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7612330 Optical scanning probe, optical scanning probe device and method for controlling the optical scanning probe  
An optical scanning probe is provided and includes an optical scanning element which scans a subject with light, and a signal switching section for switching a drive signal for making the optical...
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...
7599011 Method for synchronizing an image data source and a resonant mirror system to generate images  
System and method for synchronizing the low speed mirror movement of a mirror display system with incoming frame or video signals, and synchronizing buffered lines of video data to the...
7593029 Optical scanning device and image forming apparatus using the same  
An optical deflector of the present invention includes a movable mirror and torsion bars supporting the mirror and formed integrally with the mirror. The mirror reciprocatingly vibrates to reflect...
7557976 Light scanning apparatus and method to prevent damage to an oscillation mirror, reducing its amplitude, in an abnormal control condition via a detection signal outputted to a controller even though the source still emits light  
A light scanning apparatus includes a deflector having an oscillation mirror that oscillates about an axis that is orthogonal to a main scanning direction. A detector detects a scanning light beam...
7522325 Light scanning device  
A light scanning device includes: a light source; a lens which converts a light emitted from the light source to a parallel light flux; an oscillating mirror which oscillates rotationally; a mirror...
7486440 Polarized total internal reflection illumination optical system by rotary annulus light  
An illumination system uses rotatable, polarized illumination optics to detect the direction of highly efficient excitation of fluorescent dyes coupled to a sample, or the absorption transition...
7486426 Two-dimensional optical scan system using a counter-rotating disk scanner  
A counter-rotating disk scanner together with another scan mechanism provides two-dimensional optical scanner. The counter-rotating disk scanner includes counter-rotating scan disks that implement...
7483194 Module for optical information reader  
A module for an optical information reader, wherein a light emitting unit ( 22 ), a collimator lens ( 23 ), a vibration mirror ( 31 ) for scanning, a condensing mirror ( 40 ), and a light receiving...
7483192 Device and method for the optical scanning of media, objects, or areas  
A device for optically scanning media or objects includes a mirror which deflects light beams and is coupled to a drive unit. The deflection mirror can be rotated with a mirror normal being tilted...
7480087 Apparatus for and method of forming images with oscillation mirror  
An image forming method which generates a video signal corresponding to an image forming command based on a video clock signal, modulates a light beam according to the video signal, and scans the...
7471032 Shock resistant and mode mixing resistant torsional hinged device  
A shock resistant and mode mixing resistant assembly for oscillating a device such as a MEMS mirror around a pivot axis by means of two pairs of piezoelectric elements or towers is provided. The...
7468824 Imaging apparatus including optical scanning device with deflecting mirror module, and method of deflecting with the mirror module  
A module configured to deflect light in an image forming apparatus. A torsion bar supports a mirror and defines a rotational axis of the mirror. A controller is configured to apply electronic...
7466467 Method and apparatus for generating an angular sweep of a directed propagation of electromagnetic radiation  
An angular sweep of a directed propagation of electromagnetic radiation is generated by a first oscillating or vibrating reflector that cooperates with at least one fixed reflector. Electromagnetic...
7463828 Optical channel monitor  
An optical channel monitor is provided that sequentially or selectively filters an optical channel(s) 11 of light from a (WDM) optical input signal 12 and senses predetermined parameters of the...
7433109 Scanning optical system and scanning optical device  
There is provided a scanning optical system used with a deflection mirror that produces sinusoidal vibrations. The scanning optical system includes a first lens having a positive power, and a...
7420449 Mirror actuating device for projection systems  
A magnetic actuator utilizes a single magnet and two voice coils to rotate a mirror between two angular positions with respect to a rest state. A magnetic field assembly applies magnetic flux...
7385746 Optical scanning system and image forming apparatus using the same  
An optical scanning system includes a deflecting device to scanningly deflect a light beam from a light source in a main scan direction, and an imaging optical system for imaging, upon a surface to...
7365891 Method and apparatus for directing energy based range detection sensors  
A directing apparatus includes a mechanism for producing steerable energy. The apparatus includes a mechanism for steering energy from the producing mechanism while the producing mechanism is...
7359102 Driving method for galvano scanner  
A galvano scanner system has a galvano scanner and a scanner driver for driving the scanner, wherein a microcomputer for generating commands in which digital data representing a drive pattern of...
7348548 Image forming apparatus and image forming method  
A printer has a laser emitter for emitting a laser beam to irradiate a surface of a photosensitive member; a reflector, disposed at a position on a laser beam path defined by the laser emitter and...
7324250 Image forming apparatus  
Disclosed is an image forming apparatus capable of keeping an oscillation angle of an oscillating mirror at a constant value based on control of a drive frequency. In this image forming apparatus,...
7321379 Galvonometric scanning and imaging with multiple beams reflected from an oscillator  
Multiple light beams are reflected by a resonant oscillator through an optical system onto light sensitive drums of a printing system. Information is encoded onto the beams, and an image is printed...
7310174 Method and apparatus for scanning regions  
A beam scanner is operable to scan light in two or more axes, typically in a raster pattern that includes a fast scan axis and a slow scan axis. Plural beams of light are scanned, each beam of...
7268929 Optical scanner reflecting and outputting light increased in width and image forming apparatus using same  
An optical scanner is disclosed which includes: a reflective surface from which incoming light is reflected; and a scanning sub-system altering an angle of the reflective surface, relative to an...
7262895 Determining operating point of feedback controller applied to operation of oscillating scanning device  
A method for determining an operating point of an oscillation controller. The method builds a model of an oscillation device based upon its design parameters. Then the resonant frequency of each...
7184187 Optical system for torsion oscillator laser scanning unit  
An optical apparatus compensates for imaging errors associated with the sinusoidal angular scan rate of a light beam reflected from a bidirectional scanning torsion oscillator. The compensation is...
7184186 Optical switch assembly  
An apparatus for switching optical signals. An optical bench includes a plurality of through-openings for receiving a plurality of collimators and a plurality of actuators. The actuators include a...
7167290 Optical deflection device  
An optical deflection device is disclosed that is able to drive a mirror therein to move smoothly. In the optical deflection device, notches are formed in the mirror, and when the notches hit...
7133178 Image forming apparatus and image forming method  
A printer has a laser emitter for emitting a laser beam to irradiate a surface of a photosensitive member; a reflector for reflecting the laser beam to a target position on the photosensitive...
7126734 Motor drive circuit with reduced coil crosstalk in a feedback signal indicative of mirror motion in light scanning arrangements  
Crosstalk between a drive coil and a feedback coil is eliminated by a motor drive circuit operative for generating the drive coil as a square wave, and by removing the crosstalk which occurs at...
7099084 Diffractive wave modulating devices  
A zone plate modulator modulates an incident wave by changing the relative distance between a pair of complementary reflective zone plates. The modulator acts to reflect the incident wave as a...
7099060 Light deflecting method and apparatus efficiently using a floating mirror  
Method of deflecting light includes the steps of providing a substrate and forming a supporting member on the substrate. Next forming step forms electrodes at predetermined positions on the...
7085030 Optical scanner driving apparatus and optical scanner driving method  
An optical scanner driving apparatus comprises a moving plate having a reflection plane and a driving coil, a magnetic field generating section arranged in a vicinity of the moving plate, a driving...
7079297 Optical scan device, image position calibration method, and image display device  
An optical scanning device, a correction method of the position of an image, an image display method, and an image display device able to improve a light projection efficiency and lower the...
7057783 Light deflector, method of manufacturing light deflector and torsion oscillating member  
There is disclosed a light deflector in which both ends of a movable plate is supported to a support substrate by an elastic support portion, a reflection surface is formed on one surface of the...
7054046 Optical scanning frequency doubling method and apparatus adopting the same  
An optical scanning frequency doubling method and apparatus adopting the same are provided. According to the method and apparatus, light scanned by a mirror to a predetermined region is fed back to...
7050211 Torsional hinged mirror assembly with central spines and perimeter ridges to reduce flexing  
A torsional hinged mirror design with reduced flexing. In addition to a central spine to prevent or reduce flexing of the tips, the mirror layer also includes perimeter ridges to reduce or prevent...
7019877 Light beam deflector  
The present invention relates to a device for use in deflecting a concentrated light beam in two coordinates, for example, of a polar coordinate system. In this regard, the device utilizes a mirror...
7002716 Method and apparatus for blending regions scanned by a beam scanner  
A beam scanner is operable to scan light in two or more axes, typically in a raster pattern that includes a fast scan axis and a slow scan axis. Plural beams of light are scanned, each beam of...
6994256 Barcode reader  
The present invention provides a barcode reader, which irradiates a scanned laser beam onto a barcode symbol and reads the information written in the symbol, wherein a laser beam scanning unit is...
6987595 Oscillator imaging with control of media speed and modulation frequency  
An imaging system in which a modulated light beam is reflected by a reflection surface oscillated by a torsion oscillator, such imaging system being capable of operating dynamically to adjust to...
6970275 Stationary coil oscillator scanning system  
An image scanning apparatus and a torsion oscillator are capable of operating across a dynamic range of possible operating frequencies. The image scanning apparatus uses a light source to produce a...
6958837 Method for producing picture element groups by means of laser rays in space and on a plane  
The invention relates to a method for producing picture element groups by means of laser rays in space and on a plane. The laser ray, functioning as a picture ray, is divided into a main ray and...
6914366 Apparatus for suppressing vibration of optical part  
In the exposing apparatus of an image forming apparatus or the like, an apparatus for suppressing the vibration of an optical part has a detector for detecting the vibrating state of the optical...
6912077 Optical system  
An optical system, for example a projection exposure apparatus for microlithography, has at least one optical element with an optical surface. A correction radiation device is provided that...
6778304 Bistable micromirror with contactless stops  
A microstructure for steering light is provided that mitigates stiction. A substrate is provided on which a structural linkage is connected to support a structural film. The structural film...
6768569 Module for receiving a light beam and converting it to a scanning beam  
A device for providing scanning movement of a light beam in a direction selected from at least one of the X and Y directions with respect to the beam direction, including a generally hollow support...
6735006 Optical switch assembly  
An apparatus for switching a single optical signal to any one of several outputs. An input collimator transmits an optical signal that is reflected from two mirrors on an optical bench into an...
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...
Matches 1 - 50 out of 191 1 2 3 4 >