Entries |
Document | Title | Date |
20090080044 | MICRO-OSCILLATING MEMBER, LIGHT-DEFLECTOR, AND IMAGE-FORMING APPARATUS - The present invention provides a resonance type micro-oscillating member capable of retraining a fluctuation of angular velocity, and specifically provides a micro-oscillating member, which is a nested micro-oscillating member, wherein there exist a reference oscillation mode which is the characteristic oscillation mode of a reference frequency, and an even numbered oscillation mode which is the characteristic oscillation mode of a frequency being approximate even number times the reference frequency. | 03-26-2009 |
20090080045 | Light scanning device and image forming apparatus - A light scanning device which exposes a photoconductor of an image forming apparatus, includes: a light emitting unit which emits a light; a mirror which reflects a light emitted by the light emitting unit in a direction toward the photoconductor; an obtaining unit which obtains data on a speed of an image formation; and a mirror support unit which has at least one contact member provided so that it can be brought into contact with or be detached from the mirror, and which changes at least one of a position and a number of contact members contacting the mirror on the basis of data obtained by the obtaining unit. | 03-26-2009 |
20090161189 | METHOD OF MANUFACTURING A STRUCTURE BASED ON ANISOTROPIC ETCHING, AND SILICON SUBSTRATE WITH ETCHING MASK - A method of manufacturing a structure that includes a mask forming step for forming, on a monocrystal silicon substrate, a base etching mask corresponding to a target shape and a correction etching mask having a joint connecting to the base etching mask, and a target shape forming step for forming the target shape by anisotropically etching the silicon substrate, wherein, in the mask forming step, a lowered-strength portion where a mechanical strength is locally decreased is formed at least in a portion of the joint of the correction etching mask. | 06-25-2009 |
20090161190 | OPTICAL SCANNING APPARATUS CONFIGURED TO DEFLECT AND SCAN LASER BEAM BY USING MEMS MIRROR - During one cycle of reciprocating operation of a MEMS mirror, a light receiving sensor detects a falling time at which a laser beam reflected by an upstream-of-sensor mirror and scanned in one direction passes an edge of a regulation portion, and a rising time at which the laser beam scanned in the other opposed direction passes the edge of the regulation portion. A controller executes an arithmetic operation on the basis of the two times detected by the light receiving sensor and controls the operation of the MEMS mirror, which is performed by the driver, such that the detected two times are held at respective setting times. | 06-25-2009 |
20090180167 | OPTICAL DEFLECTOR - An optical deflector includes a mirror having a reflective plane; a torsion bar extending outwardly from a side of said mirror; a support surrounding said mirror; a piezoelectric cantilever including a supporting body and a piezoelectric body formed on the supporting body, one end of said piezoelectric cantilever being connected to said torsion bar, the other end of the piezoelectric cantilever being connected to said support, said piezoelectric cantilever, upon application of a driving voltage to the piezoelectric body, exhibiting a bending deformation due to piezoelectricity so as to rotate said torsion bar, thereby rotarily driving said mirror through said torsion bar; and an impact attenuator connected to said support, the impact attenuator being disposed in a gap between said mirror and said support. | 07-16-2009 |
20090185248 | OSCILLATING DEVICE, LIGHT DEFLECTOR, AND IMAGE FORMING APPARATUS USING THE SAME - An oscillating device includes a supporting portion, a movable portion, a torsion spring that supports the movable portion with respect to the supporting portion so that the movable portion is capable of torsionally vibrating around a torsion axis, and a driving unit that vibrates the movable portion. The torsion spring is formed of single-crystal silicon, and a crystal orientation parallel to the torsion axis of the torsion spring is a [ | 07-23-2009 |
20090185249 | SCANNING UNIT AND IMAGE DISPLAY DEVICE - A scan unit according to the present invention is a scan unit including: a reflecting portion for reflecting laser light; and an enclosure portion having a movable object enclosed within a hollow, characterized in that the movable object moves in accordance with an angular velocity of the scan unit, thereby changing a reflecting state of the reflecting portion with respect to the laser light. In one embodiment, the movable object moves in accordance with the angular velocity of the scan unit to cover at least a part of the reflecting portion. In one embodiment, the movable object moves in accordance with the angular velocity of the scan unit to deform the reflecting portion. | 07-23-2009 |
20090213445 | Optical scanning device and optical reading system provided with the optical scanning device - An optical scanning device according to an embodiment of the present invention has a support spring composed of S-shaped leaf springs. The support spring is bent at the middle, providing an L-shaped spring, which is composed of two independently working components. One component dominantly biases the scanning mirror body. The other component dominantly swings the scanning mirror body. So configured, the support spring restricts a motion of the shaft around which the scanning mirror body swings, and biases the scanning mirror body onto the shaft and inhibits the body from moving in the axial direction of the shaft. | 08-27-2009 |
20090231653 | OPTICAL DEFLECTOR AND METHOD OF MANUFACTURING THE SAME - An optical deflector has: a movable plate having a reflecting surface and a side surface; and a support portion that supports the movable plate in such a manner that the movable plate is able to rotate around a predetermined axis, in which the side surface of the movable plate is recessed toward the axis. | 09-17-2009 |
20090284815 | METHOD FOR ADJUSTING GALVANO SCANNER SYSTEM - In a galvano scanner system ( | 11-19-2009 |
20090296179 | Image forming apparatus - A polygon scanner including a polygon mirror, a bearing, a polygon motor, and a scanner board is mounted in an optical housing. A scanner-unit attachment portion to which the polygon scanner is attached is formed as a convex portion protruded from a bottom plate of the optical housing such that at least a planar shape of the polygon mirror is surrounded by the convex portion. The scanner board makes a tight contact with an upper surface of the convex portion in direct contact with each other, so that a bottom of the polygon scanner is covered by the convex portion and the bottom plate of the optical housing in a sealed manner. | 12-03-2009 |
20090303561 | OPTICAL SCANNING APPARATUS - An optical scanning apparatus includes a light source which emits an optical beam, a deflection scanning unit, and a control unit. The deflection scanning unit includes a rotating polygonal mirror which deflection-scans the optical beam emitted from the light source so that the optical beam will scan an object to be scanned, and a drive unit which rotationally drives the rotating polygonal mirror. The control unit controls the rotational speed of the rotating polygonal mirror by accelerating or decelerating the drive unit at a predetermined time during one rotation of the rotating polygonal mirror. The predetermined time is a time when a deviation in length of a scanning line formed by each reflecting surface of the rotating polygonal mirror becomes relatively small. | 12-10-2009 |
20100002277 | OSCILLATOR AND OPTICAL DEFLECTOR HAVING OSCILLATOR - An oscillating device includes an oscillator, an elastic supporting member for movably supporting the oscillator, a first supporting frame for supporting the elastic supporting member, and a second supporting frame extending along the elastic supporting member with a spacing maintained therebetween, the second supporting member extending from the first supporting frame, wherein the second supporting frame is provided in a cantilever shape relative to the first supporting frame. | 01-07-2010 |
20100014139 | BEAM IRRADIATION APPARATUS - A beam irradiation apparatus includes: an actuator which scans a target region with a laser beam; a photodetector which receives a servo beam and outputs a signal according to a beam reception position; an optical unit which makes the servo beam displaced on the photodetector in association with driving of the actuator; and a position signal generation circuit that generates a signal according to the reception position of the servo beam based on an output signal from the photodetector. The position signal generation circuit has a signal removal circuit that removes a disturbance signal generated when the laser beam is incident on the photodetector, from an output signal of the photodetector. | 01-21-2010 |
20100033788 | MICROMIRROR AND FABRICATION METHOD FOR PRODUCING MICROMIRROR - A high-fill-factor and large-aperture tip-tilt micromirror array is disclosed. Electrothermal actuation can be used to obtain a large scan range, and the actuation engine can be hidden underneath the mirror plate for high fill factor. In one embodiment, inverted-series-connected (ISC) bimorph actuators can be used to achieve tilt and piston scanning. Embodiments can be used to implement optical phased array technology for steering active and passive electro-optical systems based on MEMS mirrors. | 02-11-2010 |
20100053714 | OPTICAL BOX, OPTICAL SCANNER, AND IMAGE FORMING APPARATUS - An optical box for an optical scanner includes an optical housing and a lid. The optical housing has an opening and a side wall surrounding the opening. The side wall includes inward recessed parts, each of which has a protrusion formed on its outer side. The protrusion can engage with the lid. The lid can so engage with the optical housing as to cover the opening of the housing. The lid has a pair of dust guard walls, between which the whole side wall of the optical housing is sandwiched when the lid is in engagement with the housing. | 03-04-2010 |
20100097678 | Servo Feedback Control Based on Designated Scanning Servo Beam in Scanning Beam Display Systems with Light-Emitting Screens - Scanning beam display systems that scan one servo beam and an excitation beam onto a screen that emits visible light under excitation of the light of the excitation beam and control optical alignment of the excitation beam based on positioning of the servo beam on the screen via a feedback control. | 04-22-2010 |
20100118362 | THREE-DIMENSIONAL SPACE SCANNER - A three-dimensional space scanner is configured so that a reflecting mirror is rotated and tilted so as to scan a mobile object in a horizontal as well as vertical direction, thereby obtaining spatial data. | 05-13-2010 |
20100157403 | Apparatus Comprising an Optical Path Delay Scanner - An optical path delay scanner, comprising a rotatable mount, a first prism and a second prism disposed on the mount, and a radiation source aligned to project light through the first prism and the second prism. The radiation source may be arranged to project the light on a surface of the first prism at an incidence angle corresponding to the prism's minimum deviation angle. The scanner may be disposed in a reference arm of a Michaelson interferometer. | 06-24-2010 |
20100177368 | SCANNING ENDOSCOPE - A scanning endoscope comprising a light transmitter, an actuator, and a force transmitter, is provided. The light transmitter emits a beam of the light exiting the first emission end. The light transmitter is flexible. A longitudinal direction of the light transmitter is a first direction. The actuator is mounted near the first emission end. The actuator bends the light transmitter in a second direction by pushing a side of the light transmitter in the second direction. The second direction is perpendicular to the first direction. A force transmitter is oriented lengthwise in the first direction. The force transmitter is elastic. The force transmitter is positioned between the light transmitter and the actuator. The force transmitter exerts a pushing force supplied by the actuator on the side of the light transmitter while the force transmitter is deformed elastically toward the first direction. | 07-15-2010 |
20100238532 | SCANNER APPARATUS HAVING ELECTROMAGNETIC RADIATION DEVICES COUPLED TO MEMS ACTUATORS - A disclosed optical scanner apparatus can include a member having spaced apart proximal and distal portions. An optical scanning device can be configured to direct optical radiation, which is moveably coupled to the proximal portion of the member and can be configured to rotate in a plane of movement to a first position to direct the optical radiation along a first path and can be configured to rotate in the plane of movement to a second position to direct the optical radiation along a second path. A MicroElectroMechanical Systems (MEMS) actuator can be coupled to the optical scanning device, where the MEMS actuator can be configured to move in a first direction to move the optical scanning device to the first position and can be configured to move in a second direction to move the optical scanning device to the second position. The MEMS actuator can have proximal and distal portions, where the distal portion of the MEMS actuator is coupled to the proximal portion of the member and the proximal portion of the MEMS actuator is coupled to the optical scanning device. Other scanner apparatus are disclosed. | 09-23-2010 |
20100259806 | Fatigue Resistant MEMS Apparatus and System - A microelectromechanical system (MEMS) includes a conductor with improved reliability. The conductor flexes with a moving member in the MEMS device, and the improved reliability is achieved through material selections that provides increased fatigue resistance, reduced crack propagation, and/or mechanisms for improved live at a given strain level. The conductor may include a single material, or may include layers of different materials. | 10-14-2010 |
20100265555 | MEMS DEVICE WITH INDEPENDENT ROTATION IN TWO AXES OF ROTATION - A MEMS arrangement is provided that has a top plane containing a rotatable element such as a mirror. There is a middle support frame plane, and a lower electrical substrate plane. The rotatable element is supported by a support frame formed in the middle support frame plane so as to be rotatable with respect to the frame in a first axis of rotation. The frame is mounted so as to be rotatable with respect to a second axis of rotation. Rotation in the first axis of rotation is substantially independent of rotation in the second axis of rotation. | 10-21-2010 |
20100271679 | SYSTEMS AND METHODS OF PROVIDING IMPROVED PERFORMANCE OF SCANNING MIRRORS COUPLED TO LIMITED ROTATION MOTORS - A mirror is disclosed for use in a limited rotation motor system, wherein the mirror includes a body, an aperture within the body, and a high density material within the aperture. The body, formed of one or more materials, has an exposed mirror surface and is mountable with the limited rotation motor system for rotation with respect to an axis of mirror rotation. The aperture is positioned at least proximate to a portion of the axis of mirror rotation. The high density material is provided within the aperture such that it is capable of movement within the aperture, and the high density material has a density that is greater than a density of the material of the body of the mirror. | 10-28-2010 |
20100321750 | METHOD AND SYSTEM FOR PROVIDING RESONANT FREQUENCY CHANGE COMPENSATION IN A DRIVE SIGNAL FOR A MEMS SCANNER - A method for providing feed forward compensation in a drive signal for a rapid resonant frequency change due to a rapid LASER intensity change upon a micro-electro-mechanical system (MEMS) mirror and/or a surrounding MEMS structure in a MEMS scanner causing a mirror temperature change is provided. The method includes determining an intensity factor for at least one laser beam projected onto the MEMS scanner and adjusting a drive frequency of the drive signal based on the intensity factor. The intensity could represent a single intensity factor for multiple laser beams projected onto the MEMS scanner. The method could also include delaying the adjustment of the drive frequency to allow the resonant frequency change to take affect in the MEMS scanner. Delaying the adjustment could include delaying delivery of the intensity factor such that the intensity factor is provided coincident with the resonant frequency change of the MEMS scanner. | 12-23-2010 |
20110002022 | METHOD OF ADJUSTING A RESONANCE FREQUENCY OF AN OPTICAL SCANNING DEVICE - A method of adjusting a resonance frequency in an optical scanning device, containing:
| 01-06-2011 |
20110019251 | OPTICAL SCANNER, IMAGE FORMING APPARATUS AND IMAGE DISPLAY APPARATUS - There is provided an optical scanner, and an image forming apparatus and an image display apparatus which have the optical scanner. The optical scanner includes a mirror portion having a base plate portion, and a reflective portion which is adhered to a surface of the base plate portion; and a torsion beam portion which is connected to the mirror portion, made of a same material as the base plate portion and integrally formed with the base plate portion, and which is configured to be torsionally vibrated. The reflective portion includes a reinforcement portion and a reflective surface. The reinforcement portion is made of material having a density lower than that of the base plate portion and a Young's modulus greater than that of the base plate portion. The reflective surface is formed on a surface of the reinforcement portion and is configured to reflect the incident light. | 01-27-2011 |
20110032589 | LIGHT DEFLECTOR, METHOD OF MANUFACTURING LIGHT DEFLECTOR, AND IMAGE DISPLAY DEVICE - A light deflector includes: a movable plate; an elastic support section having a first end coupled to the movable plate and adapted to support the movable plate rotatably around a predetermined axis; a support member coupled to a second end of the elastic support section; and a light absorbing section having a light absorbing property, wherein the elastic support section has an upper surface, a lower surface, and at least one side surfaces, each of the side surfaces being formed of one or more tilted surfaces existing outside either one of the upper surface and the lower surface, and the light absorbing section is disposed on the upper surface and the at least one side surfaces of the elastic support section. | 02-10-2011 |
20110085220 | OPTICAL SCANNING DEVICE, IMAGE FORMING APPARATUS, AND IMAGE PROJECTION DEVICE - An optical scanning device includes a substrate, a frame, a torsion beam, and a cantilever. The substrate has a three-layer structure including an oxide film sandwiched between two silicon substrates. The torsion beam swingably supports a mirror portion which deflects a light beam projected from a light source. The cantilever is supported by the frame to connect to the torsion beam and applies torque to the torsion beam. The cantilever and the torsion beam are formed on the same silicon substrate. The cantilever has a thickness substantially thinner than the thickness of the torsion beam. An image forming apparatus includes the optical scanning device. An image projection device includes the optical scanning device. | 04-14-2011 |
20110090549 | OPTICAL SCANNING DEVICE, IMAGE FORMING APPARATUS, AND CONTROLLING METHOD - An optical scanning device includes: a vertical cavity surface emitting laser; a driving unit that controls modulation driving; a coupling optical system that couples a beam; an aperture that is configured to define a beam spot diameter; a deflecting unit that deflects a laser beam incoming; and a scanning optical system that guides the laser beam, wherein the driving unit controls so as to satisfy conditions 1 and 2 below:
| 04-21-2011 |
20110102870 | LIGHT DEFLECTING ELEMENT, LIGHT DEFLECTOR, AND IMAGE FORMING DEVICE - A light deflecting element includes: a movable plate provided with a light reflecting section having light reflectivity; a support section; a coupling section adapted to couple the movable plate rotatably to the support section; and a magnet disposed on an opposite surface of the movable plate to the light reflecting section, wherein the coupling section has a shape having a width gradually increasing in a direction from a side of the light reflecting section toward a side of the magnet in a cross-sectional view perpendicular to a rotational axis of the movable plate. | 05-05-2011 |
20110109950 | DRIVE SIGNAL GENERATOR AND OPTICAL SCANNING DEVICE PROVIDED WITH DRIVE SIGNAL GENERATOR, AND IMAGE DISPLAY DEVICE - A drive signal generator includes: a first storage part which stores data related to a primary processing signal acquired by subjecting a linearly changing saw-tooth signal to the low-pass filter processing; a parameter decision part which decides a parameter for the notch filter processing; a filter part which generates a secondary processing signal by subjecting the primary processing signal read from the first storage unit to the notch filter processing using the decided parameter decided by the parameter decision part; a second storage part which stores data related to the secondary processing signal generated by the filter unit; and a drive signal generation part which reads the data related to the secondary processing signal with a clock having a predetermined frequency and generates the drive signal by subjecting the data related to the secondary processing signal to analog conversion. | 05-12-2011 |
20110205608 | OPTICAL SCANNER AND IMAGE FORMING APPARATUS - An optical scanner includes: a light reflecting section having light reflectivity; a movable plate which includes the light reflecting section and can be displaced; four link sections connected to the movable plate; and a supporting section supporting the four link sections. The four link sections are provided on an outer circumference of the movable plate at 90-degree intervals along a circumferential direction of the movable plate in a plan view. Each link section includes a turnable drive section, and a shaft section which connects the movable plate and the drive section. The shaft section is bent and deformed in a thickness direction of the movable plate by turning the drive section. | 08-25-2011 |
20110211241 | DRIVE CONTROL DEVICE OF LIGHT SCANNING APPARATUS - The drive control device of a light scanning apparatus can be easily controlled, occurrence of overshoot can be prevented, and a scanning range of a mirror section can be adjusted in a short time. An amplitude adjusting section generates at least one of first adjusting voltage for acceleration, whose amplitude is higher than that of adjusting voltage for obtaining object amplitude, and second adjusting voltage for deceleration, whose amplitude is lower than that of the adjusting voltage for obtaining the object amplitude, and applies the same to a drive circuit for a prescribed time, to perform feedback control, when a comparing section generates an error signal, so as to cancel increase-decrease variation of the error signal. | 09-01-2011 |
20120038961 | LIGHT SCANNER AND IMAGE FORMING APPARATUS - A light scanner includes a light reflection part having light reflectivity, a movable part having the light reflection part and being rotatable around a first rotation center axis and a second rotation center axis, a pair of movable beams extending from the movable part, a displacement part connected to the movable beams and rotating the movable part around the first rotation center axis, a first drive part that drives the displacement part, a pair of drive beams extending from the displacement part in parallel to the light reflection surface and orthogonal to an extension direction of the movable beams, a support frame that supports the drive beams, and a second drive part that rotates the movable part around the second rotation center axis, and the movable beam has a bending part that bendingly deforms due to displacement of the displacement part. | 02-16-2012 |
20120062969 | OPTICAL SCANNER, METHOD OF MANUFACTURING OPTICAL SCANNER, AND IMAGE FORMING APPARATUS - An optical scanner includes: a movable section which has a light reflecting member with a light reflecting surface and which is rotatable around the central axis of rotation; at least a pair of movable beams extending from the movable section along the light reflecting surface; a displacement section which is connected to the movable beams and has a through hole including two fixed surfaces crossing each other; two driving beams which extend from the displacement section along a surface direction of the light reflecting surface so as to be perpendicular to the movable beams; a support section connected to each of the driving beams; a driving section which drives the displacement section; and a permanent magnet which is inserted in the through hole and is fixed to the two fixed surfaces. | 03-15-2012 |
20120086996 | OPTICAL SCANNER, MIRROR CHIP, METHOD OF MANUFACTURING OPTICAL SCANNER, AND IMAGE FORMING APPARATUS - An optical scanner includes: a movable section which includes a light reflecting member with a light reflecting surface and which is rotatable around the central axis of rotation; four movable beams which extend from the movable section along the light reflecting surface and which are provided at angles of 90° along the circumferential direction of the movable section; a displacement section connected to each movable beam; two driving beams extending from the displacement section along the surface direction of the light reflecting surface so as to be perpendicular to the movable beams; a fixed section connected to each driving beam; an inner frame section formed in the displacement section; a permanent magnet fixed to the inner frame section; and a driving section which drives the displacement section. Each movable beam includes a bending section which deforms the moving beam by bending in a direction perpendicular to the light reflecting surface. | 04-12-2012 |
20120113490 | Laser Holder and Optical Pickup Provided With Same - A laser holder holds a semiconductor laser that has a metal frame part in which a semiconductor laser chip is mounted on one surface, and a resin part provided so as to surround the semiconductor laser chip. The laser holder is provided with an insertion part into which the semiconductor laser is inserted. The insertion part is provided with an aperture part that allows the resin part of the semiconductor laser inserted into the insertion part to be pushed from the exterior, and a wall surface part against which a reverse surface of the one surface of the metal frame part is pressed in a case where the resin part is pushed from the exterior. | 05-10-2012 |
20120113491 | OPTICAL PROBE WITH FEEDBACK CORRECTION - The present invention relates to an optical probe ( | 05-10-2012 |
20120140301 | MULTI-PATH, MULTI-MAGNIFICATION, NON-CONFOCAL FLUORESCENCE EMISSION ENDOSCOPY APPARATUS AND METHODS - An optical scanner, scanner apparatus, or scanner assembly, which may be particularly advantageous for use in a multiphoton microscope, includes a first drivable bending component, a second drivable bending component mounted perpendicularly to the first component, and at least one optical waveguide coupled one or both of the first and second bending components, wherein the at least one optical waveguide provides both a propagation path for a multiphoton excitation radiation delivery between a light source and a target and a multiphoton-induced emission radiation delivery between the target and a detector. A GRIN relay lens. A multiphoton microscope incorporating the scanner and the GRIN relay lens. | 06-07-2012 |
20120194889 | LASER TRANSMITTER AND METHOD - A laser transmitter projects a beam of laser light outward while raising and lowering the beam. The beam may define a conical surface of varying inclination. The transmitter includes a laser source that directs a beam generally vertically, and a beam diverting element. The beam diverting element is positioned in the path of the beam, intercepting the beam and redirecting it. The beam emerges from the transmitter as a non-vertical beam that is raised and lowered. The diverting element may include a pair of mirrors configured as a pentaprism, with one of the mirrors pivotable. Alternatively, the diverting element may include a plurality of micro mirrors. Also, the diverting element may include a conical reflector and an annular lens which is cyclically raised and lowered. The beam may be raised and lowered cyclically according to a predetermined schedule, or it may be raised and lowered non-cyclically. | 08-02-2012 |
20120212790 | DEVICE AND METHOD FOR DEFLECTING A LIGHT BEAM IN TWO DIFFERENT DIRECTIONS AND SCANNING MICROSCOPE - A device for deflecting a light beam in two different directions includes a mirror and a first rotating actuator element configured to rotate about a first axis as a function of a first actuation signal. A second rotating actuator element is disposed opposite to the first rotating actuator element along the first axis and configured to rotate about the first axis as a function of a second actuation signal. A first spring element is connected to the first rotating actuator element and, off-axially with respect to the first axis at a predetermined first distance thereto, to the mirror in a rest position of the mirror. A second spring element is connected to the second rotating actuator element and to the mirror. | 08-23-2012 |
20120224238 | SUBSTRATE FASTENING STRUCTURE, OPTICAL SCANNING DEVICE, AND IMAGE FORMING APPARATUS - A substrate fastening structure is provided with a substrate on which an optical detection sensor is mounted, and a casing to which the substrate is secured internally. The casing is provided with a reference portion having a reference groove formed in a perpendicular direction with respect to a first surface configured on an inner side of the casing, and an opposing portion having an opposing groove that opposes the reference groove. The opposing portion is provided with a pass-through hole that is located on an extension of a straight line on which the reference groove and the opposing groove oppose each other, and that passes through the opposing portion. The substrate is inserted extending across the reference groove and the opposing groove, and has an opposing end face that opposes the opposing portion, and has a cut | 09-06-2012 |
20120250124 | SCANNING MICROMIRROR - The present invention may relate to a scanning micromirror. The scanning micromirror can include a substrate having an open region; a micro plate provided in the open region; a first gimbal provided between the substrate and the mirror plate, and including a first curvature curved toward the mirror plate along an X-axis of the open region; a second gimbal including a second curvature formed along the first curvature of the first gimbal; a first elastic body configured to connect the substrate with the first curvature of the first gimbal; a second elastic body configured to connect the first gimbal with the second gimbal along a Y-axis of the open region; and a third elastic body configured to connect the second gimbal with the mirror plate along the Y-axis of the open region. | 10-04-2012 |
20130033732 | Rotating MEMS Scanner - Briefly, in accordance with one or more embodiments, a rotating scanning platform comprises a rotating body and two or more suspension flexures to support the rotating body at a first end of respective suspension flexures, wherein the suspension flexures have a length that is greater than a radius of the rotating body, and the suspension flexures are disposed at an offset from a center of rotation of the rotating body. The suspension flexures are fixed, respectively, to a substrate at a second end at a location that is closer to the center of rotation than to the first end of a respective suspension flexure to allow the rotating body to rotate about the center of rotation with generally linear rotation in response to a drive signal. | 02-07-2013 |
20130063798 | LIGHT SOURCE DEVICE, METHOD OF ASSEMBLING LIGHT SOURCE DEVICE, OPTICAL SCANNING DEVICE, AND IMAGE FORMING APPARATUS - A method of assembling a light source comprises the steps of inserting multiple lead wires of a light emitting element into an insertion hole formed in a circuit board from one side of the circuit board at once, striking tips of the multiple lead wires with corresponding multiple guides formed on a circumference of a pressing device serving as a jig from the other side of the circuit board, moving the pressing device toward the one side from the other side of the circuit board, and in a first stage guiding the multiple lead wires to corresponding terminals formed in an inner wall of the insertion hole of the circuit board, respectively. | 03-14-2013 |
20140111839 | DRIVING APPARATUS - A driving apparatus ( | 04-24-2014 |
20140111840 | OPTICAL SCANNING APPARATUS AND IMAGE FORMING APPARATUS - An optical scanning apparatus includes a polygonal mirror configured to deflect a light beam emitted from a light source such that the laser beam scans a member to be scanned, a drive motor configured to rotate the polygonal mirror, aboard on which the polygonal mirror and the drive motor are mounted, an installation portion where the board is installed, a rubber member provided between the board and the installation portion, and an adjustment unit configured to position on the board with respect to the installation portion and to adjust inclination of the board with respect to the installation portion by deforming the rubber member. | 04-24-2014 |
20140126031 | Method for Fabricating a Self-Aligned Vertical Comb Drive Structure - In a method for fabricating a self-aligned vertical comb drive structure, a multi-layer structure is first formed. The multi-layer structure includes inter-digitated first and second comb structures formed via etching using a first mask layer as a mask. The first comb structure includes a plurality of first comb fingers, each having a first finger portion formed in a first device layer and a second finger portion formed in a second device layer and separated from the first finger portion by a self-aligned pattern on a stop layer. The second comb structure includes a plurality of second comb fingers formed solely in the second device layer. The second finger portions of the first comb fingers are subsequently removed. | 05-08-2014 |
20140185116 | SCANNING MIRROR DEVICE - A scanning mirror device includes a mirror, a first supporting body that supports the mirror, a plurality of securing materials that has higher rigidity than the first supporting body and supports the first supporting body, a reinforcing material that has higher rigidity than the first supporting body and is attached to the plurality of securing materials on a surface different from a surface on which the mirror is disposed, and a first driving portion that deforms the first supporting body so as to cause the mirror to be displaced around a first axis. | 07-03-2014 |
20140240808 | BEAM SCANNING TYPE DISPLAY APPARATUS - A beam scanning type display apparatus includes a reflection angle variable mirror that scans a beam light, at least two light detectors disposed at a predetermined distance in a beam scanning direction of the mirror that detects a light amount of screen reflection light, a distortion correction calculation unit that obtains a drive correction value of the mirror by calculating an irradiation distance and a screen inclination, from a light amount of a reflection light detected by the light detectors at two different scanning timings and an inclination angle of the mirror at this time, and a mirror driving unit that controls an inclination angle of the mirror by the drive correction value. A drive correction value of the mirror driving unit is obtained at a plurality of timings of a scanning period of beam light, and beam light is scanned at the corrected inclination angle of the mirror. | 08-28-2014 |
20140240809 | Light Field Display Device and Method - The present invention provides a light field display device ( | 08-28-2014 |
20140253992 | MEMS SCANNING MIRROR FIELD OF VIEW PROVISION METHODS AND APPARATUS - Embodiments of the present disclosure provide techniques and configurations for an optoelectronic assembly including a MEMS scanning mirror. In one embodiment, the MEMS scanning mirror may include a micro-scale mirror configured to be rotatable about a chord axis of the mirror to deflect an incident light beam into an exit window of the optoelectronic assembly, and a support structure configured to host the mirror to provide a light delivery field between a mirror surface and the exit window such that a path of the deflected light beam via the provided light delivery field to the exit window is un-obstructed. Other embodiments may be described and/or claimed. | 09-11-2014 |
20140320943 | OPTICAL SCANNING DEVICE - An optical scanning device has a reflecting portion and a supporting body for supporting the reflecting portion. The reflecting portion has a reflecting surface for reflecting light beam. A pair of outside beam members is arranged between the reflecting portion and the supporting body in a longitudinal direction of the device. The device also has a first driving portion, one end of which is connected to the supporting body, while the other end of which is connected to a driving point of the reflecting portion. When the first driving portion is inflected, the reflecting portion is oscillated in a twisting vibration manner at a first axis. The driving point of the reflecting portion is located at a position separated from the first axis. | 10-30-2014 |
20140327945 | 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. | 11-06-2014 |
20140327946 | MEMS SCANNING MICROMIRROR - A MEMS-micro-mirror ( | 11-06-2014 |
20140368896 | OPTICAL REFLECTING ELEMENT AND ACTUATOR - An optical reflecting device includes a movable plate having a reflecting surface, a first support portion, a first drive part, a first frame, and a monitor part for detecting the rotation of the movable plate. The first support portion is connected to the movable plate. The first drive part is formed in the first support portion and rotates the movable plate about a first axis. The first frame contains the movable plate and the first support portion, and is connected to the first support portion. The monitor part extends from that portion of the outer periphery of the movable plate which is most distant from the first axis. | 12-18-2014 |
20150029570 | OPTICAL SCANNING ENDOSCOPE - An optical scanning endoscope with an optical fiber, and a fiber driving unit with a plurality of actuators which bend side surfaces of the optical fiber by applying a pressing force. A mounting member is a substantially cylindrical MID component which supports the fiber driving unit. A control circuit supplies driving signals to each of the actuators to control the bending amount and direction of the optical fiber. A wiring member electrically connects wiring patterns on the mounting member with the control circuit. The mounting member has a planar surface section at one proximal-end-surface side of the cylindrical outer-peripheral surface. The wiring patterns include at least first patterns having one end portion disposed on the planar surface section to form soldering lands The other end portions are electrically connected to the actuators on the proximal-end surface of the mounting member. The wiring member is connected to the soldering lands. | 01-29-2015 |
20150036200 | PIEZOELECTRIC ELEMENT AND METHOD OF PRODUCING THE SAME - A piezoelectric element includes a substrate having a first surface with a predetermined orientation; a lower electrode layered on the first surface of the substrate; a piezoelectric thin film layered on the lower electrode and having a piezoelectric body; and an upper electrode layered on the piezoelectric thin film. A voltage is to be impressed between the lower electrode and the upper electrode to deform the piezoelectric thin film. The piezoelectric thin film is epitaxially grown on the lower electrode using a physical vapor deposition or a chemical vapor deposition. | 02-05-2015 |
20150036201 | OPTICAL REFLECTION ELEMENT - An optical reflection element includes a fixed portion having a pair of sides opposite to each other, a pair of first vibration portions having one ends each connected to respective one of the sides of the fixed portion, a pair of connection portions each connected to respective one of another ends of the first vibration portions, a movable frame rotatably supported by another ends of the first vibration portions via the connection portions, a pair of second vibration portions having one ends each connected to respective one of a pair of sides of the movable frame, and a mirror rotatably connected to another ends of the second vibration portions. The second vibration portions are configured to transmit a rotational vibration about a rotation axis to the mirror. The connection portions are connected to the movable frame in a direction of the rotation axis. The connection portions are connected to a part of the movable frame at which a displacement of the movable frame due to the rotational vibration of the mirror has a minimum amount. This optical reflection element reduces unnecessary vibration, and projects clear images. | 02-05-2015 |
20150062676 | DRIVING DEVICE OF ROTATING POLYGONAL MIRROR AND IMAGE FORMING APPARATUS INCLUDING THE DRIVING DEVICE - A driving device of a rotating polygonal mirror which stops supply of a driving current or reduces output of the driving current in a state where the driving current is supplied to a driving motor, and detects a period of an FG signal based on a detected waveform output from a detection element in the state where the driving current is stopped. | 03-05-2015 |
20150077822 | OPTICAL SCANNER AND IMAGE FORMING APPARATUS - An optical scanner includes: a light reflecting section having light reflectivity; a movable plate which includes the light reflecting section and can be displaced; four link sections connected to the movable plate; and a supporting section supporting the four link sections. The four link sections are provided on an outer circumference of the movable plate at 90-degree intervals along a circumferential direction of the movable plate in a plan view. Each link section includes a turnable drive section, and a shaft section which connects the movable plate and the drive section. The shaft section is bent and deformed in a thickness direction of the movable plate by turning the drive section. | 03-19-2015 |
20150116803 | OPTICAL REFLECTING DEVICE - An optical reflecting device includes a fixed frame, a pair of first oscillation parts, a movable frame, a pair of second oscillation parts, and a mirror part. One-side ends of the first oscillation parts are connected to the inside of the fixed frame. The movable frame is connected to and held by the other-side ends of the pair of first oscillation parts to be pivotable. One-side ends of the pair of second oscillation parts are connected to the inside of the movable frame and the pair of second oscillation parts are disposed to be substantially perpendicular to the pair of first oscillation parts. The mirror part is connected to and held by the other-side ends of the pair of second oscillation parts to be pivotable. The first oscillation parts have a meandering shape in which a plurality of straight portions and a plurality of folded portions are formed, and a stepped structure portion is provided in part of the folded portion. | 04-30-2015 |
20150124304 | OPTICAL SCANNER APPARATUS AND OPTICAL SCANNER CONTROL APPARATUS - An optical scanner apparatus includes first and second torsion beams which support a mirror support portion supporting a mirror from both sides in an axial direction; first and second horizontal driving beams configured to include first and second horizontal driving sources, respectively, a connecting beam; a first piezo-electric sensor; first and second sensor interconnects connected to one of and the other of an upper electrode and a lower electrode of the first piezo-electric sensor, respectively, the first sensor interconnect and the second sensor interconnect being formed to extend toward the first horizontal driving beam and the second horizontal driving beam, respectively. | 05-07-2015 |
20150293349 | OPTICAL SCANNING DEVICE AND PROJECTOR - An optical scanning device includes a first scanning driving unit and a second scanning driving unit. The first scanning driving unit includes a scanning mirror and a frame structure supporting the scanning mirror. The first scanning driving unit is configured to cause the scanning mirror to rotate about a first rotation axis by means of deformation of the frame structure. The second scanning driving unit includes a rotation holder supporting the first scanning driving unit and a supporting shaft. The second scanning driving unit is configured to cause the rotation holder to rotate about the second rotation axis. The frame structure includes a pair of beams provided so as to sandwich the scanning mirror in a direction of the first rotation axis, and a pair of base portions provided on sides of respective beams of the pair of beams opposite to the scanning mirror. Each of the pair of base portions has an elongated shape elongated in a direction of the second rotation axis, and is deformable. | 10-15-2015 |
20150323782 | SCANNING MICROMIRROR WITH IMPROVED PERFORMANCE AND RELATED ELECTRONIC DEVICE - A micromechanical mirror includes a mobile mass carrying a mirror element and provided in a body including semiconductor material. A driving structure is coupled to the mobile mass to cause a scanning movement thereof. The driving structure is configured to generate a combination of a two or more sinusoidal resonant modes in the micromechanical mirror at respective resonant frequencies. This combination approximates a scanning pattern of the mobile mass defined by a linear function which may, in particular, be a triangular shaped function. | 11-12-2015 |
20160004071 | OPTICAL DEVICE AND IMAGE DISPLAY APPARATUS - An optical device includes: an optical unit that is configured as a plate and includes a light incidence face on which light is incident; a support unit that includes a recessed arrangement portion in which the optical unit is arranged; and a first shaft portion and a second shaft portion that support the support unit in a manner which enables the support unit to oscillate, wherein a side face of the arrangement portion is separated from the optical unit between the optical unit and the first shaft portion and between the optical unit and the second shaft portion. | 01-07-2016 |
20160025967 | AXIALLY REINFORCED FLEXIBLE SCAN ELEMENT - A flexible scan element for a laser scanner is disclosed. The flexible can element may be made from a non-linear elastomeric material that twists sufficiently for scan operation but resists unwanted motion from shock/vibration through the use of a rigid motion-limiting member encapsulated, at least partially, within the body of the flexible scan element. In this way, no external components are required for limiting excess motion. | 01-28-2016 |
20170235128 | MIRROR GROUP, IN PARTICULAR FOR A PICOPROJECTOR, COMPRISING MICROMIRRORS MADE USING THE MEMS TECHNOLOGY | 08-17-2017 |