of the output of above-mentioned imaging apparatus is obtained and is used for correction data that above-mentioned defective or defective mode are proofreaied and correct; And transmitting element, it will be sent to the memory circuit in the above-mentioned photographing module by the above-mentioned correction data that this correction data arithmetic element is obtained.
According to the present invention, because the locations of pixels information of the output exception value in a plurality of pixels of storage imaging apparatus, and the output of proofreading and correct imaging apparatus according to this canned data, therefore, can provide have high-performance and small-sized photographing module and adjusting device from photographic optical system to imaging apparatus integral body a kind of comprising.
Description of drawings
Fig. 1 is the stereoscopic figure of summary that the photographing module of an embodiment of the invention is shown.
Fig. 2 is the exploded perspective view of image pickup part of a part that constitutes the photographing module of an embodiment of the invention.
Fig. 3 is the profile of the camera element unit of an embodiment of the invention.
Fig. 4 is the photographing module of an embodiment of the invention and the circuit diagram of adjusting device.
Fig. 5 is the stereoscopic figure that the state on the adjusting device that the photographing module of an embodiment of the invention is installed in is shown.
Fig. 6 is the process chart of assembling procedure that the photographing module of an embodiment of the invention is shown.
Fig. 7 is the flow chart of adjustment action that the photographing module of an embodiment of the invention is shown.
Fig. 8 is the figure that the interpolative data notion in the adjustment action of photographing module of an embodiment of the invention is shown, and the example of picture element flaw (A) is shown, and (B) is the figure that the example of dust/scar is shown.
Fig. 9 is the flow chart that the interpolation action in the equipment of photographing module of an embodiment of the invention of having packed into is shown.
Symbol description
1: the imaging circuit unit; 2: lens barrel unit; 2a: lens barrel; 2b: photographic optical system; 2c: focus on and use motor; 2d: zoom motor; 4: light intensity adjusting mechanism; 5: light intensity adjusting mechanism; 6: lens position testing agency; 7: lens actuating device; 10: pedestal; 10x: openning; Moved frame in 11: the 1; 11c: the 1st holding section; 11d: the 1st test section; 11e: the 1st notch; 12: the 1 location leading axles; 13: the 1 force application springs; 14: the 1 driving mechanism portions; 15: the 1 motors; 16: the 1 pinions; 17: the 1 gears; 18: the 1 driving screws; 19: the 1 nuts; 19a: rotation restrictions; 20: the 1 drive division pressing plates; 21a: screw; 21b: screw; Rotation in 22: the 1 stops to use leading axle; 24: the 1 position-detection sensors; Moved frame in 31: the 2; 31c: the 2nd holding section; 31d: the 2nd test section; 31e: the 2nd notch; 31x: openning; 32: the 2 location leading axles; 33: the 2 force application springs; 34: the 2 driving mechanism portions; 35: the 2 motors; 36: the 2 pinions; 37: the 2 gears; 38: the 2 driving screws; 39: the 2 nuts; 39a: rotation restrictions; 40: the 3 drive division pressing plates; 41a: screw; 41b: screw; Rotation in 42: the 2 stops to use leading axle; 43: the 2 rotation force application springs; 44: the 2 position-detection sensors; 50: camera element unit; 51: imaging apparatus portion; 52: the flexible printing substrate; 54: containment member; 55: optical low-pass filter/Infrared filter; 56: anti-dazzling screen; The 57:LPF pressing plate; 61: imaging apparatus; 62: the 1 circuit substrates; 63: the 2 circuit substrates; 64a: sept; 64b: sept; 65: closing line; 66: insert; 67: electrode; 68: glass cover; 69: encapsulation; 80: mobile unit; 100: photographing module; 201: analog signal processing circuit; The 202:A/D change-over circuit; 203: temporary storage; 204: interpolating circuit; 205: memory circuit; 206: the imaging apparatus drive circuit; 211: the 1, the 2nd position-detection sensor; 213: the 1, the 2nd driving mechanism; 215: the shake transducer; 216: the jitter correction computing circuit; 217: the jitter correction drive circuit; 300: adjusting device; 301: sequential controller (CPU); 303: data/address bus; 311: image processing circuit; The 313:SDRAM control circuit; 315:SDRAM; 317: imput output circuit; 319: the switch testing circuit; 321: key board unit; 323: video signal output circuit; 325: the LCD monitor drive circuit; 327: LCD monitor; 331: measure figure; 333: backlight; 351: stain; 352: stain; 353: black flour; 354: black line; 355: black line.
Embodiment
Below, the preferred implementation that photographing module of the present invention and adjusting device thereof have been used in use describes with reference to the accompanying drawings.The photographing module of present embodiment has: the variable photographic optical system of focal length, the circuit that the shot object image by this photographic optical system imaging is carried out the imaging apparatus of opto-electronic conversion and is used for the picture signal of exporting from this imaging apparatus is handled.And this photographing module also has: the image dithering correcting device that detects the shake detecting sensor of amount of jitter and direction and be used for removing according to the output of this transducer effect of jitter.And, the adjusting device that is used in combination with this photographing module is according to the picture signal of exporting from each pixel of imaging apparatus, the existence that detects picture element flaw etc. whether, the scar of photographic optical system or attached to the dust on the photographic optical system, and the correction data that is used for electric image signal correction is written to memory circuit in the photographing module.
Fig. 1 is the stereoscopic figure from the photographing module 100 of the digital camera of photographic lens side observation embodiments of the present invention.Photographing module 100 is made of imaging circuit unit 1 with image shake correction function and lens barrel unit 2.Lens barrel unit 2 is by constituting with inferior, that is: photographic optical system 2b, and it is made of a plurality of optical parameters (optical element), makes the shot object image imaging; Lens barrel 2a, it is made of a plurality of lens barrels that this photographic optical system 2b can be kept towards the direction along its optical axis with moving freely etc.; Focus on and to use motor 2c, the lens barrel of the optical system that its maintenance focal adjustments that is used for driving this lens barrel 2a is used; Zoom motor 2d, the lens barrel of the optical system of focal length change action is carried out in its maintenance that is used for driving lens barrel 2a; Portion of mechanism, it makes to focus on motor 2c and is connected and transmission of drive force with the motor 2d lens barrel corresponding with each with zoom; And light intensity adjusting mechanism, it comprises aperture or the ND filter of regulating the subject light quantity.
By being assembled on this lens barrel unit 2, imaging circuit unit 1 constitutes photographing module 100.In this case, the pedestal 10 as the basic comprising member of imaging circuit unit 1 is fixedly installed on the base portion of lens barrel unit 2.At this moment, close the position of lens barrel unit 2 and imaging circuit unit 1, the central point of the sensitive surface of the imaging apparatus 61 (with reference to Fig. 4) in the optical axis of the photographic optical system 2b of lens barrel unit 2 and the imaging apparatus portion 51 (with reference to Fig. 2) is roughly consistent, and the sensitive surface quadrature of the optical axis of photographic optical system 2b and imaging apparatus portion 51.
Below, use Fig. 2 that the structure of imaging circuit unit 1 is described in detail.This imaging circuit unit 1 mainly is made of following, that is: pedestal the 10, the 1st moves frame the 11, the 2nd and moves frame the 14, the 2nd driving mechanism portion 34 of the 31, the 1st driving mechanism portion and camera element unit 50.Pedestal 10 is basic comprising members, and the 1st moves frame 11 is supported on the pedestal 10 movablely, and the 2nd moves frame 31 is supported on the 1st movablely and moves on the frame 11.Camera element unit 50 is supported on the 2nd and moves on the frame 31 and have imaging apparatus portion 51.As shown in Figure 3, in imaging apparatus portion 51, be provided with imaging apparatus 61.The 1st driving mechanism portion 14 is made of drive source and driving mechanism, this drive source and driving mechanism are fixedly installed on the pedestal 10, are used for making moving the module units that frame the 11, the 2nd moves the state after frame 31 and camera element unit 50 assemblings (following this module units is called mobile unit) 80 towards the 1st direction (direction along arrow Y of Fig. 2) displacement with the 1st.And the 2nd driving mechanism portion 34 is made of drive source and driving mechanism, and this drive source and driving mechanism are fixedly installed on the pedestal 10, is used for making the 2nd to move frame 31 and camera element unit 50 towards the 2nd direction (direction along arrow X of Fig. 2) displacement.
Said base 10 is the frame shape members that partly have openning 10x in substantial middle, is set with the 1st driving mechanism portion 14 and the 2nd driving mechanism portion 34.Here, the 1st driving mechanism portion 14 is configured in the upside of pedestal 14, and the 2nd driving mechanism portion 34 is configured near the zone that prolongs from the zone that disposes the 1st driving mechanism portion 14 along the 1st direction (direction along arrow Y Fig. 2).
The 1st driving mechanism portion 14 is by constituting with inferior, that is: the 1st motor 15, and it uses screw 21a to be fixedly installed on the regulation position of pedestal 10, is used to drive the 1st and moves frame; The 1st pinion 16, it is fixedly installed on an end of the rotating shaft of the 1st motor 15; The 1st gear 17, itself and the 1st pinion 16 mesh; The 1st driving screw 18, it is supported on the coaxial of the 1st gear 17 by axle and goes up and driven by the 1st motor 15; And the 1st nut 19, its by the rotation of the 1st driving screw 18 along the 1st direction displacement.And, being equipped at each member of formation of the 1st driving mechanism portion 14 under the state at regulation position of pedestal 10, the 1st drive division pressing plate 20 uses screw 21b to fixedly install, so that from these member of formation of outer side covers.
In addition, the 1st nut 19 partly is formed with the negative thread portion of meshing with the 1st driving screw 18 in its substantial middle, and has rotation restrictions 19a, this rotation restrictions 19a is by engaging the position engaging with the 1st regulation that moves frame 11, follow the rotation of the 1st driving screw 18, limit the 1st nut 19 and self rotate.And an end of the 1st driving screw 18 is supported on the 1st drive division pressing plate 20 by axle free to rotately, and the other end is supported on the fixed part of pedestal 10 by axle free to rotately.Therefore, according to this structure, when the 1st motor 15 was driven, the 1st pinion 16 rotated, and the 1st driving screw 18 is via rotating in the same direction with meshing the 1st gear 17 of the 1st pinion 16.Follow the rotation of the 1st driving screw 18, the 1st nut 19 moves towards the 1st direction (the Y direction of Fig. 2).
Under the state that is assembled with imaging circuit unit 1, the 1st nut 19 of the 1st driving mechanism portion 14 is adapted to the 1st inside portion butt that moves the 1st holding section 11c of frame 11 and engages.And, on the 1st holding section 11c, form section and be roughly the 1st notch 11e of C word shape.When the 1st notch 11e is arranged in the butt of guaranteeing the 1st holding section 11c and the 1st nut 19, the 1st driving screw 18 can not disturbed.In addition, when from face side observation imaging circuit unit 1, the position configuration that the 1st nut 19 engages with the 1st holding section 11c is in the 1st force application spring 13 and the 1st is located with the zone between the leading axle 12.
Near the 1st driving mechanism portion 14, the 1st position-detection sensor 24 is fixedly installed on the fixed part of regulation of pedestal 10.Corresponding to the sensor part of the 1st position-detection sensor 24, move frame 11 sides the 1st and be provided with the 1st test section 11d.Follow the 1st to move moving of frame 11, the 1st test section 11d is by the sensor part of the 1st position-detection sensor 24.Thus, the 1st position-detection sensor 24 can detect the 1st and move moving of frame 11.
The 2nd driving mechanism portion 34 has the identical structure with above-mentioned the 1st driving mechanism portion 14 basically, and by constituting with inferior, that is: the 2nd motor 35, and it uses screw 41a to be fixedly installed on the regulation position of pedestal 10, is used to drive the 2nd and moves frame 31; The 2nd pinion 36, it is fixedly installed on an end of the rotating shaft of the 2nd motor 35; The 2nd gear 37, itself and the 2nd pinion 36 mesh; The 2nd driving screw 38, coaxial go up and that it is supported on the 2nd gear 37 by axle by the 2nd motor driven; And the 2nd nut 39, itself and 38 engagements of the 2nd driving screw, by the rotation of the 2nd driving screw 38 along the 2nd direction (directions X of Fig. 2) displacement.And, being equipped at each member of formation of the 2nd driving mechanism portion 34 under the state at regulation position of pedestal 10, the 2nd drive division pressing plate 40 uses screw 41b to fixedly install, so that from these member of formation of outer side covers.
In addition, the 2nd nut 39 partly is formed with the negative thread portion of meshing with the 2nd driving screw 38 in its substantial middle, and has rotation restrictions 39a outside on the part of circumference, this rotation restrictions 39a by with pedestal 10 engage the position engaging, follow the rotation of the 2nd driving screw 38 to limit the 2nd nut 39 self rotation.And an end of the 2nd driving screw 38 is supported on the 2nd drive division pressing plate 40 by axle free to rotately.And the other end is supported on the fixed part of pedestal 10 by axle free to rotately.Therefore, according to this structure, when the 2nd motor 35 was driven, the 2nd pinion 36 rotated, and the 2nd driving screw 38 rotates in the same direction via the 2nd gear 37 with 36 engagements of the 2nd pinion.Follow the rotation of the 2nd driving screw 38, the 2nd nut 39 moves towards the 2nd direction (directions X of Fig. 2).
Under the state that is assembled with imaging circuit unit 1, the 2nd nut 39 of the 2nd driving mechanism portion 34 is adapted to and engages with the 2nd inside part butt that moves the 2nd holding section 31c of the fastened component 45 that frame 31 one set.The 2nd holding section 31 has section for U word shape roughly and form the 2nd notch 31e that extends towards the 1st direction (the Y direction of Fig. 2).The 2nd notch 31e is arranged to when the 2nd moves frame 31 and follow the 1st to move frame 11 along the displacement of the 1st direction and along the equidirectional displacement, and the 2nd holding section 31 and the 2nd nut 39 make the butt position be subjected to displacement along equidirectional (the 1st direction).At this moment, it is in the butt state of guaranteeing both (the 2nd holding section 31c and the 2nd nut 39) that the 2nd holding section 31e is set, and makes the 2nd driving screw 38 not disturb the 2nd holding section 31c.
The 2nd notch 31e is configured to surround the 2nd driving screw 38, and forms towards the 1st direction (the Y direction of Fig. 2) and extend.And the otch amount of the 2nd notch 31e is set to that to move frame 11 than the 1st big along the amount of movement of the 1st direction.And the 2nd holding section 31c and the 2nd nut 39 are configured in and make the zone that disposes the 1st driving mechanism portion 14 near the zone that the 1st direction prolongs.
Near the 2nd driving mechanism portion 34, the 2nd position-detection sensor 44 is fixedly installed on the fixed part of regulation of pedestal 10.Corresponding to the sensor part of the 2nd position-detection sensor 44, move frame 31 sides the 2nd and be provided with the 2nd test section 31d.And, follow the 2nd to move moving of frame 31, the 2nd test section 31d is by the sensor part of the 2nd position-detection sensor 44, and the 2nd position-detection sensor 44 can detect the 2nd and move moving of frame 31.
As mentioned above, the 1st to move frame 11 are the frame shape members that partly have openning 11x in substantial middle, are supported on the pedestal 10 movablely.And the 1st moves frame 11 is supported on the pedestal 10 along the 1st direction (the Y direction of Fig. 2) in the face parallel with the sensitive surface of imaging apparatus portion 51 movablely.In order to carry out this displacement, the 1st moves frame 11 stops to be supported on the pedestal 10 along the 1st direction with leading axle 22 with leading axle 12 and the 1st rotation via the 1st location movablely, the 1st location is the 1st location leading axles with leading axle 12, be to support the 1st back shaft that moves frame 11, it is to guide the 1st to move frame 11 and limit the 1st and move frame 11 and rotate with the 1st of leading axle 12 rotations around the 1st location and stop to use leading axle along the 1st direction that the 1st rotation stops with leading axle 22.
Moving suspension between frame 11 and the pedestal 10 the 1st has the 1st force application spring 13, the 1 force application springs 13 to be made of helical spring of austerity etc., moves frame 11 along the 1st direction (the Y direction of Fig. 2) application of force to the 1st.The 1st force application spring 13 the 1st location with leading axle 12 near, along stop to arrange to be adapted to use the long axis direction of leading axle 12 parallel by the 1st rotation with the 1st location with the sidepiece of leading axle 22.And, near stopping with leading axle 22, the 1st rotation is equipped with the 1st rotation force application spring 23, the 1st rotation force application spring 23 is made of the helical spring of extensibility etc., move frame 11 along the 1st direction application of force to the 1st, and in the face parallel, move the frame rotation application of force the 1st with the sensitive surface of imaging apparatus portion 51.
Making the application of force direction of the 1st force application spring 13 and the 1st rotation force application spring 23 is roughly the same direction, with leading axle 12 the 1st force application spring 13 and the 1st rotation force application spring 23 are configured in the 1st rotation together at the 1st location and stop usefulness leading axle 22 sides, in the face parallel, rotate the application of force in the same direction with the sensitive surface of imaging apparatus portion 51 thereby move frame 11 to the 1st.Therefore, can make gap between leading axle and its fitting portion effectively near a side.
The 2nd to move frame 31 are the frame shape members that partly have openning 31x in substantial middle, are supported on the 1st movablely and move on the frame 11.The 2nd moves frame 31 can move frame 11 the 1st direction (the Y direction of Fig. 2) displacement in the face parallel with the sensitive surface of imaging apparatus portion 51 together with the 1st, and along with the 1st direction roughly the 2nd direction (directions X of Fig. 2) in the face of quadrature be supported on the 1st movablely and move on the frame 11.
Therefore, the 2nd moves frame 31 rotates with leading axle 32 and the 2nd via the 2nd location and stops to be supported on the 1st with leading axle 42 along the 2nd direction movablely and move on the frame 11, the 2nd location is the 2nd location leading axles with leading axle 32, the 2nd rotation stops to be arranged on the 1st with leading axle 42 along the 2nd direction (directions X of Fig. 2) guiding moves the 2nd on the frame 11 and moves frame 31, and limit the 2nd move frame 31 around the 2nd location with leading axle 32 rotations.
Moving suspension between frame 31 and the pedestal 10 the 2nd has the 2nd force application spring 33, the 2 force application springs 33 to be made of helical spring of austerity etc., moves frame 31 along the 2nd direction (directions X of Fig. 2) application of force to the 2nd.The 2nd force application spring 33 the 2nd location with leading axle 32 near arrangement be adapted to parallel with the long axis direction of the 2nd location usefulness leading axle 32.And, near stopping with leading axle 42, the 2nd rotation is equipped with the 2nd rotation force application spring 43, the 2nd rotation force application spring 43 is made of the helical spring of extensibility etc., move frame 31 along the 2nd direction application of force to the 2nd, and in the face parallel, move the frame 31 rotation application of forces the 2nd with the sensitive surface of imaging apparatus portion 51.In addition, the rotation that is produced by the 1st rotation force application spring 23 applies the direction of power and is set to equidirectional by the direction that the rotation that the 2nd rotation force application spring 43 produces applies power.
Below, the elemental motion of the imaging circuit unit 1 of such formation is described.When photographing module 100 is in the starting up state, but imaging circuit unit 1 is in operate condition, and when having operated control member such as shutter release button in order to carry out shooting action, the index signal of this moment is delivered to the control circuit of photographing module 100, and control circuit begins that auto-focus is regulated (AF) action, automatic exposure (AE) action waits regulation to move.
When this action beginning, when the output according to the shake transducer has generated the image dithering correcting control signal, drive the 1st motor 15 and the 2nd motor 35 according to this signal.The actuating force of the 1st motor 15 is rotated the 1st pinion 16, and the 1st pinion 16 rotates the 1st driving screw 18 via the 1st gear 17.At this moment, owing to rotating limiting member 19a, it is limited the rotation of self with the 1st nut 19 that the 1st driving screw 18 screws togather with the position engaging that engages of pedestal 10.Therefore, follow the rotation of the 1st driving screw 18, the 1st nut 19 moves along the 1st direction (the Y direction of Fig. 2).
Butt has the 1st the 1st holding section 11c that moves frame 11 on the 1st nut 10, and this both butt state is kept by means of the power that applies of the 1st force application spring 13 all the time.Under this state, carry out the drive controlling of the 1st motor 15, when the 1st nut 19 was mobile along the 1st direction (the Y direction of Fig. 2), the 1st moved frame 11 when keeping the butt state of the 1st holding section 11c and the 1st nut 19 by means of the power that applies of the 1st force application spring 13, moves towards the 1st direction.Otherwise, when the 1st nut towards with the 1st side when mobile in the opposite direction, the 1st nut 19 in the power that applies that overcomes the 1st force application spring 13 and with the 1st holding section 11c butt in push the 1st holding section 11c.Thus, the 1st move frame 11 towards moving in the opposite direction with above-mentioned side.Like this, by the drive controlling of the 1st motor 15, the 1st moves frame 11 moves along the 1st direction.
On the other hand, the actuating force of the 2nd motor 35 is rotated the 2nd pinion 36, and the 2nd pinion 36 rotates the 2nd driving screw 38 via the 2nd gear 37.At this moment, owing to rotating restrictions 39a, it is limited the rotation of self with the 2nd nut 39 that the 2nd driving screw 38 screws togather with the position engaging that engages of pedestal 10.Therefore, follow the rotation of the 2nd driving screw 38, the 2nd nut 39 moves along the 2nd direction (directions X of Fig. 2).
Butt has the 2nd holding section 31c that moves the fastened component 45 that frame 31 one set with the 2nd on the 2nd nut 39, and this both butt state is kept by means of the power that applies of the 2nd force application spring 33 all the time.Under this state, carry out the drive controlling of the 2nd motor 35, when the 2nd nut 39 was mobile along the 2nd direction (directions X of Fig. 2), the 2nd moves frame 31 moved in the butt state of keeping the 2nd holding section 31c and the 2nd nut 39 by means of the power that applies of the 2nd force application spring 33 in the same direction.And when the 2nd nut 39 was mobile in the opposite direction, the 2nd moves frame 31 moved in the butt state of keeping the 2nd holding section 31c and the 2nd nut 39 by means of the power that applies of the 2nd force application spring 33 in the same direction.Like this, by the 2nd motor 35 is carried out drive controlling, the 2nd moves frame 31 moves along the 2nd direction (directions X of Fig. 2).
In addition, the 2nd moves frame 31 follows the 1st to move frame 11 along the displacement of the 1st direction and along the equidirectional displacement, at this moment, the 2nd nut 39 and the 2nd holding section 31c follow the 1st displacement of moving frame 11 when keeping its butt state, moves along the 1st identical direction.That is, the butt position of the 2nd nut 39 and the 2nd holding section 31c is subjected to displacement, and follows the 2nd to move frame 31 and the 1st and move the displacement of frame 11 towards the 1st direction, and the 2nd holding section 31c also moves in the same direction.In its moving range, keep the butt state of the 2nd holding section 31c and the 2nd nut 39 all the time.
Below, use Fig. 3 that the structure that has as the imaging apparatus portion 51 of the function of imaging apparatus encapsulation is described.Imaging apparatus portion 51 utilizes encapsulation (Sip) technology in the system known per, carries out the substrate/chip here stacked.Generally, when the pixel count of imaging apparatus increases, if having do not accelerate transfer rate the sequence of movement of camera with regard to slack-off problem.Use the Sip technology can shorten wiring, even thereby the Action clock high speed also can alleviate unwanted radiation.
Dispose sept 64a in the rear side of the shot object image by photographic optical system 2b imaging being carried out the imaging apparatus 61 of opto-electronic conversion.Across this sept 64a, dispose the 1st circuit substrate 62, the 1 circuit substrates 62 at the opposition side of imaging apparatus 61 and comprise the various circuit that constitute by analog signal processing circuit 201, A/D change-over circuit 202, temporary-storage circuit 203 and imaging apparatus drive circuit 206 etc.Rear side at the 1st circuit substrate 62 disposes sept 64b, across this sept 64b, disposes the 2nd circuit substrate 63, the 2 circuit substrates 63 at the opposition side of the 1st circuit substrate 62 and comprises interpolating circuit 204, memory circuit 205 and interface circuit.
These imaging apparatus the 61, the 1st circuit substrate the 62, the 2nd circuit substrates 63 and sept 64a, 64b are carried out stacked, and the thin substrates that are configured in the imaging apparatus portion 51 are on the insert (interposer) 66.Each circuit element in imaging apparatus the 61, the 1st circuit substrate 62 and the 2nd circuit substrate 63 is connected with external circuit with electrode 67 via closing line 65 respectively.Surround by encapsulation 69 around each member, and be provided with glass cover 68, thereby inside is maintained at airtight conditions, can prevent the intrusion of dust etc. in the sensitive surface side of imaging apparatus 61.
Below, use Fig. 4 that the main electrical structure of photographing module 100 is described.This photographing module 100 is the devices that are loaded in the camera (not illustrating), in being encased in camera before, installation adjusting device 300 is adjusted action.Below, the state that is installed on this adjusting device 300 is described.
In the lens barrel unit 2 in photographing module 100, dispose photographic optical system 2b as mentioned above, this photographic optical system 2b utilizes lens actuating device 7 to carry out focal adjustments and focus adjustment.The focal position of the photographic optical system 2b that is driven by this lens actuating device 7 and focal length are detected by lens position testing agency 6, and are output to jitter correction computing circuit 216 described later.
On the light path of photographic optical system 2b, dispose the light intensity adjusting mechanism that is subjected to the light light quantity 4 that is used to regulate imaging apparatus 61.As light intensity adjusting mechanism 4, the ND filter of use scalable transmission light quantity and iris apparatus etc.This light intensity adjusting mechanism 4 is connected with light intensity adjusting mechanism 5 and is driven.In addition, light intensity adjusting mechanism 5 and lens actuating device 7 are from the adjusting device 300 or camera body (not illustrating) the reception control signal of photographing module 100 combination and be driven.And the focal position information and the focus information that are detected by lens position testing agency 6 are output to adjusting device 300 or camera body.
In the camera element unit 50 in photographing module 100, on the light path of photographic optical system 2b, dispose IR-cut filter and optical low-pass filter 55.Optical low-pass filter is to be used for by the high fdrequency component of shot object image and the filter that low frequency is passed through, and IR-cut filter is the filter by the infrared light component.
Behind at IR-cut filter and optical low-pass filter 55 disposes imaging apparatus portion 51 on the light path of photographic optical system 2b.In imaging apparatus portion 51, dispose imaging apparatus 61 as mentioned above, 61 pairs of shot object images of imaging apparatus carry out opto-electronic conversion and export analog picture signal.Charge coupled device), CMOS (Complementary Metal Oxide Semiconductor: etc. two-dimentional imaging apparatus complementary metal oxide semiconductors (CMOS)) as imaging apparatus 61, use CCD (Charge Coupled Device:.
Analog signal processing circuit 201 carries out the processing and amplifying of analog picture signal etc., and outputs to A/D change-over circuit 202.A/D change-over circuit 202 converts analog picture signal to numeral, and this view data is outputed to temporary storages 203 such as SDRAM, and temporary storage 203 carries out the interim storage of view data.The view data that is stored in the temporary storage 203 is output to interpolating circuit 204.
As described later, interpolating circuit 204 uses the interpolative data that is stored in the memory circuit 205 to come the view data that is stored in the temporary storage 203 is carried out the interpolative operation processing, remove imaging apparatuss 61 such as picture element flaw defective, photographic optical system scar or adhere to the defective mode of photographic optical system such as dust, output images with high image quality data.Interpolating circuit 204 is connected with memory circuit 205, and this memory circuit 205 is to be used for being stored in the nonvolatile memories of can electricity rewriting such as for example EEPROM that interpolative operation is handled the interpolative data that uses.
In imaging circuit unit 1, be provided with the 1st, the 2nd driving mechanism portion 213 that constitutes by above-mentioned the 1st driving mechanism portion 14 and the 2nd driving mechanism portion 34, imaging apparatus 61 with the face of the light shaft positive cross of photographic optical system 2b in, drive towards the 1st and the 2nd direction (directions X and Y direction) by the 1st, the 2nd driving mechanism portion 213.The amount of movement of the imaging apparatus 61 that is driven by the 1st, the 2nd driving mechanism portion 213 is detected by the 1st, the 2nd position-detection sensor 211.1st, the 2nd position-detection sensor 211 is made of above-mentioned the 1st position-detection sensor 24 and the 2nd position-detection sensor 44.
In imaging circuit unit 1, dispose and be used to detect the shake transducer 215 of shaking etc. the vibration that causes by the cameraman, this shake transducer 215 detects the amount of movement (rotation amount) of the 1st and the 2nd direction (directions X and Y direction), and outputs to jitter correction computing circuit 216.Jitter correction computing circuit 216 is according to coming computing to be used to remove the jitter correction amount of effect of jitter from the amount of jitter information of shake transducer 215 with from the focus information of lens position testing agency 6.
The output of jitter correction computing circuit 216 is connected with jitter correction drive circuit 217, according to from the positional information of the 1st, the 2nd position-detection sensor 211 with from the control signal of imput output circuit 317, drive control signal is outputed to the 1st, the 2nd driving mechanism 213.
Adjusting device 300 is the devices that carry out the various adjustment actions of photographing module 100, as adjusting one of action, obtain interpolative data from view data based on the output of imaging apparatus 61, this interpolative data for the scar of the defective that obtains to have removed imaging apparatuss such as picture element flaw 61, photographic optical system or the view data after adhering to the influence of defective mode of photographic optical system such as dust use.When adjusting, as shown in Figure 5, Figure 33 1 is measured in the configuration of the place ahead of the photographic optical system 2b in photographing module 100, uses 333 pairs of backlights to throw light on by mensuration figure from the back side.
Be provided with the CPU301 of the sequential control that is used to carry out adjusting device 300 in adjusting device 300, CPU 301 is connected with data/address bus 303.On this data/address bus 303, be connected with image processing circuit 311, SDRAM control circuit 313, imput output circuit 317, switch testing circuit 319 and video signal output circuit 323.The output of imput output circuit 317 input interpolating circuits 204 is carried out the numeral of DID and is amplified various image processing such as (digital gain adjustment processing), color correction, gamma (γ) correction, contrast correction.
Use Fig. 6 that the assembling procedure of the photographing module 100 of the present embodiment of such formation is described.At first, the SIP that carries out the imaging apparatus portion 51 of structure shown in Figure 3 installs (#1).Next, imaging apparatus portion 51 is installed in (#3) on the flexible printing substrate 52.And, carry out the assembling (#5) of the mobile unit 80 (move frame 11 and the 2nd and move frame 31 etc. and constitute) beyond imaging apparatus portion 51 and the flexible printing substrate 52 by being fixedly installed on the 1st on the pedestal 10.
Next, carry out the assembling (#7) of the imaging circuit unit 1 that constitutes by above-mentioned imaging apparatus portion 51, flexible printing substrate 52, mobile unit 80 etc.And, carry out the assembling (#9) of the lens barrel unit 2 that constitutes by photographic optical system 2a, lens actuating device 7 etc. simultaneously.Afterwards, lens barrel unit 2 and imaging circuit unit 1 are assembled (#11), so far finish the assembling of photographing module 100.When having assembled photographing module 100, next carry out the adjustment action of photographing module 100, adjust one of action as this, obtain interpolative data, this interpolative data is for the defective that obtains to have removed imaging apparatuss such as picture element flaw 61, photographic optical system scar or the view data after adhering to the influence of defective mode of photographic optical system such as dust and (#13) that use when carrying out interpolative operation.When obtaining interpolative data, detect the looking like etc. of picture, scar of picture that picture element flaw causes, dust according to view data, obtain their position data and kind thereof.
The concept map of the flow chart of the adjustment action of use Fig. 7 and the adjustment action of Fig. 8 describes the obtaining of interpolative data in the adjustment action of the #13 of Fig. 6.At first, as shown in Figure 5, photographing module 100 is connected with adjusting device 300.Next, carry out the initialization (S101) of mobile unit 80.This initialization is by driving the 1st driving mechanism portion 14 and the 2nd driving mechanism portion 34, makes that center in the design of the optical axis of photographic optical system 2b and imaging apparatus portion 51 is roughly consistent carries out.Afterwards, as measuring Figure 33 1, whole colourless look is set and does not have deep or light white print (S103).
Next, CPU 301 indication imaging apparatus drive circuits 206 begin the shooting action, carry out figure photography (S105).When photography finishes, carry out read (S107) of camera data.At this moment, camera data is temporarily stored in temporary storage 203, is sent to SDRAM 315 in the adjusting device 300 via interpolating circuit 204, image processing circuit 311 etc. afterwards.Afterwards, obtain the locations of pixels that the pixel output that white print has been carried out making a video recording is lower than setting, carry out the detection (S109) of stain coordinate.The camera data of white print should be roughly the same value, yet when imaging apparatus 61 or photographic optical system defectiveness or defective mode, this pixel is output as exceptional value, shown in Fig. 8 (A), (B), is stain 351,352, black flour 353, black line 354,355.
That is, stain the 351, the 352nd has the situation of picture element flaw, in this case, only has the output of the pixel of picture element flaw to descend, and becomes stain.This moment stain pixel coordinate in the example of Fig. 8 (A), detect (X1, Y1) and (X2, Y2).Black flour 353 is the situations of adhering to dust in photographic optical system 2b, and in this case, the light quantity of adhering to the part of dust descends, thereby pixel output decline, becomes black flour.Cover black flour 353 this moment tetragonal cornerwise to angular coordinate in the example of Fig. 8 (B), detect (X1, Y1) and (X2, Y2).
When the detection of stain coordinate finishes, next differentiate the kind (S111) of these stain coordinates.Differentiate in the following manner.Pixel output in 1 pixel only is lower than under the situation of setting, is judged as the such picture element flaw of stain 351,352, gives " 1 " as differentiating data.And, be lower than under the situation of setting in a plurality of pixels output of adjacency, be judged as the such image degradation that causes by dust of black flour 353, give " 2 " as differentiating data.And, be lower than under the situation of setting along oblique line pixel output, be judged as the such image degradation that causes by scar of black line 354, give " 3 " as differentiating data.Be lower than under the situation of setting along vertical line pixel output, be judged as the such sense wire defective of black line 355, giving " 4 " as differentiating data.
Judge when the picture element flaw of step S111, dust, scar and next to store generation (S113) when finishing with data.Stain coordinate that the interpolative data handle of this storage usefulness is obtained in step S109 and the differentiation data of obtaining in step S111 are as set.For example, stain 351 is picture element flaws since its position (X1, Y1), thereby as interpolative data be (1, X1, Y1).Like this, generate the interpolative data that constitutes by coordinate of in step S109 and S111, obtaining and kind.
When the generation of the interpolative data of storage usefulness finishes, next interpolative data is sent to memory circuit 205 (S113) in the photographing module 100.Because memory circuit 205 is made of the nonvolatile memory of can electricity rewriting, thereby when stored the interpolation coordinate data,, also be stored adjusting the data of obtaining in moving even power supply disconnects.
When above adjustment release, carry out the interpolative data that interpolative operation uses by interpolating circuit 204 and be stored in the memory circuit 205.Interpolating circuit 204 uses this interpolative data, to carrying out interpolative operation, obtain having proofreaied and correct the view data after the image degradation that causes by the defective of imaging apparatus 61, dust among the photographic optical system 3b or scar based on view data from the picture signal of imaging apparatus 61.
Below, use Fig. 9 that the interpolative operation of interpolating circuit 204 is described.Carrying out this interpolative operation is to be in following state, takes off photographing module 100 from adjusting device 300 that is:, and it is encased in the digital camera, finishes digital camera.Interpolative operation is in response to beginning action from the indication of the CPU of the control usefulness in the digital camera main body.When receiving sign on, interpolating circuit 204 reads in interpolative data (S121) from memory circuit 205.
When reading in end, judge next whether interpolative data is final data (S123).As mentioned above, interpolative data constitutes according to the set of each stain by stain coordinate and differentiation data, reads out in turn according to each stain and carries out interpolative operation.After the judgement, return reaching under the situation of final data, on the other hand, do not reaching under the situation of final data, enter step S125, judge whether the differentiation data in the interpolative data are " 1 ".
After the judgement, be under the situation of " 1 " differentiating data, owing to be the such picture element flaw of stain 351, thereby enter step S133, (X Y) proofreaies and correct according to the stain coordinate in the interpolative data.Correction is to become stain coordinate pixel data before to carry out by direct replacement.In addition, correction is not limited thereto, and the mean value that the pixel data before and after the stain coordinate is for example arranged is the whole bag of tricks of the mean value of pixel up and down etc.When the correction of step S133 finishes, get back to step S121, carry out reading in of interpolative data next time.
When differentiate data in step S125 is not under the situation of " 1 ", enters step S127, and whether differentiate data is the judgements of " 2 ".After the judgement, be under the situation of " 2 ", enter step S135, carry out interpolative operation differentiating data.Differentiating data is under the situation of " 2 ", owing to be the picture that black flour 353 such dusts cause, thereby to the coordinate at four jiaos the diagonal angle in the zone that light quantity is descended, promptly (X1 is Y1) with (X2, scope Y2) is carried out interpolative operation.Interpolative operation is to use the pixel data up and down in this zone to average respectively that computing do not carry out.When the correction of step S135 finishes, get back to step S121, carry out reading in of interpolative data next time.
When differentiate data in step S127 is not under the situation of " 2 ", enters step S129, and whether differentiate data is the judgements of " 3 ".After the judgement, be under the situation of " 3 ", enter step S137, carry out interpolative operation differentiating data.Differentiating data is under the situation of " 3 " owing to be the scar of the such photographic optical system of black line 354, thereby along the line that light quantity is descended, (X1 is Y1) with (X2, the line that Y2) forms carries out interpolative operation promptly to connect coordinate.Interpolative operation is to use the pixel data up and down of this line to average respectively that computing obtains.When the correction of step S137 finishes, get back to step S121, carry out reading in of interpolative data next time.
When differentiate data in step S129 is not under the situation of " 3 ", enters step S131, and whether differentiate data is the judgements of " 4 ".After the judgement, be under the situation of " 4 ", enter step S139, carry out interpolative operation differentiating data.Differentiating data is under the situation of " 4 ", owing to be that black line 355 such lines are read defective, thereby pixel is exported the line of decline, promptly (X1 is Y1) with (X1, the vertical line that Y2) is formed by connecting carries out interpolative operation by coordinate along making owing to this defective.Interpolative operation be to use this vertical line about pixel data average respectively that computing obtains.When the correction of step S139 finished, perhaps differentiating data in step S131 was not under the situation of " 4 ", gets back to step S121, carries out reading in of interpolative data next time.
The output of the imaging apparatus 61 in the photographing module 100 is carried out the A/D conversion by A/D change-over circuit 202, is temporarily stored afterwards in temporary storage 203.204 pairs of interpolating circuits should interim storage view data carry out interpolative operation, remove the deterioration that causes by the dust of picture element flaw, photographic optical system or scar etc.Therefore, can not carry out any correction etc. in digital camera side from photographing module 100 output images with high image quality data.
As mentioned above, photographing module 100 in an embodiment of the invention makes the simple unit 2 of lens mirror and imaging circuit unit 1 integrated, in this imaging circuit unit 1, be provided with the imaging apparatus portion 51 of shot object image as DID output, this imaging apparatus portion 51 has: imaging apparatus 61, and it carries out opto-electronic conversion to shot object image; A/D change-over circuit 202, its output signal to this imaging apparatus is carried out digital translation; Memory circuit 205, the locations of pixels information (coordinate information) of the output exception value in a plurality of pixels of its storage imaging apparatus 61; And interpolating circuit 204, it utilizes the output of its neighboring pixel that interpolation is carried out in the pixel output of the output correspondence of A/D change-over circuit 202 according to the information that is stored in this memory circuit 205.Therefore, at the main body side of digital camera,, also can obtain to have removed the images with high image quality data of influence of the defective mode of the defective of imaging apparatus 61 or photographic optical system even do not adjust.And,, can not discard yet and can utilize interpolative data to use even under the situation of the defective mode by check finding picture element flaw or photographic optical system after the assembling of photographing module 100.
And, in the present embodiment,, store the differentiation data of kind of the defective of expression defective of imaging apparatus or photographic optical system, thereby when carrying out interpolative operation, can handle by simple operation as interpolative data.
And in the present embodiment, interpolative data is stored in the nonvolatile memory, even thereby the power supply of memory circuit 205 stop, can not lose interpolative data yet.And nonvolatile memory can be rewritten by electricity, thereby easily according to each change of product interpolative data.
And in the present embodiment, each chip substrate in the imaging apparatus portion 51 uses SIP (encapsulation in the system) installation to constitute.Therefore, the circuit miniaturization of imaging apparatus periphery can be made, can with the member storage of needs in lens barrel, the miniaturization of photographing module integral body can be realized.And the imaging apparatus and the drive circuit thereof that carry out the high speed signal transmission use short wiring to be connected with control circuit, thereby have the effect of minimizing by unwanted radiation-induced noise.
In addition, in the present embodiment, imaging apparatus portion 51 adopts SIP to install, i.e. the chip stacking of stacked die, however be not limited thereto, for example can certainly be chip accumulation type.And, as interpolative data, stain coordinate and the both sides that differentiate data are stored in the memory circuit 205, yet are not limited thereto, also can storage representation because defectiveness or defective mode need or 4 points in the zone of interpolation at 2, omit the differentiation data.In this case, although arithmetic speed descends, can use the same interpolative operation formula to obtain.
And, in the present embodiment, have the 1st driving mechanism 14 that jitter correction uses and the 2nd driving mechanism 34 etc., and when the initialization of mobile unit, utilized these mechanisms.Yet, under the situation of the photographing module that does not have the mechanism that jitter correction uses, also can driving mechanism be set, and manually move it in the adjusting device side.
When the explanation embodiments of the present invention, enumerated the photographing module that digital camera is used, yet digital camera can be the digital camera of single transoid or compact etc. any one, and the present invention also can be applied to be encased in the electronic image pickup device in the picture pick-up device beyond these digital cameras certainly.
Claims (9)
1. photographing module, this photographing module makes lens unit and imaging circuit unit integral, it is characterized in that,
The said lens unit comprises the photographic optical system that makes the shot object image imaging;
Above-mentioned imaging circuit unit comprises the imaging apparatus encapsulation of shot object image as DID output;
Above-mentioned imaging apparatus encapsulation comprises:
Imaging apparatus, it has a plurality of pixels of shot object image being carried out opto-electronic conversion;
The A/D change-over circuit, the output signal of its above-mentioned imaging apparatus converts digital signal to; And
Correcting circuit, its above-mentioned A/D change-over circuit output valve to the pixel of the output exception value in above-mentioned a plurality of pixels of above-mentioned imaging apparatus is proofreaied and correct.
2. photographing module, this photographing module makes lens unit and imaging circuit unit integral, it is characterized in that,
The said lens unit comprises the photographic optical system that makes the shot object image imaging;
Above-mentioned imaging circuit unit comprises the imaging apparatus encapsulation of shot object image as DID output;
Above-mentioned imaging apparatus encapsulation comprises:
Imaging apparatus, it has a plurality of pixels of shot object image being carried out opto-electronic conversion;
The A/D change-over circuit, the output signal of its above-mentioned imaging apparatus converts digital signal to;
Memory circuit, it stores the control information of above-mentioned imaging apparatus and/or said lens unit; And
Correcting circuit, it proofreaies and correct above-mentioned A/D change-over circuit output valve according to the information that is stored in the above-mentioned memory circuit.
3. photographing module according to claim 2 is characterized in that, above-mentioned control information is the information of the interior locations of pixels that has defective of a plurality of pixels of the above-mentioned imaging apparatus of expression.
4. photographing module according to claim 2 is characterized in that, above-mentioned control information is the optical correction information that is used to proofread and correct the defective mode of the photographic optical system in the said lens unit.
5. photographing module according to claim 3 is characterized in that,
The defect kind of the above-mentioned pixel of above-mentioned memory circuitry stores;
Above-mentioned correcting circuit is according to above-mentioned defect kind decision operation method.
6. according to any described photographing module in the claim 2,3,5, it is characterized in that above-mentioned correcting circuit carries out interpolative operation according to the above-mentioned A/D change-over circuit output valve of the neighboring pixel of the above-mentioned pixel that has a defective.
7. according to any described photographing module in the claim 2～6, it is characterized in that above-mentioned memory circuit is a nonvolatile memory.
8. the adjusting device of a photographing module, this adjusting device can be connected with the photographing module that makes lens unit with the imaging circuit unit integral, it is characterized in that, and this adjusting device has:
The control information arithmetic element, it carries out the output of the imaging apparatus of opto-electronic conversion to shot object image according to being configured in above-mentioned imaging circuit unit, detection is by the exceptional value of the defective mode output that cause, above-mentioned imaging apparatus of the defective of the above-mentioned imaging apparatus in the above-mentioned imaging circuit unit and/or the photographic optical system in the said lens unit, obtains the control information that the defective mode of the defective of above-mentioned imaging apparatus and/or above-mentioned photographic optical system is proofreaied and correct; And
Transmitting element, it will send to the memory circuit that is configured in the above-mentioned photographing module by the above-mentioned control information that above-mentioned control information arithmetic element is obtained.
9. the adjusting device of photographing module according to claim 8 is characterized in that,
This adjusting device also has the lighting unit that subject is evenly thrown light on;
When above-mentioned lighting unit threw light on to subject and makes subject brightness become even, above-mentioned control information arithmetic element was obtained control information.
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| JP2007019092A JP2008187438A (en) | 2007-01-30 | 2007-01-30 | Imaging module, and adjusting device |
| JP2007019092 | 2007-01-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102572273A (en) * | 2010-12-21 | 2012-07-11 | 株式会社日立制作所 | Imaging device |
| CN104782112A (en) * | 2012-12-10 | 2015-07-15 | 英特尔公司 | Techniques for rectification of camera arrays |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5400504B2 (en) * | 2009-07-03 | 2014-01-29 | キヤノン株式会社 | Imaging apparatus, image processing apparatus, control method, and program |
| WO2011059122A1 (en) * | 2009-11-10 | 2011-05-19 | (주)이즈미디어 | Camera module test and focus controlling apparatus |
| WO2018176261A1 (en) * | 2017-03-29 | 2018-10-04 | 深圳配天智能技术研究院有限公司 | Method for determining detection parameter, and detection device |
| JP6832224B2 (en) * | 2017-04-28 | 2021-02-24 | 株式会社デンソーテン | Adhesion detection device and deposit detection method |
| JP7263028B2 (en) * | 2019-01-28 | 2023-04-24 | キヤノン株式会社 | Imaging device and its control method |
-
2007
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102572273A (en) * | 2010-12-21 | 2012-07-11 | 株式会社日立制作所 | Imaging device |
| CN102572273B (en) * | 2010-12-21 | 2015-08-05 | 日立产业控制解决方案有限公司 | Camera head |
| CN104782112A (en) * | 2012-12-10 | 2015-07-15 | 英特尔公司 | Techniques for rectification of camera arrays |
| CN104782112B (en) * | 2012-12-10 | 2018-11-13 | 英特尔公司 | Device, method, system and equipment for adjusting video camera array |
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