Bizarre Patents
Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8089707 | Diaphragm changing device The invention relates to an optical imaging device, in particular an objective 1 for microlithography in the field of EUVL for producing semiconductor components, having a beam path 2, a plurality of optical elements 3 and a diaphragm device ... | 01/03/2012 |
| 8077403 | Lens barrel A lens barrel has a first lens group, a second lens group, a third lens group, a first support frame for supporting the first lens group, a second support frame for supporting the second lens group, a first driving unit, a shutter unit, and an aperture unit. The fir... | 12/13/2011 |
| 8077402 | Imaging lens It is to provide an imaging lens that can improve optical performance while reducing size and weight. An imaging lens includes, in order from an object side to an image surface side, a diaphragm, a first lens that is a biconvex lens, and a second lens that is... | 12/13/2011 |
| 8049973 | Projection objective and method for optimizing a system aperture stop of a projection objective In certain aspects, the disclosure relates to a projection objective, in particular for a microlithography exposure apparatus, serving to project an image of an object field in an object plane onto an image field in an image plane. The projection objective includes ... | 11/01/2011 |
| 8023205 | Lens array, light emitting diode head, exposure device, image forming apparatus, and reading apparatus A lens array includes a lens assembly member and a light blocking member. The lens assembly member includes lens elements arranged in an arrangement direction substantially perpendicular to optical axes thereof. The light blocking member includes apertures extending... | 09/20/2011 |
| 7982974 | Image pickup apparatus An image pickup apparatus having a lens unit configured to include a plurality of lenses and a variable aperture mechanism capable of varying an aperture opening diameter, the image pickup apparatus including: in the lens unit, a variable aperture unit configured by... | 07/19/2011 |
| 7885016 | Light quantity adjusting device, lens barrel and image pickup apparatus Disclosed herein is a light quantity adjusting device including: first and second diaphragm blades shiftably provided to adjust a size of a diaphragm aperture; a neutral density filter blade provided shiftably in the same direction as the first and second diaphragm ... | 02/08/2011 |
| 7880979 | Aperture stop and manufacturing method thereof An aperture stop includes a body and a black film. The body is stainless steel and the black film is disposed on at least two corresponding ends of the body. A manufacturing method of the aperture stop is also provided. The aperture stop is produced using the charac... | 02/01/2011 |
| 7855844 | Objective lens and optical measuring device An objective lens used for a microscope includes a lens(es), an iris diaphragm and a tubular body. The lens(es),which is provided in a manner facing an object, transmits light reflected from a measuring surface of the object. The iris diaphragm, which is provided be... | 12/21/2010 |
| 7777971 | Aperture stop device An aperture stop device is provided for use in a microscope with at least one adjustable observation parameter. The aperture stop device includes at least one aperture stop (50a, 50b) with an adjustable aperture, that is to say with an ad... | 08/17/2010 |
| 7751127 | Projection objective and method for optimizing a system aperture stop of a projection objective In certain aspects, the disclosure relates to a projection objective, in particular for a microlithography exposure apparatus, serving to project an image of an object field in an object plane onto an image field in an image plane. The projection objective includes ... | 07/06/2010 |
| 7746569 | Imaging device It is an object of the present invention to provide an imaging device that, even if the optical axis of the multifocal lens has a deviation resulting from its decentered surfaces, can prevent an image from being deteriorated by the low precision lens. The imaging de... | 06/29/2010 |
| 7684125 | Diaphragm changing device The invention relates to an optical imaging device, in particular an objective 1 for microlithography in the field of EUVL for producing semiconductor components, having a beam path 2, a plurality of optical elements 3 and a diaphragm device ... | 03/23/2010 |
| 7609459 | Shutter device for infra-red imaging systems A shutter for an infra-red imaging camera comprises shaped first and second elements (17, 18) which are movable relative to each other, between open and closed positions. In the open position, the elements (17, 18) overlie each other leaving a clear op... | 10/27/2009 |
| 7589916 | Micromirror array with iris function The present invention provides a micromirror array with iris function that comprises a plurality of micromirrors and is configured to provide an adjustable aperture having a plurality of aperture sizes by controlling motions of the micromirrors. The adjustable apert... | 09/15/2009 |
| 7440197 | Image forming lens and portable information terminal The image forming lens comprises a stop and a single lens placed in this order from the object side, wherein if the object-side surface of the single lens having paraxial curvature radii to form biconvex surfaces is referred to as the first surface while the image-s... | 10/21/2008 |
| 7436449 | Electronic imaging system The invention relates to an electronic imaging system such a video camera or digital camera, whose thickness or size is reduced while performance degradation is reduced as much as possible. The system comprises a zoom lens system comprising a first G1, a seco... | 10/14/2008 |
| 7420611 | Electronic image pickup system The invention makes a suitable selection from zoom modes and lens elements so thin that the thickness of each lens group can reduced, thereby slimming down a zoom lens with great thoroughness and, hence, an electronic image pickup system. The electronic image pickup... | 09/02/2008 |
| 7417684 | Electronic image pickup system The invention makes a suitable selection from zoom modes and lens elements so thin that the thickness of each lens group can reduced, thereby slimming down a zoom lens with great thoroughness and, hence, an electronic image pickup system. The electronic image pickup... | 08/26/2008 |
| 7414665 | Imaging system The invention relates to an imaging system in which, while high image quality is maintained with the influence of diffraction minimized, the quantity of light is controlled, and which enables the length of the zoom lens to be cut down. The imaging system comprises a... | 08/19/2008 |
| 7401987 | Photographing lens having an eccentricity adjusting device A photographing lens includes an eccentricity adjusting frame which holds an eccentricity adjusting lens group serving as a part of a photographing optical system of the photographing lens; a lens support frame, an axis of which is coincident with a predetermined op... | 07/22/2008 |
| 7390098 | Projection lens, and projection display apparatus and rear projection display apparatus using the projection lens A projection lens that, though designed for right projection, shows good aberration performance and can realize specifications required for a projection display apparatus, such as a low F number, a wide angle, a long back focus, and a high relative illumination, wit... | 06/24/2008 |
| 7372641 | Contrast reinforcement for displays The invention relates to a method and a device for contrast enhancement for display devices. A high-contrast representation of optical signals and/or symbols is achieved by providing a light-absorbing and/or light-deflecting background which is dark in comparison to... | 05/13/2008 |
| 7365917 | Optical method and system for extended depth of focus An imaging arrangement and method for extended the depth of focus are provided. The imaging arrangement comprises an imaging lens having a certain affective aperture, and an optical element associated with said imaging lens. The optical element is configured as a ph... | 04/29/2008 |
| 7354536 | Method of manufacturing an optical component having a holder A method of manufacturing an optical component having an optical element and a holder attached to the optical element, comprising the steps of: inserting a blank for the optical element into a through hole of the holder wherein the through hole has a narrowed portio... | 04/08/2008 |
| 7352519 | Lens module Combining one or more elements of a beam shaping assembly in a lens module to, for example, reduce the mechanical tolerances in construction of the assembly. An exemplary lens module comprises a molded plastic lens with alignment features, a cylindrical surface, a f... | 04/01/2008 |
| 7338174 | Shutter device and projection type video display Each shading plate comprises a rotating shaft and a driving shaft arranged vertically. First divided shading plate is loosely fitted to and supported by (not adhere to) the rotating shaft and rotates around the shaft. Second divided shading plates are fixed to the r... | 03/04/2008 |
| 7339752 | Image pick-up lens system An image pick-up lens system from an object side to an image side includes an aperture stop (10), and a meniscus-shaped lens (20) having a concave surface on the object side and a convex surface on the image side. The lens has at least one aspheric sur... | 03/04/2008 |
| 7336421 | Optical system with anti-reflection coating In an imaging optical system, which comprises a plurality of optical members and an aperture diaphragm, an anti-reflection coating is provided selectively on one or more surfaces of light-transmitting members that are concave with respect to the aperture diaphragm. ... | 02/26/2008 |
| 7312933 | Rectangular monobloc optical lens and manufacturing method thereof A rectangular monobloc optical lens and a manufacturing method thereof are disclosed. A monobloc optical lens includes a rectangular surround and a central mirror-surface area. The rectangular surround is mounted inside a clipping part of a lens holder. The central ... | 12/25/2007 |
| 7310131 | Lithographic apparatus and device manufacturing method The projection system of a lithographic apparatus has a plurality of pupil planes and at least two irises provided in respective pupil planes each optimized to provide a high degree of NA uniformity over a respective NA range so that a high degree of NA uniformity c... | 12/18/2007 |
| 7301712 | Image-formation optical system, and imaging system incorporating the same The invention relates to an image-formation optical system that meets both demands for high performance and compactness, and an imaging system that incorporates the same. The imaging system is built up of an image-formation optical system comprises, in order from it... | 11/27/2007 |
| 7295382 | Image pickup device and method of controlling a lens unit An image pickup device includes a collapsible lens barrel which is held in a main body of the device in non-picture-taking mode, and a shutter unit which is arranged behind a rearmost one of a plurality of optical lenses that make up the lens barrel and which includ... | 11/13/2007 |
| 7295383 | Imaging lens It is to provide an imaging lens that maintains optical performance and achieves reduction in size and weight. The imaging lens comprises, in order from an object side towards an image surface side, a first lens which is a meniscus lens having a positive power whose... | 11/13/2007 |
| 7286156 | Light source device for scanning-exposure and method and apparatus for scanning-exposure A blue laser light source is a semiconductor laser having a sapphire substrate that is transparent to a wavelength of a blue laser beam emitted from an active layer. A condenser lens converges the blue laser beam at a focal point where a modulator is placed. A slit ... | 10/23/2007 |
| 7286449 | Optical pickup device An object of the present invention is to provide an optical pickup device with high reliability and reduced thickness, which can form an accurate beam spot without providing a thin film section in a lens holder and without influence of peripheral light of laser beam... | 10/23/2007 |
| 7268958 | Holder and optical element A holder and optical element device includes a holder having a substantially cylindrical interior shape and an optical element fitted in the holder along an inner surface of the holder. The holder may have a step on the inner surface thereof. This step has a surface... | 09/11/2007 |
| 7260025 | Bookmark with integrated electronic timer and method therefor A bookmark (12) uses an integrated electronic timer circuit (18) to track reading time. A flat substrate (14) marks the page of the book. A header (16) is integral with the substrate. The header has a cavity for housing the electronic tim... | 08/21/2007 |
| 7242537 | Holding and positioning apparatus for an optical element In a holding and positioning apparatus for an optical element, the optical element is mounted in a mounting ring and the mounting ring is mounted via at least one manipulator unit. The manipulator unit has a linear actuating element. The manipulator unit has a manip... | 07/10/2007 |
| 7221516 | Projection lens for a microlithographic projection exposure apparatus A projection lens for a EUV microlithographic projection exposure apparatus comprises a diaphragm (BL) which is arranged at a distance (D) in front of a mirror (S2) of the lens. The diaphragm (BL) has a non-round aperture with an edge contour that may be conf... | 05/22/2007 |
