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公开(公告)号：US11086453B2
公开(公告)日：2021-08-10
申请号：US15827529
申请日：2017-11-30
发明人： James Anthony Miranto , Jack Conway Kitchens , Stephen Michael Gojevic , Todd Campbell , Stephen James Potter , Steven Pezanoski
IPC分类号： G06F3/043 , G01S7/52 , B06B1/06 , G06F1/16 , G01S15/89 , G06F3/041 , B06B1/02 , G01H11/08 , G06K9/00 , H04L29/06 , H04W12/06
摘要： An apparatus includes an ultrasonic transmitter, an ultrasonic receiver, and an acoustic delay gradient layer disposed in an acoustic path between the ultrasonic transmitter and the ultrasonic receiver. The acoustic delay gradient layer is configured to cause a reflection from a platen interface of the transmitted ultrasonic signal to reach the first receiver region at a first time and the reflection from the platen interface of the transmitted ultrasonic signal to reach the second receiver region at a second time that is different from the first time. The apparatus can further include a controller configured to set for a first region or portion of the receiver, a first range gate window (RGW). The controller is also configured to set, for a second region or portion of the receiver, a second RGW, and to establish a first temporal delay between the first RGW and the second RGW.
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公开(公告)号：US10140534B2
公开(公告)日：2018-11-27
申请号：US15253387
申请日：2016-08-31
发明人： Jack Conway Kitchens, II , John Keith Schneider , Stephen Michael Gojevic , Philip John Schneider , Evan Michael Breloff , Ashish Hinger , David William Burns , Muhammed Ibrahim Sezan
摘要： An apparatus may include an ultrasonic sensor array and a control system. The control system may be configured to acquire first image data generated by the ultrasonic sensor array corresponding to at least one first reflected ultrasonic wave received by at least a portion of the ultrasonic sensor array from a target object during a first acquisition time window. The control system may be configured to acquire second image data generated by the ultrasonic sensor array corresponding to at least one second reflected ultrasonic wave received by at least a portion of the ultrasonic sensor array from the target object during a second acquisition time window that is longer than the first acquisition time window. The control system may further be configured to initiate an authentication process based on the first image data and the second image data.
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公开(公告)号：US20140355387A1
公开(公告)日：2014-12-04
申请号：US14175876
申请日：2014-02-07
CPC分类号： H04R17/005 , A61B5/1172 , B06B1/0688 , G01H1/00 , G01H11/08 , G06K9/0002
摘要： This disclosure provides systems, methods and apparatus related to an ultrasonic receiver for detecting ultrasonic energy received at a first surface of the ultrasonic receiver. The ultrasonic receiver includes an array of pixel circuits disposed on a substrate, each pixel circuit in the array including at least one thin film transistor (TFT) element and having a pixel input electrode electrically coupled to the pixel circuit. The ultrasonic receiver is fabricated by forming a piezoelectric layer so as to be in electrical contact with the pixel input electrodes. Forming the piezoelectric layer includes coating a solution containing a polymer onto the array of pixel circuits, crystallizing the polymer to form a crystallized polymer layer and poling the crystallized polymer layer.
摘要翻译： 本公开提供了与用于检测在超声波接收器的第一表面处接收的超声能量的超声波接收器有关的系统，方法和装置。 超声波接收器包括设置在基板上的像素电路阵列，阵列中的每个像素电路包括至少一个薄膜晶体管（TFT）元件，并且具有电耦合到像素电路的像素输入电极。 通过形成压电层以与像素输入电极电接触来制造超声波接收器。 形成压电层包括将包含聚合物的溶液涂覆到像素电路阵列上，使聚合物结晶以形成结晶的聚合物层并极化结晶的聚合物层。
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公开(公告)号：US10705656B2
公开(公告)日：2020-07-07
申请号：US15827528
申请日：2017-11-30
IPC分类号： G06F3/043 , G01S7/52 , B06B1/06 , G06F1/16 , G01S15/89 , G06F3/041 , B06B1/02 , G01H11/08 , G06K9/00 , H04L29/06 , H04W12/06
摘要： A system and method for ultrasonic sensing, wherein an ultrasonic receiver array includes multiple ultrasonic sensor pixels, and each sensor pixel includes an ultrasonic receiver configured to read an ultrasonic signal. An ultrasonic transmitter array, composed of multiple elements, transmits ultrasonic signals which may be reflected from an object and received at the ultrasonic receivers, wherein a sensor controller applies excitation signals to the transmitter array with a temporal delay between excitation signals.
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公开(公告)号：US20180213333A1
公开(公告)日：2018-07-26
申请号：US15925636
申请日：2018-03-19
CPC分类号： H04R17/005 , A61B5/1172 , B06B1/0688 , G01H1/00 , G01H11/08 , G06K9/0002
摘要： This disclosure provides systems, methods and apparatus related to an ultrasonic receiver for detecting ultrasonic energy received at a first surface of the ultrasonic receiver. The ultrasonic receiver includes an array of pixel circuits disposed on a substrate, each pixel circuit in the array including at least one thin film transistor (TFT) element and having a pixel input electrode electrically coupled to the pixel circuit. The ultrasonic receiver is fabricated by forming a piezoelectric layer so as to be in electrical contact with the pixel input electrodes. Forming the piezoelectric layer includes coating a solution containing a polymer onto the array of pixel circuits, crystallizing the polymer to form a crystallized polymer layer and poling the crystallized polymer layer.
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公开(公告)号：US09726755B2
公开(公告)日：2017-08-08
申请号：US14863114
申请日：2015-09-23
发明人： Jack Conway Kitchens, II , John Keith Schneider , Stephen Michael Gojevic , Timothy Alan Dickinson , Philip John Schneider , Evan Breloff , Evan Robert Hildreth
CPC分类号： G01S7/539 , G06K9/00107 , G06K9/0012 , G06K9/00899
摘要： Methods and systems of determining whether an object is alive, and therefore part of a live individual, are described. An object having an outer surface (e.g. a friction-ridge surface of a finger) and internal parts (e.g. tissue layer, papillae, blood vessels, fat, muscle, nail and bone) is scanned by a system having a transmitter, receiver and computer. One such system has a substantially planar piezoelectric transmit-layer, an ultrasonic receiver array having a plurality of receivers, and a platen. The transmit layer is caused to produce an ultrasound plane-wave traveling toward the object residing on the platen. Using the ultrasonic receiver, ultrasonic energy that has been reflected from the object is detected. The detected ultrasonic energy is analyzed to provide an analysis result, and the analysis result is compared to a template. A determination is made as to whether the analysis result and the template are similar, and the object is declared to be alive if the analysis result is determined to be similar to the template.
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公开(公告)号：US20170090024A1
公开(公告)日：2017-03-30
申请号：US15253387
申请日：2016-08-31
发明人： Jack Conway Kitchens, II , John Keith Schneider , Stephen Michael Gojevic , Philip John Schneider , Evan Michael Breloff , Ashish Hinger , David William Burns , Muhammed Ibrahim Sezan
CPC分类号： G06K9/00885 , A61B5/1172 , A61B5/6898 , A61B8/0858 , A61B8/5223 , A61B8/54 , G01S7/52036 , G01S7/52061 , G06K9/0002 , G06K9/2009 , G06K2009/00932
摘要： An apparatus may include an ultrasonic sensor array and a control system. The control system may be configured to acquire first image data generated by the ultrasonic sensor array corresponding to at least one first reflected ultrasonic wave received by at least a portion of the ultrasonic sensor array from a target object during a first acquisition time window. The control system may be configured to acquire second image data generated by the ultrasonic sensor array corresponding to at least one second reflected ultrasonic wave received by at least a portion of the ultrasonic sensor array from the target object during a second acquisition time window that is longer than the first acquisition time window. The control system may further be configured to initiate an authentication process based on the first image data and the second image data.
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公开(公告)号：US20210158002A1
公开(公告)日：2021-05-27
申请号：US16691416
申请日：2019-11-21
发明人： Jack Conway Kitchens , John Keith Schneider , Stephen Michael Gojevic , Evan Michael Breloff , James Anthony Miranto , Emily Kathryn Brooks , Fitzgerald John Archibald , Alexei Stoianov , Raj Kumar , Sai Praneeth Sreeram , Nirma Lnu , Sandeep Louis D'Souza , Nicholas Ian Buchan , Yipeng Lu , Chin-Jen Tseng , Hrishikesh Vijaykumar Panchawagh
摘要： An apparatus may include a cover layer, a layer of first metamaterial proximate (or in) the cover layer, a light source system configured for providing light to the layer of first metamaterial and a receiver system. The first metamaterial may include nanoparticles configured to create ultrasonic waves when illuminated by light. The receiver system may include an ultrasonic receiver system configured to receive ultrasonic waves reflected from a target object in contact with, or proximate, a surface of the cover layer. The control system may be configured to receive ultrasonic receiver signals from the ultrasonic receiver system corresponding to the ultrasonic waves reflected from the target object and to perform an authentication process and/or an imaging process that is based, at least in part, on the ultrasonic receiver signals.
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公开(公告)号：US10725590B2
公开(公告)日：2020-07-28
申请号：US15828187
申请日：2017-11-30
发明人： James Anthony Miranto , Steven Pezanoski , Stephen James Potter , Todd Campbell , Jack Conway Kitchens , Stephen Michael Gojevic
IPC分类号： G06F3/043 , G01S7/52 , B06B1/06 , G06F1/16 , G01S15/89 , G06F3/041 , B06B1/02 , G01H11/08 , G06K9/00 , H04L29/06 , H04W12/06
摘要： An apparatus includes an ultrasonic sensor array and a sensor controller. The sensor array includes a plurality of ultrasonic sensor pixels, each sensor pixel including an ultrasonic receiver and a receiver bias electrode and being operable in one or both of a transmit mode of operation or a read mode of operation. The sensor controller is electrically coupled with the receiver bias electrodes. The sensor controller is configured to set, at each sensor pixel, a range gate window (RGW) by modulating a bias voltage applied to the receiver bias electrode and to set, for a first portion of the ultrasonic sensor pixels, a first RGW. The sensor controller is configured to set, for a second portion of the ultrasonic sensor pixels, a second RGW, and establish a first temporal delay between the first RGW and the second RGW.
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公开(公告)号：US10444335B2
公开(公告)日：2019-10-15
申请号：US15629584
申请日：2017-06-21
发明人： Jack Conway Kitchens, II , John Keith Schneider , Stephen Michael Gojevic , Timothy Alan Dickinson , Philip John Schneider , Evan Michael Breloff , Evan Robert Hildreth
摘要： Methods and systems of determining whether an object is alive, and therefore part of a live individual, are described. An object having an outer surface (e.g. a friction-ridge surface of a finger) and internal parts (e.g. tissue layer, papillae, blood vessels, fat, muscle, nail and bone) is scanned by a system having a transmitter, receiver and computer. One such system has a substantially planar piezoelectric transmit-layer, an ultrasonic receiver array having a plurality of receivers, and a platen. The transmit layer is caused to produce an ultrasound plane-wave traveling toward the object residing on the platen. Using the ultrasonic receiver, ultrasonic energy that has been reflected from the object is detected. The detected ultrasonic energy is analyzed to provide an analysis result, and the analysis result is compared to a template. A determination is made as to whether the analysis result and the template are similar, and the object is declared to be alive if the analysis result is determined to be similar to the template.
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