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    • 8. 发明申请
    • PREVENTING PATTERN RECOGNITION IN ELECTRONIC CODE BOOK ENCRYPTION
    • 防止电子代码加密中的图案识别
    • US20140205085A1
    • 2014-07-24
    • US13996890
    • 2011-12-30
    • Scott JanusJason MartinUDAY Savagaonkar
    • Scott JanusJason MartinUDAY Savagaonkar
    • H04N1/44
    • H04L9/0637G06F21/6209G06T1/20H04L2209/08H04N1/4486
    • In general, in one aspect, noise is injected into a bitmap associated with content to be presented on a display to create a noisy bitmap. The noisy bitmap is encrypted using electronic code book (ECB) encryption. The resulting ciphertext does not include recognizable patterns from the content as is typical with ECB encryption. The injection of noise may include modifying pixel values for at least a subset of pixels in the bitmap. The pixel values may be modified by using a counter, a known modification pattern, or a random number generator. The bitmap may be analyzed to determine how the bitmap can be modified to maximize the randomness of the bitmap while ensuring that the noisy bitmap is visually perceptually similar when presented. The noise may be injected into a block of pixels prior to the block being encrypted.
    • 通常,在一个方面,将噪声注入到与将要呈现在显示器上的内容相关联的位图中以产生噪声位图。 噪声位图使用电子代码簿(ECB)加密进行加密。 所得到的密文不包括来自内容的可识别模式,如ECB加密典型。 噪声的注入可以包括修改位图中的至少像素子集的像素值。 可以通过使用计数器,已知修改模式或随机数生成器来修改像素值。 可以分析位图以确定位图如何被修改以使位图的随机性最大化,同时确保在呈现时视觉上感觉上类似的噪声位图。 在块被加密之前,可以将噪声注入到像素块中。
    • 10. 发明授权
    • Pivoting hub nut
    • 枢轴螺母
    • US08696286B1
    • 2014-04-15
    • US12884589
    • 2010-09-17
    • Jason Martin
    • Jason Martin
    • F16B37/08
    • B60B29/00F16B37/0821
    • A pivoting hub nut, or hub clamp, for manually securing an object to a rotatable shaft provides a first hub defining a first radial slot and a second hub pivotally attached to the first hub defining a second radial slot. A first handle extends from the first hub, and a second handle extends from the second hub. A latch is disposed on the clamp for selectively locking the clamp in a closed position. An axial bore is defined along the centerline, or hub axis of rotation, of the clamp. The clamp includes a threaded region facing the axial bore for engaging corresponding threads on the shaft. Upon installation of the clamp onto the shaft, the clamp can be rotated relative to the shaft in a closed position for adjusting the longitudinal, or axial, placement of the clamp on the shaft, and the clamp can be tightened against a wheel rim or other object for securing the object on the shaft.
    • 用于将物体手动固定到可旋转轴的枢转轮毂螺母或轮毂夹具提供限定第一径向槽的第一轮毂和枢转地连接到限定第二径向槽的第一轮毂的第二轮毂。 第一手柄从第一轮毂延伸,并且第二手柄从第二轮毂延伸。 闩锁设置在夹具上,用于将夹具选择性地锁定在关闭位置。 沿着夹具的中心线或轮毂轴线轴线限定轴向孔。 夹具包括面向轴向孔的螺纹区域,用于接合轴上相应的螺纹。 在将夹具安装到轴上时,夹具可以在关闭位置相对于轴旋转,用于调节夹具在轴上的纵向或轴向布置,并且夹具可以紧固在轮缘或其他 用于将物体固定在轴上的物体。