Class 359/744 - Afocal (e.g., Galilean telescopes, etc.)

Subclass of Class 359 - Optical: systems and elements
Definition: Subject matter wherein the components of the lens are so
No. of patents: 124
Last issue date: 02/28/2012

«First «Previous1 2 3 4 Next»Last»

Number	Title	Issue Date
8125718	Telescopes for simultaneous clear viewing of objects and areas both near and distant A telescope that provides for simultaneous clear viewing of objects or areas at various distances may be either Galilean or astronomical. The telescope may be mounted on or into any mechanism or device used for targeting or aiming. Such devices may include iron sigh...	02/28/2012
7911710	Telemicroscopic apparatus for the enhancement of simultaneous bi-level telescope viewing of objects both far and near Miniature telescopes of both Galilean and astronomical design are fashioned to allow bi-level viewing, simultaneously, of both magnified scope images and non magnified normal images of both far and near objects or areas. Improvements in bi-leveling telescopes involv...	03/22/2011
7869139	Modular afocal variator optical system providing focus with constant magnification The present invention provides optical systems containing an afocal variator able to impart focus means to the optical system, as well as essentially constant magnification throughout the focal translation. The present application teaches a specific formula or set o...	01/11/2011
7843650	Monolithic afocal telescope An afocal monolithic optical element formed of a shallow cylinder of optical material (glass, polymer, etc.) with fast aspheric surfaces, nominally confocal paraboloids, configured on the front and back surfaces. The front surface is substantially planar, and this l...	11/30/2010
7817355	Afocal lens, optical head, optical disk apparatus and optical information equipment The present invention provides an afocal lens for an optical head that can ensure WD while satisfying NA, the optical head, an optical disk apparatus, a computer, an optical disk player, and an optical disk recorder. Using a blue-violet laser beam source with wavele...	10/19/2010
7623304	Lens system and projector using the same A high-performance lens system includes lens elements of small diameters for projecting enlarged images from light valves (mainly Digital Micromirror Devices (DMDs)) for forming images by changing reflecting directions of light. The lens system includes, sequentiall...	11/24/2009
7619833	Lens system and projector utilizing the same A high-performance lens system includes lens elements of small diameters for projecting enlarged images from light valves (mainly Digital Micromirror Devices (DMDs)) for forming images by changing reflecting directions of light. The lens system includes, sequentiall...	11/17/2009
7511896	Telescopes for simultaneous clear viewing of objects and areas both near and distant A telescope that provides for simultaneous clear viewing of objects or areas at various distances may be either Galilean or astronomical. The telescope may be mounted on or into any mechanism or device used for targeting or aiming. Such devices may include iron sigh...	03/31/2009
7369334	Optical device with alignment compensation An optical device is provided which includes a plurality of optical modules and an alignment compensation module. Each optical module includes an optical component fixedly coupled to a relative reference mount. The relative reference mount is configured to attach to...	05/06/2008
7339750	Focusing a laser beam A device for focusing a laser beam includes a first telescopic configuration and a second telescopic configuration. The first telescopic configuration includes a collimating optical element for collimating the laser beam and a downstream focusing optical element for...	03/04/2008
7315414	Microscope with adjustable stage Systems and techniques relating to a microscope with an adjustable stage are described. A microscope includes a base, a support arm attached to and extending upwardly from the base, a head attached to the support arm, the head including a lens, and an eyepiece attac...	01/01/2008
7275822	Progressive addition lenses with adjusted image magnification The invention provides a method for increasing the magnification of a lens without changing the dioptric power. The method of the invention uses a measurement or an estimate of an individual's retinal function in designing the lens to provide the magnification neede...	10/02/2007
7177093	Afocal zoom system The invention is directed to an afocal zoom system, particularly for use in microscopes, comprising at least four optical assemblies, two of which assemblies are movable relative to one another and to the rest of the assemblies for the purpose of changing the magnif...	02/13/2007
7136226	Front teleconverter lens system A front teleconverter lens system having superb optical performance with less production of aberration in spite of its compactness. The front teleconverter lens system includes, in order from an object, a first lens group having positive refractive power, and a seco...	11/14/2006
7126610	System and method for image luminance transformation An image conversion system for altering an image to adjust the overall brightness of the image when displayed is provided. The image conversion system includes a luminance transformer and a color adjuster. To adjust the overall brightness of the image, the luminance...	10/24/2006
7116486	Cylindrical optical devices and method of manufacture A lens assembly and method for manufacture. The lens assembly includes at least one lens element, with multiple sawn planar faces formed parallel to an optical axis and spaced equidistantly from the optical axis so the lens element has a polygonal cross section. Eac...	10/03/2006
7072124	Light-weight high resolution viewer A magnification loupe carried by spectacles has a Galilean lens system comprising a single-element eyepiece lens and a two-element objective lens. The loupes may be mounted to eyeglass frames by a flip-up mounting member, or they may be mounted through the eyeglass ...	07/04/2006
7044355	Bonding apparatus and bonding external appearance inspection device A wire bonder 50 in which light rays 66 that leave an object on a carrying stand 60 pass through a light path 80 that passes through a parallel flat plate and reach an imaging camera 70 as light rays 68. The light path 80...	05/16/2006
6888672	Reflector telescope A compact reflector telescope has a spherical primary reflector and a secondary reflector with a negative lens interposed there between in axial alignment therewith. Light reflected from the primary reflector is passed through the negative lens and is diverted by th...	05/03/2005
6853494	Zoom system The invention concerns a zoom system, having various materials (glass types) and variable air spaces, for example for a surgical (stereo)microscope, constructed from four symmetrically arranged lens groups (2 through 5), each two lens groups (2, 5; ...	02/08/2005
6816321	Afocal zoom for use in microscopes The invention relates to an afocal zoom (1) for use in microscopes of high resolution and high zoom factors having a tube lens (11), the zoom comprising four successive optical assemblies (G1, G2, G3, G4) when viewed from th...	11/09/2004
6683731	Bonding apparatus A bonding apparatus that includes a bonding tool through which a wire passes and which performs bonding on a workpiece, a position detection camera which takes images of the workpiece, a reference member which is disposed in a specified position, and an o...	01/27/2004
6621986	Optical lens arrangement An optical lens arrangement for a rangefinder system in a photographic camera with a fixed viewfinder magnification SK and a fixed measuring base MB is configured to be coupled with a rangefinder eyepiece of the rangefinder system and is designed as an af...	09/16/2003
6542310	Wide converter lens An afocal, wide converter lens is provided in order to shorten the focal length of a main lens, thereby shortening the projection distance that is needed to fully illuminate a given screen size when the wide converter lens is attached to the enlarging sid...	04/01/2003
6493152	Wide converter lens An afocal, wide converter lens is provided in order to shorten the focal length of a main lens, thereby shortening the projection distance that is needed to fully illuminate a given screen size when the wide converter lens is attached to the enlarging sid...	12/10/2002
6424460	Dual field-of-view objects system for the infrared A dual field-of-view objective system (40) which is inexpensive, has high transmission and is essentially achromatized and athermalized. The system (40) uses a silicon front lens A and all lens elements have positive temperature/refractive index change co...	07/23/2002
6392804	Image-blur correcting viewing-optical system An image-blur correcting viewing-optical system including an objective optical system, an image-erecting optical system and an eyepiece optical system. The objective optical system includes an image-blur correcting lens element which is driven in a direct...	05/21/2002
6388821	Lens-based image reversion system An apparatus for correcting a reverted image is disclosed. The apparatus includes first, second, and third axially aligned lenses. The first and third lenses each have a first focal length in a first plane and a second focal length in a second plane that ...	05/14/2002
6320702	Afocal zoom lens, and microscope having the lens An afocal zoom lens comprising, in order from an object side, a first lens group having a positive refractive power, a second lens group having a negative refractive power, a third lens group having a positive refractive power and a fourth lens group havi...	11/20/2001
6163413	Light-weight three-element clinical viewer The light-weight clinical viewer includes a two-element objective lens and a single-element eyepiece lens. Use of multiple lenses allows for a more compact package. The doublet objective serves to reduce vignetting while providing a wide field of view and...	12/19/2000
6141146	Night vision goggle with improved optical system There is provided an improved night vision goggle having a housing containing an objective lens assembly, an image intensifier tube, a collimator assembly, a splitter member, and a pair of afocal telescopes. The optical axis of the afocal telescopes are o...	10/31/2000
6104533	Viewfinder with diffractive optical element An optical viewfinder system comprising two optical elements, and a field stop or a reticle, to provide an image of a scene to a viewer, and further comprising a diffractive optical element to provide a clear, stationary image of the field stop or reticle...	08/15/2000
6061189	Through-the-lens binocular viewer A magnification viewer system includes a pair of magnification viewers adapted to be inserted into apertures in a pair of spectacle lenses to provide a relatively wider field of view and a lighter viewer system. Each magnification viewer includes a two-el...	05/09/2000
6049434	Afocal telescopes An afocal telescope operating in the thermal infra-red waveband has a three-element objective comprising a positively-powered central lens element disposed between positively powered and negatively powered lateral lens elements, the positively powered lat...	04/11/2000
6039445	Afocal water-air lens with greatly reduced lateral color aberration An afocal lens system is provided between two different mediums having dirent indices of refraction and dispersion values, and is used in such devices as diver-masks. The lateral chromatic aberration inherent in the usual flat-surface of a transparent pr...	03/21/2000
5982556	Optical system and lens element for view finder An optical system for a view finder reduced in the overall length without aggravation of the optical performance has a negative power object lens and a positive power eyepiece lens each of which has an asphrical surface at at least one side respectively. ...	11/09/1999
5955243	Illumination optical system and method of manufacturing semiconductor devices An illumination optical system having an afocal optical system includes a first group of lenses having negative refracting power, a second group of lenses having positive refracting power and being positioned further away from a light source than the firs...	09/21/1999
5790323	Light-weight high-magnification clinical viewer The light-weight high-magnification clinical viewer includes a three-element objective lens and a two-element eyepiece lens. Use of multiple lenses allows for a more compact package. The doublet eyepiece lens serves to reduce chromatic aberration at high ...	08/04/1998
5715090	Color corrected viewfinder including a negative power lens component having a diffractive surface A viewfinder having an optical axis and comprising a negative lens component including a lens element having a first diffractive surface which introduces a phase modification $c;(r) into a light wavefront passing through this diffractive surface and a ...	02/03/1998
5687034	Mounting adapter for coupling an optical device to a night vision device A mounting adapter for coupling a TV lens or other type of lens to a night vision device is provided. The mounting adapter is a longitudinal tubular member that has an exterior surface that tapers from a wider first end to a narrower second end. The inter...	11/11/1997

«First «Previous1 2 3 4 Next»Last»

PatentStorm

Quotables

PatentStorm News

Class 359/744 - Afocal (e.g., Galilean telescopes, etc.)