Matches 51 - 100 out of 272 < 1 2 3 4 5 6 >
Match Document Document Title
6853504 Camera lens system for image pickup devices  
The present invention relates generally to a camera lens system for image pickup devices, which is mounted in a mobile phone or personal digital assistant, and more particularly to a camera lens...
6853495 Wide-angle lens system  
A wide-angle lens system having a long back focal length, disposed in front of a ⅓″ CCD camera and the focal length (f) for all lens groups is 3.0 mm, the F-number is 3.0 and the half-field...
6853484 Relay optical system  
The relay optical system comprises, in order from the intermediate image position I toward the the exit pupil EXP side, a first unit G 1 having a negative refracting power and a second unit G 2 ...
6836382 Imaging module  
A imaging module has an electronic imager and an objective lens system. The electronic imager has an active area that is typically rectangular is shape. An image is formed on the active area with a...
6836376 Imaging lens system  
An imaging lens system includes, in the named order from the side of an object toward an image surface, a light amount diaphragm, a first lens having a positive power with a main power on the side...
6816322 Cemented lens group  
A cemented lens group including two lens elements, which are cemented to each other by an adhesive; wherein an adhesive layer formed by the adhesive between the two lens elements has elasticity,...
6813101 Imaging lens  
An imaging lens of fixed focal length is formed of, in order from the object side, an aperture diaphragm, a first lens component having positive refractive power and having at least one aspheric...
6813100 Miniature image-capturing lens, image-capturing unit and mobile terminal provided therewith  
A miniature image capturing lens includes an aperture diaphragm; and a lens system consisting of a first lens having a positive refracting power in which a convex surface of the first lens is...
6809890 Method for manufacturing silicon wafer and silicon wafer  
An imaging lens comprising, in sequence from the object side to the image side: an aperture diaphragm, a first lens, a second diaphragm, and a second lens; the first lens consisting of a...
6798586 Corrector optic compensating spherical and coma aberrations generated by a prism  
A corrector optic is provided, for use in a camera system that includes a thick prism in front of the focal plane. The corrector optic includes preferably two lenses to be aligned on the optical...
6765731 Low element count projection lenses for use with pixelized panels  
Projection lenses for use with pixelized panels (PP) are provided. The projection lenses have a negative first unit (U 1 ) separated from a positive second unit (U 2 ) by a reflective surface (RS)...
6747815 Retrofocus wide-angle lens  
A retrofocus wide-angle lens includes a first lens group of negative refractive power, a diaphragm, and a second lens group of positive refractive power. The first lens group includes an...
6747805 Design and fabrication process for a lens system optically coupled to an image-capture device  
Simple, inexpensive and durable multi-element lens systems are provided. These lens systems may be optically coupled to digital image-capturing devices, such as those used in digital cameras. Some...
6724532 Dual-lens hybrid diffractive/refractive imaging system  
The present invention discloses a dual-lens hybrid diffractive/refractive imaging system comprising: a first lens including a concave surface and a convex surface; and the second lens including a...
6721108 Optical lens device assembly  
An optical lens device assembly is provided which is capable of being substantially free from a deviation in an optical axis of an optical lens caused by errors of its manufacturing, thus...
6717749 Cemented lens group  
A cemented lens group includes two lens elements, cementing surfaces of the two lens elements being cemented to each other by an adhesive, wherein the adhesive forms an adhesive layer between the...
6717748 Low-cost, single focus lens  
A low-cost, single focus lens that is formed of only four lens elements in two lens groups, one on each side of a diaphragm, is disclosed. A front negative lens group is formed of a first, positive...
6714363 Optical lens device assembly  
An optical lens device assembly containing an optical lens device and an optical device sealed without causing complication of optical module configurations is provided. In the optical lens device...
6639739 Optic for an endoscope/borescope having high resolution and narrow field of view  
An optic having optimized high spatial resolution, minimal nonlinear magnification distortion while at the same time having a limited chromatic focal shift or chromatic aberrations. The optic...
6628463 Taking lens  
A taking lens comprises a first meniscus lens opposing its convex surface to an object side and a second lens having a positive power. An image side surface of the first lens and an object side...
6621645 Super wide-angle lens and photographing apparatus having the same  
In order to provide a large relative-aperture super wide-angle lens having the inclusive angle of 2 ω=115° or more with the conventional projection method (y=f·tan θ) having the...
6583939 Auxiliary imaging lens and imaging apparatus using the same  
An auxiliary imaging lens is attachable to the main part of zoom lens on the object side; and is configured such that, when capturing an image for a screen having an aspect ratio of 4:3, an...
6577456 Single focus lens  
A single focus lens formed of only two lens groups, both of positive refractive power, with each lens group being formed of only a single lens. The lens of the first lens group has at least one of...
6563654 External pupil lens system  
An external pupil lens system ( 200 ) with an entrance pupil distance at least three times that of the effective focal length. The lens system is comprised of several conventional lenses and a...
6548176 Hydroxide-catalyzed bonding  
A method of bonding substrates by hydroxide-catalyzed hydration/dehydration involves applying a bonding material to at least one surface to be bonded, and placing the at least one surface...
6519098 Objective lens system  
A portable TV telephone has an objective lens system configured to form an image of an object and an antenna configured to transmit and receive at least one of an image signal representing the...
6515809 Fixed focal length lens system  
A lens system has the first and second lens components from the object side. The first lens component has a negative optical power. The second lens component has a positive optical power. The lens...
6473244 Projection lens  
A projection lens including a first lens group, a diaphragm, and a second lens group, which are disposed in that order from a screen to an image source. The first lens group includes an aspherical...
6449105 Image pickup lens system  
An image pickup lens system includes a first lens, a stop, and a second lens arranged in a row from an object side to an image side. The first lens is a meniscus resin lens having negative power...
6449100 Teleconverter lens  
A teleconverter lens is disclosed, for attachment to the enlarging side of a projection lens, wherein aberrations generated by a negative focusing lens group positioned at the enlarging side of the...
6441971 Compact lens with external aperture stop  
A lens assembly particularly suited to use with high resolution digital cameras suitable for incorporation in compact portable electronic devices such as cellular telephones, portable digital...
6404564 Projection lens  
A projection lens having a first lens group of negative refractive power and a second lens group of positive refractive power, in order from the enlarging side of the projection lens. A stop is...
6388822 Optical pickup device and optical recording medium  
An optical pickup device which includes an objective lens having a numerical aperture of 0.7 or more collects light emitted from a light source and irradiates an optical recording medium. The...
6384987 Wide-angle lens system  
A wide-angle lens system includes a negative first lens group, and a positive second lens group with a diaphragm, in this order from the object. The wide-angle lens system satisfies the following...
6377406 Optical arrangement and the use thereof  
The invention relates to an optical arrangement comprising at least two optical elements, such as Fresnel lenses or linear prism sheets arranged with their structured surfaces pointing toward one...
6351336 Attachment lens for short distance shots  
An attachment lens for attachment to the object side of a main camera lens in order to enable the taking of short distance shots is disclosed. The attachment lens consists of three lens elements of...
6339508 Photographic optical system  
A photographic optical system comprising a front lens unit which comprises at least a negative lens element and has negative refractive power as a whole, a rear lens unit which comprises at least...
6330116 Optics using a gradient index lens  
Objective lens optics that can realize NA higher than 1.623 without suffering from increased aberrations and which can be manufactured in a sufficiently smaller size to be suitable for use in an...
6324013 Collimator lens and optical scanning device which uses it  
A collimator lens having only two lens elements, wherein the surface of the collimator lens nearest the collimated light side is concave, and at least one of the two lens elements includes an...
6324010 Optical assembly and a method for manufacturing lens systems  
According to one aspect of the present invention, a method of making a lens assembly with a plurality of lens arrays having a plurality of lenslets and at least one spacer having a plurality of...
6243217 Objective lens system  
A portable TV telephone includes an objective lens system. The objective lens system is configured to form an image of an object. An antenna is configured to transmit and receive at least one of...
6243216 Fast responding optical modulator  
A fast responding optical modulating device for a high-density recording using in an optical pickup includes a light source, an optical modulator and a pair of lenses. The pair of lenses are so...
6212016 Telescopic objective lens system  
A telescopic objective lens system comprises a positive first lens group and a second lens group, in this order from the object. The second lens group comprises a first sub-lens group and a second...
6141159 Viewfinder optical system  
A viewfinder optical system includes an objective optical system for forming an image of an object, and an eye-piece optical system for converting rays of light from the image into substantially...
6104553 Image-forming lens  
An image-forming lens, of the retro-focus type, having only two lens elements is disclosed. By making the object-side of the first lens element, in order from the object side, be a convex surface,...
6097551 Lenses for electronic imaging systems  
A lens system for an electronic system has two lenses. The first lens (S1/S2) has a negative power, and the second lens (S4/S5 or S5/S6) has a positive power and is spaced from the first lens...
6057971 Wide-angle lens system  
The invention provides a compact and simple wide-angle lens system composed of a reduced number of lenses and having high productivity, which is well suited for use on digital cameras, while making...
6055113 Optical pickup and an optical pickup objective lense assembling method  
This invention intends to provide an optical pickup of which it is possible to limit aberrations within a tolerable limit without incorporating a special device for that purpose even if errors...
6031670 Wide-angle lens  
The present invention is directed toward a wide-angle lens. Because of a small quantity (two) of lens elements, the wide-angle lens facilitates size and weight reduction and permits low-cost...
6018425 Wide-angle lens assembly and method  
A low-cost wide-angle lens assembly being comprised of a decreased number of lenses yet capable of properly correcting optical aberrations. The second lens in each lens group from the minimum to...
Matches 51 - 100 out of 272 < 1 2 3 4 5 6 >