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    • 52. 发明申请
    • ENABLING STATELESS SERVER-BASED PRE-SHARED SECRETS
    • 启用无状态的基于服务器的预共享秘密
    • US20070288743A1
    • 2007-12-13
    • US11843292
    • 2007-08-22
    • Nancy Cam-WingetHao ZhouPadmanabha JakkahalliJoseph SaloweyDavid McGrew
    • Nancy Cam-WingetHao ZhouPadmanabha JakkahalliJoseph SaloweyDavid McGrew
    • H04L9/14
    • H04L63/0435H04L9/0822H04L9/0841H04L63/08H04L67/14
    • A method is disclosed for enabling stateless server-based pre-shared secrets. Based on a local key that is not known to a client, a server encrypts the client's state information. The client's state information may include, for example, the client's authentication credentials, the client's authorization characteristics, and a shared secret key that the client uses to derive session keys. By any of a variety of mechanisms, the encrypted client state information is provided to the client. The server may free memory that stored the client's state information. When the server needs the client's state information, the client sends, to the server, the encrypted state information that the client stored. The server decrypts the client state information using the local key. Because each client stores that client's own state information in encrypted form, the server does not need to store any client's state information permanently.
    • 公开了一种实现无状态的基于服务器的预共享机密的方法。 基于客户端不知道的本地密钥,服务器加密客户端的状态信息。 客户端的状态信息可以包括例如客户端的认证凭证,客户端的授权特征以及客户端用于导出会话密钥的共享秘密密钥。 通过各种机制中的任一种,加密的客户端状态信息被提供给客户端。 服务器可以释放存储客户端状态信息的内存。 当服务器需要客户端的状态信息时,客户端向服务器发送客户端存储的加密状态信息。 服务器使用本地密钥解密客户端状态信息。 因为每个客户端都以加密形式存储客户端自己的状态信息,服务器不需要永久存储任何客户端的状态信息。
    • 54. 发明申请
    • Optical calibration system and method
    • 光学校准系统及方法
    • US20060098156A1
    • 2006-05-11
    • US10984594
    • 2004-11-08
    • Steven FriskenGlenn BaxterHao ZhouDmitri Abakoumov
    • Steven FriskenGlenn BaxterHao ZhouDmitri Abakoumov
    • G02F1/13
    • G01M11/0292G02B6/29311G02B6/29313G02F2203/12G02F2203/50
    • In an optical system including an optical input port for projecting an input optical signal onto an optical phased matrix array, an optical phased matrix array including a plurality of individually addressable pixels thereon, each said pixel being drivable within a prescribed range of levels, and an optical output port for collecting a predetermined fraction of said optical signal received from said optical phased matrix array; a method of compensating for phase distortions including the steps of: (a) determining a plurality of transfer functions relating said level of each said pixel to the phase variation each said pixel introduces to light from said input optical signal which is incident thereon; and (b) controlling the level of selected ones of said pixels in accordance with a corresponding transfer function such that said fractional signal received at said output port is modified in phase to substantially compensate for optical phase distortions arising from said optical phased matrix array.
    • 在包括用于将输入光信号投影到光相位矩阵阵列上的光输入端口的光学系统中,包括多个可单独寻址的像素的光相位矩阵阵列,每个所述像素可在规定的电平范围内驱动,并且 光输出端口,用于收集从所述光相位矩阵阵列接收的所述光信号的预定分数; 一种补偿相位失真的方法,包括以下步骤:(a)确定将每个所述像素的所述电平与所述像素引入的相位变化相关联的多个传输函数,所述相位变化来自入射在其上的所述输入光信号; 以及(b)根据相应的传递函数来控制所述像素中所选择的像素的电平,使得在所述输出端口处接收到的所述分数信号被相位修改以基本上补偿由所述光相位矩阵阵列产生的光学相位失真。
    • 58. 发明授权
    • Voltage reference buffer using voltage battery level shifter
    • 电压参考缓冲器使用电压电池电平转换器
    • US09190859B1
    • 2015-11-17
    • US13115813
    • 2011-05-25
    • Hao ZhouYonghua SongTao ShuiJie Jiang
    • Hao ZhouYonghua SongTao ShuiJie Jiang
    • H02J7/00
    • H03K17/161H02J7/0054H03K17/063H03K2217/0081
    • In one embodiment, an apparatus includes a first supply voltage and a second supply voltage. Level shifter circuitry is configured as a first voltage battery to shift a first voltage and a second voltage battery to shift a second voltage. A first circuit receives the shifted first voltage and sets a third voltage, and receives the shifted second voltage and sets a fourth voltage. The shifted first voltage is greater than the first supply voltage and the shifted second voltage level is less than the second supply voltage. A second circuit sets a fifth voltage and a sixth voltage. The fifth voltage follows the third voltage and the sixth voltage following the fourth voltage.
    • 在一个实施例中,装置包括第一电源电压和第二电源电压。 电平移位器电路被配置为第一电压电池以移动第一电压和第二电压电池以移位第二电压。 第一电路接收移位的第一电压并设置第三电压,并接收移位的第二电压并设置第四电压。 移位的第一电压大于第一电源电压,并且移位的第二电压电平小于第二电源电压。 第二电路设置第五电压和第六电压。 第五电压跟随第四电压的第三电压和第六电压。
    • 60. 发明授权
    • Assuring food safety using nano-structure based spectral sensing
    • 使用基于纳米结构的光谱感测来确保食品安全
    • US08699019B2
    • 2014-04-15
    • US13442835
    • 2012-04-09
    • Hong WangXun GuoChunwei LiuHao ZhouNing MaXue Zhong
    • Hong WangXun GuoChunwei LiuHao ZhouNing MaXue Zhong
    • G01J3/44
    • G01N33/03B82Y30/00G01N21/64G01N21/65G01N33/497
    • A method for inspecting an edible oil includes obtaining a first Raman spectrum from an edible oil sample, discovering an unhealthy, unsanitary, unsafe, or adulterated content in the edible oil sample in part by the intensity level of the fluorescence background in the first Raman spectrum, introducing the edible oil sample to nano-scale surface structures to allow molecules of the edible oil sample to be adsorbed to the nano-scale surface structures, illuminating the edible oil sample and the nano-scale surface structures by a laser beam, obtaining a second Raman spectrum from light scattered by molecules of the edible oil sample adsorbed to the nano-scale surface structures, and identifying the unhealthy, unsanitary, or unsafe content in the edible oil sample using one or more first spectral signatures in the second Raman spectrum.
    • 用于检查食用油的方法包括从食用油样品获得第一拉曼光谱,部分地发现食用油样品中不健康,不卫生,不安全或掺假的含量,部分由第一拉曼光谱中的荧光背景的强度水平 将食用油样品引入纳米级表面结构,使食用油样品的分子吸附到纳米级表面结构上,用激光束照射食用油样品和纳米级表面结构,得到 第二拉曼光谱从被吸收到纳米级表面结构的食用油样品的分子散射的光中,以及使用第二拉曼光谱中的一个或多个第一光谱特征识别食用油样品中的不健康,不卫生或不安全的含量。