• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    device for capturing iris images and user recognition device that adopts the same in order to control access. it is a device to capture an image of the iris and a user recognition device that adopts the same in order to control access. in accordance with an embodiment of the present invention, the device for capturing an image of the iris includes: a first light source corresponding to the left eye; a second light source corresponding to the right eye; a first conduit disposed adjacent the first light source to restrict the angle of illumination of the first light source; a second conduit disposed adjacent the second light source to restrict the angle of illumination of the second light source; a semi-mirror that transmits the light emitted from the first and second light sources in order to direct the light into the left and right eyes, where the semi-mirror reflects the images of the left and right eyes; and left/right cameras photographing the left and right eyes respectively in order to recognize the irises.
    公开号:BR112014020298B1
    申请号:R112014020298-2
    申请日:2013-02-15
    公开日:2021-08-03
    发明作者:Gil-Soo JUNG；You-Jung KIM
    申请人:Gil-Soo Jung；You-Jung Kim；
    IPC主号:
    专利说明:

    FIELD OF TECHNIQUE
    [001] The present invention relates to a device for capturing iris images and a user recognition device that makes use of this, both of which are used to control access to a location that requires identity verification or special permission , and, more particularly, the present invention relates to a device for capturing iris images and a user recognition device that makes use of one that guides a user to a position away from an appropriate iris recognition device. to capture images and then effectively capture iris images.
    [002] The present invention claims the benefit of the filing dates of Korean Patent Application No. 10-2012-0015641, filed on February 16, 2012, Korean Patent Application No. 10-2012-0040748, filed on 19 February April 2012, and Korean Patent Application No. 10-2012-0040750, filed April 19, 2012, and these are incorporated herein in their entirety by reference. FUNDAMENTALS OF THE TECHNIQUE
    [003] Given an increased interest in biometric recognition by the security market, this same market has expanded. The present invention belongs to the iris recognition sector of the biometric recognition field. Biometric recognition devices respond to various directions from which users approach them. However, since the directions from which users approach devices are significantly different and varied depending on the surroundings or the behavior of the users, it is substantially difficult to produce responses in all possible directions. Correspondingly, there is a need for a user guidance method and device that is able to improve the recognition rate without deterring users.
    [004] Devices for capturing iris images are devices that allow a light source to be reflected from a person's eyes intended for iris recognition and enter cameras, extract iris images from images of the eyes, compare the iris images with iris data previously stored in a database, and then identify the irises.
    [005] In this case, in order to capture accurate iris images, a user must be positioned in a precise position before an iris recognition device. That is, the iris recognition device can capture accurate iris images only if it has guided a user to a precise position at an appropriate distance away from the iris recognition device.
    [006] Iris recognition devices must capture images of users' irises through cameras. In order to capture images of a user's irises, a certain indicator is presented to a user and then the user is induced to position themselves in an appropriate position while looking at the indicator. Although there are several types of indicators that can be displayed, usually a single light source (an LED) is used as an indicator for iris recognition. Additionally, a semi-mirror is used to allow the user to determine if he is looking precisely at the indicator.
    [007] Figure 1 is a configuration diagram of a conventional device to capture iris images. In a conventional device 100 for capturing iris images, when one looks at a single indicator 101 through a semi-mirror 104, the user will see a virtual image in which the indicator is located between the two eyes. This conventional device 100 for capturing iris images operates without any problems for users having a slight difference in the field of view between the two eyes.
    [008] However, in case a user has a big difference in the field of view between his two eyes, he must move his face left and right in order to locate the virtual image of the pointer between the two eyes.
    [009] Figures 2 and 3 illustrate this phenomenon.
    [010] Figure 2 illustrates the case of a user having a good field of view in his left eye, and Figure 3 illustrates the case of a user having a good field of view in his right eye.
    [011] Referring to Figure 2, it can be seen that the user's left eye field of view is wider than the user's right eye field of view. In this case, when the user determines through the half-mirror 204a of an iris recognition device 200a that an LED indicator 201a is located between his two eyes, the LED indicator 201a may be in the state of being oriented to the left. in reality. In this case, the left and right cameras 203a and 202a of the iris recognition device 200a cannot accurately capture the user's two eyes.
    [012] Referring to Figure 3, it can be seen that the user's right eye field of view is wider than the user's left eye field of view. In this case, when the user determines through the half-mirror 204b of an iris recognition device 200b that an LED indicator 201b is located between its two eyes, the LED indicator 201b may be in the state of being oriented to the right. in reality. In this case, the left and right cameras 203b and 202b of the iris recognition device 200b cannot accurately capture the user's two eyes.
    [013] The phenomena of Figures 2 and 3 occur in the case of users having large differences in the field of view between their two eyes. So far, why the conventional device for capturing iris images does not work for these users cannot be determined. In real life, when a human being views an object in a specific position while covering only the left eye or only the right eye, it feels as if the object is moving from left to right or in the opposite direction. This phenomenon is the reason why the right camera cannot accurately capture an image of the right eye and the left camera cannot accurately capture an image of the left eye, as illustrated in Figures 2 and 3.
    [014] In addition to iris recognition, there are various user recognition methods, such as fingerprint recognition, recognition using a smart card, etc. The market for controlling access using user awareness has been opened and is continually expanding. This access control technology has been used not only in the armed forces and at airports to control entry and exit in security areas, but also in luxury apartments, prisons and gyms to manage entry and exit and absenteeism. and timeliness. PROBLEM DISCLOSURE OF THE TECHNIQUE
    [015] An objective of the present invention is to allow a device to capture iris images that belong to an iris recognition device to guide a user to a position that is optimal for capturing iris images, thus allowing images of the irises are effectively captured.
    [016] Another objective of the present invention is to allow even a user having a large difference in field of view between their two eyes to gradually approach an iris recognition device from a remote position and move in such a way that a single light source is situated between your two eyes at the moment when the two light sources seen through a semi-mirror are seen as a single light source, thus guiding the user to a position that is optimal for capturing iris images.
    [017] A further objective of the present invention is to appropriately limit the irradiation angles of light rays generated by two light sources so that the light rays generated by the two light sources are not mixed together to a position appropriate in order to guide a user to a position that is optimal for iris recognition.
    [018] Yet another objective of the present invention is to provide a user recognition device that is capable of recognizing a user by capturing the user's irises in an optimal position and then performing iris recognition by reading a user's smart card, or recognizing a user's fingerprint. TECHNICAL SOLUTION
    [019] In order to fulfill the above objectives, the present invention provides a device to capture iris images, including a first light source adapted to correspond to the left eye; a second light source adapted to match the right eye; a first conduit disposed close to the first light source, and configured to limit the angle of irradiation of the first light source; a second conduit disposed close to the second light source, and configured to limit the angle of radiation of the second light source; a semi-mirror configured to transmit the light emitted by the first and second light sources to radiate the left and right eyes, and also configured to reflect aspects of the left and right eyes; and left and right cameras set to capture left and right eyes to perform iris recognition.
    [020] In this case, the center of the semi-mirror can be located at the intermediate point between the first and second light sources.
    [021] In this case, the distance between the first and second light sources can be adjusted so that when a position of a user corresponding to the left and right eyes is at a preset distance from the semi-mirror, the user recognize the first and second light sources as a single light source.
    [022] In this case, the preset distance can range from 30 to 37 cm, and the distance between the first and second light sources can range from 1 to 3 cm.
    [023] In this case, the distance between each of the first and second light sources and the semi-mirror can vary from 2.5 to 4.5 cm.
    [024] The first and second ducts can be respective cylindrical tubes in close contact with the first and second light sources, and the side sections of the half-mirror of the cylindrical tubes can be formed at an oblique angle ranging from 60 at 80 degrees, thus significantly limiting the central lateral irradiation angle of the half-mirror compared to its external angle.
    [025] The first and second ducts can be arranged perpendicular to the extended direction of the half-mirror.
    [026] The first and second conduits may include respective threads formed inside the cylinders.
    [027] Additionally, in order to fulfill the above objectives, the present invention provides a user recognition device to control access, including an iris recognition unit configured to capture the left and right eyes and then recognize a user through iris recognition; a fingerprint recognition unit configured to recognize the user by recognizing a user's fingerprint; a smart card recognition unit configured to recognize the user by recognizing a user's smart card; and an LCD panel unit configured to receive data by recognizing one or more user touches and providing a user interface thereto.
    [028] In this case, the iris recognition unit may include a first light source adapted to correspond to the left eye; a second light source adapted to match the right eye; a first conduit disposed close to the first light source, and configured to limit the angle of irradiation of the first light source; a second conduit disposed close to the second light source, and configured to limit the angle of radiation of the second light source; a semi-mirror configured to transmit the light emitted by the first and second light sources to radiate the left and right eyes, and also configured to reflect aspects of the left and right eyes; and left and right cameras set to capture left and right eyes to perform iris recognition.
    [029] In this case, the iris recognition unit can be swiveled in ascending and descending directions so that the angle of view of each of the right and left cameras is in the range of 30 degrees in the upward direction and 30 degrees in the downward direction.
    [030] In this case, the center of the semi-mirror can be located at the intermediate point between the first and second light sources.
    [031] In this case, the distance between the first and second light sources can be adjusted so that when the user's position corresponding to the left and right eyes is a preset distance from the half-mirror, the user recognizes the first and second light sources as a single light source.
    [032] The preset distance can range from 30 to 37 cm, and the distance between the first and second light sources can range from 1 to 3 cm.
    [033] The distance between each of the first and second light sources and the semi-mirror can vary from 2.5 to 4.5 cm.
    [034] In this case, the first and second conduits can be respective cylindrical tubes in close contact with the first and second light sources, and the side sections of the semi-mirror of the cylindrical tubes are formed at an oblique angle ranging from 60 at 80 degrees, thus significantly limiting the central lateral irradiation angle of the semi-mirror compared to its external angle.
    [035] In this case, the first and second conduits can be arranged perpendicular to the extended direction of the semi-mirror.
    [036] In this case, the first and second conduits can include respective threads formed inside the cylinders. ADVANTAGEOUS EFFECTS OF THE INVENTION
    [037] According to the present invention, the problem of erroneous iris recognition that occurs in users having large differences in the field of view between their two eyes is overcome, thus improving the user's iris recognition rate.
    [038] Additionally, the time that a user can spend can be provided to be able to easily determine a position by means of a semi-mirror, due to the fact that the user approaches from a remote position while looking at two indicators, thus allowing the user to approach without being deterred or restless in a specific area.
    [039] Additionally, a user can assume a desired position by a device to capture iris images due to the fact that the user can approach the device without being deterred or restless while spending time, thus capturing iris images accurately and quickly.
    [040] In addition, the present invention performs a user authentication through the recognition of a user's iris, fingerprint or smart card, thus effectively performing an access control, such as absenteeism and lateness management. DESCRIPTION OF DRAWINGS
    [041] Figure 1 is a configuration diagram that illustrates the concept of a conventional device to capture iris images;
    [042] Figures 2 and 3 are other configuration diagrams that illustrate the concept of the conventional device to capture iris images;
    [043] Figures 4 and 5 are configuration diagrams that illustrate the concept related to iris recognition of a device for capturing iris images according to the present invention;
    [044] Figure 6 is a horizontal sectional view of a device for capturing iris images according to the present invention;
    [045] Figure 7 is a configuration diagram of the device to capture iris images according to the present invention;
    [046] Figure 8 is a front view of a user recognition device for access control according to the present invention;
    [047] Figure 9 is a configuration diagram of an access control system including user recognition devices for access control according to the present invention; and
    [048] Figure 10 is a diagram illustrating that the iris recognition unit of a user recognition device for access control according to the present invention is rotatable in ascending and descending directions. BEST WAY
    [049] The present invention will be described below in detail with reference to the attached drawings. Repeated and detailed descriptions of notorious functions and configurations that might make the essence of the present invention unnecessarily hidden will be omitted. Embodiments of the present invention are provided to fully describe it to individuals of ordinary skill in the art to which the present invention belongs. Correspondingly, formats, dimensions, etc. components in the drawings may be exaggerated to make the description obvious.
    [050] The present invention addresses a solution to the problems through the following three hypotheses based on the fact that a specific object moves from left to right or moves in the opposite direction when a human being looks at the object specific while covering only the left eye or only the right eye. First, two indicators are used. Second, in order to compensate for the distance over which the indicator light moves due to the difference in the field of view between the two eyes, the two indicators are arranged, parallel to a semi-mirror, in places that are a quarter of the distance of the half-mirror from the center of the half-mirror. Third, a setting is provided that allows only the left forefinger to be visible to the left eye and only the right forefinger to be visible to the right eye.
    [051] The illustrations of the three previous hypotheses are given in Figures 4 and 5. In Figures 4 and 5, the images of the two eyes that were outside the right and left camera view angles enter the right and left camera view angles . For example, in the case where a specific object moves from left to right or moves in the reverse direction when a human being looks at the specific object while covering only the left eye or only the right eye, when the human being looks at the specific object without covering either of its two eyes, the left eye has a wider field of view if the specific object is located on a left side, and the right eye has a wider field of view if the specific object is located on a right side. As described earlier, when a user having a large difference in field of view between their two eyes is guided to a close position while looking at the two indicators through the half-mirror, only one of the two indicators is visible to an eye having a wider field of view when the user reaches a specific position. This position corresponds to the viewing angle ranges for the left and right cameras, and the user's two eyes fall into the right and left camera view angles.
    [052] The device for capturing images according to the present invention includes left and right indicators, and cylindrical tubes disposed between the indicators and a semi-mirror and configured to transmit light in order to adjust the viewing angles of the indicators. In order to prevent light from escaping through the fixed portions of the indicators, it is preferred that the indicators remain completely in close contact with the cylindrical tubes. It is preferred that the cylindrical tube materials are opaque and absorb light. It is preferred that the inside of the cylindrical tubes be threaded and thus prevent the light from being refracted and scattered at the ends of the cylindrical tubes. It is preferred that the inner diameters of the cylindrical tubes are approximately equal to the inner diameters of the indicators. Since the indicators must be laterally aligned in relation to the semi-mirror, the cylindrical tubes are arranged perpendicular to the indicators and the semi-mirror. It is preferred that the interval between each of the indicators and the semi-mirror is in the range of 2.5 to 4.5 cm. In this case, in order to increase the viewing areas of the left and right indicators, it is preferred that the lateral sections of the semi-mirror of the cylindrical tubes are formed at an oblique angle ranging from 60 to 80 degrees, thus limiting , significantly the central lateral irradiation angle of the semi-mirror compared to its external angle.
    [053] 7-color LEDs can be employed for the indicators that are used in the present invention. In this case, an advantage arises in that several light source colors can be provided, and therefore the corresponding light source colors are displayed in several cases, such as the case where the user is guided to an area operation, the case in which the user is located excessively away from or close to the device to capture iris images, the case in which the user is located in the operating area, etc., thus allowing the user to recognize situations.
    [054] The device for capturing iris images according to the present invention can be configured as follows. The device for capturing iris images includes a semi-mirror configured to indicate to the user the situation of looking at the device that is used to capture iris images, two indicators, two cylindrical tubes configured to establish the viewing angles of the indicators , two camera control units configured to capture left and right iris images, a central camera control unit configured to obtain a distance and identify an object (face), a pointer control unit configured to operate the indicators , an image collection control unit configured to collect left and right iris images, and a USB control unit configured to transmit iris images to a PC, or the like.
    [055] The user recognition device for access control according to the present invention may include an LCD panel, a smart card recognition unit, and a fingerprint recognition unit. Along with these units, the user recognition device for access control may include an iris recognition unit including the device described above that serves to capture the iris images, thus enabling various types of user authentication. In this case, one user recognition device can be used as a recording device, and the other user recognition devices can be used as access control devices. User recognition devices connected in the manner described above can constitute an access control system that operates in conjunction with an access control unit and a computer.
    [056] Preferred embodiments according to the present invention are described in detail below with reference to the attached drawings.
    [057] Referring to Figures 4 and 5, when a user approaches a position in which two indicators are seen as a single indicator while seeing the two indicators 301a or 301b, and 305a or 305b and, for, then, positioned so that the single indicator focuses located between its two eyes, the images of the user's two eyes that were outside the viewing angles (indicated by the dotted lines) of the right and left cameras 302a or 302b, and 303a or 303b enters the view angles of the left and right cameras 302a or 302b, and 303a or 303b. In particular, when a user having a large difference in field of view between their two eyes is guided to a close position while viewing the two indicators 301a or 301b, and 305a or 305b through the half-mirror 304a or 304b, only the right indicator 305a or 305b or left indicator 301a or 301b of the two indicators 301a or 301b, and 305a or 305b is visible to one of the eyes having a wider field of view when the user reaches a specific position. This position corresponds to the viewing angle ranges of the right and left cameras 302a or 302b, and 303a or 303b, and the user's two eyes fall within the viewing angles of the right and left cameras 302a or 302b, and 303a or 303b.
    [058] Figure 6 is a schematic diagram of an apparatus 400 for capturing iris images in accordance with the present invention.
    [059] It is assumed that the interval between the centers of the two eyes of a common user is in the range of 7 to 9 cm and the distance X from a semi-mirror 405 to the user is in the range of 30 to 37 cm. The distance an object moves due to a difference in the field of view between the two eyes causes the two indicators 401 and 402 to be located, parallel to the half-mirror 405, at locations 0.5 to 1, 5 cm from the center of the half-mirror 405 left and right based on a ratio in which the ratio of the size of an object to the size of a mirror is equal to 1/2. In this case, if the distance between the two indicators 401 and 402 (in the claims, a first light source and a second light source) is longer or shorter, the two indicators 401 and 402 are seen as a single indicator before or after the user is positioned 30 to 37 cm away from the semi-mirror.
    [060] Preferably, LEDs are used as the two indicators 401 and 402 employed in the present invention. In order to adjust the viewing angle of each of the indicators 401 and 402, a cylindrical tube 403 or 404 (in claims, a first conduit or a second conduit) through which light passes is disposed between the indicator 401 or 402 and the half-mirror 405. In order to prevent light from escaping through the fixed portions of the indicators 401 and 402, it is preferred that the indicators 401 and 402 be in complete close contact with the cylindrical tubes 403 and 404. It is preferred that the cylindrical tube materials 403 and 404 are opaque and absorb light. It is preferred that the inside of the cylindrical tubes 403 and 404 be threaded and thus prevent the light from being refracted and scattered at the ends of the cylindrical tubes. It is preferred that the inner diameters of the cylindrical tubes 403 and 404 are approximately equal to the inner diameters of the gauges. Since the indicators 401 and 402 must be laterally aligned with respect to the half-mirror 405, the cylindrical tubes 403 and 404 are arranged perpendicular to the indicators and the half-mirror. It is preferred that the interval between each of the indicators 401 and 402 and the half-mirror 405 is in the range of 2.5 to 4.5 cm. In this case, in order to increase the viewing areas of the left and right indicators 401 and 402, it is preferred that the side sections of the semi-mirror of the cylindrical tubes 403 and 404 are formed at an oblique angle in the range of 60 at 80 degrees, thus considerably limiting the central lateral irradiation angle of the semi-mirror 405 compared to their external angles. Unless the central lateral irradiation angle of the semi-mirror is properly adjusted through the cylindrical tubes 403 and 404 as described above, the two indicators 401 and 402 are seen as a single indicator before or after the user reaches a position that stand at an appropriate distance from the half-mirror.
    [061] In order to overcome the problems that occur in users having large differences in the field of view between their two eyes, areas are allocated using two indicators 401 and 402 on the side of the device 400 to capture iris images. Additionally, without considering the difference in field of view between the two eyes, when a user approaches, the user is guided into an operating area from a remote position outside the operating area using the two indicators 401 and 402. user is guided to a nearby position while seeing the two indicators 401 and 402. When the user enters the operating area between the X and Y distances, only one of the two indicators 401 and 402 is visible to each of the user's eyeballs.
    [062] When a user sees only a single indicator, the left and right eyes are positioned at respective angles of view of the right and left cameras 406 and 407 of the device 400 to capture iris images, the image capture equipment iris image (not illustrated) captures images of the irises.
    [063] 7-color LEDs can be employed for the 401 and 402 indicators that are used in the present invention. In this case, an advantage arises in that the various light source colors can be provided, and therefore the corresponding light source colors are displayed in various cases, such as the case where the user is guided to an area of operation, the case in which the user is located excessively away from or close to apparatus 400 to capture iris images, the case in which the user is located in the operating area, etc., thus allowing the user to recognize situations.
    [064] A device for capturing iris images in accordance with the present invention may be configured as illustrated in Figure 7. The device for capturing iris images includes a half-mirror 505 configured to indicate the situation of looking at. the device used to capture user iris images, two indicators 501 and 502, two cylindrical tubes 503 and 504 configured to establish the viewing angles of the indicators, two camera control units 509 and 511 configured to capture left iris images and right, a central camera control unit 512 configured to obtain a distance through a central camera 508 and identify an object (face), an indicator control unit 510 configured to operate indicators 501 and 502, a control unit a 513 image collection device configured to collect the left and right iris images, and a USB control unit 514 configured to transmit the images. ens from the iris to a PC, or similar.
    [065] Figure 8 is a front view of a user recognition device for access control according to the present invention.
    [066] Referring to Figure 8, a user recognition device 600 for access control according to the present invention includes not only an iris recognition unit 601, but also an LCD panel unit 602, a unit of fingerprint recognition 603 and a smart card recognition unit 604.
    [067] The iris recognition unit 601 is formed by applying an iris recognition algorithm to the rear stage of the device to capture iris images illustrated in Figure 7. In this case, the iris recognition algorithm can be one of several methods known in the corresponding art field.
    [068] The fingerprint recognition unit 603 recognizes a user by recognizing a fingerprint of the user.
    [069] The smart card recognition unit 604 recognizes the user by recognizing a smart card from the user.
    [070] The LCD panel unit 602 receives data through recognition of user touches, and provides a user interface thereto.
    [071] In this case, the LCD panel unit 602 can be an additional service device that provides a keypad function, a current time display function, and a simple interface. For example, the LCD panel unit can be a product 5 inches (12.7 centimeters) or less, and can provide a touch function in four colors.
    [072] Figure 9 is a configuration diagram of an access control system including user recognition devices for access control according to the present invention.
    [073] As illustrated in Figure 9, a user recognition device 701 is used as a recording device and the other user recognition devices 702, 703, 704, 705,... are used as devices from user recognition to access control, thus building an access control system that operates in conjunction with an access control unit 710 and a computer 720.
    [074] Figure 10 is a diagram illustrating that the iris recognition unit of a user recognition device for access control according to the present invention is rotatable in ascending and descending directions.
    [075] As illustrated in Figure 10, a user recognition device 800 includes a stepper motor unit 801 and therefore allows the cameras to be rotated in the range of 30 degrees in an upward direction and 30 degrees in an upward direction. downward direction, thus making the angle of view of each of the right and left cameras of the iris recognition unit equal to 60 degrees.
    权利要求:
    Claims (10)
    [0001]
    1. Device for capturing iris images, CHARACTERIZED by the fact that it comprises: a first light source adapted to correspond to a left eye; a second light source adapted to match a right eye; a first conduit disposed close to the first light source, and configured to limit an angle of radiation from the first light source; a second conduit disposed close to the second light source, and configured to limit an angle of radiation from the second light source; a semi-mirror configured to transmit light emitted by the first and second light sources to radiate the left and right eyes, and also configured to reflect aspects of the left and right eyes; and left and right cameras configured to capture left and right eyes to perform iris recognition; wherein a half-mirror center is located at an intermediate point between the first and second light sources, wherein a distance between the first and second light sources is adjusted so that when a position of a user corresponding to left and right eyes is at a preset distance from the half-mirror, the user recognizes the first and second light sources as a single light source, and where the preset distance ranges from 30 to 37 cm, and the distance between the first and second light sources varies from 1 to 3 cm.
    [0002]
    2. Device according to claim 1, CHARACTERIZED by the fact that a distance between each of the first and second light sources and the semi-mirror varies from 2.5 to 4.5 cm.
    [0003]
    3. Device according to claim 2, CHARACTERIZED by the fact that the first and second conduits are respective cylindrical tubes in strict contact with the first and second light sources, and the side sections of the semi-mirror of the Cylindrical tubes are formed at an oblique angle ranging from 60 to 80 degrees, thus significantly limiting a central lateral radiation angle of the semi-mirror compared to an external angle thereof.
    [0004]
    4. Device according to claim 3, CHARACTERIZED by the fact that the first and second conduits are arranged perpendicular to an extended direction of the semi-mirror.
    [0005]
    5. Device according to claim 4, CHARACTERIZED by the fact that the first and second conduits comprise respective threads formed inside the cylinders.
    [0006]
    6. User recognition device for access control, CHARACTERIZED by the fact that it comprises: an iris recognition unit configured to capture the left and right eyes and then recognize a user through iris recognition; a fingerprint recognition unit configured to recognize the user by recognizing a user's fingerprint; a smart card recognition unit configured to recognize the user by recognizing a user's smart card; and an LCD panel unit configured to receive data upon recognition of one or more user touches and provide a user interface to the user; wherein the iris recognition unit comprises: a first light source adapted to match the left eye; a second light source adapted to match the right eye; a first conduit disposed close to the first light source, and configured to limit an angle of radiation from the first light source; a second conduit disposed close to the second light source, and configured to limit an angle of radiation from the second light source; a semi-mirror configured to transmit the light emitted by the first and second light sources to radiate the left and right eyes, and also configured to reflect aspects of the left and right eyes; and left and right cameras configured to capture the left and right eyes to perform iris recognition, in which the iris recognition unit is swivel in up and down directions so that an angle of view of each one of the right and left cameras is in a range of 30 degrees in the upward direction and 30 degrees in the downward direction, whereby a distance between the first and second light sources is adjusted so that when a user's position matches the left and right eyes is at a preset distance from the semi-mirror, the user recognizes the first and second light sources as a single light source, and where the preset distance ranges from 30 to 37 cm, and the distance between the first and second light sources varies from 1 to 3 cm.
    [0007]
    7. User recognition device, according to claim 6, CHARACTERIZED by the fact that a distance between each of the first and second light sources and the semi-mirror varies from 2.5 to 4.5 cm.
    [0008]
    8. User recognition device according to claim 7, CHARACTERIZED by the fact that the first and second conduits are respective cylindrical tubes in strict contact with the first and second light sources, and the side sections of the Semi-mirror cylindrical tubes are formed at an oblique angle ranging from 60 to 80 degrees, thus significantly limiting a central lateral radiation angle of the semi-mirror compared to an external angle thereof.
    [0009]
    9. User recognition device, according to claim 8, CHARACTERIZED by the fact that the first and second conduits are arranged perpendicular to an extended direction of the half-mirror.
    [0010]
    10. User recognition device, according to claim 9, CHARACTERIZED by the fact that the first and second conduits comprise respective threads formed inside the cylinders.
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    CN203133887U|2013-08-14|
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    KR20130094670A|2013-08-26|
    KR101500940B1|2015-03-10|
    KR20130094669A|2013-08-26|
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    法律状态:
    2018-12-04| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-12-31| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2021-06-15| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-08-03| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 15/02/2013, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    KR20120015641|2012-02-16|
    KR10-2012-0015641|2012-02-16|
    KR10-2012­0040750|2012-04-19|
    KR10-2012-0040748|2012-04-19|
    KR1020120040748A|KR101158501B1|2012-02-16|2012-04-19|Iris image capture device|
    KR1020120040750A|KR101158502B1|2012-02-16|2012-04-19|User recognition device for access control|
    PCT/KR2013/001192|WO2013122414A1|2012-02-16|2013-02-15|Device for capturing image of iris and user recognition device applying same in order to control access|
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