| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 359216100 | Multifaceted rotating element | 17 |
| 20090080050 | Optical Pattern Generator Using Multiple Reflective Surfaces - An optical pattern generator uses reflection from multiple (e.g., two) internal mirror surfaces mounted on a rotating support structure. | 03-26-2009 |
| 20090213447 | LIGHT BEAM SCANNING DEVICE - A light beam scanning device may include a light source device, and an optical deflection mechanism for scanning a light beam which is emitted from the light source device over a prescribed angular range by an optical deflection element. The light source device may be provided with a light emitting source and a condenser lens for guiding the light beam emitted from the light emitting source as a converged light beam which is focused on the optical deflection element or its vicinity in at least one of a first direction and a second direction which are perpendicular to an optical axis direction. The light beam scanning device may further include a divergence angle modification lens for varying a divergence angle of an emitted light beam from the optical deflection element in at least a direction perpendicular to a scanning direction by the optical deflection element. | 08-27-2009 |
| 20090231658 | OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS - The present invention provides an optical scanning device that can suppress irregularity of the rotation of a polygon mirror and an image forming apparatus that is disposed with this optical scanning device. The optical scanning device includes: a rotating polygon mirror that rotates and deflects light that has been emitted from a light source; and a plate member that covers one surface of surfaces intersecting an axial direction of a rotating shaft of the rotating polygon mirror, wherein a projecting portion that projects in the axial direction of the rotating shaft away from the rotating polygon mirror is disposed in the plate member. | 09-17-2009 |
| 20090251755 | IMAGE FORMING APPARATUS - An image forming apparatus including: a polygon motor that rotates a reflection member; a laser emitting section that emits a laser beam toward a side face of the rotating reflection member; a photoconductor that is scanned by a laser beam reflected from the side face of the reflection member; a beam detecting section that detects a scanning start position of the reflected laser beam, and a scanning final position; and a control section that controls the polygon motor and the laser emitting section, based on detection signals from the beam detecting section, wherein when the detection signal at the scanning start position does not meet a predetermined time-based standard and/or a predetermined output-level standard, the control section controls the polygon motor so that the reflection member rotates in a reverse direction. | 10-08-2009 |
| 20100020377 | Beam Scanning Based on Two-Dimensional Polygon Scanner for Display and Other Applications - Scanning beam systems based on a two-dimensional polygon scanner with different reflective polygon facets tilted at different tilt facet angles to use rotations of the polygon scanner to scan optical beams both horizontally and vertically on a surface which can be a display screen or a printing surface. | 01-28-2010 |
| 20100060965 | OPTICAL SCANNING APPARATUS AND IMAGE FORMING APPARATUS - In one embodiment of an optical scanning apparatus, a light blocking member is provided that is disposed facing a reflective face of a polygon mirror near the reflective face, and blocks stray light without blocking light in an effective scanning range of a laser beam. The light blocking member includes a light blocking plate having an opposing face that faces the reflective face of the polygon mirror, a support plate that supports the light blocking plate, and a fixing plate that fixes the lower edge portion of the support plate to a support member. The opposing face of the light blocking plate is inclined relative to the reflective face of the polygon mirror, and a space below the light blocking plate is open. | 03-11-2010 |
| 20100220374 | POLYGON MIRROR SCANNER MOTOR - A polygon mirror scanner motor includes rotor frame ( | 09-02-2010 |
| 20100271681 | NOVEL METHOD OF DESIGNING AND PRODUCING REFLECTORS FOR RECEIVING/TRANSMITTING ENERGY AND REFLECTORS PRODUCED BY THIS METHOD - The invention is a new type of reflector, which receives energy from a source and reflects said energy onto the surface of an object. The reflector is comprised of a multiplicity of small reflecting segments attached to a substrate. The orientation of each of the reflecting segments with respect to the substrate, the source, and the object is determined on an individual basis such that the energy from the source that is reflected from the segment is directed towards a predetermined area on the surface of the object. The invention allows reflectors to be built using substrates having an arbitrarily shape. Also disclosed are methods of manually and automatically producing both single and industrial quantities of the reflector of the invention. | 10-28-2010 |
| 20100296144 | BEAM SCANNING BASED ON TWO-DIMENSIONAL POLYGON SCANNER FOR DISPLAY AND OTHER APPLICATIONS - Scanning beam systems based on a two-dimensional polygon scanner with different reflective polygon facets tilted at different tilt facet angles to use rotations of the polygon scanner to scan one or more optical beams both horizontally and vertically on a surface which can be a display screen or a printing surface. | 11-25-2010 |
| 20110013250 | LIGHT DEFLECTION APPARATUS - A light deflection apparatus, including a stator section including a radial bearing having a first dynamic pressure generating groove, a thrust bearing having a second dynamic pressure generating groove, and a stator coil; and, a rotor section including a polygon minor, a magnet facing the stator coil, and a rotating body having a dynamic pressure surface facing the radial bearing and a dynamic pressure surface facing the thrust bearing, the rotor supporting the polygon minor and the magnet; wherein one end portion of the dynamic pressure bearing section included of the thrust bearing, the radial bearing and of the rotating body in the thrust direction is closed excluding a gap between the dynamic pressure bearing section of the radial bearing and the dynamic pressure bearing section of the rotating body. | 01-20-2011 |
| 20110134501 | OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME - One embodiment of an optical scanning device according to the present invention is directed to an optical scanning device comprising an overfilled optical system in which an incoming beam of a light beam from a light source formed wider than a width in a rotation direction of a reflective surface of a rotating multifaceted mirror is caused to be incident on the reflective surface, and a scanning surface of a scanning object is scanned by an outgoing beam reflected by the reflective surface, wherein the incoming beam is caused to be incident on the reflective surface of the rotating multifaceted mirror in a state having an angle with respect to a virtual vertical surface that is vertical to the scanning surface and vertical to a scanning direction of the outgoing beam, and a light amount distribution for positions on the scanning surface in the scanning direction is corrected based on a slope of a straight line that expresses a ratio of change of light amounts for positions on the scanning surface in the scanning direction when scanning the scanning surface using the outgoing beam. | 06-09-2011 |
| 20110235144 | Light Scanning Device - A light scanning device includes: a light source configured to emit a light beam; a deflector configured to deflect and scan the light beam from the light source in a main scanning direction; a driving source that drives the deflector; and a housing including a support wall to which the driving source is fixed. The support wall has a first surface, a second surface to which the driving source is fixed and that is deviated with respect to the first surface in a direction perpendicular to the first surface, and a third surface that connects the first surface and the second surface and is inclined to form obtuse angles relative to the first surface and the second surface. | 09-29-2011 |
| 20120250131 | OPTICAL SCANNING DEVICE - An optical scanning device including: a light source part that is provided in a resin-molded casing and emits a laser beam; a deflector that is arranged in the casing and deflects and scans the laser beam, the deflector including, a rotary polygon mirror that reflects the laser beam, a driving source that rotates the rotary polygon mirror, and a substrate member; and the casing including, a fixed wall that extends in a direction perpendicular to a mirror surface of the rotary polygon mirror, a first fixing part that is provided to the fixed wall and fixes the light source part, a second fixing part that is provided to the fixed wall and fixes the substrate member, and a reinforcing part that is provided to the fixed wall and extends toward the emission direction so as to continuously connect the first fixing part and the second fixing part. | 10-04-2012 |
| 20140036331 | OPTICAL SCANNING DEVICE AND LASER MACHINING DEVICE - An optical scanning device includes: a light projector configured to radiate light while causing the light to make angular movement at a constant speed; and a light reflector configured to reflect the light radiated from the light projector to guide the light to an intended irradiated point on a predetermined scanning line. The light reflector includes a plurality of reflecting portions and reflects, at least twice, the light radiated from the light projector to guide the light to the intended irradiated point. The reflecting portions each include a plurality of reflecting surfaces. A length of an optical path from the light projector to the irradiated point is substantially constant for all of irradiated points on the scanning line, and a scanning speed, on the scanning line, of the light radiated from the light projector is substantially constant. | 02-06-2014 |
| 20160033762 | OPTICAL SCANNING SYSTEM - An optical scanning system includes a variable-focus element, an imaging lens and a deflector, wherein the reciprocal of the focal length f of the variable-focus element is changed from 1/f | 02-04-2016 |
| 359219100 | Having five or fewer facets | 1 |
| 20140362427 | PROJECTION HEAD FOR A LASER PROJECTOR - A projection head is provided that has a fiber output coupling. A position of a point of intersection is able to be set between the light beams and thereby it is possible to position the point of intersection on the polygon facets. As a result, lower losses of light occur and edge discolourations during projection are reduced. The distance between the fibres can be chosen to be small (approximately 25-125 μm). It now also becomes possible to incorporate more than two fibres, as a result of which a plurality of lines can be scanned simultaneously. | 12-11-2014 |
| 359217300 | Having vibration absorbing means | 1 |
| 20090091813 | OPTICAL SCANNER DEVICE AND IMAGE FORMING APPARATUS - A first wall is installed on a bottom portion of a housing along an outer peripheral thereof orthogonally to the bottom portion. A second wall is installed opposite to the first wall at a predetermined interval. Between the first wall and the second wall, a first rib parallel with the bottom portion for connecting the first wall and second wall is installed. Further, under the first rib, second ribs orthogonal to the bottom portion for connecting the first wall, second wall, and first rib are installed at fixed intervals. Furthermore, above the first rib, third ribs orthogonal to the bottom portion having the same height as that of the first wall and second wall for connecting the first wall and second wall are arranged so as to be shifted in position from the second ribs. | 04-09-2009 |
