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    • 5. 发明申请
    • MULTIPLYING ANALOG TO DIGITAL CONVERTER AND METHOD
    • 将数字模拟转换为数字转换器和方法
    • US20160248437A1
    • 2016-08-25
    • US15049752
    • 2016-02-22
    • Jintao ZhangZhuo WangNaveen Verma
    • Jintao ZhangZhuo WangNaveen Verma
    • H03M1/44
    • H03M1/1245H03M1/1071H03M1/442H03M1/466
    • A multiplying analog to digital converter (ADC) including a successive-approximation-register (SAR) analog to digital converter (ADC) having a sample input and a feedback input and an ADC output configured with a feedback path configured to couple the ADC output to a digital to analog converter. A feedback attenuator is disposed in the feedback path, the feedback attenuator being configured to attenuate a feedback signal coupled to the feedback input, the feedback attenuator being configured to provide analog multiplication observed at the ADC output. A barrel shifter is configured to provide digital multiplication of the ADC output. The feedback attenuator may be configured as a divider network. The feedback attenuator may be configured to provide attenuation using only passive components. The feedback attenuator may be configured as a capacitive divider network. The feedback attenuator may be configured to provide attenuation ranging between 1 and 0.5.
    • 包括具有采样输入和反馈输入的逐次逼近寄存器(SAR)模数转换器(ADC)的乘法模数转换器(ADC)和被配置为将ADC输出耦合到 一个数模转换器。 反馈衰减器设置在反馈路径中,反馈衰减器被配置为衰减耦合到反馈输入的反馈信号,该反馈衰减器被配置为提供在ADC输出处观察到的模拟乘法。 桶形移位器被配置为提供ADC输出的数字乘法。 反馈衰减器可以被配置为分频器网络。 反馈衰减器可以被配置为仅使用无源部件来提供衰减。 反馈衰减器可以被配置为电容分压网络。 反馈衰减器可以被配置为提供范围在1和0.5之间的衰减。
    • 6. 发明申请
    • LENSES AND LIGHTING DEVICES INCLUDING SAME
    • 包括其中的镜头和照明装置
    • US20150345742A1
    • 2015-12-03
    • US14722225
    • 2015-05-27
    • Bruce RadlZhuo WangYvetta Pols Sandhu
    • Bruce RadlZhuo WangYvetta Pols Sandhu
    • F21V7/00
    • F21V7/0091F21S41/285F21S41/29F21V5/02F21V5/045F21V5/08G02B3/08G02B19/0061G02F2001/133607
    • Optical components for lighting devices and lighting devices including such components are described. In some embodiments the optical components are in the form of a lens that alter the distribution of light produced by a lighting fixture. In some embodiments, the lenses are in the form of a downlight to wallwash lens which, when placed in a downlight fixture, convert the light distribution to that of a wallwash fixture, e.g., causing the downlight to produce an off-axis light distribution, without changing the fixture. The lens includes a body with a light source facing side and an opposite room facing side having two optically active regions, each including structures that redirect a portion of light received through the light source facing side and incident thereon. The first region includes structures that redirect, via refraction, and the second region includes structures that redirect, in part via total internal reflection.
    • 描述了用于照明装置和包括这些部件的照明装置的光学部件。 在一些实施例中,光学部件是改变由照明器具产生的光的分布的透镜的形式。 在一些实施例中,透镜呈筒灯的形式,其形成为壁灯透镜,当被放置在筒灯中时,其将光分布转换成壁洗夹具的光分布,例如使得筒灯产生离轴光分布, 不改变灯具。 透镜包括具有光源面对侧的主体和面向对面的具有两个光学有源区域的主体,每个光学活动区域包括使通过光源面向侧接收的光的一部分重定向并入射到其上的结构。 第一区域包括通过折射重定向的结构,并且第二区域包括通过全内反射部分地重定向的结构。