CN1241398C - Television camera - Google Patents
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- CN1241398C CN1241398C CN 03155197 CN03155197A CN1241398C CN 1241398 C CN1241398 C CN 1241398C CN 03155197 CN03155197 CN 03155197 CN 03155197 A CN03155197 A CN 03155197A CN 1241398 C CN1241398 C CN 1241398C
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Abstract
Provided is image pickup equipment on which an optical system equipped with a variable shape mirror is mounted and which is miniaturized. In the image pickup equipment provided with a lens unit for image pickup 2 in an equipment main body 1, the lens unit is equipped with the 1st and the 2nd variable shape mirrors 5 and 6 whose reflection surface shape is deformed by the application of voltage, a free curved surface lens 4 whose two opposed surfaces are made optical surfaces, and an imaging device 8 receiving the light guided by the variable shape mirror and the free curved surface lens, and constituted so that the 1st variable shape mirror reflecting incident light from the front side of the equipment main body is positioned on the back upper lens surface of the free curved surface lens, the 2nd variable shape mirror reflecting reflected light by the 1st variable shape mirror further is positioned on the front lower lens surface of the free curved surface lens, and the imaging device receiving the reflected light by the 2nd variable shape mirror is positioned on the back lower lens surface of the free curved surface lens.
Description
Technical field
The present invention relates to the picture pick-up device that a kind of employing has the optical system of deformable mirror.
Background technology
Generally, in video camera picture pick-up devices such as (camera), its optical system about mostly equipment integral size and performance.Therefore, not only video camera in order to improve the performance of picture pick-up device, particularly for miniaturization, raising low power capabilities, requires optical system miniaturization, low power consumption usually.Particularly in the field as the camera unit of the digital camera of digital photographing apparatus and mobile phone, this requirement is more strong.
For example, in Japanese kokai publication hei 11-317894 communique, proposed to use deformable mirror, substituted existing member with motor-driven lens mode as the member that solves this optical system miniaturization, low power consumption.This deformable mirror is made of the electrode of the film that constitutes reflecting surface with relative configuration with this film, applies voltage between film and electrode, can the curved shape of the film that constitutes reflecting surface be changed by electrostatic force, adjusts its focal length.And this deformable mirror is characterised in that, compares small-sized and low-power consumption with the motor-driven optical system of existing usefulness, and can not produce the noise of motor-driven sound and drive system.
But, in above-mentioned communique, various schemes have been proposed for deformable mirror itself, in using the picture pick-up device of deformable mirror, particularly in the such picture pick-up device of digital camera, claimed apparatus miniaturization usually.Therefore, the concrete picture pick-up device of deformable mirror is housed,, need takes into full account the miniaturization of equipment in order to realize requiring the equipment of miniaturization, configuration has the Optical devices of deformable mirror and imaging apparatus, and these Optical devices are configured in the interior appropriate location of equipment.
Summary of the invention
The present invention is used to solve above-mentioned problem, and purpose is to provide a kind of picture pick-up device, the Optical devices that possess deformable mirror is housed and can realizes miniaturization.
For solving above-mentioned problem, the picture pick-up device of the present invention's the 1st scheme possesses the optical imaging device, it is characterized in that: above-mentioned Optical devices have: the 1st and the 2nd deformable mirror can make the warpage of reflecting surface by switching on; Free-form surface lens, with 2 relative faces as optical surface; And imaging apparatus, accept the light that imports by the above-mentioned the 1st and the 2nd deformable mirror and free-form surface lens; Among the optical surface of above-mentioned free-form surface lens on the 1st optical surface of picture pick-up device body back side, above-mentioned the 1st deformable mirror that the light by the incident of picture pick-up device body front face side is reflected is set; Among the above-mentioned free-form surface lens optical surface on the 2nd optical surface of picture pick-up device body front face side, above-mentioned the 2nd deformable mirror that the reverberation by the reflection of above-mentioned the 1st deformable mirror is reflected again is set; On the 1st optical surface of above-mentioned free-form surface lens, the catoptrical above-mentioned imaging apparatus with accepting by above-mentioned the 2nd deformable mirror reflection is arranged in juxtaposition at above-below direction with above-mentioned the 1st deformable mirror.
In the picture pick-up device that as above constitutes, 2 deformable mirrors are configured in respectively on 2 relative optical surfaces of free-form surface lens with imaging apparatus, therefore, can realize having miniaturization, realize the picture pick-up device of Optical devices of the low power consumption of efficient layout.
The picture pick-up device of the present invention's the 2nd scheme, it is characterized in that, in the picture pick-up device of the present invention's the 1st scheme, any one in the above-mentioned at least the 1st or the 2nd deformable mirror is configured to comprise the outer peripheral plane of its reflecting surface with respect to this picture pick-up device body bottom surface approximate vertical; In addition, the present invention's the 3rd scheme picture pick-up device is characterized in that, in the picture pick-up device of the present invention the 1st or the 2nd scheme, the shooting face of above-mentioned imaging apparatus is configured to tilt towards the direction perpendicular to this picture pick-up device body bottom surface; In addition, the picture pick-up device of the present invention's the 4th scheme is characterized in that, in the picture pick-up device of the present invention's the 1st to the 3rd arbitrary scheme, between above-mentioned imaging apparatus and above-mentioned picture pick-up device body back case substrate is set.
In each the described picture pick-up device that as above constitutes, can help the thin typeization of picture pick-up device.
The picture pick-up device of the present invention's the 5th scheme is characterized in that, in the picture pick-up device of the present invention's the 1st to the 4th scheme, the face side that does not form optical surface at above-mentioned free-form surface lens possesses the driving electric base that is provided with the above-mentioned the 1st or the 2nd deformable mirror at least.
In the picture pick-up device that as above constitutes, the face side that does not form the free-form surface lens optical surface that can be utilized effectively is come the Optical devices of miniaturization.
The picture pick-up device of the present invention's the 6th scheme has the optical imaging device, it is characterized in that: above-mentioned Optical devices have: deformable mirror can make the warpage of reflecting surface by switching on; Free-form surface lens, with 2 relative faces as optical surface; And imaging apparatus, accept the light that imports by above-mentioned deformable mirror and free-form surface lens; Among the optical surface of above-mentioned free-form surface lens on the 1st optical surface of picture pick-up device body back side, the above-mentioned deformable mirror that the light by the incident of picture pick-up device body front face side is reflected is set; On the 2nd optical surface of picture pick-up device body front face side, the catoptrical above-mentioned imaging apparatus of acceptance by above-mentioned deformation reflection mirror reflection is set.
In the picture pick-up device that as above constitutes, deformable mirror is configured in respectively on 2 relative optical surfaces of free-form surface lens with imaging apparatus, therefore, can make the picture pick-up device of the Optical devices with miniaturization, efficient layout.
The picture pick-up device of the present invention's the 7th scheme is characterized in that, in the picture pick-up device of the present invention's the 6th scheme, the shooting face of above-mentioned imaging apparatus is configured to be basically perpendicular to this picture pick-up device body bottom surface.
In the picture pick-up device that as above constitutes, can realize the slimming of picture pick-up device.
The picture pick-up device of the present invention's the 8th scheme has the optical imaging device, it is characterized in that: above-mentioned Optical devices have: the 1st and the 2nd deformable mirror can make the warpage of reflecting surface by switching on; Lens; And imaging apparatus, the light by the above-mentioned the 1st and the 2nd deformable mirror and lens imaging is carried out opto-electronic conversion; Make light by above-mentioned the 1st deformable mirror, reflect towards the approximate right angle direction by the incident of picture pick-up device body front face side; By above-mentioned the 2nd deformable mirror, further will be by the above-mentioned reverberation of above-mentioned the 1st deformable mirror reflection towards above-mentioned picture pick-up device body back lateral reflection; Catoptrical above-mentioned imaging apparatus with accepting by above-mentioned the 2nd deformable mirror reflection is arranged on the position of above-mentioned picture pick-up device body back side.
In the picture pick-up device that as above constitutes, by the 1st deformable mirror the incident light by the incident of picture pick-up device body front face side is reflected towards the approximate right angle direction, further make this reverberation towards picture pick-up device body back lateral reflection by the 2nd deformable mirror, and be subjected to light by imaging apparatus, therefore, can realize the slimming of picture pick-up device.
The picture pick-up device of the present invention's the 9th scheme has the optical imaging device, it is characterized in that: above-mentioned Optical devices have: the 1st and the 2nd deformable mirror can make the warpage of reflecting surface by switching on; Lens; And imaging apparatus, the light by the above-mentioned the 1st and the 2nd deformable mirror and lens imaging is carried out opto-electronic conversion; Make light by above-mentioned the 1st deformable mirror, reflect towards the approximate right angle direction by the incident of picture pick-up device body front face side; By above-mentioned the 2nd deformable mirror, further will reflect towards above-mentioned picture pick-up device body front face side by the above-mentioned reverberation of above-mentioned the 1st deformable mirror reflection; Catoptrical above-mentioned imaging apparatus with accepting by above-mentioned the 2nd deformable mirror reflection is arranged on the position of above-mentioned picture pick-up device body front face side.
In the picture pick-up device that as above constitutes, by the 1st deformable mirror the incident light by the incident of picture pick-up device body front face side is reflected towards the approximate right angle direction, by the 2nd deformable mirror this reverberation is reflected towards picture pick-up device body front face side, and be subjected to light by imaging apparatus, therefore, can realize the slimming of picture pick-up device.
The picture pick-up device of the present invention's the 10th scheme is characterized in that, in the picture pick-up device of the present invention's the 9th scheme, the shooting face of above-mentioned imaging apparatus is configured to be basically perpendicular to this picture pick-up device body bottom surface.
In the picture pick-up device that as above constitutes, can realize the slimming of picture pick-up device.
The picture pick-up device of the present invention's the 11st scheme is characterized in that, in the picture pick-up device of the present invention's the 8th to the 10th arbitrary scheme, in the light path between the above-mentioned the 1st and the 2nd deformable mirror said lens is set.
In the picture pick-up device that as above constitutes, dispose lens in the light path vertical between the 1st and the 2nd deformable mirror with this picture pick-up device body bottom surface, therefore, can realize the slimming of picture pick-up device.
The picture pick-up device of the present invention's the 12nd scheme possesses the optical imaging device, it is characterized in that: above-mentioned Optical devices have: the 1st and the 2nd deformable mirror can make the warpage of reflecting surface by switching on; Free-form surface lens, with 2 relative faces as optical surface; And imaging apparatus, accept the light that imports by the above-mentioned the 1st and the 2nd deformable mirror and free-form surface lens; Among the above-mentioned free-form surface lens optical surface, on the 1st optical surface of picture pick-up device body back one side, dispose above-mentioned the 1st deformable mirror, with the light of reflection from the one side incident of picture pick-up device body back, above-mentioned the 2nd deformable mirror of configuration on above-mentioned the 1st optical surface again, with will by after the reflection of above-mentioned the 1st deformable mirror once more by among the above-mentioned free-form surface lens optical surface, reflect to picture pick-up device body front direction towards the reverberation of the 2nd optical surface reflection of picture pick-up device body front one side; Dispose above-mentioned imaging apparatus, so that accept reverberation by above-mentioned the 2nd deformable mirror reflection.
In the picture pick-up device that as above constitutes, 2 deformable mirrors are configured in respectively on 2 relative optical surfaces of free-form surface lens with imaging apparatus, therefore, can produce the picture pick-up device of the Optical devices that can adjust the optics multiplying power of efficient layout with miniaturization.
The picture pick-up device of the present invention's the 13rd scheme, it is characterized in that, in the picture pick-up device of the present invention's the the the 1st to the 5th, the 8th to the 12nd arbitrary scheme, above-mentioned Optical devices are configured to, and the plane of incident light axis that comprises the incident light axis of above-mentioned relatively Optical devices and relative imaging apparatus is perpendicular to this picture pick-up device body bottom surface; In addition, the picture pick-up device of the present invention's the 14th scheme is characterized in that, in the picture pick-up device of the present invention the 6th or the 7th scheme, above-mentioned Optical devices are configured to, and the plane of incident light axis that comprises the incident light axis of above-mentioned relatively Optical devices and relative imaging apparatus is perpendicular to this picture pick-up device body bottom surface.
In the picture pick-up device that as above constitutes, Optical devices become vertically configuration in the picture pick-up device body, can reduce the width dimensions of picture pick-up device.
The picture pick-up device of the present invention's the 15th scheme, it is characterized in that, in the picture pick-up device of the present invention's the the the 1st to the 5th, the 8th to the 12nd arbitrary scheme, above-mentioned Optical devices are configured to, and the plane parallel of incident light axis that comprises the incident light axis of above-mentioned relatively Optical devices and relative imaging apparatus is in this picture pick-up device body bottom surface; In addition, the picture pick-up device of the present invention's the 16th scheme is characterized in that, in the picture pick-up device of the present invention the 6th or the 7th scheme, above-mentioned Optical devices are configured to, and the plane parallel of incident light axis that comprises the incident light axis of above-mentioned relatively Optical devices and relative imaging apparatus is in this picture pick-up device body bottom surface.
In the picture pick-up device that as above constitutes, Optical devices become landscape configuration in the picture pick-up device body, can reduce the height dimension of picture pick-up device.
The picture pick-up device of the present invention's the 17th scheme is characterized in that, in the picture pick-up device of the present invention's the 1st to the 16th arbitrary scheme, above-mentioned deformable mirror is adjusted focal position by the shape of above-mentioned reflecting surface.
By aforesaid structure, in the picture pick-up device of having realized miniaturization and slimming, can low-power consumption and do not produce and drive sound ground and carry out the focal length adjustment.
The described picture pick-up device of the present invention's the 18th scheme is characterized in that, in the picture pick-up device of the present invention's the the the 1st to the 5th, the 8th to the 12nd arbitrary scheme, above-mentioned deformable mirror is adjusted the optics multiplying power by the shape of above-mentioned reflecting surface.
By as above structure, in the picture pick-up device of having realized miniaturization and slimming, can low-power consumption and do not produce and drive sound ground adjustment optics multiplying power.
Description of drawings
Fig. 1 is the figure that the 1st embodiment of picture pick-up device related to the present invention is shown.
Fig. 2 is the enlarged drawing of structure that the 1st and the 2nd deformable mirror of the 1st embodiment shown in Figure 1 is shown.
Fig. 3 is the amplification oblique drawing that the lens unit structure partly of the 1st embodiment shown in Figure 1 is shown.
Fig. 4 is the figure that the variation example of the 1st embodiment shown in Figure 1 is shown.
Fig. 5 is the figure that the 2nd embodiment of the present invention is shown.
Fig. 6 is the figure that the variation example of the 2nd embodiment shown in Figure 5 is shown.
Fig. 7 is the figure that the 3rd embodiment of the present invention is shown.
Fig. 8 is the decomposition amplification oblique drawing that the lens unit part of the 3rd embodiment shown in Figure 7 is shown.
Fig. 9 is the figure that the variation example of the 3rd embodiment shown in Figure 7 is shown.
Figure 10 is the figure that the 4th embodiment of the present invention is shown.
Figure 11 is the figure that the 5th embodiment of the present invention is shown.
Embodiment
Next, just embodiment is illustrated.Shown in Figure 1 is the 1st embodiment that is applied to digital camera as the picture pick-up device that the present invention is correlated with, and Fig. 1 (A) is top profile, and Fig. 1 (B) is front cross-sectional view, and Fig. 1 (C) is the side cut away view of cutting open along the X-X line of Fig. 1 (B).In the drawings, the 1st, apparatus body, in the shell of this apparatus body 1, dispose lens unit 2, on this lens unit 2, lens cover 3 is arranged, the formation of lens unit 2 possesses: be configured in the free-form surface lens 4 in the lens cover 3, the 1st deformable mirror 5 with the relative configuration of the upper rear portion lens face of this free-form surface lens 4 (towards the top of the 1st optical surface of apparatus body back side), equally with the 2nd deformable mirror 6 of the relative configuration of front lower lens face (towards the 2nd optical surface of apparatus body front face side) of free-form surface lens 4, and imaging apparatus 8, this imaging apparatus 8 has equally the filter (optical light filter) 7 with the relative configuration of the lower backside lens face of free-form surface lens 4 (towards the bottom of the 1st optical surface of apparatus body back side).And, by from the outstanding flange 3a that forms of the side wall portion of lens cover 3, lens unit 2 is fixed on the lug boss 1a of apparatus body 1 with screw 9.
Next, the detailed structure of an example of the deformable mirror 5,6 that upper rear portion lens face and front lower lens face with free-form surface lens 4 is disposed in opposite directions according to Fig. 2 (A), (B) describes.Fig. 2 (A) is a vertical view, and Fig. 2 (B) is the profile of cutting open along the X-X line of Fig. 2 (A).The structure of deformable mirror 5 (6), shown in Fig. 2 (A), (B), on the side of collar plate shape substrate 5a, be provided with the outstanding ring-type supporting walls 5b that is provided with, in the zone that surrounds by this ring-type supporting walls 5b, configuration is by 3 peripheral electrode A, B, C and 1 fixed electrode that central electrode D constitutes, and the outer part of speculum body 5c is engaged the openend that is fixed on ring-type supporting walls 5b.
3 peripheral electrode A, B, C are respectively by roughly become the circular-arc battery lead plate of one-tenth that disposes in 120 ° the angular range to constitute at each.And central electrode D is made of the discoideus battery lead plate that disposes in the border circular areas of the central part that is present in above-mentioned 3 peripheral electrode A, B, C.And the figure of fixed electrode is not limited to illustrated shape, can use various forms.On the lateral surface of the discoid plectane that forms by for example polyimide resin, cover the double aluminium lamination of doing float electrode and reflecting member (mirror mirror), and constitute speculum body 5c.And the shape of speculum body also is not limited to circle, also can be oval.
The deformable mirror 5 (6) of Gou Chenging like this, (A～D) and between the float electrode (speculum body 5c) apply predetermined voltage then can carry out variable control to the curved shape of reflecting surface (speculum body 5c) by this electrostatic force if at the said fixing electrode.In addition, increase when being applied to the voltage of the same level on each electrode A～D jointly gradually, by the electrostatic force that strengthens along with the increase that applies voltage, the flexibility of speculum body 5c strengthens gradually.
In addition, turn back to Fig. 1, on the lens cover 3 of said lens unit 2, with the relative part of the front upper lens face of free-form surface lens 4 on be provided with transparent panel 3b, and on the apparatus body part relative, also be provided with transparent panel 1b with this transparent panel 3b.In addition, as shown in Figure 3, on the lens cover 3 of lens unit 2, the used in flexible substrate slit 3d that the 2nd speculum flexible substrate 11 that has the used in flexible substrate opening 3c of the 1st speculum flexible substrate 10 taking-ups that are used for being connected with the 1st deformable mirror 5 and be used for being connected with the 2nd deformable mirror 6 takes out, the other end of the 1st and the 2nd speculum flexible substrate 10,11 all is connected with mirror substrate 12 respectively, and this mirror substrate 12 is located at a side of lens cover 3, does not promptly form the face side of the lens face of free-form surface lens 4.And, on mirror substrate 12, deformable mirror drive circuit and temperature compensation sensor are housed.
And, substrate 15 above top in apparatus body 1 was provided with, release-push 16, console switch 17, the strobe light unit 18 with xenon pipe, microphone unit 19, capacitor of flash lamp device 20 are housed on the substrate 15 on this, but also are formed with microphone circuit and flash lamp circuit etc.
In addition, rear side in apparatus body 1 is provided with back substrate 21, image display device 22, the not shown CPU that goes out, memory etc., also be provided with imaging circuit and image processing circuit etc., and connect with the other end of the imaging apparatus flexible substrate 23 that is connected with imaging apparatus 8.
In addition, bottom in apparatus body 1 also is provided with the medium connector 28 that bottom surface substrate 25, DC power input terminal and IF socket input and output socket part 26, recording mediums 27 such as (USB) are connected usefulness, also be formed with medium I/F circuit and power circuit etc., and connect with the other end of the mirror substrate that is connected with mirror substrate 12 with flexible substrate 29.And, in Fig. 1, the 30th, be contained in the battery in the apparatus body 1, the 31st, pack into and take out the battery cover that battery is used.
And, be contained in the 1st and the 2nd deformable mirror 5,6 on the lens cover 3 of said lens unit 2, contain the state that the outer peripheral plane of its reflecting surface is retained the bottom surface that is basically perpendicular to apparatus body 1, and, imaging apparatus 8 is installed, making its shooting face is not that promptly angle of inclination portion is less than 45 degree to parallel direction but to the vertical direction inclination with respect to the bottom surface of apparatus body 1.
Next, the roughly action of the optical system of the 1st embodiment that like this constitutes is illustrated.Inject the axle of the transparent panel 1b of picture pick-up device body 1 and go up incident ray 35, the transparent panel 3b that sees through lens unit 2 incides free-form surface lens 4 front upper lens faces, see through light by reflecting by the 1st deformable mirror 5 behind the upper rear portion lens face, this reverberation reenters and is mapped to the upper rear portion lens face, should see through light by reflecting by the 2nd deformable mirror 6 behind the front lower lens face, this reverberation incides the front lower lens face once more, should see through light and inject the imaging apparatus 8 that has filter after by the lower backside lens face, and carry out opto-electronic conversion.After handling by imaging circuit and image processing circuit etc. by the image pickup signal after imaging apparatus 8 opto-electronic conversion, show by image display device 22, and be recorded in the recording medium 27.
When carrying out this shooting action, adjust the voltage that imposes on the 1st deformable mirror 5 and change the flexibility of speculum, thereby imaging apparatus 8 is focused on adjustment.In addition, adjustment imposes on the voltage of the 1st and the 2nd deformable mirror 5,6, make them carry out reverse adjustment separately, promptly, be out of shape adjustment from tabular to concavity by the speculum that makes one of them deformable mirror, make the speculum of another deformable mirror be out of shape adjustment to tabular on the contrary, can carry out the convergent-divergent adjustment thus from concavity.
In the 1st embodiment that constitutes like this, 2 deformable mirrors are contained in respectively on the relative lens face of free-form surface lens with imaging apparatus, therefore can constitute the optical system of the efficient layout of miniaturization, and impose on the voltage of deformable mirror by adjustment, can not produce and drive sound etc. and low-power consumption and easily imaging apparatus is focused on and adjust and the convergent-divergent adjustment.In addition,, therefore needn't make the shielding of microphone unit and optical system, can make their near being configured owing to can focus on adjustment and convergent-divergent adjustment in voiceless sound ground.
Next, the variation example of the 1st embodiment is described according to Fig. 4 (A)～(D).Fig. 4 (A) removes to change the inside elevation view that routine apparatus body face portion assigns to represent, Fig. 4 (B) removes the private side view that the apparatus body side surface part assigns to represent equally, Fig. 4 (C) is a profile above the Y-Y line of Fig. 4 (A), Fig. 4 (D) is a profile above the X-X line of Fig. 4 (A), to giving identical symbol, omit its explanation with the identical or corresponding parts of the 1st embodiment shown in Fig. 1 (A)～(C).
The 1st embodiment shown in Figure 1 represents be with lens unit 2 be configured in the apparatus body 1 vertically on example, this lens unit 2 comprises the imaging apparatus 8 of lens cover 3, free form surface camera lens the 4, the 1st and the 2nd deformable mirror 5,6 and band filter, but this variation example is that lens unit 2 is configured in the apparatus body 1 transversely, thereby can reduce the example of the short transverse size of picture pick-up device.This variation example is to have optical finder unit 36 and three foots 37 with the difference of the 1st embodiment others, and the input and output inlet unit is divided into DC socket 26a and IF socket 26b.
Next, according to Fig. 5 (A)～(D) explanation the 2nd embodiment.Fig. 5 (A) is that the face portion of removing the 2nd embodiment apparatus body assigns to represent inner front view, Fig. 5 (B) is a side cut away view, Fig. 5 (C) is a profile above the Y-Y line of Fig. 5 (A), Fig. 5 (D) is a profile above the X-X line of Fig. 5 (A), to giving identical symbol, omit its explanation with the identical or corresponding parts of the 1st embodiment shown in Fig. 1 (A)～(C).
In this embodiment, lens unit 41 possesses: free-form surface lens 43 is configured in the lens cover 42; The 1st lens 44 leave relative configuration at interval with the front upper lens face of free-form surface lens 43, are the incident lens; Deformable mirror 45 leaves relative configuration at interval with the lower backside lens face of free-form surface lens 43 (towards the bottom of the 1st optical surface of apparatus body back side); The 2nd lens 46 leave relative configuration at interval with the front lower lens face (towards the 2nd optical surface of apparatus body front face side) of free-form surface lens 43; Imaging apparatus 48 leaves relative configuration at interval with the 2nd lens 46, the back side is shown from lens cover 42, and have filter 47.And, the lug boss 45a that gives prominence on the part of above-mentioned deformable mirror 45 and form is combined with the hole that forms on lens cover 42, position maintenance, in addition, the the 1st and the 2nd lens 44,46 and imaging apparatus 48 that filter is housed combine with the end difference that forms on the lens cover 42 respectively, position maintenance.And the shooting face of imaging apparatus 48 is configured to be basically perpendicular to the bottom surface of apparatus body 1.
And, on the inclined-plane, the upper rear portion outside of the lens cover 42 of lens unit 41, be provided with mirror substrate 12, and, at the back side of imaging apparatus 48, promptly the apparatus body front face side at lens cover 42 is provided with shooting substrate 49.And the other end of the speculum flexible substrate 10 that an end is connected with deformable mirror 45 is connected with mirror substrate 12, and in addition, an end is connected with back substrate 21 with the other end of the imaging apparatus flexible substrate 50 that shooting substrate 49 is connected.In addition, in the present embodiment, omitted the bottom surface substrate, on shooting substrate 49, carried imaging circuit etc., overleaf on the substrate 21, except image display device 22, CPU, memory, image processing circuit are housed, input and output sockets such as IF socket 26a and DC socket 26b, MAU 28, medium I/F circuit, power circuit etc. are housed also.
Next, just the action of the lens unit part of the critical piece of such the 2nd embodiment that constitutes of conduct is illustrated.The 1st lens 44 of scioptics unit 41 also pass through the axle of the front upper lens face of free-form surface lens 43 and go up incident ray, reflected by the upper rear portion lens face of free-form surface lens 43, this reverberation is reflected by the front central lens face of free-form surface lens 43 again, and arrives deformable mirror 45 by the lower backside lens face.The incident light that arrives deformable mirror 45 is reflected by the mirror mirror of deformable mirror 45, incide the lower backside lens face of free-form surface lens 43 once more, by this lens face, pass through the front lower lens face of free-form surface lens again, then incide imaging apparatus 48 by the 2nd lens 46 and filter 47, and by opto-electronic conversion.
At this moment, adjust the voltage that imposes on deformable mirror 45, change the flexibility of the mirror mirror of deformable mirror 45, carry out focusing adjustment imaging apparatus 48.And, in this embodiment, use single deformable mirror, therefore can not carry out the convergent-divergent adjustment, but, so can realize the further miniaturization of lens unit owing to single deformable mirror and 2 lens and free-form surface lens combination constitute lens unit.
Next, the variation example of the 2nd embodiment is described according to Fig. 6 (A)～(D).Fig. 6 (A) is that the face portion of removing the apparatus body that changes example assigns to represent inner front view, Fig. 6 (B) is that the side surface part of similarly removing apparatus body assigns to represent inner end view, Fig. 6 (C) is a profile above the Y-Y line of Fig. 6 (A), Fig. 6 (D) is a profile above the X-X line of Fig. 6 (A), to giving identical symbol, omit its explanation with the identical or corresponding parts of the 2nd embodiment shown in Fig. 5 (A)～(C).
The 2nd embodiment shown in Fig. 5 (A)～(D) is vertically disposing lens unit 41 in apparatus body 1, this lens unit 41 possesses lens cover 42, free-form surface lens the 43, the 1st lens 44 and the 2nd lens 46, deformable mirror 45, has the imaging apparatus 48 of filter, but this variation example is the structure that transversely disposes lens unit 41 at apparatus body, therefore can reduce the size of picture pick-up device short transverse.Others, this variation example has just changed the installation site of microphone unit 19 with the 2nd embodiment difference, and has changed the shape of the inside prism of optical finder unit 36.
Next, according to Fig. 7 (A)～(D) explanation the 3rd embodiment.Fig. 7 (A) is that the apparatus body face portion of removing the 3rd embodiment assigns to represent inner front view, Fig. 7 (B) is a side cut away view, Fig. 7 (C) is a profile above the Y-Y line of Fig. 7 (A), Fig. 7 (D) is a profile above the X-X line of Fig. 7 (A), to giving identical symbol, omit its explanation with the identical or corresponding parts of the 1st embodiment shown in Fig. 1 (A)～(C).
This embodiment uses the compound lens group of being made up of many pieces of common lens to substitute free-form surface lens as optical system.Promptly, the lens unit 51 relevant with this embodiment possesses the lens cover 52 of embodiment as shown in Figure 8, are furnished with the 1st lens 53 at the front of lens cover 52 incident peristome, are furnished with the 1st deformable mirror 54, the 1 deformable mirrors 5 and the 1st lens 53 relative and one-tenth heeling conditions in the upper rear portion of lens cover 52.In the tube portion of central authorities of lens cover 52, is furnished with the compound lens group of forming by the 2nd lens the 55, the 3rd lens 56 and 57 3 lens of the 4th lens, be furnished with the 2nd deformable mirror 58 in the bottom surface sections of lens cover 52, also be furnished with the imaging apparatus 60 of adorning filter 59 in the front in the lower backside of lens cover 52 and constitute lens unit 51.
And, outside front face side at the lens cover 52 that constitutes lens unit 51 is installed mirror substrate 61, this mirror substrate 61 is equipped with mirror drive circuit and temperature-compensating with transducer etc., and the other end of the 2nd speculum flexible substrate 63 that the other end of the 1st speculum flexible substrate 62 that an end is connected with the 1st deformable mirror 54 and an end are connected with the 2nd deformable mirror 58 joins with this mirror substrate 61 respectively.
Other of this embodiment constitutes promptly, substrate 15 is provided with release-push 16, strobe light unit 18, microphone unit 19 in the above, and these points such as microphone circuit and flash lamp circuit are housed, and possess image display device 22, IF socket 26a, DC socket 26b, MAU 28 on the substrate 21 overleaf, and be equipped with on these aspects such as CPU, memory, imaging circuit, image processing circuit, medium I/F circuit, power circuit, identical with the 1st or the 2nd embodiment.
And, the 64th, flexible substrate is used in the mirror substrate connection that is connected between mirror substrate 61 and the back substrate 21, in addition, the 65th, be connected the imaging apparatus flexible substrate between imaging apparatus 60 and the back substrate 21, in addition, the 30th, battery, the 36th, view finder unit.
Next, just the action of the lens unit part of such the 3rd embodiment major part that constitutes of conduct is illustrated.The 1st lens 53 of scioptics the unit 51 and axle that incides the 1st deformable mirror 54 is gone up incident ray, reflected towards the approximate right angle direction by the reflecting surface of the 1st deformable mirror 54, and, incide the 2nd deformable mirror 58 by the compound lens group on the central portion that is configured in lens cover 52.The reverberation that incides the 2nd deformable mirror 58 mirror minute surface secondary reflection again that is reflected, and incide imaging apparatus 60 by filter 59, and carry out opto-electronic conversion.
At this moment, the voltage that imposes on the 1st deformable mirror 54 by adjustment can carry out the prime focus adjustment, but also can drive by cooperating the 2nd deformable mirror 58, obtains the littler focusing of aberration.In addition, can carry out the convergent-divergent adjustment by adjusting the 1st and the 2nd deformable mirror 54,58.And, in this embodiment, use the compound lens group of forming by a plurality of common lens to substitute free-form surface lens, therefore can further realize the miniaturization of lens unit.
Next, the variation example of the 3rd embodiment is described according to Fig. 9 (A)～(D).Fig. 9 (A) removes the apparatus body face portion that changes example to assign to represent inner front view, Fig. 9 (B) is that the side surface part of removing apparatus body assigns to represent inner side view, Fig. 9 (C) is a profile above the Y-Y line of Fig. 9 (A), Fig. 9 (D) is a profile above the X-X line of Fig. 9 (A), to giving identical symbol, omit its explanation with the identical or corresponding parts of the 3rd embodiment shown in Fig. 7 (A)～(D).
The 3rd embodiment shown in Fig. 7 (A)～(D) vertically disposes lens unit 51 in apparatus body 1, this lens unit 51 is made of compound lens group and the imaging apparatus 60 that filter is housed, this compound lens group is made of lens cover the 52, the 1st lens the 53, the 1st deformable mirror 54 and the 2nd deformable mirror 58, three lens 55,56,57, but the structure of this variation example is the transversely configuration lens unit 51 in apparatus body 1, can reduce the short transverse size of picture pick-up device.This variation example others different with the 3rd embodiment only are to follow the landscape configuration of lens unit, the allocation position difference of strobe light unit 18, microphone unit 19, optical finder unit 36, IF socket 26a, DC socket 26b etc.
Next, according to Figure 10 (A)～(D) explanation the 4th embodiment.Figure 10 (A) is that the apparatus body face portion of removing the 4th embodiment assigns to represent inner front view, Figure 10 (B) is the side view profile, Figure 10 (C) is a profile above the Y-Y line of Figure 10 (A), Figure 10 (D) is a profile above the X-X of Figure 10 (A), to giving identical symbol, omit its explanation with the identical or corresponding parts of the 3rd embodiment shown in Fig. 7 (A)～(D).
This embodiment is constructed as follows: the imaging apparatus 60 that will constitute lens unit 51 is configured to, and in the bottom of the front face side (light incident side) of lens cover 52, is basically perpendicular to the bottom surface of apparatus body 1.And, in the lens unit 51 that constitutes like this, by the 1st lens 53, gone up incident ray by the axle of the 1st deformable mirror 54 reflections, by compound lens group 55,56,57, and, incide imaging apparatus 59 then and carry out opto-electronic conversion by the 2nd deformable mirror 58 secondary reflection again.
In this embodiment, also carry out the prime focus adjustment, also cooperate the 2nd deformable mirror 58 to drive, also can carry out the little focusing adjustment of aberration by the 1st deformable mirror 54, in addition, can carry out the convergent-divergent adjustment by driving the 1st and the 2nd deformable mirror 54,58 simultaneously.
Next, according to side generalized section shown in Figure 11 the 5th embodiment is described.This embodiment is the example that the structure to the 2nd embodiment shown in Figure 5 develops, increase deformation reflection mirror and use 2 deformable mirrors, the shooting face of imaging apparatus is configured to be basically perpendicular to the apparatus body bottom surface, is to carry out the example that convergent-divergent is adjusted.In Figure 11,, omit its explanation to giving identical symbol with the identical or corresponding parts of the 2nd embodiment shown in Figure 5.
In this embodiment, leave and relatively dispose the 1st deformable mirror 72 at interval with the upper rear portion lens of free-form surface lens 43 (towards the top of the 1st optical surface of apparatus body back side), and, similarly leave and relatively dispose the 2nd deformable mirror 73 at interval with the lower backside lens of free-form surface lens 43.And, other structure of lens unit 71 and the 2nd embodiment shown in Figure 5 are roughly the same, free-form surface lens the 43, the 1st and the 2nd deformable mirror 72,73 and imaging apparatus 48 etc. are with respect to the position hold mode of lens cover 42, and be identical with the 2nd embodiment shown in Figure 5, omitted portion's diagram.
In the 5th embodiment that constitutes like this, pass the axle of the front upper lens face of free-form surface lens 43 behind the 1st lens 44 of scioptics unit 71 and go up incident ray, the upper rear portion lens face by free-form surface lens 43 incides the 1st deformable mirror 72 and is reflected.This reverberation is again by the upper rear portion lens face and by the reflection of the front central lens face of free-form surface lens 43, incides the 2nd deformable mirror 73 and is reflected by the lower backside lens face.This reverberation by the lower backside lens face, incides imaging apparatus 48 and carries out opto-electronic conversion via filter 47 then once more.
At this moment, the voltage that imposes on the 1st deformable mirror 72 or the 1st and the 2nd deformable mirror 72,73 by adjustment focuses on adjustment, can carry out the convergent-divergent adjustment by adjusting the 1st and the 2nd deformable mirror simultaneously.In addition, in this embodiment,, can realize reducing the structure of picture pick-up device height dimension by landscape configuration lens unit 71 in apparatus body 1.
In addition, in the various embodiments described above, deformable mirror is shown by the power-actuated example of static, but deformable mirror is except being driven by electrostatic force, also can be driven (the type can make the reflection deformation plance become convex) by the electromagnetic force that magnet and the electric current that flows produce or make reflection deformation plance distortion etc. with piezoelectric by piezoelectric effect on the reflection deformation plance.
In addition, in the various embodiments described above, the example that picture pick-up device is used for digital camera has been described, but the present invention is not limited to this, also can be used for the mobile phone and the PDA of video camera, band video camera.
The effect of invention
As the explanation of carrying out according to above embodiment, the 1st scheme according to the present invention, by It is relative to be configured in respectively 2 of free-form surface lens in 2 deformable mirrors and imaging apparatus Optical surface on, therefore can make the shooting of the Optical devices that possess small-sized efficient layout and establish Standby. In addition, the 2nd to the 4th scheme according to the present invention can be conducive to the thin type of picture pick-up device Change. The 5th scheme according to the present invention can obtain small-sized and effectively utilized free song The Optical devices of the face side that does not form optical surface of face lens. In addition, the 6th side according to the present invention Case is because deformable mirror and imaging apparatus are configured in respectively 2 of free-form surface lens mutually Therefore on the right optical surface, can realize possessing the taking the photograph of Optical devices of the efficient layout of miniaturization Picture equipment. In addition, according to the present invention the 7th to the 11st scheme can realize picture pick-up device Thin type. In addition, the 12nd scheme according to the present invention can realize possessing the efficient of miniaturization Layout and picture pick-up device that can adjust the Optical devices of optics multiplying power. In addition, according to this The the bright the 13rd and the 14th scheme, Optical devices be vertically configuration in the picture pick-up device body, can subtract The width dimensions of little picture pick-up device. In addition, the 15th and the 16th scheme according to the present invention, optics Device is landscape configuration in the picture pick-up device body, can reduce the height dimension of picture pick-up device. In addition Outward, according to the present invention the 17th scheme, in the picture pick-up device of having realized miniaturization, thin type, Can low-power consumption and do not produce and drive sound ground and carry out Focussing. In addition, according to the present invention The 18th scheme, in the picture pick-up device of having realized miniaturization, thin type, can low-power consumption also And do not produce driving sound ground and carry out the adjustment of optics multiplying power.
Claims (18)
1. a picture pick-up device possesses the optical imaging device, it is characterized in that, above-mentioned Optical devices have: the 1st and the 2nd deformable mirror can make the warpage of reflecting surface by switching on; Free-form surface lens, with 2 relative faces as optical surface; And imaging apparatus, accept the light that imports by the above-mentioned the 1st and the 2nd deformable mirror and free-form surface lens;
Among the optical surface of above-mentioned free-form surface lens on the 1st optical surface of picture pick-up device body back side, above-mentioned the 1st deformable mirror that the light by the incident of picture pick-up device body front face side is reflected is set; Among the above-mentioned free-form surface lens optical surface on the 2nd optical surface of picture pick-up device body front face side, above-mentioned the 2nd deformable mirror that the reverberation by the reflection of above-mentioned the 1st deformable mirror is reflected again is set; On the 1st optical surface of above-mentioned free-form surface lens, catoptrical above-mentioned imaging apparatus and above-mentioned the 1st deformable mirror of accepting above-mentioned the 2nd deformable mirror reflection is arranged in juxtaposition at above-below direction.
2. picture pick-up device as claimed in claim 1 is characterized in that, any one in the above-mentioned at least the 1st or the 2nd deformable mirror, and it is vertical with respect to this picture pick-up device body bottom surface to be configured to comprise the outer peripheral plane of its reflecting surface.
3. picture pick-up device as claimed in claim 1 or 2 is characterized in that, the shooting face of above-mentioned imaging apparatus is configured to tilt towards the direction perpendicular to this picture pick-up device body bottom surface.
4. the picture pick-up device described in claim 1 or 2 is characterized in that, between above-mentioned imaging apparatus and above-mentioned picture pick-up device body back case substrate is set.
5. the picture pick-up device described in claim 1 or 2 is characterized in that, the face side that does not form optical surface at above-mentioned free-form surface lens possesses the driving electric base that is provided with the above-mentioned the 1st or the 2nd deformable mirror at least.
6. a picture pick-up device has the optical imaging device, it is characterized in that, above-mentioned Optical devices have: deformable mirror can make the warpage of reflecting surface by switching on; Free-form surface lens, with 2 relative faces as optical surface; And imaging apparatus, accept the light that imports by above-mentioned deformable mirror and free-form surface lens;
Among the optical surface of above-mentioned free-form surface lens on the 1st optical surface of picture pick-up device body back side, the above-mentioned deformable mirror that the light by the incident of picture pick-up device body front face side is reflected is set; On the 2nd optical surface of picture pick-up device body front face side, the catoptrical above-mentioned imaging apparatus of acceptance by above-mentioned deformation reflection mirror reflection is set.
7. picture pick-up device as claimed in claim 6 is characterized in that, the shooting face of above-mentioned imaging apparatus is configured to perpendicular to this picture pick-up device body bottom surface.
8. as claim 6 or 7 described picture pick-up devices, it is characterized in that, above-mentioned Optical devices be configured to that the plane of incident light axis that comprises the incident light axis of above-mentioned relatively Optical devices and relative imaging apparatus is perpendicular to this picture pick-up device body bottom surface.
9. as claim 6 or 7 described picture pick-up devices, it is characterized in that, above-mentioned Optical devices be configured to that the plane parallel of incident light axis that comprises the incident light axis of above-mentioned relatively Optical devices and relative imaging apparatus is in this picture pick-up device body bottom surface.
10. a picture pick-up device has the optical imaging device, it is characterized in that, above-mentioned Optical devices have: the 1st and the 2nd deformable mirror can make the warpage of reflecting surface by switching on; Set of lenses is made up of many pieces of common lens; And imaging apparatus, the light by the above-mentioned the 1st and the 2nd deformable mirror and lens imaging is carried out opto-electronic conversion; Make light by above-mentioned the 1st deformable mirror, reflect towards right angle orientation by the incident of picture pick-up device body front face side; By above-mentioned the 2nd deformable mirror, further will be by the above-mentioned reverberation of above-mentioned the 1st deformable mirror reflection towards above-mentioned picture pick-up device body back lateral reflection; Catoptrical above-mentioned imaging apparatus with accepting by above-mentioned the 2nd deformable mirror reflection is arranged on the position of above-mentioned picture pick-up device body back side.
11. a picture pick-up device has the optical imaging device, it is characterized in that, above-mentioned Optical devices have: the 1st and the 2nd deformable mirror can make the warpage of reflecting surface by switching on; Set of lenses is made up of many pieces of common lens; And imaging apparatus, the light by the above-mentioned the 1st and the 2nd deformable mirror and lens imaging is carried out opto-electronic conversion; Make light by above-mentioned the 1st deformable mirror, reflect towards right angle orientation by the incident of picture pick-up device body front face side; By above-mentioned the 2nd deformable mirror, further will reflect towards above-mentioned picture pick-up device body front face side by the above-mentioned reverberation of above-mentioned the 1st deformable mirror reflection; Catoptrical above-mentioned imaging apparatus with accepting by above-mentioned the 2nd deformable mirror reflection is arranged on the position of above-mentioned picture pick-up device body front face side.
12. picture pick-up device as claimed in claim 11 is characterized in that, the shooting face of above-mentioned imaging apparatus is configured to be basically perpendicular to this picture pick-up device body bottom surface.
13. as each described picture pick-up device in the claim 10～12, it is characterized in that, in the light path between the above-mentioned the 1st and the 2nd deformable mirror the said lens group be set.
14. a picture pick-up device possesses the optical imaging device, it is characterized in that, above-mentioned Optical devices have: the 1st and the 2nd deformable mirror can make the warpage of reflecting surface by switching on; Free-form surface lens, with 2 relative faces as optical surface; And imaging apparatus, accept the light that imports by the above-mentioned the 1st and the 2nd deformable mirror and free-form surface lens;
Among the above-mentioned free-form surface lens optical surface, on the 1st optical surface of picture pick-up device body back one side, dispose above-mentioned the 1st deformable mirror, with the light of reflection from the one side incident of picture pick-up device body back, above-mentioned the 2nd deformable mirror of configuration on above-mentioned the 1st optical surface again, with will by after the reflection of above-mentioned the 1st deformable mirror once more by among the above-mentioned free-form surface lens optical surface, reflect to picture pick-up device body front direction towards the reverberation of the 2nd optical surface reflection of picture pick-up device body front one side; Dispose above-mentioned imaging apparatus, to accept reverberation by above-mentioned the 2nd deformable mirror reflection.
15. the picture pick-up device described in claim 1,2,10,11 or 14, it is characterized in that, above-mentioned Optical devices are configured to, and the plane of incident light axis that comprises the incident light axis of above-mentioned relatively Optical devices and relative imaging apparatus is perpendicular to this picture pick-up device body bottom surface.
16. the picture pick-up device described in claim 1,2,10,11 or 14, it is characterized in that, above-mentioned Optical devices are configured to, and the plane parallel of incident light axis that comprises the incident light axis of above-mentioned relatively Optical devices and relative imaging apparatus is in this picture pick-up device body bottom surface.
17. the picture pick-up device described in claim 1,2,10,11 or 14 is characterized in that above-mentioned deformable mirror is adjusted focal position by the shape of above-mentioned reflecting surface.
18. the picture pick-up device described in claim 1,2,10,11 or 14 is characterized in that above-mentioned deformable mirror is adjusted the optics multiplying power by the shape of above-mentioned reflecting surface.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP249911/2002 | 2002-08-29 | ||
| JP2002249911A JP2004086077A (en) | 2002-08-29 | 2002-08-29 | Image pickup equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1487727A CN1487727A (en) | 2004-04-07 |
| CN1241398C true CN1241398C (en) | 2006-02-08 |
Family
ID=32056870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03155197 Expired - Fee Related CN1241398C (en) | 2002-08-29 | 2003-08-29 | Television camera |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2004086077A (en) |
| CN (1) | CN1241398C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10516773B2 (en) * | 2016-10-13 | 2019-12-24 | Samsung Electro-Mechanics Co., Ltd. | Camera module and portable electronic device including the same |
| CN109756659B (en) * | 2018-12-26 | 2020-07-31 | 维沃移动通信有限公司 | Camera device and electronic equipment |
-
2002
- 2002-08-29 JP JP2002249911A patent/JP2004086077A/en not_active Withdrawn
-
2003
- 2003-08-29 CN CN 03155197 patent/CN1241398C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004086077A (en) | 2004-03-18 |
| CN1487727A (en) | 2004-04-07 |
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