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    • 2. 发明申请
    • Imaging device and method having a pivotable transducer
    • 成像装置和方法具有可枢转的换能器
    • US20050117786A1
    • 2005-06-02
    • US10982614
    • 2004-11-05
    • John SchneiderJack KitchensStephen Gojevic
    • John SchneiderJack KitchensStephen Gojevic
    • G06K20060101G06K9/00
    • G06K9/00026G06K9/0002
    • A finger imaging system having a linear actuator, a pivot arm mounted to the linear actuator and an energy transducer mounted to the pivot arm is disclosed. The system may include an arcuate platen positioned to receive energy from the transducer. A finger may be placed on the platen, and the position of the transducer may be fixed at a first position relative to the length of the finger. The pivot arm may be moved in order to move the transducer along an arcuate path while maintaining the transducer at the first position relative to the length. As the transducer moves along the arcuate path, energy may be emitted from the transducer and reflected from the finger. The reflected energy may be detected and data corresponding to the amount of time between sending and receiving energy may be stored as data along with the linear and angular position of the transducer. After data is gathered about the finger at the first position, the transducer may be moved to a second position relative to the length of the finger, where the process of sweeping the transducer along an arcuate path and gathering data may occur again. The stored data can be used to create an image of the fingerprint.
    • 公开了一种具有线性致动器,安装到线性致动器的枢转臂和安装到枢转臂的能量换能器的手指成像系统。 该系统可以包括定位成从换能器接收能量的弧形压板。 手指可以放置在压板上,并且换能器的位置可以相对于手指的长度固定在第一位置。 枢转臂可以移动以便沿着弓形路径移动换能器,同时将换能器保持在相对于长度的第一位置。 当传感器沿着弧形路径移动时,能量可以从换能器发射并从手指反射。 可以检测反射的能量,并且与发送和接收能量之间的时间量相对应的数据可以作为数据与换能器的线性和角度位置一起存储。 在关于手指在第一位置收集数据之后,换能器可以相对于手指的长度移动到第二位置,其中沿着弧形路径扫描换能器并收集数据的过程可以再次发生。 存储的数据可用于创建指纹图像。
    • 3. 发明申请
    • Hand scanner with moveable platen
    • 手动扫描仪带可移动压板
    • US20060173316A1
    • 2006-08-03
    • US11251662
    • 2005-10-17
    • John SchneiderJack KitchensStephen Gojevic
    • John SchneiderJack KitchensStephen Gojevic
    • A61B8/00
    • G06K9/0002
    • A hand scanner according to the invention may obtain an image of the hand and fingers including the bracelet crease/carpel delta area and palm surface regions up to the tips of the fingers using ultrasound measurement techniques. A hand scanner according to the invention may include a movable arcuate platen and an energy transducer. In a method according to the invention, the transducer may be moved back and forth while moving a platen surface in order to advance the hand and thereby produce a raster type scan image. In this manner, the image of the hand print may be collected as a raster image representative of the scanned surface of the friction ridge skin.
    • 根据本发明的手扫描器可以使用超声测量技术获得手指和手指的图像,其包括手镯折痕/心皮三角区域和手指表面区域直到手指的尖端。 根据本发明的手扫描器可以包括可动弓形压板和能量换能器。 在根据本发明的方法中,换能器可以在移动压板表面的同时来回移动,以便推进手,从而产生光栅型扫描图像。 以这种方式,手印的图像可以被收集为表示摩擦脊皮肤的扫描表面的光栅图像。