Patent application number | Description | Published |
20090147126 | IMAGE PICKUP APPARATUS - An image pickup apparatus is provided with an imaging optical system (imaging lens), an image sensor for picking up a subject image formed by the imaging optical system, and a view division optical system (first mirror) which divides a view picked up by the image sensor into an environment imaging side view and an eyeball imaging side view. | 06-11-2009 |
20100091385 | Optical element, optical system and endoscope using the same - A flux of light entering a transparent medium L | 04-15-2010 |
20100110564 | Optical element, optical system having the same and endoscope using the same - An optical element is made of a transparent medium L | 05-06-2010 |
20100157255 | Projection optical system and visual display apparatus using the same - In a projection optical system | 06-24-2010 |
20100238414 | Visual display device - A visual display device includes an image display element | 09-23-2010 |
20110149418 | Fresnel optical element and optical system using the same - A Fresnel optical element has a plurality of slopes that refract or reflect light, and the variation of the slope angle between adjacent slopes is constant. | 06-23-2011 |
20110157559 | Visual display apparatus - The invention provides a visual display apparatus | 06-30-2011 |
20110157709 | Visual display device - In the visual display device of the present invention, the first reflection plane | 06-30-2011 |
20110188126 | VISUAL DISPLAY APPARATUS - The visual display apparatus of the invention has an image display device, a projection optical system for projection of an image displayed on the image display device, an eyepiece optical system of positive reflecting power that uses an image coming from afar as an image projected from the projection optical system, and a cylindrical or conical diffusing surface located near an image projected from the projection optical system. The image projected from the projection optical system is located in such a way as to draw a circular arc at any position in the plane orthogonal to the optical axis of the projection optical system. | 08-04-2011 |
20110285973 | PROJECTION OPTICAL APPARATUS - The projection optical apparatus of the invention comprises a projection optical system | 11-24-2011 |
Patent application number | Description | Published |
20090306477 | Optical System - The invention relates to an optical system that is capable of taking images having a wide angle-of-view in simplified construction, is of small-format size and well corrected for aberrations, and has high resolving power. The optical system is an imaging system that is to image an object plane ( | 12-10-2009 |
20090310230 | Transmitting optical element and optical system using the same - The invention relates to a transmitting optical element that is capable of taking images having a wide angle-of-view in general, and an image coming primarily from a vertical direction to a center axis in particular in simplified construction, is of small-format size and well corrected for aberrations, and an optical system using the same. The optical system is an imaging system that is adapted to form an object ( | 12-17-2009 |
20100007969 | OPTICAL SYSTEM - The invention relates to an optical system which is adapted to form an image having a full 360° (panoramic)-direction angle of view on an image plane or project an image located on an image plane in a full 360° (panoramic)-direction angle of view, and which is of small-format size and high resolving power yet without being affected by flare light. The optical system comprises a front unit ( | 01-14-2010 |
20100014174 | WIDE-ANGLE OPTICAL SYSTEM - The invention provides a superwide-angle imaging or projecting optical system provided that, albeit being a wide-angle optical system having an angle of view exceeding 180°, is of small size and reduced F-number and fast, and has improved f-θ performance. The optical system consists only of transmitting surfaces, and has an angle of view of 180° or more. The optical system comprises a front group (G | 01-21-2010 |
20100091393 | OPTICAL APPARATUS - The invention relates to an optical apparatus allowing images in multiple directions to be simultaneously taken with simple construction using a prism optical system yet with high definitions even at wide angles of view. Specifically, the invention provides an optical apparatus using a prism optical system which has three optical surfaces: a first surface having transmission, a second surface having internal reflection plus transmission and a third surface having reflection and is formed of a medium having a refractive index of 1.3 or greater and in which light enters the medium through the first surface, is totally reflected at the second surface, and then reflected at the third surface | 04-15-2010 |
20100238568 | Optical System - The invention relates to an optical system which is adapted to form an image having a full 360° (panoramic)-direction angle of view on an image plane or project an image located on an image plane in a full 360° (panoramic)-direction angle of view, and which is of small-format size and has reduced light flare and high resolving power. The optical system comprises a front unit ( | 09-23-2010 |
20140177043 | Three-Dimensional-Endoscope Optical System - Provided is a three-dimensional-endoscope optical system that is provided with two objective optical systems having optical axes, which are arranged with a spacing therebetween, and that satisfies the following conditions: | 06-26-2014 |