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"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 7324290 | Variable focus optic module and optic system A variable focus optic module is provided with a housing, a lens assembly, and a protrusion and recess system. The lens assembly is movably disposed in operable relationship with the housing. The protrusion and recess system includes at least one protrusion disposed... | 01/29/2008 |
| 7295383 | Imaging lens It is to provide an imaging lens that maintains optical performance and achieves reduction in size and weight. The imaging lens comprises, in order from an object side towards an image surface side, a first lens which is a meniscus lens having a positive power whose... | 11/13/2007 |
| 7289705 | Cable having signal conductors surrounding optically transmissive core remote imaging system An optical imaging system with a flexible cable having a first end and a second end. The cable has a central core element including a flexible optical conduit, with a number of wires surrounding the core element to form a tube concentric with an axis defined by the ... | 10/30/2007 |
| 7280284 | Zoom lens A zoom lens comprises, in order from an object side to an image side, a lens group having negative refracting power, and a lens group having positive refracting power. Zooming is carried out with a change in a space between at least said two lens groups. The lens gr... | 10/09/2007 |
| 7274513 | Off-axis projection optics and extreme ultraviolet lithography apparatus employing the same Off-axis projection optics that includes first and second mirrors positioned off-axis and sharing a confocal point that are arranged to reduce linear astigmatism. If a distance between an object plane and the first mirror is l1, an incident angle of light... | 09/25/2007 |
| 7267438 | Fundus photography apparatus A fundus photography apparatus is provided that enables optimal adjustment of exposure values according to the color characteristics of the anterior ocular segment of the subject eye. The fundus photography apparatus comprises means for photographing the anterior oc... | 09/11/2007 |
| 7265911 | Zoom lens system having variable power element A multiple group variable focal length lens is provided. The lens has a first lens group including a variable power lens element and is positioned in a stationary manner along an optical axis. The lens also has a second lens group moveably positioned along the optic... | 09/04/2007 |
| 7265916 | Module for optical devices, and manufacturing method of module for optical devices A DSP, which has a through electrode and is stacked to a wiring substrate through an adhesive part, a solid-state image pickup element, which is stacked to the DSP through an adhesive part and has a through electrode and an effective pixel area, and a translucent li... | 09/04/2007 |
| 7261416 | Eye's optical characteristics measuring system An eye's optical characteristics measuring system, comprising a target projecting means for projecting a target image on a fundus of an eye under test, a photodetecting means for guiding the target image toward a photoelectric detector, a pupil diameter measuring me... | 08/28/2007 |
| 7262897 | Method of forming inorganic alignment film, inorganic alignment film, substrate for electronic device, liquid crystal panel and electronic apparatus A method of forming an inorganic alignment film on a base substrate is provided comprising forming a film made substantially of an inorganic material on the base substrate, and irradiating ion beams onto the surface of the film from a direction inclined at a predete... | 08/28/2007 |
| 7258441 | Eye activity monitoring apparatus and system The present eye activity monitoring system includes a monitoring apparatus for acquiring the eye image of a user in a closed eye state and an image-processing apparatus for generating an alarm signal based on the eye image. The monitoring apparatus includes an eye m... | 08/21/2007 |
| 7258456 | Light filtering apparatus A light filtering apparatus includes a first dispersion device, a spatial filter and a second dispersion device. The first dispersion device is arranged to cause spatial dispersion of an incident light beam as a function of its frequency. The spatial filter is arran... | 08/21/2007 |
| 7255442 | Device for measuring aberrations in an eye-type system Device for measuring aberrations in an eye includes, an illumination path with an illumination diaphragm and a test path, imaging member and elements for positioning the eye in relation to the imaging member, a stray reflection filter element, which is centered on t... | 08/14/2007 |
| 7251081 | Zoom lens system Providing a zoom lens system having a high zoom ratio, a small diameter of the first lens group, capable of being effectively retracted upon retracting the lens barrel. The system includes, in order from an object, a first lens group having positive refractive power... | 07/31/2007 |
| 7248419 | Electronic imaging device An electronic imaging device is provided which includes a first lens group which takes in a luminous flux from a subject along a first optical axis, an optical axis conversion member which bends the luminous flux along a second optical axis which intersects with the... | 07/24/2007 |
| 7242534 | Lens unit and a camera incorporating the same lens unit A lens unit in which at least one of a subject side lens group and an image side lens group is moved toward an image side to be retracted along an optical axial direction, including a subject side lens group supporting frame to support the subject side lens group, a... | 07/10/2007 |
| 7242528 | Electrowetting module An electrowetting module (20) comprises a fluid chamber (8) which contains a first fluid (A) and a second fluid (B), which are separated by an interface (14) , and means (16, 17) to exert a force on at least one of the fluids to change th... | 07/10/2007 |
| 7241012 | Ophthalmologic apparatus There is provided an ophthalmologic apparatus which can be effectively used for the clinic of a dry eye by using, as a basic principle, that when a tear film dries up, a corneal shape is changed and/or a wavefront aberration becomes large. When a measurement is star... | 07/10/2007 |
| 7242533 | Two-unit zoom lens system, and exchangeable lens and electronic image taking apparatus using the zoom lens system A two-unit zoom lens system which comprises a negative first lens unit G1 and a positive second lens unit G2, during change of magnification from a wide-angle end to a telephoto end, the first lens unit and the second lens unit are moved so as to reduc... | 07/10/2007 |
| 7239462 | Objective with at least one optical element An objective (2) with at least one optical element (4), which is mounted in an inner ring (3). The inner ring (3) is connected to an outer mount (1). A manipulator (10) is provided for displacing the optical element (4 | 07/03/2007 |
| 7236312 | Collapsible lens barrel and imaging device A lens barrel has a base, a second lens holder frame holding a second lens group, a first lens holder frame holding a first lens group, a cam ring, and a fixed ring. The second lens holder frame has three guides projecting axially from an outer circumferential porti... | 06/26/2007 |
| 7233426 | Optical transistor An optical transistor is disclosed. The optical transistor consists of a high speed photodetector region incident to a light intensity modulating region which separates a drain and source region. The disclosed optical transistor is able to exhibit high speed perform... | 06/19/2007 |
| 7233448 | Zoom optical system, and electronics incorporating the same The invention relates to a zoom optical system that can offer an effective tradeoff between size reductions and cost reductions and electronic equipment incorporating it. The zoom optical system comprises, in order from its object side, a first lens group G1 ... | 06/19/2007 |
| 7233446 | Transformable, applicable material and methods for using same for optical effects Optical elements and methods of forming optical elements are described. In one example, a method applies a photosensitive ink to a substrate and exposes the ink to create an optical element, such as an optical lens or holographic recording medium. ... | 06/19/2007 |
| 7233447 | Zoom lens and projection display device which uses same A zoom lens for a projection display device includes, in order from the long conjugate length side, a first lens group having negative refractive power and including at least one aspheric surface, a second lens group having positive refractive power and including at... | 06/19/2007 |
| 7230772 | Wide-angle zoom lens system A wide-angle zoom lens system includes a negative first lens group, a positive second lens group, a negative third lens group and a positive fourth lens group, in this order from the object. Upon zooming from the short focal length extremity to the long focal length... | 06/12/2007 |
| 7227694 | Large aperture wide-angle lens and camera including large aperture wide-angle lens A large aperture wide-angle lens includes first and second lens groups separated by a stop. The first lens group includes more than one lens element and the second lens group includes, in order from the object side, a first lens component having at least one aspheri... | 06/05/2007 |
| 7227695 | Zoom lens system A zoom lens system includes a negative first lens group, a diaphragm, a positive second lens group, and a positive third lens group, in this order from the object. Zooming is performed by moving the negative first lens group and the positive first lens group in the ... | 06/05/2007 |
| 7222962 | Opthalmic measuring apparatus An optical characteristic of an eye is obtained which can not be measured through a uniform adjustment because of a large difference in the distribution of a refractive index, or the like. An arithmetic part first selects an interlock mode, and performs an alignment... | 05/29/2007 |
| 7219999 | Device for measuring optical characteristic of eye The position of an object surface is detected with an error reduced on a reflectance boundary surface. A first light source (100) emits the luminous flux of the first wavelength. A first illumination optical system (200A) illuminates a small area on a ... | 05/22/2007 |
| 7221495 | Thin film precursor stack for MEMS manufacturing This invention provides a precursor film stack for use in the production of MEMS devices. The precursor film stack comprises a carrier substrate, a first layer formed on the carrier substrate, a second layer of an insulator material formed on the first layer, and a ... | 05/22/2007 |
| 7219996 | Fundus camera A fundus camera capable of performing accurate and easy focusing in photographing a peripheral portion of a fundus has a photographing optical system including a photographing optical axis, a focusing lens movable in a direction of the photographing optical axis and... | 05/22/2007 |
| 7215490 | Method for making a lens barrel A method for making a lens barrel includes the steps of: (a) forming a fusible mold core having at least one flange; (b) applying an insulating layer on the fusible mold core; (c) disposing the fusible mold core in a lens-barrel-forming mold; (d) feeding a molding m... | 05/08/2007 |
| 7215488 | Optical apparatus An optical apparatus is disclosed which can suppress an increase in size thereof even if its lens is driven in a large movable range. The apparatus comprises a first linear actuator which includes a first member to which an electrical signal is input and a second me... | 05/08/2007 |
| 7215489 | Optical apparatus An optical apparatus is disclosed which can well maintain a surface contact state between a vibrator and a contact member of a vibration type linear actuator to perform a stable lens drive. The optical apparatus comprises a vibration type linear actuator driving a l... | 05/08/2007 |
| 7212351 | Zoom optical system and image taking apparatus using the same An image taking optical system which comprises, in order from an object side, a first lens unit having a negative refractive power, a second lens unit having a positive refractive power, and a third lens unit having a negative refractive power, wherein the se... | 05/01/2007 |
| 7209296 | Zoom lens, and electronic imaging system incorporating the same The invention relates to a zoom lens wherein the total of lens components is reduced as much as possible and image-formation capability is enhanced far more stably over the entire zoom range, so that a lot more thickness reductions are achievable upon received at a ... | 04/24/2007 |
| 7209298 | Zoom lens and imaging pickup A zoom lens having a first lens group having a negative refractive power, a second lens group having a positive refractive power, and a third lens group having a positive refractive power arranged in the order from an object side, wherein the first lens group includ... | 04/24/2007 |
| 7209291 | Optical displacement sensor The present invention relates to a compact and inexpensive optical displacement sensor that does not require accurate control of the distance to the object. A repetitive optical structure is utilized for formation of a repetitive optical signal emitted by an illumin... | 04/24/2007 |
| 7206136 | Digital camera using multiple lenses and image sensors to provide an extended zoom range A digital camera includes a first image sensor, a first wide angle lens for forming a first image of a scene on the first image sensor; a second image sensor, a zoom lens for forming a second image of the same scene on the second image sensor, a control element for ... | 04/17/2007 |
