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    • 2. 发明授权
    • Dual coil, translational bias-field device for a magneto-optical system
    • 用于磁光系统的双线圈,平移偏置场设备
    • US5710747A
    • 1998-01-20
    • US766195
    • 1996-12-12
    • Edward P. FurlaniBijan BarzidehSvetlana ReznikChristopher C. Williams
    • Edward P. FurlaniBijan BarzidehSvetlana ReznikChristopher C. Williams
    • G11B11/105G11B11/00
    • G11B11/1056G11B11/10534
    • A translational, bias-field device for a magneto-optical system having a magneto-optical recording element moving through a first magnetic field created by the bias-field device so that information is selectively recorded on or erased from the recording element, the device comprises a housing and a first rail for enabling translational movement attached to said housing. A permanent magnet structure is polarized through its cross-section having a first set of north and south poles on a first surface positioned adjacent the magneto-optic recording element for providing the first magnetic field to the recording element, and a second set of north and south poles on a second surface, and the permanent magnet structure attached to the first rail which enables translational movement of the magnet structure. A first coil is positioned adjacent to the magnet which, when energized, imparts a second magnetic field to the permanent magnet structure for imparting motion to the permanent magnet structure, and a second coil is positioned adjacent to the magnet which, when energized, imparts a third magnetic field to the permanent magnet structure for also imparting motion to the permanent magnet structure.
    • 一种用于磁 - 光系统的平移偏置场设备,其具有通过由偏置场设备产生的第一磁场移动的磁光记录元件,使得信息被选择性地记录在记录元件上或从记录元件擦除,该设备包括 壳体和第一轨道,用于实现附接到所述壳体的平移运动。 永磁体结构通过其横截面进行极化,该横截面具有位于邻近磁光记录元件的第一表面上的第一组北极和南极,用于向记录元件提供第一磁场,以及第二组北极和 在第二表面上的南极,以及附接到第一轨道的永磁体结构,其实现磁体结构的平移运动。 第一线圈定位成与磁体相邻,当被激励时,其向永磁体结构施加第二磁场,以向永磁体结构施加运动,并且第二线圈定位成与磁体相邻,当被激励时, 永磁体结构的第三磁场也用于赋予永磁体结构运动。
    • 5. 发明授权
    • Electromagnetic device for providing a hard stop for moving blade
aperture systems
    • 用于提供用于移动叶片孔径系统的硬停止的电磁装置
    • US5781816A
    • 1998-07-14
    • US751597
    • 1996-11-18
    • Edward P. FurlaniBijan Barzideh
    • Edward P. FurlaniBijan Barzideh
    • G03B9/14G03B9/24G03B9/02G03B9/08
    • G03B9/24G03B9/14
    • An hard stop is disclosed for use with an aperture mechanism that has at least one blade moveable along a path between a closed position and at least one open position, and at least one hard stop piston that is moveable between a first position, out of the blade path, and a second position, in the blade path, to position the blade in the open position when an edge of the blade contacts the hard stop piston. The hard stop includes a nonmagnetic piston; a ferromagnetic C-core, having first and second pole tips, a magnet attached to the piston and a coil wrapped around the midportion of the C-core. When current is applied in one direction through the coil it causes the magnet and attached piston to move in a first direction to the first position and held in such position by the attraction of the magnet to the first pole tip of the C-core and causes the magnet and attached piston to move to the second position when current is applied in an opposite direction to the coil where it is held in such position by the attraction of the magnet to the second pole tip of the C-core.
    • 公开了一种用于具有孔机构的硬止动器,所述孔机构具有至少一个叶片,其沿着关闭位置和至少一个打开位置之间的路径可移动;以及至少一个硬止动活塞,其可在第一位置, 叶片路径和第二位置,在叶片路径中,当叶片的边缘接触硬止动活塞时,将叶片定位在打开位置。 硬停止包括非磁性活塞; 具有第一和第二极尖的铁磁C-芯,附接到活塞的磁体和缠绕在C芯的中间部分的线圈。 当通过线圈沿一个方向施加电流时,使得磁体和附接的活塞沿第一方向移动到第一位置,并通过磁体吸引到C型芯的第一极尖而保持在这样的位置,并且导致 磁体和连接的活塞移动到第二位置,当电流沿着与线圈相反的方向施加时,其被磁体吸引到C型芯的第二极尖处而被保持在该位置。
    • 6. 发明授权
    • Electromagnetic actuator for providing a hard stop for moving blade
aperture systems
    • 用于提供用于移动叶片孔径系统的硬止动器的电磁致动器
    • US5687417A
    • 1997-11-11
    • US748728
    • 1996-11-18
    • Edward P. FurlaniBijan Barzideh
    • Edward P. FurlaniBijan Barzideh
    • G03B9/24G03B9/02G03B9/08
    • G03B9/24
    • An hard stop for use with an aperture mechanism includes at least one blade moveable along a path between a closed position and at least one open position. At least one hard stop piston is moveable between a first position, out of the blade path, and a second position, in the blade path, to position the blade in the open position when an edge of the blade contacts the hard stop piston. The hard stop includes a magnetic piston, an electromagnet coil proximate to the magnetic piston, and a ferromagnetic ring arranged such that when current is applied in one direction through the coil it causes the magnetic piston to move to the first position in a first direction and held in such position by the attraction of the magnetic piston to the ferromagnetic ring and causes the magnetic piston to move to the second position when current is applied in an opposite direction to the coil and the magnetic piston is held in such position by the attraction of the magnetic piston to the ferromagnetic ring.
    • 与孔机构一起使用的硬止动件包括至少一个沿着关闭位置和至少一个打开位置之间的路径可移动的刀片。 至少一个硬止动活塞可在叶片路径中的第一位置和叶片路径中的第二位置之间移动,以在叶片的边缘接触硬止动活塞时将叶片定位在打开位置。 硬止动件包括磁性活塞,靠近磁性活塞的电磁线圈和布置成使得当电流沿一个方向通过线圈的电磁铁时,磁性活塞沿第一方向移动到第一位置, 通过磁性活塞对铁磁环的吸引力将其保持在这样的位置,并且当电流沿与线圈相反的方向施加电磁力时,使磁性活塞移动到第二位置,并且磁性活塞通过吸引力被保持在这样的位置 磁性活塞到铁磁环。