Entries |
Document | Title | Date |
20090116091 | Scanning Mirror Based Display System and Method - Scanning mirror based display system and method. A method comprises sampling a scanned light provided by a scanning mirror, converting the sampled scanned light into an electrical signal, analyzing the electrical signal to determine a position of the scanned light, and controlling the light source or the scanning mirror based on the analyzed electrical signal. The electrical signal based on the sampled scanned light may be used to ensure proper operation of the scanning mirror display system, such as determining failure of the scanning mirror, proper rendering of colors, determining whether the scanned light is following a desired scan path at a desired scan rate, and so forth. | 05-07-2009 |
20090128879 | CYLINDRICAL LENS, OPTICAL BEAM SCANNING APPARATUS USING THE SAME, IMAGE FORMING APPARATUS, AND METHOD OF MANUFACTURING THE LENS - A cylindrical lens according to the present invention is a cylindrical lens of a bi-concave type in which both of a surface on which light is made incident and a surface from which the light is emitted are formed as concave surfaces, wherein, in at least one of the concave surfaces, both ends of the concave surface projecting to outer sides are formed to coincide with a plane, a normal of the plane being an optical axis of the cylindrical lens. | 05-21-2009 |
20090213446 | SOLAR MODULE PATTERNING APPARATUS - A solar module patterning apparatus comprises a laser oscillator, a homogenizer and a scanner. The laser oscillator generates a laser beam having a predetermined wavelength. The homogenizer homogenizes an intensity distribution of the generated laser beam provided from the laser oscillator. The scanner scans the laser beam to a solar module. The laser beam is output from the homogenizer and passed through a mask with a predetermined pattern. | 08-27-2009 |
20090237764 | OPTICAL BEAM SCANNING DEVICE AND DIAPHRAGM DEVICE CAPABLE OF ADJUSTING LIGHT QUANTITY DISTRIBUTION - An optical beam scanning device of the present invention has a light source, a deflection reflecting surface for deflecting to scan light from the light source on a recording medium, and a diaphragm device which is provided between the light source and the deflection reflecting surface, and the diaphragm has an opening section formed by a nonplanar light shielding section. The light shielding section makes light shielding quantity of the light from the light source in a vertical scanning direction different in positions in a horizontal scanning direction and in a light advancing direction. | 09-24-2009 |
20090303562 | HIGH-RESOLUTION SPECTRALLY ADJUSTABLE FILTER - For spectrally filtering at least one input beam, a first reflective element is configured to tilt to multiple tilt orientations that each corresponds to a different angle of propagation of at least one input beam. One or more optical elements are configured to change at least some of the relative angles of propagation of the input beam for different tilt orientations of the first reflective element. A spectrally dispersive element is configured to receive the input beam at a location at which the central ray of the input beam is incident at different points on the spectrally dispersive element for each of the tilt orientations, and configured to disperse spectral components of the input beam at different respective angles in a spectral plane. The first reflective element is configured to tilt to select at least one and fewer than all of the dispersed spectral components to be directed to a selected output path. | 12-10-2009 |
20100245961 | OPTICAL DEVICE, OPTICAL SCANNER, AND IMAGE FORMING APPARATUS - An optical device includes: a movable plate disposed in an area over which externally incident light is spread, the movable plate having a light reflecting surface that reflects the light; and an axis member that swingably supports the movable plate around a predetermined axis, wherein each portion in the light spread area but other than the movable plate is formed of a surface having a normal vector along which the light is reflected and directed outside a predetermined area. | 09-30-2010 |
20110090550 | OPTICAL BEAM SCANNING DEVICE AND IMAGE FORMING APPARATUS PROVIDED WITH THE SAME - A technique is provided which can improve optical characteristics by suppressing the occurrence of an error in attachment of a rotary deflector that deflects a light flux from a light source and scans it in a main scanning direction. There are provided a rotary deflector that deflects the light flux from the light source and scans it in the main scanning direction, an imaging optical system that images the light flux scanned by the rotary deflector onto a specified scanning object, a support part that supports the rotary deflector rotatably, and a positioning part that comes in contact with the support part at plural contact positions and positions the support part, in which a shortest distance between the plural contact positions in an optical axis direction of the imaging optical system is longer than a shortest distance between the plural contact positions in the main scanning direction. | 04-21-2011 |
20110149360 | OPTICAL DEVICE FOR PROJECTION OF OPTICAL BEAMS - An optical device is provided for projecting a light beam. The device comprises a first planar reflector movable about a first axis is disposed in a path of a focused light beam for deflecting the incident light beam; a concave reflective surface fixed in position located in the path of the deflected light beam, has a circular shape extending along at least one of its axis and is spaced apart from the planar reflector by a distance which is approximately equal to the radius of that circular shape; and a second planar reflector moveable about a second axis located in a plane substantially vertical to a plane comprising the first axis and wherein the second planar reflector is positioned in the path of the light reflected by the concave reflective surface such that the light beam is projected onto a target plane with a substantially flat field of focus. | 06-23-2011 |
20110211243 | SAFETY DEVICE FOR SCANNED PROJECTOR AND ILLUMINATION SYSTEMS - A scanned projector and illumination system includes an energy-emitting source that is disposed in a projector and that emits energy beams out of the projector through an aperture. A scanning mirror is disposed in the projector and redirects energy beams therein. The scanning mirror moves such that the redirected energy beams form a scanning pattern with a scanning rate. A safety feature is disposed in the projector. The safety feature includes a fuse material. The energy beams move along the fuse material at the scanning rate. The safety feature modulates emission of the energy beams out of the projector through the aperture such that the energy beams are only emitted out of the projector through the aperture when the scanning rate of the energy beams is high enough to prevent the fuse material from reaching a threshold energy level at any location along the fuse material. | 09-01-2011 |
20110317235 | COMPOSITE SCANNING MIRROR SYSTEMS - In some aspects, the present disclosure is directed to, among other things, a device. The device may include a mirror with a first material and a pivoting system with a second material. The fracture toughness of the second material may be at least 20 M-Pa(m | 12-29-2011 |
20120092741 | Two-Mirror Scanning System - A scanning beam projection system includes a two-mirror scanning system. One mirror scans in one direction, and a second mirror scans in a second direction. A fast scan mirror receives a modulated light beam from a fold mirror and directs the modulated light beam to a slow can mirror. The fold mirror may be formed on an output optic or may be formed on a common substrate with the slow scan mirror. | 04-19-2012 |
20120147445 | ACTUATOR, OPTICAL SCANNER, AND IMAGE FORMING APPARATUS - An actuator includes a movable member which rotates around a rotation axis, a plurality of connecting members which extend from the movable member through a shaft and are disposed in the vicinity of the outer circumference of the movable member at equal intervals in the plan view as viewed in a thickness direction of the movable member, and a support unit which supports each of the plurality of connecting members. Each of the plurality of connecting members has a driving portion rotatably connected with the support unit, and the shaft connecting the movable member and the driving portion. A first connecting portion that connects the movable member with the shaft and that is disposed opposite to a corresponding second connecting portion that connects the driving portion with the shaft through the movable member so that the movable member is interposed between the first connecting portion and the second connecting portion. | 06-14-2012 |
20120162738 | Illumination Assembly for a Scanner - An illumination assembly for a scanner according to one example embodiment includes a light source, a first reflector and a second reflector. The first reflector has a curved structure and is positioned directly in the optical path of the light source. The first reflector has a first portion and a second portion. The first portion of the first reflector is positioned to reflect light received from the light source toward a target area to be scanned. The second portion of the first reflector is positioned to reflect light received from the light source toward the second reflector. The second reflector is positioned to reflect light received from the first reflector toward the target area. | 06-28-2012 |
20120162739 | OPTICAL SCANNING DEVICE - An optical scanning device includes a mirror, a mirror supporting part to support the mirror on an upper surface, and a pair of torsion beams to support the mirror supporting part from both sides in an axis direction and to drive the mirror supporting part so as to swing the mirror supporting part around the axis by being twisted. The torsion beams include slits approximately parallel to the axis direction. | 06-28-2012 |
20120206784 | DEVICE FOR REDUCING SPECKLE EFFECT IN A DISPLAY SYSTEM - The present invention relates to a method and apparatus for speckle noise reduction in laser scanning projection display. In particular, a MEMS device with a vibrating membrane through which light rays are refracted with temporally varying angles is provided for reducing the effect of speckling. | 08-16-2012 |
20120281265 | HANDHELD IMAGING PROBE - A handheld imaging probe for performing optical coherence tomography is disclosed. The handheld imaging probe includes a lens tube and a housing. The lens tube contains an objective lens and a polycarbonate sheet. The polycarbonate sheet provides a bio-safe contact with a tissue sample to be examined. The housing, which is connected to the lens tube, contains a micromirror for directing a laser beam to irradiate the tissue sample via the objective lens and the polycarbonate sheet. | 11-08-2012 |
20120293850 | OPTICAL SCANNING APPARATUS AND OPTICAL REFLECTION DEVICE USED THEREFOR - An optical scanning apparatus is configured to include a light source that emits a beam of light, and a scanning device that scans the beam of light in two axial directions that are mutually substantially perpendicular at a first frequency f | 11-22-2012 |
20130222876 | LASER LIGHT SOURCE MODULE - A laser light source module includes a housing and a heat sink that is thermally connected to the housing. The housing includes a laser element that emits laser light, a laser holder that is made of metal to hold the laser element, a laser light receiving element that receives laser beam from the laser element, a mirror element that reflects the laser light to scan a screen, an optical element that is disposed on the optical axis of the laser light. The laser holder is thermally connected to the housing with a thermally conductive member. A protrusion is formed on the thermally conductive member. The protrusion and the springiness of the thermally conductive member are used to press the laser holder against the housing in the same direction as the direction of laser light emission. | 08-29-2013 |
20130301097 | Scanned Image Projection System Employing Intermediate Image Plane - In imaging system ( | 11-14-2013 |
20130321891 | IMAGE DISPLAY APPARATUS AND HEAD-MOUNTED DISPLAY - An image display apparatus including a plurality of light source sections, a light combining section that combines light fluxes, | 12-05-2013 |
20140071510 | ACTUATOR, LIGHT SCANNER, IMAGE DISPLAY DEVICE, AND HEAD MOUNT DISPLAY - An actuator includes: a movable plate; a first axial member adapted to swingably support the movable plate around a first axis; a reflecting section fixed to the movable plate, and having a reflecting surface adapted to reflect light; and a coil disposed on an opposite surface of the reflecting section to the reflecting surface. | 03-13-2014 |
20140146376 | Light microscope and microscopy method - A light microscope having a specimen plane, in which a specimen to be examined is positioned, having a light source to emit illuminating light, having optical imaging means to convey the illuminating light into the specimen plane, having a first scanning means, with which an optical path of the illuminating light and the specimen can be moved relative to each other to produce an illumination scanning movement of the illuminating light relative to the specimen, having a detector means to detect specimen light coming from the specimen and having electronic means to produce an image of the specimen based on the specimen light detected by the detector means at different specimen regions. A second scanning means is present, with which it can be adjusted which specimen region can be imaged on a determined detector element. | 05-29-2014 |
20140355090 | LIGHT DEFLECTOR, LIGHT DEFLECTOR MANUFACTURING METHOD AND OPTICAL SCANNING DEVICE - A light deflector includes a fixing portion and a movable portion. The movable portion includes a mirror portion for deflecting light by swinging about a predetermined swing axis, a torsion bar fixedly supported on the fixing portion and having an axis serving as the swing axis, and a supporting body configured to support the mirror portion and fixed to the torsion bar. The supporting body includes a hole portion through which the axis passes. A mass body for adjusting a resonant frequency of the movable portion is arranged in the hole portion. | 12-04-2014 |
20140355091 | LIGHT DEFLECTOR, OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS - A light deflector includes a fixing portion, a movable portion and a reinforcing member. The movable portion includes a mirror portion for deflecting light by swinging about a predetermined swing axis, a torsion bar fixedly supported on the fixing portion and having an axis serving as the swing axis, and a supporting body configured to support the mirror portion and fixed to the torsion bar. The supporting body includes a contact surface to be held in contact with the mirror portion and a non-contact surface opposite to the contact surface. The reinforcing member is provided only on the non-contact surface out of the contact surface and the non-contact surface of the supporting body and reinforces the supporting body and adjusts a center of gravity of the movable portion so that the center of gravity of the movable portion is located on the axis. | 12-04-2014 |
20150146272 | DETECTION UNIT AND CONFOCAL LASER MICROSCOPE - The number of detection channels of detecting sections is increased and the detecting sections are replaced easily and at low cost while suppressing loss in the quantity of returning light. Provided is a detection unit ( | 05-28-2015 |
20160004070 | MICRO-OPTICAL ELECTROMECHANICAL DEVICE AND METHOD FOR MANUFACTURING IT - A micro-optical electromechanical device includes a body, a mirror element, and a spring structure configured to flexibly support the mirror element to the body. The spring structure includes at least one piezoelectric transducer adapted to induce in the spring structure a displacement that moves the mirror element. | 01-07-2016 |
20160054562 | OPTICAL SCANNER HAVING A VARIABLE FOCUS MIRROR - An optical scanner includes a substrate having a rigid body and a beam, and a layered body having multiple layers, including a lower conductive layer, a interlayer insulation film and an upper conductive layer, the layered body layered on and protruding outward from the rigid body and the beam. The layered body is patterned to form a resonance scanner portion and a vari-focal mirror, the resonance scanner portion (i) made as a part of the layered body and (ii) having an actuator part, and the vari-focal mirror made as a part of the layered body. The layered body including the resonance scanner portion and the vari-focal mirror is patterned to form a mirror driving wire. In such structure, the size of the optical scanner is reduced, and a frequency change of the resonance scanner portion due to the voltage application to the mirror driving wire is suppressed. | 02-25-2016 |
20160195732 | ILLUMINATION MODULE AND DISPLAY DEVICE | 07-07-2016 |