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公开(公告)号:US06198101B1
公开(公告)日:2001-03-06
申请号:US09149483
申请日:1998-09-08
申请人: Kevin Brown , Robert J. Martin
发明人: Kevin Brown , Robert J. Martin
IPC分类号: H01L2906
CPC分类号: B82Y20/00 , H01L27/14652 , H01L31/035236
摘要: A quantum well infrared photodetector includes a direct connection between the charge well and detector that induces a nonlinear dynamic bias. This dynamic bias advantageously corrects for nonuniformity in the conductance of the detector. In another feature, the charge well is fabricated on the detector element by adding an extra contact layer and a dielectric layer to a standard quantum well. Very dense focal plane arrays can be produced by making the charge well a part of the infrared detector.
摘要翻译: 量子阱红外光电检测器包括电荷阱和检测器之间的直接连接,其引起非线性动态偏置。 该动态偏置有利地校正了检测器电导的不均匀性。 在另一个特征中,通过向标准量子阱添加额外的接触层和电介质层,在检测器元件上制造电荷阱。 可以通过使红外检测器的一部分充分充电来产生非常密集的焦平面阵列。
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公开(公告)号:US06135239A
公开(公告)日:2000-10-24
申请号:US944756
申请日:1997-10-06
摘要: A self-contained fire escape apparatus for mounting in a wall of a building adjacent an associated window includes a collapsible ladder. A cover is securely attached to a first end of the ladder. A box is configured to provide storage space for the ladder and defines a bottom wall, front and rear walls, a pair of sidewalls, and an opening in the front wall. A second end of the ladder is securely anchored to the box. The cover is releasably attached to the box to cover at least a portion of the opening such that a person can manually remove the cover and eject the cover and the first end of the ladder through the associated window. The box is configured for mounting within a building wall in close reception between a pair of upright structural members of the building wall. The collapsible ladder 2 is sufficiently small in its collapsed condition that it fits within the box 8 for storage. The ladder preferably includes a handle link with at least three elongate rigid handle sections that are rigidly interconnected. At least two of the handle sections form integral stand-offs that abut a flat surface to thereby support a first handle section in a spaced-apart relationship from the flat surface such that a person using the ladder can easily and securely grasp the first handle section.
摘要翻译: 用于安装在邻近相关窗口的建筑物的墙壁中的独立式防火装置包括可折叠梯子。 盖子牢固地连接到梯子的第一端。 箱被配置成为梯子提供存储空间,并且限定了底壁,前壁和后壁,一对侧壁和前壁中的开口。 梯子的第二端牢固地固定在箱子上。 盖可释放地附接到盒子以覆盖开口的至少一部分,使得人可以手动地移除盖并且通过相关联的窗口弹出盖子和梯子的第一端。 该箱被配置为在建筑物墙壁的一对直立结构构件之间的紧密接收中安装在建筑物墙壁内。 可折叠的梯子2在其折叠状态下足够小,以使其能够装配在盒子8内用于储存。 梯子优选地包括具有刚性互连的至少三个细长的刚性手柄部分的手柄连杆。 手柄部分中的至少两个形成与平坦表面邻接的一体的支座,从而以与平坦表面隔开的关系支撑第一手柄部分,使得使用梯子的人可以容易且牢固地抓握第一手柄部分 。
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公开(公告)号:US5909225A
公开(公告)日:1999-06-01
申请号:US866694
申请日:1997-05-30
CPC分类号: G09G5/393 , G09G2360/02 , G09G2360/121
摘要: A frame buffer cache includes a dual-input, dual-output storage cell to multiplex frame buffer tile data and pixel data. Tile data stored in one format while pixel data is stored in a second format. The cache allows for buffering the data in the two different formats so as to provide the data in the format as needed. Pixel data is retrieved from the tile data and file data is retrieved from the pixel data. The storage cell includes a multiple-bit latch and tri-state buffers which connect each storage cell to a tile data bus and a pixel data bus. A number of bus lines and components are reduced due to the use of the tri-state buffers.
摘要翻译: 帧缓冲器高速缓存包括双输入双输出存储单元,用于复用帧缓冲器块数据和像素数据。 以一种格式存储数据,同时以第二种格式存储像素数据。 缓存允许以两种不同格式缓冲数据,以便根据需要提供格式的数据。 从瓦片数据检索像素数据,并从像素数据中检索文件数据。 存储单元包括将每个存储单元连接到瓦片数据总线和像素数据总线的多位锁存器和三态缓冲器。 由于使用三态缓冲器,许多总线线路和组件被减少。
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公开(公告)号:US5701010A
公开(公告)日:1997-12-23
申请号:US574145
申请日:1995-12-18
申请人: Robert J. Martin
发明人: Robert J. Martin
IPC分类号: H01L27/146 , G01J1/00
CPC分类号: H01L27/14643
摘要: A detector array of a plurality of photodetector cells is provided which operates in two spectral bands by utilizing a polarity reversing multiplexer for directly reversing the polarity of different types of photodetector pairs. More particularly, long wave photoconductive quantum well detectors and near infrared photovoltaic detectors may be advantageously interconnected to supply the two detectors with different bias voltage levels by a polarity reversal function. This polarity reversal function exploits the low and high impedance characteristics of the detectors for enhancing the electrical interconnection. As a result, the system optimally changes the operation of the detector array from one photospectral band to another to take advantage of the electrical interconnection characteristics of both devices. As a further advantage, the circuitry used may be simplified for eliminating bias lines. Thereby, the fill factor of the sensor array is increased by reducing the number of connection nodes or bumps to bias lines which provides a larger active area for the sensor array.
摘要翻译: 提供了多个光电检测器单元的检测器阵列,其通过利用极性反转多路复用器直接反转不同类型的光电检测器对的极性而在两个光谱带中操作。 更具体地,长波光导量子阱检测器和近红外光电检测器可以有利地互连,以通过极性反转功能为具有不同偏置电压电平的两个检测器提供。 该极性反转功能利用检测器的低阻抗和高阻抗特性来增强电互连。 因此,系统将检测器阵列的操作从一个光谱带最佳地改变到另一个,以利用两个器件的电气互连特性。 作为进一步的优点,所使用的电路可以被简化以消除偏置线。 因此,传感器阵列的填充因子通过将连接节点或凸块的数量减少到为传感器阵列提供更大的有效面积的偏置线而增加。
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公开(公告)号:US5082301A
公开(公告)日:1992-01-21
申请号:US601226
申请日:1990-10-22
摘要: A mobile work station for a painter or the like comprising a tray to hold paint containers and tools, four legs with wheels and a handle. The tray may be divided into compartments to more securely hold the paint containers. The legs are pivotally mounted and may swivel through 270.degree. for storage in the tray for ease of storage and transport. The legs may be secured in the depending and in the stored positions. A removable shelf may be attached to the work station to hold accessory equipment, tools and personal items. A carrying strap is provided to facilitate transport of the work station.
摘要翻译: 一种用于画家等的移动工作站,包括用于容纳油漆容器和工具的托盘,具有轮子和手柄的四个腿。 托盘可以分成隔间,以更牢固地保持油漆容器。 腿部枢转安装,可以旋转270度,以便存放在托盘中,便于存放和运输。 腿可以固定在固定位置和存储位置。 可移动的架子可以附接到工作站以保持附件设备,工具和个人物品。 提供携带带以方便运送工作站。
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公开(公告)号:US4993726A
公开(公告)日:1991-02-19
申请号:US371032
申请日:1989-06-26
摘要: A mobile work station for a painter or the like comprising a tray to hold paint containers and tools, four legs with wheels and a handle. The tray may be divided into compartments to more securely hold the paint containers. The legs are pivotally mounted and may swivel through 270.degree. for storage in the tray for ease of storage and transport. The legs may be secured in the depending and in the stored positions. A removable shelf may be attached to the work station to hold accessory equipment, tools and personal items. A carrying strap is provided to facilitate transport of the work station.
摘要翻译: 一种用于画家等的移动工作站,包括用于容纳油漆容器和工具的托盘,具有轮子和手柄的四条腿。 托盘可以分成隔间,以更牢固地保持油漆容器。 腿部枢转安装,可以旋转270度,以便存放在托盘中,便于存放和运输。 腿可以固定在固定位置和存储位置。 可移动的架子可以附接到工作站以保持附件设备,工具和个人物品。 提供携带带以方便运送工作站。
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公开(公告)号:US4977380A
公开(公告)日:1990-12-11
申请号:US279043
申请日:1988-12-02
申请人: Robert J. Martin , Barry L. Lane
发明人: Robert J. Martin , Barry L. Lane
IPC分类号: H03B5/36
CPC分类号: H03B5/366
摘要: The electronically tuned power oscillator (ETPO) of the present invention provides a method and apparatus that drives a narrow-band (high Q) transducer over a relatively broad band of frequencies. A pseudo-random sequence generator dynamically switches a bank of capacitors varying the resonant frequency of the power oscillator. A node on the power oscillator provides the clock for the pseudo-random sequence generator thereby providing a synchronized frequency change on every time varying cycle.
摘要翻译: 本发明的电子调谐功率振荡器(ETPO)提供了一种在相对宽的频带上驱动窄带(高Q)换能器的方法和装置。 伪随机序列发生器动态地切换改变功率振荡器的谐振频率的电容器组。 功率振荡器上的节点为伪随机序列发生器提供时钟,从而在每个时变周期上提供同步的频率变化。
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公开(公告)号:US4510033A
公开(公告)日:1985-04-09
申请号:US621938
申请日:1984-06-18
CPC分类号: C25C3/14
摘要: Apparatus for removing frozen electrolyte bath from surface portions of an electrode body, the apparatus having crust breakers adapted to penetrate and fracture the crust which breaks into discrete pieces and which separates from the body. The crust breakers are attached to a frame through a linkage system which is adapted to move the breakers along a line of travel substantially adjacent to the salt encrusted surfaces of the body. With application of sufficient power to the crust breakers to penetrate and fracture the crust, substantially all of the crust is removed from the electrode body with minimal generation of dust and noise.
摘要翻译: 用于从电极体的表面部分去除冷冻电解质浴的装置,该装置具有适于穿透和断裂断裂成分立的碎片并且与身体分离的外壳的外壳断裂器。 地壳断路器通过连接系统附接到框架,该连杆系统适于沿着基本上邻近主体的盐结合表面的行进线移动断路器。 通过向地壳破碎机施加足够的动力来穿透和断裂地壳,基本上所有的地壳都从电极体中移除,并且产生的灰尘和噪音最小。
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公开(公告)号:US4373869A
公开(公告)日:1983-02-15
申请号:US180550
申请日:1980-08-22
摘要: A warm-up valve in a load responsive hydraulic system which connects the pump discharge pressure with the pump compensator while bypassing to reservoir a partial capacity of the pump. When proper reservoir temperature is reached, a thermostatically controlled solenoid closes the warm-up valve causing the pump to return to low pressure standby.
摘要翻译: 负载响应液压系统中的预热阀,其将泵排出压力与泵补偿器连接,同时旁路到储存器的泵的部分容积。 当达到适当的油藏温度时,恒温控制螺线管关闭预热阀,使泵恢复到低压备用。
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