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    • 1. 发明公开
    • OPTICAL SCANNER
    • 光学扫描仪
    • EP1844359A1
    • 2007-10-17
    • EP05763697.9
    • 2005-06-28
    • Loebel, NicolasRose, AndreasGitlin, MarkMelville, David
    • Loebel, NicolasRose, AndreasGitlin, MarkMelville, David
    • G02B7/182
    • G02B26/105G02B7/1821G02B26/10H02K33/12H02K33/16
    • An optical scanner 100 comprising stators 38, 40 spaced apart from each other but ferromagnetically coupled together; a magnet 9 positioned relative to the stators 38, 40 such that axis of symmetry of a magnetic field created by the magnet 9 is substantially equidistant from and passes in between the stators 38, 40; and a flexure element 11 positioned relative to the stators 38, 40 and the magnet 9 such that its center point substantially intersects axis of symmetry of the magnet's 9 magnetic field, wherein the flexure element 11 is not in physical contact with either the stators 38, 40 or the magnet 9. A method for oscillating an optical scanner's flexure element comprising using a magnet 9 disposed between two stators 38, 40 and beneath the flexure element 11 to create two magnetic circuits 30, 31 that are generally symmetric and coplanar with one another, wherein a portion of the circuits share a common magnetic path through the magnet 9 and remaining, non-common paths of the circuits 30, 31 through the stators 38, 40 are counter-directional relative to each other; applying electromagnetic flux to such circuits 30, 31 via stator electrical coils 5, 6 enhancing flux through one circuit 30 or 31 while impeding flux through the other circuit 30 or 31 and keeping the stator-induced flux vector through the magnet 9 unchanged; and reversing polarity of the stator-induced electromagnetic flux at a regular frequency in order to oscillate the flexure element 11.
    • 一种光学扫描器100,包括彼此间隔开但铁磁耦合在一起的定子38,40; 相对于定子38,40定位的磁体9,使得由磁体9产生的磁场的对称轴线与定子38,40之间的距离基本相等并通过; 以及相对于定子38,40和磁体9定位的挠曲元件11,使得其中心点基本上与磁体9的磁场的对称轴线相交,其中挠曲元件11不与定子38,38和40中的任一个物理接触。 40或磁体9.一种用于振荡光学扫描器的挠曲元件的方法,包括使用设置在两个定子38,40之间并且在挠曲元件11下方的磁体9来产生两个大致对称且彼此共面的磁路30,31 ,其中电路的一部分共享通过磁体9的公共磁路,并且电路30,31的剩余非公共路径通过定子38,40相对于彼此是反向的; 通过定子电线圈5,6将电磁通量施加到这样的电路30,31,增强通过一个电路30或31的通量,同时阻止通量通过另一个电路30或31并且保持通过磁体9的定子感应通量矢量不变; 并以规则频率反转定子感应的电磁通量的极性,以使得挠曲元件11振荡。
    • 5. 发明申请
    • OPTICAL SCANNER
    • 光学扫描仪
    • WO2006004644A1
    • 2006-01-12
    • PCT/US2005/022694
    • 2005-06-28
    • LOEBEL, NicolasROSE, AndreasGITLIN, MarkMELVILLE, David
    • LOEBEL, NicolasROSE, AndreasGITLIN, MarkMELVILLE, David
    • G02B7/182G02B26/10
    • G02B26/105G02B7/1821G02B26/10H02K33/12H02K33/16
    • An optical scanner 100 comprising stators 38, 40 spaced apart from each other but ferromagnetically coupled together; a magnet 9 positioned relative to the stators 38, 40 such that axis of symmetry of a magnetic field created by the magnet 9 is substantially equidistant from and passes in between the stators 38, 40; and a flexure element 11 positioned relative to the stators 38, 40 and the magnet 9 such that its center point substantially intersects axis of symmetry of the magnet's 9 magnetic field, wherein the flexure element 11 is not in physical contact with either the stators 38, 40 or the magnet 9. A method for oscillating an optical scanner's flexure element comprising using a magnet 9 disposed between two stators 38, 40 and beneath the flexure element 11 to create two magnetic circuits 30, 31 that are generally symmetric and coplanar with one another, wherein a portion of the circuits share a common magnetic path through the magnet 9 and remaining, non-common paths of the circuits 30, 31 through the stators 38, 40 are counter-directional relative to each other; applying electromagnetic flux to such circuits 30, 31 via stator electrical coils 5, 6 enhancing flux through one circuit 30 or 31 while impeding flux through the other circuit 30 or 31 and keeping the stator-induced flux vector through the magnet 9 unchanged; and reversing polarity of the stator-induced electromagnetic flux at a regular frequency in order to oscillate the flexure element 11.
    • 光学扫描器100包括彼此间隔开但铁磁耦合在一起的定子38,40; 相对于定子38,44定位的磁体9,使得由磁体9产生的磁场的对称轴线基本上与定子38,40之间等距并且通过定子38,40; 以及相对于定子38,40和磁体9定位的挠曲元件11,使得其中心点基本上与磁体9的磁场的对称轴线相交,其中,挠曲元件11不与定子38,34,40和 40或磁体9.一种用于振荡光学扫描仪的挠曲元件的方法,包括使用设置在两个定子38,40之间的磁体9并且在挠曲元件11下方形成两个彼此大致对称和共面的磁路30,31 其中一部分电路共享通过磁体9的公共磁路,并且电路30,31的剩余的非公共路径通过定子38,40相对于彼此是相反方向的; 通过定子电线圈5,6向这种电路30,31施加电磁通量,增强通过一个电路30或31的磁通,同时阻碍通过另一个电路30或31的磁通,并且使定子感应的磁通矢量保持不变; 并以正常频率反转定子感应电磁通量的极性,以便使挠曲元件11振荡。