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6980343 |
Optical scanning apparatus and image forming apparatus using the same
In an optical scanning apparatus having a light source, an incidence optical system for causing a beam emitted from the light source to be incident on a deflector, an imaging optical system for...
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6975441 |
Scanning optical system
A scanning optical system has a scanning optical apparatus, which is provided with a laser diode, a collimating lens that collimates a laser beam emitted by the laser diode, a support member that...
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6975789 |
Wavelength router
A wavelength router that selectively directs spectral bands between an input port and a set of output ports. The router includes a free-space optical train disposed between the input ports and said...
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6975353 |
Immersive camera system
An immersive scanning camera provides for a high speed imager to capture a scene of interest on a pixel by pixel basis. Distance data is collected for each pixel. This distance data is...
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6975787 |
Non-linear method for micro-mirror control
Described is a method for controlling the angular position of a mirror. The method includes sensing the angular position of the mirror, generating a first linear control signal in response to the...
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6967757 |
Microelectromechanical mirrors and electrically-programmable diffraction gratings based on two-stage actuation
A microelectromechanical (MEM) device for redirecting incident light is disclosed. The MEM device utilizes a pair of electrostatic actuators formed one above the other from different stacked and...
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6965466 |
Light scanner, multibeam scanner, and image forming apparatus using the same
A multibeam scanner including a light source for emitting a plurality of light beams, a deflector for deflecting the plurality of light beams emitted from the light source, and a scanning optical...
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6965104 |
Laser optical apparatus
A laser scanner with excellent productivity is provided in which most parts can be commonly used so as to recycle individually costly and expensive components once used in one product from the...
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6958471 |
Method and apparatus for forming image
A movable light beam is controlled and set within a tolerable range of a beam position A by using a galvano-mirror, and then a circuit offset relating to the beam position A is measured. With the...
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6947189 |
Apparatus and method for optical raster-scanning in a micromechanical system
A method of operating a micromechanical scanning apparatus includes the steps of identifying a radius of curvature value for a micromechanical mirror and modifying a laser beam to compensate for...
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6937371 |
Optical scanner and image formation apparatus
An optical system includes three optical systems. The first has a coupling lens. The second includes a lens having a positive power in a vertical scanning direction and forms the light flux into a...
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6937372 |
Light beam deflecting apparatus, image forming apparatus utilizing the same and drive method therefor
0 A light beam deflecting apparatus which measures the passing time of a light beam in reciprocating scans on a specified position on the scanning line, and then calculates time lag data...
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6924913 |
Multiple-resolution scanning device
A multiple-resolution scanning device introduces an image information obtained by scanning a document into a light folding device and the image information is reflected in the light folding device....
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6917385 |
Image input device for obtaining 2-D and 3-D images with a linear sensor
An image input device comprises a mirror body which is designed in a polygonal prism form and has side peripheral surfaces each formed of a mirror face, image pickup light from a subject being...
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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...
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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...
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6911647 |
Scanline alignment sensors
An optical imaging system comprising: an optical assembly for producing a laser beam scanline at an imaging region; first and second photodetectors located at the imaging region at the first and...
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6906832 |
Image forming apparatus with function of tilt adjustment to laser-beam reflecting mirror
An image forming apparatus has functions of tilt adjustments to a mirror for reflecting a laser beam and outputting an image after registration of a plurality of images. The apparatus includes a...
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6903855 |
Multi-beam scanning method, apparatus and multi-beam light source device achieving improved scanning line pitch using large light emitting points interval
A multi-beam scanning method for scanning a scanning surface with a plurality of beams which are formed into a plurality of beam spots separated from each other in a sub scanning direction includes...
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6894271 |
Method for operating a positioning apparatus, and scanning microscope
A method for operating a positioning apparatus that moves a positioning element comprises the steps of: generating a first and at least one further reference signal, the first reference signal...
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6885485 |
Multibeam scanning device
A multibeam scanning device includes a deflecting system that deflects a plurality of beams, which are emitted by a light source, in a main scanning direction. On a first imaging optical system,...
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6873448 |
Optical path switching apparatus
Each of light beam switching elements disposed between input and output fiber collimators includes a support member, a first reflection member mounted on the peripheral portion of the support...
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6870653 |
Decoupled alignment axis for fold mirror adjustment
A method of laser beam alignment in a laser scanning system comprising: providing an elongated planar mirror having left and right ends for directing a laser beam scan line to a scan line imaging...
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6853532 |
Apparatus and method for driving actuator
The present invention relates to an actuator drive apparatus capable of eliminating the influence of the mutual induction effect of a drive coil and a detection coil with a simple structure. That...
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6850347 |
Scanning module
A scanning module of the present invention includes a light source for illuminating a document. Light reflected by the document is incident to a first and a second mirror provided in a pair. The...
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6847472 |
Optical scanning device image forming apparatus and optical scanning method
A coupling lens couples a light flux from a light source to form a parallel light flux, a convergent light flux, or a divergent light flux. An optical deflector includes a deflective reflection...
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6843568 |
Projection apparatus
The present invention is based on the finding that the previous column and row representation in the scanning image projection has to be given up, in order to enable that the ratio between row and...
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6842556 |
Two input, two output optical switch using two movable mirrors
A two input, two output optical switch includes two movable mirrors. Each movable mirror is used for two optical signal reflections, one from an input fiber collimator to the same or a different...
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6836349 |
Optical performance monitoring device
Optical performance monitoring device for monitoring and analyzing an optical signal has a periodically movable reflective mirror to receive an input optical beam and to cyclically “scan”...
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6827270 |
Bar code reader having a rotatory optical deflector and a rotation position detector
A bar code reader provided with a laser diode ( 2 ) and a rotatory mirror ( 8 ) for deflecting a laser beam emitted by the laser diode for scanning, wherein a strip ( 20 A) attached to the rotatory...
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6813050 |
Rotary mirror array for fast optical tomography
A high speed, high duty cycle, linear, optical scanning device suitable for optical coherence tomography, optical coherence microscopy and confocal microscopy is presented. For the microscopy...
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6809847 |
Scanner with synchronously switched optics
A method of and system a system for generating scan lines having different beam characteristics. In one embodiment, the beam is focused at different distances depending upon the scan line. A system...
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6809866 |
Optical imaging apparatus
An optical imaging apparatus includes an optical probe and an apparatus main body which controls and drives the optical probe via a connecting cable. The optical probe includes a low-coherence...
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6806984 |
Optical scanning apparatus capable of reducing variations in shading and improving light usage
An optical scanning apparatus reduces shading and variations in light intensity and significantly increases light usage during an optical scanning process using a simple construction in which a...
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6804035 |
Laser machining apparatus
A laser beam machine according to the invention comprises a scanning lens for gathering laser light deflected by a deflection mirror on a workpiece for applying the laser light to a plurality of...
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6804038 |
Bipolar operation of light-modulating array
One embodiment disclosed comprises a method for bipolar operation of a light-modulating array. The method includes driving light-modulating elements of the array in a first polarity, switching...
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6801351 |
Optical scanning device, line-image forming optical system therein, imaging adjustment method in the device and image forming apparatus
A light source emitting a light flux; a coupling optical system couples the light flux from the light source to a subsequent optical system by transforming it into a parallel light flux, an...
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6795221 |
Scanned display with switched feeds and distortion correction
A display or image capture apparatus includes a scanning assembly that scans about two or more axes, typically in a raster pattern. A plurality of light sources emit light from spaced apart...
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6791741 |
Optical apparatus
An optical system having a deformable mirror is such that, in order to minimize variation of an image position on an imaging plane, or of a ray position, in at least two states where shapes of the...
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6791727 |
Method of scanning information-bearing elements
Method of scanning information-bearing elements by providing a scanning beam focused to a spot at a focal location, moving said scanning beam relative to information-bearing elements, detecting...
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6785030 |
Optical element and optical scanning device using the same
There are provided an optical element which can reduce an assembly cost by simplifying focus adjustment of the optical element, decreasing the number of parts required for the adjustment, and...
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6782160 |
Optical-signal coupler and related method
An optical coupler includes a housing, and includes first and second optical terminals and a prism disposed in the housing. One terminal is moveable with respect to the other, and the prism...
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6781730 |
Variable wavelength attenuator for spectral grooming and dynamic channel equalization using micromirror routing
A method and apparatus are provided for spectral grooming of light having a multiple spectral bands. The light is received at an input port and encounters an optical train disposed between the...
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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...
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6774445 |
Actuator
The invention aims at suppressing an amount of deformation of a central portion of a movable part in a micro-miniature semiconductor actuator. A boundary portion is provided between a central...
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6768581 |
Coated lens exhibiting substantially balanced reflectance
A coated optical lens includes a lens element and a coating on the surface of the lens element. The coating exhibits a substantially balanced reflectance from the center to a radius proximate the...
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6765705 |
Optical unit and image display device using thereof
A single plate type optical unit and display device to utilize light with high efficiency in a simple method is configured so a dichroic mirror separates light into a plurality of colors, and the...
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6757089 |
Optical scanning device having a deflection mirror to scan a scanned surface at a constant velocity via a light beam to obtain a large effective write width
An optical scanning device is provided. The optical scanning device comprises a light source, a deflection mirror reflectively deflecting a light beam projected from the light source by performing...
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6735004 |
Rotatable counterbalanced actuator
A counterbalanced actuator for steering a beam of light is disclosed. The actuator includes a rotatable actuator member coupled to a substrate, a movable portion of an actuator drive mechanism...
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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...
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