WO2014162388A1 - 手のひら静脈撮像装置 - Google Patents
手のひら静脈撮像装置 Download PDFInfo
- Publication number
- WO2014162388A1 WO2014162388A1 PCT/JP2013/059828 JP2013059828W WO2014162388A1 WO 2014162388 A1 WO2014162388 A1 WO 2014162388A1 JP 2013059828 W JP2013059828 W JP 2013059828W WO 2014162388 A1 WO2014162388 A1 WO 2014162388A1
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- WO
- WIPO (PCT)
- Prior art keywords
- lens module
- imaging device
- top cover
- palm vein
- image capture
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/117—Identification of persons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0077—Devices for viewing the surface of the body, e.g. camera, magnifying lens
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/117—Identification of persons
- A61B5/1171—Identification of persons based on the shapes or appearances of their bodies or parts thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4887—Locating particular structures in or on the body
- A61B5/489—Blood vessels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
- A61B5/6898—Portable consumer electronic devices, e.g. music players, telephones, tablet computers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
-
- 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
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1312—Sensors therefor direct reading, e.g. contactless acquisition
-
- 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
- G06V40/12—Fingerprints or palmprints
- G06V40/1365—Matching; Classification
-
- 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
- H04N23/51—Housings
-
- 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
-
- 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
- G06V40/14—Vascular patterns
Definitions
- the present invention relates to a palm vein imaging device.
- an imaging apparatus that irradiates a target with uniform light and images a predetermined range of the target has been widely used.
- An image processing system that performs image processing on image data of such an imaging device to acquire a clear digital captured image so that it can be used in various ways has been widely put into practical use.
- the features of the living body which are parts of the human body that can identify the individual, such as fingerprints of the limbs, eye retina, face, blood vessels, etc. are imaged to recognize the features of the living body.
- Various devices for personal authentication have been provided.
- palms, finger blood vessels, and palm prints are suitable for improving highly reliable personal authentication because a relatively large amount of personal characteristic data can be obtained.
- the pattern of blood vessels (veins) has not changed throughout the life since the time of the fetus, and it is said that there is no difference in the number of people.
- the user brings the palm close to the imaging device during registration or authentication.
- the imaging device emits near-infrared light and places it on the palm.
- the imaging device receives near infrared rays reflected from the palm by the image sensor.
- the hemoglobin in the red blood cells flowing in the veins has lost oxygen.
- This hemoglobin (reduced hemoglobin) absorbs near-infrared rays in the vicinity of 760 nanometers. For this reason, when a near infrared ray is applied to the palm, only the portion where the vein is present is less reflected, and the position of the vein can be recognized by the intensity of the reflected near infrared ray.
- the user registers the vein image data of his / her palm in a server or ID card using the imaging device.
- the user reads the vein image data of his / her palm using the imaging device, and the vein pattern of the vein registration image extracted from the read vein image and his / her ID To verify personal authentication.
- an image sensor that has been miniaturized so that it can be incorporated into a device such as an ATM
- an image sensor and a plurality of light emitting elements arranged around the image sensor are mounted on a circuit board.
- the light is configured to illuminate the imaging range with a ring-shaped light guide.
- the imaging optical unit is accommodated in the ring of the ring-shaped light guide, and an image sensor is disposed on the bottom thereof, and the reflected light image of the imaging range illuminated by the ring-shaped light guide is received.
- an imaging apparatus that is miniaturized by mounting a light receiving system and a light emitting system on the same substrate. (For example, refer to Patent Document 1.)
- the fingertip touch method for fingerprint authentication is surprisingly troublesome when actually used.
- the palm vein authentication described above is simple because it is a method in which the hand is held over the imaging apparatus.
- the image sensor to be used is an image sensor having a width of 640 dots.
- an image sensor having a width of 640 dots has a chip size of about 6 ⁇ 7 mm and a package mounted on the substrate of about 9 ⁇ 9 mm.
- a thin electronic device such as a notebook personal computer is about 25 mm even if it is thick, and a flat portable electronic device consisting only of a touch panel type display screen has a thickness of 10 mm or less. In this case, it is difficult to incorporate an imaging device having a height of 27 mm.
- the present invention solves the above-described conventional problems, and an object thereof is to provide a thin palm vein imaging device that can be incorporated into a thin electronic device such as a notebook personal computer. .
- a palm vein imaging device is mounted on a cylindrical frame-shaped casing, a printed circuit board held horizontally inside the casing, and an upper surface of the printed circuit board.
- An image pickup system comprising an image sensor and an image pickup lens module, and a top cover that covers an upper opening of the housing to protect the image pickup lens module of the image pickup system.
- the portion facing the imaging lens module has a concave portion formed thinner than the surrounding portion, and the imaging lens module is configured such that the upper portion is arranged in a shape that enters the concave portion.
- the printed circuit board has a plurality of chip components constituting a control system including at least a CPU and a memory mounted on the lower surface, and is disposed between the bottom surface of the chip components and the bottom opening surface of the housing.
- a gap is formed on the assembling mounting surface of the assembling destination device so that the chip component does not come into contact therewith.
- a distance measuring lens module including a lens portion and an aperture portion is mounted at four corners of the printed circuit board.
- the lens portion of the distance measuring lens module may be configured to be separated from the aperture portion and integrally molded with the top cover.
- the concave portion may be formed in a circular cut shape, and the thickness of the four sides from the circular horizontal plane of the central portion and the circular periphery of the horizontal plane. You may form in the truncated cone shape which consists of the slope which spreads to a meat part. Further, the height of the casing is 5 mm or less, and the thickness of the peripheral portion of the top cover is 1 mm or less.
- the present invention can provide a palm vein imaging device that can be incorporated into a thin electronic device such as a notebook personal computer.
- FIG. 3 is an enlarged perspective view showing only an annular light guide body of (a).
- FIG. 2 is a diagram illustrating a more detailed configuration of a lens module of the imaging apparatus according to the first embodiment and details of a height dimension of the entire imaging apparatus.
- (a) is a side sectional view showing an image pickup apparatus according to the second embodiment
- (b) is a perspective view of only the top cover taken out and seen obliquely from the inside
- (c) and (d) are different from the first embodiment. It is a figure which takes out only a component and shows simply for a comparison.
- (a) is the sectional side view which shows the imaging device which concerns on Example 3
- (b) is the perspective view which took out only the top cover and was seen from inner side diagonally downward.
- FIG. 1A is a perspective view illustrating a notebook personal computer in which a palm vein imaging device (hereinafter simply referred to as an imaging device) according to the first embodiment is incorporated, and FIG. 1B illustrates the use of the imaging device. It is a figure which shows a method.
- a palm vein imaging device hereinafter simply referred to as an imaging device
- the notebook personal computer 1 includes a lid 2 and a main body 3, and a liquid crystal display device 4 is formed on the inner surface of the opened lid 2.
- the main body 3 with the lid 2 opened is formed with a keyboard 5 that occupies the center part on the upper surface.
- a touch panel type pointing device 6 is disposed at the center of the area below the keyboard 5, and a left click button 7 and a right click button 8 are disposed on the left and right sides thereof.
- An imaging device 9 is arranged at the lower right corner of the upper surface of the main body 3.
- the imaging device 9 is a built-in palm vein imaging device. As shown in FIG. 1B, the user 10 holds the palm 11 over about 50 mm above the imaging device 9 so that the imaging device 9 A near-infrared ray 12 having a specific wavelength is irradiated, and a vein image of the palm 11 is read by the image sensor 18 of the imaging device 9 to perform personal authentication.
- FIG. 2A is a side sectional view of the imaging device 9
- FIG. 2B is a plan view showing the arrangement of the LEDs and the image sensor 18 on the printed circuit board 16, and
- FIG. It is an expansion perspective view which takes out and shows only the annular light guide of (a).
- the imaging device 9 has a frame-shaped casing 13 that is substantially square.
- the bottom of the housing 13 is open, and a top cover 14 is attached to the top.
- the top cover 14 has a certain strength for protecting the internal member.
- the top cover 14 is a transparent resin molded product, and a concave portion 15 is formed at the center of the inner surface of the top cover 14 in order to reduce the thickness of the entire apparatus while maintaining a constant strength.
- a printed circuit board 16 is disposed in the housing 13 so as to close the opening at the bottom.
- a plurality of chip components 17 constituting a control system such as a CPU and a memory are mounted on the bottom surface of the printed circuit board 16.
- an image pickup system including an image sensor 18 and a lens module 19 disposed above the image sensor 18 is disposed in the center, and a plurality of (books) disposed in an annular shape so as to surround the image sensor 18.
- an illumination system including eight illumination LEDs 21 and an annular light guide 22 disposed above the illumination LEDs 21 is provided.
- the illumination LED 21 is divided into four blocks in an annular arrangement, and a light receiving element 23 is arranged at the center of each block.
- the light receiving element 23 is provided to control the light quantity of the left and right illumination LEDs 21.
- a distance measuring system including a distance measuring LED 24 and a distance measuring lens 25 for detecting the palm 11 and measuring the distance is disposed on the upper surface of the printed circuit board 16.
- These optical system components are constructed on a single printed circuit board 16 in order to reduce the size, thickness and cost of the entire apparatus.
- FIG. 3 (a) is a side sectional view showing only the top cover 14 taken out
- FIG. 3 (b) is a perspective view of FIG. 3 (a) seen obliquely from below as indicated by an arrow a.
- the dimensions of the top cover 14 are 20 mm in length and width and 0.9 mm in thickness.
- the diameter 15 of the recess 15 is 9.0 mm and the surface thickness is 0.6 mm.
- the top cover 14 is a resin molded product as described above, and the edge surface 26 of the recess 15 has an outer diameter so that it can be easily extracted from the mold, that is, not to form a “hangover portion”. Is formed larger than the inner diameter.
- FIG. 4 is a diagram showing a more detailed configuration of the lens module 19 and details of the height of the entire imaging device 9.
- the same components as those shown in FIGS. 2 and 3 are denoted by the same reference numerals as those in FIGS.
- the lens module 19 requires a wide-angle lens even if it is small in order to photograph the entire palm 11 at a distance of about 50 mm, for example.
- a spherical triplet lens is used.
- the lens module 19 includes a lens barrel 28 in which the assembled lens is accommodated, and a mount portion 27 that supports the lens barrel 28 and connects the lens barrel 28 to the printed circuit board 16. Inside the lens barrel 28, a first lens 29, a diaphragm 31, a second lens 32, a third lens 33, and a wavelength selection filter 26 are housed in order from the top.
- the wavelength selection filter 26 is a wavelength selection filter that transmits only the near infrared wavelength.
- the wavelength selection filter 26 blocks infrared light having a wavelength longer than the near infrared wavelength required by the image sensor 18.
- An IR cut filter may be used.
- a band pass filter that blocks light other than the wavelength required by the image sensor 18 may be used as the wavelength selection filter inside the lens barrel 28.
- FIG. 4 shows the thickness a of the top cover 14, the thickness b of the concave portion 15, the distance c between the lower surface of the concave portion 15 and the upper portion of the lens module 19, and the lens upper end height after focus adjustment as viewed from the sensor detection surface.
- the height d of the image sensor, the thickness f of the printed circuit board, the height g of the chip component 17, and the vertical gap h between the bottom surface of the chip component 17 and the lower end of the housing 13 are shown.
- the thickness a of the top cover 14 and the surface thickness b of the recess 15 are determined from different points of view.
- the surface thickness b of the recess 15 is set to a limit thin enough to be molded
- the thickness a of the peripheral portion is set to a limit thin enough to maintain the strength of the top cover 14.
- FIG. 5A is a side cross-sectional view illustrating the imaging apparatus according to the second embodiment
- FIG. 5B is a perspective view of only the top cover of the imaging apparatus taken out and seen obliquely from below.
- FIGS. 5 (c) and 5 (d) are diagrams showing only the components different from those in the first embodiment and simply showing them for comparison.
- FIG. 5A is the same as the first embodiment shown in FIG. 2A except for a part of the configuration, and therefore only the portions necessary for the description are provided.
- the same components as those in FIG. 2A are given the same numbers as those in FIG. 2A, and the portions different from those in FIG. 2A are given new numbers.
- the imaging apparatus 35 of the present example has the distance measuring lens 25 shown in FIG. 2 (a) divided into upper and lower parts, and the upper lens unit 34 is a top cover.
- the lower aperture portion 37 is formed at the four corners 36 and arranged on the housing 13 side.
- the distance measuring lens 25 shown in FIG. 2A has a configuration in which the aperture portion 37 and the lens 34 are integrated.
- it is a functional part for setting the lens part entrance aperture of the light irradiated from the ranging LED 24 and incident on the lens part 34, and is not necessarily integrated with the lens part 34 as shown in FIG. .
- the aperture portion 37 is separated and arranged on the housing 13 side, and the lens portions 34 are formed at the four corners of the top cover 36 as shown in FIGS. 5 (a) and 5 (b). By doing so, the manufacturing efficiency of the lens portion 34 is increased, which can contribute to cost reduction.
- FIG. 6A is a side sectional view showing the image pickup apparatus according to the third embodiment
- FIG. 6B is a perspective view of only the top cover taken out and seen obliquely from the inner bottom. Note that the imaging apparatus 40 shown in FIG. 6A has the same configuration as the second embodiment shown in FIG.
- the imaging device 40 of this example has a top cover 41 in which the recess 15 of the top cover 36 shown in FIG. Instead of digging in a circle as in (b) and (b), a slope is formed from the upper circumferential portion of the recess 15 to the outside of the region through which the illumination emitted from the annular light guide 22 passes.
- the shape of the entire recess becomes the shape of the truncated cone 42 having the top circumference of the original recess 15 as the top.
- the digging recess as shown in FIG. 5 has a portion where the material is difficult to go around at the time of molding, and is generally difficult to form. Is easy to wrap around, and there is an advantage that molding problems are solved.
- the thickness of the imaging device is 6 mm.
- the thickness of the concave portion in the center of the inner surface of the top cover, the specification of the aspherical triplet lens of the imaging lens module, the thickness of the image sensor, and the chip parts It goes without saying that an imaging apparatus having a thickness of 6 mm or less can be realized by further reducing the thickness of the film.
- the thickness of the imaging device can be suppressed to 6 mm or less, and it is incorporated into a thin electronic device. The effect is that it becomes easy.
- the number of portable electronic devices that can be incorporated can be expanded, so that it is possible to provide personal authentication services to more users.
- the present invention can be used for a thin palm vein imaging device that can be incorporated into a thin electronic device.
Abstract
Description
[実施例1]
図1(a)は、実施例1に係る手のひら静脈撮像装置(以下、単に撮像装置という)が組み込まれたノート型パーソナルコンピュータを示す斜視図であり、図1(b)はその撮像装置の使用方法を示す図である。
このように、撮像装置9全体の総合の高さHが6.0mmであれば、相当薄手の電子機器に対しても組み込み可能となる。なお、筐体13の底部に保護板が無いが、チップ部品17の底面と筐体13の下端部との鉛直方向の間隙としてh=0.1mmを設けているので、電子機器側の部品と空間的に競合することはなく、不具合が生じることはない。
図5(a)は、実施例2に係る撮像装置を示す側断面図であり、図5(b)は その撮像装置のトップカバーのみを取り出して内側斜め下から見た斜視図であり、図5(c),(d)は、実施例1と異なる構成部分のみを取り出して比較のため簡略に示す図である。
図6(a)は実施例3に係る撮像装置を示す側断面図であり、図6(b)はそのトップカバーのみを取り出して内側斜め下から見た斜視図である。なお、図6(a)に示す撮像装置40は、図5(a)に示した実施例2とは一部を除いで他の構成は同一の構成である。
2 蓋
3 本体
4 液晶表示装置
5 キーボード
6 タッチパネル式ポインティングデバイス
7 左クリックボタン
8 右クリックボタン
9 手のひら静脈撮像装置(撮像装置)
10 使用者
11 手のひら
12 近赤外線
13 筐体
14 トップカバー
15 凹部
16 プリント基板
17 チップ部品
18 イメージセンサ
19 レンズモジュール
21 照明用LED
22 円環状導光体
23 受光素子
24 測距用LED
25 測距用レンズ
26 バンドパスフィルタ
27 マウント
28 鏡胴
29 第1のレンズ
31 絞り
32 第2のレンズ
33 第3のレンズ
34 レンズ部
35 撮像装置
36 トップカバー
37 アパチャ部
40 撮像装置
41 トップカバー
42 円錐台
Claims (7)
- 筒枠状の筐体と、
該筐体の内部において水平に保持されたプリント回路基板と、
該プリント回路基板の上面に搭載されたイメージセンサと撮像レンズモジュールからなる撮像系と、
該撮像系の前記撮像レンズモジュールを保護すべく前記筐体の上部開口を覆うトップカバーと、
を少なくとも備え、
該トップカバーは、内側上面の前記撮像レンズモジュールに対向する部分に周囲部分と比べて薄く形成された凹部を有し、
前記撮像レンズモジュールは、上部が前記凹部に入り込む形状で配置されている、
ことを特徴とする手のひら静脈撮像装置。 - 前記プリント回路基板は下面に少なくともCPUとメモリとを含む制御系を構成する複数のチップ部品を搭載され、
該チップ部品の底面と前記筐体の底部開口面との間に、前記筐体が組み込み先装置に組み込まれたとき、前記組み込み先装置の組み込み載置面に前記チップ部品が接触しない程度の間隙が形成されている、ことを特徴とする請求項1記載の手のひら静脈撮像装置。 - 前記プリント回路基板の四隅にはレンズ部とアパチャ部からなる測距用レンズモジュールが搭載されている、ことを特徴とする請求項1記載の手のひら静脈撮像装置。
- 前記測距用レンズモジュールの前記レンズ部は前記アパチャ部から切り離されて前記トップカバーと一体成型されている、ことを特徴とする請求項3記載の手のひら静脈撮像装置。
- 前記凹部は、円形に切り込まれた形状に形成されている、ことを特徴とする請求項1記載の手のひら静脈撮像装置。
- 前記凹部は、中央部の円形の水平面と該水平面の前記円形の周囲から四方の厚肉部に広がる斜面とからなる円錐台状に形成されている、ことを特徴とする請求項1記載の手のひら静脈撮像装置。
- 前記筐体の高さは5mm以下であり、前記トップカバーの周辺部の厚さは1mm以下である、ことを特徴とする請求項1記載の手のひら静脈撮像装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13881438.9A EP2982301A4 (en) | 2013-04-01 | 2013-04-01 | IMAGE CAPTURE DEVICE FOR PALMINE VEINS |
CN201380075160.6A CN105072998B (zh) | 2013-04-01 | 2013-04-01 | 手掌静脉摄像装置 |
PCT/JP2013/059828 WO2014162388A1 (ja) | 2013-04-01 | 2013-04-01 | 手のひら静脈撮像装置 |
JP2015509626A JP5952958B2 (ja) | 2013-04-01 | 2013-04-01 | 手のひら静脈撮像装置 |
US14/863,545 US20160014308A1 (en) | 2013-04-01 | 2015-09-24 | Palm vein imaging apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2013/059828 WO2014162388A1 (ja) | 2013-04-01 | 2013-04-01 | 手のひら静脈撮像装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/863,545 Continuation US20160014308A1 (en) | 2013-04-01 | 2015-09-24 | Palm vein imaging apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014162388A1 true WO2014162388A1 (ja) | 2014-10-09 |
Family
ID=51657722
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2013/059828 WO2014162388A1 (ja) | 2013-04-01 | 2013-04-01 | 手のひら静脈撮像装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20160014308A1 (ja) |
EP (1) | EP2982301A4 (ja) |
JP (1) | JP5952958B2 (ja) |
CN (1) | CN105072998B (ja) |
WO (1) | WO2014162388A1 (ja) |
Cited By (5)
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JP2016133965A (ja) * | 2015-01-19 | 2016-07-25 | ソニー株式会社 | 光検出装置及び光検出装置の製造方法 |
US10489629B1 (en) | 2018-02-06 | 2019-11-26 | Shenzhen GOODIX Technology Co., Ltd. | Under-screen biometric identification apparatus and electronic device |
EP3591578A1 (en) * | 2018-07-06 | 2020-01-08 | Shenzhen Goodix Technology Co., Ltd. | Under-screen biometric identification apparatus and electronic device |
TWI696859B (zh) * | 2018-06-27 | 2020-06-21 | 新鉅科技股份有限公司 | 薄型成像鏡片組 |
US10914883B2 (en) | 2016-06-15 | 2021-02-09 | Fujitsu Frontech Limited | Imaging apparatus including illuminating light guide with positioning features |
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Publication number | Priority date | Publication date | Assignee | Title |
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EP3006998B1 (en) * | 2013-06-05 | 2017-12-06 | Fujitsu Frontech Limited | Image pickup apparatus |
US10417473B2 (en) * | 2016-09-07 | 2019-09-17 | Mei-Yen Lee | Optical imaging system with variable light field for biometrics application |
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Also Published As
Publication number | Publication date |
---|---|
US20160014308A1 (en) | 2016-01-14 |
EP2982301A4 (en) | 2016-11-23 |
CN105072998A (zh) | 2015-11-18 |
CN105072998B (zh) | 2018-06-22 |
JPWO2014162388A1 (ja) | 2017-02-16 |
EP2982301A1 (en) | 2016-02-10 |
JP5952958B2 (ja) | 2016-07-13 |
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