CN101102409A - Imaging device, portable terminal with the same and manufacturing method for the imaging device - Google Patents

Abstract

This invention relates to dust-proof, moisture-proof structures of the image pickup devices mounted in small-size thin types of electronic apparatus. More specifically, an image pickup device of this invention includes an image pickup element, a mounting base having a formed leg section which abuts on the image pickup element, an image pickup optical system that guides photographic object light to the imaging region of the image pickup element, and an outer frame member that contains the image pickup element, the mounting base, and the image pickup optical system. The space formed at the photoelectric conversion plane side of the image pickup element is sealed by using the mounting base or by using the mounting base and a part of the outer frame member.

Description

Camera head, have the manufacture method of the portable terminal device and the camera head of this camera head

The application's denomination of invention that to be Konica Minolta Opto Inc proposed on 07 05th, 2004 is dividing an application of 200480019070.6 application for " camera head, have the manufacture method of the portable terminal device and the camera head of this camera head ", application number.

Technical field

The present invention relates to camera head, relate in particular to small-sized, the slim camera head that is loaded into portable terminal device, and can carry out close-up photography (Macro photography) camera head and manufacture method thereof.

Background technology

Rose in the past, had small-sized slim camera head is loaded into small-sized, slim electronic apparatus such as mobile phone or PC and PDA (Personal Digital Assistant) etc., thus, be far apart the area each other, be not only acoustic information, and can transmitted image information.

Be loaded into the camera head of these portable terminal devices, because the focal length of image pickup optical system is very short, and aperture F value is about 2～4, so, the depth of focus of picture side is very shallow, when the image pickup optical system optical axis direction is made a video recording the position of face surely, requires to have very strict precision.In addition, each light accepting part that carries out light-to-current inversion is being disposed by the spacing with a few μ m, therefore, on the micro lens that disposes on the photo detector, when covering the dust of subject light beam, causes obstacle will for the image information of subject.

As the imaging apparatus that is used for these camera heads, the solid-state imager of use CCD (ChargeCoupled Device) type image sensor or CMOS (ComplementaryMetal-Oxide Semiconductor) type image sensor etc. is arranged now.

At these, relevant for the position determination method of the image pickup optical system of camera head and the motion of dust-control method.For example, unnecessaryly when making camera head carry out the focus adjustment, the foot that forms one with optics is bumped connect imaging apparatus, by in the imaging apparatus direction optics being loaded with loading component, so gradually, fix the position of the optical axis direction of imaging apparatus and optics, this have a technology dustproof, moisture barrier structure, and disclosed (for example, with reference to patent documentation 1) arranged.

In recent years, these camera heads are in order to reach more substantial function, image pickup optical system is not only arranged fixedly, utilize the pan focus photography of the dark subject degree of depth, and the dollying optical system has been arranged, and make close-up photography become possible launch.

Can carry out the camera head of close-up photography as these, for example, on photographic lens and tubular microscope base, reciprocally form projection and inclination cam path, by rotating photographic lens photographic lens is moved on optical axis direction, the focus adjustment when assembling, and, utilize this tipper, making near photography becomes possible technology, and disclosed (for example, with reference to patent documentation 2) arranged.

On the other hand, because above-mentioned solid-state imager itself is to have spectral sensitivity till infrared spectral range, so, be before subject light arrives imaging apparatus, infrared spectral range is blocked.

Relevant this ultrared blocking has the technology (for example, with reference to patent documentation 3) in the former configuration infrared ray cut filter of imaging lens system.

(patent documentation 1) spy opens the 2003-37758 communique

(patent documentation 2) spy opens the 2002-82271 communique

(patent documentation 3) spy opens the 2002-341218 communique

First problem as the present invention need solve has following content.

Be loaded into the camera head of above-mentioned portable terminal device,, be accompanied by the requirement that image is had high quality, require to have loaded in the camera head high pixel count imaging apparatus along with the raising of popularity rate.

But, owing to wish to reach the image of picture high-quality, the high pixel countization of imaging apparatus makes pixel separation reduce, cause to allow on the photoelectric conversion surface of imaging apparatus the size of the dust that adheres to become littler, even developed into the dust of enclosing the size of with the naked eye not seeing, also may cover the light beam of subject, the state that cause and can not get view data, becomes problem.

Be directed to this, the camera head of record in the above-mentioned patent documentation 1, when locating, optical axis direction do not need to adjust operation carrying out imaging apparatus and optics, be a kind ofly easy can prevent the effective ways that external dust enters, but, when if inside is in situations such as little vibration for a long time, because of the foot of optics and picture frame across wall between the wearing and tearing that cause of contact, or because the wearing and tearing of bumping the portion of connecing of foot and imaging apparatus produce dust, if these dusts are attached to above the imaging apparatus, then the subject light beam is covered, and has generation the subject view data to be caused the situation of the shortcoming of obstacle.

In addition, when the dollying optical system is carried out zoom or approaching photography, be necessary the functional unit or the driver part that are used for the dollying optical system are done mechanical connection, at this moment, exist external dust to enter, the problem of same shortcoming takes place from this connecting portion.

Second problem as the present invention need solve has following content.

Along with the slimming of carrying utensil, the camera head that requires to be loaded into portable terminal device must be extremely thin, if use in the past ceramic insert or resin mould plug-in unit, then is difficult to meet this requirement.Therefore, general is the semiconductor image sensing chip that will form as the micro-lens array of imaging apparatus, the intactly real printed base plate that constitutes camera head that is loaded on, afterwards, assembling optical system etc. like this, is carried out small-sized slimming by integrated.

In addition, these portable terminal devices are carried by the user, use under various environmental conditions.Especially imaging apparatus is in high humility situation following time for a long time, and corrode on the surface of imaging apparatus, brings bad influence to micro lens, causes reliability to reduce.

At these, the camera head of record in the patent documentation 2, be on photographic lens, to form projection, on the tubular microscope base, form the cam path of inclination, the aperture diaphragm block seat that is configured in the camera head front end by rotation rotates photographic lens, and it is moved at optical axis direction along this tipper, if take such structure, then moisture does not have the part of projection and the gap between the tubular microscope base inboard to enter from the photographic lens circumference easily, exists one imaging apparatus had dysgenic problem.

In addition, adopting cam path or cam surface, when optical system is moved along this cam,, then existing and bring obstacle, the problem of the optical axis generation deflection of image pickup optical system for the work of image pickup optical system if adhere to foreign matter on this cam surface.

In addition, along with the slimming of carrying instrument, the camera head that requirement is loaded into these portable terminal devices is extremely thin.

Be directed to this, the camera head of record does not relate to the record of blocking infrared method in the patent documentation 2, does not have the clear and definite infrared ray that how to block.

In addition, the camera head of record in the patent documentation 3, because be in the former configuration of imaging lens system the infrared ray cut filter, so, it is not only imaging lens system that the total length of camera head becomes, also must add the thickness of infrared ray cut filter, have a total length, be the problem that thickness increases.

And such camera head is 1cm with regard to volume ³Following very little device when operating personnel carry out hand assembled, must be very meticulous operation, and its assembly cost is very high.In addition, with manually assembling, be difficult to the promptly increase and the minimizing of corresponding requirement.Therefore, should consider to carry out automation assembling, with increase and decrease low-cost and can corresponding requirement.

On the other hand, the camera head of record in the above-mentioned patent documentation 2, be on photographic lens and tubular microscope base, reciprocally to form projection and tipper, when assembling, projection and tipper are coincide, and must after rotate photographic lens and it does not come off, have a problem like this, promptly this structure is not to be fit to the automation assembled construction.

Summary of the invention

The present invention in view of the above problems, to obtain a kind of dust that enters from the outside or to cause that by internal operations the dust of generation, the non-cohesive portable terminal device that causes the camera head of obstacle to view data and have this camera head on imaging apparatus are first purpose.

In addition, to obtain a kind of is that image pickup optical system is along the cam moving structure, non-cohesive foreign matter on the cam, can access the correct work of optical system, can prevent that moisture from entering on the imaging apparatus of camera head internal configurations, for the feature shooting, photographic optical system is that mobile possible camera head and the portable terminal device that has it are second purpose.

In addition, the present invention is in view of above-mentioned the 3rd problem, is for feature shooting, photographic optical system are movably to obtain a kind of, and camera head that is slimming again and the portable terminal device that has it are the 3rd purpose.

The present invention in view of the above problems, with obtain a kind of can automation assembling, with low-cost, can adapt to that requirement increases and decreases, the camera head that can carry out close-up photography is the 4th purpose.

Above-mentioned first problem can be resolved by following way.A kind of camera head, it is characterized in that, comprise: imaging apparatus, be formed with the pedestal that bumps the foot that connects with this imaging apparatus, with the subject photoconduction to the image pickup optical system of the camera watch region of aforementioned imaging apparatus and housing parts that aforementioned imaging apparatus and aforementioned pedestal and aforementioned image pickup optical system are surrounded; By the aforementioned pedestal or the part of aforementioned pedestal and aforementioned housing parts, seal the space of the photoelectric conversion surface side of aforementioned imaging apparatus.

In addition, in this camera head, preferably bump under the state that connects in foot and aforementioned imaging apparatus, aforementioned pedestal be positioned at substrate or the aforementioned housing adhering components that the locational adhesive portion different with aforementioned foot and aforementioned reality have been adorned imaging apparatus, seal the space of the photoelectric conversion surface side of aforementioned imaging apparatus.

In addition, in this camera head, preferably image pickup optical system forms with aforementioned pedestal and bumps the portion of connecing of bumping that connects, and aforementioned image pickup optical system is loaded to aforementioned pedestal by loading component.

In addition, in this camera head, preferably pedestal has cam surface, rotates on aforementioned cam surface by aforementioned image pickup optical system, and aforementioned image pickup optical system moves along optical axis.

In addition, in this camera head, preferably pedestal has with what differing heights formed and bumps to connect and use horizontal plane, and any one of aforementioned image pickup optical system selection aforementioned levels face assembled.

In addition, in this camera head, preferably the photography light beam at pedestal sees through a part that forms the optics that constitutes photographic optical system in the portion.

In addition, in this camera head, preferably on pedestal, form the infrared ray cut filter.

In addition, in this camera head, preferably image pickup optical system is made of a plurality of opticses, and this optics bumps mutually and connects.

By making portable terminal device have above-mentioned any one camera head, can access a kind of portable terminal device that is mounted with the camera head that has solved above-mentioned first problem.

In addition, above-mentioned second problem is solved by following way.

1) a kind of camera head, it is characterized in that, comprise: the imaging apparatus of light-to-current inversion subject light, with the image pickup optical system of subject photoconduction, has the base member that the portion of connecing bumps the cam part of the cam surface that connects and keeps aforementioned cam part that bumps that forms on the position beyond the optics significant surface with this image pickup optical system to the light-to-current inversion zone of this imaging apparatus; Aforementioned cam part has the layer difference portion that is lower than aforementioned cam surface, and is bonding by the bonding agent and the aforementioned base member that are coated in this layer difference portion.

2) 1) camera head in, aforementioned cam part is inlayed by the circumferential lateral surface and the aforementioned base member of aforementioned cam part, seals the space of aforementioned imaging apparatus side by aforementioned bonding agent.

3) 1) or 2) camera head in, on aforementioned cam part, form a plurality of aforementioned cam surfaces, on the zone between a plurality of cam surfaces, also formed aforementioned layers difference portion.

4) 1)～3) any one camera head in, aforementioned cam part has with aforementioned imaging apparatus and bumps the foot that connects, bump at this foot and aforementioned imaging apparatus and to be adhered to aforementioned base member under the state of connecing, aforementioned image pickup optical system is loaded to aforementioned shooting optical element direction by loading component, bumps by the aforementioned cam surface that bumps the portion of connecing and aforementioned cam part to connect.

Above-mentioned the 4th problem is solved by following way.

5) a kind of camera head, it is characterized in that, comprise: the imaging apparatus of light-to-current inversion subject light, with the image pickup optical system of subject photoconduction, has the cam part that the cam surface that connects bumps in the portion of connecing that bumps that forms on the position beyond the optics significant surface with this image pickup optical system to the light-to-current inversion zone of this imaging apparatus; Aforementioned cam part has the transmittance section that is formed by translucent material, and the face with having formed aforementioned cam surface side homonymy in this transmittance section is formed, and its peripheral surface portion is positioned at the position more outstanding than aforementioned cam surface at least, implements infrared ray and block coating on this face.

6) 5) camera head in, aforementioned transmittance section be cover aforementioned imaging apparatus the light-to-current inversion side be formed on the aforementioned cam part, simultaneously, aforementioned cam part has with aforementioned imaging apparatus and bumps the foot that connects, bump under the state that connects at this foot and aforementioned imaging apparatus and to be fixed, aforementioned image pickup optical system is loaded to aforementioned imaging apparatus direction by loading component, bumps by the aforementioned aforementioned cam surface that bumps the portion of connecing and aforementioned cam part to connect.

7) 5) or 6) camera head in, aforementioned to have implemented the face that infrared ray blocks coating be the face of the subject light incident side of aforementioned transmittance section, is concave surface with this face.

Above-mentioned the 4th problem is solved by following way.

8) a kind of camera head, it is characterized in that, comprise: the real printed base plate of having adorned the imaging apparatus of light-to-current inversion subject light, with the image pickup optical system of subject photoconduction to the light-to-current inversion zone of aforementioned imaging apparatus, has the cam part that the cam surface that connects bumps in the portion of connecing that bumps that forms on the position beyond the optics significant surface with this image pickup optical system, the base member that keeps aforementioned cam part is when surrounding the housing parts of aforementioned image pickup optical system at least and being disposed at the lateral surface of aforementioned housing parts rotationally, the rotatable parts of the holding section that integrally formed and aforementioned optics system card close; Be on aforementioned printed base plate, assemble aforementioned base member, aforementioned cam part, aforementioned housing parts, aforementioned image pickup optical system, such rotation parts from same direction mounting and constitute.

9) a kind of manufacture method of camera head, this camera head comprises: the real printed base plate of having adorned the imaging apparatus of light-to-current inversion subject light, with the image pickup optical system of subject photoconduction to the light-to-current inversion zone of aforementioned imaging apparatus, have form on the position beyond the optics significant surface with this image pickup optical system bump the portion of connecing when bumping the cam surface that connects, have the cam part that bumps the foot that connects with aforementioned imaging apparatus, and when being disposed at the lateral surface of aforementioned housing parts rotationally, the rotatable parts of the holding section that integrally formed and aforementioned optics system card close, in the manufacture method of this camera head, it is characterized in that, comprising: the operation of mounting and fixing aforementioned base member on the assigned position of aforementioned printed base plate; Aforementioned cam part is fallen into aforementioned base member, bump the operation that is fixed in aforementioned base member under the state that connects in aforementioned foot and aforementioned imaging apparatus; On aforementioned base member, fix the operation of aforementioned housing parts; Pack in the inboard of the aforementioned housing parts operation of aforementioned image pickup optical system; With pack into the lateral surface of aforementioned housing parts of such rotation parts, the operation that aforementioned holding section is engaged with image pickup optical system.

10) a kind of camera head, it is characterized in that, comprise: the real printed base plate of having adorned the imaging apparatus of light-to-current inversion subject light, with the image pickup optical system of subject photoconduction to the light-to-current inversion zone of aforementioned imaging apparatus, has the cam part that the cam surface that connects bumps in the portion of connecing that bumps that forms on the position beyond the optics significant surface with this image pickup optical system, at least surround the main casing of aforementioned cam part and aforementioned image pickup optical system, when being configured in aforementioned main casing lateral surface rotationally, the rotatable parts of the holding section that integrally formed and aforementioned optics system card close; Be on aforementioned printed base plate, assemble aforementioned main casing, aforementioned cam part, aforementioned image pickup optical system, such rotation parts from same direction mounting and constitute.

11) a kind of manufacture method of camera head, this camera head comprises: the real printed base plate of having adorned the imaging apparatus of light-to-current inversion subject light, with the image pickup optical system of subject photoconduction to the light-to-current inversion zone of aforementioned imaging apparatus, have form on the position beyond the optics significant surface with this image pickup optical system bump the portion of connecing when bumping the cam surface that connects, have the cam part that bumps the foot that connects with aforementioned imaging apparatus, at least surround the main casing of aforementioned cam part and aforementioned image pickup optical system, when being configured in aforementioned main casing lateral surface rotationally, the rotatable parts of the holding section that integrally formed and aforementioned optics system card close, in the manufacture method of this camera head, it is characterized in that, comprising: the operation of mounting and fixing aforementioned main casing on the assigned position of aforementioned printed base plate; Aforementioned cam part is fallen into aforementioned main casing, bump the operation that is fixed in aforementioned main casing under the state that connects in aforementioned foot and aforementioned imaging apparatus; Pack in the inboard of the aforementioned main casing operation of aforementioned image pickup optical system; With pack into the lateral surface of aforementioned main casing of such rotation parts, the operation that aforementioned holding section is engaged with image pickup optical system.

12) a kind of portable terminal device is characterized in that, has 1)～11) any one camera head.

Description of drawings

Fig. 1 is the figure of expression as the outward appearance of the mobile phone T of an example of the interior portable terminal device of having adorned camera head of the present invention.

Fig. 2 is the stereogram of the camera head 100 of the present invention's the 1st execution mode.

Fig. 3 (a) and Fig. 3 (b) dissect camera head 100 and the sectional view that obtains with the line of F-F shown in Fig. 2.

Fig. 4 is the stereogram that is used for the pedestal of camera head 100.

Fig. 5 dissects the camera head 150 in the present invention's the 2nd execution mode and the sectional view that obtains with the line of F-F shown in Fig. 2.

Fig. 6 is the stereogram that is used for the pedestal of camera head 150.

Fig. 7 is the stereogram of the camera head 200 of the present invention's the 3rd execution mode.

Fig. 8 dissects the camera head 200 in the present invention's the 3rd execution mode and the sectional view that obtains with the line of G-G shown in Fig. 7.

Fig. 9 is the plane graph that is used for the pedestal of camera head 200.

Figure 10 is that the position that connects usefulness projection and location usefulness projection of bumping that forms on the image pickup optical system concerns the summary floor map.

Figure 11 (a), Figure 11 (b), Figure 11 (c) and Figure 11 (d) are that the location of housing parts and pedestal uses the position of projection to concern generalized schematic with the location of projection and the 3rd lens.

Figure 12 (a) and Figure 12 (b) dissect the camera head 300 in the present invention's the 4th execution mode and the sectional view that obtains with the line of G-G shown in Fig. 7.

Figure 13 is the stereogram of the camera head 400 among the present invention.

Figure 14 (a) and Figure 14 (b) are the sectional views of the internal structure generalized schematic of camera head 400 of the present invention.

Figure 15 is the stereogram of base member.

Figure 16 is the stereogram of cam part.

Figure 17 is the stereogram of housing parts.

Figure 18 (a) and Figure 18 (b) by the one blocking the stereogram of image pickup optical system.

Figure 19 is the stereogram of rotatable parts.

Figure 20 is across the housing parts, the snap-fit relationship schematic cross-section of the 3rd lens of rotatable parts and image pickup optical system.

Figure 21 is the stereogram of the camera head 500 among the present invention.

Figure 22 is the summary sectional view of the internal structure of expression camera head 500 of the present invention.

Figure 23 is the assembly direction of the camera head among expression the present invention and the figure of order.

Figure 24 is the assembly direction of the camera head among expression the present invention and the figure of other example in proper order.

Embodiment

Below, by execution mode the present invention is elaborated, but the present invention is not limited to this.

Fig. 1 is the figure of expression as the outward appearance of the mobile phone T of an example of the portable terminal device that has loaded camera head of the present invention.

Mobile phone T shown in Figure 1 is that the upper shell 71 as housing that has display frame D links by hinge 73 with the lower house 72 that has action button P.Camera head S is loaded into the below of the display frame D in the upper shell 71, and camera head S is configured to obtain the light that comes from upper shell 71 outer surface sides.

The below of the display frame D of upper shell 71 has disposed circular-arc peristome 74 and functional unit 15 is exposed from this peristome 74.By making this functional unit 15 in peristome 74, above diagram, move the focusing position when being set at close-up photography.

And the position of this camera head also can be configured in top or the side of the display frame D in the upper shell 71, and the position of relevant functional unit 15 too.In addition, certainly, mobile phone is not limited to folding.

(the 1st execution mode)

Fig. 2 is the stereogram of the camera head 100 of the present invention's the 1st execution mode.Be equivalent to camera head S among Fig. 1 with the camera head 100 of figure.

As shown in Figure 2, the outer surface of camera head 100, by the real printed base plate 11 of having adorned imaging apparatus, be used to connect other control basal plate of portable terminal device connection substrate 17, connect printed base plate 11 and the pliable and tough printed panel FPC, the housing parts 12 that are connected substrate 17, be contained in the top cover part 13 of this housing parts 12, with the integrally formed lug boss 12b of housing parts 12 on the functional unit 15 that is being rotatably mounted and rotationally the screw with the level 16 of fixing operation parts 15 constitute.

Fig. 3 (a) dissects camera head 100 and the sectional view that obtains with the line of F-F shown in Fig. 2.Below for fear of the explanation repetition, same parts are put on same symbol, describe.

In figure, the inside of housing parts 12 is by image pickup optical system 50, pedestal 6, the real imaging apparatus 8 that is loaded on printed base plate 11, constitute as the collapse coil spring 9 and the cover part 13 of loading component, this image pickup optical system 50 is from the object side, is made of aperture diaphragm the 4, the 2nd lens 2, the fixed aperture 5a, the 5b that are used to block unnecessary light, the 3rd lens 3 of the 1st lens 1, decision image pickup optical system aperture F value.

Pedestal 6 among the present invention, at least 3 places have formed with imaging apparatus 8 and have bumped the 6d of foot that connects on its image planes side.

Fig. 4 is the stereogram that is used for the pedestal 6 of camera head 100.With figure is to see figure in the past from image pickup optical system 50 sides.

As shown in Figure 4, pedestal 6 is shaped by translucent material, on image pickup optical system 50 sides, has formed highly lower horizontal plane D, highly higher horizontal plane E and the inclined plane F (hereinafter referred to as cam surface) that connects these horizontal planes with about 120 ° interval.And, see through the 6t of portion by the shooting light beam that forms planopaallel plate and constitute with the 6h of frame portion that forms tetragonal case shape.

Get back to Fig. 3 (a), this pedestal 6 is assembled into by around the 6h of the frame portion encirclement imaging apparatus 8, as shown in the figure, bump the state that connects at 6d of foot and imaging apparatus 8, (for example pass through adhesive A with the 6h of frame portion on the 6d of the foot diverse location as adhesive portion, the ultraviolet hardening bonding agent) bonding with printed base plate 11, seal.That is, by this pedestal 6, the space of the photoelectric conversion surface side of imaging apparatus 8 is sealed to isolated space, makes to prevent that external dust from entering this space and becoming possibility.

In addition because the adhesive portion of 6d of foot and the 6h of frame portion is different face, so, adhesive A can not enter the 6d of foot below, the optical axis direction of image pickup optical system can not depart from yet.

And housing parts 12 are with its periphery, are adhesively fixed with printed base plate 11 by bonding agent B (for example, rubber-like bonding agent).

Fig. 3 (b) is after housing parts 12 and printed base plate 11 being bumped connect, the example that is adhesively fixed by bonding agent B.Compare with Fig. 3 (a), housing parts 12 and printed base plate 11 are bumped to be connect, and, by bumping the part that connects the space is set at pedestal 6 and housing parts 12, like this, impact can be reduced, consequently the influence that the outside is applied to the impact on the imaging apparatus 8 can be reduced more the optical axis direction of pedestal 6.

As shown in the figure, image pickup optical system 50 is to connect by the 1st lens the 1, the 2nd lens the 2, the 3rd lens 3 are bumped mutually by the flange part beyond the optics significant surface, with bonding agent etc. mutually set by blocking, owing to not constituting between miscellaneous part, so, can assemble to such an extent that lens do not have interval error each other.

On the shooting face side of the 3rd lens 3 that constitute this image pickup optical system 50, formed projection 3a with about 120 ° interval, be configured to correspondingly with the cam surface that forms on the pedestal 6, the cam surface by this projection 3a and pedestal 6 bumps and connects.And, on the object side of the flange part of the 3rd lens 3, the collapse coil spring 9 of having packed between the flange part of cover part 13 and the 3rd lens 3.By this collapse coil spring 9, image pickup optical system 50 and pedestal 6 are loaded to imaging apparatus 8 directions.

On the other hand, the lug boss 15b that forms on rotating functional unit 15 by screw 16 with the level, is assembled into the double-fork part 3f of the 3rd lens 3 and engages (with reference to Fig. 2).This functional unit 15 that peristome 74 from portable terminal device T shown in Figure 1 exposes, the position that the person of being to use operates.

The camera head 100 that constitutes like this, by rotating operation functional unit 15, the double-fork part 3f of the 3rd lens 3 that engage with lug boss 15b also is rotated, the projection 3a that forms on the 3rd lens 3 moves to upper level E through inclined plane F from the low level D of cam surface, equals image pickup optical system 50 like this along optical axis direction subject side shifting.Therefore, can do the switching of longshot and close-range photography.

That is,, can solve entering or entering of external dust, on imaging apparatus, cause the problem of obstacle to view data by the dust that the action of inside produces by light-to-current inversion side space with pedestal 6 sealing imaging apparatuss 8.And, by forming cam surface having to bump on the pedestal 6 of the 6d of foot that connects with imaging apparatus 8, the image pickup optical system that is loaded by loading component is bumped to be connect, thus, can make the intervention parts that participate in the optical axis direction position have only pedestal 6, make the correct location of optical axis direction of imaging apparatus and image pickup optical system also become possibility, and can access the camera head that also can carry out near photography.

(the 2nd execution mode)

Below the 2nd execution mode of the present invention is described.The 2nd execution mode has shown the example with the space of the photoelectric conversion surface side of the part sealing imaging apparatus of pedestal and housing parts.

Have the outward appearance of mobile phone T of camera head of the 2nd execution mode and the stereogram of camera head 150, since the same with Fig. 1 and Fig. 2, so omit.In addition, following camera head 150 is equivalent to the camera head S among Fig. 1.

Fig. 5 dissects the camera head 150 in the present invention's the 2nd execution mode and the sectional view that obtains with the line of F-F shown in Fig. 2.Below for fear of the explanation repetition, same parts are put on same symbol, the part that is different from the 1st execution mode is described.

In figure, the inside of housing parts 12 is by the image pickup optical system 50 identical with Fig. 3 (a), pedestal 6, the real imaging apparatus 8 that is loaded on printed base plate 11, constitute as the collapse coil spring 9 and the cover part 13 of loading component.

Shown in figure, pedestal 6 at least 3 places on the image planes side have formed with imaging apparatus 8 and have bumped the 6d of the pin portion of bumping that connects.

Fig. 6 is the stereogram that is used for the pedestal 6 of camera head 150.This figure sees figure in the past from image pickup optical system 50 sides.

As shown in Figure 6, pedestal 6 is shaped by translucent material, same with Fig. 4, on image pickup optical system 50 sides, with about 120 ° inclined plane F (hereinafter referred to as cam surface) that has been partitioned into highly lower horizontal plane D, highly higher horizontal plane E, has connected these horizontal planes.And constitute with projection 6k through the 6t of portion, the 6j of eaves portion, location by the shooting light beam that forms planopaallel plate.

Get back to Fig. 5, this pedestal 6 is assembled into do not have illustrated notch and the location that form on the housing parts 12 is coincide with jut 6k position, as shown in the figure, as the 6j of eaves portion of adhesive portion and location with connecing face in jut 6k and the housing parts 12, bonding and the sealing by adhesive A (for example, ultraviolet hardening bonding agent).And, with periphery and the printed base plate 11 bonding and sealings of adhesive A, then, be adhesively fixed earlier with bonding agent B (for example, rubber-like bonding agent) with housing parts 12.At this moment, bonding agent B also can omit as strengthening intensity.

That is, by the periphery of pedestal 6 and housing parts 12, the isolated space of photoelectric conversion surface side space sealing one-tenth with imaging apparatus 8 can prevent that external dust from entering this space.

Like this camera head 150 that constitutes, with Fig. 3 (a) in illustrated same action, image pickup optical system 50 can carry out the switching of longshot and close-range photography to the subject side shifting along optical axis.

That is, by light-to-current inversion side space with the part sealing imaging apparatus 8 of pedestal 6 and housing parts, can solve external dust enter or dust that internal work produces enters, on imaging apparatus, cause the problem of obstacle to view data.And it is same, by forming cam surface having to bump on the pedestal 6 of the 6d of foot that connects with imaging apparatus 8, the image pickup optical system that is loaded by loading component 9 is bumped to be connect, thus, can make the intervention parts that participate in the optical axis direction position have only pedestal 6, the correct location of the optical axis direction of imaging apparatus and image pickup optical system also becomes possibility, and can access the camera head that also can carry out near photography.

(the 3rd execution mode)

Below the 3rd execution mode of the present invention is described.The 3rd execution mode is the face of connecing that bumps that has the level that forms with differing heights on the pedestal, and image pickup optical system can select any one to bump the example that the face of connecing assembles.

Having the outward appearance of mobile phone T of the camera head of the 3rd execution mode, is to omit deletion peristome 74, functional unit 15 from structure shown in Figure 1.Following camera head 200 is equivalent to the camera head S among Fig. 1.

Fig. 7 is the stereogram of the camera head 200 of the 3rd execution mode of the present invention.Below for fear of the repetition of explanation, the said function parts are put on same symbol, to describing with the different part of above-mentioned the 1st, the 2nd execution mode.

Shown in figure, the outer surface of camera head 200, by the real printed base plate 11 of having adorned imaging apparatus, be used to connect other control basal plate of portable terminal device connection substrate 17, connect this printed base plate 11 and the pliable and tough printed panel FPC, the housing parts 12 that are connected substrate 17, the cover part 13 that is contained on these housing parts 12 constitutes.

Fig. 8 dissects the camera head 200 in the 3rd execution mode of the present invention and the sectional view that obtains with the line of G-G shown in Fig. 7.

In figure, the inside of housing parts 12 is by the image pickup optical system 50 identical with Fig. 3 (a) and pedestal 6, the real imaging apparatus 8 that is loaded on printed base plate 11, constitute as collapse coil spring 9, the cover part 13 of loading component.Shown in figure, pedestal 6 at least 3 places on the image planes side have formed with imaging apparatus 8 and have bumped the 6d of the pin portion of bumping that connects.

On the object side of the flange part of the 3rd lens of formation image pickup optical system 50, the collapse coil spring 9 of having packed between the flange part of cover part 13 and the 3rd lens.By this collapse coil spring 9, image pickup optical system 50 and pedestal 6 are loaded to imaging apparatus 8 directions.

Fig. 9 is the plane graph that is used for the pedestal 6 of camera head 200.With figure is to see figure in the past from image pickup optical system 50 sides.

In figure, pedestal 6 is shaped by translucent material, and on image pickup optical system 50 sides, the interval with about 120g has formed highly different horizontal plane K, L, M, N respectively, and each 3 place has the horizontal plane of equal height on the circumference.That is, with being that the height that bumps the face of connecing apart from the 6d of foot (with reference to Fig. 8) is identical with the position of symbol among the figure, form with 4 kinds of horizontal planes of differing heights.And constitute with projection 6k through the 6t of portion, the 6j of eaves portion, location by the shooting light beam that forms planopaallel plate.

This location is embedded in the location division that forms on the housing parts 12 with projection 6k, can carry out the location of circumferencial direction.As shown in the figure, the boundary line of above-mentioned each horizontal plane is to be benchmark with the location with the bisecting line P of projection 6k, and each 30 spends scales.

Get back to Fig. 8, this pedestal 6 is assembled into do not have illustrated notch and the location that form on the housing parts 12 is coincide with jut 6k position, as shown in the figure, bonding and the sealing of adhesive A (for example, ultraviolet hardening bonding agent) is passed through with the face that connects in jut 6k and the housing parts 12 in 6j of eaves portion and location as adhesive portion.And, with periphery and the printed base plate 11 bonding and sealings of adhesive A, then, be adhesively fixed earlier with bonding agent B (for example, rubber-like bonding agent) with housing parts 12.At this moment, bonding agent B also can omit as strengthening intensity.

That is, with the periphery of pedestal 6 and housing parts 12, the isolated space of photoelectric conversion surface side space sealing one-tenth with imaging apparatus 8 can prevent that external dust from entering this space.

Figure 10 is that bumping of forming on the image pickup optical system 50 connects with projection 3a and location and concern the summary floor map with the position of projection 3k.With figure is the image pickup optical system of having seen from the object side 50, bumps to connect with projection 3a to dot.

Constitute to have formed with pedestal 6 on the shooting face side of the 3rd lens of image pickup optical system 50 and bump the projection 3a that connects, any one of the horizontal plane by this projection 3a and pedestal bumped and connect.In addition, as shown in the figure, this projection 3a is to be benchmark to depart from the location with the positions of 15 degree of the bisecting line P of projection 3k, is formed on 3 places with 120 intervals of spending.

To the pedestal shown in Figure 96 that will so constitute and the image pickup optical system shown in Figure 10 50 housing parts 12 of packing into, with among above-mentioned 4 different level K, L, M, the N any one, electing property is bumped the method that connects and is described.

Figure 11 (a), Figure 11 (b), Figure 11 (c) and Figure 11 (d) are that the location of housing parts 12 and pedestal 6 uses the position of projection 3k to concern generalized schematic with the location of projection 6k and the 3rd lens.

Shown in figure, on the housing parts 12, formed pedestal 6 location with 90 intervals of spending and located the 4 recess W of place, X, Y, the Z that engages with projection 3k with image pickup optical system with projection 6k.

Figure 11 (a) has shown that the location that makes pedestal 6 is sticked in the situation of recess W with projection 3k both sides with the location of projection 6k and image pickup optical system.At this moment, the 3rd lens bump the 3 projection 3a of place that connect usefulness, be positioned on the horizontal plane K that forms on the pedestal 6.

Figure 11 (b) has shown that the location that makes pedestal 6 is sticked in recess W with projection 6k, and the location of image pickup optical system is sticked in the situation of recess X with projection 3k.At this moment, the 3rd lens bump the 3 projection 3a of place that connect usefulness, be positioned on the horizontal plane N that forms on the pedestal 6.

Figure 11 (c) has shown that the location that makes pedestal 6 is sticked in recess W with projection 6k, and the location of image pickup optical system is sticked in the situation of recess Z with projection 3k.At this moment, the 3rd lens bump the 3 projection 3a of place that connect usefulness, be positioned on the horizontal plane L that forms on the pedestal 6.

Figure 11 (d) has shown that the location that makes pedestal 6 is sticked in recess W with projection 6k, and the location of image pickup optical system is sticked in the situation of recess Y with projection 3k.At this moment, the 3rd lens bump the 3 projection 3a of place that connect usefulness, be positioned on the horizontal plane M that forms on the pedestal 6.

Promptly, with respect to the position of the projection 6k of pedestal 6, select any one to assemble in the 4 place's recesses that form on the projection 3k by making the 3rd lens and the members of frame 12 outside, like this, imaging apparatus and the 3rd lens, promptly 4 kinds of selections can be done in the position on the optical axis of image pickup optical system.

Like this, assemble, can absorb the manufacturing deviation of the back focus of image pickup optical system, can access a kind of camera head that always maintenance is focused to decide object distance by any one of 4 place's recesses of selecting to form on the housing parts 12.And the selection of this recess can be that indivedual mensuration of image pickup optical system decided, and also can be to decide with every manufacturing batch unit.

And in above-mentioned the 1st～the 3rd execution mode, pedestal 6 is to use has not the material forming that sees through infrared function (infrared ray break-in facility).By this practice, thickness that can the attenuate camera head.In addition, also can see through the 6t of portion and implement infrared ray and block coating the shooting light beam of pedestal 6, infrared ray cut filter that also can the sealing label glass, or can certainly be on cover part 13 the infrared ray cut filter of sealing label glass.

In addition, be that the structure that employing has a pedestal of cam surface or highly different horizontal plane is illustrated here, do not exceed scope of the present invention even certainly the image pickup optical system of pedestal is bumped the structure that the face of connecing forms same height yet.

In addition, as loading component, the example that adopts the collapse coil spring being illustrated, still, can certainly be leaf spring, spongiform loading component etc.

(the 4th execution mode)

Below, the 4th execution mode of the present invention is described.Above-mentioned the 1st～the 3rd execution mode is that the structure that adopts pedestal is illustrated, and the 4th execution mode is that the photography light beam at pedestal is seen through in the portion, and the example that forms the part of the optics that constitutes image pickup optical system describes.

Having the outward appearance of the mobile phone T of the 4th execution mode camera head, is to omit deletion peristome 74, functional unit 15 from structure shown in Figure 1.Following camera head 300 is equivalent to the camera head S among Fig. 1.The camera head 300 of the 4th execution mode because with Fig. 7 be same shape, so omit explanation.

Figure 12 (a) dissects the camera head 300 in the 4th execution mode of the present invention and the sectional view that obtains with the line of G-G shown in Fig. 7.

In figure, the inside of housing parts 12 is made of image pickup optical system 50, real imaging apparatus 8 and the cover part 13 that is loaded on printed base plate 11.Shown in figure, formed the quadrangle or the circular box frame 6h of portion of 6d of foot and encirclement imaging apparatus 8 on the 3rd lens 3 of formation image pickup optical system 50.That is, the photography light beam at above-mentioned pedestal has formed the 3rd lens through portion.

Image pickup optical system 50 adopts the 3rd lens 3 that so form to assemble, as shown in the figure, bump the state that connects at 6d of foot and imaging apparatus 8, with the 6h of frame portion on the 6d of the foot diverse location as adhesive portion, by adhesive A (for example, ultraviolet hardening bonding agent) and printed base plate 11 adhering and sealings.That is, by the 3rd lens 3, the space of the photoelectric conversion surface side of imaging apparatus 8 is sealed to isolated space, can prevent that external dust from entering this space.

And similarly because the 6h of frame portion of 6d of foot and adhesive portion is different face, so, adhesive A can not enter the 6d of foot below, the optical axis direction of image pickup optical system can not depart from yet.

And housing parts 12 are to use its periphery, are adhesively fixed with printed base plate 11 by bonding agent B (for example, rubber-like bonding agent).

Figure 12 (b) bumps housing parts 12 and printed base plate 11 to connect, then the example that is adhesively fixed by bonding agent B.Compare with Figure 12 (a), housing parts 12 and printed base plate 11 are bumped to be connect, and the space is set by bumping the part that connects at pedestal 6 and housing parts 12, like this, can reduce the impact to the optical axis direction of pedestal 6, its result can reduce the influence that the outside is applied to the impact on the imaging apparatus 8 more.

As shown in the figure, image pickup optical system 50 is to connect by the 1st lens the 1, the 2nd lens the 2, the 3rd lens 3 are bumped mutually by the flange part beyond the optics significant surface, with bonding agent etc. mutually set by blocking, owing to not constituting between miscellaneous part, so, can assemble to such an extent that do not have the lens interval error each other.At this moment, also can take away collapse coil spring as loading component.

At this moment, it is by in constituting the optics significant surface of image pickup optical system 50 any one that infrared ray blocks, and implements infrared ray and blocks coating, implements to prevent ultrared seeing through.

By this way, can reduce components number, reduce cost.

(the 5th execution mode)

Below, the 5th execution mode is described.

Figure 13 is the stereogram of the camera head 400 among the present invention.This camera head 400 is loaded into the position of camera head S shown in Figure 1.

Shown in figure, the outer surface of camera head 400 is made of the rotatable parts 22 of real having adorned the printed base plate 11 of imaging apparatus, the connection substrate 24 that is used to connect other control basal plate of portable terminal device, base member 21, the cover part 13 with peristome 13k and decorative panel 14, having formed the operating portion 22s that is used to rotate purpose.Operating portion 22s mechanically is being connected with manual operational unit 15 shown in Figure 1 inner, with manual operational unit 15 interlocks, the structure that rotatable parts 22 can rotate.In addition, the real electric component that does not have illustrated various resistance, capacitor etc. of having adorned on the printed base plate 11.

When this camera head 400 was loaded into portable terminal device, cover part 13 or decorative panel 14 were between the O of rubber type ring etc., give as security to be attached on the cover glass and pack into.Therefore, be loaded into portable terminal device after, do not have dust from this peristome 13k and enter.In addition, be loaded into portable terminal device before, use encapsulant etc. to cover peristome 13k, prevent that dust from entering.

Figure 14 (a) and Figure 14 (b) are the sectional views of the internal structure generalized schematic of camera head 400 of the present invention.With figure is to dissect with F-F line shown in Figure 13, represents its cross section, is the boundary line with the optical axis O of image pickup optical system, and the right side represents that the focus of image pickup optical system is to the state in the overfocus distance; Left side expression makes the focus of image pickup optical system move as ormal weight to subject, to the state when the close-up photography closely.Among the following figure,, the parts of said function are put on same symbol describe for fear of the repetition of explanation.And, below adopt Figure 14 (a) to describe.

Shown in figure (a), the internal configurations of camera head 400: the image pickup optical system 50 that is made of the aperture of adorning on the 1st lens the 1, the 2nd lens the 2, the 3rd lens 3 and each lens; Bumping on the position that connects, formed the cam part 7 of cam part 7c with optics significant surface 3 places' jut 3d (bumping the portion of connecing) in addition of the 3rd lens as integrally formed on the side; Be loaded on the imaging apparatus 8 of printed base plate 11 in fact.

As shown in the figure, the 1st lens the 1, the 2nd lens the 2, the 3rd lens 3 are to bump mutually by the flange part beyond the optics significant surface to connect, and, are constituted with miscellaneous part owing to not being situated between by blocking with mutual sets such as bonding agents, so, can assemble to such an extent that lens do not have interval error each other.

Cam part 7 is to use translucent material, transmittance section 7a with subject light beam of the photoelectric conversion surface side ground formation that covers imaging apparatus, among face 7b1, the 7b2 of this transmittance section 7a, the face 7b1 of subject light incident side is formed on from the outstanding position of cam surface, simultaneously, implement infrared ray and blocked coating.In addition, on the cam part 7 many places integrally formed the 7d of foot, bump with the zone beyond the photoelectric conversion surface of the photoelectric conversion surface side of imaging apparatus 8 and to connect.

, 7d of foot and imaging apparatus 8 connect the position with respect to imaging apparatus 8 of the cam surface of the optical axis direction position of making decision image pickup optical system 50 that can be correct by being bumped.

Be that flange part by the 3rd lens 3 is loaded to imaging apparatus 8 directions by the collapse coil spring 9 as loading component by the image pickup optical system 50 of blocking integratedly.Like this, image pickup optical system 50 is between cam part 7, determined with the interval on optical axis direction of imaging apparatus 8.

Cam part 7 is embedded in the inboard of base member 21, the bonding and maintenance by bonding agent.And base member 21 is adhesively fixed by bonding agent and printed base plate 11.In order to relax impulsive force to imaging apparatus 8, select to be used for the hardness after the curing of bonding cam part 7 and the bonding agent of base member, be lower than the hardness (softness) after the curing of the bonding agent that is used for fixing base member and printed base plate.In addition, the housing parts 23 that surround image pickup optical system 50 are housed on the base member 21.Lateral surface at these housing parts 23 assembles rotatable parts 22 rotationally.And these rotatable parts 22 are assembled into the inboard integrally formed holding section 22t of going up are engaged with the holding section 3t of the 3rd lens 3.Pack into after the collapse coil spring 9, again cover part 13 is assembled to housing parts 23.

In addition, members of frame 23 forms peristome outside, and it becomes the zone of the holding section 22t rotation that forms on the rotatable parts 22.As shown in the figure, this peristome covers (with reference to the right side of the optical axis O of Figure 14 (a)) by rotatable parts 22.

That is, by rotating the operating portion 22s of the rotatable parts 22 that supported by the outside of housing parts 23, the holding section 22t that forms on the rotatable parts 22 rotates.Be sticked in the 3rd lens 3 of holding section 22t, be that image pickup optical system 50 also rotates thereupon, jut 3d by the 3rd lens moves along the cam surface on the cam part 7c of cam part 7, the loading force of opposing collapse coil spring 9, be moved in optical axis O direction, become closely the close-up photography state (with reference to the left side of the optical axis O of Figure 14 (a)) of focusing.As shown in the figure, at this moment, image pickup optical system 50 is inboards that the flange part periphery of the 3rd lens 3 is embedded in housing parts 23, inlays portion by this, can be directed to optical axis O direction.

And each parts stereogram of employing Figure 15～Figure 20 is described in more detail camera head of the present invention.

Figure 15 is the stereogram of base member 21.Shown that with figure base member 21 is assemblied in the state on the printed base plate 11 of having adorned imaging apparatus 8 in fact.

With the TV camera that has on the anchor clamps, confirm the real position that is loaded on the imaging apparatus 8 on the printed base plate 11, on the assigned position corresponding with imaging apparatus 8, mounting base member 21, full periphery portion uses for example bonding agent of UV cured type, is adhesively fixed in printed base plate 11.

As shown in the figure, 2 recess 21h of place and the bonding agent accommodation section 12s of 4 place have been formed on the base member 21.Having formed the 2 recess h of place on symmetric position, is because when assembling base member 21, even the Rotate 180 degree also can assemble, like this, the degree of freedom when having increased assembling.

Figure 16 is the stereogram of cam part 7.With figure is the figure that sees cam part 7 in the past from subject skew back top.This cam part 7 has been formed the transmittance section 7a that covers above the imaging apparatus 8 by translucent material.

Shown in figure, formed protuberance 7h on the periphery of cam part 7, this protuberance 7h is embedded in a recess 21h of base member 21 shown in Figure 15, the position of having fixed circumferencial direction.In addition, with protuberance 7h depart from 180 the degree positions on formed the 7q of door portion, it forms all littler than protuberance 7h width and overhang, is accommodated in another recess of base member 21.The side surface part 21f that the side 7f of periphery was assembled into interior week of base member shown in Figure 15 21 inlays.

The periphery of cam part 7 nearby on, with the gap periods of about 120 degree disposed cam part 7c.And this cam part 7c is formed by optical axis direction position different horizontal plane 7m and 7n, the inclined plane 7j that connects this horizontal plane 7m and 7n respectively.

In addition, between this cam part and the cam part, formed the layer difference 7g of portion that is lower than cam surface horizontal plane 7m and 7n, connects the inclined plane 7j of this horizontal plane 7m and 7n.Also formed this layer difference 7g of portion between the side of cam part 7c and the facial 7f of outer circumferential side, except protuberance 7h and the 7q of door portion, that spreads all over cam part 7 has formed this layer difference 7g of portion on every side.

By this cam part 7 is fallen on the base member shown in Figure 15 21, integrally formed 7d of foot and imaging apparatus shown in Figure 15 8 bump and connect on this cam part 7.Under this bumps the state of connecing,, cam part 7 is adhesively fixed in base member shown in Figure 15 21 by on the layer difference 7g of portion, coating for example UV cured type bonding agent.

By this way, can prevent that bonding agent is spilled over to cam surface horizontal plane 7m and the 7n of cam part 7c, connects on the inclined plane 7j of this horizontal plane 7m and 7n, can prevent adhering to of bonding agent and foreign matter, simultaneously, because capillarity, bonding agent enter the gap of interior all side surface part 21f of facial 7f of outer circumferential side and base member 21, like this, can seal the space of imaging apparatus 8, prevent that outside moisture from entering the space of imaging apparatus 8.

And, in the face 7b1, the 7b2 that form the transmittance section 7a that can cover above the imaging apparatus 8, will be formed on as the face 7b1 of subject light incident side and be higher than cam part 7c, promptly also will lean on the position on object side of optical axis direction than a high side's horizontal plane 7m.On the face 7b1 of this subject light incident side, implemented in order not make infrared ray arrive imaging apparatus 8, for example the infrared ray of electrolytic multi-layer film blocks coating.

Like this, its all face is to go up the face 7b1 that forms than cam part 7c by the position (outstanding position) on optical axis direction object side by inciting somebody to action at least, block the face of coating as implementing infrared ray, in plater, coated 7b1 exposes from the anchor clamps that keep cam part easily, can form uniform film on face 7b1.Add and to avoid being coated on the cam part 7c, can prevent to wait the dust that causes generation because of wearing and tearing.And, by implementing the face of coating, be configured in the space of image planes side at the rear of image pickup optical system 50, can suppress the thickness of camera head 400 like this, can realize slimming.

In addition, as shown in the figure, around coated the 7b1 on, preferably form the frame portion 7p higher a little than this face 7b1.This is for when because some reason, and coated 7b1 is placed in when following, do not contact coated 7b1.In this example, shown to form the situation that spreads all over circumference, but also can be a plurality of projections etc.

In addition, shown in Figure 14 (b), see over, also can make coated 7b1 become concave surface from the subject light incident side.In general, in optical system of the present invention, distance to emergent pupil shortens, it is big that the angle of emergence of periphery becomes, still, and by this way, the inclination that the quilt that penetrates for the final face from image pickup optical system 50 is penetrated the light beam of object beam periphery, the variation of the incidence angle of directive electrolytic multi-layer film can reduce the incidence angle of coated 7b1 of directive, owing to can suppress the variation of spectrophotometric transmittance.In addition, also can adopt the ultrared forming materials cam part 7 of absorption to replace infrared ray and block coating.

Figure 17 is the stereogram of housing parts 23.These housing parts 23 are assemblied on the base member shown in Figure 15 21, at the state that teat 23a inlays, are adhesively fixed in bonding agent accommodation section 21s.

Shown in figure, housing parts 23 form by forming the peristome 23k and the circle rib 23b that open on cylindrical portion 23e cylindraceous, this cylindrical portion 23e.The internal diameter of the cylindrical portion of these housing parts 23 is formed in the imaging apparatus side little, become big (with reference to the left side of the optical axis O of Figure 14 (a)) on the object side.This is because considered to pack into from the object side image pickup optical system 50.

Figure 18 (a) and Figure 18 (b) are by the stereogram of the image pickup optical system 50 of blocking integratedly.Figure 18 (a) is the figure that sees image pickup optical system 50 in the past from subject skew back top, and Figure 18 (b) is the figure that sees image pickup optical system 50 in the past from imaging apparatus skew back below.

Shown in Figure 18 (a), the shooting Optical devices 50 by the aperture that is installed with on the 1st lens the 1, the 2nd lens the 2, the 3rd lens 3 and each lens constitutes wherein, on the flange part of the 3rd lens 3, have formed holding section 3t with about 120 intervals of spending at 3 places.Make 1 of this holding section 3t to engage, can rotate with the holding section 22t that forms on the rotatable parts 22 shown in Figure 14 (a) and Figure 14 (b).

In addition, on the planar portions 3b of the flange part of the 3rd lens 3, pressing the collapse coil spring 9 shown in Figure 14 (a) and Figure 14 (b) as loading component.Collapse coil spring 9 prevents that by the holding section 3t of 3 place spring from coming off.In addition, inlaying in interior week of the peripheral part 3f of the flange part of the 3rd lens 3 and Figure 14 (a), Figure 14 (b) and housing parts 23 shown in Figure 17 becomes the guide portion that moves of the optical axis direction of image pickup optical system 50.And even image pickup optical system 50 moves at optical axis direction, the degree of depth of the optical axis direction of this holding section 3t has also fully been guaranteed the amount of engaging.And, have the holding section 3t of 1 place at least and get final product.

Shown in figure (b), on the 3rd lens 3 of image pickup optical system 50, the zone beyond the optics significant surface of the face of imaging apparatus side on the position corresponding with the cam part 7c of cam part 7 shown in Figure 16, has formed the 3 jut 3d of place.The 3 cam part 7c of place of the jut 3d at this 3 place and cam part shown in Figure 16 bump and connect, by from horizontal plane 7n through inclined plane 7j to the moving of horizontal plane 7m, be to the close-up photography position from the overfocus position; By from horizontal plane 7m through inclined plane 7j to the moving of horizontal plane 7n, be to get back to the overfocus position from the close-up photography position.

Preferably with this jut 3d as a part with the such cylinder of figure, by this way, can keep the full intensity that tackles impact etc.And this jut 3d also can be the consult shape of a trequetrous part of having justified or part of sphere etc. of tip.

Figure 19 is the stereogram of rotatable parts 22.

These rotatable parts 22 are assemblied in the outer peripheral face of the cylindrical portion 23e of housing parts 23 shown in Figure 17, and circle rib 23b is a support.In addition, holding section 22t is positioned at the zone of the peristome 23k of housing parts 23 shown in Figure 17, and 1 that is assembled into the holding section 3t of image pickup optical system 50 shown in Figure 18 (a) and Figure 18 (b) engages.

The length of the cylindrical portion of these rotatable parts 22 (representing with H among Figure 19) forms almost the length identical (representing with H among Figure 17) toward top with the circle rib 23b of housing parts 23 shown in Figure 17.Thus, can cover the peristome 23k of housing parts 23 by the rotatable parts 22 that are configured in housing parts 23 sides.

The position of the position of operating portion 22s and holding section 22t is in different positions in a circumferential direction.By such configuration, in the time of in being loaded into the portable terminal device of various different layouts,, can obtain corresponding camera head 400 as long as the position of the 22s of beamhouse operation portion is lucky rotatable parts 22.

And, even yes is set at image pickup optical system shown in Figure 18 (a) and Figure 18 (b) 50 and moves at optical axis direction for the holding section 22t that forms on the rotatable parts 22, also be not interfere to optical axis direction.

Figure 20 is across housing parts 23, the snap-fit relationship schematic cross-section of the 3rd lens 3 of rotatable parts 22 and image pickup optical system 50.

Shown in figure, across the cylindrical portion 23e of housing parts, internal configurations the 3rd lens 3, periphery has disposed rotatable parts 22, the holding section 22t of rotatable parts 22 protrudes in the peristome 23k of housing parts, engages with the holding section 3t of the 3rd lens 3.Thus, rotatable parts 22 and the 3rd lens 3 can rotate in the scope of peristome 23k integratedly across cylindrical portion 23e.That is, image pickup optical system 50 is that rotatable parts 22 are to be supported by the outside of housing parts cylindrical portion 23e by the inboard guiding of the cylindrical portion 23e of the flange part periphery 3f of the 3rd lens 3 and housing parts.

And preferably holding section 3t is formed on than flange part periphery 3f and goes up more in the inner part.By this way,, also can reduce the advantage in peristome 23k zone even have same rotational angle.

As described above,, covered the peristome 23k of housing parts 23, in addition, shown in Figure 14 (a) and Figure 14 (b), assembled cover part 13 in the above by being configured in the rotatable parts 22 of housing parts 23 sides.As illustrating among Figure 13, because when packing this camera head 400 into portable terminal device, be on cover part 13, to be attached to be assembled on the cover glass between signatures such as the O of rubber circles, so, after being loaded into portable terminal device, can prevent that outside dust from entering camera head 400, having realized obtaining a kind of make image pickup optical system that close-up photography need have mobile becomes possiblely, has stopped that again dust enters the camera head of camera head inside simultaneously.

In addition, housing parts 23 and base member 21 also can form as one, and still, use separate type as described above, and the pin end that can make adhesive-applying can more positively carry out adhering and sealing easily near assigned position.

(the 6th execution mode)

Below, the 6th execution mode is explained.Relevant the 6th execution mode to being same as the parts of the 5th execution mode function, is put on same symbol, omits explanation, only different piece is described.

Figure 21 is the stereogram of the camera head 500 among the present invention.This camera head 500 is stated from the camera head of camera head S shown in Figure 1 position in being.

Shown in figure, the outer surface of camera head 500 is compared with camera head 400 shown in Figure 13, is that rotatable parts 22 are different with the contact position of lid 13, and near the position of substrate, other are identical with camera head 400 for more.

Figure 22 is the sectional view of the internal structure generalized schematic of camera head 500 of the present invention.With figure is to dissect the schematic cross-section that obtains with the line of G-G shown in Figure 21, optical axis O with image pickup optical system is the boundary line, the focus that image pickup optical system is represented on the right side is in the overfocus distance state, left side expression makes the focus of image pickup optical system move as ormal weight to subject, to the state when the close-up photography closely.

With camera head shown in the figure 500 be, the shooting Optical devices 50 that constitute by the aperture of adorning on the 1st lens the 1, the 2nd lens the 2, the 3rd lens 3 and each lens, cam part 7, be loaded on the imaging apparatus 8 of printed base plate 11 in fact, as the collapse coil spring 9 of loading component, base member 21, decorative panel 14, housing parts 23, its shape, action etc., identical with the 1st embodiment that had illustrated.

As camera head shown in the figure 500 is that length K with the cylindrical portion of rotatable parts 22 forms the circle rib 23b that the is shorter than housing parts 23 length H toward top.On the other hand, on the cylindrical direction of cover part 13, form the outstanding suspended wall that the length that covers housing parts 23 is L, covered the peristome 23k (with reference to Figure 17) of housing parts 23 by rotatable parts 22 and cover part 13.

And, formed the tongue 13j of the cylindrical portion inboard that projects to rotatable parts 22 on the cover part.

By such way, the peristome 23k of housing parts 23 is heavily covered in the cylindrical portion formation 2 of the tongue 13j of the enough cover parts 13 of energy and rotatable parts 22, can prevent more completely that outside dust from entering.

As described above, cover the peristome 23k of housing parts 23 by rotatable parts 22 that dispose with housing parts 23 sides and the cover part 13 that disposes above, as illustrating among Figure 13, because when packing this camera head 400 into portable terminal device, be on cover part 13, to be attached to be assembled on the cover glass between signatures such as the O of rubber circles, so, after being loaded into portable terminal device, can prevent that outside dust from entering camera head 400, having realized obtaining a kind of make image pickup optical system that close-up photography need have mobile becomes possiblely, has stopped that again dust enters the camera head of camera head inside simultaneously.

And the tongue that forms on the cover part that illustrates in the 6th execution mode can certainly be applicable to aforementioned the 5th execution mode.

(the 7th execution mode)

Subsequent, the assembling of the camera head among the present invention is described.

Figure 23 is the assembly direction and the sequential schematic of the camera head among the present invention.Because the assembly direction of the camera head 500 of the camera head 400 of aforementioned the 5th execution mode and the 6th execution mode is identical with order, so, below with reference to same figure, each parts that adopts camera head 400 are described.

(1) on the printed base plate 11 that is becoming the assembling stylobate, real load fishplate bar 17 and do not have illustrated electrical equipment portion product after, as real dress parts, load onto imaging apparatus 8 at last in fact.This is in order to make the heat load that applies on the imaging apparatus 8 that has formed micro lens arrangement etc. to minimum.

(2) with the TV camera that has on the anchor clamps, confirm the real position that is loaded on the imaging apparatus 8 on the printed base plate 11, on the assigned position corresponding with imaging apparatus 8, mounting base member 21, full periphery portion uses for example bonding agent of UV cured type, is adhesively fixed in printed base plate 11.

(3) make on one side cam part 7 be embedded in interior week of base member 21, on one side protuberance 7h is inlayed the recess of mounting in base member.Thus, integrally formed 7d of foot and imaging apparatus 8 bump and connect on the cam part 7.Under this state, on the layer difference 7g of portion, coat for example bonding agent of ultraviolet hardening, cam part 7 is adhesively fixed in base member 21, simultaneously, the space of sealing imaging apparatus 8.(with reference to Figure 16)

(4) with housing parts 23 mountings on base member 21, be adhesively fixed.

(5), make the holding section 3t at 3 places can be positioned at assigned position with the interior week of image pickup optical system 50 mountings in the cylindrical portion of housing parts 23.Thus, the assigned position on the cam part 7c of jut 3d and cam part 7 bumps and connects.

(6) rotatable parts 22 are fallen into the outer peripheral face of mounting in the cylindrical portion of housing parts 23,23b bears support by the circle rib.In addition, holding section 22t is positioned at the zone of the peristome 23k of housing parts 23, fitted to be to engage with 1 of the holding section 3t of image pickup optical system 50.

(7) with the face 3b of loading component 9 mountings in image pickup optical system 50.

(8) with cover part 13 mountings in housing parts 23, be adhesively fixed.Carry out at the hole 13s of 3 place that this is bonding.

(9) decorative panel 14 mountings are fixed in cover part 13.Should fixingly adopt bonding agent or double faced adhesive band.

As described above, if on printed base plate from same direction mounting base member, cam part, housing parts, image pickup optical system, rotatable parts, just can carry out the manufacturing of camera head, can realize the automation of assembling.Can access the camera head of the flexible corresponding requirement increase and decrease of low cost and energy thus.

Figure 24 is the assembly direction of the camera head among the present invention and other example schematic diagram of order.With figure be adopt base member 21 shown in Figure 23 and housing parts 23 integrated the situation of main casing 18.Below, describe with reference to FIG..

(1) identical with Figure 23, on the printed base plate 11 that is becoming the assembling stylobate, after in fact loading onto connecting plate 17 and do not have illustrated electric component, as real dress portion product, last reality is loaded onto imaging apparatus 8.

(2) with the TV camera that has on the anchor clamps, confirm the real position that is loaded on the imaging apparatus 8 on the printed base plate 11, on the assigned position corresponding with imaging apparatus 8, mounting main casing 18, full periphery portion uses for example bonding agent of UV cured type, is adhesively fixed in printed base plate 11.

(3) cam part 7 is inlayed the inside of mounting in main casing.Thus, integrally formed 7d of foot and imaging apparatus 8 bump and connect on the cam part 7.Under this state, on the layer difference 7g of portion, coat for example bonding agent of ultraviolet hardening, cam part 7 is adhesively fixed in base member 21, simultaneously, the space of sealing imaging apparatus 8.(with reference to Figure 16)

(4), make the holding section 3t at 3 places be positioned at assigned position with the interior week of image pickup optical system 50 mountings in the cylinder of main casing 18.Thus, the assigned position on the cam part 7c of jut 3d and cam part 7 bumps and connects.

(5) rotatable parts 22 are fallen into and mounting in the outer peripheral face of the cylindrical portion of main casing 18, rib 18b bears support by circle.In addition, holding section 22t is positioned at the zone of the peristome 18k of main casing, fitted to be to engage with 1 of the holding section 3t of image pickup optical system 50.

(6) with the face 3b of loading component 9 mountings in image pickup optical system 50.

(7) with cover part 13 mountings in main casing 18, be adhesively fixed.Carry out at the hole 13s of 3 place that this is bonding.

(8) decorative panel 14 mountings are fixed in cover part 13.Should fixingly adopt bonding agent or double faced adhesive band.

Like this, the main casing that employing base member 21 illustrated in fig. 23 and housing parts 23 are integrated, also need only on printed base plate from same direction mounting main casing, cam part, housing parts, image pickup optical system, rotatable parts, just the manufacturing of camera head can be carried out, the automation of assembling can be realized.Can access the camera head of the flexible corresponding requirement increase and decrease of low cost and energy thus equally.

The possibility of utilizing on the industry

As described above, can access a kind of dust that does not enter from the outside or because of in Section's work causes that the dust of generation is attached to imaging apparatus brings obstacle to view data shooting dress Put and have the portable terminal device of this camera head.

A kind of camera head comprises: imaging apparatus, image pickup optical system has and this shooting The protruding of the cam surface that connects bumped by the section of connecing of bumping that forms on the position beyond the optics significant surface of optical system Wheel component, the base member of maintenance cam part; Wherein, cam part has the cam surface of being lower than Layer difference section, bonding by the bonding agent and the base member that are coated in this layer difference section. By this Way can prevent that bonding agent is spilled on the cam surface that forms on the cam part, can prevent Adhering to of bonding agent and foreign matter, can access a kind of running to image pickup optical system and not hinder The camera head that hinders.

In addition, inlay by circumferential lateral surface and base member with cam part, because capillary Phenomenon, bonding agent enter the side surface part in the interior week of outer circumferential side face and base member, like this, and energy Enough seal the space of imaging apparatus, can access a kind of outside moisture that prevented and enter this shooting unit The camera head in part space.

In addition, by forming a plurality of cam surfaces, the again district between cam surface at cam part The territory forms layer difference section, like this, can guarantee that the bonding agent injection phase is wider area, can Make bonding process become easy.

In addition, cam part has with imaging apparatus and bumps the foot that connects, at foot and imaging apparatus Bump the state that connects and be adhered to base member, image pickup optical system is by loading component, by to taking the photograph Pixel spare direction loads, and connects by the cam surface that bumps the section of connecing and cam part is bumped, and can make ginseng With the intervention part of the determining positions of image pickup optical system optical axis direction be minimum, realize low-cost Change, and can improve precise localization of focal spot after the assembling.

And, by this portable terminal device that has above-mentioned camera head, can make camera optical System runs well and prevents that moisture from entering the imaging apparatus of camera head internal configurations, can get To the portable terminal device that can carry out close-up photography.

The present invention obtain a kind of slimming camera head, this camera head comprises: shooting unit Part, image pickup optical system has the optics significant surface position in addition with this image pickup optical system Upper formation bump the cam part that the cam surface that connects bumps in the section of connecing; Wherein, cam part has by thoroughly The transmittance section that the photosensitiveness material forms, with in the transmittance section with the face shape that has formed cam surface side homonymy Its peripheral surface section at least of becoming is positioned at the position more outstanding than cam surface, blocks by implementing infrared ray Coating can make the cam part one at image pickup optical system rear and have infrared ray and block merit Can; Simultaneously, form by the face with the subject light incident of transmittance section and to be higher than cam surface, In plater, expose coated from the anchor clamps that keep cam part easily, can be even The formation film. Add and to avoid being coated on the cam part, the ash that also can wear prevention etc. causes The generation of dirt.

In addition, the transmittance section be can cover imaging apparatus the light-to-current inversion side be formed on cam part On the part, simultaneously, cam part has with imaging apparatus and bumps the foot that connects, in foot and shooting unit Part bumps the state that connects and is fixed, image pickup optical system by loading component by to the imaging apparatus direction Load, connect by the cam surface that bumps the section of connecing and cam part is bumped, can make the participation camera optical The intervention part of the determining positions of systematic optical axis direction is minimum, realizes cost degradation, and energy Enough precise localization of focal spot that improves after assembling.

In addition, implementing the face that infrared ray blocks coating is the subject light incident side of transmittance section Face is by making concave surface with this face, the object that the final face of relative image pickup optical system penetrates The inclination of the light beam of the periphery of body light beam can reduce to coated incidence angle, Variation by to the incidence angle of electrolytic multi-layer film can suppress the variation of spectrophotometric transmittance.

And, by this portable terminal device that has above-mentioned camera head, can access a kind of thin Type, can carry out the portable terminal device of close-up photography.

Camera head of the present invention, be in actual load on the printed base plate of imaging apparatus, from same The assembling of direction mounting: image pickup optical system has the optics significant surface with this image pickup optical system What form on the position in addition bumps the cam part that the cam surface that connects bumps in the section of connecing, supporting cam wheel parts Base member, surround at least the housing parts of image pickup optical system, outside being configured in rotationally In the time of the lateral surface of members of frame, form the holding section that engages with image pickup optical system Rotatable parts consist of. By such way, make the automation of assembling become possibility, by This can access a kind of low cost, can be flexible corresponding requirement increase and decrease, can carry out close-up photography Camera head.

A kind of manufacture method of camera head, camera head comprises: actual load the seal of imaging apparatus The brush substrate; Image pickup optical system; Have beyond the optics significant surface with this image pickup optical system What form on the position bumps the section of connecing when bumping the cam surface that connects, and has with imaging apparatus and bumps the pin that connects The cam part of section; The base member that keeps cam part; At least surround image pickup optical system The housing parts; When being configured in rotationally the lateral surface of housing parts, integrally formed with The rotatable parts of the holding section of image pickup optical system engaging, the manufacture method of this camera head comprises: The operation of mounting and firm banking parts falls cam part on the assigned position of printed base plate Enter base member, bump the operation that the state that connects is fixed in base member in foot and imaging apparatus; The housing parts are fixed in the operation of base member; The inboard of the members of frame camera optical of packing into outside The operation of system; With pack into the lateral surface of housing parts of rotatable parts, make holding section and shooting light The operation of system engaging by this way, can be assembled each parts, energy from same direction Enough automations that realizes assembling, thus, can the possible shooting of enough low cost fabrication close-up photographies Device.

Or a kind of camera head, be in actual load on the printed base plate of imaging apparatus, from same side Assemble to mounting: image pickup optical system; Have with the optics significant surface of this image pickup optical system with What form on the outer position bumps the cam part that the cam surface that connects bumps in the section of connecing; At least surround cam part The main casing of part and image pickup optical system; When being configured in rotationally the lateral surface of main casing, The rotatable parts of the integrally formed holding section that engages with image pickup optical system consist of; By Such way makes the automation of assembling become possibility, can access a kind of low cost thus, Can be flexible corresponding requirement increase and decrease, can carry out the camera head of close-up photography.

In addition, a kind of manufacture method of camera head, camera head comprises: actual load shooting unit The printed base plate of part; Image pickup optical system; Has the optics significant surface with this image pickup optical system What form on the position in addition bumps the section of connecing when bumping the cam surface that connects, and has with imaging apparatus and bumps The cam part of the foot that connects; At least surround the main casing of cam part and image pickup optical system; When being configured in rotationally the lateral surface of main casing, integrally formed and image pickup optical system The rotatable parts of the holding section of engaging; The manufacture method of this camera head comprises: at printed base plate Assigned position on the operation of mounting and fixing aforementioned main casing; Cam part is fallen into main casing, Bump the operation that the state that connects is fixed in main casing in foot and aforementioned imaging apparatus; At main casing Pack into the operation of image pickup optical system of inboard; With pack into the lateral surface of main casing of rotatable parts, make The operation that the holding section engages with image pickup optical system. By this way, can be from same direction Assemble each parts, can realize the automation of assembling, thus, can advance by enough low cost fabrications The camera head of row close-up photography.

Claims (6)

1. camera head, it is characterized in that, comprise: the imaging apparatus of light-to-current inversion subject light, with the image pickup optical system of subject photoconduction to the light-to-current inversion zone of this imaging apparatus, have the cam part that the cam surface that connects bumps in the portion of connecing that bumps that forms on the position beyond the optics significant surface with this image pickup optical system, keep the base member of described cam part;

Described cam part has the layer difference portion that is lower than described cam surface, and is by being coated in the bonding agent in this layer difference portion, bonding with described base member.

2. as the camera head of record in the claim 1, it is characterized in that described cam part is chimeric by the circumferential lateral surface and the described base member of described cam part, seal the space of described imaging apparatus side by described bonding agent.

3. as the camera head of record in the claim 2, it is characterized in that, on described cam part, form a plurality of described cam surfaces, on the zone between a plurality of cam surfaces, also form described layer of difference portion.

4. as the camera head of record in the claim 1, it is characterized in that described image pickup optical system is made of a plurality of opticses, this optics bumps mutually and connects.

5. as the camera head of record in the claim 3, it is characterized in that described image pickup optical system is made of a plurality of opticses, this optics bumps mutually and connects.

6. a portable terminal device is characterized in that, has the camera head of putting down in writing in any one of claim 1～5.

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