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| Number | Title | Issue Date |
| 7364543 | Paired angled rotation scanning probes and methods of use Probes, and systems and methods for optically scanning a conical volume in front of a probe, for use with an imaging modality, such as Optical Coherence Tomography (OCT). A probe includes an optical fiber having a proximal end and a distal end and defining an axis, ... | 04/29/2008 |
| 7354179 | Prism set and light emitting apparatus using the same A prism unit includes a first prism having a first incident face and a first refraction face that is adjacent to and that cooperates with the first incident face to define a first angle ranging 50° to 70°, a second prism having a second incident face that is gener... | 04/08/2008 |
| 7319566 | Beam manipulation using sets of wedges Compact beam manipulators employ one or more Risley prism sets with or without a parallel plate translator. One beam manipulator contains a plate mounted to permit pitch and yaw adjustments and a prism set mounted to permit rotations. The rotations of the prisms adj... | 01/15/2008 |
| 7307672 | Display apparatus In a 2D/3D display, a switchable lenticular array having foci which can be switched in a continuous way between first focal strength and a second focal strength is provided. The switchable lenticular array comprises fluid cylindrical lens portions, while the foci ca... | 12/11/2007 |
| 7300168 | System for creating spectral displays A highly adaptable system for creating colorful spectral displays or for achieving a prismatic effect using visible light. The invention includes a fixed-angle or monolithic prismatic element fabricated from plate glass mirror material. A compound version of this mo... | 11/27/2007 |
| 7236299 | Compact periscopic beam director A periscopic beam director is disclosed. The periscopic beam director can be configured with a hemispheric field of regard, in a volume that minimizes external structure or dome size when mounted on a host vehicle (e.g., airplane or UAV). One embodiment combines a R... | 06/26/2007 |
| 7230771 | Zoom lens A zoom lens comprising, from the object side to the image side, a front lens group (72), a controllable lens group, and a rear lens group (74), the controllable lens group comprising a voltage-controlled electrowetting device, which device contains a f... | 06/12/2007 |
| 7142357 | Night-day boresight with adjustable wedge-prism assembly An in-line night-day boresight with an adjustable wedge-prism assembly is disclosed. The adjustable wedge-prism assembly includes two opposing wedge prisms that are axially rotatable relative to each other. The assembly is arranged in the optical path between the ni... | 11/28/2006 |
| 7056119 | Periscopic optical training system for operators of vehicles A periscopic optical training system for displaying simulation and real images includes a microprocessor for generating at least one simulation image, at least one display for displaying the simulation image, at least one periscopic device each with a viewing window... | 06/06/2006 |
| 7008054 | Actuation mechanism for variable focus spectacles An actuating mechanism for spectacles which include two variable focus lens units. The mechanism mounts on the spectacle bridge; and includes two elongated drive levers mounted near opposite ends of the bridge, each extending toward the other end of the bridge. The ... | 03/07/2006 |
| 6961167 | Display device based on frustrated total internal reflection Pixels of a display device include a reservoir containing two immiscible fluids. Switching of a pixel state is based on redistribution of the fluids within the reservoir due to electrostatic forced applied onto electrodes, and a potential applied to one of the fluid... | 11/01/2005 |
| 6927914 | Grism In order to achieve highly dispersive spectrometry in wide wavelength with the use of a single grism, but not a plurality of grisms, the grism is composed of a prism the vertex angle of which can be varied and a volume phase holographic (VPH) grating. More specifica... | 08/09/2005 |
| 6927798 | Light amount adjusting apparatus and optical apparatus having the same A light amount adjusting apparatus is constructed by a driving source, a plurality of light shielding members each having a notched portion adapted to form a light passing port, in which the light shielding member is moved by being driven by the driving source to th... | 08/09/2005 |
| 6917470 | Optical apparatus This invention relates to an optical apparatus for observation which is provided with drive control means for driving a variable angle prism on the basis of an output signal from vibration detecting means and in which the variable angle prism is installed between an... | 07/12/2005 |
| 6891685 | Anisotropic etching of optical components An anisotropically etched prism assembly including a device portion, a light coupling portion, and an alignment portion. The anisotropically etched prism assembly having a plurality of optical devices arranged in a first fixed pattern. Each pair of said plurality of... | 05/10/2005 |
| 6888691 | Apparatus and method for isolating optics from thermal expansion An apparatus that reduces convergence and focus drift in imager prism assemblies includes at least one assembly having a first side and a second side. The first side communicates with a first isolator inner surface and a second side communicates with a second isolat... | 05/03/2005 |
| 6885403 | Color separation beam splitter for projectors A color separation beam splitter for projectors is provided, which comprises a plurality of prisms connected with each other and three optical interference filters having different wavelength ranges respectively formed on side surfaces of the plurality of prisms. Th... | 04/26/2005 |
| 6873479 | Mounting bracket for a clear aperture of the base face of a prism A mounting bracket (40) for suspending a clear aperture of the base face of a prism (30) has a frame providing a horizontal support surface for allowing light to pass through the clear aperture of the suspended prism (30). First, second, and thi... | 03/29/2005 |
| 6873480 | Method and apparatus for packaging optical elements An optical element is disposed between cover glasses, and an optical coupling liquid is injected between the optical element and the cover glasses to form an optical package. An adhesive provides a liquid tight seal between the cover glasses. The optical element is ... | 03/29/2005 |
| 6865037 | System and method for adjusting the optical path length of an optical path Systems and methods for adjusting optical path length of an optical path are provided. The systems and methods can be used to controllably adjust optical path length in an external cavity laser. A representative optical path having a first end and a second end compr... | 03/08/2005 |
| 6850375 | Lighting apparatus and image pickup apparatus The present invention discloses a lighting apparatus including a light source, an optical member that is placed in front of the light source and provided with a reflecting surface for reflecting light from the light source or prism sections each made up of a refract... | 02/01/2005 |
| 6836364 | Beam steering and scanning device A beam steerer/scanner (50) includes a dynamically balanced bi-index rotating element (52). The element is comprised of a pair (52A, 52B) of transparent hemispheres which are of the same size and shape, are made from two materials of equa... | 12/28/2004 |
| 6781740 | Achromatic phase shift device and interferometer using achromatic phase shift device The present invention relates to an achromatic phase shift device (1) for introducing a wavelength independent optical phase shift in a first optical beam (40) during operation, comprising at least one dispersive element (55k) formed ... | 08/24/2004 |
| 6683735 | Rapidly changing dichroic beamsplitter in epifluorescent microscopes An epifluorescent microscope (11) is constructed with a quick changing set of filters (13,20,21). A wheel (13) containing a plurality of dichroic beamsplitter mirrors (6165) mounted equidistance from a center axis (66) of the wheel is mounted at a 45° an... | 01/27/2004 |
| 6678095 | Anamorphic optical system A pair of prisms arranged in a complementary relationship provides for anamorphic magnification and cooperates with a curved refractive element, the later of which generates an aberration that at least partially compensates an aberration generated by the ... | 01/13/2004 |
| 6667834 | Polarization luminaire and projection display A polarization luminaire is disclosed having a light source, a system of the optical integrator, a polarized light splitting device for splitting a light emitted from the light source into two kinds of polarized lights whose polarization directions are pe... | 12/23/2003 |
| 6493159 | Optical element and its manufacturing process An optical device has a base body with a surface, a first optically effective, multilayer system in the base body, terminating at an intersection, and a second optically effective, multilayer system. The second system has a layer along the base body surfa... | 12/10/2002 |
| 6469846 | Grism In order to provide a grism wherein even if the vertex angle of a prism increases, it does not exceed its critical angle, besides, which can elevate its efficiency, and mass-production of which is possible, whereby reduction in cost of which can be realiz... | 10/22/2002 |
| 6424474 | Optical rear view system A low profile rearview mirror for a motor vehicle having a first refractor with a first refractive index and a first chromatic dispersive poser. The first refractor is disposed in a housing on the exterior of the vehicle A reflector mounted partially with... | 07/23/2002 |
| 6388827 | Image display apparatus having three-dimensionally decentered optical path An image display apparatus having a three-dimensionally decentered optical path to attain a reduction in overall size of the apparatus and to place constituent members effectively in a dead space, thereby permitting the apparatus to be designed in a varie... | 05/14/2002 |
| 6320699 | Aberration correcting apparatus and optical apparatus using the same An aberration correcting apparatus and an optical pickup apparatus using this apparatus, in which a spherical aberration based on a thickness error of an optical disc substrate can be preferably eliminated and a thickness error permission range of the opt... | 11/20/2001 |
| 6243191 | Optical path length modulator A dynamic optical path length modulator for optical interferometry, holography and tomography is disclosed. The optical path length in a beam path is changed in that the light beam in question is guided through a double mirror arrangement which is formed ... | 06/05/2001 |
| 6230453 | Variable view window The variable view window enables a user to change the views possible through a window from a given perspective point. One embodiment includes two variable prisms, temperature regulating element, insulating layer, mounting structures, actuator, and softwar... | 05/15/2001 |
| 6053610 | Actuation mechanism for variable focal length spectacles An actuating mechanism for spectacles which include two variable focal length lens units. Each lens unit is fitted with a coupling member which extends from the lens unit into the bridge of the spectacles. A linearly-movable finger-operated slider, having... | 04/25/2000 |
| 6046867 | Compact, light-weight optical imaging system and method of making same A compact optical imaging system that transmits light received from an object located at an image plane to an exit pupil to form an image comprises a first prism, a second prism, a converging reflective element, and a converging transmissive element. The ... | 04/04/2000 |
| 5956183 | Field-customizable variable focal length lens A liquid-filled variable focus lens unit, particularly useful in eyeglasses, comprised of a generic variable focus capsule to which a fixed-focus rigid lens is attached. The capsule has a preestablished optical power at its distance setting, which may be ... | 09/21/1999 |
| 5900984 | Air gap prism and method for producing same An assembly method of an air gap prism which has an air gap between a first glass member and a second glass member, the assembly method having steps of setting a first glass member on a positioning member, setting a sheet member on the positioning member ... | 05/04/1999 |
| 5862001 | Non-deviating prism with continuously variable dispersion A non-deviating prism system (40) and method provides continuously variable dispersion of light with limited deviation. Light is dispersed in a prism arrangement which includes a selected liquid filled in the spaces between adjacent prism elements (41, 51... | 01/19/1999 |
| 5844719 | Light deflection apparatus A light deflection apparatus includes an optical device for deflecting light, and a spherical guide for guiding the light deflected by the optical device.... | 12/01/1998 |
| 5796531 | Light beam deflection unit In a light beam deflection unit such as a variable apical-angle prism, a holding member for holding a movable optical member, e.g., glass plates, is made of a high-stiffness material (for example, polycarbonate), and the holding member is connected with a... | 08/18/1998 |
