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    • 3. 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。
    • 9. 发明专利
    • OPTICAL SCANNER
    • CA2571681A1
    • 2006-01-12
    • CA2571681
    • 2005-06-28
    • LOEBEL NICOLASROSE ANDREASMELVILLE DAVIDGITLIN MARK
    • LOEBEL NICOLASROSE ANDREASMELVILLE DAVIDGITLIN MARK
    • G02B26/10G02B7/00G02B7/182
    • An optical scanner comprising stators spaced apart from each other but ferromagnetically coupled together; a magnet positioned relative to the stators such that axis of symmetry of a magnetic field created by the magnet is substantially equidistant from and passes in between ends of the stators; and a flexure element positioned relative to the stators and the magnet such that its center point substantially intersects axis of symmetry of the magnet's magnetic field, wherein the flexure element is not in physical contact with either the stators or the magnet. A method for oscillating an optical scanner's flexure element comprising using a magnet disposed between two stators and beneath the flexure element to create two magnetic circuits that are generally symmetric and coplanar with one another, wherein a portion of the circuits share a common magnetic path through the magnet and remaining, non-common paths of the circuits through the stators are counter-directional relative to each other; applying electromagnetic flux to such circuits via stator electrical coils enhancing flux through one circuit while impeding flux through the other circuit and keeping the stator-induced flux vector through the magnet unchanged; and reversing polarity of the stator-induced electromagnetic flux at a regular frequency in order to oscillate the flexure element.