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    • 4. 发明授权
    • Human verification by contextually iconic visual public turing test
    • 通过上下文标志性视觉公众图灵测验进行人体验证
    • US08959621B2
    • 2015-02-17
    • US12661921
    • 2010-03-26
    • David SnellingBrian GrutziusScott ThompsonAdam Fritz
    • David SnellingBrian GrutziusScott ThompsonAdam Fritz
    • G06F21/36G06Q30/02G06F21/31H04L29/06
    • H04L63/08G06F21/316G06F21/36G06F2221/2103G06F2221/2115G06F2221/2117G06F2221/2133G06Q30/02H04L63/083
    • There is provided a system and method for human verification by a contextually iconic visual public Turing test. There is provided a method comprising receiving a request to verify whether a client is human controlled, selecting, by contextual criteria, a plurality of images each having one or more associated tags from a database, generating a challenge question and a corresponding answer set based on associated tags of a subset of the plurality of images, presenting the plurality of images and the challenge question to the client, receiving a submission to the challenge question from the client, and responding to the request by verifying whether the submission is contained in the answer set to determine whether the client is human controlled. The contextual criteria may comprise subject matter, branding, or intended audience of a content provider sending the request, thereby facilitating human responses while deterring automated systems.
    • 提供了一种通过上下文标志性的视觉公众图灵测验进行人体验证的系统和方法。 提供了一种方法,包括接收用于验证客户端是否受人控制的请求,通过上下文标准来选择每个具有来自数据库的一个或多个相关联的标签的多个图像,产生质询问题和基于 将所述多个图像的子集的相关联的标签,向所述客户端呈现所述多个图像和挑战问题,从所述客户端接收对所述挑战问题的提交,以及通过验证所述提交是否包含在所述答案中来响应所述请求 设置以确定客户端是否是人为控制的。 上下文标准可以包括发送请求的内容提供商的主题,品牌或预期受众,从而在阻止自动化系统的同时促进人类的反应。
    • 10. 发明申请
    • Snap-On Parasitic Power Line Transformer
    • Snap-On寄生电力线变压器
    • US20070109088A1
    • 2007-05-17
    • US11164158
    • 2005-11-11
    • Bernt AskildsenScott Thompson
    • Bernt AskildsenScott Thompson
    • H01F27/24
    • H01F38/00H01F30/06H01F38/30
    • An economically attractive method to tap low-level electric power from any power line is disclosed. The invention captures power for low consumption electronic components such as communication repeaters and remote sensors. The device snaps onto any power line and functions as a parasitic current transformer. It captures the dynamic magnetic energy that is created by electric current as it flows through the power line and concentrates the resulting magnetic flux into a region where the energy is converted to electricity in a pick-up coil. The difference between the disclosed device and a conventional transformer is that the magnetic flux that is set up in the low-reluctance material of the former originates from alternating current on a power line phase and not from a primary transformer winding as in the latter.
    • 公开了一种从任何电源线中抽取低电平电力的经济上有吸引力的方法。 本发明捕获诸如通信中继器和远程传感器的低功耗电子部件的功率。 该设备卡入任何电源线并用作寄生电流互感器。 它捕获在流过电力线时由电流产生的动态磁能,并将所得到的磁通集中到能量在拾取线圈中转换为电的区域中。 所公开的装置和常规变压器之间的区别在于,在低阻磁材料中设置的磁通量来自电力线相位上的交流电流,而不是来自初级变压器绕组的交流电流。