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A simulation environment for the sport of boxing utilizing a robotic machine interface system which carries a person
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| Number | Title | Issue Date |
| 4350411 | Transfer lens and head-down display using the same A transfer lens comprises a first field-flattening component of negative power, a second component of positive power providing overcorrect astigmatism, a third component of positive power consisting of a plurality of positive members providing most of the... | 09/21/1982 |
| 4346966 | Compact lens system operable in different mediums The present invention is directed to a compact lens system equally operable in both air and water, comprising a first lens group having a front surface directly facing the air or water medium, the center of the curvature of the front surface being located... | 08/31/1982 |
| 4340279 | Rear attachment lens In order to increase the focal length of a master lens, a lens of negative power is attached at the rear end of the master lens. This rear attachment lens comprises three lens groups of which the first, counting from the front, is of positive power and co... | 07/20/1982 |
| 4331391 | Lens system having wide angle objectives Wide angle optical objectives for use in aerial mapping cameras to provide improved resolving power and improved contrast rendition derived from the pattern of glass types and lens data employed. The outermost elements are weakly positive menisci to produ... | 05/25/1982 |
| 4266848 | Optical system for night-vision glasses An optical system for night-vision glasses having a long focal length and a large image angle including an objective having a structural length less than 1.6f and an aperture ratio larger than 1.2, with the objective having a high distortion and an image ... | 05/12/1981 |
| 4264151 | Optical adaptor for movie and television cameras An optical adaptor is provided to permit objective lenses designated for a certain image format to be used on optical devices having a smaller image format. Thus, 35 mm single lens reflex camera lenses can be mounted on a cinematographic camera and a T.V.... | 04/28/1981 |
| 4264137 | Compact retrofocus type lens system A compact retrofocus type lens system having a first lens component of a positive meniscus lens with its convex surface facing the object side, second and third lens components of negative meniscus lenses with their convex surfaces both facing the object ... | 04/28/1981 |
| 4258980 | Retrofocus lens A retrofocus lens subtending a field angle up to 84° or more characterized by compactness, fast relative aperture, and good aberration correction. These characteristics are obtained by selection of the relative powers of a front negative and a rear posit... | 03/31/1981 |
| 4253736 | Combination lens system with attachment lens A combination lens system including a camera objective and a rear attachment therefor. The objective is preferably of the telephoto type comprising a front group having a positive focal length and a rear group having a negative focal length. The rear grou... | 03/03/1981 |
| 4241981 | Compact wide angle zoom lens A compact wide angle zoom lens in order from the object side, of a divergent front lens group and a convergent rear lens group, the overall focal length being variable by mechanical movement of the front and rear lens groups. The divergent front lens grou... | 12/30/1980 |
| 4240703 | Telephoto lens A telephoto lens having a relatively short focal length compared to what is generally accepted as the focal length of a telephoto lens and corrected for aberrational deviations throughout the focusing range. The lens comprises a positive first (counting f... | 12/23/1980 |
| 4235519 | Compact retrofocus type wide angle objective The wide angle objective disclosed is composed of eight components. The first counting from the front is a negative meniscus lens of forward convexity. The second component is a positive lens with a front surface of strong positive power, and the third is... | 11/25/1980 |
| 4217034 | Retrofocus type wide angle photographic lens A retrofocus type wide angle photographic lens is disclosed comprising eight lens elements grouped into eight lens components. The lens has an aperture ratio 1:2.5 and a viewing angle of 85°.... | 08/12/1980 |
| 4210388 | Large-aperture wide-angle lens system for photographic cameras A large-aperture wide-angle lens system for photographic cameras with corrected flare due to coma of marginal pencil comprising a flare stop arranged in the vicinity of an intersecting point between the maximum aperture ray of paraxial pencil and the oute... | 07/01/1980 |
| 4206973 | Retrofocus type wide-angle objective A retrofocus wide angle objective having an angle of view of at least 82° with a relative aperture of 1:2.8 and whose back focal distance is made longer than 1.4 times the focal length of the entire system. The objective comprises, from front to rear, a ... | 06/10/1980 |
| 4201440 | Lens system for micro film A lens system for micro film which provides high resolution over a wide range with an ultraviolet ray, and has transmittance sufficient for said ray and a long working distance on the image side. Said lens system comprises a first negative cemented double... | 05/06/1980 |
| 4188092 | Retrofocus type wide-angle objective lens A retrofocus type lens having an angle of view at least 75° and F number 1:2.0. The lens includes a first lens group of a divergent type, a second lens group of a convergent type and a third lens group of a convergent type. The first lens group includes ... | 02/12/1980 |
| 4152050 | Shift lens system A shift lens system having a correcting means for correcting aggravation of aberrations to be caused when the lens system is shifted in parallel with the image surface. The correcting means is arranged to decenter at least one lens component in the lens s... | 05/01/1979 |
| 4126378 | Telephoto lens system having an improved focusing capability A telephoto lens system having improved focusing capabilities is provided wherein a first lens group of an overall positive refractive power is mounted on the object side of a second lens group of an overall negative refractive power. The lens components ... | 11/21/1978 |
| 4089591 | Extremely high speed objective A high power objective or lens system of the same general kind as disclosed in Glatzel U.S. Pat. No. 3,915,558, but with a larger aperture and a slightly smaller angular field of view. Rules or conditions are disclosed which, if complied with, will result... | 05/16/1978 |
| 4070098 | Fisheye projection lens system for 35mm motion pictures A 180° high resolution fisheye projection lens suitable for projecting images onto a hemispherical dome, such as a planetarium dome, includes a nine-element projection lens and a six-element relay lens. The relay lens serves to increase the distance betw... | 01/24/1978 |
| 4066335 | Variable density lens A lens is fabricated with a layer of liquid crystalline material between electrodes, wherein the liquid crystalline composition is capable of altering the state of polarization of light when a voltage is applied between the electrodes. A linear polarizer ... | 01/03/1978 |
| 4050778 | Ultra-violet micrographic objective An economical optical system without elements of more exotic optical materials for imaging light rays from an ultra-violet or near ultra-violet light source of an optical instrument.... | 09/27/1977 |
| 4050779 | Ultra-violet micrographic objective An economical optical system for imaging light rays from a near ultra-violet light source of an optical instrument without elements of special optical materials.... | 09/27/1977 |
| 3997247 | Unsymmetrical wide angle lens A wide angle lens of moderate aperture, similar in general to the lens of Glatzel et al. U.S. Pat. No. 3,833,290, but differing from it and from other similar lenses in the refractive power distribution as between two dispersing components near the front ... | 12/14/1976 |
| 3994575 | Wide angle objective lens A wide angle objective lens comprising from front to rear a double-plano filter, a negative meniscus lens element, a second negative meniscus lens element, a cemented doublet consisting of a biconvex lens element and a biconcave lens element, a second cem... | 11/30/1976 |
