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Patent Searching and Data


Matches 651 - 700 out of 4,065

Document Document Title
JP4013913B2  
JP2007293284A
To provide an imaging lens unit with a dual-lens configuration which has a short optical length, approximates an angle of incident of ray on an imaging surface to a vertical angle, and corrects aberration to be small enough for the integ...  
JP2007531918A
One mode of the present invention is equipped with the aperture-diaphragm assembly used within an electromagnetic radiation line system, and this, Including the aperture diaphragm partially made from a penetrable material at least to the...  
JP4001471B2
An image pickup lens system includes a lens 1 of a meniscus shape having a first face as a convex face, and a diaphragm 2 disposed on an object side of the lens 1. The lens 1 meets the following conditions: Y'/fl equal to or larger than ...  
JP3996685B2  
JP3983855B2  
JP2007233423A
To thin a photographic lens applied to a mobile camera or the like. The photographic lens is constituted of an aperture diaphragm 1 having a predetermined aperture; a first lens 2 turning its convex surfaces to an object side and an imag...  
JP2007219134A
To provide a wide-viewing-angle inexpensive image reading lens having simple constitution of four spherical lenses without using expensive glass, satisfactorily correcting aberrations and achieving a reader made small in size and light i...  
JP3959284B2
To provide an optical semiconductor device in which high accuracy focusing can be attained with high constringence while suppressing variation of luminance. The optical semiconductor device comprises a light emitting element, a base for ...  
JP3952092B2
To form an image reduced so that lateral magnification and longitudinal magnification may be different and to obtain a photograph where magnification is varied according to the necessity of a user by specifying the constitution of a lens...  
JP3950571B2
To obtain an inner focus type photographing optical system where the fluctuation of aberration in the case of focusing is excellently compensated and which has excellent optical performance all over the object distance. This photographin...  
JP2007156277A
To provide an imaging lens, an optical module, and a mobile terminal which reduce costs while shortening an overall length of an optical system and are superior in mass productivity and allow a good image quality to be obtained.The imagi...  
JP2007155868A
To provide an imaging lens and an imaging apparatus which have satisfactory optical performance corresponding an imaging device with a high number of pixels and have optical characteristics less varied by temperature changes in the area ...  
JP3932578B2
To provide an objective lens capable of obtaining sufficiently high numerical aperture(NA), sufficiently correcting color aberration, making light in weight and facilitating manufacture by using low dispersion glass material whose Abbe n...  
JP3934197B2
To excellently correct a chromatic aberration, and read a color document with high definition by arranging positive first lens and second lens, negative third lens and fourth lens and positive fifth lens and sixth lens in this order from...  
JP3934195B2
To provide the photographic lens for an electronic still camera which is compact and has a wide field angle and excellently compensates distortion by arranging a negative lens which is concave to the image place side, a positive meniscus...  
JP2007148138A
To provide an image pickup lens of short overall length in which various aberrations are well corrected, and capable of achieving design with loose tolerance sensitivity on the basis of a manufacturing step, and to provide an optical mod...  
JP3925748B2
To attain the cost reduction and high performance of a telephoto lens while making the telephoto lens small in size by dividing the whole lens system into two front and rear groups, having a telephoto lens constitution in which the front...  
JP3925747B2
To properly maintain a back focus without using an spherical lens, while realizing compact type, by inseating a negative lens having a prescribed refracting power at the pre-stage of a front joint lens, applying a gauss type lens constit...  
JPWO2005047951A1
本発明は、物体側から順に、正レンズ、負レ ンズ、正レンズ、及び少なくとも1面が非球 面形状であるレンズから構成され、所定の条 件を満たすように設計することで、小型...  
JP3921160B2
To provide a small and light-weight projection lens in which brightness is obtained at a wide viewing angle so that a projection viewing angle is about 75° and an f-number is about 2.4, lateral chromatic aberration and distortion aberra...  
JP2007127953A
To provide a high-definition imaging optical system capable of completely correcting chromatic aberration while achieving complete miniaturization by a small number of lenses.The imaging optical system 10 includes: a first lens 11 having...  
JP2007510955A
An optical system is provided. In order from an object side to an image side, the optical system includes a first lens element having a positive power, a meniscus shape, and an object side surface. The object side surface of the first le...  
JP2007101920A
To provide an imaging optical system having a wide viewing angle, also, with less change in terms of an imaging position under a wide temperature environment.The imaging optical system includes, in order from a side of an object to be im...  
JP2007094405A
To provide an ultra-slim projection type image display device with a low chin height.There is provided a projection type image display device including: a cabinet; a screen disposed on a front side of the cabinet; a projection optical sy...  
JP2007086485A
To obtain an imaging lens having a short total length even though having a three-lens construction and capable of obtaining satisfactory optical performance.In the imaging lens wherein a first lens L1 having positive refraction force, an...  
JP2007058153A
To provide an imaging lens of short overall length in which various aberrations are well corrected and incident angle to the image plane is controlled, and to provide an optical module and portable terminal.The imaging lens 100 comprises...  
JP2005221597A5  
JP2007047193A
To provide an imaging lens for improving manufacturability by sufficiently responding to requirement for further improvement of miniaturization and lightweight and optical performance.In the imaging lens, a diaphragm 2, a first lens 3 be...  
JP3880147B2
To obtain a single focus lens small in size, reduced in the number of lenses, low in cost and excellent in performance while securing sufficient back focus by using a diffraction optical element. This single focus lens is constituted of ...  
JP3881955B2
To provide a two-piece type diffraction and refraction combination type image forming system. This system is constituted of a first lens and a second lens and the first lens is provided with a concave face and a convex face and the conca...  
JP2007501794A
The invention relates to novel photoinitiators and their use in light adjustable compositions. The initiatives comprise two or more multiphoton chromophores linked by a bridging compound. The bridging compound consists of a material that...  
JP3869895B2
To excellently compensate the various kinds of eccentric aberration and to realize very large displacement compensation (blur compensation) with very small eccentric driving amount by moving a second group on an optical axis so that focu...  
JP2006349920A
To obtain a photographing optical system which is compact and achieves the wide angle of view and a large diameter, and which obtains high performance regardless of a subject distance.The photographing optical system is constituted by su...  
JP3856258B2
To allow reading angle to be wider and to improve the quality of the read picture at a low cost by using a four lens constitution and satisfying special conditions. A first lens L1 is a positive meniscus lens having a convex face on an o...  
JP2006323288A
To provide a compact and inexpensive reading lens which is constituted of a small number of lenses but is relatively bright, such as F/NO is about 5.0, is substantially 100% in numerical aperture up to the peripheral part, satisfactorily...  
JP2006309043A
To provide a small imaging lens with high performance suitable for a high-density imaging device.The imaging lens has an arrangement of, from an object side to an image plane side, a first lens 1 having negative refractive power and havi...  
JP2006292988A
To provide an inexpensive and compact wide-angle lens having satisfactory optical characteristics and a wide view angle as an imaging lens system for a solid imaging element with a four-lens configuration.The wide angle lens comprises, i...  
JP2006292991A
To obtain an optical apparatus in which an imaging lens, capable of downsizing a lens system as a whole while having the brightness of about F number 2.8, and having an excellent portability and imaging performance adaptable to a large n...  
JP3833754B2
To obtain a signal lens for which a DOE(diffraction type optical element) is used and which features high specifications and high image quality by using a specific positive lens. The diffraction type optical element consisting of the pos...  
JP3834016B2
To provide an optical system for stereophotography, which can efficiently photographs a stereo image whose width is greater than its length and angle of field is large in the direction thereof, and to provide a stereo camera using the op...  
JP3835398B2
To provide an imaging lens for a solid-state imaging device whose optical performance is excellent, whose performance degradation is restrained to be little with respect to temperature change and which is inexpensive and compact by appro...  
JP2006522627A
The invention is directed to an optical system for a fundus camera in which lens pairs are tilted relative to the imaging beam path to prevent flare. This tilting is carried out in two planes and these planes are preferably oriented perp...  
JP3823436B2
To provide a projection optical system constituted so that partial chromatic aberration and the other monochromatic aberration can be compatibly corrected by including a first lens group having positive power, a second lens group having ...  
JP3821929B2
To effectively compensate axial chromatic aberration in a low magnification lens and to attain high performance in a wide wavelength area by specifying a distance between lenses, the radius of curvature of a concave surface and balance b...  
JPWO2006090614A
On both sides of 1st and 2nd optical element element 13 and 14 that consisted of a mutually different refractive index and was stuck via relief pattern 20 between 3rd and 4th optical element element 11 and 12, diffractive optics 10 carri...  
JP3809270B2
To provide a telecentric objective lens in which a field angle can be widened, and full lens length can be shortened by adopting a retro-focus type. This objective lens is provided with a first group 103 consisting of a meniscus-shaped n...  
JP3810058B2
To provide a simply constituted single focal point lens suitable as a compact, small-sized photographic lens for an imaging element which has high performance in spite of having a three-lens-element constitution of a positive lens, a sto...  
JP2006201574A
To provide an imaging lens in which aberrations are compensated satisfactorily, the optical path length is short, and full back focus is ensured.The imaging lens comprises an aperture diaphragm S1, a first lens L1, a second lens L2, and ...  
JP3800420B2
To provide a macrolens which is made compact by adopting a retrofocus type and enables photography over a wide range from nonmagnification to infinity by employing a floating mechanism. The macrolens has, in order from the object side, a...  

Matches 651 - 700 out of 4,065