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    • 11. 发明公开
    • Microelectromechanical devices having brake assemblies therein to control movement of optical shutters and other movable elements
    • 与制动组件微电子机械装置,用于控制光闸的移动和类似的可移动部件
    • EP1139141A2
    • 2001-10-04
    • EP01301375.0
    • 2001-02-16
    • Cronos Integrated Microsystems, Inc.
    • Dhuler, Vijayakumar RudrappaHill, Edward Arthur
    • G02B26/02B81B3/00
    • G02B6/3564B81B3/0054B81B2201/045B81B2203/0118G02B6/353G02B6/3552G02B6/357
    • Microelectromechanical devices may include a substrate having first and second optical fibers thereon. An optical shutter may also be provided. This optical shutter is mechanically coupled to a first plurality of arched beams that are supported at opposing ends by support structures which may be mounted on the substrate. A second plurality of arched beams are also provided on a first side of the optical shutter. These arched beams are also supported at opposing ends by support structures. A first brake member is provided that is coupled to the second plurality of arched beams. This first brake member contacts and restricts the optical shutter from moving in the ±y-direction when the second plurality of arched beams are relaxed, but releases the optical shutter when the second plurality of arched beams move in the -x direction. This ability to restrict movement of the optical shutter when the second plurality of arched beams are relaxed provides a degree of nonvolatile position retention. A third plurality of arched beams are also preferably provided on a second side of the optical shutter. A second brake member, which is coupled to the third plurality of arched beams, also contacts and restricts the shutter member from moving in the ±y direction when the third plurality of arched beams are relaxed, but releases the optical shutter when the third plurality of arched beams move in the +x direction.
    • 微电子机械装置可以包括在其上具有第一和第二光学纤维的基材。 因此可以提供一种光学快门。 这种光学快门以机械耦合到拱形梁的第一多个并在通过其可以安装在基板上的支撑结构相对的端部支撑。 因此设置在光学快门的第一侧的弓形梁的第二多个。 这些拱形梁从而在由支撑结构相对的端部支撑。 本发明提供一种第一制动构件都被连接到弓形梁的所述第二多个。 该第一制动部件接触,并限制从+/- y方向时的弓形梁的所述第二多个被放松移动光学快门,但释放所述光学快门。当弓形梁的所述第二多个在-x方向上移动。 该功能限制光学快门移动。当弓形梁的所述第二多个被放松能力提供一定程度的非易失性位置保持的。 因此弓形梁的第三多个被优选地设置在光学快门的第二侧。 第二制动器构件所有这一切都耦合到拱形梁的第三多个,因此接触和从移动的方向+/-ÿ当弓形梁的所述第三多个被放宽限制快门构件,但释放所述光学快门。当第三 的弓形梁的多个沿+ x方向移动。
    • 14. 发明公开
    • Optical switch
    • Optischer Schalter
    • EP0718657A2
    • 1996-06-26
    • EP96103679.5
    • 1989-12-27
    • FUJI ELECTRIC CO., LTD.
    • Sano, YasukazuTanaka, HideyukiNakamura, KeijirouKume, HideoTanigawa, Kiyoshi
    • G02B26/02
    • G02B6/353G02B6/3514G02B6/352G02B6/355G02B6/3552G02B6/3574H03K17/941
    • An optical switch having two spherical or elliptical corner-reflecting surfaces (5c) provided in a light-conducting member (5, 10), a shutter (8) to open and close a light path between the corner-reflecting surfaces, and focusing lenses (5b) to focus the incident beam from an emitting optical fiber (3) and to focus the emitting beam from the light-conducting member to a primary receiving optical fiber (4). Because almost all the beam transmitted through the light-conducting member is focused at one point (A) in an air gap (5d) in which the shutter moves, the optical switch can transmit the beam with high efficiency without leakage to the outside, and a small stroke of the shutter is sufficient to completely transmit or stop the beam. In another similar optical switch having a reflecting surface (11a) at the tip of the shutter (8) for inclining the beam, as well as having a secondary receiving optical fiber (12) aligned with the path of the inclined beam, the beam is switched to be transmitted to the primary receiving optical fiber (4) or to the secondary receiving optical fiber (12) according to the position of the shutter. Thus, the ON/OFF state of the optical switch can be indicated, or a transfer-type optical switch can be obtained by using the secondary receiving optical fiber as well as the primary receiving optical fiber as switching circuits.
    • 一种具有设置在导光部件(5,10)中的两个球形或椭圆形角反射表面(5c)的光学开关,用于打开和关闭角部反射表面之间的光路的遮光板(8)和聚焦透镜 (5b),用于将来自发射光纤(3)的入射光束聚焦,并将发光束从导光部件聚焦到主接收光纤(4)。 因为透过导光部件的光束几乎全部聚焦在快门移动的气隙(5d)中的一点(A)处,所以光开关可以高效率地传输光束而不泄漏到外部, 快门的小行程足以完全传输或停止光束。 在另一个类似的光开关中,具有用于使光束倾斜的挡板(8)的尖端处的反射表面(11a),以及具有与倾斜光束的路径对准的次级接收光纤(12),光束是 根据快门的位置切换到主接收光纤(4)或副接收光纤(12)。 因此,可以指示光开关的ON / OFF状态,或者可以通过使用次级接收光纤以及主接收光纤作为开关电路来获得转移型光开关。
    • 17. 发明公开
    • Faseroptischer Schalter
    • 光纤开关
    • EP0476241A3
    • 1992-05-13
    • EP91110535.1
    • 1991-06-26
    • Richard Hirschmann GmbH & Co.
    • Roeckle, JürgenGötzelmann, JoachimFrank, Ewald
    • G02B26/02
    • G02B6/3508G02B6/3552G02B6/3566G02B6/3578
    • Bei einem faseroptischen Schalter (1) mit einem starren Schaltelement (1a) und einem bewegbaren Schaltelement (1 b), wobei am starren Schaltelement (1a) und am bewegbaren Schaltelement (1 b) jeweils wenigstens eine Lichtwellenleiterfaser (13, 14) befestigt ist, deren einander zugewandte Faserschaltenden (13a, 13b, 14a, 14b) in der einen Schaltstellung an der vorhandenen Stoßstelle (15) miteinander fluchten, und das bewegbare Schaltelement (1b) in einer die Faserschaltenden enthaltenden Ebene quer zur Lichtwellenleiterfaser (13, 14) bewegbar an den einen Enden von biegbaren Streifen (8) gehalten ist, die einen Abstand voneinander aufweisen, sich quer zur Bewegungsrichtung (10) des bewegbaren Schaltelements (1b) erstrecken, hochkant zur Bewegungsebene angeordnet sind und mit ihren anderen freien Enden ortsfest gehalten sind, soll der Herstellungsaufwand und/oder die Baugröße verringert werden. Dies wird dadurch erreicht, daß das starre Schaltelement (1a), das bewegbare Schaltelement (1b) und die biegbaren Streifen (8) einteilig miteinander verbunden sind. Gemäß einer anderen Ausgestaltung ist ein aktivierbares Biegeelement (24) die Stoßstelle (15) überbrückend angeordnet.