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7609426 |
Image scanning apparatus
An image scanning apparatus for embodying an image using visible lights apparatus includes a scanning unit for irradiating line scan light; a power source for generating voltage for driving the...
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7605966 |
Optical deflector
An optical deflector includes a mirror having a reflective plane; a torsion bar extending outwardly from an end of said mirror; a support surrounding said mirror; a first piezoelectric element, one...
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7605965 |
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...
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7602540 |
Optical deflector, optical scanner, and image forming apparatus
An optical deflector includes a rotary body including a polygon mirror; a rotation shaft fixed to the rotary body; a bearing unit rotatably supporting the rotation shaft; and a board to which the...
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7599105 |
Optical scanning device and image forming apparatus wherein the position of the rotational axis of the oscillating mirror is fixed in the plane orthogonal to the torsion beam such that the rotational axis of the oscillating mirror meets the intersection point of a light beam from a light source unit and a light axis of the focusing optical system
A disclosed optical scanning device includes an oscillating mirror supported by a torsion beam for deflecting light beams from a light source unit to scan an object surface backward and forward. A...
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7586660 |
DC brushless motor, light deflector optical scanning device, having an increased efficiency to reduce power consumption and heat generation using exactly six poles and stator with nine teeth and corresponding coils
A light deflector is disclosed that includes a bearing, a motor, a rotary body supported by the bearing and rotated by the motor, and a polygon mirror fixed to the rotary body. The motor includes...
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7515321 |
Ophthalmic apparatus
A multifunction ophthalmic apparatus, capable of efficiently measuring and examining eye characteristics respectively, has an measurement part including a unit blowing fluid to a cornea via a...
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7489430 |
Polygonal mirror apparatus
A polygonal mirror apparatus with an improved installation structure of a polygonal mirror, which is made using a plastic material, with respect to a rotor frame. The polygonal mirror apparatus...
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7471433 |
Optical scanning apparatus
The optical scanning apparatus includes a polygonal rotatable mirror which deflects a light beam emitted from a light source, a drive motor which rotates said polygonal rotatable mirror, and an...
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7428087 |
Mirror structure for laser printer
The present invention relates to a weight-balancing structure for rotary polygon mirror of color laser printer, 1 which includes a stator set, a rotor set having a loading disc fixed on a spindle,...
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7372605 |
Polygon mirror apparatus
A polygon mirror apparatus preventing a polygon mirror from separating from a rotor, having a rotor housing integrally formed with a polygon mirror is provided. The polygon mirror apparatus...
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7365893 |
Iterative Fourier reconstruction for laser surgery and other optical applications
Methods, systems and software for determining an optical surface model for an optical tissue system using Fourier transformation algorithms. A method of reconstructing optical tissues of an eye...
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7319515 |
Rotary laser apparatus
A rotary laser apparatus includes a light-projection section configured to irradiate at least two fan-shaped beams extending in a fan-shaped form in a direction orthogonal to a rotary axis. The...
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7203426 |
Optical subassembly of optical transceiver
A transceiver module comprised of a multiplexing/demultiplexing optical subassembly is provided. The optical subassembly includes either a transmitter module or a receiver module or both. The...
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7177058 |
Beam deflection device
A deflection means which is rotatably and/or pivotably mounted in a bearing which comprises a Ferrofluid. The deflection means is part of an adjustable beam deflection device for deflecting a light...
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7133175 |
Light beam deflecting device
A light beam deflecting device having therein a rotor portion fixed on an outer circumference of a bearing, a polygon mirror stuck and fixed on a supporting section of the rotor portion and an...
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7106481 |
Polygon mirror scanner having an easily replaceable bearing
A polygon mirror scanner is disclosed, comprising a rotor having a rotating shaft, a polygon mirror having a regular prism and having a mirror surface on each side thereof, and a magnet; a bearing...
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7009788 |
Method of making a rotational optical arrangement, and the optical arrangement made by the method
A method of making a rotational optical arrangement and the arrangement made by the method, wherein the method includes providing a rotatable unit. The unit has a surface extending transverse to a...
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7002717 |
Apparatus for beam deflection
The invention concerns an apparatus for beam deflection, in particular for scanning microscopy, a light beam being deflectable by a mirror arrangement that is alternatingly rotatable by a rotary...
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6995888 |
Optical scanning device
An optical scanning device has a polygon mirror unit which is housed in a dust proof chamber and mounted on a mount configured so as to prevent generation of turbulence of a current of air that is...
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6914238 |
Method and apparatus for point-by-point scanning of a specimen
A method and an apparatus for point-by-point scanning of a specimen ( 15 ) are disclosed. The method is characterized by the steps of generation ( 45 ) of a nominal signal ( 10 ) for each scan...
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6822775 |
Method and apparatus for polygon mirror scanning capable of performing a stable high speed polygon mirror rotation
A high speed rotating apparatus including a shaft, a rotary body, and a motor. The rotary body driven by the motor has a hollow into which the shaft is inserted and forms a dynamic pressure air...
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6822774 |
Optoelectronic device
An optoelectronic device for detecting labels with defined contrast patterns includes a transmitter for emitting light rays, a receiver for receiving light rays, as well as a deflection unit with a...
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6817526 |
Optoelectronic device
An optoelectronic device for detecting markings provided with contrasting patterns includes a transmitter for emitting light rays and a receiver for receiving light rays, a deflection unit for...
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6735003 |
Method and apparatus for reducing artifacts in an imaging system
A method and apparatus for reducing artifacts in an imaging system by directing a stream of air onto the beam deflection assembly of the imaging system. An air displacement system, such as a fan...
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6665102 |
Galvanometer-type scanner
A DC motor of a galvanometer-type scanner has four poles, and compared to a conventional DC motor with a bipolar construction, the armature inductance L can be reduced to half or less for a case...
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6661550 |
Method of fixing polygon mirror and polygon scanner motor
A polygon scanner motor has a polygon mirror having an outer periphery, a mirror surface for scanning light arranged around the outer periphery, and a setting hole having an inner periphery. A...
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6633422 |
Optical mirror and optical scanner and laser machining apparatus using the same
A reliable galvano-mirror employed for laser machining is disclosed. The mirror is far reduced its weight for getting a higher rotation. On the rear surface of the mirror, a lightweight...
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6511186 |
Focus and aim device and method for image projection
An image projection system includes an image generator, a screen and a focus and aim component. The focus and aim component receives modulated light from the image generator and focuses and...
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6421157 |
Optical deflection apparatus, production method and adhering method thereof
An optical deflection apparatus includes: a base member; a coil fixed to the base member; and a rotor unit rotatable to the base member, having a bearing member, a rotating body provided on the...
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6400485 |
Air-dynamic bearing apparatus and polygon scanner motor
To provide an air-dynamic bearing apparatus having a radial dynamic bearing and thrust dynamic bearings by a small number of parts by using a material which is easy to fabricate and a polygon...
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6392771 |
Bearing device and deflecting-scanning apparatus using the same
A bearing device is structured to include a stator portion which includes one of a shaft and a sleeve, a rotor portion which includes the other of the shaft and the sleeve which are structured to...
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6375358 |
Hydrodynamic bearing apparatus and deflection scanning apparatus having same
A shaft integral with a rotary polygon mirror is fitted in a sleeve so as to be rotatable, and the bearing clearance is filled with a lubricant. The lubricant comprises a base oil comprising a...
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6365997 |
Magnetic bearing and its use
In a magnetic bearing in which a first part is mounted magnetically relative to a second part and the second part has a Type II superconducting material containing an anisotropic crystal or a...
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6310711 |
Optical defection device, stop control method thereof, and image forming apparatus therewith
An optical deflection device includes: a fixed supporting member; a coil supporting member fixed on the fixed supporting member; a coil fixed on the coil supporting member; a rotary body having a...
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6249366 |
Outboard support for cantilevered air bearing stationary shaft
Motor polygon assemblies having a housing, a cantilevered stationary shaft within the housing, a rotating sleeve, a multifaceted polygon mounted on the rotating sleeve, and a cover over the...
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6243187 |
Polygonal mirror device
An annular groove is formed on the upper surface, or a surface C, of a rotor member. A surface D and a surface E of a rotor member, which are located closer to the center than the annular groove...
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6229637 |
Rotary apparatus and deflection-scanning apparatus using the rotary apparatus
A rotary apparatus includes a stator portion, a rotor portion rotatably supported by the stator portion and including a permanent magnet, a ring-shaped stator core arranged opposingly to the...
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6201624 |
Rotary body for a polygonal mirror type scanner and method of machining the same
A rotary body for use in a polygonal mirror type scanner includes an element for causing the rotary body to rotate. The element is mounted to a mounting portion by press fitting while a stress...
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6198561 |
Light beam deflection apparatus
There is described a light beam deflection apparatus in which the distortion of the polygon mirror is reduced, and the mounting accuracy of the polygon mirror is improved. The light beam deflection...
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6188503 |
Optical deflector and optical scanner
Discloses an optical deflector that enables a rotary polygon mirror to rotate at high speed with high reliability and a low noise level, and can prevent the rotary polygon mirror from disengaging...
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6172786 |
Optical deflection device and image forming apparatus therewith
An optical deflection device includes: a rotor having reflection surfaces on a cirumferential surface thereof; a bearing for rotatably supporting the rotor; a magnet fixed on the rotor; a...
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6154302 |
Light deflection device and array thereof
A light deflection device includes a deflection member having a sphere body enclosing a deflection face portion for deflecting a light beam, or a segmental sphere body having the deflection face...
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6151151 |
Scanner using a polygonal mirror
A scanner using a polygonal mirror includes a rotor with a magnet mounted thereon, a rotary shaft on which the rotor is mounted, and a stator with a coil facing the magnet at a preselected...
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6134041 |
Polygonal mirror assembly, laser scanning unit for printer adopting the same, and printer
A polygonal mirror assembly is provided with a vibration absorption. The polygonal mirror assembly includes a motor and a polygonal mirror rotatably installed around the rotation shaft of the...
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6064130 |
Motor having dynamic pressure bearing, and rotator device having the motor as driving source
A dynamic pressure bearing having a reduced manufacturing time and cost is produced using a single dynamic pressure generating groove. A motor having a dynamic pressure bearing according to one...
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6031651 |
Scanning optical apparatus
A scanning optical apparatus has a stationary shaft and a rotary sleeve rotatably fitting to each other. The apparatus is arranged to deflection-scan a light beam by rotating a rotary polygon...
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6031650 |
Light deflecting apparatus and deflection scanning apparatus using the same
In a light deflecting apparatus, a sleeve formed of ceramic material is relatively rotatably fitted onto the periphery of an axis of ceramic material, a rotary polygonal mirror is mounted to a...
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5982527 |
Inertial stabilization of rotational optical scanners
Method and apparatus are disclosed for stabilizing an optical scanner having a rotational axis and a substrate with facets which are generally pyramidal, the outer diameter of the facets being...
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5969844 |
Rotor and polygon scanner that incorporates the rotor
A rotor includes a hollow rotating shaft that is supported in a non-contact state by a radial self acting air bearing. The rotor also includes a contacting portion for positioning a rotating member...
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