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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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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 ( 52 A, 52 B) of transparent hemispheres which are of the same...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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,...
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...
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...
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...
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...
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...
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.
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,...
5781339 Optical device for deflecting light  
The prevent invention relates to an optical device capable of varying the angle formed by a pair of optical elements. The optical device comprises a pair of support members having portions for...
5715086 Image-shake correcting device  
The present invention relates to an improvement in an image-shake correcting device which has a light deflecting unit having two opposed surface portions and a bag-like structure filled with a...
5701210 Achromatic optical system for beam transformation and optical disk apparatus using the same  
An achromatic optical system for beam transformation is used for example with the optical head of an optical disk apparatus. This optical system is arranged in an optical path which is traversed by...
5610771 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...
5589239 Variable-angle optical device with optically transparent substance  
In an optical element, an optically transparent substance is sandwiched between transparent paired plate-shaped elements by utilizing a connection member capable of deforming, and the angle formed...
5541776 Fluid type optical device  
An optical device comprises two optical elements, a deformable connecting member for joining the two optical elements to constitute a hermetic space, and a transparent substance enclosed in the...
5448351 Echelle polychromator  
An Echelle polychromator 50 has disposed upstream thereof a pre-monochromator 14 comprising a prism 20. The linear dispersion of the pre-monochromator 14 is variable by varying the angular...
5375013 Optical low pass filter  
An optical low pass filter including a phase grating for obtaining useful picture image characteristics by provision of preferable low pass effects for each of wave form zones about the spatial...
5315435 Image stabilizing optical system  
This specification discloses an image stabilizing photo-taking lens system having a lens system in which a plurality of lens units are disposed and at least one lens spacing is changed to change...
5311367 Optical device including a transparent material between two relatively adjustable transparent members  
An optical device for stabilizing an image of an objective lens against an unexpected vibration is disclosed. A pair of transparent parallel-plane plates are supported by a support member, an...
5166831 Light beam deflecting apparatus including a fluid  
A light beam deflecting apparatus is provided for diverting a light beam from an initial path. The apparatus includes first and second substantially transparent plates. The light beam passes...
5140462 Optical system having image deflecting function  
An optical device includes, from front to rear, a first lens unit arranged to produce an over-corrected lateral chromatic aberration and/or distortion, a variable vertical angle prism unit, and a...
5138494 Variable focal length lens  
A variable focal length lens, for use in spectacles, which includes one or two rigid lenses to provide the wearer's distance correction, and a liquid filled lens bounded by a distensible stretched...
5071226 Airborne optoelectronic system for identification and localization with compensated and facetted port  
Disclosed is an airborne optoelectronic system using a facetted port. There is provision for compensation means in the form of two prisms with variable index, each formed by a lateral facet and a...
4953956 Liquid prism device  
An optical device including a fluid filled prism that has flexible side wall portions to provide a variable lens system in conjunction with the prism. The device has translucent side walls formed...
4913528 Optical prism, and projection television set using same  
A prism system is disclosed which employs at least one solid or liquid filled prism element optically coupled to at least one plate like member which forms a total reflection surface or a dichroic...
4781445 Optical device having positionally changeable optical surfaces and a method of varying an image forming position  
An optical device having an elastic body sandwiched between typically two optical surfaces, which are capable of changing relative positions through deformation of the elastic body. The two optical...
4681402 Rainbow projector  
A method and means for projecting a secondary rainbow of natural configuration comprising an arcuate prism of greater than about 180° of arc and optionally an arcuate prism orienting means. The...
4666299 Inclination measuring apparatus having a prism with associated liquid container  
An inclination measuring apparatus having a prism and a container having a liquid sealed therein for providing a liquid surface perpendicular to the direction of gravity. A member constructed from...
4614405 Wide angle laser window  
A wide angle laser window for directing a coherent radiation beam through the skin of an aircraft to or from a distant point located at a varying azimuthal position with respect thereto is...
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