Patent application number | Description | Published |
20080285070 | ELECTRONIC WRITING INSTRUMENT, COMPUTER SYSTEM, ELECTRONIC WRITING METHOD AND COMPUTER READABLE MEDIUM - The electronic writing instrument is provided with: a writing unit that writes down on a medium where a code indicating identity information and location information of the medium is formed; an emitting unit that emits light to the medium; a photoelectric conversion unit that includes photoelectric conversion element receiving a reflected light from the medium by the light emitted by the emitting unit and outputting an electronic signal after converting the reflected light by photoelectric conversion; a receiving unit that receives a user operation; and a condition changing unit that changes at least any one of an emitting condition of the emitting unit to the medium and an output condition of the photoelectric conversion unit when the receiving unit receives an operation. | 11-20-2008 |
20090003733 | ELECTRONIC WRITING INSTRUMENT, CAP, COMPUTER SYSTEM AND ELECTRONIC WRITING METHOD - An electronic writing instrument is provided with: an electronic writing instrument body portion that captures a code image formed on a medium based on reflected light; and a detachable cap that is attached to the one end side of the electronic writing instrument body portion. The electronic writing instrument body portion has: at one end side thereof, a writing unit that writes down on the medium on which the code image is formed; a light emitting unit that emits light to the medium; and an image capture unit that captures an image from reflected light reflected on the medium by the emitting light. The detachable cap is configured so as to cover the writing unit when attached to the one end side, and to pass emitted light from the light emitting unit and the reflected light from the medium. | 01-01-2009 |
20120133620 | ELECTRONIC WRITING INSTRUMENT, COMPUTER SYSTEM, ELECTRONIC WRITING METHOD AND COMPUTER READABLE MEDIUM - The electronic writing instrument is provided with: a writing unit that writes down on a medium where a code indicating identity information and location information of the medium is formed; an emitting unit that emits light to the medium; a photoelectric conversion unit that includes photoelectric conversion element receiving a reflected light from the medium by the light emitted by the emitting unit and outputting an electronic signal after converting the reflected light by photoelectric conversion; a receiving unit that receives a user operation; and a condition changing unit that changes at least any one of an emitting condition of the emitting unit to the medium and an output condition of the photoelectric conversion unit when the receiving unit receives an operation. | 05-31-2012 |
Patent application number | Description | Published |
20120293704 | Image-Capturing Lens, Image-Capturing Device, and Portable Terminal - Provided is an imaging lens, and also provided are an image pickup apparatus and a portable terminal both equipped with the imaging lens. The imaging lens includes in order: a positive first lens having a convex object-side surface; a negative second lens having a concave image-side surface; a negative meniscus-shaped third lens having a convex object-side surface; a positive fourth lens having a convex image-side surface; and a negative fifth lens having a concave image-side surface. The image-side surface of the fifth lens is aspherical and has an inflection point at a position of the optical axis. The third and the fourth lenses are integrally moved to focus, and the following conditional relation is satisfied: 0.7511-22-2012 | |
20120293874 | Image-Capturing Lens - An image-capturing lens includes, in order from an object side: a meniscus-shaped first lens which has positive power near an optical axis; a second lens which has positive power near the optical axis and has negative power in the periphery of the second lens; and a meniscus-shaped third lens. The image-capturing lens satisfies the following conditional formulas: TL/f<1.10, 2.00<(r | 11-22-2012 |
20130016261 | IMAGING LENS SYSTEM, IMAGING OPTICAL DEVICE, AND DIGITAL APPLIANCEAANM Tanaka; HiroakiAACI Sakai-shiAACO JPAAGP Tanaka; Hiroaki Sakai-shi JPAANM Matsusaka; KeijiAACI Osaka-shiAACO JPAAGP Matsusaka; Keiji Osaka-shi JPAANM Sano; EigoAACI Hino-shiAACO JPAAGP Sano; Eigo Hino-shi JPAANM Nishida; MaikoAACI Sakai-shiAACO JPAAGP Nishida; Maiko Sakai-shi JP - A single-focal-length imaging lens system achieves focusing by, while keeping first and third lens groups stationary relative to the image plane, moving a second lens group along the optical axis. The second lens group includes a positive lens element. The third lens group includes an aspherically shaped lens element having an inflection point at a position other than the intersection with the optical axis. The first and second air lenses formed by the intervals between the first and second and between the second and third lens groups have negative and positive refractive powers respectively. The conditional formula 0≦|Fi | 01-17-2013 |
20130016278 | Imaging Lens, Imaging Optical Device, and Digital EquipmentAANM Matsusaka; KeijiAACI Osaka-shiAACO JPAAGP Matsusaka; Keiji Osaka-shi JPAANM Tanaka; HiroakiAACI Sakai-shiAACO JPAAGP Tanaka; Hiroaki Sakai-shi JPAANM Sano; EigoAACI Hino-shiAACO JPAAGP Sano; Eigo Hino-shi JP - An imaging lens system has, from an object side, at least one positive lens element convex to the object side, a negative lens element, and at least one lens element having an aspherical surface. The positive and negative lens elements are arranged next to each other. The formulae 0.101-17-2013 | |
20130271642 | IMAGE PICKUP LENS, IMAGE PICKUP APPARATUS AND PORTABLE TERMINAL - Image pickup lens comprises: in order from an object side, a first lens having positive refractive power and a convex surface facing toward the object side; a meniscus-shaped second lens having negative refractive power and a convex surface facing toward the object side; a third lens having positive or negative refractive power; a fourth lens having positive refractive power and a convex surface facing toward an image side; and a fifth lens having negative refractive power and a concave surface facing toward the image side. An image-side surface of the fifth lens has an aspherical shape and inflection points at positions other than an intersection point with an optical axis, and the image pickup lens satisfies: 1.510-17-2013 | |
20140139711 | Image Pickup Lens And Image Pickup Device - An image pickup lens | 05-22-2014 |
20140209786 | Image Pickup Lens And Image Pickup Device - The present invention provides a compact and high-performance image pickup lens having a fast F-number and capable of suppressing shading by using a curved projection surface. An image pickup lens | 07-31-2014 |
20140340568 | Image Pick-Up Lens, Image Pick-Up Device, Portable Terminal And Digital Instrument - Provided is an image pickup lens that despite being small is favorably corrected for aberrations and has a five element configuration that is wide angle and has a bright F-number also provided is an image pickup device and a portable terminal using the image pickup lens. The image surface side of the fifth lens has an aspherical shape, has an inflection point at a position other than a position that intersects with the light axis, and satisfies the following formulae: −5.0<(r1+r2)/(r1−r2)≦−1.0 (1); 0.9011-20-2014 | |