Matches 1 - 50 out of 132 1 2 3 >


Match Document Document Title
9025230 Optical line of sight toggle module  
An optical LOS toggle uses two refractive optical elements located in the afocal space of an optical sensor. Optical surfaces of the two elements are shaped appropriately to work in combination...
9013775 Rotating spectral display device  
A solar powered rainbow-making device produces a visual display that is created by the interplay of light and a light refractive element that form constantly changing patterns from a rotating...
8861060 Spectral decomposition device and manufacturing the same  
For achieving balance between manufacturing effort and spectrometer accuracy, a spectral decomposition device is not completely integrated into a substrate stack, but, for example, after...
8848271 Apparatus and method for high-speed phase shifting for interferometric measurement systems  
Described are a method and apparatus for high-speed phase shifting of an optical beam. A transparent plate having regions of different optical thickness is illuminated by an optical beam along a...
8837028 Light scattering element, optical scanning device, and image displaying device  
A light scattering element 1 is equipped with a transparent, thin film-like optical element 2 which scatters incident laser light, and a thin film-like piezoelectric element 4, which is sandwiched...
8804224 Lens with low birefringence, method of fabricating the lens, and light scanning unit including the lens  
There are provided a lens, a method of fabricating the lens, and a light scanning unit. The lens includes a lens portion having an effective optical surface, and a gate-side flange portion between...
8717654 Optical probe with feedback correction  
The present invention relates to an optical probe (1) suitable for miniature applications. An example application is a fiber-based confocal miniaturized microscope. The optical probe comprises a...
8699111 Apparatus and method for high-speed phase shifting for interferometric measurement systems  
Described are a method and apparatus for high-speed phase shifting of an optical beam. A transparent plate having regions of different optical thickness is illuminated by an optical beam along a...
8687278 Opto-mechanical switch  
An opto-mechanical switch produces different optical paths from two optical path sections out of a plurality of optical path sections that are oriented in different spatial directions. The switch...
8685008 Devices and methods for radiation-based dermatological treatments  
A device for treating an area of skin by scanning radiation to form a pattern of treatment spots on the skin includes an automated scanning system configured to receive an input beam generated by...
8679102 Devices and methods for radiation-based dermatological treatments  
A self-contained, hand-held device for providing a dermatological treatment includes a radiation source configured to generate one or more radiation beams, and an optical system configured to...
8446655 Actuation system for mobile elements with dynamically compensated and opposite relative motions  
An actuation system for at least two mobile elements with dynamically compensated and opposite relative motions, without disturbance of the elements fixed in the same rigid structure as it, and...
8400700 Risley integrated steering module  
A beam steering device is disclosed which includes an outer assembly rotatable about an axis by a motor assembly, and an inner assembly rotatable about the axis by another motor assembly and...
8358457 Miniature rotating transmissive optical drum scanner  
A miniature rotating transmissive optical scanner system employs a drum of small size having an interior defined by a circumferential wall rotatable on a drum axis, an optical element positioned...
8276819 Optical code reader  
An optical code reader of the imager type includes: at least one non-collimated light source having an illumination optics associated therewith including at least one lens; and a photodetector...
8183721 Oscillation drive device  
An oscillation drive device includes an oscillating unit that includes attaching portions on either sides thereof, the attaching portions being arranged on an oscillation axis; a base that...
8094354 Scanning objective lens, scanning probe and scanning endoscope  
A scanning objective lens for scanning on an observation target with light emitted from an exit end face of an optical fiber moving on a curved plane formed to be convex on an objective lens side,...
8045250 Optical scanning using rotating parallel plate  
A beam of incident light may be positioned on a target by directing the beam towards the target and transmitting the incident beam of light through one or more refractive plates having first and...
8023166 Optical scanning device and image forming apparatus  
An optical scanning device includes, in an effective scanning area in the target surface, a mechanism that causes a scanning speed at each scanning position with respect to a scanning speed at an...
7961369 Large-angle agile laser beam steering apparatus and method  
A laser beam steering apparatus includes a beam steering cell with an adjustable shape, with the cell having opposing Fabry-Perot filters, and a steering mechanism coupled to the cell to adjust...
7948606 Moving beam with respect to diffractive optics in order to reduce interference patterns  
A system and method are used to form incoherent beams from at least a partially coherent beam, such that interference or speckle patterns are substantially eliminated. A rotating optical element...
7940442 Optical scanning device and component thereof  
To provide an optical scanning device capable of scanning with a simple configuration. It includes a laser unit 10 for emitting a light beam, a laser control unit 42 for adjusting the light beam...
7933056 Methods and systems of rapid focusing and zooming for volumetric 3D displays and cameras  
This invention relates in general to methods and systems of rapid focusing and zooming for the applications in the projection of volumetric 3D images and in the imaging of 3D objects. Rapid...
7898712 Risley integrated steering module  
A Risley integrated steering module is disclosed. The beam steering device consists of an outer assembly rotatable about an axis, and an inner assembly rotatable about the axis and positioned...
7835054 Optical architecture having a rotating polygon for use in imaging systems  
An optical architecture comprises a refractive cylinder that is movable relative to the incident light. By moving the refractive cylinder, the output light from the refractive cylinder is capable...
7826117 Beam irradiation apparatus  
An attachment lens is arranged in a stage subsequent to a scanning lens. After a laser beam is converged by the scanning lens, the laser beam is converted into a parallel beam by the attachment...
7810932 Display device and method thereof  
Disclosed is a display device adapting a resolution improvement device capable of effectively improving a resolution in a projecting display device and a method thereof. A display device according...
7813019 Optical scanning actuator  
An optical scanning actuator includes a leaf spring member that has a base end fixed and a tip end, a light source that is fitted to the leaf spring member, an electromagnetic driving unit that...
7808688 Apparatus and method of capturing images from alternative media types  
A method and apparatus to permit digital capture of images from both transmissive and reflective media. A laser or other source of excitation radiation is coupled to a mounting surface to be in...
7773277 Beam irradiation apparatus  
A light refracting element formed in parallel plate shape is attached to a support shaft of a mirror holder, a semiconductor laser and a PSD are disposed at positions between which the light...
7773281 Beam irradiation apparatus  
A beam irradiation apparatus includes: an optical element which changes a travel direction of a laser beam by being rotated in a predetermined direction; an actuator which rotates the optical...
7768686 Light-beam-scanning system utilizing counter-rotating prism wheels  
A light-beam-scanning system includes two counter-rotating prism wheels. Each prism wheel has a set of prisms at its periphery, selected so that prisms of equal half-angle deflections are...
7742212 Precision laser machining apparatus  
A focused laser beam having an optical axis passes sequentially through a simple, positive lens, a pair of plane, parallel windows, and a second, simple, negative lens. Each of the plane, parallel...
7729030 Optical retro-reflective apparatus with modulation capability  
An optical MEMS retro-reflective apparatus with modulation capability having a retro-reflecting structure including a pair of reflective surfaces; and a MEMS device for moving at least one of the...
7719738 Method and apparatus for reducing laser speckle  
An apparatus and method for reducing speckle of a laser beam is disclosed. The apparatus includes a light guide, a highly reflective mirror at the input face of the light guide and a...
7692837 Deflection device and imaging apparatus  
A deflection device includes a tabular object for transmitting or reflecting an electromagnetic wave, a drive unit for driving the tabular object so as to rotate or perform a translation motion,...
7589879 Method and apparatus for attaching part, light scanning apparatus and image forming apparatus  
A method for attaching a part, including preparing an optical part-holding member for holding an optical part and a housing member having a bottom wall and mountable the optical part-holding...
7586662 Three-dimensional light ray input apparatus  
A three-dimensional input apparatus includes a lens L1 for converting angular information about light rays from a object, a focusing element L3 for focusing the light rays from the object to the...
7570407 Scanning mechanism, method of machining workpiece, and machine tool  
A scanning mechanism that scans a scanning object with a light beam has light-collecting means for collecting the light beam that is emitted by a light source; driving means for driving the...
7425074 Display device and display method  
A concept of improving a resolution by using human's visual characteristics is provided. A display device includes an image forming unit forming an image by using an emitted light and an inputted...
7290884 Display device having resolution improving apparatus for project-type display device  
A concept of improving a resolution by using human's visual characteristics is provided. Bu the present invention, an image can be displayed at a more improved resolution than an actual physical...
6970283 Micromirrors array with improved light throughput  
A micromirror array device comprising at least two of a plurality of zones of separately controllable tiltable reflecting elements, each of the tiltable reflecting elements of a zone being capable...
6661393 Scanned display with variation compensation  
A display apparatus includes a scanning assembly that scans about two or more axes, typically in a raster pattern. A light source emits light toward the scanning assembly such that the scanning...
6653621 Frequency tunable resonant scanner and method of making  
A MEMs scanning device has a variable resonant frequency. In one embodiment, the MEMs device includes a torsion arm that supports an oscillatory body. In one embodiment, an array of removable...
6575963 Laser scanning apparatus and method  
The present invention provides a method for scanning material with a laser beam including directing a laser beam (20) through a scanning means, wherein said scanning means includes a first lens...
6522441 Micro-optical system for an auto-focus scanner having an improved depth of field  
A micro-optical system with autofocus capability utilizing micro electro-mechanical systems (MEMS) to vary the focus of the beam achieving increased depth of field and improved poor quality...
6456419 Frequency modulated liquid crystal beamsteering device  
An electrical exciting circuit produces a plurality of oscillating electrical excitations, each at an independently controllable frequency. A set of drive electrodes are distributed in an array,...
6307662 Blazed diffraction scanner  
A scanner includes a laser for projecting a laser beam at a facet having a blazed diffractive grating thereon. The facet is rotated relative to the laser to traverse the laser beam across the...
6292286 Plate for rotatably supporting a light path refraction plate in multi-directions and an image processing device employing the same  
A plate for supporting a light path refraction plate arranged in front of a color coupled device in a manner that the light path refraction plate is rotated in multi-directions, and an image...
6239895 Scanning apparatus and method employing a lens spinning on an axis normal to the scan plane  
One or more lenses are revolved around an axis normal to a flat scan plane to provide a scanning mechanism for exposure onto (or reading off of) a flat plane of a substrate. The data for the image...

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