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    • 6. 发明授权
    • CMOS linear voltage/current dual-mode imager
    • CMOS线性电压/电流双模成像器
    • US08471189B2
    • 2013-06-25
    • US12301400
    • 2007-05-18
    • Jan Van der SpiegelViktor GruevZheng Yang
    • Jan Van der SpiegelViktor GruevZheng Yang
    • H01L27/00H01L31/00H01J40/14
    • H04N5/3575H01L27/14621H01L27/14643H04N5/378
    • A CMOS image sensor that is capable of both voltage- and current-mode operations selects the mode based on the position of mode switches. Each pixel on the imager has a single transistor acting as either source follower for voltage readout, or transconductor for current readout. The two modes share the same readout lines, but have their own correlated double sampling (CDS) units for noise suppression. A current-mode readout technique using a velocity-saturated short-channel transistor may be used to achieve high linearity. An image array may be formed as a mixture of 3 types of pixels with identical photodiodes and access switches. The readout transistors are optimally sized for their designated mode of operation. Alternatively, two readout transistors are provided per pixel, each individually optimized for the desired mode of operation.
    • 能够进行电压和电流模式操作的CMOS图像传感器根据模式开关的位置选择模式。 成像器上的每个像素都具有单个晶体管,用作用于电压读出的源极跟随器,或用于电流读出的跨导体。 两种模式共享相同的读出线,但具有自己的相关双采样(CDS)单元进行噪声抑制。 可以使用使用速度饱和短沟道晶体管的电流模式读出技术来实现高线性度。 图像阵列可以形成为具有相同光电二极管和接入开关的3种像素的混合。 对于其指定的操作模式,读出晶体管的尺寸是最佳的。 或者,每个像素提供两个读出晶体管,每个单独针对所需的操作模式进行优化。
    • 8. 发明申请
    • Online Payment System and Method
    • 在线支付系统和方法
    • US20100223188A1
    • 2010-09-02
    • US11997767
    • 2008-02-01
    • Zheng Yang
    • Zheng Yang
    • G06Q20/00H04L9/32
    • G06Q40/02G06Q20/102G06Q20/40G06Q20/401
    • An online payment system uses an electronic check system to make a payment to a merchant on behalf of an online customer. The electronic check system receives a check application request of the customer, creates an electronic check number and a password for the check, outputs the check information to the customer, and stores the check information in the electronic check system. When a merchant system receives an online payment request of the customer, it sends the request to the electronic check system, which then parses out a payment electronic check number and a payment check password from the payment request, verifies the parsed information with the stored check the information, and makes a payment to the merchant. The electronic check system is centralized and shared by multiple merchants. A payment only needs access to the electronic check system, without requiring participation of multiple receipt-acquiring systems of individual merchants.
    • 在线支付系统使用电子支票系统代表在线客户向商家付款。 电子支票系统接收到客户的支票申请请求,创建电子支票号码和支票密码,将支票信息输出给客户,并将支票信息存储在电子支票系统中。 当商家系统接收到客户的在线支付请求时,它将请求发送到电子支票系统,该电子支票系统然后从支付请求中解析出支付电子支票号码和支付支票密码,用存储的支票来验证解析的信息 信息,并向商家付款。 电子检查系统由多个商家集中和共享。 付款仅需要访问电子支票系统,而不需要参与个别商家的多个收据获取系统。
    • 9. 发明授权
    • Method and apparatus for reliable multicast distribution
    • 可靠的组播分配方法和装置
    • US07385978B1
    • 2008-06-10
    • US10782649
    • 2004-02-19
    • Zheng YangDan LiShanchi ZhanKenneth Mueller, II
    • Zheng YangDan LiShanchi ZhanKenneth Mueller, II
    • H04L12/28
    • H04L12/66
    • A system for reliable multicast distribution includes a primary content engine and a backup content engine sender. The primary content engine sender sends out a multicast message of content to selected content engine receivers. The sender waits for negative acknowledgments from the selected content engine receivers declaring that content was not received. If a negative acknowledgment is received, the sender resends the multicast message a predetermined number of times. If the content is still not received after the number of multicast passes is exhausted, the sender sends out unicast messages to those receivers still requesting content. If the primary sender does not respond to a negative acknowledgment, the receiver sends a second negative acknowledgment to the backup multicast sender. The backup responds with the data requested in the negative acknowledgment and so is able to begin data distribution at the point where the primary sender left off without maintaining synchronicity with the primary sender.
    • 用于可靠的多播分发的系统包括主要内容引擎和备份内容引擎发送者。 主内容引擎发送者向所选择的内容引擎接收者发送内容的多播消息。 发件人等待来自所选择的内容引擎接收方的否定确认声明声明未收到内容。 如果接收到否定的确认,则发送方将多播消息重新发送预定次数。 如果在多播通过次数耗尽之后仍然没有收到内容,则发送方向仍然请求内容的那些接收方发送单播消息。 如果主发送方没有对否定确认作出响应,则接收方向备份组播发送方发送第二个否定确认。 备份使用否定确认中请求的数据进行响应,因此能够在主发送方停​​止的时间点开始数据分发,而不与主发送方保持同步。