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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 7804651 | Flat field eyepiece A lens system includes a first lens axially aligned with a second lens, where the first and second lenses are configured to be sequentially positioned from a pupil image of a viewer. The second lens is formed as a triplet having three cemented elements. The second l... | 09/28/2010 |
| 7738179 | Image display device using P-polarized light and S-polarized light An image display device projects lights emitted from each of two two-dimensionally light emitting type photoelectric devices onto first and second light diffusing bodies, and projects and images transmitted images of the light diffusing bodies onto the retina in the... | 06/15/2010 |
| 7605982 | Image pickup system The invention relates to an image pickup system comprising an electronic view finder suitable for achieving compactness and having a sufficient viewing angle of field and satisfactory optical performance. The image pickup system comprises an image pickup device, an ... | 10/20/2009 |
| 7599121 | Image pickup system The invention relates to an image pickup system comprising an electronic view finder suitable for achieving compactness and having a sufficient viewing angle of field and satisfactory optical performance. The image pickup system comprises an image pickup device, an ... | 10/06/2009 |
| 7586686 | Eyepiece for head mounted display system and method of fabrication A monolithic optical element for an eyepiece in a head mounted display system has a body, in which a first surface of the body receives light from a display device, the light passes through a second surface of the body to an eye of a user, and a reflective folding s... | 09/08/2009 |
| 7391968 | Finder optical system for a single-lens reflex camera An eyepiece includes, in order from the object side, a first lens with positive power, a second lens with positive power, and a third lens with negative power. The first lens is a positive meniscus lens with a convex surface facing the object side, and the eyepiece ... | 06/24/2008 |
| 7386229 | Camera LCD screen hood and viewing device In an exemplary embodiment, an LCD screen hood is provided for use with digital cameras. The hood includes a hood tube that defines a light blocking sidewall having an open camera end and an opposite viewing end and enclosing a longitudinally extending viewpath ther... | 06/10/2008 |
| 7352518 | Objective optical system and optical pickup apparatus An objective optical system according to the present invention is provided for use in an optical pickup apparatus for recording or reproducing information on an information recording surface of a first optical information recording medium using a first light flux em... | 04/01/2008 |
| 7330312 | Image blur compensation device An image blur compensation device for use with an image capture device including an imaging optical system and an imaging unit which converts a subject image captured on a light receiving surface thereof through the imaging optical system into an image signal. The c... | 02/12/2008 |
| 7327115 | Stepping motor control apparatus, stepping motor control method, and stepping motor control program product There are included a control circuit to control sequence of excitation of a stepping motor, a switching circuit to switch electric power to be supplied to the stepping motor based on an instruction from the control circuit, and a stop circuit to stop an operation of... | 02/05/2008 |
| 7318646 | System for projecting a virtual image within an observer's field of view A system for projecting a virtual image within an observer's field of view comprises a support element, a transparent element mounted on the support element and suitable for being placed in front of the observer's eyes, the transparent element comprising a first fac... | 01/15/2008 |
| 7301713 | Object lens unit and optical pickup device employing the unit An object lens unit for an optical pickup comprising: a first optical element positioned facing an optical information recording medium; a second optical element positioned on a light source side of the first optical element; and a frame which has a first reference ... | 11/27/2007 |
| 7262919 | Head-up display device with curved optical surface having total reflection A display device for displaying information is provided with an optical system for guiding the light of the display device to the eye, the optical system having, in the order in the proceeding direction of the light, an entrance face for receiving the light, a curve... | 08/28/2007 |
| 7230583 | Scanned beam display with focal length adjustment In a scanning display apparatus an image signal source produces an image signal. A light emitter is coupled to the image signal source and responsive to the image signal to emit light. A lensing system receives light from the light emitter and passes exiting light. ... | 06/12/2007 |
| 7227701 | Zoom lens and optical apparatus having the same A zoom lens, comprising, in order from an object side to an image side: (a) a first lens unit of negative optical power; (b) a second lens unit of positive optical power; and (c) a third lens unit of positive optical power, wherein a separation between the first len... | 06/05/2007 |
| 7199922 | Reflective projection lens for EUV-photolithography A projection lens for imaging a pattern arranged in an object plane onto an image plane using electromagnetic radiation from the extreme-ultraviolet (EUV) spectral region has several imaging mirrors between its object plane and image plane that define an optical axi... | 04/03/2007 |
| 7187399 | Exposure head with spatial light modulator In an exposure head of the invention, plural first micro-focusing elements are arranged in a first microlens array so as to correspond to plural micromirrors in a DMD. An aperture array that includes plural apertures arranged so as to respectively correspond to the ... | 03/06/2007 |
| 7187630 | Focusing servo device and focusing servo method A focal detecting means (35) of a controller (25) controls an actuator driver (38) to actuate an actuator (12) to vibrate an objective lens (3) in a direction along an optical axis. An output of a focus error signal from a signal g... | 03/06/2007 |
| 7184125 | Exposure device A light beam emitted from a light source passes through a spatial light modulation device, at which a plurality of unit elements for respectively modulating incident light beam are two-dimensionally arrayed, and a microlens array, at which a plurality of microlenses... | 02/27/2007 |
| 7179848 | Method for coloring a transparent article made of polycarbonate and resulting article The invention concerns a method which consists in irradiating at least one face of the article with UV radiation, causing the article to be photodegraded over a thickness of at least 1 μm, and in contacting the irradiated face of the article with a colouring agent ... | 02/20/2007 |
| 7177087 | Compound asperic ocular for riflescope An ocular or eyepiece lens assembly for a riflescope or spotting scope or other types of telescopic optical systems which may include a three element lens assembly comprised of materials of three different refractive indices, at least one of the lens elements compos... | 02/13/2007 |
| 7154683 | Five-element optical device An optical device with five air-spaced optical elements. An optical device in the form of an eyepiece is disclosed with a center negative lens and two outer positive lenses on each side of the intermediate negative lens. The eyepiece transmits light from an object t... | 12/26/2006 |
| 7142374 | Optical system for laser riflescope An optical system for a laser riflescope includes, an objective lens group (1), an eyepiece lens element (3) defining an optical axis with the objective lens group, and an erector lens group (2) positioned between the objective lens group and th... | 11/28/2006 |
| 7133210 | Eyepiece lens An eyepiece lens includes first lens group G1 having a negative refracting power including a negative meniscus lens with a concave surface facing eyepoint E.P side, second lens group G2 having a positive refracting power including a lens with both conv... | 11/07/2006 |
| 7113347 | Zoom lens and optical apparatus having the same A zoom lens, including, in order from an object side to an image side (a) a first lens unit of negative optical power, (b) a second lens unit of positive optical power, and (c) a third lens unit of positive optical power, wherein a separation between the first lens ... | 09/26/2006 |
| 7102827 | Eyepiece lens The object of the present invention is to provide an eyepiece lens having a large pupil diameter of 10 mm or more, securing higher magnification, equipped with a high quality diopter adjustment function at low cost. The eyepiece lens includes, in order from an eye p... | 09/05/2006 |
| 7068447 | Imaging lens The pickup lens (1) employing the present invention includes a first lens group (11) having negative power, a diaphragm (12), a second lens group (13) having positive power, and a third lens group (14) having negative power, which ... | 06/27/2006 |
| 7061684 | Finder optical system and camera provided with the same An observation optical system of the present invention comprises an image erect optical system and an eyepiece optical system for observing an object image. The eyepiece optical system comprises a positive single lens having double convex surfaces and a negative men... | 06/13/2006 |
| 7019909 | Optical system, image display apparatus, and image taking apparatus A small optical system that is capable of widening an angle of view is provided. This optical system is provided with a first surface having a reflecting action and a second surface that reflects a light beam reflected on this first surface toward the first surface ... | 03/28/2006 |
| 7016114 | Diffraction optical device and optical system including same A diffraction optical device includes a first diffraction element and a second diffraction element arranged adjacent to each other. One of the first diffraction element and the second diffraction element has a positive power, and the other has a negative power. The ... | 03/21/2006 |
| 7012756 | Display optical system, image display apparatus, image taking optical system, and image taking apparatus A display optical system for guiding light from an image to an observer or a surface projecting an image thereon with a first optical system and second optical system. The first optical system having a first surface formed on a transparent body with a reflecting act... | 03/14/2006 |
| 7009775 | Eyepiece optical system, and display device using the eyepiece optical system The invention relates to a display system wherein a Fresnel lens that forms an eyepiece optical system is curved to correct for decentration aberration, whereby a display screen can be wholly observed even in a decentered state. In the display system, an object imag... | 03/07/2006 |
| 6980365 | Diffractive lens optical design An optical system for use in a head-mounted display is provided which includes a microdisplay (4) and a magnifier (10) for producing a magnified image of the microdisplay for viewing by a human eye. The magnifier (10) includes a diffractive surf... | 12/27/2005 |
| 6973266 | Finder optical system A finder optical system includes an eyepiece optical system with a positive refracting power. The eyepiece optical system includes an optical unit with a positive refracting power and a lens unit with a positive refracting power, In the eyepiece optical system, a re... | 12/06/2005 |
| 6961162 | Observation optical system using volume hologram An observation optical system comprises an image display element 5 and an eyepiece optical system which introduces an image formed by the image display element 5 to a center of an eye of an observer without forming an intermediate image, so as to allow... | 11/01/2005 |
| 6941069 | Light-projecting device A light-projecting device comprises an ocular optical system facing an emergent opening of a hollow pentagonal mirror. A superimpose-plate is provided in an incident opening of the hollow pentagonal mirror so that a subject image obtained through a photographing opt... | 09/06/2005 |
| 6927901 | Reflective projection lens for EUV-photolithography A projection lens for imaging a pattern arranged in an object plane onto an image plane using electromagnetic radiation from the extreme-ultraviolet (EUV) spectral region has several imaging mirrors between its object plane and image plane that define an optical axi... | 08/09/2005 |
| 6922285 | Optical system for photographing stereoscopic image, and stereoscopic image photographing apparatus having the optical system A stereoscopic image photographing optical system includes a pair of front optical components of negative refractive power, a combining optical element for superposing respective optical axes of the pair of front optical components on each other, a rear optical comp... | 07/26/2005 |
| 6873471 | Eyepiece for viewing a flat image An eyepiece (2) for viewing a flat image, which eyepiece (2) has a wide field of view and which eyepiece (2) comprises a cemented doublet of reflecting and refracting optical components, the reflecting and refracting optical components being suc... | 03/29/2005 |
| 6870669 | Variable-powered binoculars A pair of variable-powered binoculars include a pair of objective lens systems; a pair of prism systems, each of the prism system inverting an image that advances through the corresponding objective lens systems, from an inverted image to an erecting image; a pair o... | 03/22/2005 |
