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61. 发明申请

WO2016190803A1 METHOD AND FINGERPRINT SENSING SYSTEM FOR FORMING A FINGERPRINT REPRESENTATION 审中-公开
标题翻译：用于形成指纹表示的方法和指纹感测系统
公开(公告)号：WO2016190803A1
公开(公告)日：2016-12-01
申请号：PCT/SE2016/050481
申请日：2016-05-24
申请人： FINGERPRINT CARDS AB
发明人： WEBER, Sebastian , THÖRNBLOM, Hans
IPC分类号： G06K9/00
CPC分类号： G06K9/00026
摘要： The present invention generally relates to a method for forming a fingerprint using a fingerprint sensing system, and specifically to the possibility of allowing the formation of a fingerprint when only separated portions of the fingerprint is available. The invention also relates to the corresponding fingerprint sensing system and to a computer program product.
摘要翻译：本发明一般涉及一种使用指纹感测系统形成指纹的方法，具体涉及当只有指纹的分离部分可用时允许形成指纹的可能性。本发明还涉及相应的指纹感测系统和计算机程序产品。

62. 发明申请

WO2016163934A1 FINGERPRINT SENSOR WITH PROTECTIVE FILM AND AN ELECTRICAL CONDUCTIVE PATTERN 审中-公开
标题翻译：带保护膜和导电图案的指纹传感器
公开(公告)号：WO2016163934A1
公开(公告)日：2016-10-13
申请号：PCT/SE2016/050280
申请日：2016-04-05
申请人： FINGERPRINT CARDS AB
发明人： NILSSON, Henrik
IPC分类号： G06K9/00 , G06F3/044 , H05K1/02
CPC分类号： G06K9/0002 , G06K9/00053 , G06K9/036 , G06K9/3216
摘要： The present invention relates to an electronic device comprising a capacitive fingerprint sensor having a fingerprint sensing surface forming part of an exterior surface of the electronic device; a protective film arranged on the exterior surface of the electronic device comprising the fingerprint sensing surface; wherein the protective film is arranged to at least partially cover the fingerprint sensing surface; and wherein the protective film comprises an electrically conductive pattern covering the fingerprint sensing surface, the electrically conductive pattern being configured to enable verification of a functionality of the fingerprint sensor. The invention also relates to a method of manufacturing an electronic device comprising a fingerprint sensor, and to a method of verifying a functionality of a fingerprint sensor.
摘要翻译：电子设备技术领域本发明涉及一种电子设备，其包括电容指纹传感器，其具有构成电子设备的外表面的一部分的指纹感测表面; 保护膜，布置在包括指纹感测表面的电子设备的外表面上; 其中所述保护膜被布置成至少部分地覆盖所述指纹感测表面; 并且其中所述保护膜包括覆盖所述指纹感测表面的导电图案，所述导电图案被配置为能够验证所述指纹传感器的功能。本发明还涉及一种制造包括指纹传感器的电子设备的方法以及验证指纹传感器功能的方法。

63. 发明申请

WO2016144234A2 METHOD AND SYSTEM FOR ESTIMATING FINGER MOVEMENT 审中-公开
标题翻译：用于估计手指运动的方法和系统
公开(公告)号：WO2016144234A2
公开(公告)日：2016-09-15
申请号：PCT/SE2016/050165
申请日：2016-03-02
申请人： FINGERPRINT CARDS AB
发明人： THÖRNBLOM, Hans , SETTERBERG, Eric
IPC分类号： G06F3/033
CPC分类号： G06K9/00087 , G06F3/03547 , G06F3/0383 , G06F2203/0338 , G06K9/00006
摘要： The present invention relates to a method of estimating a finger movement direction of a finger, comprising the steps of: a) acquiring a reference fingerprint image; b) acquiring at least one candidate fingerprint image at each acquisition time in a time sequence of acquisition times; c) determining, for each of the acquisition times, a match parameter value for each of a plurality of candidate finger movement directions, the match parameter value being indicative of a correlation between a reference fingerprint image portion and a candidate fingerprint image portion corresponding to displacement in the candidate finger movement direction; d) determining, for each of the candidate finger movement directions, a local extremum match parameter value indicating a maximum correlation for the time sequence of acquisition times; and e) estimating the finger movement based on an evaluation of the determined local extremum match parameters.
摘要翻译：本发明涉及一种估计手指的手指移动方向的方法，包括以下步骤：a）获取参考指纹图像; b）在获取时间的时间序列中在每个获取时间获取至少一个候选指纹图像; c）为每个获取时间确定针对多个候选手指移动方向中的每一个的匹配参数值，所述匹配参数值指示参考指纹图像部分与对应于位移的候选指纹图像部分之间的相关性在候选手指移动方向; d）针对每个候选手指移动方向，确定指示获取时间的时间序列的最大相关性的局部极值匹配参数值; 以及e）基于所确定的局部极值匹配参数的评估来估计手指移动。

64. 发明申请

WO2016043645A1 METHOD AND FINGERPRINT SENSING SYSTEM FOR AUTHENTICATING A CANDIDATE FINGERPRINT 审中-公开
标题翻译：用于认证候选指纹的方法和指纹感测系统
公开(公告)号：WO2016043645A1
公开(公告)日：2016-03-24
申请号：PCT/SE2015/050959
申请日：2015-09-14
申请人： FINGERPRINT CARDS AB
发明人： TUNELD, Mats , SETTERBERG, Eric
IPC分类号： G06K9/00
CPC分类号： G06K9/0002 , G06K9/00006 , G06K9/00013 , G06K9/00597 , G06K9/00885 , G06K9/036
摘要： The present invention generally relates to a method for authenticating a candidate fingerprint using a fingerprint authentication system, and specifically to the possibility of using personalized fingerprint sensor setting for a fingerprint sensor comprised with the fingerprint authentication system. The invention also relates to a corresponding electronic device and to a computer program product. Advantages with the invention include a minimized processing time for acquiring a good quality fingerprint image, thus increasing user convenience. The invention also relates to a corresponding fingerprint sensing system and to
摘要翻译：本发明一般涉及一种使用指纹验证系统认证候选指纹的方法，具体涉及对由指纹认证系统组成的指纹传感器使用个性化指纹传感器设置的可能性。本发明还涉及相应的电子设备和计算机程序产品。本发明的优点包括获得良好质量指纹图像的最小化处理时间，从而增加用户便利性。本发明还涉及相应的指纹感测系统

65. 发明申请

WO2015147727A1 CAPACITIVE FINGERPRINT SENSOR WITH IMPROVED SENSING ELEMENT 审中-公开
标题翻译：具有改进感应元件的电容指纹传感器
公开(公告)号：WO2015147727A1
公开(公告)日：2015-10-01
申请号：PCT/SE2015/050331
申请日：2015-03-20
申请人： FINGERPRINT CARDS AB
发明人： RIEDIJK, Frank Robert
IPC分类号： G06K9/00 , A61B5/117 , G01R27/26 , H03K17/96
CPC分类号： G06K9/0002 , A61B5/117 , A61B5/1172 , A61B2562/0214 , A61B2562/046 , G01R27/26 , G06K9/00053 , G06K9/0008 , G06K9/036 , G07C9/00158
摘要： The present invention relates to a capacitive fingerprint sensing device comprising a semiconductor substrate; and an array of sensing elements formed on the semiconductor substrate. Each of the sensing elements comprises a protective dielectric top layer;a sensing structure arranged underneath the top layer; and a charge amplifier connected to the sensing structure. The charge amplifier comprises a negative input connected to the sensing structure;a positive input;an output providing a sensing signal;a feedback capacitor; and a sense transistor having a gate constituting the negative input. The sense transistor is formed in an insulated well in the semiconductor substrate. The fingerprint sensing device further comprises excitation signal providing circuitry connected to the positive input of the charge amplifier and the well for changing electric potentials of the sensing structure and the well, to thereby reduce the influence of parasitic capacitances in the sensing element.
摘要翻译：本发明涉及包括半导体衬底的电容式指纹感测装置; 以及形成在半导体衬底上的感测元件阵列。每个感测元件包括保护电介质顶层;布置在顶层下方的感测结构; 以及连接到感测结构的电荷放大器。电荷放大器包括连接到感测结构的负输入;正输入;提供感测信号的输出;反馈电容器; 以及具有构成负输入的栅极的检测晶体管。感测晶体管形成在半导体衬底中的绝缘阱中。指纹感测装置还包括连接到电荷放大器和阱的正输入的激励信号提供电路，用于改变感测结构和阱的电位，从而减小感测元件中寄生电容的影响。

66. 发明申请

WO2005124659A1 FINGERPRINT SENSOR ELEMENT 审中-公开
标题翻译：指纹传感器元件
公开(公告)号：WO2005124659A1
公开(公告)日：2005-12-29
申请号：PCT/SE2004/000985
申请日：2004-06-18
申请人： FINGERPRINT CARDS AB , RIEDIJK, Frank , HAMMERSBERG, Johan
发明人： RIEDIJK, Frank , HAMMERSBERG, Johan
IPC分类号： G06K9/00
CPC分类号： G06K9/0002
摘要： The present invention relates to a fingerprint sensor element, comprising a sensor electrode (11) formed in an upper conducting layer (M3), a lower electrode (17, 32) formed in a lower conducting layer (M2, P2) and at least one insulating layer (8, 9, 10, 22) between the upper conducting layer (M3) and the lower conducting layer (M2, P2). It further comprises a charge amplifier (13) having a negative (12) and a positive (14) input terminal and an output terminal (18). An upper side (11a) of the fingerprint sensor electrode (11) is arranged for facing a finger (5) and a lower side (11b) is arranged for facing the lower electrode (17), and the fingerprint sensor electrode (11) and the lower electrode (17) are arranged in such a way that a capacitance (C ref ) is formed between them. The sensor electrode (11) is arranged for being connected to the negative input terminal (12) of the charge amplifier (13), and the lower electrode (17) is arranged for being connected to the output terminal (18) of the charge amplifier (13).
摘要翻译：本发明涉及一种指纹传感器元件，包括形成在上导电层（M3）中的传感器电极（11），形成在下导电层（M2，P2）中的下电极（17,32）和至少一个在上导电层（M3）和下导电层（M2，P2）之间的绝缘层（8,9,10,22）。它还包括具有负极（12）和正极（14）输入端子和输出端子（18）的电荷放大器（13）。指纹传感器电极（11）的上侧（11a）被布置为面向手指（5），并且下侧（11b）布置成面对下部电极（17），并且指纹传感器电极（11）和下电极（17）以这样的方式布置，使得它们之间形成电容（Cref）。传感器电极（11）被布置为连接到电荷放大器（13）的负输入端子（12），并且下电极（17）被布置成连接到电荷放大器的输出端子（18）（13）。

67. 发明申请

WO2021061036A1 ULTRASONIC BIOMETRIC IMAGING SYSTEM AND METHOD FOR CONTROLLING THE ULTRASONIC BIOMETRIC IMAGING SYSTEM 审中-公开
公开(公告)号：WO2021061036A1
公开(公告)日：2021-04-01
申请号：PCT/SE2020/050845
申请日：2020-09-08
申请人： FINGERPRINT CARDS AB
发明人： BOUZARI, Hamed
IPC分类号： G06K9/00 , G06F3/043 , G06T5/50 , A61B5/00
摘要： The invention relates to an ultrasonic biometric imaging system (100) comprising: a cover structure (102) having a touch surface (104); a plurality of ultrasonic transducers arranged at a periphery of the touch surface; a plurality of mixed-signal integrated circuits configured to: AD-convert a received analog echo-signal to form a digital echo signal for each active ultrasonic transducer in the subset of ultrasonic transducers; perform local beamforming by introducing a first controllable delay to each digital echo signal to form a plurality of delayed echo signals; and sum the delayed echo signals to form an intermediate signal. The biometric imaging system further comprises a host processor connected to each of the plurality of mixed-signal integrated- circuits and configured to: receive intermediate signals from the of mixed- signal integrated-circuits; perform global beamforming by introducing a second controllable delay to each intermediate signal; and sum the delayed intermediate signals to form a final echo signal.

68. 发明申请

WO2021049991A1 BIOMETRIC DEVICE WITH CRYPTOGRAPHIC CIRCUITRY 审中-公开
公开(公告)号：WO2021049991A1
公开(公告)日：2021-03-18
申请号：PCT/SE2020/050838
申请日：2020-09-04
申请人： FINGERPRINT CARDS AB
发明人： PIHL, Dawid , STRÖMBERGSON, Joachim
IPC分类号： G06F21/72 , G01R31/28 , G06F11/36 , G06F21/75 , G06K9/00 , H04L9/08 , H04L9/32
摘要： A biometric device comprising: biometric sensing circuitry; cryptographic circuitry; a device key area in the biometric device for storing a cryptographic device key unique to the biometric device; and a test key area in the biometric device, for storing a cryptographic test key. The biometric device is controllable between: a test state in which the test key area is connected to the cryptographic circuitry to provide the test key to the cryptographic circuitry, and the cryptographic circuitry is prevented from performing cryptographic operations on data provided by the biometric sensing circuitry; and a functional state in which the device key area is connected to the cryptographic circuitry to provide the device key to the cryptographic circuitry, and the cryptographic circuitry is connected to the biometric sensing circuitry to receive and perform cryptographic operations on data from the biometric sensing circuitry using the device key.

69. 发明申请

WO2021045664A1 SECURE STORAGE OF SENSOR SETTING DATA 审中-公开
公开(公告)号：WO2021045664A1
公开(公告)日：2021-03-11
申请号：PCT/SE2020/050827
申请日：2020-08-31
申请人： FINGERPRINT CARDS AB
发明人： CARLING, David , STRÖMBERGSON, Joachim
IPC分类号： G06F21/50 , G06F21/62 , G06F21/64 , G06F21/71 , G06F9/00 , G06F11/30
摘要： The present disclosure relates to a fingerprint sensing system (101) and a method performed by the fingerprint sensing system (101) of verifying that setting data of a fingerprint sensor (102) of the fingerprint sensing system (101) has not been modified.In aspect, a method performed by a fingerprint sensing system (101) of verifying that setting data of a fingerprint sensor (102) of the fingerprint sensing system (101) has not been modified is provided. The method comprises blocking (S101, S201) access to the fingerprint sensor setting data held in a storage (105, 108) of the fingerprint sensing system (101), acquiring (S102. S203) from the fingerprint sensor a representation of the fingerprint sensor setting data to be utilized upon capturing a fingerprint image, and verifying (S103, S204) from the acquired representation if the fingerprint sensor setting data corresponds to fingerprint sensor setting data that previously was written to the storage (105, 108).

70. 发明申请

WO2021002791A1 SENSOR DISPLACEMENT COMPENSATION IN AN OPTICAL BIOMETRIC IMAGING ARRANGMENT UNDER A DISPLAY 审中-公开
公开(公告)号：WO2021002791A1
公开(公告)日：2021-01-07
申请号：PCT/SE2020/050658
申请日：2020-06-24
申请人： FINGERPRINT CARDS AB
发明人： HUSTH, Arne
IPC分类号： G06T5/50 , G06F3/01 , G06T7/80 , G06K9/20 , H01L27/146 , H01L27/32
摘要： The present invention relates to a method for producing a biometric image using an optical biometric imaging arrangement (100) including a set of micro lenses (118) adapted to redirect incoming light onto a photodetector pixel array (109), the method comprising: capturing a biometric image including a set of sub-images using an optical biometric imaging device (100); estimating a spatial transformation between the at least one biometric sub-image and corresponding masking calibration sub-images; applying the spatial transformation to retrieved illuminance calibration sub-images adapted for illuminance calibration for captured biometric sub-images to align the illuminance calibration sub-images with the biometric image; and normalizing the biometric sub-images using the aligned calibration sub-images for providing a normalized biometric image based on the normalized biometric sub-images.

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