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1.发明授权Apparatus for measuring small displacements by using barberpole sensors producing a cyclical voltage having a mark/space ratio indicative of position 失效用于通过使用产生具有指示位置的标记/空格比的循环电压的BARBERPOLE传感器来测量小的位移的装置
公开(公告)号：US5142225A
公开(公告)日：1992-08-25
申请号：US606056
申请日：1990-10-29
申请人： Guenter Gerlach , Erich Zabler , Georg Riedel , Walter Antoni
发明人： Guenter Gerlach , Erich Zabler , Georg Riedel , Walter Antoni
摘要： An apparatus for measuring small displacements, either linear or angular, employ a pair of spaced "barber pole" or other magnetic field sensitive elements and a movable magnet, in which the exact position of the movable magnet is determined from the voltages sensed at the two elements. The voltages are evaluated in a circuit which produces a rectangular voltage or equivalent, in which the mark/space ratio equates to the position of the magnet between the two sensors.
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公开(公告)号：US5808273A
公开(公告)日：1998-09-15
申请号：US637728
申请日：1996-04-26
申请人： Rudolf Galster , Guenter Gerlach , Anton Dukart , Klaus Marx , Franz Jost
发明人： Rudolf Galster , Guenter Gerlach , Anton Dukart , Klaus Marx , Franz Jost
CPC分类号： G01R33/09 , Y10T29/49082
摘要： A process for adjusting a magneto-resistive sensor having a pair of current contacts and a pair of voltage contacts to compensate an offset error, without additional components. The magneto-resistive sensor (10) is charged with a homogeneous, definitely oriented magnetic field, a defined control current (I) is applied between its current contacts (22, 24) and at least one of the voltage contacts (30, 32) is trimmed, for example, by a laser beam (38), during the measurement of a pseudo-Hall voltage across the voltage contacts.
摘要翻译： PCT No.PCT / DE94 / 01172 Sec。 371日期：1996年4月26日 102（e）日期1996年4月26日PCT 1994年10月7日PCT PCT。 公开号WO95 / 12128 日期1995年5月4日一种用于调整具有一对电流触点和一对电压触点的磁阻传感器的过程，以补偿偏移误差，而没有附加的部件。 磁阻传感器（10）充满均匀的，确定的定向磁场，在其电流触点（22,24）和至少一个电压触点（30,32）之间施加限定的控制电流（I） 在测量电压触点之间的伪霍尔电压期间，例如通过激光束（38）进行修整。
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