Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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 |
| 7586678 | Optical imaging system for obtaining multi-field-of-view image High-resolution imaging systems are provided. In one embodiment, an imaging system based on a Cassegrain or Schmidt-Cassegrain objective, with coaxial primary and secondary mirrors, is provided with a microdisplacement mechanism acting on the secondary mirror to dis... | 09/08/2009 |
| 7466481 | Binocular with disparate fields of view An improved binocular apparatus, system and method for presenting disparate fields of view is provided. The binocular apparatus and system differently magnifies optical transmissions pertaining to fields of view concurrently and simultaneously presents the optical t... | 12/16/2008 |
| 7365905 | Collimated optical system An optical system provides a lens cell having a generally cylindrical lens cell body and an optical lens system therein. The lens cell body has a lens cell central longitudinal axis and a lens cell optical axis, eccentrically offset from the lens cell central longit... | 04/29/2008 |
| 7088506 | Compact spotting scope with side focus control A compact spotting scope includes a housing with an outer surface having a grasping region sized and shaped to fit in the palm of a user's hand so that the spotting scope can be held at eye level with one hand in an ergonomic arm and wrist position for steady suppor... | 08/08/2006 |
| 6540185 | Tripod attachment for binoculars The tripod attachment for attaching a pair of binoculars to a tripod has a friction force producing member providing friction force to hold the pair of binoculars at any desired position with respect to an attachment body when fastening a screw member to ... | 04/01/2003 |
| 6487809 | Optical sight system with wide range of shooting distances An optical sight system of the invention with a wide range of shooting distances comprises a combination of a telescopic optical sight with a reticle type sight. The reticle sight consists of a partially transparent mirror attached to the outer surface of... | 12/03/2002 |
| 6239918 | Telescopic optics with peripheral vision An optical device and a viewing method having a higher magnification viewing area located substantially centrally in a lower magnification area, whereby the structure facilitates locating viewing object within in higher magnification viewing area.... | 05/29/2001 |
| 6201641 | Panoramic night vision goggles A binocular-like vision system (50) for enabling an observer to view an object. The system includes an input end (72,90) that receives light from the object and an optical transfer system (62,64,86,88) that receives the light received from the input end a... | 03/13/2001 |
| 6188521 | Image displaying apparatus having magnification-changing system The present invention relates to an image displaying apparatus comprising an image displaying device for radiating light to display an image, a first optical system for forming the image on a primary image plane, which has a magnification-changing portion... | 02/13/2001 |
| 6172806 | Concentric telescope system A universal dual power telescope comprises two concentrically mounted telescopes combining functions of a tube-mounted finder and a regular telescope. The finder rotating inside the telescope includes a truncated prism for switching the telescope modes of... | 01/09/2001 |
| 5930036 | Binocular spotting scope assembly A binocular/spotting scope assembly for outdoor and field activities includes binoculars having stereoscopic vision and a spotting scope having a more localized, higher power field of vision than the binoculars. The binoculars and the spotting scope are s... | 07/27/1999 |
| 5583692 | Binocular Telescopic optical systems of a binocular have respective objectives movable along respective optical axes for focusing on an object, and respective power-varying lens assemblies movable along respective optical axes for varying magnifications. One of the... | 12/10/1996 |
| 5541767 | Bioptic telescope system for use with bifocal spectacle A method and apparatus for allowing a user who wears spectacles including at least one lens having a positive magnification factor, to view a distant object through both the lens of the spectacles and a telescope. The method comprises the step of position... | 07/30/1996 |
| 5479293 | Portable magnification apparatus for conducting medical examinations A portable apparatus useful for close range physical examinations, in particular for use as a colposcope, is described. The portable apparatus includes a stereoscopic optical unit, a main frame lens holder, an auxiliary frame lens holder, a light and moun... | 12/26/1995 |
| 5349469 | Optical mode switching system An optic mode switching system 14 provides for switching between two or more optic modes by movement of an eye 24. The system 14 comprises a first optic system 10 which provides a first image at a first position 25. The system 14 also comprises a second o... | 09/20/1994 |
| 5321547 | Monocular telescope A monocular telescope in which the beam path is so laid out that the casing may be flat in the direction of view, and the optical axis of the beam path in the casing describes a somewhat rectangular route, and in which the telescope has a view finder beam... | 06/14/1994 |
| 5161051 | Simultaneous dual field of view sensor An optical system (10) for producing dual fields of view simultaneously. The system (10) includes a first optical system (12) for producing a first field of view image and a second optical system (36) for producing a second field of view image where the a... | 11/03/1992 |
| 4669833 | Spotting scope with alignment viewer A optical spotting scope in combination with an optical alignment viewer which includes a spotting scope body; a optical spotting scope lens system mounted within the spotting scope body to provide an optical axis therethrough and to further provide high ... | 06/02/1987 |
| 4641931 | Dual magnification telescope The invention relates to a dual magnification telescope such as, for example, an intensifier telescope. Telescope compriser an objective, an intensifier tube with an optical fiber input, and an eyepiece. According to the invention, the dual magnification ... | 02/10/1987 |
| 4483598 | Gun sight This invention provides an optical sight comprising a first telescope having a fixed increasing magnification whose image is combined and overlayed with the image of a second telescope having a selectable increasing magnification. The magnification of the... | 11/20/1984 |
| 4465347 | Helmet mounted telescope An improved helmet is provided including means to telescopically acquire an image of a field of view, which comprises, a telescopic optical system including an objective lens mounted to said helmet above the line of sight of the wearer, a light-conducting... | 08/14/1984 |