CN1527125A - Electronic camera apparatus - Google Patents
Electronic camera apparatus Download PDFInfo
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- CN1527125A CN1527125A CNA2004100069963A CN200410006996A CN1527125A CN 1527125 A CN1527125 A CN 1527125A CN A2004100069963 A CNA2004100069963 A CN A2004100069963A CN 200410006996 A CN200410006996 A CN 200410006996A CN 1527125 A CN1527125 A CN 1527125A
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Abstract
The electronic imaging apparatus is equipped with a photographic optical system 12a which forms the optical image of a subject, an imaging device 27 which converts the optical image formed by the photographic optical system 12a into an electric signal, a dust-proof filter 21 which is arranged between the photographic optical system 12a and the imaging device 27 and which prevents dust or the like from being deposited on the photoelectric conversion surface of the imaging device 27 and a microcomputer 150 which makes the dust-proof filter 21 perform a dust removing operation by vibrating the filter 21 at prescribed frequencies and a camera operating switch SW 152 which can set a plurality of recording modes concerned with picture quality. Moreover the computer 150 makes the filter 21 perform the dust removing operation by vibrating the filter 21 by being linked with the photographing operation by the device 27 when a high-quality recording mode is set.
Description
Technical field
The present invention relates to electronic image pickup device, be specifically related to have the electronic image pickup device that to remove attached to the dust reduction capability of the dust on the component parts of for example camera arrangement etc.
Background technology
In the past, as an example of the technology relevant, proposed a kind ofly to brush lightly technology attached to the dust on this dustproof glass by cover glass (dustproof glass) vibration that makes the protection imaging apparatus with the dust reduction capability of the optical devices that use in the electronic image pickup device.For example, there is the spy to open the technology that discloses in 2002-204379 number, wherein uses piezoelectric element as the unit that makes the dustproof glass vibration.This piezoelectric element is reacted to the voltage that is applied and is flexible, with 1 cycle of stipulating the dustproof glass of being installed is added and shakes.
In addition, in electronic image pickup device, there is the pattern that to photograph according to various picture qualities (recording pixel number, compression of images rate etc.).The user can purposes such as use with, homepage according to printing with the processing of, personal computer, with the picture quality of the expecting action of photographing.The user can obtain image data of high image quality by removing the dust of dustproof glass.
Yet when the user had selected to be subjected to hardly low image quality that dust influences, dust is removed action became useless action.Under specific photography situation, also to guarantee to take number even reduce the picture quality user.Under this situation, do not wish that all carry out dust when photographing action removes action at every turn.This is because along with dust is removed action, has consumed the electric energy that the battery of electric power is provided to camera arrangement, can not take the number that the user wishes.
And, under other situations, even the user reduces the time that picture quality also will shorten continuous shooting sometimes.By reducing the recording pixel number, shorten the time of the medium of access record view data.Dust under this situation is removed action causes the increase that discharges time lag.As a result, continuous shooting speed is slack-off, does not reach user's purpose.
Summary of the invention
The present invention is conceived to this problem and proposes, and the purpose of this invention is to provide a kind ofly in the electronic image pickup device that can make a video recording by multiple picture quality, can carry out the suitable dust corresponding with selected picture quality and remove the electronic image pickup device of action.
In order to achieve the above object, the electronic image pickup device of the 1st invention has; Photographic optical system, its optical image to subject carries out imaging; Image unit, it comprises the components of photo-electric conversion that are transformed into electric signal by the optical image of above-mentioned photographic optical system imaging; Optical element, it is configured between the above-mentioned photographic optical system and the above-mentioned components of photo-electric conversion, prevents that dust etc. is attached on the photoelectric conversion surface of the above-mentioned components of photo-electric conversion; Control module, it makes above-mentioned optical element carry out dust to remove action by above-mentioned optical element is vibrated with assigned frequency; And setup unit, it can set a plurality of logging modes relevant with picture quality, when having set the high image quality logging mode by above-mentioned setup unit, the shooting action interlock of above-mentioned control module and above-mentioned image unit makes above-mentioned optical element vibration, makes this optical element carry out dust and removes action.
And the 2nd invention is: in the electronic image pickup device according to the 1st invention, above-mentioned high image quality logging mode is the many logging modes of pixel count.
And the 3rd invention is: in the electronic image pickup device according to the 1st invention, above-mentioned high image quality logging mode is the low logging mode of compression of images rate.
And the 4th invention is: in the electronic image pickup device according to the 1st invention, above-mentioned control module made the above-mentioned optical element vibration stipulated time before the shooting action.
And the electronic image pickup device of the 5th invention has: photographic optical system, and its optical image to subject carries out imaging; Image unit, it comprises the components of photo-electric conversion that are transformed into electric signal by the optical image of above-mentioned photographic optical system imaging; Optical element, it is configured between the above-mentioned photographic optical system and the above-mentioned components of photo-electric conversion, prevents that dust etc. is attached on the photoelectric conversion surface of the above-mentioned components of photo-electric conversion; Control module, it makes above-mentioned optical element carry out dust to remove action by above-mentioned optical element is vibrated with assigned frequency; And setup unit, it selectively sets the 1st image record mode and picture quality 2nd image record mode lower than above-mentioned the 1st image record mode of the electronic image that is used to obtain high image quality, when having set above-mentioned the 1st image record mode by above-mentioned setup unit, the shooting action interlock of above-mentioned control module and above-mentioned image unit makes above-mentioned optical element vibration, makes this optical element carry out dust and removes action.
And the 6th invention is: in the electronic image pickup device according to the 5th invention, above-mentioned the 1st image record mode is compared with above-mentioned the 2nd image record mode, and the pixel count of the image of being obtained by above-mentioned image unit is many.
And the 7th invention is: in the electronic image pickup device according to the 5th invention, above-mentioned the 1st image record mode is compared with above-mentioned the 2nd image record mode, and the compressibility of the image of being obtained by above-mentioned image unit is low.
And the electronic image pickup device of the 8th invention has: photographic optical system, and its optical image to subject carries out imaging; Image unit, it comprises the components of photo-electric conversion that are transformed into electric signal by the optical image of above-mentioned photographic optical system imaging; Optical element, it is configured between the above-mentioned photographic optical system and the above-mentioned components of photo-electric conversion, prevents that dust etc. is attached on the photoelectric conversion surface of the above-mentioned components of photo-electric conversion; Control module, it makes above-mentioned optical element carry out dust to remove action by above-mentioned optical element is vibrated with assigned frequency; And setup unit, it can set the 1st image record mode and picture quality 2nd image record mode lower than above-mentioned the 1st image record mode of the electronic image that is used to obtain high image quality, when having set above-mentioned the 1st image record mode by above-mentioned setup unit, above-mentioned control module allows the dust of above-mentioned optical element to remove action, when having been set above-mentioned the 2nd image record mode by above-mentioned setup unit, above-mentioned control module forbids that the dust of above-mentioned optical element removes action.
And the electronic image pickup device of the 9th invention has: photographic optical system, and its optical image to subject carries out imaging; Image unit, it comprises the components of photo-electric conversion that are transformed into electric signal by the optical image of above-mentioned photographic optical system imaging; Optical element, it is configured between the above-mentioned photographic optical system and the above-mentioned components of photo-electric conversion, prevents that dust etc. is attached on the photoelectric conversion surface of the above-mentioned components of photo-electric conversion; Control module, it makes above-mentioned optical element carry out dust to remove action by above-mentioned optical element is vibrated with assigned frequency; And setup unit, it can set a plurality of logging modes relevant with picture quality, and above-mentioned control module is according to the logging mode of being set by above-mentioned setup unit, and the dust that changes above-mentioned optical element is removed the condition of action.
And the 10th invention is: in the electronic image pickup device according to the 9th invention, above-mentioned control module is according to the logging mode of being set by above-mentioned setup unit, and the dust that changes above-mentioned optical element is removed the time of action.
And, the 11st invention is: in the electronic image pickup device according to the 10th invention, when the 1st logging mode is set by above-mentioned setup unit, be set at for the 1st time the actuation time that above-mentioned control module is removed the unit to above-mentioned dust, when picture quality 2nd logging mode higher than above-mentioned the 1st logging mode set by above-mentioned setup unit, be set at 2nd time longer than above-mentioned the 1st time actuation time that above-mentioned control module is removed the unit to above-mentioned dust.
And the 12nd invention is: in the electronic image pickup device according to the 9th invention, above-mentioned control module is according to the logging mode of being set by above-mentioned setup unit, allows or forbids carrying out the action that above-mentioned dust is removed the unit.
Description of drawings
Fig. 1 illustrates the partial cut oblique view that the summary of the embodiment when the present invention is applied to digital camera constitutes.
Fig. 2 illustrates the block scheme that the system of the camera of an embodiment of the invention constitutes.
Fig. 3 takes out the figure that represents to the part of the image unit 15 in the camera 1 of present embodiment, is will partly separate oblique view to what this image unit decomposition was represented.
Fig. 4 takes out the figure that represents to the part of the image unit 15 in the camera 1 of present embodiment, is that the part of this image unit assembled state is cut off the oblique view of representing.
Fig. 5 takes out the figure that represents to the part of the image unit 15 in the camera 1 of present embodiment, is the sectional drawing along the section of Fig. 4.
Fig. 6 only takes out the front view (FV) of representing to dustproof filter 21 in the image unit in this camera 1 15 and the piezoelectric element that is wholely set with it 22.
Fig. 7 illustrates the dustproof filter 21 when the piezoelectric element 22 of Fig. 6 has applied driving voltage and the state variation of piezoelectric element 22, is the sectional drawing along the A-A line of Fig. 6.
Fig. 8 illustrates the dustproof filter 21 when the piezoelectric element 22 of Fig. 6 has applied driving voltage and the state variation of piezoelectric element 22, is the sectional drawing along the B-B line of Fig. 6.
Fig. 9 is the circuit diagram that summary is illustrated in the formation of the dustproof filter driving circuit 140 in illustrated in fig. 2 the electronic image pickup device 1.
Figure 10 is the sequential chart that each signal aspect of each the component parts output from the dustproof filter driving circuit 140 of Fig. 9 is shown.
Figure 11 is used for the process flow diagram that the action to the Bucom150 of according to the embodiment of the present invention camera arrangement describes.
Figure 12 is the figure of the state that changes of the information of picture quality pattern when picture quality mode selection switch of every operation is shown.
Embodiment
Below, with reference to accompanying drawing embodiments of the present invention are described.
Fig. 1 illustrates the partial cut oblique view that the summary of the embodiment when the present invention is applied to digital camera constitutes.
That is, Fig. 1 is a part of cutting off camera body, briefly shows its inner oblique view that constitutes.
The camera 1 of present embodiment is made up of camera body portion 11 and lens unit 12 that split separately constitutes, and the two can freely load and unload this camera body portion 11 and lens unit 12 mutually.
And lens unit 12 remains on inside to the photographic optical system 12a that is made up of a plurality of lens and driving mechanism thereof etc.
This photographic optical system 12a is made of for example a plurality of optical lenses etc., so that by the light beam from subject is seen through, the picture that makes the subject that is formed by this subject light beam is in assigned position (on the photoelectric conversion surface of following imaging apparatus) imaging.
This lens unit 12 is adapted to the front of camera body portion 11 outstanding.In addition, camera body portion 11 is so-called simple lens reflection mode cameras, it has various component parts etc. in inside, and have in its front as the photographic optical system installation portion 11a that links parts, this photographic optical system installation portion 11a is used to load and unload the lens unit 12 that configuration freely is used to keep photographic optical system 12a.
That is to say, substantial middle portion in the front face side of camera body portion 11 is formed with the exposure opening with regulation bore that can be directed to the subject light beam inside of this camera body portion 11, is formed with photographic optical system installation portion 11a in this exposure with the circumference of opening.
And, except being equipped with on the front of this camera body portion 11 the above-mentioned photographic optical system installation portion 11a, also the assigned position of portion, back side portion etc. is equipped with the various functional units that are used to make 11 actions of camera body portion in the above, for example, be used to produce the release-push 17 etc. of the indicator signal that makes photography action beginning etc.
Inside in this camera body portion 11 is equipped with various component parts at assigned position respectively: for example, viewfinder 13, it constitutes so-called viewing optical system; Shutter 14, it has tripper that the subject light beam was controlled to time of the photoelectric conversion surface of imaging apparatus irradiation etc. etc.; Image unit 15, it comprises that the conduct of assigned position of front face side of not making illustrated imaging apparatus and being provided in the photoelectric conversion surface of this imaging apparatus that is used to obtain the picture signal corresponding with the subject picture is used for pre-dust protection etc. and is attached to dustproof filter (being also referred to as dustproof glass) 21 of the dust proof member on this photoelectric conversion surface etc.; With with a plurality of circuit substrates (only main circuit substrate 16 having been made diagram) headed by the main circuit substrate 16 of various electric components that forming circuit is installed etc.
Viewfinder 13 is by constituting with the lower part: restore catoptron 13b fast, the optical axis warpage that it can make through the subject light beam of photographic optical system 12a is directed to the viewing optical system side with it; Pentaprism 13a, it accepts to form upright erect image from this quick light beam that restores catoptron 13b outgoing; And eyepiece 13c etc., this eyepiece 13c imaging is suitable for amplifying the picture of the form of the picture that observation forms by this pentaprism 13a most.
Restoring fast catoptron 13b is constituted as: move freely between the position of the optical axis of avoiding photographic optical system 12a and the assigned position on this optical axis, be configured in the normal state, relative this optical axis has the angle of regulation on the optical axis of photographic optical system 12a, for example angle 45 degree.
Like this, when this camera 1 was in common state, the optical axis of subject light beam that sees through photographic optical system 12a was by quick recovery catoptron 13b warpage, and this light beam is reflected to and is configured in the pentaprism 13a side that this restores catoptron 13b top fast.
On the other hand, when this camera 1 was carried out the photography action, this restored the assigned position that catoptron 13b moves to the optical axis of avoiding photographic optical system 12a fast, and like this, the subject light beam is directed into the imaging apparatus side.
In addition, shutter 14 adopts the identical parts of parts of general using in the tripper of focal plane mode for example and driving circuit thereof etc. and the existing camera etc.
Fig. 2 illustrates the block scheme that the system according to the camera of an embodiment of the invention constitutes.
That is, the camera arrangement of this embodiment mainly constitutes by camera body 11 with as the lens unit 12 of replaceable lens, and required lens unit 12 is installed in the front of camera body 11 with freely loading and unloading.
The control of lens unit 12 is carried out with microcomputer (hereinafter referred to as Lucom) 205 by lens control.
The control of camera body 11 is carried out with microcomputer (hereinafter referred to as Bucom) 150 by main body control.
In addition, when these Lucom205 and Bucom150 are linked together, carry out the electrical connection that to communicate by letter by communications connector 206.
And in this case, as camera arrangement, Lucom205 simultaneously is subordinated to Bucom150 and cooperates, and one side is carried out work.
In addition, in lens unit 12, be provided with photographic optical system 12a and aperture 203.
This photographic optical system 12a is driven by the illustrated direct current motor of not doing that is positioned at lens actuating device 202.
In addition, aperture 203 is driven by the illustrated stepping motor of not doing that is positioned at aperture driving mechanism 204.
Lucom205 is according to controlling these each motor from the instruction of Bucom150.
And, in this camera body 11, be equipped with following component parts as shown in the figure.
For example, be provided with: the component parts (pentaprism 13a restores catoptron 13b fast, eyepiece 13c, secondary catoptron 114) that reflects mode as the simple lens of optical system; Focal plane formula shutter 115 on the optical axis; And the AF sensor unit 116 that is used to accept to carry out automatic range from the folded light beam of above-mentioned secondary catoptron 114.
In addition, be provided with: AF sensor drive driving circuit 117, it carries out drive controlling to above-mentioned AF sensor unit 116; Mirror drive mechanism 118, it carries out drive controlling to above-mentioned quick recovery catoptron 13b; Shutter stored energy mechanism 119, its deposit are used to drive preceding act and the elastic force of back curtain of above-mentioned shutter 115; Shutter control circuit 120, it controls the mobile of these preceding curtains and back curtain; And light measuring circuit 121, it carries out photometry according to the light beam from above-mentioned pentaprism 13a and handles.
On optical axis, be provided with and be used for the subject by above-mentioned optical system is looked like to carry out the imaging apparatus 27 of light-to-current inversion as the components of photo-electric conversion.
In this case, this imaging apparatus 27 is subjected to the protection of dustproof filter 21, and this dustproof filter 21 is the transparent glass member as optical element that are provided between this imaging apparatus 27 and the photographic optical system 12a.
And, as a part that adds the unit that shakes that makes this dustproof filter 21 with assigned frequency vibration, for example, piezoelectric element 22 is installed at the circumference of this dustproof filter 21.
In addition, piezoelectric element 22 has 2 electrodes, and this piezoelectric element 22 can utilize as the dustproof filter driving circuit 140 that adds the unit part of shaking and make dustproof filter 21 vibrations, removes attached to the dust on this glass surface.
In addition, in order to measure the peripheral temperature of imaging apparatus 27, near dustproof filter 21, be provided with temperature measuring circuit 133.
In this camera arrangement, also be provided with: interface circuit 123, it is connected with imaging apparatus 27; LCD monitor 124; SDRAM 125, and it is provided with as storage area; And image process controller 128, it utilizes FlashROM126 and recording medium 127 etc. to carry out Flame Image Process, in this camera arrangement, can provide electro-photographic function and electronical record Presentation Function.
As other storage areas, the non-volatile memory cells as being used to store the required regulation controlled variable of control camera is provided with the nonvolatile memory 129 that for example is made of EEPROM, and it can carry out access by Bucom150.
In addition, be provided with in Bucom150: action shows uses LCD151, and it is used for the operating state of this camera is informed to the user by showing output; And camera operation switch (SW) 152.
Above-mentioned camera operation switch 152 is switches set of the action button that for example comprises that this cameras of operation of release-push, mode altering switch and power switch etc. is required.
But also be provided with: as the battery 154 of power supply; And power circuit 153, its this supply voltage is transformed into the required voltage of each circuit unit of constituting this camera arrangement and this voltage is provided.
Below, the action of the camera arrangement of above-mentioned formation is described.At first, image process controller 128 comes control interface circuit 123 according to the instruction of Bucom150, is taken into view data from imaging apparatus 27.
This view data is transformed into vision signal by image process controller 128, exports demonstration by LCD monitor 124.
The user can confirm captured image from the display image of this LCD monitor 124.
SDRAM125 is the interim preservation storer of view data, the perform region during as the changing image data etc.
In addition, this view data is configured to be stored in after being transformed into jpeg data in the recording medium 127.
Dispose at the circumference of this dustproof filter 21 and to be used for its glass is added the piezoelectric element 22 that shakes, this piezoelectric element 22 is driven by the also dustproof filter driving circuit 140 as the driver element work of this piezoelectric element 22 as following detailed description.
For dustproof, preferably being contained in imaging apparatus 27 and piezoelectric element 22 one with dustproof filter 21 serve as in one side and the housing by the encirclement of the framework shown in the dotted line.
Usually, exert an influence because temperature is a elasticity coefficient to the glass material, the one of the main reasons that its natural frequency is changed, thereby its temperature of instrumentation are in use considered the variation of its natural frequency.
Preferably the temperature variation of the dustproof filter 21 that is provided with for the front of protecting the imaging apparatus 27 that temperature at work sharply rises is measured the natural frequency of prediction this moment.
Therefore, under this routine situation, the sensor (not illustrating) that is connected with said temperature mensuration circuit 133 is provided with for the peripheral temperature of measuring imaging apparatus 27.
In addition, preferably the measuring point for the temperature of this sensor is set in the very near position of vibration plane from dustproof filter 21.
Mirror drive mechanism 118 is used for restoring fast catoptron 13b upwards (UP) position and the mechanism that drives of (DOWN) position down, when this fast restores catoptron 13b at upper/lower positions, cut apart from the light beam of photographic optical system 12a and to be directed to AF sensor unit 116 sides and pentaprism 13a side.
Being sent to Bucom150 from the output of the AF sensor in the AF sensor unit 116 by AF sensor drive driving circuit 117 carries out known range finding and handles.
In addition, the user can from the visual subject of eyepiece 13c of pentaprism 13a adjacency, on the other hand, the part of the light beam by this pentaprism 13a is directed into the optical sensor (not illustrating) in the light measuring circuit 121, carries out known photometry processing according to the light quantity that is detected herein.
Below, the details of the image unit 15 in the camera 1 of present embodiment is described.
Fig. 3, Fig. 4 and Fig. 5 take out the figure represent to the part of the image unit 15 in the camera 1 of present embodiment, and Fig. 3 will partly separate oblique view to what this image unit carried out exploded representation.
In addition, Fig. 4 cuts off the oblique view of representing to the part of this image unit assembled state, and Fig. 5 is the sectional drawing along the section of Fig. 4.
In addition, though the image unit 15 of the camera 1 of present embodiment is as mentioned above, be the unit that constitutes by a plurality of parts that comprise shutter 14, in Fig. 3 to Fig. 5, only keep the diagram of its major part, omit diagram to shutter 14.
In addition, for the position relation of each component parts is shown, in Fig. 3 to Fig. 5, also show main circuit substrate 16 together, this main circuit substrate 16 be arranged on this image unit 15 near, imaging apparatus 27 is installed, the circuit of the camera system that is made of imaging signal processing circuit and working storage etc. also is installed simultaneously.
In addition, this main circuit substrate 16 adopts the main circuit substrate of general using in existing camera etc., thereby omits its explanation with regard to himself details.
Image unit 15 is by constituting with the lower part: imaging apparatus 27, it is made of CCD etc., obtain with the photoelectric conversion surface that shines oneself through photographic optical system 12a on the corresponding picture signal of light; Imaging apparatus fixed head 28, its lamellar parts by this imaging apparatus 27 of fixed support constitute; Optical low-pass filter (Low Pass Filter :) 25 hereinafter referred to as optics LPF, the side that it is provided in the photoelectric conversion surface of imaging apparatus 27 is the optical element that forms in order to remove radio-frequency component from the subject light beam that sees through photographic optical system 12a irradiation; Low-pass filter support unit 26, it is configured in the circumference between this optics LPF25 and the imaging apparatus 27, is formed by elastomeric element that is roughly shaped as frame etc.; Imaging apparatus housing case parts 24 (hereinafter referred to as CCD housing 24), it is adapted to when holding and being maintained fixed imaging apparatus 27 optics LPF25 (optical element) is close to and is supported in its peripheral part to its position nearby, and the regulation position is closely contacted with following dustproof filter support unit 23; Dustproof filter support unit 23, it is configured in the front face side of this CCD housing 24, dustproof filter 21 is close to be supported in its peripheral part to position near it; Dustproof filter 21, it is a dust proof member, is supported by this dustproof filter support unit 23, in the front face side of the optics LPF25 of the photoelectric conversion surface side of imaging apparatus 27, and keeps predetermined distance between this optics LPF25, is configured in assigned position relatively; Piezoelectric element 22, the circumference that it is provided in this dustproof filter 21 is to be used for this dustproof filter 21 is applied adding to shake and using parts of regulation vibration, for example, is made up of electricapparatus inverting element etc.; And pressing component 20 etc., this pressing component 20 is made of the elastic body that is used to make dustproof filter 21 and dustproof filter support unit 23 airtight joints and be maintained fixed.
This imaging apparatus 27 is installed in assigned position on the main circuit substrate 16 across imaging apparatus fixed head 28.
On this main circuit substrate 16, as mentioned above, imaging signal processing circuit and working storage etc. are installed simultaneously, handle by these circuit from the signal of imaging apparatus 27 outputs.
Clip low-pass filter support unit 26 in the front face side of imaging apparatus 27 and be equipped with optics LPF25.
And, be equipped with CCD housing 24, to coat these imaging apparatuss 27, low-pass filter support unit 26 and optics LPF25.
That is to say, in CCD housing 24, partly be provided with the opening 24c of rectangle, in this opening 24c, set optics LPF25 and imaging apparatus 27 from its rear side in substantial middle.
Inner peripheral portion at the rear side of this opening 24c as shown in Figure 4 and Figure 5, is formed with the end difference 24a that section is roughly the L font.
As mentioned above, between optics LPF25 and imaging apparatus 27, be equipped with the low-pass filter support unit 26 that constitutes by elastomeric element etc.
This low-pass filter support unit 26 is provided in the position of avoiding the effective range of its photoelectric conversion surface in the circumference of front face side of imaging apparatus 27, and nearby contacts with the circumference of the rear side of optics LPF25.
And, make between optics LPF25 and the imaging apparatus 27 to keep roughly impermeability.
Thus, by low-pass filter support unit 26 provide to the resilient force of optical axis direction on optics LPF25.
Therefore, by the circumference of the front face side of optics LPF25 being configured to roughly airtight contact of end difference 24a with CCD housing 24, opposing will make the elastic force of this optics LPF25 at the low-pass filter support unit 26 of its optical axis direction displacement, and LPF25 limits in the position of optical axis direction to this optics.
In other words, the optics LPF25 of inside that is inserted into the opening 24c of CCD housing 24 from rear side is carried out the position limit of optical axis direction by the end difference 24a of CCD housing 24.
Thus, this optics LPF25 can not deviate to the outside to front face side from the inside of CCD housing 24.
Like this, be inserted into from rear side as optics LPF25 after the inside of opening 24c of CCD housing 24, set imaging apparatus 27 in the rear side of optics LPF25.
In this case, between optics LPF25 and imaging apparatus 27, clip low-pass filter support unit 26 at circumference.
In addition, imaging apparatus 27 being clipped imaging apparatus fixed head 28 as mentioned above is installed on the main circuit substrate 16.
Then, use screw 28b that the rear side of imaging apparatus fixed head 28 from CCD housing 24 is fixed on the screw hole 24e across pad 28a.
In addition, use screw 16d that main circuit substrate 16 is fixed on the imaging apparatus fixed head 28 across pad 16c.
In the front face side of CCD housing 24, use the screw 23b filter support unit 23 that will prevent dust to be fixed on the screw hole 24b of CCD housing 24.
In this case, at the assigned position of the front face side of the peripheral side of CCD housing 24, as among Fig. 4 and Fig. 5 in detail shown in, form the ring groove 24d that is roughly ring-type.
On the other hand, the assigned position in the rear side of the peripheral side of dustproof filter support unit 23 forms the annular convex 23d corresponding with the ring groove 24d of CCD housing 24 (Fig. 3 illustrates) that is roughly ring-type on whole circumference.
Therefore, cooperate, make CCD housing 24 and dustproof filter support unit 23, that is: be formed with in the zone of ring groove 24d and annular convex 23d and roughly cooperate airtightly mutually at annular section by making annular convex 23d and ring groove 24d.
In addition, circumference in the one side (being rear side in the present embodiment) of dustproof filter 21, use for example piezoelectric element 22 to be set and become one with methods such as bonding agent stickups, this piezoelectric element 22 is the adding to shake and use parts of regulation that are used for this dustproof filter 21 is applied vibration, is formed by electricapparatus inverting element etc.
This piezoelectric element 22 can make dustproof filter 21 produce the regulation vibration by apply the driving voltage of regulation from the outside.
And dustproof filter 21 is maintained fixed by the pressing component 20 that elastic bodys such as adopting laminated spring constitutes, so as with dustproof filter support unit 23 airtight joints.
Substantial middle portion at dustproof filter support unit 23 nearby is provided with circular or polygonal opening 23f.
This opening 23f is configured to make the subject light beam through photographic optical system 12a to pass through, and makes this light beam irradiates be configured in the required enough big size of photoelectric conversion surface of the imaging apparatus 27 at its rear.
At the circumference of this opening 23f, form ring-type roughly to the side-prominent 23e of wall portion (with reference to Fig. 4 and Fig. 5) in front, the front at the 23e of this wall portion further forms support 23c to the front side-prominently.
On the other hand, near the outer peripheral edges portion of the front face side of dustproof filter support unit 23, form a plurality of (being 3 positions in the present embodiment) to the side-prominent protruding part 23a in front at assigned position.
This protruding part 23a is used for fixing the pressing component 20 that keeps dustproof filter 21 and the position that forms in order to fixedly install, and fixed parts such as this pressing component 20 use screw 20a is fixedly installed the leading section of protruding part 23a.
Pressing component 20 is the parts that formed by elastic bodys such as laminated springs as mentioned above, by its base end part is fixed on the protruding part 23a, free end is contacted with the outer peripheral edges portion of dustproof filter 21, and to dustproof filter support unit 23 sides, promptly optical axis direction is pushed this dustproof filter 21.
In this case, the regulation position of the piezoelectric element 22 of the outer peripheral edges portion by making the rear side that is provided in dustproof filter 21 contacts with support 23c, and filter 21 and piezoelectric element 22 limit in the position of optical axis direction to preventing dust.
Like this, dustproof filter 21 is fixed and is held in across piezoelectric element 22 and dustproof filter support unit 23 airtight joints.
In other words, dustproof filter support unit 23 relies on the pressure of pressing component 20, across piezoelectric element 22 and dustproof filter 21 airtight joints.
In addition, as mentioned above, dustproof filter support unit 23 and CCD housing 24 and ring groove 24d and annular convex 23d (with reference to Fig. 4 and Fig. 5) be air-tight fit roughly mutually, meanwhile, dustproof filter support unit 23 and dustproof filter 21 rely on the pressure of pressing component 20, by piezoelectric element 22 airtight joints.
In addition, being provided in optics LPF25 in the CCD housing 24 is adapted between the end difference 24a of the circumference of the front face side of this optics LPF250 and CCD housing 24 and is airtight conditions roughly.
And, in the rear side of optics LPF25, be equipped with imaging apparatus 27 across low-pass filter support unit 26, between optics LPF25 and image unit 27, also keep roughly impermeability.
Like this, in optics LPF25 and dustproof filter 21 opposed spaces, be formed with the space part 51a of regulation.
In addition, by the peripheral side of optics LPF25, that is: CCD housing 24, dustproof filter support unit 23 and dustproof filter 21 form spatial portion 51b.
This spatial portion 51b forms the seal cavity (with reference to Fig. 4 and Fig. 5) that stretches out to the outside of optics LPF25.
In addition, this spatial portion 51b is configured to the space than space part 51a spaciousness.
And the space of being made up of space part 51a and spatial portion 51b is by aforesaid CCD housing 24, dustproof filter support unit 23, dustproof filter 21 and the optics LPF25 seal cavity 51 of gas-tight seal roughly.
Like this, in the image unit 15 in the camera of present embodiment, constitute hermetically-sealed construction portion, the sealing structural portion forms roughly airtight seal cavity 51, and sealing space 51 is formed on the periphery of optics LPF25 and dustproof filter 21, comprises space part 51a.
And the sealing structural portion is arranged on the position of the periphery of optics LPF25 to its outside nearby.
And, in the present embodiment, by constituting hermetically-sealed construction portion as the dustproof filter support unit 23 of the 1st parts with as CCD housing 24 of the 2nd parts etc., should dustproof filter support unit 23 dustproof filter 21 be close to and be supported in its peripheral part to position near it, this CCD housing 24 is adapted to optics LPF25 is close to and is supported in its peripheral part to its position nearby, closely contacts with dustproof filter support unit 23 at the regulation position of oneself simultaneously.
In the camera of the present embodiment of above-mentioned formation, by the dustproof filter 21 of arranged opposite on the assigned position of the front face side of imaging apparatus 27, seal cavity 51 sealings of the periphery of the photoelectric conversion surface of imaging apparatus 27 and dustproof filter 21 will be formed on, on the photoelectric conversion surfaces attached to imaging apparatus 27 such as advance preventing dust.
And, in this case, apply periodic voltage by the piezoelectric element 22 that becomes one to the circumference that is adapted to and should dustproof filter 21, dustproof filter 21 is applied the regulation vibration, can remove and expose dust on the face etc. attached to the front face side of dustproof filter 21.
Fig. 6 is that the piezoelectric element 22 that only is wholely set the dustproof filter 21 in the image unit in this camera 1 15 with this dustproof filter 21 takes out the front view (FV) of representing.
In addition, Fig. 7 and Fig. 8 show the dustproof filter 21 when the piezoelectric element 22 of Fig. 6 has applied driving voltage and the state variation of piezoelectric element 22, and Fig. 7 is the sectional drawing along the A-A line of Fig. 6, and Fig. 8 is the sectional drawing along the B-B line of Fig. 6.
Herein, for example, when applied negative (minus to piezoelectric element 22;-) during voltage, dustproof filter 21 deforms shown in the solid line among Fig. 7 and Fig. 8, on the other hand, when having applied just (Plus to piezoelectric element 22; +) during voltage, dustproof filter 21 deforms shown in the dotted line among these figure.
In this case, because by the vibration node position shown in the reference marks 21a of Fig. 6 to Fig. 8, amplitude essence is zero, thereby sets the support 23c that makes dustproof filter support unit 23 for and contact with position corresponding to this joint 21a.
Like this, can support dustproof filter 21 efficiently, and not hinder the vibration of dustproof filter 21.
And, under this state,, apply periodic voltage to piezoelectric element 22 by the dustproof filter driving circuit 140 of control at the appointed time, make dustproof filter 21 vibrations, remove attached to these dustproof filter 21 lip-deep dusts etc.
In addition, Ci Shi resonance frequency is decided by shape, thickness and the material etc. of dustproof filter 21.
Though to example shown in Figure 8, show the situation that 1 vibration takes place at above-mentioned Fig. 6, be not limited thereto, the high order vibration also can take place.
Fig. 9 is the physical circuit figure of above-mentioned dustproof filter driving circuit 140.Figure 10 is the oscillogram of the signal that produces in each one of Fig. 9.
Dustproof filter driving circuit 140 is such as illustrated in Figure 9, by constituting with the lower part: N system counter 241; 1/2 frequency dividing circuit 242; Phase inverter 243; A plurality of MOS transistor (Q00, Q01, Q02) 244a, 244b, 244c; Transformer 245; And resistance (R00) 246.
It constitutes the on/off change action by transistor (Q01) 244b that is connected with 1 side of above-mentioned transformer 245 and transistor (Q02) 244c, produce the signal (Sig4) of specified period in 2 sides of transformer 245, signal according to this specified period comes drive pressure electric device 22, makes dustproof filter 21 carry out resonance.
Bucom150 controls dustproof filter driving circuit 140 in the following manner by 2 IO port P_PwCont being provided with as control port and D_NCnt and at the inner clock generator 255 that exists of this Bucom150.Clock generator 255 outputs to N system counter 241 to pulse signal (basic clock signal) with the frequency enough faster than the signal frequency that will impose on piezoelectric element 22.
This output signal is the signal Sig1 of the waveform represented of the sequential chart among Figure 10.Then, this basic clock signal is imported into N system counter 241.
241 pairs of these pulse signals of N system counter are counted, and when reaching setting " N ", the output counting finishes pulse signal.That is, basic clock signal is carried out the 1/N frequency division.This output signal is the signal Sig2 of the waveform represented of the sequential chart among Figure 10.
The dutycycle of the height of the pulse signal behind this frequency division (High) and low (Low) is not 1: 1.Therefore, by 1/2 frequency dividing circuit 242 dutycycle was transformed into 1: 1.In addition, the signal Sig3 of the waveform represented of the pulse signal after this conversion and the sequential chart among Figure 10 is corresponding.
Under the high state of the pulse signal after this conversion, MOS transistor (Q01) 244b that has imported this signal connects.On the other hand, this pulse signal is applied in to transistor (Q02) 244c via phase inverter 243.Therefore, under the low state of pulse signal, transistor (Q02) 244c that has imported this signal connects.If transistor (Q01) 244b that is connected with 1 side of transformer 245 and transistor (Q02) 244c alternately connect, then at the periodic signal of 2 side generations shown in the signal Sig4 among Figure 10.
The ratio of winding of transformer 245 is decided by the unit output voltage of power circuit 153 and the required voltage of driving of piezoelectric element 22.And resistance (R00) the 246th is provided with in order to limit super-high-current inflow transformer 245.
When drive pressure electric device 22, transistor (Q00) 244a is in on-state, must apply voltage to the center tap of transformer 245 from power circuit 153.Among the figure, carry out the on of transistor (Q00) 244a by IO port P_PwCont.Can set the setting value " N " of N system counter 241 by IO port D_NCnt, therefore, Bucom150 can change the driving frequency of piezoelectric element 22 arbitrarily by suitably controlling setting value " N ".
Can use following formula to calculate above-mentioned driving frequency herein.
Fdrv=fpls/2N ... (formula 1)
In the formula, N: to the setting value of counter
Fpls: the output pulse frequency of clock generator
Fdrv: the frequency of the signal that applies to piezoelectric element
And, carry out computing by the CPU (control module) of Bucom150 based on this formula 1.
Figure 11 is used for the process flow diagram that the action to the Bucom150 of camera arrangement of the present invention describes.
In case the power switch to camera has been made making operation, then Bucom150 starts working.At step S100, carry out the processing that is used to start this camera arrangement.Control power circuit 153 provides electric power to each circuit unit that constitutes this camera arrangement.Carry out the initial setting of each circuit in addition.
Step S101 is used to detect the step of lens unit 12 with respect to the loading and unloading of camera.Lens unit 12 has been installed to the loading and unloading that detect on the camera body 11 has detected action, checked the loading and unloading state of lens unit 12 by carrying out periodical communication with Lucom205.At step S102, judge whether lens unit 12 has been installed on the camera body 11, has been installed on the camera body 11 if detect lens unit 12, then forwards step S103 to from step S102, carry out dust and remove action.At step S103, the piezoelectric element 22 that is arranged on the dustproof filter 21 is driven the stipulated time (T0) with resonance frequency (f0).For drive pressure electric device 22, the value that N system counter 241 is set is stored in the nonvolatile memory 129.In order to remove, also be stored in the nonvolatile memory 129 dustproof filter 21 being added the time (T0) of shaking attached to the dust on the dustproof filter 21.Carry out dust according to these data and remove action.When changing lens unit 12, the camera installation portion is exposed to the outside, and extraneous air flow in the reflection mirror case.At this moment, dust enters and attached on the dustproof filter 21.Therefore, driving time (T0) must long enough.Behind execution in step S103, turn back to step S101.
On the other hand, be not installed on the camera body 11, then forwarded step S104 to from step S102 if detect lens unit 12 at step S102.Step S104 is the action step of the state of camera operation switch 152 being carried out the periodicity supervision.Judged whether to operate the picture quality mode selection switch of one of camera operation switch 152 at step S105,, forwarded step S106 to from step S105 when detecting when having operated the picture quality mode selection switch.
At step S106,, can carry out the selection action of 4 kinds of picture quality patterns in the still image photography and the selection action of dynamic image photography by operation picture quality mode selection switch.The name of these 4 kinds of picture quality patterns is called LAW, SHQ, HQ, SQ, and the name of dynamic image photography is called MOVIE.
Wherein, the LAW pattern is that the view data of reading from imaging apparatus 27 is not carried out pixel count conversion and the logging mode of compression processing with regard to writing down.Therefore, the LAW pattern in 4 kinds of patterns, the quantity of information maximum of view data.
SHQ pattern and HQ pattern are the pixel data logging modes of record just that does not reduce the imaging apparatus 27 that electronic image pickup device has.But compressibility is different.The SHQ pattern is compressed to the laggard line item in 1/3 left and right sides to the data volume of view data, and the HQ pattern is compressed to the laggard line item in 1/8 left and right sides to the data volume of view data.
Because this data compression rate difference, the picture quality of the document image of SHQ pattern is better than the document image of HQ pattern.In the SQ pattern, after reducing pixel data, carry out compressed action by the pixel count conversion.Therefore, picture quality is LAW, SHQ, HQ, SQ from getting well to the order that differs from.The quantity of information of view data order from big to small is LAW, SHQ, HQ, SQ.
Because the MOVIE pattern is used to carry out the dynamic image photography, the quantity of information of view data increases.Therefore, compare with still image, every pixel count reduces.And, view data is also compressed.Therefore, picture quality is than static map aberration.
Picture quality mode selection switch of every operation, the picture quality pattern just changes as shown in figure 12.For example, suppose that the picture quality pattern is set to SHQ.Under this state, if operation picture quality mode selection switch then is set at HQ the picture quality pattern.Selected pattern is stored in the predetermined memory as the information of picture quality pattern.Behind execution in step S106, turn back to step S101.
On the other hand, when when step S105 does not operate the picture quality mode selection switch, forward step S107 immediately to.At step S107, the mode of operation of the 1st release-push of one of camera operation switch 152 is judged.When having carried out the operation of the 1st release-push, forward step S108 to, when not operating, turn back to step S101.
At step S108, obtain the monochrome information of subject from light measuring circuit 121.Then, calculate the time shutter (Tv value) of imaging apparatus 27 and the aperture settings value (Av value) of lens unit 12 according to this information.
At step S109, obtain the detection data of AF sensor unit 116 via AF sensor drive driving circuit 117.Calculate the focus departure according to these data.
At step S110, judge that this departure of calculating whether in allowed band, under the situation of denying, carries out drive controlling at step S111 to the photographic lens among the photographic optical system 12a, turn back to step S101.
On the other hand, when the departure of calculating at step S110 is in allowed band, forward step S112 to.At step S112, the mode of operation of the 2nd release-push of one of camera operation switch 152 is judged.When having carried out the operation of the 2nd release-push, forward step S113 to, when not operating, forward step S101 to.
At step S113, control the aperture of the photographic lens among the photographic optical system 12a according to the Av value of calculating at step S108.At step S114, the quick recovery catoptron 13b position that makes progress is driven.Restore catoptron 13b fast in case drive, the air that then reflects in the mirror case is stirred, and dust, thereby carries out dust and removes action than higher attached to the possibility on the dustproof filter 21 after catoptron upwards drives.
At step S115, judge whether set which kind of pattern then according to the information of picture quality pattern.When having set LAW or SHQ, forward step S116 to from step S115 as the information of picture quality pattern.
Demanding picture quality in LAW and SHQ.Therefore, do not allow dust, must remove dust reliably herein attached on the dustproof filter 21.Therefore, at step S116, remove action with the condition execution identical with step S103.Forward step S118 then to.
And, when in step S115, having set HQ, forward step S117 to from step S115 as the picture quality pattern.At step S117, with frequency (f0) at the appointed time in (T1), dustproof filter 21 added shake.Although driving frequency herein is identical with step S116 all is f0, however the driving time difference.HQ compares poor image quality with LAW with SHQ.Therefore, the dust that there is no need to carry out with LAW and SHQ par is removed action.Therefore, can shorten actuation time.Be T0＞T1.By the shortening time, capable of reducing power consumption and release time lag.This driving time is stored in the nonvolatile memory 29.Behind execution in step S117, forward step S118 to.
And, when in step S115, having set SQ or MOVIE, forward step S118 to from step S115 immediately as the picture quality pattern.SQ, MOVIE compare with HQ, poor image quality.Therefore, even dust what attached on the dustproof filter 21, problem can not take place yet.Therefore, when having selected SQ or MOVIE, forbid that dust removes action.Therefore, in S115, remove action,, forward S118 to when being judged to be the picture quality pattern when being SQ or MOVIE in order to forbid dust.
At step S118, shutter 14 is controlled to be unlatching.At step S119, in the photography action of still image, imaging apparatus 27 is exposed according to the Tv value of calculating at step S108.When having selected the photography action of dynamic image, be taken into dynamic image data from imaging apparatus 27 at the appointed time.At step S120, shutter 14 is carried out closing control.At step S121, drive to upper/lower positions restoring catoptron 13b fast.Give shutter 14 energy storage then.At step S122, the aperture of the photographic lens among the photographic optical system 12a is controlled.At step S123,, the pixel count of reading from imaging apparatus 27 is carried out conversion according to the picture quality pattern.At step S124, carry out the compression of view data according to the picture quality pattern.
At step S125, the view data that is generated is saved in the recording medium 127.
According to above-mentioned embodiment, provide a kind of and carried out the suitable dust corresponding and remove the electronic image pickup device of action with selected picture quality.
According to the present invention, provide a kind of and carried out the suitable dust corresponding and remove the electronic image pickup device of action with selected picture quality.
Claims (12)
1. electronic image pickup device has:
Photographic optical system, its optical image to subject carries out imaging;
Image unit, it comprises the components of photo-electric conversion that are transformed into electric signal by the optical image of above-mentioned photographic optical system imaging;
Optical element, it is configured between the above-mentioned photographic optical system and the above-mentioned components of photo-electric conversion, prevents that dust etc. is attached on the photoelectric conversion surface of the above-mentioned components of photo-electric conversion;
Control module, it makes above-mentioned optical element carry out dust to remove action by above-mentioned optical element is vibrated with assigned frequency; And
Setup unit, it can set a plurality of logging modes relevant with picture quality,
It is characterized in that,
When having set the high image quality logging mode by above-mentioned setup unit, the shooting of above-mentioned control module and above-mentioned image unit action interlock makes above-mentioned optical element vibration, makes this optical element carry out dust and removes action.
2. electronic image pickup device according to claim 1 is characterized in that, above-mentioned high image quality logging mode is the many logging modes of pixel count.
3. electronic image pickup device according to claim 1 is characterized in that, above-mentioned high image quality logging mode is the low logging mode of compression of images rate.
4. electronic image pickup device according to claim 1 is characterized in that, above-mentioned control module made the above-mentioned optical element vibration stipulated time before the shooting action.
5. electronic image pickup device has:
Photographic optical system, its optical image to subject carries out imaging;
Image unit, it comprises the components of photo-electric conversion that are transformed into electric signal by the optical image of above-mentioned photographic optical system imaging;
Optical element, it is configured between the above-mentioned photographic optical system and the above-mentioned components of photo-electric conversion, prevents that dust etc. is attached on the photoelectric conversion surface of the above-mentioned components of photo-electric conversion;
Control module, it makes above-mentioned optical element carry out dust to remove action by above-mentioned optical element is vibrated with assigned frequency; And
Setup unit, it selectively sets the 1st image record mode and picture quality 2nd image record mode lower than above-mentioned the 1st image record mode of the electronic image that is used to obtain high image quality,
It is characterized in that,
When having been set above-mentioned the 1st image record mode by above-mentioned setup unit, the shooting of above-mentioned control module and above-mentioned image unit action interlock makes above-mentioned optical element vibration, makes this optical element carry out dust and removes action.
6. electronic image pickup device according to claim 5 is characterized in that, above-mentioned the 1st image record mode is compared with above-mentioned the 2nd image record mode, and the pixel count of the image of being obtained by above-mentioned image unit is many.
7. electronic image pickup device according to claim 5 is characterized in that, above-mentioned the 1st image record mode is compared with above-mentioned the 2nd image record mode, and the compressibility of the image of being obtained by above-mentioned image unit is low.
8. electronic image pickup device has:
Photographic optical system, its optical image to subject carries out imaging;
Image unit, it comprises the components of photo-electric conversion that are transformed into electric signal by the optical image of above-mentioned photographic optical system imaging;
Optical element, it is configured between the above-mentioned photographic optical system and the above-mentioned components of photo-electric conversion, prevents that dust etc. is attached on the photoelectric conversion surface of the above-mentioned components of photo-electric conversion;
Control module, it makes above-mentioned optical element carry out dust to remove action by above-mentioned optical element is vibrated with assigned frequency; And
Setup unit, it can set the 1st image record mode and picture quality 2nd image record mode lower than above-mentioned the 1st image record mode of the electronic image that is used to obtain high image quality,
It is characterized in that,
When having set above-mentioned the 1st image record mode by above-mentioned setup unit, above-mentioned control module allows the dust of above-mentioned optical element to remove action, when having been set above-mentioned the 2nd image record mode by above-mentioned setup unit, above-mentioned control module forbids that the dust of above-mentioned optical element removes action.
9. electronic image pickup device has:
Photographic optical system, its optical image to subject carries out imaging;
Image unit, it comprises the components of photo-electric conversion that are transformed into electric signal by the optical image of above-mentioned photographic optical system imaging;
Optical element, it is configured between the above-mentioned photographic optical system and the above-mentioned components of photo-electric conversion, prevents that dust etc. is attached on the photoelectric conversion surface of the above-mentioned components of photo-electric conversion;
Control module, it makes above-mentioned optical element carry out dust to remove action by above-mentioned optical element is vibrated with assigned frequency; And
Setup unit, it can set a plurality of logging modes relevant with picture quality,
It is characterized in that,
Above-mentioned control module is according to the logging mode of being set by above-mentioned setup unit, and the dust that changes above-mentioned optical element is removed the condition of action.
10. electronic image pickup device according to claim 9 is characterized in that, above-mentioned control module is according to the logging mode of being set by above-mentioned setup unit, and the dust that changes above-mentioned optical element is removed the time of action.
11. electronic image pickup device according to claim 10, it is characterized in that, when having set the 1st logging mode by above-mentioned setup unit, be set at for the 1st time the actuation time that above-mentioned control module is removed the unit to above-mentioned dust, when having been set picture quality than high the 2nd logging mode of above-mentioned the 1st logging mode by above-mentioned setup unit, be set at 2nd time longer than above-mentioned the 1st time actuation time that above-mentioned control module is removed the unit to above-mentioned dust.
12. electronic image pickup device according to claim 9 is characterized in that, above-mentioned control module is according to the logging mode of being set by above-mentioned setup unit, allows or forbids carrying out the action that above-mentioned dust is removed the unit.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP056216/2003 | 2003-03-03 | ||
| JP2003056216A JP2004264691A (en) | 2003-03-03 | 2003-03-03 | Electronic imaging apparatus |
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| CN1527125A true CN1527125A (en) | 2004-09-08 |
| CN100349063C CN100349063C (en) | 2007-11-14 |
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| CNB2004100069963A Expired - Fee Related CN100349063C (en) | 2003-03-03 | 2004-03-03 | Electronic camera apparatus |
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| CN (1) | CN100349063C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100559841C (en) * | 2004-10-22 | 2009-11-11 | 佳能株式会社 | Optical device and control method thereof |
| CN100593945C (en) * | 2006-08-09 | 2010-03-10 | 佳能株式会社 | Image pickup apparatus, method of controlling the image pickup apparatus |
| CN101622861B (en) * | 2007-07-24 | 2012-03-28 | 佳能株式会社 | Image capturing apparatus, control method therefor |
| CN103312948A (en) * | 2012-03-12 | 2013-09-18 | 华晶科技股份有限公司 | Camera device and vibration dust removal method thereof |
| WO2018014151A1 (en) * | 2016-07-18 | 2018-01-25 | 博立多媒体控股有限公司 | Self-cleaning sunlight receiving device |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4756950B2 (en) * | 2005-08-08 | 2011-08-24 | キヤノン株式会社 | Imaging apparatus and control method thereof |
| JP2007065195A (en) * | 2005-08-30 | 2007-03-15 | Olympus Imaging Corp | Optical device |
| JP2007065193A (en) * | 2005-08-30 | 2007-03-15 | Olympus Imaging Corp | Optical device |
| JP4795286B2 (en) * | 2007-03-23 | 2011-10-19 | キヤノン株式会社 | Imaging device |
| US7990459B2 (en) | 2008-03-06 | 2011-08-02 | Olympus Imaging Corp. | Dust-proof filter unit, image pickup apparatus, and projection-type image display apparatus |
| JP5479085B2 (en) * | 2009-12-28 | 2014-04-23 | 日本電産コパル株式会社 | Focal plane shutter for digital camera and digital camera equipped with the same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001211414A (en) * | 2000-01-27 | 2001-08-03 | Canon Inc | Image pick up device and recorder |
| JP4282226B2 (en) * | 2000-12-28 | 2009-06-17 | オリンパス株式会社 | camera |
-
2003
- 2003-03-03 JP JP2003056216A patent/JP2004264691A/en not_active Withdrawn
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2004
- 2004-03-03 CN CNB2004100069963A patent/CN100349063C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100559841C (en) * | 2004-10-22 | 2009-11-11 | 佳能株式会社 | Optical device and control method thereof |
| CN100593945C (en) * | 2006-08-09 | 2010-03-10 | 佳能株式会社 | Image pickup apparatus, method of controlling the image pickup apparatus |
| CN101622861B (en) * | 2007-07-24 | 2012-03-28 | 佳能株式会社 | Image capturing apparatus, control method therefor |
| CN103312948A (en) * | 2012-03-12 | 2013-09-18 | 华晶科技股份有限公司 | Camera device and vibration dust removal method thereof |
| WO2018014151A1 (en) * | 2016-07-18 | 2018-01-25 | 博立多媒体控股有限公司 | Self-cleaning sunlight receiving device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100349063C (en) | 2007-11-14 |
| JP2004264691A (en) | 2004-09-24 |
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