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WO/2005/088377A2 |
A lens assembly is constructed to accommodate certain, often competing, design characteristics. The lens assembly provides high optical performance in a compact and easy to manufacture system. The lens assembly allows a manufacturer to p...
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WO/2005/067281A1 |
The invention relates to an optical unit (1) which especially comprises a sensor device and contains a housing (5) surrounding said device, a radiation-sensitive sensor surface (11) for detecting electromagnetic radiation from a frequenc...
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WO/2005/057266A1 |
The aim of the invention is to create a lens for images having great focal depth, which can be used in electronic cameras, allows for great focal depth while using a minimum number of refractive surfaces, and can be produced at low cost....
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WO/2005/047951A1 |
An imaging lens comprising, sequentially from an object side, a positive lens, a negative lens, a positive lens and a lens having at least one plane in an aspherical shape, whereby, by being designed to fulfill specified conditions, the ...
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WO/2005/045500A1 |
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...
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WO/2005/043896A1 |
A projection optical system and a projection television employing the same are provided. The projection optical system includes a lens module and an electron beam tube optical module. The lens module includes a plastic power lens and a h...
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WO/2005/015268A2 |
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...
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WO/2005/015266A2 |
The present invention provides an electro-optical system and method for presenting the observer a unified picture comprising two or more image sensors (2,3). The sensor have different apertures and obtain images having different spatial ...
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WO/2005/006321A1 |
An optical pickup lens device comprises a collimate means held for movement along the direction of the optical axis of optical flux emitted from a light source and adapted to convert the optical flux into parallel rays or predetermined c...
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WO/2005/006285A2 |
In one embodiment, the methods and apparatuses display a first content on a flat display surface within a spherical display; simultaneously display a second content on a spherical display surface within the spherical display; and scroll ...
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WO/2005/001543A1 |
A small, high-resolution projection optical system which ensures a sufficiently large image-side numerical aperture and a sufficiently large effective imaging area with various aberrations favorably corrected, and which comprises a posit...
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WO/2004/107009A1 |
A small imaging lens having aberration correction and image-side telecentric characters, comprising, sequentially from an object side, a first lens group (G1), a second lens group (G2), a third lens group (G3) and a fourth lens group (G4...
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WO/2004/088386A1 |
The image of a sample (2) is observed by using a solid immersion lens (SIL) (1) formed of a material having a refractive index nL so as to have a spherical lens plane (10) having a radius of curvature RL. During the sample observation, g...
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WO/2004/075174A2 |
A variable astigmatic focal beam spot is formed using lasers with an anamorphic beam delivery system. The variable astigmatic focal beam spot can be used for cutting applications, for example, to scribe semiconductor wafers such as light...
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WO/2004/074901A1 |
A lens system which compensates for various aberrations, including chromatic aberration, with an enlarged field-of-view. The lens system includes a positive element and a negative element, each positioned in an optical path of incident l...
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WO/2004/063787A1 |
Projection lenses for use with pixelized panels (PP) are provided. The projection lenses have a negative first unit (U1) separated from a positive second unit (U2) by a reflective surface (RS) which folds the lens' optical axis. The lens...
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WO/2004/053559A2 |
This invention relates to a microscope having an infinity-corrected objective and providing a flat field of view. The present invention is an optical arrangement that broadly comprises a first lens element having positive power and compr...
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WO/2004/051223A2 |
The present embodiments provide methods, apparatus and assemblies for use in a producing a desired output beam that meets a desired intensity prescription. An apparatus can include an input surface (155), and an optically active output s...
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WO/2004/044638A1 |
In a zoom lens (30) comprising, from the object side to the image side, a front lens group (12) and a controllable lens group (24), the controllable lens group comprises two lens elements (25, 26) having different dispersions and being m...
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WO/2004/040335A2 |
This disclosure describes the design and construction of high-precision off-axis optical imaging systems. The disclosure also describes the design and construction of high-precision mounting structures for rigidly holding optical element...
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WO/2004/038478A1 |
An imaging lens (100) comprising, arranged sequentially from the object side, a positive-meniscus first lens (1) with its convex plane facing the object side, a negative-power-meniscus second lens (2), and a positive-power third lens (3)...
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WO/2004/034122A2 |
The invention concerns an optical device (12) comprising a front surface located on the side of the sample to be observed and a rear surface oriented towards the means for acquiring (18, 19) an image or a user. It further comprises a com...
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WO/2004/029676A1 |
A glass plano-convex lens (2a, 2c) in which one refractive surface is a flat face (21) and the other refractive surface is a convex face (22) is provided with an IR blocking dielectric multilayer film (3) for blocking infrared rays on on...
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WO2004019077A9 |
An optical system includes multiple cubic crystalline optical elements and one or more uniaxial birefringent elements in which the crystal lattices of the cubic crystalline optical elements are oriented with respect to each other to redu...
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WO/2004/010196A1 |
A lens device comprising, arranged sequentially from a subject side, a meniscus first lens (1) convexed toward the subject side, a second lens (2) facing the concave of the first lens (1), a negative third lens (3) having a concave facin...
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WO/2004/010195A1 |
A meniscus imaging lens (1) comprises a first concave plane (1a) positioned on a subject side, wherein Bf (back focus distance) is larger than f1 (focal distance of the entire lens system), nd (refractive index) is larger than 1.45, R1/f...
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WO/2003/104744A1 |
The invention relates to the study of the internal structure of objects with the aid of optical means. The inventive optical system for a device for delivering low coherent optical radiation is embodied in the form of at least two lens c...
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WO/2003/009040A1 |
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 lens systems of the present invention in...
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WO/2002/086875A1 |
An optical scanning device for scanning an information layer (104) of an optical record carrier (102) includes a radiation source (110) for generating a radiation beam (108) and a high-NA objective system (118) for converging the radiati...
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WO/2002/069014A1 |
An optical pickup-use object lens (15) having a numerical aperture of at least 0.8, for correcting light, within a wavelength range of several nm based on up to 420 nm, for chromatic aberration at an image point on the optical axis. The ...
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WO/2002/067038A1 |
The invention relates to a high aperture objective, consisting of a first lens (L1) with positive refractive power (f1) and a second lens (L2) with negative refractive power (f2), wherein the focal depth ratio between both lenses lies in...
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WO/2002/050595A2 |
The invention relates to a projection lens that is composed of nine lenses with bilateral air-glass surfaces. The aim of the invention is to provide a lens or a series of lenses that guarantee the most effective light distribution across...
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WO/2002/044791A1 |
A lens assembly is disclosed which is suitable for producing focused and defocused images of a sample for creating phase images or for Z-stacker applications in which different planes within a sample are to be imaged. The assembly includ...
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WO/2002/033700A2 |
An objective lens for recording and/or reproducing an optical information recording medium, comprises a first lens having a positive refractive power; and a second lens having a positive refractive power; wherein the first lens and the s...
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WO/2002/027377A1 |
An imaging unit having an imaging lens capable of reducing the size and thickness of the entire lens, comprising a diaphragm (11), a convex lens (22) as the imaging lens, and a flat plate (13) equivalent to the face plate of a CCD (14) d...
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WO/2002/008685A2 |
Range estimates are made using a passive technique. Light is focussed and then split into multiple beams. These beams are projected onto multiple image sensors (10a-g), each of which is located at a different optical path from the focuss...
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WO/2001/031563A1 |
An objective lens system (2), particularly for a fingerprint reader apparatus, said lens system (2) comprising a first lens (8) formed as a condensing lens guiding light beams arriving from an object generally telecentrically, an apertur...
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WO/2001/006295A1 |
A luminous flux, from one conjugate surface (A), having an opening angle of at least 10° sequentially passes through a first optical system (30) having a luminous flux convergent action in the vicinity of its reference axis and a second...
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WO/2000/037982A2 |
In a lens system for focusing a divergent beam (7) in a small spot (18) and comprising a collimator lens (9) and an objective lens (10), the collimator lens is composed of a positive plastics lens element (31) and a negative glass lens e...
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WO/1999/067662A1 |
Six-component projection lens systems (13) for use in CRT projection televisions (10) are provided. From the screen side, the systems preferably have a +-+++- configuration. To provide an improved overall modulation transfer function acr...
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WO/1999/063379A1 |
Objective lenses employing three lens units (U1, U2, U3) having a negative (or weak positive), positive, negative configuration are disclosed. The lenses have a total field coverage of at least 50 degrees with a relative aperture of less...
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WO1999018467A9 |
A project zoom les system is used in imaging and non-imaging modes for entertainment and architectural illumination, providing 8:1 zoom ratio in an imaging mode and 20:1 zoom ratio in a non-imaging mode. When coupled with a variable aper...
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WO/1999/018466A1 |
The spherical aberration of an optical beam is determined by focusing the beam, and dividing its cross section in at least two concentric zones (50, 51). The sub-beams passing through the zones are focused each on a focus-detection syste...
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WO/1999/012067A1 |
The focal length of an objective lens system is substantially equal at two wavelengths: one within the visible spectrum and one within an eyesafe IR spectrum centered about 1.54$g(m)m; the lens is essentially achromatic throughout the en...
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WO/1999/003006A1 |
Projection lens systems for use in CRT projection televisions are provided. The lens systems include a negative lens unit (U4) which is associated with the CRT during use of the lens system and four lens elements (L1, L2, L3, CR) on the ...
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WO/1998/023988A1 |
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 (S1/S2) by a distance of at least a quarter of...
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WO/1998/007666A2 |
An achromatic product, in particular for uses in the DUV range below 350 nm wavelength, and therefore in particular for projection exposure systems for microlithography, combines quartz glass with lenses made of germanium dioxide glass (...
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WO/1997/041477A1 |
Projection lens systems (13) for use in projection televisions are provided. The systems are characterized by a screen side lens unit (U1) which: (1) has a weak optical power; (2) has a negative aspherical lens element composed of a high...
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WO/1997/041461A1 |
A projection lens for use with a pixelized panel (LCD) is provided. The lens has two positive lens units (U1, U2) with an aperture stop between them. The optical powers of each of the units are such that f1 is substantially shorter than ...
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WO/1997/001786A1 |
A Cooke triplet projection lens for use in overhead projectors comprises two outer positive elements of an ophthalmic crown glass and one inner negative element of a light flint glass. The crown glass has a refractive index of roughly 1....
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