Matches 151 - 200 out of 265 < 1 2 3 4 5 6 >
Match Document Document Title
4844568 Scanning type projection exposure system  
A scanning type projection exposure system includes a source emitting light. The light is applied to a portion of a mask having a preset pattern. At least one optical erect projection sub-system...
4830443 Three-dimensional volumetric sensor  
A three-dimensional optical measurement system, where it is desired to move the light beam or plane to more than one position to increase the amount of data acquired. A rotating disk is provided...
4811320 Optical type pickup apparatus with lens holder supported by frame wires each having an end inserted into a frame hole  
A optical type pickup apparatus wherein the center of gravity of the lens holder coincides with the action point of the resultant force of the forces to be produced by the control signals input...
4769803 Optical information recording and/or reproducing apparatus  
In order to detect the position of a lens holder held resiliently by a pair of plate springs and fitted with an objective lens, a sensor is fitted in a through hole made in at least one of a pair...
4763967 Tunable resonant device  
A dynamically resonant system including a linearly movable element having a neutral position and a range of excursion centered on the neutral position, a spring-like element for urging the movable...
4747668 Optical scanning unit  
An optical scanning unit with an objective for focussing a beam into a scanning spot on the surface of an information carrier and an electromagnetic drive for continuous correction of the position...
4738499 Stationary hologram scanner  
A stationary hologram scanner according to the present invention divides one light beam into a plurality of parts (switched-over in a time division manner) prior to the incidence of the light beam...
4732148 Method for performing ophthalmic laser surgery  
The invention contemplates controlled ablation of the cornea, using ultraviolet laser radiation, wherein irradiated flux density and exposure time are so controlled as to achieve desired depth of...
4729372 Apparatus for performing ophthalmic laser surgery  
The invention contemplates controlled ablation of the cornea, using ultraviolet laser radiation, wherein irradiated flux density and exposure time are so controlled as to achieve desired depth of...
4712887 Optical system for fast access optical data storage device  
An optical head structure, movable to scan over a disk surface, includes a fixed optical arrangement. Fine focussing and side-to-side adjustments for scanning are effected by movements of another...
4662708 Optical scanning system for laser treatment of electrical steel and the like  
Apparatus for scanning a laser beam across a moving strip of material. The strip is temporarily shaped by formed rollers to a concave shape to maintain a constant focus of the laser beam on the...
4640573 Lens-on-disc type optical scanning apparatus  
A lens-on-disc type optical scanner comprises a plurality of lenses of predetermined surface profile arranged on a disc along the circumferential direction of the disc. The disc is rotated so that...
4639589 Optical scanning device, particularly for seeker heads in target seeking missiles  
An optical scanning device comprises a bearing portion (12), which is rotatably mounted in a base portion (10) about an axis of rotation (16). A holder (18) is rotatably mounted in the bearing...
4636043 Laser beam scanning device and marking system  
A laser beam scanning device is disclosed and which includes an optical system that is mounted on a carriage which is movable back and forth along a linear path in front of a target area and which...
4621892 Light scanning device using lenses  
A light scanning device for reading or writing information by irradiating laser light onto a scanning plane. The light scanning device comprising a light source for irradiating the scanning plane...
4617578 Multi-beam zoom and focusing lens scan pitch-adjusting recorder  
A method for recording a plurality of reproduction picture images of an original picture in which multiple laser beams modulated by an acoustic-optical modulator according to picture signals...
4613202 Support structure for electromechanical transducer  
A support structure for an electromechanical transducer assembly including an optical unit and drive means for driving the optical unit in at least two directions consisting of a first direction...
4578870 Selectible beam/plane projecting laser and alignment system  
A selectible beam/plane projecting laser is particularly useful for vehicle frame and body alignment. A lens contained in a holder mechanism mounted on a laser projector housing flips into and out...
4573758 Beam deflection mechanism  
An arrangement for deflecting a beam of monochromatic light in a rapid and accurate manner. To deflect the beam, segments of a number of Fresnel lenses are produced onto a single flat glass...
4568142 Objective lens drive apparatus  
In an objective lens drive apparatus for driving a body to be driven including an objective lenses in the focusing direction along the optical axis and in the tracking direction perpendicular to...
4540247 Hologram scanner  
A hologram scanner includes a rotatable hologram disk on which a plurality of hologram lenses are arranged circumferentially, and a light beam guide mechanism for successively shifting irradiation...
4523799 Device optimizing the coupling of two optical systems for the observation and analysis of objects  
The present invention concerns a device optimizing the coupling of two optical systems for the observation and analysis of objects, one of the systems producing the illumination of a point on the...
4514055 Information transferring systems operating on a recording medium  
Methods and apparatus for transferring information relative to a recording medium bend the medium about a first axis and move an information transfer stimulus in an arc over such bent medium about...
4504110 Converging beam linear optical scanner  
A converging beam linear optical scanning system comprising: an objective lens system for receiving essentially collimated light rays from object space and for converging the essentially...
4457580 Display for electronic games and the like including a rotating focusing device  
An electro-mechanical display including a rotating focusing device and at least one light source. The position of the focusing device is monitored and the light source turned on under computer...
4436260 Optical scanner for use in confined areas  
An optical scanner for use in a confined or restricted location having a movable prism assembly which utilizes cylindrical or spherical mating joints between a pair of flat input/output surfaces....
4393408 Optoelectronic device for rotary scanning of videofrequency images  
The optoelectronic rotary scanning device comprises optical receiving means, optical elements driven together in rotation by an afocal system consisting of at least two cylindrical optical elements...
4383733 Device for forming layer images of a three-dimensional object by means of a lens matrix  
For the formation of layer images of a three-dimensional object, the object is irradiated from a large number of radiation source positions which are situated in one plane. Thus, a coded image of...
4372640 Line maker with laser source  
The cylindrical lens eccentrically mounted to a rotating shaft having a predetermined RPM for reciprocal movement in front of the laser beam generating and projecting a visually continuous line...
4327959 Two-dimensional scanning device with deflection scanning plane and optic axis maintained parallel  
A two-dimensional scanning device is provided with a two-dimensional deflector having a major scanning deflecting surface for two-dimensionally deflecting an incident light, the major deflection...
4315281 Three-dimensional display device  
A luminous spot in a model area displays the position and movements of an object in space by means of apparatus which receives a location signal, such as a radar signal, indicative of the...
4293184 Scanning projection device  
A scanning projection device in which a first plane is scanned by a light deflector provided between the first plane and a second plane and partial surfaces of the first plane scanned by the...
4279507 Spatial scanning means for a photometer  
A scanning device adapted to be associated with a radiant energy measuring meter such as a luminance photometer to provide precision linear or angular scanning across an area of an object or a...
4275949 Method of and means for scanning images  
A method and means of scanning the image of a detector along a scan line in the field of view in which a moving auxiliary optical system is used to scan the image field of a primary spherical...
4274101 Laser recorder with piezoelectric bimorph focal length vibrator  
In a laser beam recording apparatus comprising a laser source, an optical modulator for modulating the intensity of the laser beam from the laser source in response to an electrical signal, an...
4266252 Lens system for document scanning  
A lens system for scanning a document positioned on a flat support. The lens system operates in cooperation with apparatus which scans a beam of illuminating light across the document and a...
4248495 Projecting optical system with deflected optical axis maintained parallel to next optical axis  
A projecting optical system having a first lens system, on one focal plane of which a first plane is disposed, a light beam deflector disposed on the opposite side of the first plane relative to...
4239326 Holographic scanner for reconstructing a scanning light spot insensitive to a mechanical wobble  
A holographic spinner reconstructs a light spot to rapidly scan a narrow line on a suitable "write" surface to generate an image. The geometry of the holographic spinner with respect to the...
4218112 Photometer microscope for microphotometer scanning of fine specimen structures  
A positive and negative lens of equal power can provide the means to scan small objects being observed through a microscope if one of the lenses can be selectively decentered. The arrangement is...
4170397 Vibratile optical boresight  
A vibratile optical boresight which can be used for conical or nutating scanning of a target by a beam of light. A lens is mounted for vibration, in at least one direction in a plane normal to the...
4165464 Light scanning system  
A light scanning system is described, comprising a circular disk having a plurality of zone-type lenses, where each of the zone-type lenses converges an incoming light beam toward a corresponding...
4135791 Reduced glare scanner  
Method and apparatus for reduced glare observation of the eye fundus through optical lenses is accomplished by synchronized scanning illumination and observation of successive portions of the...
4123167 Optical detecting system  
An optical detector of remote vibration, comprising a system for obtaining a Doppler signal by mixing reference light with laser light reflected from a vibrating object. The Doppler signal is...
4123166 Optical detector of remote movement including cyclic scanning of target  
A detector of remote movement in which light from a laser is directed at a target and, on reflection from the target, is mixed with reference light from the laser to produce a Doppler signal...
4074312 Automatic dithering optical focusing system using an oscillating mirror in the path of the radiation beam  
An automatic optical focusing system suitable for an apparatus for reading an information track on a record carrier with the aid of a read spot which is focused in an imaginary focusing plane and...
4061415 Nutating radiation deflecting method and apparatus  
There are disclosed radiation deflection method and means for controlling the direction of travel of radiation which is subject to refraction, such as light and sound radiation. The deflection...
4026638 Reduced glare scanner  
Method and apparatus for reduced glare observation of the eye fundus through optical lenses is accomplished by synchronized scanning illumination and observation of successive portions of the...
4025154 Optical scanning system  
An optical scanning system comprising a lens system for focusing an image of respective image information elements in turn, a rotatable reflecting mirror for scanning said image and a correcting...
4001840 Non-photographic, digital laser image recording  
A non-photographic, digital laser image recording and reading method and apparatus for recording and reading visual, two-dimensional replicas or representations of objects, pictures, illustrations,...
3977760 Device for optical-mechanical scanning  
A device for optical-mechanical scanning within the visual or infrared wavelength range, including an optical device to supply radiation from an image field to a rotating refracting optical means...
Matches 151 - 200 out of 265 < 1 2 3 4 5 6 >