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Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".
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| Number | Title | Issue Date |
| 7796342 | Imaging lens system and capsule endoscope A capsule endoscope has an imaging lens system that forms an image of a substantially spherical object in a plane shape on the imaging surface. The imaging lens system includes first to fourth lenses and an aperture diaphragm. The surface shapes and arrangement ther... | 09/14/2010 |
| 7612946 | Wide-angle lenses The present invention provides new projection schemes for wide angle imaging lenses rotationally symmetric about optical axis wherein the field of view of lenses and the size of image sensors are directly reflected without any reference to the effective focal length... | 11/03/2009 |
| 7609454 | Imaging lens system with high resolution and compact size An imaging lens includes, in the order from the object side to the image side, a first lens of positive refraction power, a second lens of negative refraction power, a third lens of positive refraction power, and a fourth lens of negative refraction power. The imagi... | 10/27/2009 |
| 7535648 | Projection type image display An image that has been displayed on the display screen of an image generator is first passed through a projection lens section consisting of a front group and a rear group. Next after being reflected on the reflecting surface of a free-form surface mirror, the image... | 05/19/2009 |
| 7428106 | Optical field flatteners Field flatteners that can correct large field curvatures. ... | 09/23/2008 |
| 7319896 | Capsule endoscope A capsule endoscope is disclosed that includes a light source, an objective optical system that forms an image of an object that is illuminated by the light source, an image pickup device that receives the image formed by the objective optical system; and a transpar... | 01/15/2008 |
| 7317470 | Imaging device for a printing form and method for arranging optical components in the imaging device An imaging device (10) for a printing form (12), has at least one first and one second laser diode bar (14, 16), the laser diodes (18) on the laser diode bars (14, 16) being disposed in lines. The device includes a first and a seco... | 01/08/2008 |
| 7315359 | Method for monitoring micro-lens curvature in-line A method and system for monitoring a curvature of a micro-lens in-line is disclosed. According to embodiments, sizes of circles (or circle images) from a top view of a micro-lens are measured and correlated to a change in focus depth of an optical scope. A method in... | 01/01/2008 |
| 7280146 | Image pickup apparatus having its peripheral conversion elements shifted outwardly as compared to converging lenses In order to prevent an image quality from being lowered by shading and or the like, an image pickup apparatus is provided which includes an image pickup area including a plurality of photoelectric conversion areas, a plurality of converging lenses for converging lig... | 10/09/2007 |
| 7177086 | Optical component thickness adjustment method, optical component, and position adjustment method for optical component If after manufacture it is found that the thickness of a solid immersion lens is less than a target thickness value, an adjustment portion is adhered thereto by vapor deposition so as to reduce the amount of thickness deficiency. If the solid immersion lens is made ... | 02/13/2007 |
| 7154683 | Five-element optical device An optical device with five air-spaced optical elements. An optical device in the form of an eyepiece is disclosed with a center negative lens and two outer positive lenses on each side of the intermediate negative lens. The eyepiece transmits light from an object t... | 12/26/2006 |
| 7133022 | Apparatus for image projection The invention is directed to a solid-state projection device incorporating a light source, modulator, and control circuitry on a single chip. For example, projection device may include several sets of VCSELs, each associated with a set of MEMs mirrors and coupled to... | 11/07/2006 |
| 7088508 | Double-sided lens sheet and projection screen In order to provide a dual-surface lens sheet in which a color shift is reduced and positions of unit lenses on a front surface and a back surface are easily aligned even if the unit lenses are disposed in fine pitch when used for a rear projection screen which is u... | 08/08/2006 |
| 7010202 | Variable field of view optical system A variable field of view optical system and method comprising providing a forward curved optical element, providing a rearward optical element comprising an axially gradient index material, providing a curved focal surface, and conveying an image on the curved focal... | 03/07/2006 |
| 6995800 | Image pickup apparatus utilizing a plurality of converging lenses In order to prevent an image quality from being lowered by shading and or the like, an image pickup apparatus is provided which includes an image pickup area including a plurality of photoelectric conversion areas, a plurality of converging lenses for converging lig... | 02/07/2006 |
| 6985184 | Electronic camera An improved electronic camera is disclosed which enables higher light-detecting efficiency of the electronic image pick-up device and reduces focusing errors in the periphery of the image field. The present invention arranges the detectors of an optical pick-up devi... | 01/10/2006 |
| 6961185 | Microlens array A microlens array having a resin layer forming convex lenses, wherein the resin layer comprises a cured product of a polycarbodiimide resin represented by formula: wherein R represents a diisocyanate residue; R1 | 11/01/2005 |
| 6710930 | Illumination optical system and method of making exposure apparatus In a projection optical system for projecting and transferring a pattern on a projection original R onto a photosensitive substrate W, one or a plurality of lenses having an in-homogeous radial refractive index about the optical axis are used, while one or a plurali... | 03/23/2004 |
| 6665125 | Optical device and method for focusing a laser beam The invention relates to an optical device for focusing a substantially elliptical laser beam comprising: means for collimating a substantially elliptical laser beam so to generate a collimated beam of substantially elliptical profile; means for circulari... | 12/16/2003 |
| 6595916 | Endoscope apparatus using curvature of field This endoscope apparatus utilizes a phenomenon called "curvature of field" of a lens to satisfactorily bring a shape, into focus, of an object to be observed such as unevenness especially during enlargement in accordance with a shape of unevenness or the ... | 07/22/2003 |
| 6563650 | Compact, telecentric projection lenses for use with pixelized panels Telecentric projection lenses for use with pixelized panels (PP) are provided. The projection lenses have a negative first unit (U1) which has at least one negative meniscus element (N1) having at least one aspheric surface and a positive second unit (U2)... | 05/13/2003 |
| 6462889 | Conformal-dome optical system with rotationally symmetric stationary optical baffles An optical system includes a nonspherical outer dome that is rotationally symmetric about a central axis, a detector system, and an optical corrector positioned in an optical path between the outer dome and the detector system. At least one light baffle i... | 10/08/2002 |
| 6452727 | Projection lens A projection lens arranged to project an image formed on a display panel onto a screen includes a plurality of lens units movable along an axis for varying magnification, wherein at least one of lenses constituting the plurality of lens units has at least... | 09/17/2002 |
| 6411445 | Optical system with center-bored catadioptric imaging lens An optical system has an outer dome and a detector system with an optical train and a sensor disposed to receive an optical ray passing sequentially through the outer dome and the optical train. The optical train includes a solid catadioptric imaging lens... | 06/25/2002 |
| 6339506 | Microlens array with spatially varying optical property Optical systems are corrected for a variety of aberrations by a microlens array where an optical property of the individual microlenses varies as a function of position in the array. For example, the microlenses can be configured so that the focal length ... | 01/15/2002 |
| 6320699 | Aberration correcting apparatus and optical apparatus using the same An aberration correcting apparatus and an optical pickup apparatus using this apparatus, in which a spherical aberration based on a thickness error of an optical disc substrate can be preferably eliminated and a thickness error permission range of the opt... | 11/20/2001 |
| 6304387 | Method of predicting the curvature radius of the microlens The invention proposes a method of predicting the curvature radius of the microlens. By adjusting a spin speed of spin coating and exposure energy during a photolithography step, a volume of the patterned microlens material layer is controlled. Then a len... | 10/16/2001 |
| 6137637 | Prism-type objective lens for the pickup head of an optical disc drive capable of driving two types of optical discs A prism-type objective lens is provided for use in the pickup head of an optical disc drive capable of driving two types of optical discs such as a CD and a DVD. The prism-type objective lens allows the pickup head to be made more compact in size with red... | 10/24/2000 |
| 5871653 | Methods of manufacturing micro-lens array substrates for implementation in flat panel display Three process flows for manufacturing the micro-lens array substrates are disclosed. The process flows consist of two main parts. The first part of the process flows involves fabrication of a master mold. The first two process flows utilize photolithograp... | 02/16/1999 |
| 5677797 | Method for correcting field curvature A method for producing a lens system is provided in which an exact field curvature (EFC) value is determined for at least one principal ray, the EFC value being given by: EFC=-Σ(n'-n)c/nn' the summation being taken over the surfaces of the system, and for eac... | 10/14/1997 |
| 5648871 | Projection apparatus utilizing an anamorphic optical system A projection apparatus in which in order that an original image, which is compressed in a horizontal direction, may be projected onto a screen at a predetermined location by a master lens, the original image is disposed with the center thereof deviated re... | 07/15/1997 |
| 5587838 | Projection lens unit A projection lens unit using the principles of liquid-cooled, optical coupling is disclosed. In particular, the present invention automatically re-focusses a lens unit that is being exposed to high temperature operating conditions. The temperature rise of... | 12/24/1996 |
| 5585955 | Polygonal mirror optical scanning system An optical system for scanning a light beam across an object where the light beam is double reflected by the reflection surfaces of a rotating polygonal mirror. Beam expander optics are included in the light path for the light beam following the first ref... | 12/17/1996 |
| 5559637 | Field curvature corrector A field curvature corrector is provided which has a positive power and a positive exact field curvature (EFC) value for at least one principal ray, where the EFC value is given by: EFC=-Σ(n'-n)c/nn' the summation being taken over the surfaces of the corrector... | 09/24/1996 |
| 5508846 | Wide field of view objective lens assembly An objective lens assembly provides up to 60 degrees field of view for the NVIS image intensifier goggle. A first lens subassembly positioned on the focal axis faces a external view and substantially corrects pupil aberrations in an aperture stop located a... | 04/16/1996 |
| 5392149 | Polygonal mirror optical scanning system An optical system for scanning a light beam across an object where the light beam is double reflected by the reflection surfaces of a rotating polygonal mirror. Beam expander optics are included in the light path for the light beam following the first ref... | 02/21/1995 |
| 5347398 | Optical system for forming an image of a plane on a spherical surface An optical system is adapted to conjugate an object plane with an image spherical dome whose radius is less than its focal length and whose exit dioptric is a spherical dome on which the image spherical dome is substantially superimposed. The optical syst... | 09/13/1994 |
| 5311362 | Projection exposure apparatus A projection exposure apparatus is provided with an illumination optical system for illuminating a reticle having a predetermined pattern and a projection optical system having a predetermined numerical aperture for projecting the predetermined pattern of... | 05/10/1994 |
| 5309283 | Hybrid, color-corrected, projection TV lens system A projection lens system for projecting an image from a cathode ray tube (CRT) onto a screen is provided which includes in order from the image end: a first lens unit (U1), a second positive lens unit (U2) which may include a color correcting doublet, a c... | 05/03/1994 |
| 5255122 | Projection lens system for projection type television A projection lens system for a projection type television having a cathode-ray tube with a panel having a fluorescent inner surface for projecting an image onto a screen. The projection lens system includes a plurality of lens groups, the lens group posit... | 10/19/1993 |
