Computer memory system
    1.
    发明授权
    Computer memory system 失效
    计算机内存系统

    公开(公告)号:US4796227A

    公开(公告)日:1989-01-03

    申请号:US27218

    申请日:1987-03-17

    CPC分类号: G11C8/10 G11C11/403 G11C7/065

    摘要: An improved computer memory system based on a novel four transistor memory cell and an improved address decoder circuit is disclosed. The memory cell can be fabricated using currently available logic fabrication processes and requires a silicon area less than that required by prior art static memory cells. The improved decoder can be fabricated in significantly less silicon area than existing NOR gate decoder arrays and is faster than existing NOR gate decoder arrays.

    摘要翻译: 公开了一种基于新颖的四晶体管存储单元和改进的地址解码器电路的改进的计算机存储系统。 可以使用当前可用的逻辑制造工艺来制造存储器单元,并且需要比现有技术的静态存储器单元所需的硅面积小的硅面积。 改进的解码器可以制造成比现有NOR门解码器阵列显着更少的硅面积,并且比现有的NOR门解码器阵列更快。

    Camera exposure indication interface
    3.
    发明授权
    Camera exposure indication interface 有权
    相机曝光指示界面

    公开(公告)号:US07683958B1

    公开(公告)日:2010-03-23

    申请号:US10355750

    申请日:2003-01-31

    IPC分类号: H04N5/222

    CPC分类号: H04N5/2353 H04N5/23293

    摘要: Systems and methods of providing spatially dependent image exposure information to a user of a digital camera. The described approach is applicable to determination of image exposure quality in a digital camera system. In these applications an image is displayed in a first display mode wherein the exposure information is overlaid on the image or in a second display mode wherein the exposure information is eliminated or reduced and thus is less obstructive of the image. In the second display mode, a separate exposure warning optionally conveys a subset of the information displayed in the first display mode. The invention includes a user input operable to temporarily specify a change in the display of the image between the first mode and the second mode while an image is displayed, thus providing the user with direct control of the presence and duration of spatially dependent image exposure information.

    摘要翻译: 向数码相机用户提供空间依赖的图像曝光信息的系统和方法。 所述方法适用于确定数码相机系统中的图像曝光质量。 在这些应用中,以第一显示模式显示图像,其中曝光信息覆盖在图像上或者在其中消除或减少曝光信息并因此对图像的阻碍性较小的第二显示模式中。 在第二显示模式中,单独的曝光警告可选地传送在第一显示模式中显示的信息的子集。 本发明包括用户输入,用于在显示图像时临时指定第一模式和第二模式之间的图像显示的变化,从而为用户提供对空间依赖图像曝光信息的存在和持续时间的直接控制 。

    Color separation prism with adjustable path lengths
    4.
    发明授权
    Color separation prism with adjustable path lengths 失效
    具有可调路径长度的分色棱镜

    公开(公告)号:US06330113B1

    公开(公告)日:2001-12-11

    申请号:US09676192

    申请日:2000-09-28

    IPC分类号: G02B2714

    摘要: A color-separation prism assembly comprises first, second and third prisms. The first and second prisms have entrance surfaces, exit surfaces, and partially-reflecting surfaces, wherein the entrance surface of the second prism is separated by an air gap from the partially-reflecting surface of the first prism. The third prism has an entrance surface and an exit surface, wherein the entrance surface of the third prism is adjacent to the partially-reflecting surface of the second prism. The first prism has a cut-out serving as a flare-stop stop, and providing relief so as to allow the entrance surface of the third prism to slide across a plane disposed over the cut-out into a volume defined by the cut-out. The plane is formed as an extension of the partially-reflecting surface of the first prism. An optical axis passes through the first, second and third prisms. The optical axis passes at normal angles through the entrance surface of the first prism, and the exit surfaces of the first, second and third prisms. The partially reflecting surfaces each have angles-of-incidence of less than 30° relative to the optical axis.

    摘要翻译: 分色棱镜组件包括第一,第二和第三棱镜。 第一和第二棱镜具有入射表面,出射表面和部分反射表面,其中第二棱镜的入射表面由与第一棱镜的部分反射表面的气隙分开。 第三棱镜具有入射面和出射面,其中第三棱镜的入射面与第二棱镜的部分反射面相邻。 第一棱镜具有作为扩张停止挡块的切口,并且提供浮雕,以便允许第三棱镜的入射表面在设置在切口上的平面中滑动成由切口限定的体积 。 该平面形成为第一棱镜的部分反射表面的延伸部。 光轴通过第一,第二和第三棱镜。 光轴以一般角度穿过第一棱镜的入射表面和第一,第二和第三棱镜的出射表面。 部分反射面各自具有相对于光轴小于30°的入射角。

    Adaptive classifier for compound characters and other compound patterns
    5.
    发明授权
    Adaptive classifier for compound characters and other compound patterns 失效
    复合字符和其他复合图案的自适应分类器

    公开(公告)号:US5946410A

    公开(公告)日:1999-08-31

    申请号:US586233

    申请日:1996-01-16

    申请人: Richard F. Lyon

    发明人: Richard F. Lyon

    IPC分类号: G06K9/68 G06K9/66

    CPC分类号: G06K9/6814

    摘要: A statistical classifier utilizes combined output values to determine posterior probabilities for certain output classes. In the field of handwriting recognition, compound characters are factored into classes of base letter forms and diacritical marks. A separate output activation value is produced for each base letter form and each diacritical mark. Pairs of output values, comprised of one value for a base letter form and one value for a diacritical mark, are combined to produce a posterior probability for every possible compound character, without requiring a network output for each possible class.

    摘要翻译: 统计分类器利用组合输出值来确定某些输出类别的后验概率。 在手写识别领域,复合字符被分解成基本字母形式和变音符号。 对于每个基本字母形式和每个变音标记产生单独的输出激活值。 由一个基本字母形式的值组成的输出值对和一个变音符号的一个值组合起来,为每个可能的复合字符产生后验概率,而不需要每个可能的类别的网络输出。

    Digital filter having independent damping and frequency parameters
    6.
    发明授权
    Digital filter having independent damping and frequency parameters 失效
    数字滤波器具有独立的阻尼和频率参数

    公开(公告)号:US5355329A

    公开(公告)日:1994-10-11

    申请号:US990666

    申请日:1992-12-14

    申请人: Richard F. Lyon

    发明人: Richard F. Lyon

    IPC分类号: H03H17/02 H04R25/00 G06F15/31

    CPC分类号: H03H17/0294 H03H2017/0297

    摘要: A filter capable of having its damping and frequency parameters independently varied. The filter can be represented in either a digital or an analog computation network. The network comprises four multipliers for multiplying by a frequency term twice and a damping factor twice. In addition, the network comprises two unit delay blocks for temporarily storing previous signal input values for zeros or output values for poles. These stored values are used in computing subsequent outputs. The multipliers are configured with adders and subtractors to compute a next output value as a combination of a current input, a weight -2+2df+f.sup.2 --wd.sup.2 f.sup.2 times the most recent saved value and a weight 1-2df+wd.sup.2 f.sup.2 times the previous saved value. Moreover, unity gain at DC can be achieved.

    摘要翻译: 能够独立地改变阻尼和频率参数的滤波器。 滤波器可以在数字或模拟计算网络中表示。 网络包括四个乘法器,用于乘以频率项两次,阻尼系数乘以两倍。 此外,该网络包括两个单元延迟块,用于临时存储零的前一个信号输入值或极点的输出值。 这些存储值用于计算后续输出。 乘法器配置有加法器和减法器,用于计算下一个输出值,作为当前输入,最近保存的值的权重-2 + 2df + f2-wd2f2和先前保存的权重的重量1-2df + wd2f2 值。 此外,可以实现DC的单位增益。

    Circuits for wide input range analog rectification and correlation
    7.
    发明授权
    Circuits for wide input range analog rectification and correlation 失效
    宽输入范围的电路模拟整流和相关

    公开(公告)号:US5319268A

    公开(公告)日:1994-06-07

    申请号:US978210

    申请日:1992-11-18

    IPC分类号: G06G7/19 H03B19/00

    CPC分类号: G06G7/1928

    摘要: A first and a second MOS transistor of the same conductivity type are connected in series between a load and a fixed voltage source. The gates of the first and second MOS transistors are connected to sources of input voltage which are of a magnitude smaller than the threshold voltages of the two MOS transistors. The first MOS transistor located next to the load is kept in saturation. A related circuit includes a first and a second MOS transistor of the same conductivity type are connected in series between a load and a fixed voltage source. The first MOS transistor located next to the load is kept in saturation. The gates of the first and second MOS transistors are connected to the gates of third and fourth diode-connected MOS transistors of the same conductivity type as the first and second MOS transistors. The third MOS transistor is connected between a first input current node and a fixed voltage source. The fourth MOS transistor is connected between a second input current node and a fixed voltage source. The third and fourth MOS transistors may alternatively be connected to first and second input transistors and a bias transistor arranged as in a differential amplifier. At least one diode-connected transistor is included in series with at least one of the transistors which has a gate connected to an input voltage.

    摘要翻译: 相同导电类型的第一和第二MOS晶体管串联连接在负载和固定电压源之间。 第一和第二MOS晶体管的栅极连接到比两个MOS晶体管的阈值电压小的输入电压源。 位于负载旁边的第一个MOS晶体管保持饱和。 相关电路包括相同导电类型的第一和第二MOS晶体管串联连接在负载和固定电压源之间。 位于负载旁边的第一个MOS晶体管保持饱和。 第一和第二MOS晶体管的栅极连接到与第一和第二MOS晶体管相同导电类型的第三和第二二极管连接的MOS晶体管的栅极。 第三MOS晶体管连接在第一输入电流节点和固定电压源之间。 第四MOS晶体管连接在第二输入电流节点和固定电压源之间。 第三和第四MOS晶体管可以替代地连接到第一和第二输入晶体管以及与差分放大器一样布置的偏置晶体管。 至少一个二极管连接的晶体管与至少一个具有连接到输入电压的栅极的晶体管串联包括。

    Electronically variable active analog delay line
    8.
    发明授权
    Electronically variable active analog delay line 失效
    电子可变有源模拟延迟线

    公开(公告)号:US4771196A

    公开(公告)日:1988-09-13

    申请号:US81861

    申请日:1987-08-05

    摘要: An electronically variable active analog delay line utilizes cascaded differential transconductance amplifiers with integrating capacitors and negative feedback from the output to the input of each noninverting amplifier. The delay of each section may be controlled through a conductor having distributed resistance connected at distributed points to the transconductance control terminal of the amplifiers with a controllable voltage gradient between the two ends of the conductor. Signals may be coupled in and added to a propagating signal using capacitors, or transconductance amplifiers which may also be of the differential transconductance type, particularly when coupling signals from a second delay line having substantially the same propagation velocity. The differential transconductance amplifiers may be arranged in pairs, each pair with positive feedback from the output terminal of the second to the input terminal of the first amplifier of the pair through a third differential amplifier with positive feedback from its own output terminal. The transconductances of the cascaded amplifiers are controlled in each section to produce the desired time-constant (delay) of the section, and the transconductance of the positive feedback amplifier is controlled for stable operation and gain control of the section.

    摘要翻译: 电子可变有源模拟延迟线采用级联差分跨导放大器,其具有积分电容器和从每个反相放大器的输出到输入的负反馈。 每个部分的延迟可以通过具有分布电阻的导体来控制,该导体在分布点处连接到具有在导体的两端之间的可控电压梯度的放大器的跨导控制端。 信号可以使用电容器或跨导放大器耦合到传播信号中,跨导放大器也可以是差分跨导型,特别是当耦合来自具有基本上相同传播速度的第二延迟线的信号时。 差分跨导放大器可以成对布置,每对具有通过来自其自己的输出端的具有正反馈的第三差分放大器从第二放大器的第二放大器的输出端到第二放大器的输入端的正反馈。 在每个部分中控制级联放大器的跨导,以产生该部分的期望时间常数(延迟),并且控制正反馈放大器的跨导以使该部分的稳定操作和增益控制。

    Imaging array
    9.
    发明授权
    Imaging array 失效
    成像阵列

    公开(公告)号:US4521773A

    公开(公告)日:1985-06-04

    申请号:US296947

    申请日:1981-08-28

    申请人: Richard F. Lyon

    发明人: Richard F. Lyon

    CPC分类号: G06F3/0317

    摘要: An imaging array provides a plurality of distinguishable bitmap images and comprises an array of sensor cells capable of sensing radiation. The cells are connected in a manner to form distinguishable bitmap images through a pattern of correspondence among the cells. Each bitmap image formed comprises a combination of one or more cells indicative of detecting an image pixel within a field of array cells that have been nonindicative of such detection. The pattern of correspondence may be one of inhibition of the operation of other cells in the array or one of indication of operation to other cells in the array. Various patterns of correspondence can be created among the cells creative of bitmap images. Bitmap images may consist of combinations of responsive cells within a field of nonresponsive cells in the array. For example, each bitmap image may comprise radiation responsive array cells that have sensed a sufficient quantity of radiation within a field of cells which have not sensed radiation or have been inhibited from sensing radiation. On the other hand, each bitmap image may comprise array cells that have not sensed a sufficient quantity of radiation within a field of cells that have sensed a sufficient quantity of radiation. An application of the imaging array is in an IC chip for a cursor control device or an "optical mouse" for use with an interactive display oriented computer system to provide movement for a visible cursor from position to position on a display screen of such a system.

    摘要翻译: 成像阵列提供多个可区分的位图图像,并且包括能够感测辐射的传感器单元的阵列。 单元以通过单元之间的对应图案形成可分辨的位图图像的方式连接。 形成的每个位图图像包括指示检测阵列单元的场内的图像像素的一个或多个单元的组合,其已经不是这种检测的指示。 对应的模式可以是抑制阵列中其他小区的操作或对阵列中的其他小区的操作的指示之一。 可以在位图图像的单元格创意中创建各种图形对应关系。 位图图像可以由阵列中非响应单元的场内的响应单元的组合组成。 例如,每个位图图像可以包括辐射响应阵列单元,其已经感测到在没有感测到辐射或已被抑制感测辐射的单元的场内的足够量的辐射。 另一方面,每个位图图像可以包括没有感测到已经感测到足够数量的辐射的小区内的足够数量的辐射的阵列单元。 成像阵列的应用在用于光标控制装置的IC芯片或用于与面向交互式显示器的计算机系统一起使用的“光学鼠标”,以在这种系统的显示屏上提供可视光标从位置到位置的移动 。

    Cursor control device
    10.
    发明授权
    Cursor control device 失效
    光标控制装置

    公开(公告)号:US4521772A

    公开(公告)日:1985-06-04

    申请号:US457805

    申请日:1983-01-13

    申请人: Richard F. Lyon

    发明人: Richard F. Lyon

    IPC分类号: G06F3/03 G06F3/033 G09G1/00

    CPC分类号: G06F3/0317

    摘要: A cursor control device or "optical mouse" for use with an interactive display oriented computer system to provide movement for a visible cursor from position to position on a display screen of such a system. The device includes an IC chip that contains an optical sensor array and circuitry to bring about detectable bitmaps based upon a plurality of sensor cells making up the array. The distinguishable bitmaps are employed as a means for comparison to provide an output indicative of the direction and amount of movement of the cursor control device relative to an optical contrasting input to the array, the output is employed as a means to move the visible cursor from position to position on a display screen.

    摘要翻译: 用于与面向交互式显示器的计算机系统一起使用的光标控制设备或“光学鼠标”,以在这种系统的显示屏上提供可视光标从位置到位置的移动。 该装置包括IC芯片,其包含光学传感器阵列和基于构成该阵列的多个传感器单元产生可检测位图的电路。 可区分的位图用作比较装置,以提供指示光标控制装置相对于阵列的光学对比输入的方向和移动量的输出,该输出被用作将可视光标从 位置到显示屏上的位置。