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    • 1. 发明授权
    • Volume control device
    • 音量控制装置
    • US5394476A
    • 1995-02-28
    • US992356
    • 1992-12-17
    • Norman T. RollinsKing F. Lee
    • Norman T. RollinsKing F. Lee
    • H03G3/00H03G3/04H04B1/10
    • H03G3/04H03G3/001
    • A volume control circuit comprises a variable gain stage (306), having a variable gain, and an up/down counter (324) for counting. The counter (324) has a counter input (321) and a counter output (333) for providing a first word (333) for controlling the gain of the gain stage. A microprocessor interface (326) includes an interface output (323) for providing a second word. A digital magnitude comparator (333) compares the first (323) and second (333) words. The comparator having a first input (333) connected to the counter output, a second input connected to the interface output (323), and a comparator output connected to the counter input (321), provides a count signal (329) if the words do not match and for providing a non-count signal (329) if the words match. Thus, responsive to the count signal (329), the up/down counter (324), counts from the first word, in a direction approaching the second word by a least significant bit to form a new first word, for controlling the gain of the gain stage.
    • 音量控制电路包括具有可变增益的可变增益级(306)和用于计数的上/下计数器(324)。 计数器(324)具有用于提供用于控制增益级的增益的第一字(333)的计数器输入(321)和计数器输出(333)。 微处理器接口(326)包括用于提供第二字的接口输出(323)。 数字量值比较器(333)比较第一(323)和第二(333)字。 比较器具有连接到计数器输出端的第一输入端(333),连接到接口输出端(323)的第二输入端和连接到计数器输入端(321)的比较器输出端,如果这些字 如果词匹配,则不匹配并提供非计数信号(329)。 因此,响应计数信号(329),上/下计数器(324)从接近第二个字的方向从第一个字计数最小有效位以形成一个新的第一个字,用于控制增益的增益 增益阶段。
    • 4. 发明申请
    • CARBON NANOTUBE CIRCUITS DESIGN METHODOLOGY
    • 碳纳米管电路设计方法
    • US20090217216A1
    • 2009-08-27
    • US11680350
    • 2007-02-28
    • King F. LeeIslamshah S. Amlani
    • King F. LeeIslamshah S. Amlani
    • G06F17/50
    • G06F17/5045B82Y10/00H01L23/53276H01L51/0048H01L2924/0002H01L2924/00
    • A methodology is provided for optimizing circuit parameters of circuits including carbon nanotube transistors. The method comprises mapping (122) selected transistor design parameters (118), based on carbon nanotube process parameters (120) and selected circuit topologies (114), into carbon nanotube physical attributes. A circuit layout is generated (124) from the carbon nanotube physical attributes and simulated (128). The steps are repeated until circuit specifications (130) are met. The carbon nanotube physical attributes may include, for example, the catalyst width (74) for growing a plurality of carbon nanotubes (72) or number of segments in a serpentine electrode structure (88, 89, 90) contacting a single carbon nanotube (81).
    • 提供了一种用于优化包括碳纳米管晶体管在内的电路的电路参数的方法。 该方法包括将选择的晶体管设计参数(122)基于碳纳米管工艺参数(120)和所选择的电路拓扑(114)映射(122)成碳纳米管物理属性。 从碳纳米管的物理属性(128)生成电路布局(124)。 重复步骤直到电路规格(130)满足。 碳纳米管物理属性可以包括例如用于生长与单个碳纳米管(81)接触的蛇形电极结构(88,89,90)中的多个碳纳米管(72)或多个段的催化剂宽度(74) )。
    • 7. 发明授权
    • Multicolor light sensing pixel structure
    • 多色感光像素结构
    • US07209172B2
    • 2007-04-24
    • US10387746
    • 2003-03-13
    • Kevin W. JelleyKing F. Lee
    • Kevin W. JelleyKing F. Lee
    • H04N5/335H01L31/00
    • H04N9/045H04N5/3696H04N5/37455H04N2209/043H04N2209/044
    • A photodiode structure (300) includes a first plurality of co-located light band detectors that generate analog detector signals, a first multiplexing circuit (440) coupled to the first plurality of analog detector signals, which sequentially generates each of the first plurality of analog detector signals at a first multiplexed output (444), a second multiplexing circuit (445) coupled to a first plurality of reference signals, which sequentially generates at a second multiplexed output (449) each of the first plurality of reference signals in synchronism with the first multiplexed output (444); and a single digital pixel sensor circuit (315) having inputs coupled to the first and second multiplexed outputs, which sequentially generates a series of digital outputs based on the first and second multiplexed outputs (444. 449).
    • 光电二极管结构(300)包括产生模拟检测器信号的第一多个同位置的光带检测器,耦合到第一多个模拟检测器信号的第一多路复用电路(440),其顺序地产生第一多个模拟 第一复用输出(444)的检测器信号,耦合到第一多个参考信号的第二多路复用电路(445),其以第二多路复用输出(449)顺序地产生与第一多个参考信号同步的第一多个参考信号 第一复用输出(444); 以及具有耦合到第一和第二多路复用输出的输入的单个数字像素传感器电路(315),其基于第一和第二复用输出顺序地产生一系列数字输出(444.449)。
    • 10. 发明授权
    • Character segmentation method and apparatus
    • 字符分割方法和装置
    • US07302098B2
    • 2007-11-27
    • US11004738
    • 2004-12-03
    • Bei TangKing F. Lee
    • Bei TangKing F. Lee
    • G06K9/34
    • G06K9/325
    • An electronic device (1100) and a method for character segmentation (100) includes an image analyzer (1110) that generates individual character images. The image analyzer binarizes (115) a gray scale image (200) of a horizontal row of characters by using a general threshold method to generate a first image (300). The image analyzer also binarizes (120) the gray scale image using an edge detection method to generate a second image (405). The image analyzer determines (125) a character row region (425) of the second image by using horizontal projection analysis. The image analyzer isolates (130) the character row region of the first image using the character row region of the second image. The image analyzer uses the character row region to generate (135) individual character images. The electronic device may include an image capture device (1105) and a character recognition program (1115).
    • 一种电子设备(1100)和一种用于字符分割(100)的方法包括产生单个字符图像的图像分析器(1110)。 图像分析器通过使用通用阈值方法来二值化(115)水平行字符的灰度图像(200)以生成第一图像(300)。 图像分析器还使用边缘检测方法二值化(120)灰度图像以生成第二图像(405)。 图像分析器通过使用水平投影分析来确定(125)第二图像的字符行区域(425)。 图像分析器使用第二图像的字符行区域隔离(130)第一图像的字符行区域。 图像分析仪使用字符行区域来生成(135)个别字符图像。 电子设备可以包括图像捕获设备(1105)和字符识别程序(1115)。