| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 359200700 | Electromagnetic driver | 46 |
| 20090122377 | LENS DEVICE COMPRISING A DISPLACEABLE LENS AND LASER SCANNING SYSTEM - Shown is a lens device | 05-14-2009 |
| 20090174921 | OPTICAL DEVICE, OPTICAL SCANNER, AND IMAGE FORMING APPARATUS - An optical device includes a mass section in a plate shape including a light reflector with light reflectivity, a supporting section for supporting the mass section, a pair of elastic sections with elastic deformability for coupling the mass section to the supporting section in a pivotally movable manner, and a driving unit for pivotally moving the mass section, the driving unit including a magnetic section provided to the mass section, magnetized in a direction perpendicular to a surface of the mass section, a pair of magnetic poles with different polarities, provided in a manner to face each other in a direction perpendicular to a pivotal movement central axis with the magnetic portion intervened on the basis of a top view of the mass section in a non-driven condition, and a magnetic field generator having a coil for generating a magnetic force between the pair of magnetic poles. The mass section is pivotally moved upon torsional deformation of the elastic section by operating the driving unit so that a direction of light reflected by the light reflector is changeable. The magnetic generator is structured in a manner to generate a magnetic field between the pair of magnetic poles by applying a voltage to the coil to pivotally move the mass section with respect to the supporting section. | 07-09-2009 |
| 20090310198 | SCANNER - A scanner is disclosed that includes: a mirror, which may be formed on a light path, and which may reflect incident light; a mirror holder, which may support the mirror; a housing, which may rotatably support the mirror holder; two driving coils, which may be secured to the housing, formed symmetrically about the rotational shaft of the mirror holder; and a driving magnet, which may be coupled to the mirror holder, to be inserted inside the two driving coils. This scanner can be utilized to reflect rays of light in a stable manner to form a more even image. | 12-17-2009 |
| 20090316242 | OPTICAL SCANNER AND IMAGE FORMING APPARATUS - An optical scanner includes an inductor, an electric supply unit, an emitter, a mirror, a first receiving element, a second receiving element, and a measuring unit. The electric supply unit applies a supply voltage to the inductor alternately in opposite applying directions. The mirror reflects a laser beam to scan a photosensitive body within a scanning range. Each of the receiving elements is positioned at one end of the scanning range. The measuring unit measures the scanning time taken for the laser beam to be detected by the second receiving element after the beam is detected by the first receiving element. When the mirror scans the photosensitive body along a first primary scanning line after the mirror scans the body along a second primary scanning line, the electric supply unit varies the supply voltage according to the scanning time measured for the second primary scanning line. | 12-24-2009 |
| 20100002278 | BEAM IRRADIATION APPARATUS - A beam irradiation apparatus includes: an optical element which changes a travel direction of a laser beam by being rotated in a predetermined direction; an actuator which rotates the optical element in the direction; a refractive element which is disposed in the actuator and rotates in association with rotation of the optical element; a servo beam source which emits a servo beam to the refractive element; a photodetector which receives the servo beam refracted by the refractive element and outputs a signal according to a position where the servo beam is received; and a power adjustment circuit which adjusts emission power of the servo beam source. The power adjustment circuit adjusts the emission power so that a reception amount of the servo beam in the photodetector becomes constant based on an output signal from the photodetector. | 01-07-2010 |
| 20100046054 | MEMS MIRROR, MIRROR SCANNER, OPTICAL SCANNING UNIT AND IMAGE FORMING APPARATUS INCLUDING THE OPTICAL SCANNING UNIT - Disclosed are several embodiments of a micro-electro-mechanical systems (MEMS) mirror and a mirror scanner employing the same. An optical scanning unit employing such mirror scanner and an image forming apparatus including the optical scanning unit are also disclosed. The MEMS mirror may include a movable unit, which may in turn include a mirror portion and a magnet frame portion. The mirror portion may have mirror surfaces on the face surface(s) thereof. The magnet frame portion may include an opening into which a magnet is received. The MEMS mirror may also include a first fixing end and a second fixing end, to which the moving unit may be elastically supported by one or more elastic members that allows oscillating or pivoting movement of the moving unit. | 02-25-2010 |
| 20100073750 | BEAM IRRADIATION APPARATUS - A light refracting element formed in parallel plate shape is attached to a support shaft of a mirror holder, a semiconductor laser and a PSD are disposed at positions between which the light refracting element is sandwiched. The light refracting element is rotated by rotation of the mirror holder, and whereby a laser beam irradiation position is changed on a light acceptance surface of PSD. The laser beam irradiation position on a light acceptance surface corresponds to the mirror rotation position, so that the mirror rotation position and a laser beam scanning position in a target area can be detected based on an output from the PSD. | 03-25-2010 |
| 20100134859 | METHOD AND APPARATUS FOR CONSTRUCTION OF MODULAR GALVANO MOTOR SCANNING HEADS - This invention relates to an apparatus of galvano motor scanning head modular construction, assembly and calibration. In addition, the invention relates to the apparatus and construction method to achieve modular galvano motor scanning head products whereby multiple galvano motor and/or multiple galvano motor driven scanning mirror substrates and/or multiple beam expansion or beam collimation or beam de-collimation input optics and/or multiple output delivery optics and/or multiple galvano motor drive electronics configurations may be used to produce said modular galvano motor scanning head dependent upon customer required configurations. | 06-03-2010 |
| 20100149614 | OPTICAL SCANNER - An optical scanner including a substrate, a driving component, and an optical reflector is provided. The driving component is disposed on the substrate and has a first hole. The driving component can swing about a first axis by a time-varied magnetic force. The optical reflector has a reflective surface and is disposed in the first hole. The optical reflector can swing about a second axis by a Lorentz force. The first axis is essentially perpendicular to the second axis. The first axis and the second axis are both essentially parallel to the reflective surface. | 06-17-2010 |
| 20100165433 | OPTICAL SCANNING ACTUATOR - For realizing widening of a light scanning angle and is excellent in durability, the optical scanning actuator includes a movable unit that supports an optical element, a plurality of leaf springs having a thin plate shape with one end portion being fixed and another end portion being attached to the movable unit, and an electromagnetic driving unit including a magnet, a yoke laminated on the magnet to form a closed magnetic circuit together with the magnet, and a coil held by the movable unit. The coil is positioned in a gap between the magnet and the yoke such that opening plane of the coil is substantially orthogonal to a laminating direction of the magnet and the yoke. The movable unit is driven by an electromagnetic force applied to the coil. | 07-01-2010 |
| 20100182666 | SHEETING WITH COMPOSITE IMAGE THAT FLOATS - Techniques are described for forming microlens sheeting having composite images that appear to float with respect to the plane of the sheeting. As one example, a method comprises forming one or more images within a sheeting having a surface of microlenses, wherein at least one of the images is a partially complete image, and wherein each of the images is associated with a different one of the microlenses, wherein the microlenses have refractive surfaces that transmit light to positions within the sheeting to produce a plurality of composite images from the images formed within the sheeting so that each of the composite images appears to float with respect to the plane of the sheeting, and wherein forming the one or more images comprises forming the one or more images such that each of the composite images is associated with a different viewing angle range. | 07-22-2010 |
| 20100182667 | OPTICAL SCANNING APPARATUS AND IMAGE FORMING APPARATUS - An optical scanning apparatus that scans a light beam from a light source includes: a movable portion and a fixed portion. The movable portion includes: a rotating member, which is capable of rotating about a rotation axis being parallel with an optical axis of the light beam, has an open hole through which the light beam passes, and is provided with a first coil; and a mirror that is provided to the rotating member, electrically connected with the first coil, and reflects the light beam that passes through the open hole of the rotating member in a variable angle with respect to the optical axis of the light beam. The fixed portion includes: a magnetic member; and a second coil capable of supplying an electromagnetic field to the first coil. One of a part and a whole of the magnetic member is made of a magnetic material and the magnetic member serves as a magnetic core of the second coil. | 07-22-2010 |
| 20100208318 | LASER SCANNER - A laser scanner for detecting spatial surroundings comprises a stator ( | 08-19-2010 |
| 20100220373 | METHOD AND APPARATUS FOR REACTIVE OPTICAL CORRECTION OF GALVANO MOTOR SCANNING HEADS - This invention relates to a method of optical correction of field position distortions created by galvano motor scanning heads. In addition, the invention relates to the apparatus and method to achieve a calibration of said field positions to overcome said distortions generated by the delivery optics within a galvano motor scanning head using a pre-calibrated target that may be positioned into a registration or ‘lay’ system for ease of identifying and measuring said series of marks by removal and replacing said pre-calibrated target into said registration or ‘lay’ system, pre-determined logic means to generate a series of marks on said pre-calibrated target using said galvano motor scanning head and said galvano motor scanning head control apparatus and operator input so that said logic means may calculate from a minimum number of operator entries corresponding to said series of marks on said pre-calibrated target that may be positioned into said registration or ‘lay’ system for ease of identifying and measuring said series of marks by removal and replacing said pre-calibrated target into said registration or ‘lay’ system a full field correction of the field position distortions taking into account all beam or laser beam, mounting, alignment and parallelity intolerances to generate corrected galvano motor position control optical correction data reactive to the exact parameters of an individual laser, delivery optic/s, galvano motor scanning head and target plane set-up. | 09-02-2010 |
| 20100321751 | MIRROR ACTUATOR AND BEAM IRRADIATION DEVICE - A mirror actuator includes a base block; a first pivot shaft fixedly attached to the base block; a first pivot portion pivotally supported on the first pivot shaft; a second pivot shaft fixedly attached to the first pivot portion and perpendicularly intersecting with the first pivot shaft; a second pivot portion pivotally supported on the second pivot shaft; and a mirror attached to the second pivot portion. In the above arrangement, the first pivot portion and the second pivot portion respectively have a first bearing portion and a second bearing portion for bearing the first pivot shaft and the second pivot shaft at one position. | 12-23-2010 |
| 20100321752 | METHOD FOR CORRECTING A CONTROL OF AN OPTICAL SCANNER AND THE OPTICAL SCANNER - In a method for correcting a control of an optical scanner ( | 12-23-2010 |
| 20100328746 | COMPENSATING FOR VOICE COIL THERMAL EXPANSION IN A MICROARRAY SCANNER - A lens stage for use in a scanning system is provided. In certain embodiments, the lens stage comprises: a) a support comprising a first rail and a second rail, in which the first rail and the second rail are mounted to the support in parallel; and b) a linearly moveable lens assembly comprising: i) a voice coil comprising a moving coil that moves in a direction parallel to the rails; ii) a lens; iii) a bracket that is attached to: a) the moving coil and b) the lens, and moveably engaged with the rails via a set of bearing cars; and iv) means to reduce force exerted on the set of bearing cars due to thermal expansion of the moving coil. | 12-30-2010 |
| 20110002023 | LIGHT CONTROLLING APPARATUS AND OPTICAL SYSTEM - A light controlling apparatus includes a substrate having an aperture, a light controlling section which includes at least one incident-light controlling means, having a magnet joined to a position of a center of rotation, and which rotates in a plane perpendicular to an optical axial direction, on the substrate, and at least one coil which imparts a rotational force to the magnet. The incident-light controlling means is displaced to a retracted position of being retracted from the position of the aperture, by supplying an electric power supply, and in the light controlling apparatus in which, incident light which passes through the aperture is controlled, the coil is disposed to be extended in a direction parallel to the optical axis. | 01-06-2011 |
| 20110019253 | SCANNER MOTOR - Disclosed herein is a scanner motor. The motor includes a base plate supporting the scanner motor, with a circuit board mounted on the base plate. A rotating shaft supports the scanner motor vertically in such a way that the scanner motor is rotatable. A bearing is rotatably fitted over the rotating shaft. A bearing holder holds the bearing. A stator is mounted to an outer circumference of the bearing holder to generate electricity. A rotor case is rotatably fitted over the rotating shaft so as to mount a polygon mirror. Three semicircular protrusions protrude from an upper portion of the rotor case at regular intervals to stably support the polygon minor. A concave part is formed between the protrusions to absorb external stress. | 01-27-2011 |
| 20110038023 | OPTICAL DEVICE, OPTICAL SCANNER, AND IMAGE FORMING APPARATUS - An optical device includes: a movable plate disposed in a distribution range of light input from outside, and having a light reflecting surface adapted to reflect the light; a shaft member adapted to support the movable plate so that the movable plate can swing around a predetermined axis; a permanent magnet associated with the movable plate; and a coil generating an electromagnetic force to swing the movable plate. An upper surface of the coil is opposite to the permanent magnet, and the upper surface of the coil is formed as a plane having a predetermined angle with respect to a plane parallel to the movable plate | 02-17-2011 |
| 20110063702 | TWO-DIMENSIONAL OPTICAL SCANNER AND IMAGE DISPLAY APPARATUS - A two-dimensional optical scanner and an image display apparatus are provided. The optical scanner includes: a movable portion having a mirror portion, and a first driving portion which is configured to oscillate the mirror portion around a first axis; a second driving portion which is configured to oscillate the movable portion around a second axis perpendicular to the first axis; and a driving controller which is configured to drive the first driving portion in a first driving method and is configured to drive the second driving portion in a second driving method different from the first driving method. While the first driving portion oscillates the mirror portion around the first axis, the second driving portion oscillates the movable portion around the second axis, so that the mirror portion reflects a beam of light incident to the mirror portion such that the two-dimensional optical scanner performs a two-dimensional scanning. | 03-17-2011 |
| 20110069366 | OPTICAL DEFLECTION DEVICE FOR SCANNING, OPHTHALMOLOGIC MEASUREMENT AND THERAPY SYSTEM - An optical deflection unit for targeted radiation, e.g., produced by laser or superluminescent diodes, in scanning, ophthalmological measuring and therapy systems, comprises a deflection mirror, a position sensor and a control unit, which form a control circuit for minimizing the deviation of the actual positions, detected by the position sensor, from the desired positions of the deflection mirror, whereby the optical deflection unit comprises a deflection mirror, oscillatingly movable by means of non-contacting electromagnetic drives around at least one rotation axis, and which is positioned in the direction of the, at least, one rotation axis between at least two bearings. The optical deflection unit is designed may also be used for beam guidance in high and ultrahigh vacuum installations, such as UV and EUV exposure installations for semiconductor lithography. | 03-24-2011 |
| 20110102872 | POLYGON MIRROR DEVICE WITH DISCONTINUOUS ANGLES OF REFLECTIONS - Disclosed is a polygon mirror device with discontinuous angles of reflections discontinuously to reflect a light beam from a light source with at least one angle. The polygon mirror device with discontinuous angles of reflections comprises a motor connecting with a base to rotate the base around a rotation axis. The base has an axial end surface to form a reference plane. The reference plane is approximately perpendicular to the rotation axis. A plurality of reflectors is positioned on the reference plane circularly around the rotation axis. The reflectors tilt relative to the reference plane with respective angles to form respective included angles. When the base is rotated around the rotation axis, at least one of the reflectors is moved to a reflecting location for receiving the light beam from the light source and reflects the light beam with an angle of reflection to form an image at a specific place. | 05-05-2011 |
| 20110134498 | Headup display device and method for controlling the same - A reflection unit reflects an image indicated on an indicator and projects the image on a combiner to indicate a virtual image of the image at a position viewable for a user. A stepping motor rotates the reflection unit to move the virtual image continuously in a predetermined section of the combiner. A control unit controls a driving power of the stepping motor such that a smoothness parameter becomes less than a predetermined value. The smoothness parameter is defined by a division of a difference between the maximum speed of the virtual image and an average speed of the virtual image, when the virtual image moves continuously in the predetermined section, by the average speed. | 06-09-2011 |
| 20110181930 | SPINDLE MOTOR - There is provided a spindle motor having a high speed rotation and a low vibration with high rotation accuracy and capable of installing discs at locations which are spaced apart from a stator core in a thrust direction while employing fluid dynamic bearings and a pivot bearing. The spindle motor comprises a shaft, a bearing housing part provided with fluid dynamic bearings for rotatably supporting the shaft, and a pivot bearing, a stator core fitted to the bearing housing part, a motor hub into which the shaft is fitted, wherein the motor hub has disc fixing parts provided thereon at least at two locations for fitting discs thereto, and the fluid dynamic bearings are fitted the bearing housing part at least at two locations. | 07-28-2011 |
| 20110310452 | BIAXIAL SCANNING MIRROR FOR IMAGE FORMING APPARATUS - A biaxial scanning mirror for an image forming apparatus is disclosed in the present invention. The mirror includes a first wafer, a second wafer, and a spacer. The first wafer includes a mirror unit, a rectangular rotating unit, a permanent magnet, and a magnetically permeable layer. The second wafer has at least two cores each surrounded by a planar coil applied with an AC current for switching magnetic polarization of the cores such that the cores are attracted to or repelled from the rotating unit alternatively, thereby driving the rotating unit to rotate. | 12-22-2011 |
| 20110310453 | OPTICAL DEVICE, OPTICAL SCANNER, AND IMAGE FORMING APPARATUS - An optical device includes: a movable plate disposed in a distribution range of light input from outside, and having alight reflecting surface adapted to reflect the light; a shaft member adapted to support the movable plate so that the movable plate can swing around a predetermined axis; a ferromagnetic member provided to the movable plate; and a drive section configured to generate electromagnetic force between the drive section and the ferromagnetic member to thereby swing the movable plate, wherein a portion of the drive section, included in the distribution range of the light, is formed of a surface having a normal vector with which the light is reflected to outside of a predetermined range. | 12-22-2011 |
| 20120002259 | MOLDED ELASTOMERIC FLEXURAL ELEMENTS FOR USE IN A LASER SCANNING ASSEMBLIES AND SCANNERS, AND METHODS OF MANUFACTURING, TUNING AND ADJUSTING THE SAME - A laser scanning assembly includes a coil support element having a central axis about which is wound an electromagnetic wire coil and having a flange oriented generally transverse to the central axis. An elastomeric flexural element has a first end coupled to the flange. A permanent magnet has first and second surfaces, a central axis, and a magnetization direction oriented generally transverse to the central axis of the permanent magnet. The magnet is supported by a second end of the elastomeric flexural element. A mirror has a central axis and is mounted on the second surface of the magnet. The central axes of the mirror and magnet are coaxial with the central axis of the coil support element. The elastomeric flexural element provides a return force when the magnet and the mirror are rotated at an angle from the central axis during energization of the electromagnetic wire coil. | 01-05-2012 |
| 20120127551 | SMALL SIZE FAST STEERING MIRROR HAVING SMALL SIZE AND EXCELLENT VIBRATION CHARACTERISTICS - A fast steering mirror has n plate springs ( | 05-24-2012 |
| 20120147444 | Magnetic actuator - A magnetic actuator includes: a plate having a main plane of extent and mounted rotatably about at least one first axis of rotation which is parallel to the main plane of extent, the plate having at least one conductor loop parallel to the main plane of extent; a magnetic bracket situated beneath the plate and having a U-shaped magnetic flux conducting rail and a hard magnet whose magnetization is perpendicular to the U-shaped opening, the magnetic bracket and the plate being aligned with one another in such a way that the opening in the magnetic bracket points toward the main plane of extent of the plate, the U-shaped magnetic flux conducting rail having a main direction of extent parallel to the first axis of rotation, and the plate being deflectable about the at least one axis of rotation by energizing the at least one conductor loop. | 06-14-2012 |
| 20120194891 | OPTICAL BEAM CONTROL BASED ON FLEXURE ACTUATION WITH POSITIONING SENSING AND SERVO CONTROL - Implementations of actuators that use flexures to provide support to actuators and pivoting mechanisms to the actuators. Such actuators can be electromagnetically activated actuators that include a magnet stator and a coil rotor mounted on a flexure. A positioning sensor, such as a capacitor sensor, is provided to measure and monitor positioning of the actuator and is coupled to a feedback circuit which uses the measured positioning of the actuator to control the actuator. | 08-02-2012 |
| 20130010340 | DEVICE FOR SCANNING AN OBJECT, METHOD FOR OPERATING THE DEVICE AND SCANNING MICROSCOPE - The invention relates to a device for scanning an object comprising a carrier body ( | 01-10-2013 |
| 20130033733 | ACTUATOR, LIGHT SCANNER, AND IMAGE FORMING DEVICE - An actuator includes a movable section swinging around a predetermined swing axis, a connecting section extending from the movable section, and being torsionally deformed in accordance with swing of the movable section, a support section supporting the connecting section, a magnet being disposed on a plate surface of the movable section, and a coil generating a magnetic field acting on the magnet to thereby swing the movable section, and the movable section has a cross shape in a plan view. | 02-07-2013 |
| 20130044359 | OPTICAL SCANNING APPARATUS AND IMAGE FORMING APPARATUS - An optical scanning apparatus that scans a light beam from a light source includes: a movable portion and a fixed portion. The movable portion includes: a rotating member, which is capable of rotating about a rotation axis being parallel with an optical axis of the light beam, has an open hole through which the light beam passes, and is provided with a first coil; and a mirror that is provided to the rotating member, electrically connected with the first coil, and reflects the light beam that passes through the open hole of the rotating member in a variable angle with respect to the optical axis of the light beam. The fixed portion includes: a magnetic member; and a second coil capable of supplying an electromagnetic field to the first coil. One of a part and a whole of the magnetic member is made of a magnetic material and the magnetic member serves as a magnetic core of the second coil. | 02-21-2013 |
| 20130063799 | MAGNETIC FORCE DRIVE DEVICE, OPTICAL SCANNING DEVICE, AND IMAGE DISPLAY DEVICE - A magnetic force drive device ( | 03-14-2013 |
| 20130242363 | METHOD AND DEVICE FOR SCANNING LIGHT - A method of scanning a light beam is disclosed. The method comprises scanning the light beam along a first axis and scanning the light beam along a second axis, such that a functional dependence of the scanning along the first axis is substantially a step-wave, and a functional dependence of the scanning along the second axis is other than a step-wave. | 09-19-2013 |
| 20130321890 | IMAGE DISPLAY APPARATUS AND HEAD-MOUNTED DISPLAY - An image display apparatus includes a plurality of light source sections, a light combining section that combines light fluxes, an optical scan section that swings around a first axis and a second axis to deflect a combined light from the light combining section for scanning, and a controller that controls an amplitude of the optical scan section around the first axis to be greater than that of the optical scan section around the second axis, wherein an optical axis of each of the light fluxes from the plurality of light source sections to the optical scan section and the first axis are present in a first plane, the optical scan section has a light reflection surface configured to be perpendicular to the first plane, and the light reflection surface is irradiated with the combined light and traveling in a direction inclined to a normal to the light reflection surface. | 12-05-2013 |
| 20140029075 | DEFLECTION MIRROR ARRANGEMENT FOR AN OPTICAL MEASUREMENT APPARATUS AND CORRESPONDING OPTICAL MEASUREMENT APPARATUS - The invention relates to a deflection mirror arrangement ( | 01-30-2014 |
| 20140092458 | MAGNETICALLY DRIVABLE MICROMIRROR - A magnetically drivable micromirror having an outer frame, a coil former, and torsion springs, situated in a first plane, the torsion springs having an axis of rotation, and the coil former being connected to the outer frame by the torsion springs so as to be capable of rotational motion about the axis of rotation, having a mirror element that is situated in a second plane parallel to the first plane, the mirror element being connected to the coil former by an intermediate layer. A 2D scanner having a first magnetically drivable micromirror and a second drivable mirror, and to a method for producing a micromirror are also described. | 04-03-2014 |
| 20140177021 | OPTICAL SCANNING DEVICE, AND ENDOSCOPE, MICROSCOPE, AND PROJECTOR EACH PROVIDED WITH THE SAME - An optical scanning device includes an optical fiber, a holding member cantilevering the optical fiber, a first driving device placed on the distal end of the optical fiber and making the optical fiber vibrate in a first direction, and a second driving device placed between the holding member for the optical fiber and the first driving device and making the optical fiber vibrate in a second direction which crosses the first direction. | 06-26-2014 |
| 20140268269 | METHOD OF FORMING A GRID DEFINING A FIRST RELATIVE REFERENCE FRAME - A method of projecting into space, from a first object, a plurality of modulated lines to form a grid defining a first relative reference frame, the method includes projecting polarized light having a first orientation to form a horizontal grid line projecting from the first object and projecting polarized light having a second orientation different than the first orientation to from a vertical grid line projecting from the first object and modulating the horizontal grid line and the vertical grid line to carry first and second grid words, respectively. | 09-18-2014 |
| 20140313557 | MEMS Device with Multi-Segment Flexures - A microelectromechanical systems (MEMS) device includes a scanning platform suspended from a fixed platform by two flexures that form a pivot axis. The two flexures may be symmetric or asymmetric about a centerline of the scanning platform. At least one flexure includes two segments that are not parallel to each other. A second flexure may include two segments with one segment being wider than the other. Flexure design reduces effects of mounting and thermal stresses when the MEMS device is mounted as part of an assembly. | 10-23-2014 |
| 20150092256 | MIRROR ROTATING APPARATUS - A mirror rotating apparatus includes a stationary portion and a rotating portion. The stationary portion includes a detection sensor configured to detect rotation of the rotating portion. The rotating portion includes a mirror portion whose outside surface includes a plurality of mirror surfaces that face radially outward. The mirror portion includes a rotation detection surface opposite to the detection sensor, and a balance correction portion defined by a groove or a projection extending in a circumferential direction in the rotation detection surface. The balance correction portion locates a center of gravity of the mirror portion closer to the rotation axis. The rotation of the rotating portion causes the balance correction portion to pass through a region to which light is emitted from the detection sensor. | 04-02-2015 |
| 20160077331 | Scanner Device - The invention relates to a scanner device having a mirror arranged so as to be pivotable about an axis of rotation, an iron core with an air gap, a coil arranged about a portion of the iron core, and two permanent magnets. The two magnets have differently directed magnetizations and are arranged inside the air gap at different angular rotation positions with respect to the axis of rotation. An armature made of a soft-magnetic material is arranged on the mirror in such a manner that the armature is residing inside the air gap and, by means of application of electric current to the coil, the armature is moved toward one of the two magnets, depending on the direction of the current, and the mirror rotates. | 03-17-2016 |
| 20160116732 | PIEZOELECTRIC AND ELECTROMAGNETIC TYPE TWO-DIMENSIONAL OPTICAL DEFLECTOR AND ITS MANUFACTURING METHOD - In a two-dimensional optical deflector including: a mirror; two first torsion bars coupled to the mirror along a first axis; an inner frame surrounding the mirror; two piezoelectric actuators each coupled between the first torsion bars and supported by the inner frame; an outer frame surrounding the inner frame; and two second torsion bars coupled between the inner frame and the outer frame along a second axis; a first permanent magnet layer formed on at least a part of a rear-side surface of the inner frame. A base supports the outer frame. A coil is formed at the base. A magnetic flux generated from the coil interacts with a magnetic flux of the first permanent magnetic layer. | 04-28-2016 |
| 20220137399 | GALVANOMETER MOTOR APPARATUS - Disclosed is a galvanometer motor apparatus. The galvanometer motor apparatus includes a housing, a stator assembly, and a rotor assembly, wherein the rotor assembly includes an axle and a magnet that are coaxially arranged, and the stator assembly includes a frame and a single electromagnetic coil wound on the frame; wherein a first through hole configured to allow the magnet to rotatably run through is molded on the frame, the electromagnetic coil is disposed on a side of the first through hole, the electromagnetic coil is excitable to generate a drive magnetic field to magnetize the frame to supply a torque to the magnet, a recess configured to receive the stator assembly is molded in the housing. With such configurations, structure design is optimized, assembling is simpler, and efficiency is higher. | 05-05-2022 |
