CN1301417C - Optical assembly and image sensing apparatus with said assembly - Google Patents
Optical assembly and image sensing apparatus with said assembly Download PDFInfo
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- CN1301417C CN1301417C CNB2004100867855A CN200410086785A CN1301417C CN 1301417 C CN1301417 C CN 1301417C CN B2004100867855 A CNB2004100867855 A CN B2004100867855A CN 200410086785 A CN200410086785 A CN 200410086785A CN 1301417 C CN1301417 C CN 1301417C
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Abstract
The invention provided an optical element assembly and an imaging apparatus which can avoid the occurrence of unnecessary luminous flux and influence thereby. The optical element assembly FA includes a 1st optical element 10, a 2nd optical element 20 and a positioning holding member 30, and the 1st optical element 10 is provided with projecting parts for fitting 15a and 15b fit to one corresponding surface 31 of the holding member 30 opposed to one emitting surface 13 at the peripheral part of an effective area 14 through which effective luminous flux passes on the emitting surface 13 side, and the 2nd optical element 20 is provided with projecting parts for fitting 26a and 26b fit to the other corresponding surface 32 of the holding member 30 opposed to one incident surface 21 at the peripheral part of an effective area 24 through which the effective luminous flux passes on the incident surface 21 side. The holding member 30 has an optical diaphragm aperture 33 permitting light to be transmitted from the one corresponding surface surface 31 to the other corresponding surface 32, and blind recessed parts for fitting 35a, 35b and 36a and 36b which can be respectively fit to the projecting parts for fitting 15a, 15b and 26a, 26b are formed on the one corresponding surfaces 31 and the other corresponding surface 32 so as to correspond to each other.
Description
Technical field
The present invention relates to a kind of optical module that a plurality of opticses such as prism are constituted and the camera head (for example, comprising digital camera, mobile phone, PC or video camera or the like) that this optical module is applicable to camera function portion with camera-enabled.
Background technology
In recent years, the miniaturization of the camera head of digital camera, the mobile phone with camera-enabled, PC or video camera etc. has had marked improvement.Follow the miniaturization of camera head,, also pursuing miniaturization, slimming day by day the assembly (is the assembly of main composition parts with the optical system) that is assemblied in the camera function portion in these device main body.
The general optical system of using coaxial system in this assembly.The said coaxial optical axis that means relative optical system, opticses such as lens are configured to rotational symmetric optical system.When making component miniaturization, need to reduce the quantity of lens., if reduce the quantity of lens, then be difficult to reduce aberration.In order to address this problem, propose to use the optical devices of decentered optical system.For example, patent documentation shown below 1～5 proposes to use the prism optical system of free form surface etc.
Patent documentation 1 disclosed content is, for being provided, small-sized, light weight, telecentric iris proofread and correct astigmatism etc., the imaging lens system of processing assembling easily well, easily, from the object side order convex surface towards the 1st lens of the diverging meniscus lens of this object side, aperture, convex surface towards the 2nd lens of the positive meniscus lens of image planes side as component parts, these two lens (described the 1st lens, described the 2nd lens) make and at least simultaneously form the aspheric surface shape, constitute the assembly of the optics that satisfies specified conditions thus.
Patent documentation 2 disclosed technology are, by imaging apparatuss such as CCD are installed on the mobile phone, need not have digital camera or PC, the image that the mobile phone that utilization can easily be carried is taken, and it easily can be sent to partner.The camera function portion of this mobile phone comprises optics, and this optics has: be installed in the imaging apparatus on the substrate; Make shot object image image in the lens section of the light-sensitive surface of this imaging apparatus; Support the foot section of this lens section.And, by making described foot section with the surface of the contact of the contact force below the above 500g of 5g towards the described lens section of described imaging apparatus, compare when making described leg contact described substrate, can carry out the location of optical axis direction of the light-sensitive surface of described lens section and described imaging apparatus accurately.By contact force is made as more than the 5g, the kine bias in the time of can preventing to make the loosening photography that causes of described optics because of vibration etc. is poor, by contact force is made as below the 500g, can suppress the breakage of described imaging apparatus and dysfunction etc.
In the imaging optical system of usefulness such as video camera or digital camera, Film scanner, endoscope, follow the miniaturization of imaging apparatus, optical system self is also proposed the requirement of miniaturization and, cost degradation.Recently, the further slimming of strong request optical system has also appearred in the product of built-in electronic image pickup optical system in mobile phone and PDA, notebook computer etc.
In view of the foregoing, patent documentation 4 and patent documentation 5 are realized high-performance, imaging optical system cheaply in order to provide with the optics that constitutes negligible amounts, and, reflecting surface only trihedral light path folding, the high performance imaging optical system of the obvious slimming of vertical direction size of imaging apparatus particularly, disclose and will have the structure that makes up the camera function portion of corresponding above-mentioned requirements as the prism of the necessary characteristic of this optics.
Patent documentation 1 spy opens the 2002-267928 communique
Patent documentation 2 spies open the 2002-320122 communique
Above-mentioned arbitrary document all rests on and will select a plurality of technology of using that make up such as prism of suitable optical characteristics as optics.Promptly, to how to keep and engage these opticses so that each other position relation maintains prescribed relationship, how to avoid producing unwanted light beam and influence thereof, how to guarantee easy manufacturing, forms which kind of structure and could not be subject to dust influence etc., the technology of the technical matters to as the product specific implementation time and relevant its solution may not propose concrete scheme.
Summary of the invention
The present invention when embodying as the said goods technical matters and propose, its objective is that providing a kind of avoids variety of issue, particularly can avoid optical module to produce the optical module of unwanted light beam and influence thereof and have the camera head of this optical module.
Optical module of the present invention comprises: as the 1st optics of prism, its constitute be mapped to regulation from object side the incident light of a plane of incidence in the reflection of the backside reflection face of regulation with focal power, an outgoing plane from regulation penetrates again; As the 2nd optics of prism, its constitute be mapped to regulation from described the 1st optics side the incident light of a plane of incidence in the reflection of the backside reflection face of regulation with focal power, an outgoing plane from regulation penetrates again; The location holding member, described the 1st optics and the 2nd optics are held in the relation that the relative position that makes both is kept regulation, it is characterized in that, described the 1st optics is at the peripheral position of the effective coverage that the efficient beam of a described outgoing plane side passes through, be provided for being entrenched in the chimeric convex shaped part of using of a corresponding surface side of the described location holding member relative with this outgoing plane, described the 2nd optics is at the peripheral position of the effective coverage that the efficient beam of a described plane of incidence side passes through, be provided for being entrenched in the chimeric convex shaped part of using of other corresponding surface sides of the described location holding member relative with this plane of incidence, described location holding member forms the optically-variable aperture that allows the light transmission between a described corresponding surface and other corresponding surfaces at the regulation position, and, a described corresponding surface and the corresponding respectively formation of described other corresponding surfaces can with chimeric with convex shaped part and described the 2nd optics of described the 1st optics chimeric with the chimeric chimeric concavity portion that uses that the end is arranged of convex shaped part.
Camera head of the present invention, comprise: optical module, it comprises: as the 1st optics of prism, its constitute be mapped to regulation from object side the incident light of a plane of incidence in the reflection of the backside reflection face of regulation with focal power, penetrate from an outgoing plane of regulation; As the 2nd optics of prism, its constitute be mapped to regulation from described the 1st optics side the incident light of a plane of incidence in the reflection of the backside reflection face of regulation with focal power, penetrate from an outgoing plane of regulation; The location holding member, described the 1st optics and the 2nd optics are held in the relation that the relative position that makes both is kept regulation, imaging apparatus, carry out the relevant opto-electronic conversion of light image that forms with the light beam that penetrates by outgoing plane from the described regulation of described optical module, and image data creating unit, output signal according to described imaging apparatus, generate the view data of the communication of suitable record of stipulating and/or regulation, described camera head is characterised in that: described the 1st optics is at the peripheral position of the effective coverage that the efficient beam of a described outgoing plane side passes through, be provided for being entrenched in the chimeric convex shaped part of using of a corresponding surface side of the described location holding member relative with this outgoing plane, described the 2nd optics is at the peripheral position of the effective coverage that the efficient beam of a described plane of incidence side passes through, be provided for being entrenched in the chimeric convex shaped part of using of other corresponding surface sides of the described location holding member relative with this plane of incidence, described location holding member forms the optically-variable aperture that allows the light transmission between a described corresponding surface and other corresponding surfaces at the regulation position, and, a described corresponding surface and the corresponding respectively formation of described other corresponding surfaces can with chimeric with convex shaped part and described the 2nd optics of described the 1st optics chimeric with the chimeric chimeric concavity portion that uses that the end is arranged of convex shaped part.
Other camera heads of the present invention, comprise: optical module, it comprises: as the 1st optics of prism, its constitute be mapped to regulation from object side the incident light of a plane of incidence in the reflection of the backside reflection face of regulation with focal power, penetrate from an outgoing plane of regulation; As the 2nd optics of prism, its constitute be mapped to regulation from described the 1st optics side the incident light of a plane of incidence in the reflection of the backside reflection face of regulation with focal power, penetrate from an outgoing plane of regulation; The location holding member, described the 1st optics and the 2nd optics are held in the relation that the relative position that makes both is kept regulation, light image forms uses optical system, the light beam that penetrates according to an outgoing plane from the regulation of the 2nd optics of described optical module connects and is fit to the light image observed, described camera head is characterised in that: described the 1st optics is at the peripheral position of the effective coverage that the efficient beam of a described outgoing plane side passes through, be provided for being entrenched in the chimeric convex shaped part of using of a corresponding surface side of the described location holding member relative with this outgoing plane, described the 2nd optics is at the peripheral position of the effective coverage that the efficient beam of a described plane of incidence side passes through, be provided for being entrenched in the chimeric convex shaped part of using of other corresponding surface sides of the described location holding member relative with this plane of incidence, described location holding member forms the optically-variable aperture that allows the light transmission between a described corresponding surface and other corresponding surfaces at the regulation position, and, a described corresponding surface and the corresponding respectively formation of described other corresponding surfaces can with chimeric with convex shaped part and described the 2nd optics of described the 1st optics chimeric with the chimeric chimeric concavity portion that uses that the end is arranged of convex shaped part.
In the present invention, it constitutes in the part except that the optically-variable aperture of location holding member and uses lightproof unit, makes light not by between the 1st optics side and the 2nd optics side.Therefore, according to the present invention, can provide and to suppress to produce unwanted light beam and avoid the optical module of its influence and have the camera head of this optical module.
Description of drawings
Fig. 1 is the summary construction diagram of overview of the camera head of the expression optical module of having used first embodiment of the present invention.
Fig. 2 is the structural drawing of optical system of the optical module of expression first embodiment of the present invention.
Fig. 3 is the stereographic map that expression utilizes the location holding member that the 1st optics and the 2nd optics of the optical module of first embodiment of the present invention is held in the one state.
Fig. 4 is the side view that expression utilizes the location holding member that the 1st optics and the 2nd optics of the optical module of first embodiment of the present invention is held in the one state.
Fig. 5 is the exploded perspective view of the state that is separated of expression the 1st optics of first embodiment of the present invention and the 2nd optics and location holding member.
Fig. 6 is the side view that the engagement relationship on the light beam outgoing plane of the 1st optics of first embodiment of the present invention and the 2nd optics and holding member two sides, location is represented by partial cutoff.
Fig. 7 (a) is the stereographic map of structure of the beam incident surface of the light beam outgoing plane of the 1st optics of expression first embodiment of the invention and the 2nd optics (b).
Fig. 8 (a) (b) (c) is the structural drawing of location holding member of expression first embodiment of the invention, (a) is the vertical view of presentation surface shape, (b) be along the 8b-8b line of (a) to pseudosection, (c) be the vertical view of expression back side shape.
Fig. 9 (a) (b) (c) is the figure of variation of the location holding member of expression first embodiment of the invention, (a) is the vertical view of presentation surface shape, (b) be along the 9b-9b line of (a) to pseudosection, (c) be the vertical view of expression back side shape.
Figure 10 (a) (b) (c) is the structural drawing of the optical module of expression second embodiment of the invention, (a) is the sectional view of major part, (b) with the sectional view that (c) is the variation of expression location holding member.
Figure 11 (a) is the summary construction diagram of the application example of device on digital camera of expression third embodiment of the invention (b), (a) being the example of representing optical module is applicable to the camera system of digital camera, (b) is the exemplary plot that expression is applicable to optical module the view finder system of digital camera.
Figure 12 (a) is the summary construction diagram of the application example of device on PC of expression four embodiment of the invention (b), (a) is the side view of expression laptop, (b) is the summary section of the schematic configuration of expression major part.
Figure 13 (a) (b) (c) is the summary construction diagram of the application example of device on mobile phone of expression fifth embodiment of the invention, (a) is front view, (b) is side view, (c) is the summary section of the schematic configuration of expression major part.
Embodiment
(first embodiment)
Fig. 1 is the summary construction diagram of overview of the camera head 100 of the expression optical module PA that used first embodiment of the invention.Camera head 100 shown in Figure 1 has image pickup optical system 110, imaging apparatus 120 and image data creating unit 130 etc.
Image pickup optical system 110 constitutes based on optical module PA, it utilizes the location holding member 30 with optically-variable aperture described later, and the 1st optics 10 and the 2nd optics 20 as prism are held in the relation that the relative position that makes both is kept regulation.In addition, the 111, the 112nd, cloche.Wherein at least one side has the IR shearing filter that infrared ray cuts off function.And location holding member 30 has the function portion as aperture.To narrate in the back about optical module PA.
The light image that 120 pairs of light beams that penetrate from described optical module PA of imaging apparatus form carries out opto-electronic conversion.
130 pairs of image data creating unit are handled by the signal that imaging apparatus 120 carries out after the opto-electronic conversion, have the processing unit 131 of the compression/de-compression of for example in time carrying out view data etc. as required; The record cell 132 of Imagery Data Recording in recording medium (can use storage card) after handling by this processing unit 131; Make be recorded in this record cell 132 view data in time, and can be from the reproduction units 133 of lead-out terminal 134 output etc.In addition, processing unit 131 can communicate with external unit etc. by terminal 135.
Fig. 2 is the structural drawing of the optical system of expression optical module PA.As shown in Figure 2, the 1st optics 10 of optical module PA is made of prism, this prism constitutes and makes the incident light of a plane of incidence 11 that is mapped to regulation from object side by cloche 111 in backside reflection face 12 reflection of the regulation with focal power, and penetrates from an outgoing plane 13 of regulation.And, the 2nd optics 20 of optical module PA is made of prism, this prism constitutes and makes the incident light of a plane of incidence 21 that is mapped to regulation from described the 1st optics 10 sides in backside reflection face 22-1, the 22-2 of the regulation with focal power reflection, and penetrates from an outgoing plane 23 of regulation.
The optical system of optical module PA has at least that the two sides is above to be the reflecting surface of free form surface shape.So-called free form surface is meant, the optical axis that incides the optical axis of light beam of this face or the light beam that penetrates from this face relatively is asymmetric for rotation, and only has the curved surface of a plane of symmetry along these optical axises.
In Fig. 2, the light-sensitive surface of symbol 121 expression imaging apparatuss 120.As shown in Figure 1, location holding member 30 is set between the 1st optics 10 and the 2nd optics 20, be provided as the function portion 301 of optically-variable diaphragm at this location holding member 30.
Fig. 3 is the stereographic map that expression utilizes location holding member 30 that the 1st optics 10 and the 2nd optics 20 of optical module PA is held in the one state.Fig. 4 is that expression utilizes location holding member 30 the 1st optics 10 and the 2nd optics 20 to be held in the side view of one state equally.Fig. 5 is the exploded perspective view of the state that is separated of expression the 1st optics 10 and the 2nd optics 20 and location holding member 30.Fig. 6 is the side view that the engagement relationship with the light beam outgoing plane of the 1st optics 10 and the 2nd optics 20 and holding member 30 two sides, location partly cuts off expression.Fig. 7 (a) is the stereographic map of structure of the beam incident surface of expression light beam outgoing plane of the 1st optics 10 and the 2nd optics 20 (b).Fig. 8 (a) (b) (c) is the structural drawing of expression location holding member 30, (a) is the vertical view of presentation surface shape, (b) be along the 8b-8b line of (a) to pseudosection, (c) be the vertical view of expression back side shape.
As Fig. 3～Fig. 8 (a) (b) shown in (c), the 1st optics 10 is at the peripheral position of the effective coverage 14 that the efficient beam of outgoing plane 13 passes through, have by short cylindrical shape convex shaped part constitute chimeric with convex shaped part 15a, 15b.This is chimeric to be entrenched in the chimeric with among the concavity 35a of portion, the 35b of a corresponding surface 31 being formed at the location holding member 30 relative with the outgoing plane 13 of the 1st optics 10 with convex shaped part 15a, 15b.And the 2nd optics 20 is at the peripheral position of the effective coverage 24 that the efficient beam of the plane of incidence 21 sides passes through, have equally by short cylindrical shape convex shaped part constitute chimeric with convex shaped part 26a, 26b.This is chimeric, and be entrenched in other of other corresponding surfaces 32 of being formed at the described location holding member 30 relative with the plane of incidence 21 of the 2nd optics 20 with convex shaped part 26a, 26b chimeric with among the concavity 36a of portion, 36b.
Described location holding member 30 is formed by the material with light-proofness.Be provided with the permission light beam at its substantial middle position through the optically-variable aperture 33 between a described corresponding surface 31 and other corresponding surfaces 32.This hole 33 specifically is equivalent to the function portion 301 as the optically-variable diaphragm described in Fig. 2.And location holding member 30 has at a described corresponding surface 31 the chimeric with the concavity 35a of portion, 35b of the end is arranged, and having equally at other corresponding surfaces 32 has the chimeric with the concavity 36a of portion, 36b of the end.
Chimeric chimeric chimeric, the 2nd optics 20 with the concavity 35a of portion, 35b with convex shaped part 15a, 15b and location holding member 30 by the 1st optics 10 chimeric with chimeric with the concavity 36a of portion, 36b of convex shaped part 26a, 26b and location holding member 30 chimeric, the 1st optics 10 and the 2nd optics 20 are clipped in the middle location holding member 30 and are bonded into one, and have the position relation of regulation.
As Fig. 7 (a) (b) shown in, in the 1st optics 10, leave predetermined distance and do not belong to the regulation position of described outgoing plane 13 sides of described effective coverage 14 with convex shaped part 15a, 15b, be formed for adjusting the 1st 17a of stance adjustment portion, 17b, the 17c relative posture, that constitute by hemispherical jut of the described relatively location of the 1st optics 10 holding member 30 from chimeric.These the 1st stance adjustment 17a of portion, 17b, 17c adjust the opposite face pitch angle of outgoing plane 13 with a corresponding surface 31 of location holding member 30 of the 1st optics 10 by adjusting its height in advance, carry out stance adjustment.
In the 2nd optics 20, leave the distance of regulation and do not belong to the regulation position of the described plane of incidence 21 sides of described effective coverage 24 with convex shaped part 26a, 26b, be formed for adjusting the 2nd 27a of stance adjustment portion, 27b, the 27c relative posture, that constitute by hemispherical jut of the described relatively location of the 2nd optics 20 holding member 30 from chimeric.These the 2nd stance adjustment 27a of portion, 27b, 27c are used for by adjusting its height in advance, adjust the opposite face pitch angle of the plane of incidence 21 with other corresponding surfaces 32 of location holding member 30 of the 2nd optics 20, carry out stance adjustment.
As Fig. 8 (a) (b) shown in (c),, be provided with and the 1st 17a of stance adjustment portion that is formed at the 1st optics 10, the 1st contact site 31a, 31b, 31c that 17b, 17c contact at the regulation position of a corresponding surface 31 of location holding member 30.
And,, be provided with and the 2nd 27a of stance adjustment portion that is formed at the 2nd optics 20 sides, the 2nd contact site 32a, 32b, 32c that 27b, 27c contact at the regulation position of other corresponding surfaces 32 of location holding member 30.
In addition, described the 1st stance adjustment portion and the 2nd stance adjustment portion also can not be located at the 1st optics 10 and the 2nd optics 20 sides, and are located at location holding member 30 sides.Fig. 9 (a) (b) (c) be corresponding diagram 8 (a) (b) (c) represent the figure of the variation of this location holding member 30 (a) to be the vertical view of presentation surface shape, (b) be along the 9b-9b line of (a) to pseudosection, (c) be the vertical view of expression back side shape.
As Fig. 9 (a) (b) shown in (c), form the 1st location holding member side stance adjustment 37a of portion, 37b, the 37c that constitutes by hemispherical jut at the corresponding surface 31 of location holding member 30.And, form the 2nd location holding member side stance adjustment 38a of portion, 38b, the 38c that constitutes by hemispherical jut at other corresponding surfaces 32 of location holding member 30.
The location holding member 30 of present embodiment utilizes the light-proofness material to form as previously described, and chimeric with convex shaped part 26a, 26b and the chimeric circular hole that forms the end with the 35a of concavity portion, 35b and 36a, 36b that can be chimeric with convex shaped part 15a, 15b and described the 2nd optics 20 of described the 1st optics 10 chimeric.Therefore, can prevent reliably that unwanted light from passing through between the 1st optics 10 and the 2nd optics 20 through described location holding member 30.And can not be subjected to the harmful effect that causes because of unwanted light.
(second embodiment)
Figure 10 (a) (b) (c) is the structural drawing of the optical module of expression second embodiment of the invention, (a) is the sectional view of major part, (b) with the sectional view that (c) is the variation of expression location holding member.The difference of this second embodiment and first embodiment is to have shade function in order to make the location holding member, at the regulation position of parts outside formation light-proofness film.
Promptly, shown in Figure 10 (a), the location holding member 30X of present embodiment uses transparent member as matrix material, but a corresponding surface 31 except the position that is formed with optically-variable aperture 33X, uses additive method such as bonding, coating to form light-proofness film 39X.In addition, described light-proofness film also can be formed on other corresponding surfaces 32 of holding member shown in Figure 10 (b).That is, at other corresponding surfaces 32 of holding member, except the formation part of optically-variable aperture 33Y, lining forms light-proofness film 39Y.In addition, described light-proofness film also can be formed on the two sides of holding member shown in Figure 10 (c).That is, on the two sides 31,32 of holding member, except the formation part of optically-variable aperture 3321,3322, lining forms light-proofness film 3921,3922.
(the 3rd embodiment)
Figure 11 (a) is the summary construction diagram of the digital camera of expression third embodiment of the invention (optical module PA of the present invention being applied to the application example of digital camera) (b), (a) being the example of representing optical module PA is applicable to the camera system of digital camera, (b) is the exemplary plot that expression is applicable to optical module PA the view finder system of digital camera.
Under Figure 11 (a) any situation (b), comprise that the optical system of optical module PA all constitutes the enclosure interior that is fit to be installed in digital camera 200.
(the 4th embodiment)
Figure 12 (a) is the summary construction diagram of the PC of expression four embodiment of the invention (optical module PA of the present invention being applicable to the application example of PC) (b), (a) being the side view of expression laptop, (b) is the summary section of the schematic configuration of expression major part.
As Figure 12 (a) (b) shown in, comprise that image pickup optical system 410, imaging apparatus 420 and the image data creating unit 430 etc. of optical module PA constitute the enclosure interior that is fit to be installed in PC 400.
And, also can be applicable to that portable good personal computer is PDA (Personal Digital Assistance), laptop computer (Handheld PC), palm PC (Pocket PC) etc. to optical module.
(the 5th embodiment)
Figure 13 (a) (b) (c) is the summary construction diagram of the mobile phone of expression fifth embodiment of the invention (optical module PA of the present invention being applicable to the application example of mobile phone), (a) be front view, (b) being side view, (c) is the summary section of the schematic configuration of expression major part.
(b) shown in (c), comprise that image pickup optical system 510, imaging apparatus 520 and the image data creating unit 530 etc. of optical module PA constitute the enclosure interior that is fit to be installed in mobile phone 500 as Figure 13 (a).In addition, 501 expression sound input microphones, 502 expression loudspeakers, 503 expression input action buttons, 504 expression monitor display frames, 505 expression antennas.
(feature of embodiment)
(1) the optical module PA shown in the embodiment, comprise: as the 1st optics 10 of prism, its constitute be mapped to regulation from object side the incident light of a plane of incidence 11 in backside reflection face 12 reflection of regulation with focal power, penetrate from the outgoing plane 13 of regulation; As the 2nd optics 20 of prism, its constitute be mapped to regulation from described the 1st optics 10 sides the incident light of a plane of incidence 21 in backside reflection face 22-1, the 22-2 of regulation reflection with focal power, penetrate from the outgoing plane 23 of regulation; Location holding member 30 is held in the relation that the relative position that makes both is kept regulation to described the 1st optics 10 and the 2nd optics 20, it is characterized in that,
Described the 1st optics 10 is at the peripheral position of the effective coverage 14 that the efficient beam of described outgoing plane 13 sides passes through, be provided for being entrenched in corresponding surface 31 sides chimeric of the described location holding member 30 relative with this outgoing plane 13 with convex shaped part 15a, 15b
Described the 2nd optics 20 is at the peripheral position of the effective coverage 24 that the efficient beam of the described plane of incidence 21 sides passes through, be provided for being entrenched in other corresponding surface 32 sides chimeric of the described location holding member 30 relative with this plane of incidence 21 with convex shaped part 26a, 26b
Described location holding member 30 forms the optically-variable aperture 33 that allows the light transmission between a described corresponding surface 31 and other corresponding surfaces 32 at the regulation position, and, a described corresponding surface 31 and the corresponding respectively formation of described other corresponding surfaces can with described the 1st optics 10 chimeric with convex shaped part 15a, 15b and described the 2nd optics 20 chimeric with convex shaped part 26a, 26b chimeric the chimeric with the concavity 35a of portion, 35b and 36a, 36b of the end arranged.
(2) optical module shown in the embodiment is based on described (1) described optical module, it is characterized in that, described location holding member 30 utilizes the light-proofness material to constitute.
(3) optical module shown in the embodiment is based on described (1) described optical module, it is characterized in that, described location holding member 30 forms the light-proofness film at its regulation position, outside.
(4) camera head shown in the embodiment comprises:
Image data creating unit 230 according to the output signal of described imaging apparatus 220, generates the view data of the communication of suitable record of stipulating or regulation; With
Optical module PA is characterized in that,
Described optical module PA has: as the 1st optics 10 of prism, its constitute be mapped to regulation from object side the incident light of a plane of incidence 11 in backside reflection face 12 reflection of regulation with focal power, the outgoing plane 13 from regulation penetrates again; As the 2nd optics 20 of prism, its constitute be mapped to regulation from described the 1st optics 10 sides the incident light of a plane of incidence 21 in backside reflection face 22-1, the 22-2 of regulation reflection with focal power, penetrate from the outgoing plane 23 of regulation; Location holding member 30 is held in the relation that the relative position that makes both is kept regulation to described the 1st optics 10 and the 2nd optics 20,
Described the 1st optics 10 is at the peripheral position of the effective coverage 14 that the efficient beam of described outgoing plane 13 sides passes through, be provided for being entrenched in corresponding surface 31 sides chimeric of the described location holding member 30 relative with this outgoing plane 13 with convex shaped part 15a, 15b
Described the 2nd optics 20 is at the peripheral position of the effective coverage 24 that the efficient beam of the described plane of incidence 21 sides passes through, be provided for being entrenched in other corresponding surface 32 sides chimeric of the described location holding member 30 relative with this plane of incidence 21 with convex shaped part 26a, 26b
Described location holding member 30 has: optical module PA, form the optically-variable aperture 33 that allows the light transmission between a described corresponding surface 31 and other corresponding surfaces 32 at the regulation position, and, a described corresponding surface 31 and the corresponding respectively formation of described other corresponding surfaces can with described the 1st optics 10 chimeric with convex shaped part 15a, 15b and described the 2nd optics 20 chimeric with convex shaped part 26a, 26b chimeric the chimeric with the concavity 35a of portion, 35b and 36a, 36b of the end arranged.
(5) camera head shown in the embodiment comprises:
Light image forms with optical system 350, and the light beam that penetrates according to the outgoing plane 23 from the regulation of the 2nd optics 20 of described optical module PA connects and is fit to the light image observed; With optical module PA, it is characterized in that, described optical module PA has the 1st optics 10 as prism, its constitute be mapped to regulation from object side the incident light of a plane of incidence 11 in backside reflection face 12 reflection of regulation with focal power, the outgoing plane 13 from regulation penetrates again; As the 2nd optics 20 of prism, its constitute be mapped to regulation from described the 1st optics 10 sides the incident light of a plane of incidence 21 in backside reflection face 22-1, the 22-2 of regulation reflection with focal power, the outgoing plane 23 from regulation penetrates again; Location holding member 30 is held in the relation that the relative position that makes both is kept regulation to described the 1st optics 10 and the 2nd optics 20,
Described the 1st optics 10 is at the peripheral position of the effective coverage 14 that the efficient beam of described outgoing plane 13 sides passes through, be provided for being entrenched in corresponding surface 31 sides chimeric of the described location holding member 30 relative with this outgoing plane 13 with convex shaped part 15a, 15b
Described the 2nd optics 20 is at the peripheral position of the effective coverage 24 that the efficient beam of the described plane of incidence 21 sides passes through, be provided for being entrenched in other corresponding surface 32 sides chimeric of the described location holding member 30 relative with this plane of incidence 21 with convex shaped part 26a, 26b
Described location holding member 30 has: optical module PA, form the optically-variable aperture 33 that allows the light transmission between a described corresponding surface 31 and other corresponding surfaces 32 at the regulation position, and, a described corresponding surface 31 and the corresponding respectively formation of described other corresponding surfaces can with described the 1st optics 10 chimeric with convex shaped part 15a, 15b and described the 2nd optics 20 chimeric with convex shaped part 26a, 26b chimeric the chimeric with the concavity 35a of portion, 35b and 36a, 36b of the end arranged.
(6) camera head shown in the embodiment is based on above-mentioned (4) described camera head, it is characterized in that, described optical module PA, imaging apparatus 210, and image data creating unit 230 constitute the enclosure interior that is fit to be installed in digital camera 200.
(7) camera head shown in the embodiment is based on above-mentioned (4) described camera head, it is characterized in that, described optical module PA, imaging apparatus 210, and image data creating unit 230 constitute the enclosure interior that is fit to be installed in PC 400.
(8) camera head shown in the embodiment is based on above-mentioned (4) described camera head, it is characterized in that, described optical module PA, imaging apparatus 210, and image data creating unit 230 constitute the enclosure interior that is fit to be installed in mobile phone 500.
The application of the invention can extremely stably provide to have the good optical characteristic and realize miniaturization, the optical module of slimming and the camera head that uses this optical module.
Claims (8)
1. optical module comprises: as the 1st optics of prism, its constitute be mapped to regulation from object side the incident light of a plane of incidence in the backside reflection face reflection of regulation with focal power, penetrate from an outgoing plane of regulation; As the 2nd optics of prism, its constitute be mapped to regulation from described the 1st optics side the incident light of a plane of incidence in the reflection of the backside reflection face of regulation with focal power, penetrate from an outgoing plane of regulation; The location holding member is held in the relation that the relative position that makes both is kept regulation to described the 1st optics and the 2nd optics, it is characterized in that,
Described the 1st optics is at the peripheral position of the effective coverage that the efficient beam of a described outgoing plane side passes through, and is provided for being entrenched in the chimeric convex shaped part of using of a corresponding surface side of the described location holding member relative with this outgoing plane,
Described the 2nd optics is at the peripheral position of the effective coverage that the efficient beam of a described plane of incidence side passes through, and is provided for being entrenched in the chimeric convex shaped part of using of other corresponding surface sides of the described location holding member relative with this plane of incidence,
Described location holding member forms the optically-variable aperture that allows the light transmission between a described corresponding surface and other corresponding surfaces at the regulation position, and, a described corresponding surface and the corresponding respectively formation of described other corresponding surfaces can with chimeric with convex shaped part and described the 2nd optics of described the 1st optics chimeric with the chimeric chimeric concavity portion that uses that the end is arranged of convex shaped part.
2. optical module according to claim 1 is characterized in that, described location holding member utilizes the light-proofness material to constitute.
3. optical module according to claim 1 is characterized in that, described location holding member forms the light-proofness film at its regulation position, outside.
4. camera head comprises:
Optical module, it comprises: as the 1st optics of prism, its constitute be mapped to regulation from object side the incident light of a plane of incidence in the reflection of the backside reflection face of regulation with focal power, penetrate from an outgoing plane of regulation; As the 2nd optics of prism, its constitute be mapped to regulation from described the 1st optics side the incident light of a plane of incidence in the reflection of the backside reflection face of regulation with focal power, penetrate from an outgoing plane of regulation; The location holding member is held in the relation that the relative position that makes both is kept regulation to described the 1st optics and the 2nd optics,
Imaging apparatus, carry out the relevant opto-electronic conversion of the light image that forms with the light beam that penetrates by outgoing plane from the described regulation of described optical module and
Image data creating unit according to the output signal of described imaging apparatus, generates the view data of the communication of suitable record of stipulating or regulation,
Described camera head is characterised in that:
Described the 1st optics is at the peripheral position of the effective coverage that the efficient beam of a described outgoing plane side passes through, and is provided for being entrenched in the chimeric convex shaped part of using of a corresponding surface side of the described location holding member relative with this outgoing plane,
Described the 2nd optics is at the peripheral position of the effective coverage that the efficient beam of a described plane of incidence side passes through, and is provided for being entrenched in the chimeric convex shaped part of using of other corresponding surface sides of the described location holding member relative with this plane of incidence,
Described location holding member forms the optically-variable aperture that allows the light transmission between a described corresponding surface and other corresponding surfaces at the regulation position, and, a described corresponding surface and the corresponding respectively formation of described other corresponding surfaces can with chimeric with convex shaped part and described the 2nd optics of described the 1st optics chimeric with the chimeric chimeric concavity portion that uses that the end is arranged of convex shaped part.
5. camera head according to claim 4 is characterized in that, described optical module, imaging apparatus, and image data creating unit constitute the enclosure interior that is fit to be installed in digital camera.
6. camera head according to claim 4 is characterized in that, described optical module, imaging apparatus, and image data creating unit constitute the enclosure interior that is fit to be installed in PC.
7. camera head according to claim 4 is characterized in that, described optical module, imaging apparatus, and image data creating unit constitute the enclosure interior that is fit to be installed in mobile phone.
8. camera head comprises:
Optical module, it comprises: as the 1st optics of prism, its constitute be mapped to regulation from object side the incident light of a plane of incidence in the reflection of the backside reflection face of regulation with focal power, penetrate from an outgoing plane of regulation; As the 2nd optics of prism, its constitute be mapped to regulation from described the 1st optics side the incident light of a plane of incidence in the reflection of the backside reflection face of regulation with focal power, penetrate from an outgoing plane of regulation; The location holding member is held in the relation that the relative position that makes both is kept regulation to described the 1st optics and the 2nd optics,
Light image forms use optical system, and the light beam that penetrates according to an outgoing plane from the regulation of the 2nd optics of described optical module connects the light image that is fit to observation,
Described camera head is characterised in that:
Described the 1st optics is at the peripheral position of the effective coverage that the efficient beam of a described outgoing plane side passes through, and is provided for being entrenched in the chimeric convex shaped part of using of a corresponding surface side of the described location holding member relative with this outgoing plane,
Described the 2nd optics is at the peripheral position of the effective coverage that the efficient beam of a described plane of incidence side passes through, and is provided for being entrenched in the chimeric convex shaped part of using of other corresponding surface sides of the described location holding member relative with this plane of incidence,
Described location holding member forms the optically-variable aperture that allows the light transmission between a described corresponding surface and other corresponding surfaces at the regulation position, and, a described corresponding surface and the corresponding respectively formation of described other corresponding surfaces can with chimeric with convex shaped part and described the 2nd optics of described the 1st optics chimeric with the chimeric chimeric concavity portion that uses that the end is arranged of convex shaped part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003373569 | 2003-10-31 | ||
| JP2003373569A JP2005134826A (en) | 2003-10-31 | 2003-10-31 | Optical element assembly and imaging apparatus equipped therewith |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1611984A CN1611984A (en) | 2005-05-04 |
| CN1301417C true CN1301417C (en) | 2007-02-21 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100867855A Expired - Fee Related CN1301417C (en) | 2003-10-31 | 2004-10-29 | Optical assembly and image sensing apparatus with said assembly |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2005134826A (en) |
| CN (1) | CN1301417C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018180339A1 (en) * | 2017-03-30 | 2018-10-04 | Hoya株式会社 | Electronic endoscope device |
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| JPH0511196A (en) * | 1991-07-08 | 1993-01-19 | Olympus Optical Co Ltd | Visual field direction conversion optical system for endoscope |
| US5835276A (en) * | 1996-02-21 | 1998-11-10 | Olympus Optical Co., Ltd. | Optical system having compound prism design to reduce ghosts and plares |
| US5847887A (en) * | 1995-02-28 | 1998-12-08 | Ohtsuka Patent Office | Optical apparatus |
| JPH11326766A (en) * | 1998-05-19 | 1999-11-26 | Olympus Optical Co Ltd | Image-formation optical system and device using the system |
| JPH11337811A (en) * | 1998-05-22 | 1999-12-10 | Olympus Optical Co Ltd | Optical prism, mirror frame, and optical assembly |
| US6243208B1 (en) * | 1996-08-22 | 2001-06-05 | Canon Kabushiki Kaisha | Optical element, optical system using optical element, and optical device with optical element |
| JP2002267928A (en) * | 2001-03-08 | 2002-09-18 | Konica Corp | Image pickup lens |
| JP2002320122A (en) * | 2001-04-20 | 2002-10-31 | Konica Corp | Imaging device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4677118B2 (en) * | 2001-04-25 | 2011-04-27 | オリンパス株式会社 | Image display device and imaging device |
-
2003
- 2003-10-31 JP JP2003373569A patent/JP2005134826A/en active Pending
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2004
- 2004-10-29 CN CNB2004100867855A patent/CN1301417C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0511196A (en) * | 1991-07-08 | 1993-01-19 | Olympus Optical Co Ltd | Visual field direction conversion optical system for endoscope |
| US5847887A (en) * | 1995-02-28 | 1998-12-08 | Ohtsuka Patent Office | Optical apparatus |
| US5835276A (en) * | 1996-02-21 | 1998-11-10 | Olympus Optical Co., Ltd. | Optical system having compound prism design to reduce ghosts and plares |
| US6243208B1 (en) * | 1996-08-22 | 2001-06-05 | Canon Kabushiki Kaisha | Optical element, optical system using optical element, and optical device with optical element |
| JPH11326766A (en) * | 1998-05-19 | 1999-11-26 | Olympus Optical Co Ltd | Image-formation optical system and device using the system |
| JPH11337811A (en) * | 1998-05-22 | 1999-12-10 | Olympus Optical Co Ltd | Optical prism, mirror frame, and optical assembly |
| JP2002267928A (en) * | 2001-03-08 | 2002-09-18 | Konica Corp | Image pickup lens |
| JP2002320122A (en) * | 2001-04-20 | 2002-10-31 | Konica Corp | Imaging device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1611984A (en) | 2005-05-04 |
| JP2005134826A (en) | 2005-05-26 |
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