The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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 |
| 7344258 | Forward view apparatus for motor vehicles Forward view apparatus (10) for a motor vehicle, to enable the driver of the vehicle to view an image of objects which are located forward of the apparatus (10), includes a housing (12) in which a rear view mirror (14) is located. A two-m... | 03/18/2008 |
| 7307771 | Gimbal with orbiting mirror A gimbal for a gimbaled mirror optical sensor system includes a mirror support rotatable about a first axis along which an optical sensor suite lies, the first axis being spaced apart from a desired pivot point of a variable line of sight, which may be for example a... | 12/11/2007 |
| 7284869 | Rear light viewing assembly and method A rear light viewing assembly and method includes a panel that has a top side and a bottom side. A magnet is attached to the bottom side of the panel. An arm is removably attached to and extends upwardly from the top side. The arm has an upper end and a lower end. A... | 10/23/2007 |
| 7248405 | Re-focusing mechanism for imaging system Two reflective surfaces disposed in a predetermined angular orientation inside the optical tube assembly of a telescope intercept the optical beam and deliver it from the objective to the eye-piece. By translating these surfaces simultaneously along the axis bisecti... | 07/24/2007 |
| 7239775 | High repetition rate, linear, true time optical delay line An optical delay line for use with an optical source including input/output optics optically coupled to the optical source and a curved mirror with a reflective surface that is centered about an evolute curve of the delay line to retro-reflect light traveling along ... | 07/03/2007 |
| 7137716 | Vehicle auxiliary rear view mirror assembly and method An auxiliary rear view mirror assembly for increasing a driver's lateral and rearward field of vision without adversely affecting the driver's forward field of vision. The auxiliary rear view mirror assembly is mounted at the rear of a vehicle in a location which is... | 11/21/2006 |
| 7097314 | Two-in-one wide angle automobile mirror A mirror device for use inside a vehicle which includes a front seating area, a rear seating area, a sun visor within the front seating area, and a rear seat within the rear seating area. The rear seat has a top surface. The mirror device includes a mirror having a ... | 08/29/2006 |
| 7023594 | Electro-optic lens with integrated components A range finder device for use with a controller in an optical system is disclosed in accordance with one embodiment of the invention. The range finder device comprises a transmitter to produce a first beam of non-visible radiation for intersecting a perceived object... | 04/04/2006 |
| 7012727 | Rearview mirror assembly with utility functions An interior rearview mirror assembly for a vehicle includes a reflective element, a housing or casing supporting the reflective element, and the casing including a storage space. The storage space provides storage for at least one accessory and for storing the acces... | 03/14/2006 |
| 6979089 | Multi-view mirror assembly for a vehicle A multi-view mirror assembly for a vehicle dimensioned to allow a driver to view people, vehicles and other objects positioned lateral and downwardly vertical to a rear end of the vehicle is disclosed. The multi-view mirror assembly is mountable on either an exterio... | 12/27/2005 |
| 6918670 | System, apparatus, and method for correcting vision using an electro-active lens A spectacle lens is disclosed. The disclosed lens provides a vision correcting area for the correction of a wearer's refractive error. The viewing correction area provides correction for non-conventional refractive error to provide at least a part of the wearer's vi... | 07/19/2005 |
| 6912341 | Optical fiber link A system comprises at least one optical fiber that revolves around an axis when an array assembly that includes a radar array revolves around the axis. The optical fiber receives a light pattern that specifies information from the array assembly. A stationary device... | 06/28/2005 |
| 6715893 | Lateral-view mirror assembly for a vehicle A lateral-view mirror assembly capable of providing a driver of a vehicle with the ability to view objects positioned lateral to a rear portion of the vehicle by looking at a reflection of the objects reflected from lateral-view mirrors to a rear-view mirror to the ... | 04/06/2004 |
| 6715894 | Forward-viewing mirror A mirror unit having two mirrors, so the area in front of the mirror can be viewed, is adjustable in a plurality of planes to facilitate use by a wide range of users. The mirror unit can be used on a motor vehicle. ... | 04/06/2004 |
| 6676265 | Ellipsoidal mirror An optical system capable of providing a magnification which can be varied comprises a pair of ellipsoidal mirrors [(20, 21)]which are so mounted and arranged that the focus for radiation reflected from one mirror corresponds substantially with the input ... | 01/13/2004 |
| 6332573 | Produce data collector and produce recognition system A produce data collector and produce recognition system which illuminates a produce item with substantially uniform light to enhance the accuracy of collected produce data and subsequent identification of the produce item as part of a transaction in a tra... | 12/25/2001 |
| 6191352 | Device for projecting a defined light beam onto a photosensitive area A device for directing a defined light beam onto a photosensitive area, for testing the performance of a photovoltaic module including said photosensitive area, comprising a support structure (1) which can be turned about a vertical central axis (4) in ac... | 02/20/2001 |
| 6179267 | Baby mirror A mount for a baby mirror for viewing a baby in a baby seat placed on a back seat of a motor vehicle in a rearwardly facing position. The mount includes one of the fasteners for securing the headliner of the vehicle to a roof panel. The mirror has a housi... | 01/30/2001 |
| 6078420 | Hole-coupled laser scanning system An all-reflective optical system uses a mirror with a hole to transmit a focused laser beam to an on-axis elliptical mirror. The reflected beam from the ellipse is predominately reflected off the mirror with a hole and focused to a distant adjustable focu... | 06/20/2000 |
| 6022115 | Optical system for optical beam scanning The present invention is directed to an optical system for measurement of a three dimensional device. The optical system is designed and configured to meet telecentric and f-θ requirements. The system employs primary and secondary mirrors operating in co... | 02/08/2000 |
| 5867329 | Multiple-pass reflection filter An optical filter that uses multiple reflections to provide spectral bandpass filtering of ultraviolet, visible and infrared radiation with a very high transmission of wavelengths within a selected passband coupled with exceptional off-band rejection. The... | 02/02/1999 |
| 5790328 | Vehicular visual safety device A vehicular visual safety device having a pair of substantially parallel mirrors secured within the interior of the vehicle in fixed relationship with the driver. The rear-most mirror is positioned so as to capture an image lateral and forward of the devi... | 08/04/1998 |
| 5644443 | Reflective dead angle vision device for vehicle side mirrors The invention is a reflective dead angle vision device, which provides a line of sight for the driver that includes the area adjacent to the two front tires. The invention has a housing and two ultra wide-angle mirrors. The housing has movable transparent... | 07/01/1997 |
| 5572375 | Method and apparatus for manipulating, projecting and displaying light in a volumetric format The apparent position of a three-dimensional volumetric image can be "translated" or moved away from image generation apparatus by employing an image translation chamber comprising two concave reflectors. In one embodiment, a reduced portion or "sector" o... | 11/05/1996 |
| 5526195 | Rear-view system for vehicles A rear view system for a vehicle (10) includes in combination a light transmitting member (2) and a light reflective medium (16) spatially displaced from the member. The member has a first face (4) for light emergence from which in use light rays are dire... | 06/11/1996 |
| 5453882 | Viewing device A viewing device is adapted to enable an observer in a vehicle to view an object located to the rear of the observer. The vehicle has a rear vision mirror. The device comprises a support adapted to be rigidly affixed to the vehicle and a reflecting means ... | 09/26/1995 |
| 5321556 | Vehicle safety convex rearview mirror with distortion offset means and method of using the same The present invention is a vehicle safety rearview mirror assembly with distortion offset element and method of using the same. The rearview mirror assembly comprises an elongated convex mirror. The convex mirror is independently supported by a double-bal... | 06/14/1994 |
| 5306892 | Mirror objective arrangement The invention is directed to a pancratic mirror objective system for laser focussing and especially for laser machining apparatus. The pancratic mirror objective system preferably includes a convex paraboloid mirror and an ellipsoid mirror. The ellipsoid ... | 04/26/1994 |
| 5237459 | Vehicular visual safety device This specification relates to the invention of a vehicular visual safety device. The device utilizes a planar object, and an opposed convex reflecting mirror mounted on the inside surface of a vehicle windshield enabling the driver to see objects lateral,... | 08/17/1993 |
| 5200859 | Vision saver for computer monitor A vision saver for use with a computer monitor relieves eye strain, reduces focusing problems, minimizes eye convergence, reduces the number of eye and head movements by an operator using a computer keyboard with the computer monitor, and reduces glare. T... | 04/06/1993 |
| 5144495 | Systems for illuminating and evaluating surfaces Systems and methods for illuminating an object surface with light at varying angles of incidence and for optically evaluating the object surface for features and defects, etc. are disclosed. In a specific implementation the systems and methods, the target... | 09/01/1992 |
| 5130856 | Easy viewing device with shielding A computer monitor viewing device is provided which locates a monitor image at a comfortable viewing location and which is desirably suitable for use by most computer users and, in particular, by bifocal users. The device includes a first mirror positione... | 07/14/1992 |
| 5094533 | Optoelectrical particle detection apparatus An optoelectrical particle detection apparatus comprising concave and convex reflectors spaced from each other by a predetermined distance, a laser source for emitting a laser beam and introducing the laser beam between the concave and convex reflectors, ... | 03/10/1992 |
| 5058967 | Apparatus for manipulating laser beams, particularly power laser beams for use by robots In an apparatus for manipulating laser beams with mirrors, the beam is caused to emerge substantially in alignment with the initial direction of the incoming beam by deflecting the incoming beam with a first mirror whose position is selectively adjustable... | 10/22/1991 |
| 4930884 | Easy viewing device with shielding A computer monitor viewing device is provided which locates a monitor image at a comfortable viewing location and which is desirably suitable for use by most computer users and, in particular, by bifocal users. The device includes a first mirror positione... | 06/05/1990 |
| 4925287 | Mirror assembly for facilitating trailer hitch element alignment A mirror device to provide assistance for a vehicle driver when coupling a trailer to a vehicle. The mirror device includes a support having multiple legs which can be detached to the surface of the vehicle and which carry a mirror which can be oriented s... | 05/15/1990 |
| 4921339 | Dual mirror viewing system A dual mirror viewing system for providing an above ground exterior view through a below ground basement window surrounded by an exterior well, includes a pair of elongated extensible spaced frame members. A pair of elongated mirrors are mounted in inclin... | 05/01/1990 |
| 4905376 | Apparatus for facilitating trailer hitch element alignment A hitch viewing mirror assembly detachably mounts directly to the tow vehicle, either a special tail-gate clamping means for a pick-up truck or a magnetic mount for a passenger car, thus the tow view operator may view the two vehicle hitch member and the ... | 03/06/1990 |
| 4863253 | High magnification reflecting microscope objective having a dual magnification mode and zoom magnification capability A modified Schwarzschild Casegrainian objective reflects radiant energy between the primary and secondary mirror two times to form a four reflection optical path. The four reflection optical path increases the magnification of the objective without making... | 09/05/1989 |
| 4850688 | Optical personal inpection instrument An optical personal inspection instrument enabling an individual, without any assistance, to examine a body orifice or any other body site otherwise not visually accessible. The instrument is provided with a hand-held platform on which a flashlight unit i... | 07/25/1989 |