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"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
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| Number | Title | Issue Date |
| 8054555 | Sighting device Providing a sighting device having a simple structure, being easy to manufacture and free from parallax. A sighting device comprises, in order from a target object side, a positive meniscus lens having a convex surface facing the target object and a negative meniscu... | 11/08/2011 |
| 8014074 | Finder optical system and image pickup apparatus using the same A finder optical system includes an image taking lens configured to form a photogenic subject image, an erecting image forming member configured to convert the photogenic subject image an erecting image, and an ocular lens configured to enable observation the erecti... | 09/06/2011 |
| 7969658 | Eyepiece optical system and electronic view finder incorporating the same The invention relates to an eyepiece optical system that, albeit being of small size, works in favor of gaining an angle of field and optical performance, and an electronic view finder incorporating such an eyepiece optical system. Specifically, the invention is cha... | 06/28/2011 |
| 7924507 | Eyepiece lens and optical instrument comprising same A diopter-adjustable eyepiece lens EL, comprising first through third lenses L1 through L3, satisfies the condition −0.9 | 04/12/2011 |
| 7903343 | Zoom eyepiece lens system A zoom eyepiece lens system EL includes, in order from an eyepoint EP side: a first lens group G1 having positive refractive power; a second lens group G2 having positive refractive power; and a third lens group G3 having negative refractive pow... | 03/08/2011 |
| 7855837 | Viewing optical system and imaging apparatus incorporating the same The invention provides a viewing optical system comprising: a screen on which an object image by a taking lens is formed, an image erection optical system for erecting the object image formed on the screen, and | 12/21/2010 |
| 7605983 | Viewing optical system, and imaging apparatus comprising the same The invention relates to a viewing optical system for viewing an object image formed on a focusing screen, and an imaging apparatus comprising the same. An image erection optical system comprises a prism having an internal reflective surface. An eyepiece optical sys... | 10/20/2009 |
| 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 |
| 7369319 | Optical system for telescope An optical system (1) of telescope includes an objective lens (10) for collecting incident light and transmitting the incident light along a light path, and an imaging lens group (20) disposed on the light path that makes the optical system focu... | 05/06/2008 |
| 7333098 | Active matrix display apparatus and method for improved uniformity An active matrix display apparatus is disclosed which can achieve significant improvement in uniformity. The display apparatus uses a horizontal driving circuit to which a precharge function is provided additionally. The horizontal driving circuit applies double sam... | 02/19/2008 |
| 7277091 | Driving circuit for electro-optical panel, electro-optical device having the driving circuit, and electronic apparatus having the electro-optical device A driving circuit of an electro-optical panel includes a shift register circuit to sequentially output transmission signals, a sampling circuit to sample an image signal by using a sequentially-output n-th (n is a natural number greater than or equal to 2) transmiss... | 10/02/2007 |
| 7277078 | Display device A display device, which is capable of performing gamma correction of a video signal voltage applied to respective pixels, includes a drive circuit which supplies a video signal voltage to a plurality of video signal lines. The drive circuit includes a storage circui... | 10/02/2007 |
| 7196697 | Display device, drive circuit thereof, driving method therefor, and electronic equipment The present invention provides a drive circuit of a display device that reduces power consumption while restraining the occurrence of cross talk at the same time. The drive circuit can include a plurality of scanning lines that are bundled into a block, and the pola... | 03/27/2007 |
| 7180675 | Viewfinder and image pickup apparatus A viewfinder of a small size and a small thickness is implemented to achieve a miniaturization and reduction in thickness of an image pickup apparatus. The viewfinder includes an eyepiece system for expanding an image displayed on an image display element so as to b... | 02/20/2007 |
| 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 |
| 7176869 | Drive circuit for use in liquid crystal display, liquid crystal display incorporating the same, and electronics incorporating the liquid crystal display A drive circuit for use in a liquid crystal display supplies source signals from a source driver to pixel electrodes through switching by means of TFTs according to scan signals from a gate driver, includes a reference voltage generator circuit for adjusting potenti... | 02/13/2007 |
| 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 |
| 7154462 | Method and apparatus for driving liquid crystal display Driving a liquid crystal display device to eliminate a residual image upon realization of a moving picture. A first signal is applied to liquid crystal pixel cells for charging thereof during a beginning of a frame. A second signal is applied to the liquid crystal p... | 12/26/2006 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 6962447 | Camera provided with eyepiece A camera includes a screen on which an image of an object is projected, a plurality of reflection surfaces for erecting the image on the screen, and an eyepiece system with positive refracting power for observing the image. In this case, the eyepiece system includes... | 11/08/2005 |
| 6958863 | 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 ... | 10/25/2005 |
| 6924784 | Method and system of driving data lines and liquid crystal display device using the same A data line driving method for a liquid crystal display device that does not require a separate pre-charge circuit and is capable of reducing pre-charge time operates by charging data lines to a desired level in response to a control signal for sampling the data lin... | 08/02/2005 |
| 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 |
| 6912082 | Integrated driver electronics for MEMS device using high voltage thin film transistors An apparatus integrating electrostatically actuated MEMS devices and high voltage driver (actuator) electronics on a single substrate, where the driver electronics utilize offset-gate high voltage thin-film transistors (HVTFTs) that facilitate the transmission of hi... | 06/28/2005 |
| 6847494 | Optical magnifier suitable for use with a microdisplay device An optical magnifier is provided. One general form of one example embodiment includes two lens elements, at least two aspheric surfaces, and at least one diffractive surface. Another general form of another example embodiment includes three lens elements, and at lea... | 01/25/2005 |
| 6809875 | Eyepiece optical system An eyepiece optical system is interposed between the positions of an intermediate image and a pupil in a finder and includes, in order from the intermediate-image side, a first lens unit having a negative lens located at the most intermediate-image-side position and... | 10/26/2004 |
| 6775072 | Single-focus lens A compact, inexpensive single-focus lens in a three-element configuration comprises, successively from an object side, a first lens with a low power having at least one aspheric surface, a second lens with a positive refracting power having a convex form on an image... | 08/10/2004 |
| 6692163 | Single-lens reflex camera provided with eyepiece A single-lens reflex camera provided with an eyepiece includes a screen on which an image of an object is projected, a plurality of reflecting surfaces for erecting the image projected on the screen, and an eyepiece with positive refracting power for obse... | 02/17/2004 |
| 6667836 | High performance viewfinder eyepiece with a large diopter focus range A viewfinder eyepiece for a camera having a video signal tap, particularly a professional high definition video camera, for viewing the display screen of a display device, such as a CRT, in the viewfinder. The eyepiece includes a negative powered lens on ... | 12/23/2003 |
| 6639738 | Imaging lens In an imaging lens made of three lens sheets, the second and third lenses from the object side are shaped substantially similar to each other, thereby reducing the manufacturing cost while improving resolution. The first lens L1 is a biconcave ... | 10/28/2003 |
| 6618205 | Endoscope objective optical system An endoscope objective optical system includes a negative first lens group, a positive second lens group, and an imaging device, in this order from the object. Zooming is performed by moving the positive second lens group in the optical axis direction, an... | 09/09/2003 |
| 6606203 | Ocular zoom lens An ocular zoom lens is formed of three lens groups, of positive, positive, and negative refractive power, in order from the eye-point side. The second and third lens groups are moved along the optical axis in opposite directions during zooming, and the se... | 08/12/2003 |
| 6552861 | Optical guide fixture The present invention provides an optical guide fixture for coupling visual information on a surface to a viewer. The optical guide fixture of the invention can be coupled to an optical receiver, such as a digital camera, operably connected to a head-moun... | 04/22/2003 |
| 6490102 | Hybrid lens system A lens system is particularly designed for use in an image reading device, essentially including three lenses elements, wherein two or three of them are plastic lenses.... | 12/03/2002 |
| 6424468 | Eyepiece lens In order to provide an eyepiece lens which has a sufficiently long eye relief and a high magnification, there is provided an eyepiece lens for observing an image formed by an objective lens through an erect system, at least comprising a first lens group 4... | 07/23/2002 |
| 6384984 | Eyepiece variable focal length optics The improved eyepiece variable focal length optics comprises, in order from objective optics with which it is used in combination, a negative first lens group, a positive second lens group and a positive third lens group, the first and second lens groups ... | 05/07/2002 |
