CN104735325A - Mobile terminal imaging device and mobile terminal - Google Patents
Mobile terminal imaging device and mobile terminal Download PDFInfo
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- CN104735325A CN104735325A CN201510161922.5A CN201510161922A CN104735325A CN 104735325 A CN104735325 A CN 104735325A CN 201510161922 A CN201510161922 A CN 201510161922A CN 104735325 A CN104735325 A CN 104735325A
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Abstract
The invention discloses a mobile terminal imaging device. The mobile terminal imaging device comprises an optical lens component and a light filter component. The light filter component comprises a first light filter preventing invisible light from passing, a sliding rail bearing the first light filter, and a light filter drive mechanism connected with the first light filter. The drive mechanism is suitable for enabling the first light filter to move between the first position and the second position of the sliding rail. The part, at the first position, of the first light filter is located in a light path of the optical lens component, and the part, at the second position, of the first light filter is located outside the light path of the lens component. The imaging device further comprises a transmission mechanism connected with the optical lens component and the light filter drive mechanism. The optical lens component comprises an optical lens and a supporting mechanism suitable for rotationally fixing the lens. The invention further provides a mobile terminal.
Description
Technical field
The present invention relates to imaging device fields, particularly relate to iris imaging field.
Background technology
The camera of current mobile terminal is tight shot mostly, namely can not change focal length.Generally, the focal length of front-facing camera is set to be included in view-finder by face when stretching out in arm (distance face about 50cm) scope, autodynes conveniently to facilitate.In other words, the focal length of front-facing camera is shorter, thus has larger viewfinder range.But, when using front-facing camera to gather iris image, not needing so large viewfinder range, on the contrary, iting is desirable to people's eye portion to be full of viewfinder range as far as possible, to carry out iris recognition.In addition, the front-facing camera of mobile terminal has filter, filtering visible ray with the light of external spectrum (as infrared), to improve image quality.But for iris imaging, filtering infrared light seriously can reduce imaging effect.Therefore, the front-facing camera of current mobile terminal is difficult to the direct multiplexing camera as gathering iris imaging.
Therefore, need a kind of technical scheme can tackling this situation, the program can by the preposition picture pick-up device of mobile terminal, and that carries out autodyning with iris image acquiring is multiplexing.
Summary of the invention
For this reason, the invention provides a kind of new scheme to try hard to solve or at least alleviate Problems existing above.
According to an aspect of the present invention, provide a kind of imaging device of mobile terminal, comprise optical lens parts, filter member, filter driving mechanism and transmission mechanism.Optical lens parts, are suitable for obtaining image.Filter member comprises, be suitable for the first filter hindering non-visible light to pass through, carry the slide rail of this first filter, and the filter driving mechanism to be connected with filter, this the first filter is suitable for move between the primary importance and the second place of slide rail, wherein be in the light path of optical lens parts at first position first filter, be in outside the light path of lens assembly at second position first filter.Transmission mechanism is connected with filter driving mechanism with optical lens parts.Wherein optical lens parts comprise optical mirror slip and are suitable for eyeglass to rotate fixing supporting mechanism, transmission mechanism is suitable for when the first filter is moved to primary importance by filter driving mechanism, optical mirror slip is driven to rotate to the 3rd position near supporting mechanism, and when the first filter is moved to the second place by filter driving mechanism, drive optical mirror slip to rotate to the 4th position away from supporting mechanism.
Alternatively, in imaging device according to the present invention, filter driving mechanism comprises and is suitable for manually operated plucking piece.
Alternatively, in imaging device according to the present invention, the range difference of optical mirror slip between described 3rd position and the 4th position is 0.001-5mm.
Alternatively, in imaging device according to the present invention, supporting mechanism comprises threaded fastening mechanisms.
Alternatively, in imaging device according to the present invention, transmission mechanism is suitable for when the first filter is moved to primary importance by filter driving mechanism, optical mirror slip dextrorotation is driven to go to the 3rd position, and when the first filter is moved to the second place by filter driving mechanism, drive optical mirror slip to be rotated counterclockwise to the 4th position.
Alternatively, in imaging device according to the present invention, filter member also comprises the second filter being suitable for hindering visible ray to pass through, filter driving mechanism is suitable for driving the second filter to move to primary importance when the first filter is moved to the second place, and drives the second filter to move to the second place when the first filter is moved to primary importance.
Alternatively, imaging device according to the present invention also comprises imageing sensor, is suitable for optical imagery to be converted to electronic image.
Alternatively, in imaging device according to the present invention, filter driving mechanism comprises electrical micro-machine and electrical micro-machine controller, and this electrical micro-machine controller is suitable for sending bi-directional drive signals to electrical micro-machine.
Alternatively, imaging device according to the present invention also comprises infrared light supply, and this infrared light supply is suitable for opening when the first filter is in the second place.
Alternatively, in imaging device according to the present invention, infrared light supply comprises one group of LED.
Alternatively, in imaging device according to the present invention, infrared light supply comprises organizes LED more, and this many group LED is distributed in optical lens parts both sides.
According to a further aspect of the invention, also provide a kind of mobile terminal, comprise according to imaging device of the present invention.
According to the imaging device of the embodiment of the present invention, can be regulated by the single of filter driving mechanism, the parameter important with optical filtering these two with regard to energy focusing regulates, this front-facing camera being just different from focusing of general mobile phone and/or there is unadjustable filter, according to the imaging technique of the embodiment of the present invention can realize to single imaging device (front-facing camera of such as mobile terminal) to find a view with iris recognition multiplexing.In addition, according in the imaging device of the embodiment of the present invention, achieve and filter and optical mirror slip are regulated by a driving mechanism simultaneously, greatly improve operation convenience.Further, according to single filter sheet structure of the embodiment of the present invention, can meet and require in strict equipment such as such as mobile phone, flat board etc. to physical dimension, be convenient to save structure space.
Accompanying drawing explanation
In order to realize above-mentioned and relevant object; combine description below and accompanying drawing herein to describe some illustrative aspect; these aspects indicate the various modes can putting into practice principle disclosed herein, and all aspects and equivalent aspect thereof are intended to fall in the scope of theme required for protection.Read detailed description below in conjunction with the drawings, above-mentioned and other object of the present disclosure, Characteristics and advantages will become more obvious.Throughout the disclosure, identical Reference numeral is often referred to for identical parts or element.
Fig. 1 shows the structured flowchart of a mobile terminal 100; And
Fig. 2 shows imaging device 200 according to an embodiment of the invention.
Embodiment
Below with reference to accompanying drawings exemplary embodiment of the present disclosure is described in more detail.Although show exemplary embodiment of the present disclosure in accompanying drawing, however should be appreciated that can realize the disclosure in a variety of manners and not should limit by the embodiment set forth here.On the contrary, provide these embodiments to be in order to more thoroughly the disclosure can be understood, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
Fig. 1 is the structured flowchart of mobile terminal 100.Mobile terminal 100 can comprise memory interface 102, one or more data processor, image processor and/or CPU 104, and peripheral interface 106.
Memory interface 102, one or more processor 104 and/or peripheral interface 106 both can be discrete components, also can be integrated in one or more integrated circuit.In the mobile terminal 100, various element can be coupled by one or more communication bus or holding wire.Transducer, equipment and subsystem can be coupled to peripheral interface 106, to help to realize several functions.
Such as, motion sensor 110, optical sensor 112 and range sensor 114 can be coupled to peripheral interface 106, to facilitate the functions such as orientation, illumination and range finding.Other transducers 116 can be connected with peripheral interface 106 equally, such as navigation system (such as GPS), temperature sensor, biometric sensor or other sensor devices, can help thus to implement relevant function.
Camera sub-system 120 and optical pickocff 122 may be used for the realization of the camera function of convenient such as recording photograph and video clipping, and wherein said camera sub-system and optical pickocff can be such as charge coupled device (CCD) or complementary metal oxide semiconductors (CMOS) (CMOS) optical pickocff.Can help realize communication function by one or more radio communication subsystem 124, wherein radio communication subsystem can comprise radio-frequency transmitter and transmitter and/or light (such as infrared) Receiver And Transmitter.The particular design of radio communication subsystem 124 and execution mode can depend on one or more communication networks that mobile terminal 100 is supported.Such as, mobile terminal 100 can comprise be designed to support GSM network, GPRS network, EDGE network, Wi-Fi or WiMax network and Bluebooth
tMthe communication subsystem 124 of network.
Audio subsystem 126 can be coupled with loud speaker 128 and microphone 130, such as, to help the function of implementing to enable voice, speech recognition, speech reproduction, digital record and telephony feature.I/O subsystem 140 can comprise touch screen controller 142 and/or other input control devices 144 one or more.Touch screen controller 142 can be coupled to touch-screen 146.For example, what this touch-screen 146 and touch screen controller 142 can use any one in multiple touch-sensing technology to detect to carry out with it contact and movement or time-out, and wherein detection technology is including, but not limited to capacitive character, resistive, infrared and surface acoustic wave technique.Other input control devices 144 one or more can be coupled to other input/control devicess 148, the indication equipment of such as one or more button, rocker switch, thumb wheel, infrared port, USB port and/or stylus and so on.Described one or more button (not shown) can comprise the up/down button for control loudspeaker 128 and/or microphone 130 volume.
Memory interface 102 can be coupled with memory 150.This memory 150 can comprise high-speed random access memory and/or nonvolatile memory, such as one or more disk storage device, one or more optical storage apparatus, and/or flash memories (such as NAND, NOR).Memory 150 can storage operation system 172, the such as operating system of Android, IOS or Windows Phone and so on.This operating system 172 can comprise the instruction of the task of depending on hardware for the treatment of basic system services and execution.Memory 150 can also store application 174.When mobile device runs, meeting load operation system 172 from memory 150, and performed by processor 104.Application 154 operationally, also can load, and be performed by processor 104 from memory 150.Application 174 operates on operating system, the function that the various user of the Interface realization utilizing operating system and bottom hardware to provide expects, as instant messaging, web page browsing, pictures management etc.Application 174 can provide independent of operating system 172, also can be that operating system 172 carries.
In above-mentioned camera sub-system 120, wherein a kind of equipment is according to imaging device 200 of the present invention.This imaging device can realize to normal photographing (such as autodyne) and iris take multiplexing.
Fig. 2 shows imaging device 200 according to an embodiment of the invention.Imaging device according to the present invention is suitable for using in a mobile device.Certainly, also can be applied to multiplely needs to carry out iris recognition and normal picture is taken in the equipment of (such as autodyning), particularly has in the device of requirement imaging device structure dimensional structure.
As shown in Figure 2, according to the imaging device 200 of mobile terminal of the present invention, optical lens parts, filter member and imageing sensor 260 is comprised.
Optical lens parts comprise optical mirror slip 250 and can regulate the supporting mechanism of optical mirror slip focal length.Supporting mechanism regulates the mode of optical mirror slip to include but not limited to rotation mode, and such as this supporting mechanism is screw thread firmware device.Threaded fastening mechanisms can rotarily drive optical mirror slip and carry out way moving along rotation.These optical lens parts are suitable for obtaining image.Particularly can normally find a view or obtain iris image.
The filter driving mechanism 230 that filter member comprises the first filter 210, carries the slide rail 220 of this first filter 210 and be connected with filter.Wherein the first filter 210 is suitable for hindering non-visible light to pass through, thus avoids when normally finding a view (such as autodyning), and imageing sensor produces chromatic distortion.Filter driving mechanism 230 can drive filter to move between the primary importance and the second place of slide rail 220.Wherein, the first filter 210, when primary importance, can be in the light path of optical lens parts.In this case, imaging device is suitable for normally finding a view.When the first filter 210 is in the second place, can be in outside the light path of optical lens parts, imaging device is in this case suitable for taking such as iris image etc.In addition, in imaging device of the present invention, also there is transmission mechanism 240.Optical lens parts are connected with filter driving mechanism 230 by this transmission mechanism 240.Certain transmission mechanism 240 also can as of filter driving mechanism 230 parts.Such filter driving mechanism 230 just can regulate optical lens parts and the first filter 210 simultaneously.Particularly, when the first filter 210 is moved to primary importance by filter driving mechanism 230, the transmission mechanism 240 connecting this driving mechanism drives supporting mechanism to be rotated counterclockwise by optical mirror slip to the 3rd position near supporting mechanism, namely by rotating the focal length reducing optical lens parts, the viewfinder range of optical lens parts is made to increase like this, and by the first filter 210, the light for imaging is on the image sensor filtered, eliminate the non-visible lights such as such as Infrared, be convenient to the chromatic distortion eliminating imaging.Otherwise, when filter is moved to the second place by filter driving mechanism 230, transmission mechanism 240 drives supporting mechanism to rotate, rotated to the 4th position away from supporting mechanism along pointer by optical mirror slip 250, the focal length by optical lens parts increases, and can reduce viewfinder range like this, first filter 210 is in outside light path simultaneously, make the image of people's eye portion be full of viewfinder range as far as possible, be convenient to, in the application such as identification, gather iris image.
Thus, can be regulated by the single of filter driving mechanism 230 according to imaging device of the present invention, the parameter important with optical filtering these two with regard to energy focusing regulates, this be just different from general mobile phone focus with or there is the front-facing camera of unadjustable filter, according to imaging technique of the present invention can realize to single imaging device (front-facing camera of such as mobile terminal) to find a view with iris recognition multiplexing.In addition, in imaging device according to the present invention, achieve and the first filter 210 and optical mirror slip 250 are regulated by a driving mechanism simultaneously, greatly improve operation convenience.In addition, filter member of the present invention is single filter sheet structure, is different from common pair of filter sheet structure, can meet and require in strict equipment such as such as mobile phone, flat board etc. to physical dimension, is convenient to save structure space.
Alternatively, in according to still another embodiment of the invention, filter member also comprises the second filter being suitable for hindering visible ray to pass through, when the first filter 210 hindering non-visible light to pass through is moved to the second place by filter driving mechanism, the second filter hindering visible ray to pass through is driven to move to primary importance; When the first filter 210 hindering non-visible light to pass through is moved to primary importance by filter driving mechanism, the second filter hindering visible ray to pass through is driven to move to the second place.Such second filter can play and carry out filtering to visible ray, thus makes the interference can avoiding visible ray when carrying out iris imaging according to imaging device of the present invention.
In imaging device according to the present invention, filter driving mechanism 230 can select multiple control modes.
In one embodiment, filter driving mechanism 230 comprises electrical micro-machine and electrical micro-machine controller.Particularly, can be controlled electrical micro-machine controller by the application of taking pictures of mobile terminal, and then send bi-directional drive signals by electrical micro-machine controller to electrical micro-machine, realize switching the pattern of imaging device.
In yet another embodiment, filter driving mechanism 230 is for ease of the Manual structure of user's ease of Use.Manual structure includes but not limited to plucking piece, and one end of plucking piece is arranged on to be convenient on position that user fiddles with, such as, slide switch on mobile terminal or button.When carrying out the switching of self-timer mode and iris recognition pattern, user can by stirring plucking piece to switch.Such as, operate corresponding to plucking piece, the 3rd position of optical mirror slip and the range difference of the 4th position are 0.001-5mm.
In addition, in an embodiment according to the present invention, imaging device can also comprise infrared light supply.Infrared light supply is suitable for opening when filter is in the second place, i.e. the unlatching when carrying out iris imaging, can improve the image definition of iris imaging.Particularly, infrared light supply can comprise two groups of LED.And two groups of LED can be distributed in the both sides of optical lens parts, like this when carrying out iris imaging, can irradiate left eye and right eye respectively with two groups of LED, be convenient to the eyes image that imaging device obtains uniform intensity like this, the error rate of iris recognition can be reduced.
A10, according to imaging device of the present invention, described infrared light supply comprises one group of LED.A11, according to imaging device of the present invention, described infrared light supply comprises organizes LED more, and this many group LED is distributed in described optical lens parts both sides.
In specification provided herein, describe a large amount of detail.But can understand, embodiments of the invention can be put into practice when not having these details.In some instances, be not shown specifically known method, structure and technology, so that not fuzzy understanding of this description.
Similarly, be to be understood that, in order to simplify the disclosure and to help to understand in each inventive aspect one or more, in the description above to exemplary embodiment of the present invention, each feature of the present invention is grouped together in single embodiment, figure or the description to it sometimes.But, the method for the disclosure should be construed to the following intention of reflection: namely the present invention for required protection requires than the feature more multiple features clearly recorded in each claim.Or rather, as claims below reflect, all features of disclosed single embodiment before inventive aspect is to be less than.Therefore, the claims following embodiment are incorporated to this embodiment thus clearly, and wherein each claim itself is as independent embodiment of the present invention.
Those skilled in the art are to be understood that the module of the equipment in example disclosed herein or unit or assembly can be arranged in equipment as depicted in this embodiment, or alternatively can be positioned in one or more equipment different from the equipment in this example.Module in aforementioned exemplary can be combined as a module or can be divided into multiple submodule in addition.
Those skilled in the art are appreciated that and adaptively can change the module in the equipment in embodiment and they are arranged in one or more equipment different from this embodiment.Module in embodiment or unit or assembly can be combined into a module or unit or assembly, and multiple submodule or subelement or sub-component can be put them in addition.Except at least some in such feature and/or process or unit be mutually repel except, any combination can be adopted to combine all processes of all features disclosed in this specification (comprising adjoint claim, summary and accompanying drawing) and so disclosed any method or equipment or unit.Unless expressly stated otherwise, each feature disclosed in this specification (comprising adjoint claim, summary and accompanying drawing) can by providing identical, alternative features that is equivalent or similar object replaces.
In addition, those skilled in the art can understand, although embodiments more described herein to comprise in other embodiment some included feature instead of further feature, the combination of the feature of different embodiment means and to be within scope of the present invention and to form different embodiments.Such as, in the following claims, the one of any of embodiment required for protection can use with arbitrary compound mode.
In addition, some in described embodiment are described as at this can by the processor of computer system or the method implemented by other device performing described function or the combination of method element.Therefore, there is the device of processor formation for implementing the method or method element of the necessary instruction for implementing described method or method element.In addition, the element described herein of device embodiment is the example as lower device: this device is for implementing the function performed by the element of the object in order to implement this invention.
As used in this, unless specifically stated so, use ordinal number " first ", " second ", " the 3rd " etc. to describe plain objects and only represent the different instances relating to similar object, and be not intended to imply the object be described like this must have the time upper, spatially, sequence aspect or in any other manner to definite sequence.
Although the embodiment according to limited quantity describes the present invention, benefit from description above, those skilled in the art understand, in the scope of the present invention described thus, it is contemplated that other embodiment.In addition, it should be noted that the language used in this specification is mainly in order to object that is readable and instruction is selected, instead of select to explain or limiting theme of the present invention.Therefore, when not departing from the scope and spirit of appended claims, many modifications and changes are all apparent for those skilled in the art.For scope of the present invention, be illustrative to disclosing of doing of the present invention, and nonrestrictive, and scope of the present invention is defined by the appended claims.
Claims (10)
1. an imaging device for mobile terminal, comprising:
Optical lens parts, are suitable for obtaining image;
Filter member, comprising:
Be suitable for the first filter hindering non-visible light to pass through;
Carry the slide rail of this first filter; With
The filter driving mechanism be connected with the first filter, this the first filter is suitable for move between the primary importance and the second place of slide rail, wherein be in the light path of optical lens parts at first position first filter, be in outside the light path of lens assembly at second position first filter; And
The transmission mechanism be connected with described filter driving mechanism with described optical lens parts,
Wherein, described optical lens parts comprise optical mirror slip and are suitable for eyeglass to rotate fixing supporting mechanism,
Described transmission mechanism is suitable for when the first filter is moved to primary importance by the first filter driving mechanism, optical mirror slip is driven to rotate to the 3rd position near supporting mechanism, and when the first filter is moved to the second place by filter driving mechanism, drive optical mirror slip to rotate to the 4th position away from supporting mechanism.
2. imaging device as claimed in claim 1, wherein said filter driving mechanism comprises and is suitable for manually operated plucking piece.
3. imaging device as claimed in claim 1, wherein the range difference of optical mirror slip between described 3rd position and the 4th position is within the scope of 0.001-5mm.
4. imaging device as claimed in claim 1, described supporting mechanism comprises threaded fastening mechanisms.
5. imaging device as claimed in claim 4, wherein said transmission mechanism is suitable for when the first filter is moved to primary importance by filter driving mechanism, optical mirror slip dextrorotation is driven to go to the 3rd position, and when the first filter is moved to the second place by filter driving mechanism, drive optical mirror slip to be rotated counterclockwise to the 4th position.
6. imaging device as claimed in claim 1, wherein filter member also comprises the second filter being suitable for hindering visible ray to pass through, filter driving mechanism is suitable for driving the second filter to move to primary importance when the first filter is moved to the second place, and drives the second filter to move to the second place when the first filter is moved to primary importance.
7. imaging device as claimed in claim 1, also comprises imageing sensor, is suitable for optical imagery to be converted to electronic image.
8. imaging device as claimed in claim 1, wherein said filter driving mechanism comprises electrical micro-machine and electrical micro-machine controller, and this electrical micro-machine controller is suitable for sending bi-directional drive signals to electrical micro-machine.
9. imaging device as claimed in claim 1, also comprise infrared light supply, this infrared light supply is suitable for opening when described filter is in the described second place.
10. a mobile terminal, comprises the imaging device as described in any one of claim 1 to 9.
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| CN201510161922.5A CN104735325B (en) | 2015-04-07 | 2015-04-07 | The imaging device and mobile terminal of a kind of mobile terminal |
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| CN201510161922.5A CN104735325B (en) | 2015-04-07 | 2015-04-07 | The imaging device and mobile terminal of a kind of mobile terminal |
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| CN104735325B (en) | 2018-01-26 |
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