| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 359733000 | Multiple component lenses | 21 |
| 20090153985 | LENS BARREL, IMAGE PICKUP DEVICE, AND LENS BARREL MANUFACTURING METHOD - A lens barrel includes a fourth lens, a prism, and a sixth lens. The fourth lens receives a light flux incident along a first optical axis. The prism includes a reflecting surface reflecting the light flux passing through the fourth lens to a direction along a second optical axis intersecting with the first optical axis. The sixth lens receives the light flux reflected by the prism. A second group frame includes an opening portion, a prism retaining frame that is arranged in a more inner position than the opening portion and in which the prism is contained, and a plurality of adhesive pockets arranged on an area around the prism retaining frame and being open to the side of the opening portion. Adhesive agent is filled in the adhesive pockets. | 06-18-2009 |
| 20090310231 | OPTICAL SYSTEM - An optical system having a novel imaging method of forming an image of a subject of projection in space the same as if the image were being reflected from a mirror where a mirror does not actually exist is provided, the optical system being provided with a light beam redirecting surface that functions to transmit light while refracting the light and form a real image at a plane-symmetric position, and a mirror surface arranged facing the light beam redirecting surface; in which, by transmitting light emitted from the subject of projection through the light beam redirecting surface, reflecting the transmitted light at the mirror surface, and again transmitting the reflected light through the light beam redirecting surface, an image of a subject of projection arranged at a position on an observation side opposite the mirror surface arranged on the other side across the light beam redirecting surface is formed at a position that is plane-symmetric to the mirror surface with respect to the light beam redirecting surface to which a virtual mirror that does not exist as a substantial body has been moved. | 12-17-2009 |
| 20110286113 | LENS BARREL, IMAGE PICKUP DEVICE, AND LENS BARREL MANUFACTURING METHOD - A lens barrel includes a fourth lens, a prism, and a sixth lens. The fourth lens receives a light flux incident along a first optical axis. The prism includes a reflecting surface reflecting the light flux passing through the fourth lens to a direction along a second optical axis intersecting with the first optical axis. The sixth lens receives the light flux reflected by the prism. A second group frame includes an opening portion, a prism retaining frame that is arranged in a more inner position than the opening portion and in which the prism is contained, and a plurality of adhesive pockets arranged on an area around the prism retaining frame and being open to the side of the opening portion. Adhesive agent is filled in the adhesive pockets. | 11-24-2011 |
| 20110286114 | LENS BARREL, IMAGE PICKUP DEVICE, AND LENS BARREL MANUFACTURING METHOD - A lens barrel includes a fourth lens, a prism, and a sixth lens. The fourth lens receives a light flux incident along a first optical axis. The prism includes a reflecting surface reflecting the light flux passing through the fourth lens to a direction along a second optical axis intersecting with the first optical axis. The sixth lens receives the light flux reflected by the prism. A second group frame includes an opening portion, a prism retaining frame that is arranged in a more inner position than the opening portion and in which the prism is contained, and a plurality of adhesive pockets arranged on an area around the prism retaining frame and being open to the side of the opening portion. Adhesive agent is filled in the adhesive pockets. | 11-24-2011 |
| 20110286115 | LENS BARREL, IMAGE PICKUP DEVICE, AND LENS BARREL MANUFACTURING METHOD - A lens barrel includes a fourth lens, a prism, and a sixth lens. The fourth lens receives a light flux incident along a first optical axis. The prism includes a reflecting surface reflecting the light flux passing through the fourth lens to a direction along a second optical axis intersecting with the first optical axis. The sixth lens receives the light flux reflected by the prism. A second group frame includes an opening portion, a prism retaining frame that is arranged in a more inner position than the opening portion and in which the prism is contained, and a plurality of adhesive pockets arranged on an area around the prism retaining frame and being open to the side of the opening portion. Adhesive agent is filled in the adhesive pockets. | 11-24-2011 |
| 20140177077 | OPTICAL SYSTEM AND SUBSTRATE SEALING METHOD - An optical system includes an enlarging optical system that enlarges a section of an incident light, a mask that passes some of a light passing through the enlarging optical system, and a reduction optical system that reduces a section of a light passing through the mask. | 06-26-2014 |
| 20150103417 | IMAGING OPTICAL SYSTEM HAVING BENDING OPTICAL ELEMENT - An imaging optical system includes a bending optical element which bends an object-emanating light bundle, a post-bending lens system on a post-bending optical axis defined by the bending optical element, and an image sensor. An effective optical surface of a large-diameter lens element, having a greatest axial light bundle effective radius, is formed into a non-circular shape by making a length of the effective optical surface from the post-bending optical axis toward a side opposite from the object side smaller than the axial light bundle effective radius, with reference to the axial light bundle effective radius lying on a plane which extends orthogonal to a plane including both the post-bending optical axis and a pre-bending optical axis of the imaging optical system and includes the post-bending optical axis. | 04-16-2015 |
| 20150124337 | RELAY LENS SYSTEM FOR A HIGH DYNAMIC RANGE PROJECTOR - A relay lens system for a high dynamic range projector is provided. The relay lens system comprising: a light input; a light output; one or more lenses configured to relay light from the light input to the light output; and, an aperture stop configured to provide a given numerical aperture to the light being relayed through the one or more lenses, the combination of the given numerical aperture and the one or more lenses are configured to introduce a spherical aberration in the light between the light input and the light output, the spherical aberration changing a shape of a pixel in the light from an approximate square shape at the light input to a function having an upper boundary and a lower boundary based on a distance from a centre of the pixel, and a pixel dimension of a dither pattern in the light entering the light input. | 05-07-2015 |
| 20150338617 | OPTICAL FOCUSING SYSTEM - An optical focusing system, including: a lens group, a first reflective optical element, a second reflective optical element, and an optical sensing imaging surface. The first reflective optical element is disposed on an object end and the second reflective optical element is disposed at an image end, for reflecting light rays. The optical sensing imaging surface is disposed at the emergent surface of the second reflective optical element. | 11-26-2015 |
| 20220137363 | OPTICAL IMAGING DEVICE - An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, and a fifth lens, disposed in order from an object side, and a first reflection member and a second reflection member, disposed on an object side of the first lens, each having a freeform surface. | 05-05-2022 |
| 359734000 | Four components | 1 |
| 20090141370 | PROJECTION OPTICAL SYSTEM AND IMAGE DISPLAY APPARATUS - A disclosed projection optical system for projecting and forming an enlarged image of an image displayed in a planar manner as an object includes: a lens system including, from an object side, at least a lens group providing telecentricity to an object space side, a lens group controlling divergence of angles of view, a diaphragm, a lens group converging the angles of view, and a lens group converging and subsequently enlarging the angles of view; and a catoptric system disposed on an image side relative to the lens system and including a mirror having negative power. Each lens group of the lens system and the mirror having negative power share an optical axis and the optical axis is shifted relative to a center of an object surface. | 06-04-2009 |
| 359735000 | Three components | 2 |
| 20090116125 | LENS SYSTEM - The present invention concerns a lens system. More specifically, it concerns a lens system comprising a first lens ( | 05-07-2009 |
| 20100259839 | FIXED-FOCUS LENS - A fixed-focus lens includes a first, a second, and a third lens groups arranged in sequence from the enlarged side to the reduced side and having positive refractive powers. The first lens group includes a first, a second, and a third lenses from the enlarged side to the reduced side. The second lens group includes a fourth, a fifth, and a sixth lenses from the enlarged side to the reduced side. The third lens group includes a seventh lens. The lens of the first lens group closest to the enlarged side in the fixed-focus lens has a concave surface. The distance between the lens surface of the second lens group closest to the reduced side and the lens surface of the third lens group closest to the enlarged side is L | 10-14-2010 |
| 359736000 | Two components | 8 |
| 20080247062 | OBSERVATION OPTICAL SYSTEM - An observation optical system has a negative lens unit including a cemented lens, arranged at the most object-side position; an annular reflecting mirror placed on the image side of the negative lens unit, with a reflecting surface facing the image side; and an imaging lens unit arranged on the image side of the negative lens unit and the annular reflecting mirror. | 10-09-2008 |
| 20080291552 | Projection lens unit having reflection mirror in projection lens system and method of and equipment for fixing reflection mirror | 11-27-2008 |
| 20100014171 | LENS BARREL AND IMAGE PICKUP APPARATUS - An image pickup apparatus enabling construction of a small bending optical system with high magnification. A first lens group is movably disposed toward an object on a first optical axis. A second lens group is movably disposed radially inward of the first lens group. The second lens group comprises a drive frame drivingly controlled along the first optical axis and a lens holding frame for holding the second lens group. A prism is disposed on the first optical axis, for bending light incident on the prism to thereby guide the light along a second optical axis. The prism is retracted along the second optical axis in a non-shooting state. In the non-shooting state, the second lens group is retracted and accommodated in a space defined by the drive frame and the lens holding frame and a space occupied by the prism in a shooting state. | 01-21-2010 |
| 20100053772 | Lens assembly and manufacturing method of the same - There is provided a lens assembly including: a first lens part including a first lens surface as an object-side surface, a second lens surface as an image-side surface, and a peripheral part defining a periphery of the second lens surface; a second lens part disposed at an image side of the first lens part and including at least one lens; a spacer spacing the first lens part and the second lens part from each other; and a light adjustor disposed between the second lens surface and the peripheral part, the light adjustor totally reflecting or refracting light incident at a predetermined angle of view or more. | 03-04-2010 |
| 20100091385 | Optical element, optical system and endoscope using the same - A flux of light entering a transparent medium L | 04-15-2010 |
| 20110075273 | Optical system - In an optical system for observing a front object and an approximately lateral object, a front group having a reflective refractive optical element and negative refractive power, an aperture stop, and a rear group having a moving lens group and positive refractive power are arranged in order from the front-object side, where the moving lens group moves in the direction along the optical axis, the reflective refractive optical element includes a first surface which has a first transmitting surface and a first reflective surface and is formed on the front-object side, where the first transmitting surface is formed with the center of the first transmitting surface on the optical axis and the first reflective surface is formed in the shape of a ring and around the first transmitting surface and faces toward the image side, a second surface which has a second transmitting surface and a second reflective surface and is formed on the image side, where the second transmitting surface is formed with the center of the second transmitting surface on the optical axis and the second reflective surface is formed in the shape of a ring and around the second transmitting surface and faces toward the front-object side, and a third surface which is formed as a transmitting surface between the first and second surfaces, and the optical system makes focus on an object while an area in the observation area in which the image of the front object is formed hardly changes, by moving the moving lens group to the extent that the refractive powers of the front and rear groups hardly change relatively. | 03-31-2011 |
| 20110181965 | Optical system - An optical system includes, in order from a front-direction-object side, a first group with a negative refracting power having a reflecting/refracting optical element, an aperture stop, and a rear group with a positive refracting power. The reflecting/refracting optical element is constructed of a first lens and, on the image side thereof, a second lens cemented together; has a first face that is formed on the front-direction-object side of the first lens and that has a first transmitting surface and, around thereof, a first reflecting surface annularly formed and directed toward the image side, a second face that is formed at the cemented surface between the first lens and the second lens and that has a second transmitting surface and, around thereof, a second reflecting surface annularly formed and directed toward the front-direction-object side, a third face formed as a transmitting surface on the image side of the second lens, and a fourth face formed as a transmitting surface on a circumferential face of the first lens; and satisfies the following conditions: | 07-28-2011 |
| 20150309283 | AUXILIARY CAMERA LENS - A lens assembly having a housing, an interior cavity, a first lens, and a second lens. The housing includes a reflective surface substantially covering at least a portion of an inner surface of the housing. The interior cavity is substantially surrounded by the inner surface of the tubular housing. The first lens extends across the first end of the housing, and it is configured to receive light from a scene outside of the lens assembly and refract the light into the interior cavity of the lens assembly. The second lens extends across the second end of the tubular housing, and it is configured to receive light from the interior cavity of the lens assembly and refract the light to a region outside of the lens assembly. Related methods are also disclosed. | 10-29-2015 |
