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61.发明授权
公开(公告)号：US5446355A
公开(公告)日：1995-08-29
申请号：US127844
申请日：1993-09-28
CPC分类号： B41J11/42
摘要： A media transport system for controlling the position and velocity of media in a document production apparatus marking engine having a media positioning system driven by a motor, includes a motion control loop to control the motor; a sensor adapted to detect the position of the media and to create a trigonometric signal characteristic of the position of the media, the trigonometric signal comprising frequency and phase components; a resolver electronics subsystem adapted to trigonometrically process the trigonometric signal to create a resolved signal; and means for comparing the resolved signal to a reference clock signal of predetermined frequency and phase to provide an error signal used to control the motor that drives the media positioning system. The trigonometric signal may include a sine portion and a cosine portion. The sine portion of the trigonometric signal is sin(.omega..sub.e *t+.phi..sub.e) and the cosine portion of the trigonometric signal is cos(.omega..sub.e *t+.phi..sub.e); where .omega..sub.e is the trigonometric signal frequency component, .phi..sub.e is the trigonometric signal phase component, and t is the time. The resolver electronics subsystem may include a first multiplier adapted to output the product of the sine portion of the trigonometric signal and a reference cosine command cos(.omega..sub.r *t+.phi..sub.r); a second multiplier adapted to output the product of cosine portion of the trigonometric signal and a reference sine command sin(.omega..sub.r *t+.phi..sub.r), where .omega..sub.r is the frequency of the reference command and .phi..sub.r is the phase of the reference command; and means to add the outputs of the first and second multipliers.
摘要翻译： 一种用于控制具有由电动机驱动的介质定位系统的文件生产设备标记引擎中的介质的位置和速度的介质传送系统，包括用于控制电动机的运动控制回路; 传感器，其适于检测介质的位置并且产生介质位置的三角信号特征，所述三角信号包括频率和相位分量; 旋转变压器电子系统子系统，用于三角地处理三角信号以产生分辨的信号; 以及用于将分辨的信号与预定频率和相位的参考时钟信号进行比较以提供用于控制驱动媒体定位系统的电动机的误差信号的装置。 三角信号可以包括正弦部分和余弦部分。 三角信号的正弦部分为sin（ωe * t + phi e），三角信号的余弦部分为cos（ωe * t + phi e）; 其中，ωe是三角信号频率分量，phi是三角信号相位分量，t是时间。 解算器电子子系统可以包括适于输出三角信号的正弦部分和参考余弦指令cos（ωr * t + phi r）的乘积的第一乘法器; 适于输出三角信号的余弦部分的乘积和参考正弦指令sin（ωr * t + phi r）的第二乘法器，其中ωr是参考命令的频率，并且phi是参考命令的相位 ; 以及用于添加第一和第二乘法器的输出的装置。
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62.发明授权
公开(公告)号：US5418558A
公开(公告)日：1995-05-23
申请号：US57943
申请日：1993-05-03
CPC分类号： B41J2/04513 , B41J2/04536 , B41J2/0454 , B41J2/04563 , B41J2/0458 , B41J2/04588
摘要： A method for operating a thermal ink jet printer including a printhead having ink firing heater resistors responsive to pulses provided to the printhead. A sequence of pulse bursts of respective increasing or decreasing pulse energies that span a predetermined pulse energy range is applied to the printhead, each pulse burst comprised of a plurality of pulses having a pulse energy that is associated with such pulse burst and is constant for all pulses in such burst, and each burst having a sufficient number of pulses to allow the printhead to achieve a steady state operating temperature at the pulse energy of the pulse burst. A steady state operating temperature sample is determined for each of the sequence of pulses bursts of different pulse energies to produce a set of temperature samples respectively associated with the increasing pulse energies, and a turn on pulse energy is determined from the temperature samples. The thermal ink jet printhead is then operated with a pulse energy that is greater than the turn on pulse energy and in a range that provides a desired print quality while avoiding premature failure of the heater resistors.
摘要翻译： 一种用于操作热喷墨打印机的方法，其包括响应于提供给打印头的脉冲的具有喷墨加热器电阻器的打印头。 跨越预定脉冲能量范围的相应增加或减小的脉冲能量的脉冲脉冲序列被施加到打印头，每个脉冲脉冲串包括具有脉冲能量的多个脉冲，该脉冲能量与所述脉冲脉冲串相关联，并且对于所有脉冲 脉冲，并且每个脉冲串具有足够数量的脉冲以允许打印头在脉冲脉冲的脉冲能量下实现稳态工作温度。 确定不同脉冲能量的脉冲脉冲序列中的每一个的稳态工作温度采样，以产生分别与增加的脉冲能量相关联的一组温度采样，并且从温度采样确定导通脉冲能量。 然后，热喷墨打印头以大于导通脉冲能量的脉冲能量和在提供期望打印质量的范围内操作，同时避免加热电阻器的过早故障。
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公开(公告)号：US5410951A
公开(公告)日：1995-05-02
申请号：US145813
申请日：1993-11-02
申请人： Brent A. Ledet , David A. Johnson
发明人： Brent A. Ledet , David A. Johnson
摘要： An improved apparatus and method for uniformly cooking thick layers of food product in a saturated steam environment. A foraminous conveyor belt transports a thick layer of food product into a walled cooking chamber open at its ends. The walls trap pure saturated steam to the exclusion of air in the upper region of the chamber. A pressurized source of cooking energy supplies steam through a network of steam pipes situated just below the level of the belt along its carryway through the upper region of the cooking chamber. The pipes, which span the width of the conveyor belt, include small, restricted openings uniformly distributed along the pipes. The openings form steam outlets. The pipes are oriented with the steam outlets facing the conveyor belt. Saturated steam is emitted through the outlets directed through the foraminous conveyor belt at a velocity great enough to penetrate the thick product layer to cook even the innermost product within the thick layer, thereby improving the uniformity of the cook. The thick product layer slows the steam as it penetrates the layer to prevent the formation of turbulent flow paths that could draw unwanted air into the 212.degree. F. saturated steam cooking region. An S-shaped back-flip in the conveying path repositions the product on the belt to further improve cooking uniformity.
摘要翻译： 一种用于在饱和蒸汽环境中均匀蒸煮食品的厚度的改进的装置和方法。 多孔输送带将一层厚厚的食品输送到其端部敞开的围墙烹饪室中。 这些壁将纯饱和蒸汽捕获到排出室的上部区域中的空气。 加压的烹饪能量源通过位于带的水平正下方的蒸汽管网络沿其走道通过烹饪室的上部区域供应蒸汽。 跨越传送带宽度的管道包括沿着管道均匀分布的小的受限制的开口。 开口形成蒸汽出口。 管道定向，蒸汽出口面向传送带。 饱和蒸汽通过穿过多孔传送带的出口以足够大的速度穿过厚的产品层排出，甚至在厚层内烹调最内层的产品，从而提高了煮饭的均匀性。 厚的产品层在渗透层时减慢蒸汽，以防止形成湍流通道，从而将不需要的空气吸入212°F的饱和蒸汽烹饪区域。 输送路径中的S形后翻翻转带上的产品以进一步提高烹饪均匀性。
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公开(公告)号：US5361065A
公开(公告)日：1994-11-01
申请号：US521878
申请日：1990-05-11
CPC分类号： G05D1/0623
摘要： A windshear guidance system for guiding an aircraft during a microburst windshear is provided. This system includes a time comparison subassembly, an airspeed comparison subassembly and a pitch command subassembly. The pitch command subassembly includes a calibrated air speed source, latch means connected to the calibrated air speed source, switch means connected to the latch means, and a pitch guidance command unit connected to the switch means.
摘要翻译： 提供了一种用于在微爆风剪切中引导飞机的风切变引导系统。 该系统包括时间比较子组件，空速比较子组件和俯仰命令子组件。 音调指令子组件包括校准的空气速度源，连接到校准空气速度源的闩锁装置，连接到闩锁装置的开关装置和连接到开关装置的俯仰引导指令单元。
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公开(公告)号：US5360348A
公开(公告)日：1994-11-01
申请号：US107257
申请日：1993-08-16
申请人： David A. Johnson
发明人： David A. Johnson
CPC分类号： G01R1/0433 , H05K7/1023
摘要： A test socket for testing of semiconductor devices. The socket includes a plurality of electrical contacts mounted within a housing, a cover, and a pressure applicator which serve to prolong test life of the contacts. The pressure applicator is mounted to the cover by use of an elastomeric element which compliantly holds the applicator to the cover. The socket construction, thereby, serves to prevent damage to leads of an integrated circuit device held by the socket.
摘要翻译： 用于半导体器件测试的测试插座。 插座包括安装在壳体内的多个电触头，盖子和压力施加器，其用于延长触头的测试寿命。 压力施加器通过使用弹性体元件安装到盖上，弹性体元件将施加器顺应地保持在盖上。 因此，插座构造用于防止由插座保持的集成电路装置的引线的损坏。
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公开(公告)号：US5336094A
公开(公告)日：1994-08-09
申请号：US85292
申请日：1993-06-30
申请人： David A. Johnson
发明人： David A. Johnson
IPC分类号： H01R24/00 , H01R12/71 , H01R12/72 , H01R13/24 , H01R13/631 , H01R33/76 , H05K1/14 , H05K1/18 , H05K7/10 , H05K7/14 , H01R9/09 , H01R23/72
CPC分类号： H05K7/1023 , H01R12/714 , H01R12/721 , H05K7/103 , H01R13/631
摘要： Apparatus for electrically interconnecting a lead of an integrated circuit device to a terminal spaced at a distance from the lead, such as on a printed circuit board. The apparatus is also useful for interconnecting two printed circuit boards. The apparatus includes a housing which has at least two flanges extending therefrom. The flanges are spaced a distance with an elastomeric element captured thereby and extending therebetween. A conductive contact is mounted on the elastomeric element and thus freely suspended for contact with terminals to be interconnected. A multiplicity of such contacts may be arranged in a suitable pattern for interconnecting specified integrated circuit devices with a printed circuit board. The contact shape can be generally disk-like to provide maximum wiping action and to facilitate air-tight contact between the terminal and interconnect apparatus.
摘要翻译： 用于将集成电路器件的引线电连接到与引线间隔一定距离的端子（例如印刷电路板）上的装置。 该装置对于互连两个印刷电路板也是有用的。 该装置包括具有从其延伸的至少两个凸缘的壳体。 凸缘与由此捕获的弹性体元件间隔一段距离并在其间延伸。 导电接触件安装在弹性体元件上，因此自由地悬挂以与待互连的端子接触。 可以以合适的图案布置多个这样的触点，以将指定的集成电路器件与印刷电路板互连。 接触形状通常可以是盘形的，以提供最大的擦拭作用并且促进端子和互连装置之间的气密接触。
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67.发明授权Cytotoxic antibody conjugates of hydrazide derivatized methotrexate analogs via simple organic linkers 失效通过简单的有机接头，酰肼衍生的甲氨蝶呤类似物的细胞毒性抗体缀合物
公开(公告)号：US5028697A
公开(公告)日：1991-07-02
申请号：US229941
申请日：1988-08-08
IPC分类号： C12P21/08 , A61K39/395 , A61K47/48 , A61P35/00 , C07D475/08 , C07K1/113 , C07K14/00 , C07K14/705 , C07K16/00 , C07K19/00 , C12R1/91
CPC分类号： A61K47/48692
摘要： Conjugates of antibodies and cytotoxic methotrexate drugs make use of linkers between the drug and antibody which are simple organic groups, wherein the link to the antibody is an acyl group and the link to the drug is an alkylidene hydrazide.
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公开(公告)号：US4990930A
公开(公告)日：1991-02-05
申请号：US533226
申请日：1990-06-04
摘要： A continuous-tone thermal printer includes a transport mechanism for advancing a print medium past a thermal print head while continuous-tone image information is being printed, line-by-line, on the medium. To increase the rate at which thermal prints are produced, the printer includes asynchronous motor-control apparatus for selectively accelerating the movement of the print medium relative to the print head to quickly locate the print head at the start of a new image line immediately following the printing of that pixel(s) having the highest image density in the preceding image line. Preferably, such motor-control apparatus includes a digital signal processor which determines the maximum pixel density on each line. Upon printing such maximum pixel density, the digital signal processor causes a motor controller to temporarily increase the print medium velocity past the thermal print head to the start of the next image line.
摘要翻译： 连续色调热敏打印机包括一个传送机构，用于在介质上逐行打印连续色调图像信息的同时推动打印介质经过热打印头。 为了增加产生热敏打印的速度，打印机包括用于选择性地加速打印介质相对于打印头的运动的异步电动机控制装置，以便在紧随着打印头的新图像行的开始处快速定位打印头 在前一图像行中打印具有最高图像浓度的该像素。 优选地，这种电动机控制装置包括一个数字信号处理器，它确定每行上的最大像素密度。 在打印这样的最大像素密度时，数字信号处理器使得马达控制器将打印介质速度暂时地提高到热打印头的距离到下一个图像行的开始位置。
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公开(公告)号：US4555051A
公开(公告)日：1985-11-26
申请号：US713094
申请日：1985-03-18
申请人： David A. Johnson
发明人： David A. Johnson
CPC分类号： F41C23/02 , F41C33/00 , Y10S224/913
摘要： A sling assembly for carrying shoulder-fired weapons, particularly military rifles, in an upright horizontal ready position. A strap portion of the sling assembly extends rearwardly from a sling swivel on the bottom of the butt stock and then extends upwardly along the butt plate on the rear side of the butt stock, where it is retained detachably by a sleeve slidably disposed on the strap. The sleeve includes a portion of a detachable connector to hold the sleeve and strap against the butt plate, the other mating portion of the fastener being located on the butt end of the stock. The sleeve extends high enough relative to the butt stock so that raising the rifle to the user's shoulder separates the parts of the detachable connector, allowing the sleeve and strap portions of the sling assembly to fall clear of the butt end of the stock while the sling remains connected to the weapon by the sling swivel.
摘要翻译： 一个用于携带肩扛武器，特别是军用步枪的吊带装置，处于垂直的水平就绪位置。 吊带组件的带部分从对接物底部的吊索旋转件向后延伸，然后沿着对接库存的后侧上的对接板向上延伸，其中可滑动地设置在带子上的套筒可拆卸地保持 。 套筒包括可拆卸连接器的一部分，以将套筒和带固定在对接板上，紧固件的另一配合部分位于坯料的对接端。 套筒相对于对接件伸出的足够高，从而将步枪提升到使用者的肩部，使可拆卸连接器的部件分开，从而允许吊索组件的套筒和带部分脱离原料的对接端，而吊带 通过吊索旋转保持连接到武器。
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公开(公告)号：US4483089A
公开(公告)日：1984-11-20
申请号：US399205
申请日：1982-07-19
申请人： David A. Johnson
发明人： David A. Johnson
CPC分类号： F41A9/85 , Y10S224/931
摘要： A cup-like protective carrying device for holding a pistol reloader of the type which carries a plurality of pistol cartridges arranged to be simultaneously inserted into the several chambers of a revolver cylinder has a generally cylindrical protective shell wall and a closed bottom from which a pair of elongate arms extend upwardly, passing between adjacent ones of the cartridges. A catch on each of the arms includes camming surfaces for engaging a portion of the revolver reloader, resiliently deflecting the arms to permit the catches to ride over the portion of the reloader and thereafter elastically engage the reloader to hold it within the carrier. Provision is made for riveting the carrier to a leather slide loop or a holster belt to carry a charged revolver reloader ready for immediate use.
摘要翻译： 用于保持携带多个手枪式药筒的类型的手枪式重装机的杯状保护携带装置，其布置成同时插入到转筒的几个腔室中，具有大致圆柱形的保护壳壁和一对封闭的底部 细长臂向上延伸，在相邻的盒之间通过。 每个臂上的卡扣包括用于接合左轮重装机的一部分的凸轮表面，弹性地偏转臂以允许卡扣骑在重新装载机的一部分上，然后弹性地接合重装器以将其保持在载体内。 规定将承运人铆接到皮革滑环或皮套带上，以携带充电的左轮手枪重新装载机即可立即使用。
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