公开(公告)号：US20050281441A1

公开(公告)日：2005-12-22

申请号：US10537508

申请日：2003-12-03

申请人： Orjan Martinsen ,  Jon Nysaether ,  Knut Rissnaes ,  Ingvild Dyve ,  Geir Mostad ,  Rune Pedersen ,  Nicolai Christie ,  Sigmund Clausen

发明人： Orjan Martinsen ,  Jon Nysaether ,  Knut Rissnaes ,  Ingvild Dyve ,  Geir Mostad ,  Rune Pedersen ,  Nicolai Christie ,  Sigmund Clausen

IPC分类号： A61B5/053 ,  A61B5/103 ,  A61B5/117 ,  G06K20060101 ,  G06K9/00

CPC分类号： A61B5/6826 ,  A61B5/0531 ,  A61B5/442 ,  A61B5/6838 ,  G06K9/0002 ,  G06K9/00899

摘要： Method and sensor assembly determining the condition of a structure, especially for confirming if a measured fingerprint is on a live finger, by measuring characteristics of close to the structure surface, the sensor comprising a first pair of current supply electrodes coupled to a current source, providing an electrical current to the skin, at least two pickup electrodes at chosen and different positions relative to the current supply electrodes, at least a first of said pickup electrodes being coupled to an instrument for measuring the voltage between said first pickup electrode and at least one of the pickup or current supply electrodes, storage means for a predetermined set of values characterizing a certain condition of the surface, and means for comparing the characteristics from each pickup electrode with the measurements of the other pickup electrodes and with the predetermined set of characteristics for determining the surface condition.

摘要翻译： 方法和传感器组件通过测量靠近结构表面的特性来确定结构的状况，特别是用于确认测得的指纹是否在活的手指上，所述传感器包括耦合到电流源的第一对电流供给电极， 向皮肤提供电流，相对于电流供应电极在选定和不同位置处的至少两个拾取电极，所述拾取电极中的至少第一拾波电极耦合到用于测量所述第一拾取电极和至少 拾取或供电电极中的一个，用于表征表面的一定条件的预定值的值的存储装置，以及用于将来自每个拾取电极的特性与其它拾取电极的测量结果以及预定特性集合进行比较的装置 用于确定表面状况。

公开(公告)号：US08195285B2

公开(公告)日：2012-06-05

申请号：US12961007

申请日：2010-12-06

申请人： Orjan G. Martinsen ,  Jon Nysaether ,  Knut Riisnaes ,  Ingvild Juvkam Dyve, legal representative ,  Geir Mostad ,  Rune Pedersen ,  Nicolai W. Christie ,  Sigmund Clausen

发明人： Orjan G. Martinsen ,  Jon Nysaether ,  Knut Riisnaes ,  Geir Mostad ,  Rune Pedersen ,  Nicolai W. Christie ,  Sigmund Clausen

IPC分类号： A61B5/05 ,  G06T1/00 ,  G06T7/00

CPC分类号： A61B5/6826 ,  A61B5/0531 ,  A61B5/442 ,  A61B5/6838 ,  G06K9/0002 ,  G06K9/00899

摘要： A method and sensor assembly for determining the condition of a structure, especially for confirming if a measured fingerprint is on a live finger, measures characteristics of close to the structure surface. The sensor includes a first pair of current supply electrodes coupled to a current source, providing an electrical current to the skin, at least two pickup electrodes at chosen and different positions relative to the current supply electrodes, at least a first of the pickup electrodes being coupled to an instrument for measuring the voltage between the first pickup electrode and at least one of the pickup or current supply electrodes, storage for a predetermined set of values characterizing a certain condition of the surface, and means for comparing the characteristics from each pickup electrode with the measurements of the other pickup electrodes and with the predetermined set of characteristics for determining the surface condition.

摘要翻译： 用于确定结构状况的方法和传感器组件，特别是用于确认测量的指纹是否在活的手指上，测量靠近结构表面的特性。 传感器包括耦合到电流源的第一对电流供应电极，相对于电流供应电极在选定和不同位置处向皮肤提供电流，至少两个拾取电极，至少第一个拾取电极为 耦合到用于测量第一拾取电极和拾取或供电电极中的至少一个之间的电压的仪器，用于存储表征表面的一定条件的预定值的值，以及用于比较来自每个拾取电极的特性的装置 具有其他拾取电极的测量值以及用于确定表面状态的预定的一组特性。

公开(公告)号：US07848798B2

公开(公告)日：2010-12-07

申请号：US10537508

申请日：2003-12-03

申请人： Ørjan G. Martinsen ,  Jon Nysæther ,  Knut Riisnæs ,  Ingvild Juvkam Dyve, legal representative ,  Geir Mostad ,  Rune Pedersen ,  Nicolai W. Christie ,  Sigmund Clausen

发明人： Ørjan G. Martinsen ,  Jon Nysæther ,  Knut Riisnæs ,  Geir Mostad ,  Rune Pedersen ,  Nicolai W. Christie ,  Sigmund Clausen

IPC分类号： A61B5/05 ,  G06T1/00 ,  G06T7/00

CPC分类号： A61B5/6826 ,  A61B5/0531 ,  A61B5/442 ,  A61B5/6838 ,  G06K9/0002 ,  G06K9/00899

摘要： Method and sensor assembly determining the condition of a structure, especially for confirming if a measured fingerprint is on a live finger, by measuring characteristics of close to the structure surface, the sensor comprising a first pair of current supply electrodes coupled to a current source, providing an electrical current to the skin, at least two pickup electrodes at chosen and different positions relative to the current supply electrodes, at least a first of said pickup electrodes being coupled to an instrument for measuring the voltage between said first pickup electrode and at least one of the pickup or current supply electrodes, storage means for a predetermined set of values characterizing a certain condition of the surface, and means for comparing the characteristics from each pickup electrode with the measurements of the other pickup electrodes and with the predetermined set of characteristics for determining the surface condition.

摘要翻译： 方法和传感器组件通过测量靠近结构表面的特性来确定结构的状况，特别是用于确认测得的指纹是否在活的手指上，所述传感器包括耦合到电流源的第一对电流供给电极， 向皮肤提供电流，相对于电流供应电极在选定和不同位置处的至少两个拾取电极，所述拾取电极中的至少第一拾波电极耦合到用于测量所述第一拾取电极和至少 拾取或供电电极中的一个，用于表征表面的一定条件的预定值的值的存储装置，以及用于将来自每个拾取电极的特性与其它拾取电极的测量结果以及预定特性集合进行比较的装置 用于确定表面状况。