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Konica Minolta Opto, Inc. Patents
Assignee:
Konica Minolta Opto, Inc.
Address:
Hachioji-shi, JP
No. of patents:
518
Patents:


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Patent Number Title Of Patent Date Issued
7116493 Beam shaping device October 3, 2006
In a beam shaping device for converting the laser light emitted from a semiconductor laser light source from an elliptic beam to a circular beam, the light-entrance-side and light-exit-side surfaces of the beam shaping device both have a curvature only in the major-axis direction of
7110188 Small imaging lens and imaging apparatus September 19, 2006
An imaging lens includes sequentially, from an object side, a first lens group, a second lens group, a third lens group, and a fourth lens group. The first lens group includes only a first lens having a meniscus shape with a concave surface facing the object side. The second lens group h
7075728 Image-capturing lens and image- capturing apparatus July 11, 2006
An image-capturing lens includes a plastic lens formed with use of a material in which particles each having the maximum length of 30 nanometer or less are dispersed in a plastic material.
7072118 Optical element and manufacturing method of the optical element July 4, 2006
An optical element having an optical axis, comprises an element body having the maximum first length of 4 mm or less in the optical axis direction and the second maximum length of 6 mm or less in the direction perpendicular to the optical axis direction; wherein the element body is m
7066609 Projection-type display apparatus June 27, 2006
In a projection-type display apparatus that directs light from a light source through the illumination optical system to a display panel so that an image displayed on the display panel illuminated by the light directed thereto is projected through a projection optical system onto a scree
7050241 Image-taking lens apparatus May 23, 2006
A zoom lens system for forming an optical image of a subject on the light-receiving surface of an image sensor that converts the optical image into an electrical signal is provided with, from the object side thereof, at least a first lens unit, a second lens unit, and a third lens un
7050236 Diffractive optical element and optical pickup apparatus May 23, 2006
The present invention relates to a diffractive optical element which has chromatic aberration capable of recording and reproducing without any problem even in the case of instantaneous wavelength change in a laser beam that cannot be followed by an actuator, and can control an adverse
7031079 Taking lens system April 18, 2006
A three-lens-element taking lens system for forming an image on a solid-state image sensor has, from the object side, a first lens element having a positive optical power, an aperture stop, a second lens element having a positive optical power, and a third lens element having a negat
7012765 Image pickup lens and image pickup device March 14, 2006
An image pickup lens includes: a first lens which is a positive lens having a positive refractive power; a second lens which is a negative lens having a negative refractive power; a third lens which is a positive lens; a fourth lens having at least one surface with an aspherical shape,
7012758 Projection optical system and projecting apparatus provided with same March 14, 2006
A projection optical system includes from the enlargement side a first lens unit, a mirror which is an optical path bending member, a second lens unit, and a third lens unit. The projection optical system is designed so that a condition (1), 5.5<T.sub.12/FL<12.0, is fulfilled.
6999399 Objective lens, optical pickup device, recorder and reproducer February 14, 2006
It is to provide an objective lens for being provided in an optical pickup device for carrying out at least one of a record of information on at least two types of optical information storing media and a reproduction of information from the optical information storing media. In the optic
6952390 Optical pickup apparatus, condensing optical system, and optical element October 4, 2005
This invention is directed to an optical pickup apparatus, condensing optical system, and optical element which can at least reproduce and/or record information from/on a first optical information recording medium having a protective substrate thickness t1 by using a light beam of a
6891679 Optical system and image pickup apparatus May 10, 2005
An image pickup apparatus comprises a substrate; an image pickup element to convert a converged light flux to electronic signals; an image-taking optical element positioned so as to converge a light flux from an object onto the image pickup element; a light shielding member to house the
6880937 Projection optical system and image projection apparatus April 19, 2005
In a projection optical system projecting an image displayed on a predetermined play surface onto a predetermined projection surface, two decentering lens units movable in directions vertical to the optical axis and substantially vertical to each other are included between a rear lens
6865025 Aberration compensating optical element, optical system, optical pickup device, recorder and rep March 8, 2005
An aberration compensating optical element includes: a diffractive structure having a plurality of ring-shaped zone steps formed into substantially concentric circles on at least one surface of the aberration compensating optical element; wherein the aberration compensating optical e
6839189 Objective lens, optical pickup device, recorder and reproducer January 4, 2005
An objective lens is provided in an optical pickup device for carrying out the reproduction/record for a plurality of optical information storing media in which the protect substrates of the mediums have a different thickness. The optical functional surface of the optical lens is divided
6795248 Aberration compensating optical element, optical system, optical pickup device, recorder and rep September 21, 2004
An aberration compensating optical element includes: a diffractive structure having a plurality of ring-shaped zone steps formed into substantially concentric circles on at least one surface of the aberration compensating optical element; wherein the aberration compensating optical e
6727487 CMOS image sensor April 27, 2004
A CMOS image sensor comprising: a light receiving unit as a photoelectric conversion portion; a signal processing circuit unit; a first color filter layer array and a first microlens array layer, which are provided on an upper surface of the light receiving portion; and a second layer
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