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    • 3. 发明申请
    • ESD PROTECTION FOR OVERVOLTAGE FRIENDLY INPUT/OUTPUT CIRCUITS
    • 过电压输入/输出电路的ESD保护
    • WO1997015975A1
    • 1997-05-01
    • PCT/US1996016820
    • 1996-10-25
    • DAVID SARNOFF RESEARCH CENTER, INC.
    • DAVID SARNOFF RESEARCH CENTER, INC.AVERY, Leslie, Ronald
    • H02H09/00
    • H01L27/0251H01L27/0255H03K19/00315
    • An electrostatic discharge (ESD) protection circuit includes an input terminal (11), a power supply line (13) and a source of reference potential (10). The circuit also includes a dummy supply line (15). A Schottky barrier diode (20) is connected between the input terminal and the power supply line for blocking voltages from the input terminal which are greater than the power supply voltage. A first clamping structure (21) is connected between the dummy supply line and the source of reference potential, and a second clamping structure (14) is connected between the power supply line and the source of reference potential. A first clamping diode (17) is connected between the input terminal and the dummy supply line and a second clamping diode (16) is connected between the input terminal and the source of reference potential.
    • 静电放电(ESD)保护电路包括输入端子(11),电源线(13)和基准电位源(10)。 电路还包括虚拟电源线(15)。 肖特基势垒二极管(20)连接在输入端子和电源线之间,用于阻断来自输入端子的电压大于电源电压。 第一钳位结构(21)连接在虚拟电源线和参考电位源之间,第二钳位结构(14)连接在电源线和参考电位源之间。 第一钳位二极管(17)连接在输入端和虚拟电源线之间,第二钳位二极管(16)连接在输入端和参考电位源之间。
    • 6. 发明申请
    • METHOD AND SYSTEM FOR OBJECT DETECTION FOR INSTRUMENT CONTROL
    • 用于仪器控制的物体检测方法和系统
    • WO1996041305A1
    • 1996-12-19
    • PCT/US1996008624
    • 1996-06-05
    • DAVID SARNOFF RESEARCH CENTER, INC.
    • DAVID SARNOFF RESEARCH CENTER, INC.MATEY, James, R.ACETI, John, G.PLETCHER, Timothy, A.
    • G06K09/78
    • G06K9/46
    • An apparatus for controlling an instrument is provided. The device may be a cutting tool for use in surgery. The apparatus comprises a marker (22) having a predetermined color. The marker is applied to the specific device or tool (20) to form a marked device. An imager (50) generates video signals representing a color image of the defined area. A color detector (70) processes the imager signals to detect a range of colors in the image represented by the imager signals. The range of colors includes the predetermined color. The color detector provides an output signal representing instances of signals in the detected color range. A detection mechanism processes the output signal of the color detector to provide an indication of whether the detected instances represented by the output signal conform to the marked device. A control mechanism (80) disables the marked device if the detected instances do not conform to the marked device, in response to the indication provided by the detection mechanism.
    • 提供一种用于控制仪器的装置。 该装置可以是用于手术的切割工具。 该装置包括具有预定颜色的标记(22)。 将标记应用于特定装置或工具(20)以形成标记装置。 成像器(50)产生表示所定义区域的彩色图像的视频信号。 颜色检测器(70)处理成像器信号以检测由成像器信号表示的图像中的颜色范围。 颜色的范围包括预定的颜色。 颜色检测器提供表示检测到的颜色范围中的信号的实例的输出信号。 检测机构处理颜色检测器的输出信号以提供由输出信号表示的检测到的实例是否符合标记的设备的指示。 如果检测到的实例不符合标记的设备,则控制机构(80)响应于由检测机构提供的指示而禁用标记的设备。
    • 7. 发明申请
    • SINGLE OSCILLATOR COMPRESSED DIGITAL INFORMATION RECEIVER
    • 单振荡器压缩数字信息接收器
    • WO1996028918A1
    • 1996-09-19
    • PCT/US1996003294
    • 1996-03-15
    • DAVID SARNOFF RESEARCH CENTER, INC.
    • DAVID SARNOFF RESEARCH CENTER, INC.STROLLE, Christopher, HughJAFFE, Steven, ToddLYONS, Paul, Wallace
    • H04L27/06
    • H04L7/0029H04L7/0278H04N21/242H04N21/4302H04N21/4382H04N21/4384
    • A digital information receiver (100) having a single oscillator (118) providing a clock signal to the receiver circuitry. The receiver (100) contains, in addition to the oscillator (118), an input signal processor (102), a symbol time loop, a demodulator (106), a transport decoder (108), a transport timing loop, one or more applications decoders (102) and a presentation device (116). The input signal processor (102) digitizes an input signal and resamples the input signal using an interpolator (204) such that the input signal is optimally sampled. The resampling is controlled by a symbol timing loop. In a first embodiment, the transport timing loop controls the frequency of the oscillator (118) using transmitter timing information contained in the received signal. In the second embodiment, the oscillator (1202) is a free running oscillator and the transport timing loop controls a numerically controlled counter (1002) that, in turn, controls presentation timing of the information carried by the information in the input signal. After the input signal is decoded, an output interpolator (1204) generates continuous signals from somewhat bursty signals for utilization by the presentation device.
    • 具有向接收器电路提供时钟信号的单个振荡器(118)的数字信息接收器(100)。 除了振荡器(118)之外,接收器(100)还包含输入信号处理器(102),符号时间循环,解调器(106),传输解码器(108),传输定时循环,一个或多个 应用解码器(102)和呈现设备(116)。 输入信号处理器(102)将输入信号数字化并使用内插器(204)对输入信号进行再采样,使得输入信号被最佳地采样。 重采样由符号定时循环控制。 在第一实施例中,传输定时环路使用包含在接收信号中的发射机定时信息来控制振荡器(118)的频率。 在第二实施例中,振荡器(1202)是自由运行的振荡器,并且传输定时环控制数控计数器(1002),进而控制由输入信号中的信息携带的信息的呈现定时。 在输入信号被解码之后,输出内插器(1204)从一些突发信号产生连续的信号,以供显示设备利用。
    • 8. 发明申请
    • METHOD FOR ESTIMATING THE LOCATION OF AN IMAGE TARGET REGION FROM TRACKED MULTIPLE IMAGE LANDMARK REGIONS
    • 从跟踪多个图像地理区域估计图像目标区域的位置的方法
    • WO1996024113A1
    • 1996-08-08
    • PCT/US1996000720
    • 1996-01-30
    • DAVID SARNOFF RESEARCH CENTER, INC.
    • DAVID SARNOFF RESEARCH CENTER, INC.HANNA, Keith, JamesKUMAR, Rakesh
    • G06K09/00
    • H04N5/2723H04N5/272
    • An image processing method for inserting a given pattern at a target region (304A) having a particular location with respect to a scene being viewed by an image sensor (300A) over a period of time, wherein the method employs a world map (332) having stored therein the relative position of the location and pose of multiple pre-trained reference image patterns of landmark regions (A, B, C, D, and E) in the scene with respect to that of the target region. The method comprises dynamic computation steps for inferring the size and position of the particular location within each ongoing successive image frames of the scene from the shape, size and position of at least one of said multiple landmark regions represented within each of successive image frames of the scene, despite inaccuracies in the parametric model estimation relating the current image with pre-trained reference image and changes over time in the shape, size and position.
    • 一种用于在具有特定位置的目标区域(304A)上插入给定图案的图像处理方法,所述特定位置相对于在一段时间内由图像传感器(300A)观看的场景,其中所述方法采用世界地图(332) 其中存储有相对于目标区域的场景中的地标区域(A,B,C,D和E)的多个预先训练的参考图像图案的位置和姿态的相对位置。 该方法包括动态计算步骤,用于从场景的每个连续图像帧内的每个正在进行的连续图像帧中的特定位置的大小和位置,根据所述场景的连续图像帧的形状,大小和位置, 场景,尽管参数模型估计中的不准确性使当前图像与预先训练的参考图像相关,并且随着时间的推移在形状,大小和位置上的变化。
    • 10. 发明申请
    • METHOD OF PREPARING SMALL PARTICLE SIZE PHOSPHORS
    • 制备小粒径磷光体的方法
    • WO1996001297A1
    • 1996-01-18
    • PCT/US1995007869
    • 1995-07-03
    • DAVID SARNOFF RESEARCH CENTER, INC.
    • DAVID SARNOFF RESEARCH CENTER, INC.KANE, James
    • C09K11/84
    • C09K11/7771C01F17/0093C01P2004/03C01P2004/32C01P2004/61C01P2004/62
    • A process for preparing phosphor particles having a particle size of 1 micron or less and that are spherical in shape. Such phosphors are useful, for example, as upconverter phosphors in labels for immunoassays. The process comprises preparing a dilute solution of soluble salts of the rare earth metals in amounts required to make the desired phosphor, adding a chemical agent that releases hydroxyl ions, precipitating small spherical particles of a rare earth hydroxycarbonate compound, heating the particles in oxygen at a limited temperature to form the corresponding trioxide particles, and heating the trioxide particles in a sulfur-containing flux in the absence of oxygen at a temperature no higher than about 900 DEG C to convert the trioxide particles to the corresponding oxysulfide phosphor particles.
    • 一种制备粒径为1微米或更小并且呈球形的荧光体颗粒的方法。 这样的磷光体可用作例如免疫测定标签中的上变频荧光体。 该方法包括以制备所需荧光体所需的量制备稀土金属的可溶性盐的稀释溶液,加入释放羟基离子的化学试剂,沉淀稀土类羟基碳酸酯化合物的小球形颗粒,将氧气中的颗粒加热 有限的温度以形成相应的三氧化物颗粒,并且在不存在氧的情况下在不高于约900℃的温度下加热含硫助焊剂中的三氧化硫颗粒,以将三氧化硅颗粒转化为相应的氧硫化物荧光体颗粒。