Matches 1 - 50 out of 144 1 2 3 >
Match Document Document Title
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...
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...
7304779 Device for converting light  
A device for converting light from, for example, a laser, VCSEL (vertical cavity surface emitting laser) or light emitting diode/diodes to a plane of propagation, comprising a collimated or focused...
7280722 Temperature compensated optical multiplexer  
An optical multiplexer that adjusts the wavelength response and compensates for temperature effects by using rotatable mirror. The wavelength response of the device is adjusted by aligning the...
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...
6937121 Magnetic actuator  
A pivotally movable member 21 comprising a substrate 22 and a frame-shaped ferromagnetic layer 23 formed on the substrate is located in a magnetic field generated by a permanent magnet 27 ...
6876485 Micromirrors with asymmetric stopping mechanisms  
A micromirror device comprises a plurality of stopping mechanisms that sequentially stop the mirror plate of the micromirror device when the micromirror device is rotating towards a state, such as...
6843576 Continuously variable analog micro-mirror device  
A micro-mirror device includes a substrate, a reflective element spaced from the surface of the substrate, a pair of electrodes disposed adjacent to the surface of the substrate, spaced apart from...
6765706 Optical deflector  
There is disclosed an optical deflector comprising an oscillating member including a movable plate allowed to oscillate, the movable plate including a coil extending along its periphery, and a...
6762866 High speed mechanical laser shutter  
A fast mechanical shutter for a laser has a reflective flag which either blocks or unblocks the laser output. In the blocking position, the flag reflects the light onto a laser output absorber. The...
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...
6650407 Wide field scanning laser obstacle awareness system  
A wide field scanning laser obstacle awareness system (LOAS) comprises: a plurality of first optical elements configured to direct a portion of a pulsed laser beam generated by a light source to a...
6587246 Scanning apparatus  
Scanning apparatus which may be used in a real-time passive millimeter wavelength imaging system or in other radiometry systems. The apparatus scans input radiation from a scene and output...
6305797 Rotating shutter for eye/optics protection against in-band frequency agile lasers  
A countermeasure device for the in-band frequency agile laser threat posed to the eyes of operator(s) comprises a rotating shutter operating at a predetermined speed and with alternating clear and...
6229639 Multiplexer for laser lithography  
A laser lithography system in which two or more lasers provide laser illumination for two or more lithography exposure tools through a laser beam multiplexer. The mulitplexer contain several mirror...
6188502 Laser pointing apparatus and on-fulcrum drive apparatus  
A laser pointing apparatus for pointing a laser beam on a predetermined position, the apparatus comprising: a mirror extending on a X-Y plane for reflecting the laser beam; a mirror holder having a...
6144483 Optical scanning with phase shifted beam  
A beam scanning system for scanning an imaging surface includes a phase shifter for issuing phase signals, a radiation emitter for emitting a beam of radiation and a deflection element, such as an...
6107622 Chevron correction and autofocus optics for laser scanner  
In a light raster scanning system imaging a medium located on a movable stage and using bidirectional scanning, i.e. scanning during stage movement in two opposing directions, the problem of...
6059416 Actuated mirror array and method for the fabricating thereof  
Fabrication and mounting of an array of M×N mirrors on an array of M×N electrodisplacive actuators is carried out by one of the two inventive methods, comprising the steps of: patterning a...
5943007 Rotating mirror drum radiometer imaging system  
A rotating mirror drum radiometer imaging apparatus. The apparatus generally comprises a two-sided mirror, a drum for securely supporting the two-sided mirror therein at an angle of preferably...
5933225 Vehicular optical radar apparatus  
Vehicular optical radar apparatus adapted to enhance actual operating efficiency in causing emitted light to continuously scan in a horizontal direction with a diffusing-angle setting device (44)...
5923461 Scanner with deflection element for scanning imaging surfaces  
A multi-beam scanning system for scanning a curved imaging surface includes at least one radiation emitter which emits first and second beams of radiation. A spin deflector, rotatable about a spin...
5877887 Light beam deflection means  
A light beam deflection unit for deflecting a light beam has a carrier seated in rotatable fashion around an optical axis, a reflector arranged at the rotatable carrier, and a reflection face...
5796511 Multi-beam scanner with acousto-optic element for scanning imaging surfaces  
A multi-beam scanning system for scanning a curved imaging surface includes at least one radiation emitter configured to emit a first beam of radiation and a second beam of radiation. A spin...
5739939 Output scanner  
An output scanner for recording an image on a radiation sensitive medium comprises an at least part cylindrical support which carries the medium in use, the medium facing radially inwardly. A...
5734515 Apparatus for positioning an optical line of sight within a hemispheric region  
An optical apparatus for selectively directing a line of sight between a residence location and locations within a substantially hemispherical field of regard. The apparatus includes a stator which...
5729374 Speckle averaging system for laser raster-scan image projection  
The viewers' perception of laser speckle in a laser-scanned image projection system is modified or eliminated by the addition of an optical deflection system that effectively presents a new speckle...
5661586 Optical positioning system for at least one picture element  
In an optical positioning system for at least two picture elements, a wavelength-dispersive, first light-deflecting element is used which deflects light beams in a first deflection direction...
5636049 Mechanism for scanning the inner periphery of a drum included in an image forming apparatus  
In an image forming apparatus, a mechanism for scanning the inner periphery of a hollow cylindrical drum has stationary optics including two semiconductor lasers fixed in place. The two lasers have...
5610751 Optical scanning device having a spherical exit window  
An optical scanning device, for reflecting a light beam produced by a laser light source, having an entrance window; a rotatable scan optic having a reflective surface and a spherical exit window;...
5606454 Volume display system and method for inside-out viewing  
A system wherein the observer can be positioned at the interior of a three dimensional display and observe the display looking outwardly therefrom. In accordance with a first embodiment of the...
5600477 Beam scanner  
A beam scanner has a beam deflector mounted within a hollow shield having a beam entrance aperture and a beam exit aperture. The beam exit aperture is sealed by a window through which the deflected...
5598263 Light-backscatter measurement device suitable for use on board a craft  
The device can be used on an aircraft or spacecraft. It comprises a laser for emitting short light pulses, a channel for receiving the backscattered light flux and an optical conical scanner means...
5571430 Method and system for processing workpiece with laser seam, with oscillation of beam spot on the workpeiece and beam oscillating apparatus  
Method and apparatus for bidirectionally oscillating a spot of a laser beam incident upon a workpiece to be processed with the laser beam, wherein the laser beam generated by a laser source is...
5565686 Method and apparatus for detecting the presence and location of objects in a field via scanned optical beams  
An optical system and method for detecting the presence and location of multiple objects in a field. The optical system has at least one light source to generate a beam, which beam is scanned by at...
5526168 Light beam deflection means  
The system deflects an optical beam and is composed of at least one prism. The prism is provided with at least one reflection face and is rotationally seated with respect to a rotational axis. In...
5508837 Optical scanning system  
An optical scanning system wherein a moving cylinder supporting a segment of recording media on its inner surface is axially moved over a pair of fixed cylinders. A slit is provided between the...
5502709 Apparatus for recording images on interior surface of cylinder  
Parallel laser beams #1, #2 and #3 produced by splitting one laser beam into three, are introduced to an optical scanning device along the central axis of a recording cylinder, the optical scanning...
5473438 Spectroscopic method and apparatus for measuring optical radiation  
The intensity 2 of radiation coming from an object 1 to be measured and illuminated by collimated radiation is measured at several wavelengths by focusing the radiation, via a lens 4 and a planar...
5426529 Light beam deflection means  
A deflection device is provided which serves the purpose of deflecting optical radiation and is designed of at least one prism. The prism is provided with at least one reflection surface and is...
5416319 Optical scanner with dual rotating wedge mirrors  
An optical scanning system (20, 20A-F), suitable for scanning a beam (26, 26A) emanating from a source (68) of light or for directing a beam towards a detector (62) of light, employs two...
5402258 Optical scanning device for scanning laser beam focused on image-forming surface  
A laser beam emitted from the beam emitting unit is deflected for scanning by a reflector rotated by a scanner motor. The deflection scanning beam passes through a meniscus lens device provided...
5283695 Athermalized optical system and method  
An athermalized optical system and method are disclosed. A thermally compensating portion of the optical system is employed to compensate for mechanical and optical thermal effects in the entire...
5274491 Dynamic laser diode aperture for optical scanners  
A dynamic laser diode aperture for collimating light from a laser diode within an optical scanner which increases the power of the beam to a predetermined maximum. The optical scanner includes a...
5223957 Optical scanning device  
An optical scanning device which includes a laser light source, an aspheric lens for converging a laser beam emitted from the laser light source, and a reflection type holographic disk for...
5223956 Optical beam scanners for imaging applications  
Laser beam scanners having a polarization sensitive beam deflecting surface (specifically a monofacet nondisc plane diffraction grating (NPDG) monofacet deflector and a dual reflection monofacet...
5216550 Optical system for scanning device  
A temperature-compensated optical system for a scanning device. The optical system includes a first optical element having a positive radius of curvature in a plane and a second optical element...
5184245 Optical scanning system  
An optical scanning system is constructed in a compact construction by attaching a light deflecting member to one end of the output shaft of a motor internally having a space for containing parts,...
5151815 Scanning device and application thereof to analysis devices  
The present invention relates to scanning devices, for example those used in image scanning, observation and watching systems or else those used for example in aerial reconnaissance. The invention...
5149969 Infrared surveillance device  
An infrared thermographic optical scanner is comprised of a first optomechanical device fitted with an entrance objective, at least a raster scan element, and a plane of infrared detectors on which...
Matches 1 - 50 out of 144 1 2 3 >