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    • 2. 发明授权
      US3673584A Position-measuring transformer having end-detecting windings useful for positioning a magnetic head of a disc drive system 失效
    • Position-measuring transformer having end-detecting windings useful for positioning a magnetic head of a disc drive system
    • 具有用于定位磁盘驱动系统的磁头的端部检测绕组的位置测量变压器
    • US3673584A
    • 1972-06-27
    • US3673584D
    • 1971-03-08
    • INDUCTOSYN CORP
    • FARRAND CLAIR L
    • G05D3/20 , G11B5/55 , H01F29/12 , G01R33/02 , G11B27/14 , H01F21/04
    • H01F29/12 , G05D3/20 , G11B5/5521
    • Disclosed is a position-measuring transformer formed from two relatively movable members. The transformer is particularly useful for selecting and defining track positions in a magnetic disc drive system which may be used as a memory in a digital computer. One stationary member of the transformer includes cofunction windings and end-detecting windings. Those windings magnetically coupled to a reference winding on another relatively movable member of the transformer. The reference winding, which is the continuous winding of the transformer, is formed from a plurality of equally spaced active conductors. The active conductors are interconnected such that alternate ones conduct in opposite directions so that each pair of adjacent active conductors define a reference cycle. The end-detecting windings consist of one or more pairs of active conductors where the active conductors in each pair have full-cycle spacing, that is, the separation between each active conductor in a pair equals one reference cycle. The full-cycle spacing of the end-detecting winding superposed over the half-cycle spacing of the enddetecting winding induces a substantially zero resultant signal in the end-detecting winding except when the end-detecting winding is positioned over the end conductor of the reference winding as may occur when the reference winding is moved. When over the end, a limit signal is generated as a result of the unequal coupling between the end-detecting winding active conductors and the end conductor of the reference winding. The limit signal thus generated typically defines the inner or outer limit of a read/write head. Cofunction windings are formed from four winding sections with equal numbers of active conductors per section. The cofunction windings are formed using an efficient winding pattern which minimizes the number of welded or soldered connections required.
    • 公开了一种由两个相对可移动的构件形成的位置测量变压器。 变压器特别适用于在可用作数字计算机中的存储器的磁盘驱动系统中选择和定义磁道位置。 变压器的一个固定构件包括功能绕组和端部检测绕组。 那些绕组磁耦合到变压器的另一个相对可动的构件上的基准绕组。 作为变压器的连续绕组的基准绕组由多个等间距的有源导体形成。 有源导体互连，使得交替的导体以相反的方向导通，使得每对相邻的有源导体限定参考周期。 末端检测绕组由一对或多对有源导体组成，其中每对中的有源导体具有全周期间隔，即，一对中的每个有源导体之间的间隔等于一个参考周期。 在端部检测绕组的半周期间隔之上叠加的端部检测绕组的全周期间隔在端部检测绕组中引起基本上为零的结果信号，除了当端部检测绕组位于端部检测绕组的端部导体 当参考绕组移动时可能发生参考绕组。 当结束时，由于端部检测用绕组有源导体与基准绕组的端部导体之间的不相等的结合，产生限制信号。 因此产生的极限信号通常限定读/写头的内部或外部限制。 功能绕组由四个绕组部分形成，每个部分具有相等数量的有源导体。 功能绕组使用有效的绕组图案形成，其最小化所需的焊接或焊接连接的数量。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
    • 5. 发明授权
      US3624910A Multiaxis inspection system 失效
    • Multiaxis inspection system
    • 多轴检查系统
    • US3624910A
    • 1971-12-07
    • US3624910D
    • 1969-08-27
    • INDUCTOSYN CORP
    • FARRAND CLAIR L
    • F16C29/06 , G01B5/008 , B43L5/00
    • F16C29/0688 , G01B5/008
    • A BEARING ARRANGEMENT FOR THE MOVABLE CARRIAGES OF A MULTIAXIS INSPECTION SYSTEM COMPRISING FIRST AND SECOND MUTUALLY ORTHOGONAL SHAFTS, FIRST AND SECOND CARRIAGES, THE SECOND SHAFT BEING SECURED TO THE FIRST CARRIAGE, BEARING MEANS FOR SUPPORTING THE FIRST AND SECOND CARRIAGES FOR MOVEMENT RELATIVE TO THE FIRST AND SECOND SHAFTS, RESPECTIVELY, THE BEARING MEANS FOR EACH OF THE CARRIAGES COMPRISING FIRST AND SECOND SETS OF RECIRCULATING BALLS WHICH CONTACT THE SHAFTS AT A PLURALITY OF POINTS ALONG TWO LINES ON OPPOSITE SIDES OF THE CIRCUMFERENCE THEREOF ABOVE THE LONGITUDINAL AXES, AND CONSTRAINT, SLIDE BEARING MEANS SPACED FROM AND BELOW THE SHAFTS FOR PREVENTING ROTATION OF THE FIRST AND SECOND CARRIAGES ABOUT THE LONGITUDINAL AXES OF THE FIRST AND SECOND SHAFTS, RESPECTIVELY. THE SETS OF RECIRCULATING BALLS AND THE CONSTRAINT, SLIDE BEARING MEANS FROM THREE-POINT SUPPORTS FOR THE CARRIAGES. THE SECOND CARRIAGE SUPPORTS A PROBE FOR MOVEMENT ALONG AN AXIS WHICH IS ORTHOGONAL TO THE AXES OF THE FIRST AND SECOND SHAFTS. THE SHAFTS MAY BE ROTATED IN ORDER TO SELECT THE LOCATION OF THE TWO LINES CONTACTED BY THE BALLS, THE CONSTRAINT, SLIDE BEARING MEANS MAY BE ADJUSTED TO INSURE LINEAR MOTION OF THE CARRIAGES, AND THE ANGLES BETWEEN THE FIRST AND SECOND SHAFTS MAY BE ADJUSTED TO INSURE PERPENDICULARITY THEREBETWEEN.
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
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