Class / Patent application number | Description | Number of patent applications / Date published |
359225100 | Pivotally or moving in circular arc | 26 |
20090122382 | Equalization Device for Optical Pathways Followed by a Plurality of Optical Beams - Equalization device for the optical pathways of parallel optical beams (f | 05-14-2009 |
20090180169 | BIAXIAL MEMS MIRROR WITH HIDDEN HINGE - A multi-layer hidden hinge and actuator design for high fill factor biaxial MEMS mirror array for wavelength selective switches (WSS) based on a silicon-on-insulator (SOI) process with wafer bonding and coarsely aligned orthogonal vertical comb and/or parallel plate actuator. Each micro-mirror in the MEMS linear piano micro-mirror array comprises a micro-mirror layer, a hinge layer and an electrode/substrate layer. Preferably, the roll and tilt electrodes are substantially disposed along the roll axis to provide a high fill factor. The structure is formed by fabricating the layers separately in SOI structure and then bonding them together. | 07-16-2009 |
20090244676 | Mirror Device and Mirror Device Manufacturing Method - When a mirror ( | 10-01-2009 |
20090244677 | MIRROR CONTROL DEVICE - A mirror control device includes a pivotally supported mirror ( | 10-01-2009 |
20090296182 | MICRO MIRRORS HAVING A MIRROR PLATE WITH INTERDIGITATED ARMS - A micro mirror device includes a first hinge supported by a substrate, a mirror plate tiltable around the first hinge and having a first set of arms facing the substrate, and a second set of arms on the substrate. The first set of arms and the second set of arms can be interdigitated when the mirror plate is tilted. The micro mirror device includes a first lateral guard on the substrate (or the mirror plate). The first lateral guard can limit movement of the mirror plate to a position in a first direction substantially parallel to an upper surface of the substrate to prevent the first set of arms from contacting the second set of arms when the arms are in the interdigitated position. | 12-03-2009 |
20100027093 | WIDE ANGLE IMMERSIVE DISPLAY SYSTEM - A wide angle display system, comprising a scanner having at least one reflective surface and an axis of rotation, a dome having a reflective inner surface, the inner surface having an axis of revolution which is coincident with the axis of rotation of the scanner, at least one linear arrangement of light sources producing beams of light. The reflective surface of the scanner reflects the beams of light towards the reflective inner surface of the dome which in turn collimates the beams of light and reflects them towards an observer positioned within the wide angle display system. | 02-04-2010 |
20100103494 | COUNTER-BALANCED MEMS MIRROR WITH HIDDEN HINGE - A multi-layer hidden hinge and actuator design for high fill factor biaxial MEMS mirror array for wavelength selective switches (WSS) based on a silicon-on-insulator (SOI) process with wafer bonding and coarsely aligned orthogonal vertical comb and/or parallel plate actuator. The present invention relates to a micro-mirror in a MEMS linear piano micro-mirror array comprising a micro-mirror layer, a hinge layer and an electrode/substrate layer. The structure is formed by fabricating the layers separately in SOI structure and then bonding them together. | 04-29-2010 |
20100321753 | Optical communications system with selective block/add capability of an optical channel - An optical communications system has a selective block/add capability of an optical channel. An optical beam separator receives and separates an input mixed optical beam into a separated optical channel and a remainder optical beam. A block/add unit receives as an input the separated optical channel and produces as an output a controllably modified separated optical channel. The block/add unit includes a source of an add input optical signal, and a controllable mirror. The controllable mirror is controllable between a first state in which the controllable mirror does not block the path of the separated optical channel, so that the separated optical channel is the output of the block/add unit, and a second state in which the controllable mirror blocks the path of the separated optical channel, and also reflects the add input optical signal as the output of the block/add unit. An optical beam combiner receives the output of the block/add unit and combines the output of the block/add unit with the remainder optical beam. | 12-23-2010 |
20100321754 | WAVELENGTH SELECTIVE SWITCH - A wavelength selective switch includes a port array including three or more input and output ports arranged on a first plane in which first and second axes lie along the first axis, a dispersive element to disperse a light beam launched from an input port in a second plane in which the second axis and a third axis lie, a focusing optical element to focus dispersed light beams, and a mirror array to couple a focused light beam to an output port through the elements. The array has a mirror substrate arranged across the second plane. The substrate includes movable mirrors arranged in a line and allowed to be two-dimensionally tilted. The substrate is arranged so that its surface facing the focusing optical element has a tilt angle about the first axis with respect to a third plane in which the third and first axes lie. | 12-23-2010 |
20110255140 | Modified Electrode Signal During Reset Of A Micro-Mirror Display Device - Methods, systems, and apparatus for resetting a micro-mirror devices. In one aspect, a micro-mirror device includes a mirror plate tiltable about a hinge, two electrodes located on different sides of the hinge, a memory storing state data for the electrodes, and a state modifier operable to receive the state data for the electrodes from the memory and, during a reset of the mirror plate, change the state for at least one of the electrodes from the state specified by the state data stored in memory to a different state. | 10-20-2011 |
20110286070 | MIRROR SWING RANGE CONTROL DEVICE OF LIGHT SCANNING APPARATUS - The mirror swing range control device is capable of reducing a production cost of the control device and precisely adjusting a swing range of a mirror section. The mirror swing range control device comprises: a swing range detecting section for detecting a swing range of the mirror section swung by driving the vibration source; a signal processing section for arithmetically processing a detection signal, which is generated by the swing range detecting section, so as to generate an inverted detection signal; a standard value generating section for generating a standard value signal indicating a standard time interval; a comparing section for adding the inverted detection signal to the standard value signal, integrating calculated errors and generating an error signal; and a swing range adjusting section for performing feedback control, in which a cancelling signal is applied to the drive circuit for a prescribed time when the comparing section generates the error signal, so as to cancel an increase-decrease value of the error signal. | 11-24-2011 |
20120281266 | PIVOTABLE MEMS DEVICE - A tiltable MEMS device is disclosed having an asymmetric, electrostatically actuated tiltable platform and a reflector mounted on the platform so that the platform is hidden below the reflector, except for a portion of long side of the platform extending from under the reflector. An electrostatic stator actuator is mounted on the substrate under the long side of the tiltable platform. The range of a unidirectional tilt is increased by providing a recess in the substrate under the extended portion of the platform to accommodate the increased range of movement of the tiltable platform. | 11-08-2012 |
20130033734 | Device for Variable Deflection of Light | 02-07-2013 |
20130038917 | WAVELENGTH SELECTIVE SWITCH - Provided is a wavelength selective switch which includes: at least one input port; a dispersive portion for dispersing wavelength-multiplexed light input from the input port into wavelength-demultiplexed lights; a condenser element for condensing the wavelength-demultiplexed lights dispersed by the dispersive portion; a deflection portion having deflection elements for deflecting, for each wavelength-demultiplexed light condensed by the condenser element; at least one output port for outputting the wavelength-demultiplexed lights deflected by the deflection portion. A light-condensing position shift compensating element is disposed in an optical path between the input port and the dispersive portion or in the dispersive portion, for compensating light-condensing position shift of the wavelength-demultiplexed lights relative to the deflection element, light-condensing position shift being generated based on the arrangement of the input ports. | 02-14-2013 |
20130083383 | MIRROR MODULE - The invention relates to a mirror module of a Fresnel Solar Collector System with a plurality of mirror elements pivotably mounted on a carrier plate and extending in parallel, which focus the sun light upon a receiver unit mounted above the mirror module in a raised position. The mirror elements are pivotably mounted on the carrier plate at least along longitudinal sections. | 04-04-2013 |
20130120820 | BEAM CONTROL APPARATUS FOR AN ILLUMINATION BEAM AND METROLOGY SYSTEM COMPRISING AN OPTICAL SYSTEM CONTAINING SUCH A BEAM CONTROL APPARATUS - A beam control apparatus for an illumination beam includes an imaging illumination optical unit assembly for imaging an intermediate focus of the illumination beam onto an object field to be illuminated. A control component that influences a beam path of the illumination beam is displaceable in at least one degree of freedom by at least one displacement actuator. A position sensor device of the beam control apparatus detects a position of the intermediate focus. A control device of the beam control apparatus is signal-connected to the position sensor device and the displacement actuator. From an intermediate focus position signal received from the position sensor device, the control device calculates control signals for the displacement actuator and forwards the latter to the displacement actuator for controlling the position of the intermediate focus. This results in a beam control apparatus which makes well-controllable illumination possible together with a simple construction. | 05-16-2013 |
20140043665 | ILLUMINATION SYSTEM OF A MICROLITHOGRAPHIC PROJECTION EXPOSURE APPARATUS - An illumination system of a microlithographic projection exposure apparatus comprises an optical raster plate having a light entrance surface. An irradiance distribution on the light entrance surface determines an angular light distribution of projection light when it impinges on a mask to be illuminated. The illumination system further comprises a control unit and a spatial light modulator which produces on the light entrance surface of the optical raster plate a plurality of light spots whose positions can be varied. At least some of the light spots have, along a reference direction (X), a spatial irradiance distribution comprising a portion in which the irradiance varies periodically with a spatial period P. | 02-13-2014 |
20140078568 | MULTI-AXIS, LARGE TILT ANGLE, WAFER LEVEL MICROMIRROR ARRAY FOR LARGE SCALE BEAM STEERING APPLICATIONS | 03-20-2014 |
20140146377 | CONTRAST ENHANCING SYSTEM - A contrast enhancing system is provided comprising: a digital micromirror device (DMD); a light source; a first integrator that receives light from the light source, comprising lateral long and short dimensions, the lateral short dimension at a non-zero angle to the DMD tilt axis; a second integrator that receives and shapes light from the first integrator; a telecentric lens about midway between the integrators that generates fast and slow f-number directions of the light in angle space, respectively corresponding to the lateral long and short dimensions of the first integrator, the slow f-number direction correspondingly at the non-zero angle to the DMD tilt axis, thereby increasing dead-zones between adjacent ones of a DMD illumination path and DMD reflection paths for each of the on, flat and off-state positions; and, at least one optical component that focuses the light along the illumination path from the second integrator onto the DMD. | 05-29-2014 |
20140211289 | HEAD-MOUNTED IMAGE DISPLAY APPARATUS - A head-mounted image display apparatus includes: a light source that emits laser light; a splitter that splits the laser light into first laser light and second laser light having a different optical intensity than the first laser light; an image drawing section that causes the first laser light to be reflected off a mirror and causes the mirror to make pivotal motion to perform image drawing; a controller that controls the pivotal motion of the mirror; and a notification section that notifies other persons by diffusing the second laser light that the image drawing section is performing image drawing. | 07-31-2014 |
20140355095 | MULTI-PURPOSE OPTICAL CAP AND APPARATUS AND METHODS USEFUL IN CONJUNCTION THEREWITH - A method for protecting an optical MEMS device, including providing an optical MEMS device defining a field of view and including layers which define a main plane; and forming a protective element, constructed and operative for at least partly covering the optical MEMS device, from an optical structural material and wherein the protective element includes a planar portion tilted with respect to said main plane via which a majority of light energy directed toward said main plane must pass. | 12-04-2014 |
20150338640 | APPARATUS AND METHODS FOR COMBINING AND SEPARATING MULTIPLE BEAMS - A method of combining and co-aligning a plurality of radiation beams each having a respective waveband, includes the steps of passing each of said radiation beams to a respective lateral deflector to impart a selected lateral displacement to said beam. Each of said radiation beams with respective imparted lateral displacements is then passed to an optical collimating element which passes said radiation beams to an optical deflecting element which applies a wavelength dependent deflection to the radiation beams. The respective lateral displacements are selected having regard to the waveband of each beam to cause all to exit the optical deflecting element at the same angle so they are co-aligned. | 11-26-2015 |
20150346457 | MIRROR UNIT - A mirror unit may include a mirror, a first holding member holding the mirror, a second holding member holding the first holding member to allow the first holding member to pivot on a first pivot shaft, an actuator provided on the second holding member and configured to allow the first holding member to pivot, and a counter weight provided on the first holding member to allow a centroid of a structure to be substantially coincident with a center of a reflection surface of the mirror. The structure includes the mirror and is pivotable on the first pivot shaft. | 12-03-2015 |
20160011413 | REFLECTIVE OPTICAL ELEMENT FOR A DYNAMIC DEFLECTION OF A LASER BEAM AND METHOD FOR MANUFACTURE THEREOF | 01-14-2016 |
20160077307 | MOVEABLE MIRROR ASSEMBLY FOR ELECTRONIC DEVICE CASE - A moveable mirror assembly can be used in connection with a case for a portable electronic device. The assembly can include a mirror housing and a mirror positioned within the mirror housing to redirect light to a portable electronic device within the case. The assembly can also include a rotational member coupled with the mirror housing and the case. | 03-17-2016 |
20160161734 | LINE-OF-SIGHT DIRECTION CONTROL DEVICE - An object of the present invention is to widen a range in which line of sight change is possible, particularly in a pan direction. According to the present invention it is possible to acquire high line of sight changing speed. A pan mirror is capable of rotation in forward and reverse directions about a third rotational axis. Also, the third rotational axis extends in a direction that is substantially parallel to a line of sight direction directed from a tilt direction control section to the pan mirror. An angle α formed by the pan mirror and the third rotational axis is set in a range 0°<α<90°. The tilt direction control section can scan line of sight direction with respect to a virtual plane formed by a rotation locus of the pan mirror. The tilt direction control section can also control tilt angle of the line of sight direction from the pan mirror to a physical object. The pan mirror can control pan angle of the line of sight direction from the pan mirror to the physical object by being rotated about the third rotational axis. | 06-09-2016 |