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"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 8134786 | Method and system for determining projections in non-central catadioptric optical systems Embodiment of invention discloses a system and a method for determining a three-dimensional (3D) location of a folding point of a ray between a point in a scene (PS) and a center of projection (COP) of a camera of a catadioptric system. One embodiment maps the catad... | 03/13/2012 |
| 8107173 | Catadioptric optical system for scatterometry A catadioptric optical system having a high numerical aperture operates in a wide spectral range. The catadioptric system includes a correcting plate and an optical system. The correcting plate conditions electromagnetic radiation to correct at least one aberration.... | 01/31/2012 |
| RE42570 | Catadioptric objective An aspheric reduction objective has a catadioptric partial objective (L1), an intermediate image (IMI) and a refractive partial objective (L2). The catadioptric partial objective has an assembly centered to the optical axis and this assembly includes t... | 07/26/2011 |
| 7982972 | Image observation apparatus and image observation system The image observation apparatus includes a first image-forming element and a second image-forming element each of which forms an original image, and an optical system configured to introduce light fluxes from the first and second image-forming elements to an exit pu... | 07/19/2011 |
| 7933076 | Optical element driving device and imaging apparatus A lens driving device includes a lens, a moving member that supports the lens, a stationary member that movably supports the moving member, a pitch drive mechanism that drives the moving member in the pitch correction direction, and a yaw drive mechanism that drives... | 04/26/2011 |
| 7898749 | Multiple reflective lenses and lens systems A variety of lenses, lens assemblies, imaging devices, applications for such lenses, assemblies and devices, and related methods of operation and manufacturing are disclosed. At least some embodiments of the invention relate to a lens that includes first and second ... | 03/01/2011 |
| 7898750 | Folded optical system and a lens for use in the optical system An optical system having an optical axis OA and comprising: a light source; a reflector; a lens component situated therebetween; and a receiver. The light source and the receiver are separated, situated substantially symmetrically and decentered with respect to the ... | 03/01/2011 |
| 7869138 | Projection objective and projection exposure apparatus with negative back focus of the entry pupil The disclosure concerns a projection objective, which can include an object plane in which an object field is formed, an entry pupil, a mirrored entry pupil (RE) in a mirrored entry pupil plane obtained by mirroring the entry pupil (VE) at the object plane, an image... | 01/11/2011 |
| 7855843 | Optical finger navigation device with a folded air lens A fingerprint navigation system with a folded air lens structure and a folded air lens. The system includes a light source, a folded air lens structure, a light reflector, and a navigation sensor. The folded air lens structure is aligned to direct light from the lig... | 12/21/2010 |
| 7791822 | Focusing method and image-taking apparatus An optical system has a plurality of optical surfaces and an aperture stop, and has an eccentric reflective surface as at least one of the plurality of optical surfaces. For different conjugate distances, focusing for keeping a position of an entire image surface su... | 09/07/2010 |
| 7782550 | Lens structure, optical transmitter, and method for producing same In one embodiment, a lens structure has an object surface, an image surface, and an axicon mirror. The axicon mirror is defined by an inner diameter, an outer diameter, and a tilt angle, with the tilt angle being defined by a plane of the axicon mirror and the surfa... | 08/24/2010 |
| 7773314 | Laser diode/pre-scan assembly A laser diode/pre-scan assembly associated with a printhead for a laser printer is presented. The laser diode/pre-scan assembly includes a pair of collimation lenses that are de-centered from the axes of a pair of laser beams to direct the pair of beams inwardly in ... | 08/10/2010 |
| 7724450 | Producing distinguishable light in the presence of ambient light A process and apparatus for producing distinguishable light, in the presence of ambient light is disclosed. The process involves admitting light in a first wavelength band through a first light admission port into a first optical cavity at least partially defined by... | 05/25/2010 |
| 7688525 | Hybrid primary optical component for optical concentrators A hybrid optical component that collects and concentrates incident light. The hybrid component includes both refractive and reflective elements. In preferred embodiments, refractive and reflective components focus rays on a common focal plane generally located at th... | 03/30/2010 |
| 7660047 | Flat panel lens A flat panel lens system as a tapered light guide that has minimal or no margin for fan out. The tapered light guide includes a thin end, and a thick end of which is a bevelled mirror or an optical equivalent. Light is injected into the thin end and the mirror is su... | 02/09/2010 |
| 7636204 | 360 degree view imaging system A 360 degree view anamorphic resolution imaging system, which is a photonic device capable of illuminating the interior surface of a cylindrical object and then focusing the reflected light onto the detection surface of a viewing device. The system enables the selec... | 12/22/2009 |
| 7633689 | Catadioptric optical system for scatterometry A catadioptric optical system having a high numerical aperture operates in a wide spectral range. The catadioptric optical system includes a correcting plate, a first reflective surface and a second reflective surface. The correcting plate conditions electromagnetic... | 12/15/2009 |
| 7626770 | Illumination system with zoom objective Illumination systems which are designed to illuminate a field in a field plane and simultaneously illuminate a pupil plane with radiation from a light source are disclosed. ... | 12/01/2009 |
| 7605989 | Compact auto-focus image taking lens system with a micromirror array lens and a lens-surfaced prism A compact auto-focus image taking lens system with a Micromirror Array Lens and a lens-surfaced prism of the present invention comprises a lens-surfaced prism, an aperture stop, a first lens element, a second lens element, a Micromirror Array Lens, and an image surf... | 10/20/2009 |
| 7605988 | Compact image taking lens system with a lens-surfaced prism A compact image taking lens system with a lens-surfaced prism of the present invention comprises a prism, an aperture stop, a first lens element, a second lens element, reflecting mirror surface, and image surface, optionally an infrared cut-off filter. By introduci... | 10/20/2009 |
| 7602559 | Optical lens, light emitting device package using the optical lens, and backlight unit An optical lens, a light emitting device package using the optical lens and a backlight unit are disclosed, whereby light irradiated upward of a light emitting device is refracted from a bottom refraction surface to allow reaching a reflection surface, and an optica... | 10/13/2009 |
| 7573654 | Dual focal length lens system A dual focal length optical system includes a first optical system and a second optical system. The first optical system is positioned along an optical path and includes an optical structure having an object side surface and an image side surface. The first optical ... | 08/11/2009 |
| 7570438 | Optical apparatus with off-axis direction-of-view An optical apparatus having an off-axis direction of view is disclosed. The optical apparatus advantageously has an outer dimension of less than about 2 mm. The optical apparatus can be utilized as a subsystem of an endoscopic device. ... | 08/04/2009 |
| 7554752 | Lighting equipment The lens embraces a bulk-shaped lens body identified by a top surface, a bottom surface and a contour surface, and a well-shaped concavity is implemented in the inside of the lens body, aligned from the bottom surface toward the top surface. The lens body has geomet... | 06/30/2009 |
| 7538956 | Panoramic imaging device A panoramic imaging device comprises: a lens array having a center lens for receiving light entering in a front range of at most 60° in a capture angle and left and right side lenses formed on the same plane as that with the center lens formed thereon and having op... | 05/26/2009 |
| 7525740 | Display optical system and image display apparatus The display optical system includes first to third surfaces each having at least a reflection function, and a fourth surface having a reflection function and disposed outside an inside area surrounded by the first to third surfaces. The light from an original image ... | 04/28/2009 |
| 7508597 | Compact wide-angle imaging lens system A compact wide-angle imaging lens system includes, in order from the object side to the image side, a first lens (1) of negative refractive power, a free-form surface prism (2) of positive refractive power, a second lens (3) of positive refracti... | 03/24/2009 |
| 7502177 | Broad band DUV, VUV long-working distance catadioptric imaging system A high performance objective having very small central obscuration, an external pupil for apertureing and Fourier filtering, loose manufacturing tolerances, large numerical aperture, long working distance, and a large field of view is presented. The objective is pre... | 03/10/2009 |
| 7474475 | Optical lens, optical package having the same, backlight assembly having the same, display device having the same, and method thereof An optical lens includes a recessed part and a refracting part. The recessed part has a substantially circular plan view and a substantially V shaped cross-section. The recessed part forms an angle of no more than an angle of about 20° with respect to a vertical li... | 01/06/2009 |
| 7457051 | Imaging apparatus The present invention provides an imaging apparatus capable of imaging a wide area, controlling parallax to achieve an excellent image quality, and utilizing an imaging element with a relatively large package. The imaging apparatus for imaging a wide area as ... | 11/25/2008 |
| 7447136 | Optical pickup and optical disc apparatus An optical pickup includes a light source for emitting a light beam; an objective lens for condensing the light beam emitted from the light source and irradiating an optical recording medium with the condensed light beam; a collimator lens, disposed between the ligh... | 11/04/2008 |
| 7441897 | Optical imaging apparatus An optical imaging apparatus, in particular an ophthalmoscope or microscope or transillumination microscope, comprising a light source arrangement (20) and an illumination beam path (3) which is predetermined at least by an illumination lens arrangemen... | 10/28/2008 |
| 7443599 | Magnification varying optical system and image taking apparatus A magnification varying optical system that directs light from an object to an image sensor includes in order from the object side: a first lens unit having negative optical power and including an optical axis changing element that changes the optical axis; a second... | 10/28/2008 |
| 7443608 | Uniform diffuse omni-directional reflecting lens A transparent multi-layer lens construction to be worn as a sunglass lens, or a fashion lens, that reflects light in a diffuse manner. The multi-layer lens construction is, in part, a combination of surface form and surface texture combined with a reflective medium ... | 10/28/2008 |
| 7440190 | Device for reshaping a laser beam A device for reshaping a laser beam may include a first optical element to receive the laser beam. The device may also include a second optical element to invert and reshape the laser beam to substantially correspond to a aperture of a beam director. ... | 10/21/2008 |
| 7436599 | Electronic image pickup system The invention relates to an electronic image pickup system whose depth dimension is extremely reduced, taking advantage of an optical system type that can overcome conditions imposed on the movement of a zooming movable lens group while high specifications and perfo... | 10/14/2008 |
| 7433134 | Lens for sideward light emission A lens defines central axis, and includes a light receiving surface, a light reflecting surface, and a light exiting surface. The light reflecting surface is opposite to the light receiving surface along the central axis. The light exiting surface extends between th... | 10/07/2008 |
| 7433131 | Zoom lens and imaging apparatus Provided is a zoom lens allows size reduction in the depth direction and compactness. The zoom lens includes a plurality of lens groups (GR1 to GR5) and performs zooming by changing an inter-group distance. Of the plurality of lens groups (GR1 t... | 10/07/2008 |
| 7420750 | Catadioptric single camera systems having radial epipolar geometry and methods and means thereof Catadioptric single camera systems capable of sampling the lightfield of a scene from a locus of circular viewpoints and the methods thereof are described. The epipolar lines of the system are radial, and the systems have foveated vision characteristics. A first emb... | 09/02/2008 |
| 7417800 | Zoom lens system A zoom lens system includes a negative first lens group, a positive second lens group, a positive third lens group and positive fourth lens group, in this order from the object. The negative first lens group includes a reflection member, and the first lens gr... | 08/26/2008 |
