Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 7515335 | Endoscope relay lens A relay set (4, 4′) for the optical system of a rigid endoscope, the optical system including an objective (1) at the distal end, an ocular (5) at the proximal end and between them a relay lens system consisting of several relay sets (2, 3,... | 04/07/2009 |
| 7372079 | Surface light emitter, display apparatus and light control member To improve the front brightness of the light emitted from a surface light emitter having a surface light emitting device. In the surface light emitter to which a light control sheet having depressions is provided, the surface of the light control sheet having the de... | 05/13/2008 |
| 7336988 | Multi-photon endoscopy An apparatus includes an optical element, a GRIN lens, and a detector. The optical element has a first optical aperture. The GRIN lens has first and second ends. The first end of the GRIN lens is positioned to receive light from the first optical aperture. The detec... | 02/26/2008 |
| 7289272 | Optical system including an anamorphic lens An optical system includes a primary lens group having a central beam path therethrough and including a front lens group and a rear lens group. An anamorphic lens group lies on the central beam path and is positioned between the front lens group and the rear lens gr... | 10/30/2007 |
| 7278965 | Operating mechanism for medical device An operating mechanism for a medical device comprises a photo-interrupter that can designate specified functional operations, an air-tight unit that can accommodate this photo-interrupter air-tightly, a moving member which is disposed inside the air-tight unit, and ... | 10/09/2007 |
| 7262921 | Illuminating optical system for endoscope An endoscope illuminating optical system having a gradient index lens capable of illuminating by a sufficient light amount and by a wider angle is provided. The endoscope illuminating optical system is constituted to illuminate an observed region by light guided by ... | 08/28/2007 |
| 7245438 | Broad band objective having improved lateral color performance A system and method for inspection is disclosed. The design generally employs as many as four design principles, including employing at least one lens from a relatively low dispersion glass, at least one additional lens from an additional material different from the... | 07/17/2007 |
| 7241027 | Illumination system providing light of Gaussian distribution, projection system, and method of forming color image An illumination system includes a light source, first and second cylindrical lens arrays, and a relay lens. The first cylindrical lens array includes a plurality of cylindrical lens cells which divide light emitted from the light source into a plurality of beams. Th... | 07/10/2007 |
| 7230756 | Integrated optical system for endoscopes and the like Optical systems for endoscopes, borescopes, dental scopes, and the like which are characterized by having three groups of lenses of positive optical power and an external entrance pupil. Typically, all three groups of lenses are displaced from the pupil and focal pl... | 06/12/2007 |
| 7211778 | Night vision goggle with separate camera and user output paths A night vision device comprising a first detector, a beam splitter, a user optical output and a camera. The first detector is configured to detect and transmit a scene image in a first spectral band along a first optical path. The beam splitter is configured to rece... | 05/01/2007 |
| 7160248 | Optical device for viewing of cavernous and/or inaccessible spaces An optical device for viewing an object at a range of working distances. The device comprises a slender tube of a certain length and having a distal end and a proximal end. The device further comprises an imaging system disposed at the distal end and having a wide v... | 01/09/2007 |
| 7147810 | Drapable diamond thin films and method for the preparation thereof Wetted thin diamond films which are drapable are described. The films are mounted on various substrates and used as windows for electromagnetic radiation or form a surface coating on an article of manufacture. ... | 12/12/2006 |
| 7058213 | Scanning system and calibration method for capturing precise three-dimensional information of objects A scanning system includes a hand-held scanning device that generates two-dimensional images of a pattern reflected off an object. The system also includes a memory and processing unit. The memory stores a calibration table for the scanner and received scanned bitma... | 06/06/2006 |
| 7050223 | DUV-capable microscope objective with parfocal IR focus A DUV-capable dry objective for microscopes comprises lens groups made of quartz glass, fluorite, and in some cases also lithium fluoride. It possesses a DUV focus for a DUV wavelength region λDUV±Δλ, where Δλ=8 nm, and additionally a parfocal IR fo... | 05/23/2006 |
| 7035549 | Interconnecting circuit boards using free space optics In an electronic device, plural circuit boards are plugged into respective connectors, or sockets, in a common backplane circuit board. The backplane maintains the flat circuit boards in fixed relation to one another. Each circuit board is provided with a respective... | 04/25/2006 |
| 7023622 | Miniature microscope objective lens A miniature microscope objective for a miniature microscope array (MMA) includes preferably at least three or four lenses including from object to image a first positive lens, a second positive lens and a third negative lens. The objective has a numerical aperture (... | 04/04/2006 |
| 7018330 | Optical device for viewing of cavernous and/or inaccessible spaces An optical device for viewing an object at a range of working distances. The device comprises a slender tube of a certain length and having a distal end and a proximal end. The device farther comprises an imaging system disposed at the distal end and having a wide v... | 03/28/2006 |
| 7002741 | Image transmission system for endoscopes and method of producing a rod lens The invention relates to an image transmission system for endoscopes and similar viewing tubes with at least one rod lens and at least one additional lens system. In order to produce an image transmission system of simple and economical construction, it is proposed ... | 02/21/2006 |
| 6992313 | X-ray and neutron imaging An x-ray or neutron apparatus for the transmission of x-ray or neutron images is described, which includes x-ray- or neutron-three-dimensional (3-D) arrays or mosaics, including a plurality of x-ray or neutron lenses positioned so that they form a two-dimensional (2... | 01/31/2006 |
| 6949069 | Endoscope An endoscope assembly is disclosed having a housing adapted to be manipulated by medical personnel, such as a surgeon. An elongated lens tube has one end secured to the housing while an elongated stage is removably secured to the housing so that the stage encompasse... | 09/27/2005 |
| 6935758 | Driver observation system A driver observation system for extending the driver's point of vision to the corners of a vehicle by optically transmitting forward, side and rear images from mirror assemblies receiving images at or near the front and rear corners of a vehicle through a series of ... | 08/30/2005 |
| 6924949 | Lens system and optical device having the same A lens system has a plurality of lenses, a stop, and a diffractive surface, the entire lens system moves during focusing, and the lens system satisfies the condition of β≧0.5, where β is a maximum photographic magnification. ... | 08/02/2005 |
| 6909543 | Foveated display system An improved theater geometry which is capable of providing improved image resolution and improved image contrast over prior systems is achieved with a unique projection geometry and image re-mapping technique. The projected image is provided with a continuously vari... | 06/21/2005 |
| 6853485 | Integrated optical system for endoscopes and the like Optical systems (1-19) for endoscopes and the like are characterized by an integrated design in which the locations of the components and the aberration corrections are no longer tied to the optical functions of the objective (1-6) and the relays (7-19), and in whic... | 02/08/2005 |
| 6804052 | Rod lens system for rigid endoscopes A linear lens system for rigid endoscopes for the conversion of a distal intermediate image into a proximal intermediate image, is characterized by a first non-symmetrically arranged sequence of two linear lenses, a subsequent odd sequence of similar, non-cemented, ... | 10/12/2004 |
| 6796657 | Projection type display apparatus A projection type display apparatus including an illumination optical system for emitting a light flux, a decomposition optical system for decomposing the light flux into color lights of red, green and blue, liquid crystal light valves for the colors for receiving t... | 09/28/2004 |
| 6639739 | Optic for an endoscope/borescope having high resolution and narrow field of view An optic having optimized high spatial resolution, minimal nonlinear magnification distortion while at the same time having a limited chromatic focal shift or chromatic aberrations. The optic located at the distal end of an endoscopic inspection tool perm... | 10/28/2003 |
| 6545802 | Integrated optical system for endoscopes and the like Optical systems for endoscopes, borescopes, dental scopes, and the like which are characterized by having three groups of lenses of positive optical power and an external entrance pupil. Typically, all three groups of lenses are displaced from the pupil a... | 04/08/2003 |
| 6490085 | Symmetric anastigmatic endoscope relay system A symmetric relay system for endoscopes includes an optically-aligned pair of elongated concavo-convex rod-type lenses formed from crown glass, to the convex end surface of each of which a meniscus-shaped flint lens is cemented. The concave ends of the ro... | 12/03/2002 |
| 6490083 | Microscopy method and apparatus An assembly for viewing cells inside tissue of a living organism. The assembly includes a confocal microscope having an objective for magnifying an image positioned at a focal plane of the objective and a light source adapted to direct light through the o... | 12/03/2002 |
| 6471640 | Endoscope optics with device counteracting lens-element shifting An endoscopic optics fitted with lens elements and securing device to secure the element positions against shifting in case of being impacted. The securing device is a circumferentially expansible tube that jointly encloses, at least at one abutment surfa... | 10/29/2002 |
| 6459530 | Small-sized variable magnification optical system A variable magnification optical system includes at least three optical units which are a first moving optical unit, a fixed optical unit and a second moving optical unit. The three optical units are arranged in that order in a propagation direction of li... | 10/01/2002 |
| 6411435 | Monocular viewer and recorder A refocusing device for an optical image display consisting of back-to-back optical eyepieces and other optical elements that creates at least one additional displaced optical image and permits reverse viewing through optical imaging systems.... | 06/25/2002 |
| 6398723 | Endoscope having an immobilization system for components of an inner optical system An endoscope has a tubular shaft in whose interior is arranged at least one component of an optical system. At least one support element made from a shrinkable material surrounds at least partially said component in a radial gap between the outer side of ... | 06/04/2002 |
| 6327096 | Set of lens system A set of lens systems consisting of a plurality of different kinds of lens systems each comprising a radial type gradient index lens element(s), wherein the radial type gradient index lens elements have a common refractive index distribution.... | 12/04/2001 |
| 6313942 | Small-sized variable magnification optical system A variable magnification optical system comprises at least three optical units which are a first moving optical unit, a fixed optical unit and a second moving optical unit. The three optical units are arranged in that order in a propagation direction of l... | 11/06/2001 |
| 6301043 | Endoscope with at least one reversal system with a non-homogeneous refraction index An endoscope having a distally disposed lens and an optical transmission system which transmits the image of the lens to the proximal end of the endoscope is provided. The transmission system includes at least one reversing system, which includes two elem... | 10/09/2001 |
| 6236505 | Binoculars A binocular includes a hood, an eyepiece lens panel, and an objective lens panel. The hood has top, left side, and right side portions that are integrally formed. The left and right side portions have free edges that extend downwardly from the top to form... | 05/22/2001 |
| 6163401 | Optical system for non-flexible endoscopes A relay lens system used in an observation optical system which is to be disposed in an insert section is disclosed. The relay lens system comprises a plurality of relay lens units at least one of which allows longitudinal chromatic aberration to remain i... | 12/19/2000 |
| 6163400 | Variable magnification optical system and image pickup apparatus using the same A variable magnification optical system comprising four optical units each having a reflecting surface inclined with respect to a reference axis ray which is a ray passing from an aperture center of an aperture stop to a center of a final image plane, the... | 12/19/2000 |
