Class 359/671 - Having four or more components

Subclass of Class 359 - Optical: systems and elements
Definition: Subject matter wherein the lens comprises four or more sections
No. of patents: 39
Last issue date: 11/01/2011

Number	Title	Issue Date
8049967	Anamorphic lens Provided is a low-cost and compact super-wide-angle anamorphic lens having small number of lenses and exhibiting excellent lens performance when the lens is used for an onboard camera, capturing of an unwanted portion is minimized. The super-wide-angle anamorphic le...	11/01/2011
8009366	Super wide-angle lens A small-sized super wide-angle lens for a solid-state image sensor that is suitable for a digital input apparatus such as a monitoring camera and an onboard camera, which is excellent in terms of optical performance and is low in terms of cost. The super wide-angle ...	08/30/2011
7978419	Scan lens for imaging device A scan lens for an imaging device includes first, second, third, and fourth lens elements optically positioned in ascending numeric order between a scanning component and an imaging surface. The first lens element has an optical power in an in-scan direction of the ...	07/12/2011
7457044	Ultra wide angle imaging optical system, ultra wide angle imaging lens device, and image sensing apparatus An ultra wide angle imaging optical system includes, in order from an object side, a first lens group, an aperture stop, and a second lens group. The first lens group includes, in order from the position closest to the object side, a negative meniscus lens element c...	11/25/2008
7310185	Double pass illumination system A display device is disclosed, wherein the display device comprises a light source configured to emit light, a projection lens configured to transfer the light to a display surface, at least one other optical element, and a lens disposed optically between the light ...	12/18/2007
7289272	Optical system including an anamorphic lens An optical system includes a primary lens group having a central beam path therethrough and including a front lens group and a rear lens group. An anamorphic lens group lies on the central beam path and is positioned between the front lens group and the rear lens gr...	10/30/2007
7241262	Image-distorting endoscopes and methods of making and using such endoscope An endoscope having restricted dimensions and comprising at least one image gatherer, at least one image distorter and at least one image sensor shaped to fit within said limited dimensions, and wherein said image distorter is operable to distort an image received f...	07/10/2007
7203344	Biometric imaging system and method A method and system of obtaining a ten-print plain impression fingerprint includes scanning a print image, processing the scanned image, separating the processed image into individual fingerprint images, and determining how many print images have been scanned. The m...	04/10/2007
7167297	Micromirror array In order to minimize light diffraction along the direction of switching and more particularly light diffraction into the acceptance cone of the collection optics, in the present invention, micromirrors are provided which are not rectangular. Also, in order to minimi...	01/23/2007
7167315	Apparatus and method for combining multiple electromagnetic beams into a composite beam A beam combiner includes a first beam-input face, a beam-output face, and first and second reflectors. The first beam-input face receives first and second beams of electromagnetic energy respectively having a first and second wavelengths. The first reflector reflect...	01/23/2007
7113344	Anamorphic converter, lens device using the same, and image-taking device using the same An anamorphic converter, which can be inserted into and removed from a lens group of an image-formation optical system, includes an anamorphic lens that satisfies the following conditions 0.9	09/26/2006
7101063	Systems and methods for integrating light A light integrating system includes at least one total internal reflection (TIR) prism and a light integrating device disposed to collect and homogenize light exiting from the TIR prism. ...	09/05/2006
7095563	Anamorphic converter, lens system, and shooting system An anamorphic converter, which is disposed at an image side of an image-forming optical system, includes a first lens unit having one of positive and negative optical power, a second lens unit including an anamorphic lens, and a third lens unit having positive optic...	08/22/2006
7061691	Optical lens and method of producing the same, method of producing optical lens array, focus error signal production method, and optical pickup apparatus An optical lens whose focal length is different on first and second planes perpendicular to each other is provided. The optical lens is configured such that a convex element, which is formed integrally with a substrate having a flat face, has a convex curved face th...	06/13/2006
6927891	Tilt-able grating plane for improved crosstalk in 1×N blaze switches A light modulator includes elongated elements arranged parallel to each other. Each elongated element includes a light reflective planar surface with the light reflective planar surfaces configured in a first grating plane. A support structure is coupled to the elon...	08/09/2005
6922483	Methods for measuring DMD low frequency spatial uniformity Methods for measuring the low spatial reflectivity uniformity of a DMD spatial light modulator. These methods are unique since they compensate for the non-uniformities introduced by the tilt angle of the DMD mirrors in addition to the normal system non-uniformities ...	07/26/2005
6754007	One-dimensional optical condensing system, optical lighting system for correcting light intensity distribution, and exposure head Provided are an optical correcting system which can form a linear image or illuminating light having a substantially uniform light intensity distribution without reducing the efficiency of use of light, and an exposure head which can perform excellent exposure by us...	06/22/2004
6624956	Numerical aperture limiter The invention provides a numerical aperture limiter for an optical thermal imaging system, comprising at least one pair of wedge-like prisms made of a transparent material having a known index of refraction, the prisms of the pair being disposed in close ...	09/23/2003
6512636	Anamorphic lens for digital projection An anamorphic lens for a digital projection display system comprising a projection lens and an optical axis has an anamorphic factor between 1.3 and 2.0. The anamorphic lens includes a first afocal part placed in front of the projection lens and a second ...	01/28/2003
6504652	Apparatus and method for laser processing A CO2 laser beam 12 is converted into a beam of uniform intensity at the position of a phase matching element 15 by an intensity converting element 14 and the phase matching element 15. Then, the uniform intensity beam irradiates a mask 17 cont...	01/07/2003
6310731	Anastigmatic anamorphic lens An anastigmatic anamorphic lens, in particular for the projection of Cinemascope films, with a high aperture and an anamorphic factor of greater than 1.7. The anastigmatic anamorphic lens comprises a main objective with considerable positive astigmatism. ...	10/30/2001
6301059	Astigmatic compensation for an anamorphic optical system A lens system defined along an X-Y-Z coordinate system transforms an elliptical optical beam defined as exhibiting a first, fast axis component and a second, slow axis component, into an essentially circular optical beam. A first and a second lens interce...	10/09/2001
6016227	Apparatus and method for producing an improved laser beam This invention relates to an improved laser beam useful in material surface processing and an apparatus for producing the improved laser beam. The improved laser beam of the present invention comprises a power distribution that is more intense at the oute...	01/18/2000
5946139	Compact monitor A color display including a non-polarized light source, at least one polarizing beam-splitter receiving light from the non-polarized light source, at least one selectably actuable polarization rotating light valve having thereon impinging light from the p...	08/31/1999
5930050	Anamorphic lens for providing wide-screen images generated by a spatial light modulator An anamorphic lens (11) for use in a display system (10) that has a spatial light modulator (12) and a projection lens (13) and that projects images to a screen (14). The anamorphic lens (11) is placed between the projection lens (13) and the screen (14)....	07/27/1999
5905597	Optical apparatus The present invention is characterized in that when a phototaking lens system forms image information on a image pickup device in which a plurality of light-receiving elements are arranged in a non-square lattice pattern and a signal from the image pickup...	05/18/1999
5796526	Illumination optics for spatial light modulator Variations on the Koehler illumination system, used for providing light to be reflected from, or transmitted by, an SLM. An anamorphic illumination system (10) uses multiple light sources (11) and a cylindrical lens (14) to provide an elongated and compre...	08/18/1998
5731908	Photographic lens system A photographic lens system, comprising, from an object side, a first lens group having a positive refractive power, and a second lens group having a positive refractive power, wherein the first and the second lens groups comprise at least one cylindrical ...	03/24/1998
5703722	Segmented axial gradinet array lens A segmented axial gradient array lens is provided. In one embodiment, the segmented array lens includes two sheets of optical material which mate at opposing faces which have a series of corresponding parallel grooves and ridges. At least one of the sheet...	12/30/1997
5671093	Anamorphic lens for a CCD camera apparatus The present invention relates to an anamorphic lens for a CCD camera apparatus used for inspecting a semiconductor chip during the manufacturing process. The reduced image of the semiconductor chip being inspected is formed at a magnification of 0.25 time...	09/23/1997
5465178	Focusing optical system for semiconductor lasers The invention is directed to a focusing optical system for semiconductor lasers, which is regulated in terms of magnification power in both its directions normal to the optical axis, so that the back focus of sufficient magnitude can be made equal in both...	11/07/1995
5307208	Optical system for imaging the light from light sources An optical system for imaging the light from light sources having varying astigmatic differences of focus in different planes, having an optical element with an astigmatic effect and having an imaging lens system, the optical element having an astigmatic ...	04/26/1994
5208702	Objective lens system for endoscopes An objective lens system for endoscopes comprising, in the order from the object side, a first lens component having a negative refractive power, a second lens component having a positive refractive power, an aperture stop arranged right after the second ...	05/04/1993
5184222	Wipe generator having start position and width controller A wipe waveform signal generating apparatus includes a wipe width generator generating a wipe width. A wipe waveform extended width holding device outputs a horizontal extended width and a vertical extended width. A wipe waveform calculator receives the w...	02/02/1993
5184223	Electronic imaging apparatus The electronic imaging apparatus comprises an imaging lens system for forming an image of an object at magnifications different between an x-z section and y-z section when the object is placed on a z-axis, an imaging optical system, an image sensor having...	02/02/1993
4684222	Small anamorphic lenses and method Anamorphic lenses or lens arrays are formed in photosensitively crystallizable glass by selective exposure of the glass surface and thermal treatment to cause the crystallization of the glass surrounding the lenses. The lenses, which have elongated cross-...	08/04/1987
4426135	Lens attchment for forming wide-ranging images The invention provides a lens attachment adapted for use as a supplemental attachment to optical instruments, such as cameras, enlargers, when they are employed to form wide-ranging images upon a wide screen for example. According to the invention, the lens at...	01/17/1984
4362366	Focal length extender An improved focal length extender of the anamorphic type is disclosed for use in combination with a conventional primary lens. The lens system of the present invention comprises two portions. A first portion is positioned in front of the conventional lens...	12/07/1982
4056307	Anamorphic scanner lens system An improved anamorphic scanner lens system including seven axially aligned cylindrical lens elements, the cylinder axes of the surfaces of the first six elements being disposed at right angles to the direction of the scan line, the axis of the front surfa...	11/01/1977

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Class 359/671 - Having four or more components