CN1760890A - Imaging apparatus and personal identification device - Google Patents
Imaging apparatus and personal identification device Download PDFInfo
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- CN1760890A CN1760890A CNA2005101087357A CN200510108735A CN1760890A CN 1760890 A CN1760890 A CN 1760890A CN A2005101087357 A CNA2005101087357 A CN A2005101087357A CN 200510108735 A CN200510108735 A CN 200510108735A CN 1760890 A CN1760890 A CN 1760890A
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- finger
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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
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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
- G06V40/12—Fingerprints or palmprints
- G06V40/1341—Sensing with light passing through the finger
-
- 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
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- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Image Input (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention provides a shape of an personal identification device capable of easily executing authentication to fingers of both left and right hands and attaining the identification accuracy of a high practical level in personal identification utilizing the vein images of the fingers. The individual authentication device is provided with a case where the bulb of one finger can be placed downwards, a light source part for generating transmission light to the finger from the side face, an interference filter part light transmissive to an optional wavelength, an imaging part for picking up images through a mirror for the transmission light transmitted through the interference filter part, and an image processing part for the vein image data of the finger outputted from the imaging part.
Description
Technical field
The present invention relates to carry out the device of living body authentication, relate in particular to utilize and refer to that the vein image data carry out personal authentication or definite device.
Background technology
Utilize people's biological information to carry out personal authentication's device, can exemplify the device of information (data) such as utilizing fingerprint or iris, wherein utilize the finger vena identification technology of vein image of the finger interior that is positioned at the people noticeable.Utilize this to refer to that the vein image data carry out personal authentication's method patent documentation 1 is arranged, disclose a kind of person authentication device, comprising: housing, being provided with can be with the fingerprint of a finger to the insertion section of inserting below; Light source portion, to above-mentioned finger from it face produce transmitted light; Interference filter portion has transmitance to any wavelength; Image pickup part is taken the transmitted light that has seen through this interference filter; And image processing part, make the contrast data, these data can contrast the vein image data from the above-mentioned finger of this image pickup part output with the view data of storing in advance.
And, the localization method that authentication object is promptly pointed is, the authentication object finger is inserted into the insertion section, enter the degree of depth and make finger front end and finger locating portion butt, left and right directions refers to that by top the root location division leads, the left rotation and right rotation of finger be by the visual centrally aligned that makes nail be arranged on can be visual locational warning triangle.
[patent documentation 1] TOHKEMY 2004-049705 communique
The problem of above-mentioned patent documentation 1 is, because in the top of identifying object finger configuration light source portion, so the height of framework uprises, makes device to maximize.And light source portion covers the insertion section, so the user cannot see inner insertion section and feels uneasy for pointing insertion.And, have following shortcoming: prevent the rotation of the left and right directions pointed by visual aligning warning triangle,, can not obtain the good finger vein image data of repeatability, so personal authentication's precision reduces so produce error.
Summary of the invention
The objective of the invention is to, solve any of above-mentioned problem, for example, a kind of finger vein authentication apparatus is provided, finger and the contrast of the data of storage in advance, finger for arbitrary the hand in the left and right sides all can easily be set, and can obtain the finger vein image of high repeatability (or high authentication precision), and provides a kind of can providing to client to feel at ease to feel and small-sized finger vein authentication apparatus.
The present invention is a kind of camera head and person authentication device, it is characterized in that, has: housing, be provided with unlimited finger placement section, and this placement section can make the outside of belly of finger place downwards; Light source portion produces transmitted light to above-mentioned finger from two sides; Interference filter portion only has transmitance to any wavelength; And image pickup part, take the transmitted light that sees through interference filter portion; And, will contrast from the finger vein image data of the above-mentioned finger of image pickup part output view data with storage in advance.
And the placement section of finger has: limit the front position of above-mentioned finger finger front end guide part, the restriction above-mentioned finger position, the left and right sides left and right sides guide part and limit the above-mentioned finger guide part of the rotation of direction to the left and right.Preferably, interference filter portion will separate with other light from the above-mentioned transmitted light that light source portion is sent; Moreover, preferably point the front end guide part and be configured to, make above-mentioned finger length direction middle body promptly from 2 joints, the 1st joint to the be positioned at interference filter portion directly over.And, owing to take and the approaching vein of finger veutro, be provided with and make finger from the finger support portion that interference filter portion suspends, be used to prevent that the finger abdomen of pointing from contacting with interference filter portion that vein is out of shape.
Promptly, the skew of the skew of the finger long axis direction when preventing from the finger placement section of authenticate device to place finger, finger short-axis direction (finger about wasteful partially), be the rotation skew, wasteful partially of axle with the position of the vein image image pickup part of pointing with the finger major axis, need make the shooting face of each finger identical, and improve the repeatability that refers to the vein data read.Therefore, in order to prevent to point the skew of long axis direction, the wall that connects with the finger front end is set in the inside of finger placement section; In order to prevent to point the skew of short-axis direction, the wall that connects with the two sides of pointing is set; In order to prevent that with the finger major axis be the rotation of axle, the palm guide part that the rotation to palm limits is set.
Especially preventing that with the finger major axis be the method for the rotation of axle, only support a finger and also be difficult to prevent rotation, even support a plurality of fingers simultaneously, is the sense of rotation rotation of axle if make palm with the finger major axis, then also interlock rotation together of finger.That is, this rotation of finger is not to solve by only supporting to point but by the supporting palm it is not rotated.And the face of supporting palm also can support whole palm, if but the rotation of finger then can be limited in the joint of supporting simultaneously a plurality of finger roots adjacent with the joint of the finger root of taking in the plane.
The invention effect
If adopt the present invention, in the personal authentication of the vein image that utilizes finger, finger and the contrast of the data of storage in advance, for the finger of arbitrary the hand in the left and right sides all can be easily in set positions accurately.And, obtain the finger vein image with high repeatability, can provide authentication precision high person authentication device.
Description of drawings
Fig. 1 is the stereoscopic figure of person authentication device;
Fig. 2 is placed on the sectional view of watching image pickup part under the state on the person authentication device of Fig. 1 from the front side with finger;
Fig. 3 is placed under the state on the person authentication device of Fig. 1 finger from laterally watching the sectional view of image pickup part;
Fig. 4 is the outside drawing of another embodiment of expression person authentication device;
Fig. 5 is the outside drawing of another embodiment of expression person authentication device.
Embodiment
Embodiments of the present invention below are described.
(embodiment 1)
Fig. 1 is the outward appearance oblique view of person authentication device, Fig. 2 is placed on the sectional view of watching image pickup part under the state on the person authentication device of Fig. 1 from the front side with finger, and Fig. 3 is placed under the state on the person authentication device of Fig. 1 finger from laterally watching the sectional view of image pickup part.And, preferably dispose this person authentication device on the next door of operating surface, the especially contact type panel of the cash banding machine (ATM) of the transaction of depositing and withdrawing that is arranged at financial institution etc., also use or the replacement password with password, and, preferably be arranged in the finance business hall, use in the mode of carrying out the personal authentication.Moreover, in following example, having control part, this control part carries out Flame Image Process, contrasts with listed personal data the captured finger vein image data of person authentication device.This control part can be arranged on outside this device, as long as can take the vein image data of finger, so also abbreviate camera head as.
As shown in Figure 1, person authentication device covers with upper shell 1 and lower house 2 and carries the device class, light resource installing section 3 from upper shell 1 about 2 outstanding, promptly a pair of outstanding from upper shell 1 towards the top.And the light source irradiation window 4 of light resource installing section 3 is opened, and makes that left and right sides both sides are mutually opposed.As shown in the figure, upper shell 1 opens wide, and the outside of belly of finger is placed downwards, so, to compare with the mode of in some position, inserting finger, user's uneasiness is few.Have interference filter 5 on by the face of light resource installing section 3 clampings, interference filter 5 is only can see through near infrared glass or resinous thin slice.The finger root supporting guides 6 of carrier finger root is positioned at the front of interference filter 5; Be positioned at the inboard of interference filter with the finger tip supporting guides 8 of the front end of the finger finger tip locating guider (referring to the front end guide part) 7 that connects of front end and supporting finger, the palm supporting guides 9 of supporting palm is positioned at the previous section of upper shell 1.And guides 6,8,9 integrates the rotation of finger and to the left and right/and the displacement of fore-and-aft direction etc. controls, and therefore is also referred to as restriction finger guide part (also can abbreviate guide part as).
The laying method of finger connects the front end of middle finger and finger tip locating guider 7 shown in two dot-and-dash lines, is placed on finger tip supporting guides 8 and refers to that root supports on the guides 6.On the other hand, not the forefinger and the nameless outside that is placed on light resource installing section 3 of authentication object, palm is stretched out and is placed on the palm supporting guides 9.That is, the finger except that authentication object is placed on finger placement section that is authenticated by light source jut 3 and the housing face that is blocked.Like this, adopt to make a pair of light resource installing section 3 become elongated shape along the finger length direction, so, can authenticate the middle finger of pointing with forefinger and nameless firmly fixing.Finger tip locating guider 7 is for the position of the length direction (fore-and-aft direction) that limits the authentication object middle finger, refers to that root supporting guide part 6 and finger tip supporting guide part 8 are provided with the pit (recess) of R shape according to the diameter of finger, be used to limit finger about wasteful partially.Moreover each guides 6 and 7 yet has the function that middle finger is floated, to prevent referring to that abdomen contacts with interference filter 5.The authentication object middle finger utilizes this each guides to limit all around, and still, only there is instability a little in the restriction finger.That is, make palm to the left and right direction tilt to place under the situation of middle finger, middle finger can rotate at left and right directions, so, palm is placed on the palm supporting guides 9 of supporting palm, palm is not tilted on left and right directions.Palm supporting guides 9 also can form the broad area that can support whole palmar aspect, but for operator, as shown in this figure preferably along thin with the perpendicular direction of light resource installing section 3 and along laterally long with sensation of not wanting to contact other people contacted article.And, in Fig. 1, middle finger is pointed as authentication object, but so long as the finger, then about all fingers can point as authentication object.
Below, as shown in Figures 2 and 3, the inner structure of device is: at first, insulated LED substrate 10 has been carried in the inside of a pair of light resource installing section 3 about the authentication object finger, and this substrate is mounted to row with a plurality of light source leds (light emitting diode) 11.By the light of light source irradiation window 4, from the just laterally irradiation of identifying object finger from light source led 11 irradiations.Specifically, as illustrated in fig. 1 with 1st joint to the 2 joints of this light source irradiation to the length direction of finger.Light source is positioned at the height that equates of centre-height with finger, and irradiated light 11 is in the internal reflection of finger, and to the outside outgoing of pointing.That is, light source site is pointed irradiates light from the transverse direction of identifying object finger towards identifying object in the both sides of finger placement section (Reference numeral 6,7,8).The a plurality of light emitting diodes 11 that on insulated substrate 10, have into row, at least with the 1st joint of finger and the 2nd joint between corresponding and be configured to uniformly-spaced.And, when light source portion is the position of the trying one's best high irradiation transmitted light of transverse direction from pointing with respect to identifying object, the reflection on the finger abdomen surface of finger is few, catch the shooting of vein more brightly, so, the housing 3 of both sides of finger placement section has and is used for built-in light source portion and outstanding light source jut (above upper shell 1 upward to projection), being shaped as of this light source jut 3 enters the authentication object finger and is adjacent between the finger, also has the authentication object finger and points the function that does not overlap with other.
From finger refer to the light that veutro comes out (to the diagram lower side to light) see through and only see through near infrared interference filter 5, change directions with catoptron 12, take with video camera (image pickup part) 13.That is, interference filter portion only makes following near infrared ray see through, this near infrared ray be transmitted light from light source portion irradiation after the finger interior irregular reference, refer to the near infrared ray of any wavelength of the transmitted light that veutro comes out from finger.Near infrared ray is absorbed by the haemoglobin in the blood easily, so, be taken into the vein dimness, bright beyond the vein.Because the haemoglobin that exists in the blood has the effect of absorption near infrared ray,, shine brightly beyond the blood vessel so blood vessel shines dimly.Control part 14 synthesizes camera data and refers to the vein image data.That is, the right side and the left finger venous image data of shining the finger that obtains by pair of right and left LED are carried out editing and processing, form one and refer to the vein image data, contrast with the listed data of logining in advance.Listed data also can be stored in bank card (medium) inside that the user has, perhaps be stored in the storage part of transaction systems such as cash automatic access device or business hall terminal or host computer/server, can receive these logon data by control part 14, contrast with camera data.And, can be following mode: in this contrast function of this device outer setting, camera data is sent to this device outside, externally contrast by control part 14.On the terminal that connects with connection aerial lug 19, show results of comparison.And the situation that image pickup part 13 will be placed behind the authentication object finger compares, detects with placing image before, automatically begins vein and takes.Because do not need to push the action of the hand switch that begins to take, so the authentication object finger does not move.Like this, only be used in the action of placing finger on the authenticate device and can suppress offset/rotation skew, can obtain the good finger vein image data of repeatability.
By adopting above architectural feature, authentication object person's authentication object finger can be connected with the innermost finger front end guide part 7 that is positioned at the finger placement section, and be placed in the finger support portion 6,8 etc., and palm is placed on the palm guide part 9.Thus, can suppress before and after/about offset, with the finger major axis be the rotation of axle be offset and with the ranging offset of image pickup part 13.
Moreover the plane hull shape of the present invention for opening wide so determine the restriction of finger, therefore, for which finger of hand about no matter all can be pointed as authentication object.
Fig. 4 is the different example of light resource installing section 3 of shape and Fig. 1 of light resource installing section 20.The authentication object finger is similarly placed with Fig. 1, the finger adjacent with the authentication object finger is placed on the light resource installing section 20, under the short situation of operator's finger, there is the situation of the finger fork that the light resource installing section 3 by Fig. 1 causes, therefore can prevent this phenomenon.But if light resource installing section 20 supports differential excessive that guides 6 forms with referring to root on short transverse, then the root of authentication object finger floats from referring to root supporting guides 6, so preferably be provided with 21.
(the 3rd embodiment)
Fig. 5 makes the palm supporting guides 9 of Fig. 1 near finger, shortens the example that enters the degree of depth of device.Control part 24 also can be installed in the device small-sizedly, perhaps as shown in the figure, can form other peripheral hardware control part 24 by junction cable 23.Support at palm under the situations of guides 22 approaching fingers, separate 3 supportings referring to interradicular space, so, effective to the rotation that limits the left and right directions of pointing.
Claims (9)
1. camera head is characterized in that having:
Housing is provided with the position that the finger outside of belly is placed downwards;
A pair of jut is from above-mentioned surface of shell projection and leave predetermined space configuration;
Light source portion, to the above-mentioned finger between the above-mentioned jut from its side-irradiation light;
Interference filter portion is configured between the above-mentioned jut and on the above-mentioned surface of shell, and any wavelength of light is had transmitance; And
Image pickup part is configured in the bottom of above-mentioned interference optical filter portion, and takes the transmitted light that has seen through above-mentioned interference optical filter portion.
2. camera head as claimed in claim 1 is characterized in that, has the control part of handling from the vein image data of the above-mentioned finger of above-mentioned image pickup part output.
3. camera head as claimed in claim 1 is characterized in that, between above-mentioned jut and above-mentioned surface of shell have the guide part that moves of restriction finger.
4. camera head as claimed in claim 3 is characterized in that, above-mentioned guide part comprises: the finger front end guides of restriction finger front end and near the finger limit guides of depression that limit, that have R shape finger front end or the root.
5. camera head as claimed in claim 3 is characterized in that: above-mentioned guide part is outstanding from above-mentioned surface of shell, makes to be provided with the space between above-mentioned interference optical filter portion and above-mentioned finger.
6. camera head as claimed in claim 1 is characterized in that: have on the above-mentioned surface of shell be arranged on the perpendicular direction of above-mentioned jut on palm supporting guides.
7. camera head as claimed in claim 1 is characterized in that: a plurality of light emitting diodes that above-mentioned light source portion will be configured in the inside of above-mentioned jut and send near infrared light are configured to row on substrate.
8. person authentication device is characterized in that having:
Housing is provided with the position that the finger outside of belly is placed downwards;
A pair of jut, from above-mentioned surface of shell upward to projection and leave predetermined space configuration;
Light source portion is to being placed on above-mentioned finger between the above-mentioned jut from its side and the two sides irradiates light;
Interference filter portion is configured between the above-mentioned jut and on the above-mentioned surface of shell, and any wavelength of light is had transmitance; And
Image pickup part is configured in the bottom of above-mentioned interference optical filter, and takes the transmitted light that has seen through above-mentioned interference optical filter portion;
To contrast by above-mentioned image pickup part finger vein image data of taking and the finger vein image data of logining in advance.
9. person authentication device as claimed in claim 8 is characterized in that: above-mentioned jut is an elongated shape along the length direction of above-mentioned finger.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP285637/2004 | 2004-09-30 | ||
| JP2004285637A JP2006099493A (en) | 2004-09-30 | 2004-09-30 | Image pickup device or individual authentication device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1760890A true CN1760890A (en) | 2006-04-19 |
| CN100351850C CN100351850C (en) | 2007-11-28 |
Family
ID=36239230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101087357A Expired - Fee Related CN100351850C (en) | 2004-09-30 | 2005-09-29 | Imaging apparatus and personal identification device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2006099493A (en) |
| KR (1) | KR100746194B1 (en) |
| CN (1) | CN100351850C (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101334841A (en) * | 2007-06-28 | 2008-12-31 | 株式会社日立制作所 | Finger vein authentication unit and information processing unit |
| CN101640706A (en) * | 2008-07-29 | 2010-02-03 | 日立麦克赛尔株式会社 | Image pickup device having display function and mobile communication terminal |
| CN101884539A (en) * | 2009-05-11 | 2010-11-17 | 北京超思电子技术有限责任公司 | Finger clip blood oximeter having projections in finger hole |
| CN101097599B (en) * | 2006-06-26 | 2010-12-01 | 日立欧姆龙金融***有限公司 | Biometrics device |
| CN101059886B (en) * | 2006-04-20 | 2011-08-03 | 冲电气工业株式会社 | Automatic bargaining device |
| US8244006B2 (en) | 2007-10-03 | 2012-08-14 | Hitachi Media Electronics Co., Ltd. | Finger vein image inputting device and apparatus using the same |
| CN102885628A (en) * | 2011-07-22 | 2013-01-23 | 青岛文达通科技股份有限公司 | Novel vein acquisition device |
| CN101582115B (en) * | 2008-05-13 | 2013-03-27 | 索尼株式会社 | Authentication apparatus, authentication method, registration apparatus and registration method |
| CN103294995A (en) * | 2008-01-21 | 2013-09-11 | 日本电气株式会社 | Imaging apparatus and method for authentication of user |
| CN101604391B (en) * | 2008-06-12 | 2013-10-02 | 日本电气株式会社 | Biological feature input device and biological feature input method |
| CN103400104A (en) * | 2006-09-07 | 2013-11-20 | 株式会社日立制作所 | Personal identification apparatus |
| CN108780563A (en) * | 2016-06-06 | 2018-11-09 | 株式会社日立制作所 | Organism authentication apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4579095B2 (en) * | 2005-08-25 | 2010-11-10 | 株式会社日立情報制御ソリューションズ | Personal authentication device |
| JP4621164B2 (en) * | 2006-04-20 | 2011-01-26 | 株式会社日立情報制御ソリューションズ | Biometric authentication apparatus and method, in particular, transparent finger vein authentication apparatus and method |
| JP4872539B2 (en) * | 2006-08-29 | 2012-02-08 | 沖電気工業株式会社 | Biometric information registration device |
| JP4212614B2 (en) | 2006-09-25 | 2009-01-21 | 株式会社日立製作所 | Finger vein pattern input device |
| JP4845663B2 (en) * | 2006-09-29 | 2011-12-28 | 日立オムロンターミナルソリューションズ株式会社 | Biometric authentication device |
| JP4861157B2 (en) * | 2006-12-22 | 2012-01-25 | 美和ロック株式会社 | Finger vein authentication device |
| JP4604074B2 (en) | 2007-10-09 | 2010-12-22 | 日立オートモティブシステムズ株式会社 | Finger vein authentication apparatus and method |
| JP5151396B2 (en) * | 2007-10-29 | 2013-02-27 | 株式会社日立製作所 | Finger vein authentication device |
| JP4957514B2 (en) | 2007-11-12 | 2012-06-20 | 富士通株式会社 | GUIDE DEVICE, IMAGING DEVICE, IMAGING SYSTEM, GUIDING METHOD |
| JP2009201918A (en) * | 2008-02-29 | 2009-09-10 | Seiko Instruments Inc | Pulse wave detecting device |
| KR101125520B1 (en) * | 2009-12-30 | 2012-03-22 | 한국기술교육대학교 산학협력단 | Apparatus and control method for identification of vein pattern image |
| JP6576614B2 (en) * | 2013-12-10 | 2019-09-18 | バイオニクス株式会社 | Finger angiography device |
| JP6071967B2 (en) * | 2014-09-25 | 2017-02-01 | 株式会社 日立産業制御ソリューションズ | Blood vessel imaging device |
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- 2004-09-30 JP JP2004285637A patent/JP2006099493A/en active Pending
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- 2005-09-29 CN CNB2005101087357A patent/CN100351850C/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101059886B (en) * | 2006-04-20 | 2011-08-03 | 冲电气工业株式会社 | Automatic bargaining device |
| CN101097599B (en) * | 2006-06-26 | 2010-12-01 | 日立欧姆龙金融***有限公司 | Biometrics device |
| CN103400104A (en) * | 2006-09-07 | 2013-11-20 | 株式会社日立制作所 | Personal identification apparatus |
| CN103400104B (en) * | 2006-09-07 | 2017-08-01 | 株式会社日立制作所 | Person authentication device |
| CN101334841A (en) * | 2007-06-28 | 2008-12-31 | 株式会社日立制作所 | Finger vein authentication unit and information processing unit |
| CN101334841B (en) * | 2007-06-28 | 2013-07-10 | 株式会社日立制作所 | Finger vein authentication unit and information processing unit |
| US8244006B2 (en) | 2007-10-03 | 2012-08-14 | Hitachi Media Electronics Co., Ltd. | Finger vein image inputting device and apparatus using the same |
| CN103294995A (en) * | 2008-01-21 | 2013-09-11 | 日本电气株式会社 | Imaging apparatus and method for authentication of user |
| CN101582115B (en) * | 2008-05-13 | 2013-03-27 | 索尼株式会社 | Authentication apparatus, authentication method, registration apparatus and registration method |
| CN101604391B (en) * | 2008-06-12 | 2013-10-02 | 日本电气株式会社 | Biological feature input device and biological feature input method |
| CN101640706A (en) * | 2008-07-29 | 2010-02-03 | 日立麦克赛尔株式会社 | Image pickup device having display function and mobile communication terminal |
| WO2010130115A1 (en) * | 2009-05-11 | 2010-11-18 | 北京超思电子技术有限责任公司 | Finger clamping type oximeter |
| CN101884539A (en) * | 2009-05-11 | 2010-11-17 | 北京超思电子技术有限责任公司 | Finger clip blood oximeter having projections in finger hole |
| CN102885628A (en) * | 2011-07-22 | 2013-01-23 | 青岛文达通科技股份有限公司 | Novel vein acquisition device |
| CN108780563A (en) * | 2016-06-06 | 2018-11-09 | 株式会社日立制作所 | Organism authentication apparatus |
| CN108780563B (en) * | 2016-06-06 | 2022-05-10 | 株式会社日立制作所 | Biometric authentication device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100351850C (en) | 2007-11-28 |
| JP2006099493A (en) | 2006-04-13 |
| KR20060051655A (en) | 2006-05-19 |
| KR100746194B1 (en) | 2007-08-06 |
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