CN104834903B - For moving the Binoculus iris image acquiring device of equipment - Google Patents
For moving the Binoculus iris image acquiring device of equipment Download PDFInfo
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- CN104834903B CN104834903B CN201510201382.9A CN201510201382A CN104834903B CN 104834903 B CN104834903 B CN 104834903B CN 201510201382 A CN201510201382 A CN 201510201382A CN 104834903 B CN104834903 B CN 104834903B
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- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000003384 imaging method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 210000001747 pupil Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 210000000162 simple eye Anatomy 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 210000004087 cornea Anatomy 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/18—Eye characteristics, e.g. of the iris
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
- G06V10/12—Details of acquisition arrangements; Constructional details thereof
- G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
- G06V10/147—Details of sensors, e.g. sensor lenses
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
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Abstract
The present invention provides a kind of Binoculus iris image acquiring device for being used to move equipment, including：LED light, reflection unit, big multiplying power camera lens and the cmos image sensor of near-infrared；The LED light of near-infrared is used to illuminate iris region；Reflection unit is used for the direction of propagation for changing light, the reflection unit includes the first reflecting surface and the second reflecting surface, second reflecting surface is used to change into parallel to mobile device length direction parallel to the light in mobile device thickness direction, and the first reflecting surface is used to change into parallel to mobile plant width direction parallel to the light in mobile device length direction；Big multiplying power camera lens is arranged in the light path of reflection unit emergent light, and parallel to the lower edges of mobile equipment, big multiplying power camera lens is used to collect the light for changing the direction of propagation its main shaft；Cmos image sensor is arranged on the light direction of big multiplying power camera lens, its photosurface is used to be imaged the light of collection perpendicular to mobile equipment upper and lower surface.
Description
Technical field
The present invention relates to mobile equipment field of photography, more particularly to a kind of Binoculus iris image acquiring for being used to move equipment
Device.
Background technology
Iris is the annular shape tissue around pupil, controls the size of pupil to adjust and enters the light of eyes.Iris
There are two significant edges, when the inward flange with pupil handing-over, the other is the outer edge with cornea handing-over.
Iris recognition is the highest a kind of identification technology of discrimination in current living things feature recognition, it is utilized in eye image
The feature of iris region is identified.When collection eye image, during for iris recognition, in order to ensure that it is higher accurate that identification has
Rate, generally requires in image is gathered, and the outside diameter of iris is not less than 200 pixels.Most start, iris recognition is substantially adopted
With simple eye iris recognition.With the development of technology, iris of both eyes identification is increasingly taken seriously.Compared with simple eye iris recognition,
If gathering binocular images at the same time, identification while iris of both eyes is carried out, then can greatly improve the accuracy rate of identification, and improve
Use friendly to user.
In recent years, miscellaneous iris identification device is had been introduced among the life of people.With mobile phone, tablet electricity
The popularization of the mobile equipment such as brain, iris recognition technology, which is applied in these movement equipment, becomes iris recognition application field
A kind of new direction.
The difficult point of iris recognition is the collection of the clear iris image of high quality.When iris recognition is applied to the movement such as mobile phone
When in equipment, limited be subject to equipment size, the difficulty in this collection is just more prominent.Do not find also still up to now
One ripe solution.At present, in the mobile equipment such as mobile phone, existing camera module is limited by, iris capturing is also
It is relatively difficult, it can not realize substantially.
Camera imaging formula：Wherein f is focal length, and u is object distance；V is image distance.
Camera magnifying power formula：
Typically, since the area of human iris is smaller (cylindrical average diameter 10mm), it usually needs using amplification
The larger camera lens of multiplying power can just collect the iris image of texture clear enough.Work as object distance it can be seen from above formula
When certain (human eye is from camera lens or more than screen of hand-held device 25cm, the friendly higher of collection), the times magnification of camera lens
Rate is bigger, then image distance is bigger, and focal length is bigger, therefore the length of camera lens and the distance of camera lens to imaging surface are bigger, and mobile phone etc.
The development trend of mobile equipment appearance is really more next thin, is directly disposed vertically longer camera lens and is shown in the mobile equipment such as mobile phone
It cannot so meet the requirements.
As shown in Figure 1, it is assumed that 7 diameter y of people's eye iris is 10mm, apart from collecting device 8 about at u=30cm, and can
Should be in 200~250 pictures for pixel shared by iris region outside diameter in the iris image requirement image of reliable iris recognition
Element, in terms of the current each Pixel Dimensions of mainstream high-resolution camera chip of mobile phone about 1.5um, then in camera chip photosurface
Middle 9 size of iris imaging should be 0.3mm~0.375mm, can calculate image distance v=9~11.25mm, focal length f in the case of this kind
=8.7~10.8mm.
If consuming the thickness as shared by shell, chip thickness, Lens, locations of structures etc. plus other sizes, with
Iris collection device is positioned among the mobile equipment such as mobile phone by traditional approach, then the thickness of mobile equipment is at least needed ten
More than several millimeters, this does not simultaneously meet the more and more thinner development trend of the mobile equipment such as mobile phone.Therefore, by iris recognition technology application
Onto mobile equipment, the positional structure of camera chip and camera lens necessarily improves.
The patent document of Application No. 201410449744.1, which discloses one kind and is installed on mobile terminal, takes angular adjustable
Optical module, including：Reflection unit, for changing the light in movement from mobile terminal collected outside light and by reflecting
The direction of propagation in terminal；Camera lens, it is installed in mobile terminal, for collecting the light after the reflection, the reflection dress
Put and coordinate with the camera lens, be that light of the mobile terminal after camera lens can be extended through in the case that thickness is constant is propagated
Path；Sensor, for being imaged through the light after camera lens.
But above-mentioned technical proposal is mainly used for improving common imaging effect, and iris image acquiring is not applied to, especially
Binoculus iris image acquiring.This is because：For user friendly, when iris recognition is mainly used in the mobile equipment such as mobile phone
When, iris capturing is generally required can observe positioned at the front of the mobile equipment such as mobile phone, such user on positive screen
To the eyes image of collection.But since the mobile equipment integral thickness such as mobile phone is very thin (being generally less than 9mm), in addition it is subject to liquid crystal display
The influence of curtain position, it is very limited to place the space of iris capturing module, wherein being limited on thickness and length direction outstanding
To be stringent, in the horizontal direction, relative loose.
If to use iris of both eyes to identify, the eyes interpupillary distance of people is about in 60mm or so, if passed with an image
Sensor gathers the image of eyes at the same time, ensures the outside diameter of each iris again and has 200-250 pixel or so on the image,
And user has more free collection moving range, then imaging sensor is required to have on the direction of the parallel eyes line of centres
Resolution ratio more than 3000 pixels (is calculated, then size in this direction, light sensation with general each pixel 1.5um
Light pixel will exceed 4.5mm, if plus the other parts of chip, and surrounding package, by least up to 7, more than 8mm).
On the direction of the vertical eyes line of centres, to the of less demanding of pixel quantity.If using the use one described in above-mentioned patent
The Image Acquisition structure of a reflection unit, embodiment one use positional structure as shown in Figure 2 so that with the mobile equipment such as mobile phone
The image sensitive chip placed of screen vertical, the size on the direction of vertical screen is larger.Embodiment two is using such as Fig. 3 institutes
The positional structure shown so that whole acquisition module is in the oversized of vertical direction.Both positional structures, are all unfavorable for mobile phone
Deng moving, equipment is more and more thinner, the less and less development trend in the space in addition to screen.
The content of the invention
The technical problems to be solved by the invention are：A kind of Binoculus iris image acquiring dress for being used to move equipment is provided
Put, on the premise of keeping mobile equipment size unaffected, clearly iris of both eyes image can be collected.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
A kind of Binoculus iris image acquiring device for being used to move equipment, including：It is the LED light of near-infrared, reflection unit, big
Multiplying power camera lens and cmos image sensor；
The LED light of near-infrared is used to illuminate iris region；
Reflection unit is used for the direction of propagation for changing light, and the reflection unit includes the first reflecting surface and the second reflection
Face, the second reflecting surface are used to change into parallel to mobile device length direction parallel to the light in mobile device thickness direction,
First reflecting surface is used to change into parallel to mobile plant width direction parallel to the light in mobile device length direction；
Big multiplying power camera lens is arranged in the light path of reflection unit emergent light, its main shaft is parallel to the upper following of mobile equipment
Edge, big multiplying power camera lens are used to collect the light for changing the direction of propagation；
Cmos image sensor is arranged on the light direction of big multiplying power camera lens, its photosurface is perpendicular to mobile equipment upper and lower surface
For being imaged to the light of collection.
The beneficial effect of the above-mentioned Binoculus iris image acquiring device for moving equipment is：Near-infrared LED lamp illuminates
The iris region of people, light enters the first reflecting surface through the second reflective surface, and passes through the first reflective surface so that light
It is parallel to enter big multiplying power camera lens, it is imaged through cmos image sensor, final image becomes vertical direction from horizontal direction, so that
In the case of not changing mobile equipment size, clearly iris image is gathered.
Brief description of the drawings
Fig. 1 is image objects schematic diagram；
Fig. 2 is the structure diagram of one iris of both eyes of background technology embodiment identification；
Fig. 3 is the structure diagram of two iris of both eyes of background technology embodiment identification；
Fig. 4 is the structure diagram for being used to move the Binoculus iris image acquiring device of equipment of the embodiment of the present invention one；
Fig. 5 is the structure diagram for being used to move the Binoculus iris image acquiring device of equipment of the embodiment of the present invention two.
Label declaration：
1st, the LED light of near-infrared；2nd, reflection unit；20th, the first triangular prism；21st, the second triangular prism；22nd, the one 45
Spend reflective mirror；23rd, the 2nd 45 degree of reflective mirror；3rd, big multiplying power camera lens；4th, cmos image sensor；5th, iris region；6th, iris area
Domain imaging；7th, people's eye iris；8th, collecting device；9th, iris imaging.
Embodiment
For the technology contents that the present invention will be described in detail, the objects and the effects, below in conjunction with embodiment and coordinate attached
Figure is explained.
The design of most critical of the present invention is：The LED light of near-infrared is irradiated so that abundant texture, photograph is presented in the iris of people
The light penetrated horizontally enters into big multiplying power camera lens after reflection unit reflects.
Explanation of technical terms of the present invention：
| Technical term | Explain |
| CMOS | Complementary metal oxide semiconductor |
| Red sudden and violent phenomenon | Filter unnet, there is a small amount of feux rouges to be seen by human eye |
It refer to Fig. 3 to Fig. 5, a kind of Binoculus iris image acquiring device for being used to move equipment, including：Near-infrared
LED light 1, reflection unit 2, big multiplying power camera lens 3 and cmos image sensor 4；
The LED light 1 of near-infrared is used to illuminate iris region；
Reflection unit 2 is used for the direction of propagation for changing light, and the reflection unit includes the first reflecting surface and the second reflection
Face, the second reflecting surface are used to change into parallel to mobile device length direction parallel to the light in mobile device thickness direction,
First reflecting surface is used to change into parallel to mobile plant width direction parallel to the light in mobile device length direction；
Big multiplying power camera lens is arranged in the light path of reflection unit emergent light, its main shaft is parallel to the upper following of mobile equipment
Edge, big multiplying power camera lens are used to collect the light for changing the direction of propagation；
Cmos image sensor is arranged on the light direction of big multiplying power camera lens, its photosurface is perpendicular to mobile equipment upper and lower surface
For being imaged to the light of collection.
As can be seen from the above description：The LED light 1 of near-infrared illuminates the iris region 5 of people, and light enters second through the second reflection
Face is reflected into the first reflecting surface, and passes through the first reflective surface so that light ray parallel enters big multiplying power camera lens, schemes through CMOS
As sensor imaging, final iris region imaging 6 becomes vertical direction by the horizontal direction of iris region 5, so as to not change
In the case of mobile equipment size, clearly iris image is gathered.
Further, first reflecting surface is located on the first triangular prism 20, and the second reflecting surface is located at the second triangular prism
On mirror 21, a right-angle surface of the first triangular prism 20 is arranged in a right-angle surface of the second triangular prism 21, the first triangular prism 20
Another right-angle surface it is concordant with the side of the second triangular prism 21, another right-angle surface of the second triangular prism 21 and mobile equipment are wide
It is parallel to spend direction；
Further, 20 and second triangular prism 21 of the first triangular prism is two sseparated triangular prisms or combination
Into the polygon prism of an entirety.
As can be seen from the above description, two sseparated triangular prisms coordinate, assemble the polygonal rib for flexibly, being combined into an entirety
Mirror is convenient to be produced.
Further, for first reflecting surface on the one 45 degree of reflective mirror 22, the second reflecting surface is located at the 2nd 45 degree
On reflective mirror 23, the 2nd 45 degree of reflective mirror 23 perpendicular to mobile equipment thickness direction, and with mobile equipment upper and lower surface
Placed into 45 degree of angles, the one 45 degree of reflective mirror puts 22 above the 2nd 45 degree of reflective mirror 23, and the one 45 degree of reflective mirror 22 hangs down
Directly in the width of mobile equipment, and placed with mobile equipment upper and lower surface into 45 degree of angles；
Further, the wave band that the LED light 1 of near-infrared uses is 750nm~940nm.
Seen from the above description, existing iris capturing is, it is necessary to add one closely before camera lens or before cmos image sensor
Infrared fileter filters out visible ray, to reduce interference of the extraneous visible ray to image.And the LED light of near-infrared is in this wave band
It is not likely to produce or slightly to produce red sudden and violent phenomenon less, without does optical filtering processing again.
Fig. 4 is refer to, the embodiment of the present invention one is：
A kind of Binoculus iris image acquiring device for being used to move equipment, including：
The LED light 1 of near-infrared, for illuminating the iris region 5 of people, wave band that the LED light 1 of the near-infrared uses for
750nm~940nm；
Reflection unit 2 is used for the direction of propagation for changing light, and the reflection unit includes the first reflecting surface and the second reflection
Face, the second reflecting surface are used to change into parallel to mobile device length direction parallel to the light in mobile device thickness direction,
First reflecting surface is used to change into parallel to mobile plant width direction parallel to the light in mobile device length direction；It is described
First reflecting surface is located on the first triangular prism 20, and the second reflecting surface is located on the second triangular prism 21, the first triangular prism 20
A right-angle surface be arranged in a right-angle surface of the second triangular prism 21, another right-angle surface of the first triangular prism 20 and the second triangle
The side of prism 21 is concordant, and another right-angle surface of the second triangular prism 21 is parallel with mobile plant width direction, and the described 1st
20 and second triangular prism 21 of angle prism is two sseparated triangular prisms or the polygon prism for being combined into an entirety；
Big multiplying power camera lens is arranged in the light path of reflection unit emergent light, its main shaft is parallel to the upper following of mobile equipment
Edge, big multiplying power camera lens are used to collect the light for changing the direction of propagation；
Cmos image sensor is arranged on the light direction of big multiplying power camera lens, its photosurface is perpendicular to mobile equipment upper and lower surface
For being imaged to the light of collection.
Using the above scheme, when user carries out Binoculus iris image acquiring, eyes are directed at the second triangular prism 21, near-infrared
LED light 1 illuminate client iris region 5 after light enter the second triangular prism 21, the first triangle is entered after its slant reflection
Prism 20, and reflected through oblique 20 face of the first triangular prism, final light parallel can reach cmos image sensor by camera lens.Example
Such as, it is necessary to which the iris image of collection is strip rectangle, after reflection unit reflection, upper following table of the long side perpendicular to mobile equipment
Face, short side is parallel to the upper and lower surface for moving equipment, so as to not interfere with the thickness of mobile equipment.
Fig. 5 is refer to, the embodiment of the present invention two is：
A kind of Binoculus iris image acquiring device for being used to move equipment, including：
The LED light 1 of near-infrared, for illuminating the iris region 5 of people, wave band that the LED light 1 of the near-infrared uses for
750nm~940nm；
Reflection unit 2 is used for the direction of propagation for changing light, and the reflection unit includes the first reflecting surface and the second reflection
Face, the second reflecting surface are used to change into parallel to mobile device length direction parallel to the light in mobile device thickness direction,
First reflecting surface is used to change into parallel to mobile plant width direction parallel to the light in mobile device length direction；It is described
First reflecting surface is on the one 45 degree of reflective mirror 22, and the second reflecting surface is on the 2nd 45 degree of reflective mirror 23, and the described 2nd 45
Thickness direction of the reflective mirror 23 perpendicular to mobile equipment is spent, and is placed with mobile equipment upper and lower surface into 45 degree of angles, the one 45 degree
Reflective mirror puts 22 above the 2nd 45 degree of reflective mirror 23, and the one 45 degree of reflective mirror 22 is perpendicular to the width side of mobile equipment
To, and placed with mobile equipment upper and lower surface into 45 degree of angles；
Big multiplying power camera lens is arranged in the light path of reflection unit emergent light, its main shaft is parallel to the upper following of mobile equipment
Edge, big multiplying power camera lens are used to collect the light for changing the direction of propagation；
Cmos image sensor is arranged on the light direction of big multiplying power camera lens, its photosurface is perpendicular to mobile equipment upper and lower surface
For being imaged to the light of collection.
Above two is used for the Binoculus iris image acquiring device for moving equipment, when carrying out Binoculus iris image acquiring,
The image for needing to gather should be the rectangle of strip.After the reflection of the first reflecting surface and the second reflecting surface, relatively narrow one side
The upper and lower surface of the mobile equipment such as the vertical mobile phone of meeting, longer one side can be parallel to upper and lower surface.Therefore, the cmos image of use
The photosensitive area of sensor is also corresponding：If imaging sensor for 4000 pixel *, 1500 pixels, cmos pixel size still with
1.5um is counted, and actually active photosensitive area is 6mm*2.25mm.It is photosensitive on the thickness direction of the mobile equipment such as corresponding mobile phone
The overall size of pixel is only 2.25mm, and along with the other parts of chip, the thickness of the mobile equipment such as mobile phone will not be caused
Influence.
In conclusion the Binoculus iris image acquiring device provided by the present invention for mobile equipment so that iris region
Abundant texture is presented, the final parallel camera lens that passes through reaches cmos image sensor, horizontal image after light enters reflection unit
Vertical image is converted into, so as to not influence the thickness of mobile equipment.
The foregoing is merely the embodiment of the present invention, is not intended to limit the scope of the invention, every to utilize this hair
The equivalents that bright specification and accompanying drawing content are made, are directly or indirectly used in relevant technical field, similarly include
In the scope of patent protection of the present invention.
Claims (5)
- A kind of 1. Binoculus iris image acquiring device for being used to move equipment, it is characterised in that including：It is the LED light of near-infrared, anti- Injection device, big multiplying power camera lens and cmos image sensor；The LED light of near-infrared is used to illuminate iris region；Reflection unit is used for the direction of propagation for changing light, and the reflection unit includes the first reflecting surface and the second reflecting surface, the Two reflectings surface are used to change into parallel to mobile device length direction parallel to the light in mobile device thickness direction, and first is anti- Face is penetrated to be used to change into parallel to mobile plant width direction parallel to the light in mobile device length direction；Big multiplying power camera lens In the light path of reflection unit emergent light, its main shaft is parallel to the lower edges of mobile equipment, and big multiplying power camera lens is for receiving Collection changes the light of the direction of propagation；Cmos image sensor is arranged on the light direction of big multiplying power camera lens, its photosurface is used for perpendicular to mobile equipment upper and lower surface The light of collection is imaged.
- 2. according to claim 1 be used to move the Binoculus iris image acquiring device of equipment, it is characterised in that described the One reflecting surface is located on the first triangular prism, and second reflecting surface is located on the second triangular prism, and the one of the first triangular prism Right-angle surface is arranged in a right-angle surface of the second triangular prism, another right-angle surface of the first triangular prism and the side of the second triangular prism Face is concordant, and another right-angle surface of the second triangular prism is parallel with mobile plant width direction, and reflection unit is used to change light The direction of propagation.
- 3. according to claim 2 be used to move the Binoculus iris image acquiring device of equipment, it is characterised in that described the One triangular prism and the second triangular prism are two sseparated triangular prisms or the polygon prism for being combined into an entirety.
- 4. according to claim 1 be used to move the Binoculus iris image acquiring device of equipment, it is characterised in that described the For one reflecting surface on the one 45 degree of reflective mirror, the second reflecting surface is located at the 2nd 45 degree of reflective mirror, the 2nd 45 degree of reflective mirror Placed perpendicular to the thickness direction of mobile equipment, and with mobile equipment upper and lower surface into 45 degree of angles, the one 45 degree of reflective mirror is placed in Above 2nd 45 degree of reflective mirror, the one 45 degree of reflective mirror perpendicular to mobile equipment width, and with mobile equipment Placed into 45 degree of angles lower surface.
- 5. the Binoculus iris image acquiring device according to claim 1 for being used to move equipment, it is characterised in that described near The wave band that infrared LED light uses is 750nm~940nm.
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| CN201510201382.9A CN104834903B (en) | 2015-04-24 | 2015-04-24 | For moving the Binoculus iris image acquiring device of equipment |
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| CN201510201382.9A CN104834903B (en) | 2015-04-24 | 2015-04-24 | For moving the Binoculus iris image acquiring device of equipment |
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| KR101938273B1 (en) * | 2016-07-01 | 2019-01-15 | 자화전자(주) | Rotational actuator for optical device and camera module having the same |
| CN107301392B (en) * | 2017-06-20 | 2020-12-04 | 华天科技（昆山）电子有限公司 | Wafer-level image acquisition device |
| EP3656118A4 (en) * | 2017-07-18 | 2021-03-03 | Hangzhou Taro Positioning Technology Co., Ltd. | Intelligent object tracking |
| CN108171126B (en) * | 2017-12-13 | 2022-11-15 | 深圳市欢太科技有限公司 | Electronic device with a detachable cover |
| CN108171125A (en) * | 2017-12-13 | 2018-06-15 | 广东欧珀移动通信有限公司 | Iris recognition component and with its electronic equipment |
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| CN204695337U (en) * | 2015-04-24 | 2015-10-07 | 常州先石信息科技有限公司 | For the Binoculus iris image acquiring module of mobile device |
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