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51. 发明授权

US4021923A Metric unit conversion aid 失效
标题翻译：公制单位转换援助
公开(公告)号：US4021923A
公开(公告)日：1977-05-10
申请号：US648956
申请日：1976-01-14
申请人： Devora Feldman
发明人： Devora Feldman
IPC分类号： G06G1/00 , G09B19/02
CPC分类号： G06G1/0068
摘要： A template incorporating a plurality of openings forming columns and rows having a predetermined alignment and identified by annotations representing metric system units to facilitate use of the device for automatic unit conversion during the performance of mathematical calculations involving dissimilar metric unit quantities.
摘要翻译：一种包含多个开口的模板，其形成具有预定对准的列和行，并且通过表示度量系统单元的注释来识别，以便于在执行涉及不同的度量单位量的数学计算期间使用该装置进行自动单位转换。

52. 发明授权

US3992610A Weight and balance calculator 失效
标题翻译：重量和平衡计算器
公开(公告)号：US3992610A
公开(公告)日：1976-11-16
申请号：US593246
申请日：1975-07-07
申请人： Jerry L. Kennedy
发明人： Jerry L. Kennedy
IPC分类号： G06G1/00 , G06G1/14 , G06G1/16
CPC分类号： G06G1/0005
摘要： The disclosure embraces a manually operated weight and balance calculator for use with a slide card containing a graphic display of the weight-balance tolerance characteristics for a particular type of aircraft; the calculator includes a carrier channel for movably supporting a card in a selected position; spaced apart arcuate portions are provided for rotatably retaining a flat disc member; the disc member is provided with an outer rim portion which carries markings thereon alignable with markings formed on one of the arcuate portions; the disc member is provided with a central portion which is transparent to permit observation of a card supported by the calculator; the transparent portion is also provided with a plurality of parallel slots which permit access to the card carried by the calculator for the purpose of placing a series of markings on the card which are characteristic of the magnitude and position of the loads being carried by the aircraft and which will permit visual observation of the effect of changes in the magnitude and position of the loads relative to the weight and balance tolerances of the aircraft.
摘要翻译：本公开包括用于与特定类型的飞行器的重量平衡公差特性的图形显示的滑动卡一起使用的手动操作的重量和平衡计算器; 所述计算器包括用于在选定位置可移动地支撑卡的载体通道; 设置间隔开的弧形部分以可旋转地保持平盘部件; 盘构件设置有外边缘部分，其承载与其中一个弧形部分上形成的标记相对准的标记; 盘构件设置有透明的中心部分，以允许观察由计算器支撑的卡; 透明部分还设置有多个平行的狭槽，其允许访问由计算器承载的卡，以便在卡上放置一系列标记，这些标记是由飞机承载的负载的大小和位置的特征并且这将允许目视观察负载相对于飞机的重量和平衡公差的大小和位置的变化的影响。

53. 发明授权

US3944789A Percent calculator 失效
标题翻译：计算器百分比
公开(公告)号：US3944789A
公开(公告)日：1976-03-16
申请号：US339840
申请日：1973-03-09
申请人： Jon L. Moffat
发明人： Jon L. Moffat
IPC分类号： G06G1/00 , G06C27/00
CPC分类号： G06G1/0078
摘要： This invention relates to a manually operable calculator; used to determine percent scores and to weight tests, comprised of a circular disc having a centrally pivoted rule. The disc has an outer periphery of numerals indicating per cent scores, the radii of numerals below 100 per cent indicating perfect scores, the radii of per cents other than one hundred indicating raw scores, and numerals on the rule corresponding to numerals on the radii below 100 per cent.
摘要翻译：本发明涉及一种可手动操作的计算器; 用于确定百分比和重量测试，包括具有中心枢轴规则的圆盘。圆盘具有表示百分比的数字的外围，数字的半径低于100％表示完美分数，除了一百个指示原始分数之外的每分的半径，以及与下面的半径上的数字相对应的规则上的数字 100％的。

54. 发明授权

US3890715A Device for measuring advertising space 失效
标题翻译：用于衡量广告空间的设备
公开(公告)号：US3890715A
公开(公告)日：1975-06-24
申请号：US39207573
申请日：1973-08-27
申请人： KAPLAN ARTHUR R
发明人： KAPLAN ARTHUR R
IPC分类号： G01B5/26 , G06G1/14 , G06G1/00
CPC分类号： G01B5/26 , G06G1/14
摘要： A device is provided for directly reading the area of a newspaper ad in either agate lines or column inches. An upper locating line on a transparent sheet of the device is aligned with the top of the ad and a left-hand column line is aligned with the left vertical edge of the ad. A series of spaced vertical lines define columns and a series of intersecting transverse lines define therewith areas containing indicia. An indicia in the area superimposed over the lower right-hand corner of the ad provides a reading of the ad area in agate lines and/or column inches.
摘要翻译：提供一种设备，用于以玛瑙线或列英寸直接读取报纸广告的区域。设备透明纸上的上定位线与广告的顶部对齐，左侧的列线与广告的左侧垂直边对齐。一系列间隔的垂直线限定了列，并且一系列相交的横向线限定了含有标记的区域。叠加在广告右下角的区域中的标记提供玛瑙线和/或列英寸中的广告区域的阅读。

55. 发明授权

US3857634A Device for solving the sonar equation 失效
标题翻译：用于解决声纳方程的装置
公开(公告)号：US3857634A
公开(公告)日：1974-12-31
申请号：US44230374
申请日：1974-02-13
申请人： US NAVY
发明人： GORDON A , PHELPS M
IPC分类号： G06G1/00 , G03B27/32
CPC分类号： G06G1/00
摘要： An optical simulation device for solving the sonar equation comprises a light table for establishing a predetermined light field and a plurality of optical graticules to modify the light energy from the light table. A detection means mounted above the light table and movable through predetermined coordinates with radiation thereto completes the simulation device.
摘要翻译：用于求解声纳方程的光学模拟装置包括用于建立预定光场的光台和用于修改来自光台的光能的多个光学刻度。安装在光台上方的检测装置，可以通过预定的坐标进行辐射移动，从而完成模拟装置。

56. 发明授权

US3852886A Angle solver plot board 失效
标题翻译：角度解决方案板
公开(公告)号：US3852886A
公开(公告)日：1974-12-10
申请号：US8206270
申请日：1970-10-19
申请人： US NAVY
发明人： HEADLE H
IPC分类号： G06G1/00 , G06G7/80
CPC分类号： G06G1/0057
摘要： A manual computer for determining torpedo firing angles for single- and two-speed torpedoes is provided. The device includes a base plate, a lower frame cut out to receive a rotor having a circular base and scales which indicate torpedo pre-enable speed and laminar distance offset, an upper frame cut out to receive a slide having scales which indicate target speed across line of sound and torpedo lead angle, an arm which is mounted on and movable with the slide for indicating thousands of yards of enable range and post-enable speed in knots, and a top member. The ultimate angular position of the arm indicates the torpedo lead angle.
摘要翻译：提供了一种用于确定单速和双速鱼雷的鱼雷发射角的手动计算机。该装置包括基板，切割成接收具有圆形基座的转子的下部框架和指示鱼雷预启用速度和层间距离偏移的秤，切割出上部框架以接收具有指示目标速度的刻度的滑块声音线和鱼雷引导角，一个安装在滑块上并与滑块一起移动的臂，用于指示数千码的使能范围和后启动速度，以及顶部构件。臂的最终角位置表示鱼雷导程角。

57. 发明授权

US3837569A Metric conversion ruler 失效
标题翻译：公制转换规则
公开(公告)号：US3837569A
公开(公告)日：1974-09-24
申请号：US35811373
申请日：1973-05-07
申请人： BORDEN INC
发明人： BRADBURY R , SULLIVAN J
IPC分类号： G06G1/00 , G06G1/02 , G06C3/00
CPC分类号： G06G1/0068 , Y10S116/47
摘要： This device for converting British units to metric units and vice versa includes a pair of spaced, rigidly affixed members each provided with a two-cycle logarithmic scale and a slide plate disposed therebetween in a tight, slidable relationship, said slide plate being provided with a plurality of conversion indicia on each side thereof. Each conversion indicia includes a pair of spaced arrows pointing either toward one or the other of said pair of members with the distance between said pair of arrows representing a specific conversion factor which is determined by the distance between numeral ''''1'''' on logarithmic scale and the numeral corresponding to the conversion factor.
摘要翻译：用于将英制单元转换为公制单元的装置和反之亦然包括一对间隔开的刚性固定构件，每个分别具有两个循环对数标尺和一个以可紧密滑动关系设置在其间的滑板，所述滑板设置有在其每一侧具有多个转换标记。每个转换标记包括指向所述一对构件中的一个或另一个的一对间隔的箭头，所述一对箭头之间的距离表示由对数刻度上的数字“1”之间的距离确定的特定转换因子，数字对应于转换因子。

58. 再颁专利

USRE28033E Calculator for making patterns 失效
公开(公告)号：USRE28033E
公开(公告)日：1974-06-04
申请号：US28033D
申请日：1972-05-23
IPC分类号： G06G1/00
CPC分类号： G06G1/0026
摘要： THIS DISCLOSURE PROVIDES A METHOD AND A TOOL FOR SIMPLYING THE ART OF PATTERN MAKING WHILE SIMULTANEOUSLY INCREASING THE ACCURACY OF THE PATTERSN MADE. ONE EMBODIMENT OF THIS TOOL IS A SLIDE RULE (KNOWN AS A "PATTERN RULE") SO CONSTRUCTED AS TO DIRECTLY COMPUTE AND DISPLAY THE DIMENSIONS REQUIRED IN A PATTERN LAYOUT. BY INSERTING THE KNOWN DIMENSIONS AND REQUIREMENTS INTO ONE AREA OF THE PATTERN RULE BY PHYSICALLY MOVING A SLIDING RULE MEMBER, THE DESIRED DIMENSIONS ARE DISPLAYED IN ANOTHER AREA OF THE RULE.

59. 发明授权

US3790074A Universal unit-converting slide rule 失效
标题翻译：通用单位转换规则
公开(公告)号：US3790074A
公开(公告)日：1974-02-05
申请号：US3790074D
申请日：1973-04-12
申请人： ZEMANEK R , ZEMANEK E
发明人： ZEMANEK R , ZEMANEK E
IPC分类号： G06G1/00 , G06C3/00
CPC分类号： G06G1/0068
摘要： This is a slide rule for quickly converting from one unit of measure to another and includes scale indicia for accurately and quickly determining the position of the decimal point in the computed answer.

60. 发明授权

US3760165A Currency converter 失效
标题翻译：货币换算
公开(公告)号：US3760165A
公开(公告)日：1973-09-18
申请号：US3760165D
申请日：1972-06-27
申请人： MARCKS F
发明人： MARCKS F
IPC分类号： G06G1/00 , G06C3/00
CPC分类号： G06G1/0073
摘要： A foreign currency converter consisting of an elongated body carrying a series of parallel longitudinal removable currency scale strips including a United States dollar scale strip, with the dollar currency values aligned with the corresponding foreign currency values. A slide with an index line is mounted transversely on the body for aligning the respective corresponding currency values. The scale strips have lugs providing a snap fit with apertures in the body. The original scale strips can be readily removed and replaced and corrected currency scale strips when there are changes in the currency exchange rates.
摘要翻译：一种外币转换器，包括一长条身体，其中携带一系列平行的可纵向移动的货币标度条，包括美元标尺条，美元货币值与对应的外币价值相一致。具有索引线的幻灯片横向安装在主体上，用于对准相应的对应货币值。刻度带具有提供与身体中的孔的卡扣配合的凸耳。当货币兑换率发生变化时，可以轻松取出和更换原始标尺条和更换货币标尺。

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