| Patent Number |
Title Of Patent |
Date Issued |
| 7623434 |
Objective lens, optical pickup apparatus and optical disc driving apparatus |
November 24, 2009 |
| An objective optical lens for use in an optical pickup apparatus, includes: an optical surface divided into at least two areas including: a central area including a first diffractive structure; and a peripheral area including a second diffractive structure, the objective lens is a si |
| 7616391 |
Multifunctional optical device |
November 10, 2009 |
| There is provided optical devices capable of performing aberration corrections with high accuracy for light rays having plural wavelengths with a simple structure without involving a cost increase.An optical device 1 includes an actuator 8 for driving an optical member 40 in the dire |
| 7613389 |
Image taking apparatus and assembling method thereof |
November 3, 2009 |
| The image taking lens has the minimum effective diameter lens whose effective diameter is minimum, and the maximum effective diameter lens whose effective diameter is maximum on the most image side, and in the space generated in the minimum effective diameter lens periphery by the di |
| 7613096 |
Converging optical element and optical pickup apparatus |
November 3, 2009 |
| A converging optical element for use in an optical pickup apparatus reproducing and/or recording information on a first optical disc using a first light flux with a wavelength .lamda.1 emitted by a first light source, reproducing and/or recording information on a second optical disc |
| 7612951 |
Projection lens unit |
November 3, 2009 |
| A projection lens system 1A enlarges and projects onto a screen 8, via a plurality of lenses G1 to G16, image light emitted from, a light source 4 and modulated by DMDs 3r to 3b. A movable lens barrel 25 holds the lens G16, having positive power, which is positioned closest to the DMDs 3 |
| 7612323 |
Optical element for condensing incident light |
November 3, 2009 |
| To obtain an optical element for generating near-field light which can accurately detect positions of a plurality of minute structures formed on a metallic thin film provided to a condensing surface, and a method of adjusting an optical spot position of the optical element. The metallic |
| 7611297 |
Imaging device |
November 3, 2009 |
| An imaging device wherein a camera module is controlled based on a personality file for module (individual control data) which is retrieved from a camera module and is peculiar to the camera module and on a personality file for sensor (type-dependent control data) relating to the typ |
| 7609313 |
Image pick-up lens, image pick-up unit and mobile terminal |
October 27, 2009 |
| An image pick-up lens for forming an image of an object on a solid image pick-up element having a rectangular effective pixel area, has a first lens; a second lens; a third lens; and a diaphragm having an aperture. The following conditional expressions are satisfied: 15.degree.<IA |
| 7602679 |
Optical lens and information recording and reproducing device |
October 13, 2009 |
| An optical lens to be arranged in an optical information recording and/or reproducing apparatus includes at least one lens main body; an antireflective film arranged on a first lens surface which has the largest surface angle on an outer peripheral portion in an effective radius of l |
| 7602560 |
Image pickup lens, image pickup apparatus and mobile terminal |
October 13, 2009 |
| The present invention provides an image pickup lens for forming an image of an object on a photoelectrical converter of a solid-state image pickup element. The image pickup lens includes: an aperture stop; a first lens having a positive refractive power and having a meniscus shape whose |
| 7599119 |
Antireflection coating, optical element, and optical transceiver module |
October 6, 2009 |
| An antireflection coating provided on an optical element which passes through at least two wavelengths of light in the wavelength range of 1300-1600 nm, wherein the antireflection coating comprises: a high refractive index layer; a low refractive index layer having a refractive index |
| 7598025 |
Hologram silver halide photographic material, hologram and method for producing the same |
October 6, 2009 |
| The present invention is characterized to provide a hologram silver halide photographic material having high sensitivity and diffraction efficiency, providing an excellent image and having less color residue and noise in a transparent part, a hologram, a method for producing the same.In |
| 7593307 |
Objective optical system for optical pickup apparatus, optical pickup apparatus, driving apparat |
September 22, 2009 |
| An objective lens system for an optical pickup apparatus, includes in order from an object side: a first lens group having negative paraxial power P.sub.1 (mm.sup.-1); and a second lens group having positive paraxial power P.sub.2 (mm.sup.-1) for converging a light flux emitted from |
| 7593165 |
Zoom lens and image sensing apparatus |
September 22, 2009 |
| A zoom lens for forming an optical image of an object on a sensing surface of an image sensor at a variable magnification has first, second, third, fourth and fifth lens groups with positive-negative-positive-negative-positive zoom arrangement. Between the second lens group and the f |
| 7593164 |
Zoom lens system and image-sensing apparatus having image shake correcting capability |
September 22, 2009 |
| A zoom lens system having an image shake correcting capability has, from the object side to the image side: a first lens group having a positive optical power, a second lens group having a negative optical power, a third lens group having a positive optical power, a fourth lens group |
| 7589907 |
Zoom lens system, image pickup device and digital device |
September 15, 2009 |
| A zoom lens system includes, in order from an object side: a first lens group having a negative optical power, a second lens group having a negative optical power, and, a third lens group having a positive optical power. The position of the first lens group is fixed during zooming, and |
| 7586827 |
Optical pickup apparatus |
September 8, 2009 |
| An optical pickup apparatus has a semiconductor laser source which emits a laser beam in a wavelength band of 405 nm having an elliptic light intensity distribution; a beam shaping element which shapes the light intensity distribution of the laser beam; a polarizing beam splitter hav |
| 7579751 |
Optical member driving device |
August 25, 2009 |
| An optical member driving device having a movable member formed integrally with a frame member holding an optical member, without requiring a reinforcement of any abutting regions on the driving friction member is comprising a driving friction member capable of a reciprocation in an |
| 7576475 |
Actuator device and method of manufacturing the same |
August 18, 2009 |
| An actuator device which is made as a laminated structure including a displacement-functioning layer having a region to be deformed by the electric field and an electrode-functioning layer having a region to function as an electrode. And an manufacturing method in which the above-men |
| 7573648 |
Zoom lens |
August 11, 2009 |
| In this invention, to provide a compact zoom lens having a small number of optical element groups to be driven and a simple moving mechanism, at least one of a plurality of optical element groups arranged in the lens system includes a refractive power variable element of a transmission |
| 7570547 |
Objective lens unit and optical pickup device |
August 4, 2009 |
| An objective lens unit, includes: an objective lens for irradiating and converging laser light on an optical disc as an a light information recording medium; and a lens frame for retaining the objective lens, wherein the lens frame is structured so that at least a portion closer to a |
| 7569259 |
Plasticizer, cellulose ester film, polarizing plate, and liquid crystal display |
August 4, 2009 |
| A plasticizer comprising an ester compound produced by a condensation reaction of an organic acid represented by Formula (1) with a polyhydric alcohol having at least 3 hydroxyl groups in the molecule, ##STR00001## |
| 7567389 |
Zoom lens, image pickup apparatus and digital equipment |
July 28, 2009 |
| A zoom lens includes a first lens group having a negative optical power and including a reflection optical element; a second lens group having a positive optical power; a third lens group having a negative optical power; a fourth lens group having a positive optical power; and, a fifth |
| 7567012 |
Drive unit |
July 28, 2009 |
| A drive unit being characterized in that a movable object can be prevented from being tilted when the movable object is stopped using a restricting member. The drive unit comprises a piezoelectric element, a rod provided at an end of the piezoelectric element, a movable object frictional |
| 7566673 |
Glass substrate for an information recording medium and information recording medium employing i |
July 28, 2009 |
| A chemically strengthened glass substrate for use as the substrate of an information recording medium such as a magnetic disk, magneto-optical disk, DVD, or MD, wherein a strengthened formed by chemical strengthening exists on the outer edge surface and on the inner edge surface but |
| 7564764 |
Optical element, optical pickup device and optical information recording and reproducing apparat |
July 21, 2009 |
| An optical element for use in an optical pickup device to conduct reproducing and/or recording information for a first disk including a protective substrate by the use of a first light flux emitted from a first light source and to conduct reproducing and/or recording information for |
| 7564168 |
Driving device |
July 21, 2009 |
| A driving device includes an electromechanical transducer that is extended and contracted by application of voltage, and a support member that slidably supports a movable body and that is displaced together with the electromechanical transducer to which the support member is connected, |
| 7561202 |
Image device with lens adjustment for various environmental conditions |
July 14, 2009 |
| A digital camera 100 including a lens unit 1a, and a first actuator 71 and a second actuator 72, which deform by being supplied with electric power, thereby moving the lens unit. The digital camera 100 includes a ROM 12 which stores stop position data in which the operation amount of the |
| 7559708 |
Optical unit and imaging apparatus |
July 14, 2009 |
| Provided is a compact thin type optical unit provided also with a housing 2 having an mounting surface 31 for mounting an imaging device 18 on, an optical system driving device 5 for driving the optical system 3, a light quantity control member 16 for controlling a light quantity project |
| 7558180 |
Light source apparatus provided with beam shaping element and optical pick-up apparatus having t |
July 7, 2009 |
| The present invention has a beam shaping element for converting the light source 11 into a light flux whose emitting angle is almost equal and for projecting it, and a generation amount of the astigmatism generated by the temperature change is suppressed by a linear expansion of the beam |
| 7554736 |
Objective lens and optical pickup apparatus |
June 30, 2009 |
| An objective lens for converging a monochromatic light flux having a specific wavelength in a range of 350 to 450 nm on an optical information recording medium while the objective lens is placed facing the optical information recording medium, the objective lens containing a lens body |
| 7551539 |
Optical element, aberration correcting element, light converging element, objective optical syst |
June 23, 2009 |
| An optical system for use in an optical pickup apparatus comprises a first optical surface having a superposition type diffractive structure including a plurality of ring-shaped zones which are formed concentrically around an optical axis, wherein each ring-shaped zone is composed of |
| 7551373 |
Image pickup optical system |
June 23, 2009 |
| An image pickup optical system for forming a light flux from an object into an optical image on an image pickup element, is provided with, in order from an object side thereof: a first lens with a negative power in a meniscus shape including a convex surface facing the object side; a |
| 7550182 |
Polarizing plate and display device |
June 23, 2009 |
| A polarization plate comprising a polarizer and polarizing plate protective films A and B provided on both surfaces of the polarizer, wherein (i) a thickness of each of the polarizing plate protective films A and B is 30 to 60 .mu.m; (ii) in-plate retardation value Ro of the polarizi |
| 7549809 |
Image-taking lens system and digital apparatus using the same |
June 23, 2009 |
| An aperture stop, a first lens having a positive power, a second lens having a negative power, a third lens having a positive power, and a fourth lens whose concave face is directed toward the image surface side and having a meniscus shape are disposed in order from the object side. |
| 7547867 |
Positioning device and positiioning method |
June 16, 2009 |
| A positioning method for positioning a movable member so as to maximize a detection output of a position detecting means whose detection output varies corresponding to positions of the movable member, comprising: performing a wobbling control when the detection output is small, in wh |
| 7545724 |
Optical pickup apparatus, optical element for optical pickup apparatus and producing method of o |
June 9, 2009 |
| The present invention relates to an optical element for an optical pickup device, wherein the optical element is produced by molding a resin material, in which inorganic particles having a diameter of not more than 30 nm are dispersed in a plastic resin, an optical pickup device using |
| 7542637 |
Coupling optical system, optical element and optical pickup apparatus |
June 2, 2009 |
| The present invention relates to a coupling optical system, an optical element, and an optical pickup apparatus. A coupling optical system is provided for use in an optical pickup apparatus and is arranged between a light source and an objective lens of the optical pickup apparatus. The |
| 7541302 |
Optical glass and optical element |
June 2, 2009 |
| Optical glass which is suitable for press molding does not substantially contain a compound of lead or arsenic, and has intermediate refractive index, low dispersion properties, low Tg and small density. Concretely, the optical glass includes the glass components of SiO.sub.2: 20 to 45%, |
| 7540646 |
Light guide element, light guide unit, backlight apparatus and light source apparatus |
June 2, 2009 |
| The present invention provides a light guide element, a light guide unit, a backlight apparatus and a light source apparatus. The light guide element is provided for guiding a light flux from a light source into a light guide plate, and the light guide element includes: an incident s |
| 7535659 |
Image pickup lens, image pickup apparatus and mobile terminal |
May 19, 2009 |
| The present invention provides an image pickup lens for forming a light flux from a subject into an image on a photo-electric converter of a solid image pickup element, and the image pickup lens includes, in order from an object side thereof: and aperture stop; a first lens having a |
| 7535626 |
Shape-variable optical element, optical device and image pickup apparatus |
May 19, 2009 |
| A shape-variable optical element, which includes: a shape-variable section made up of an organic material that can be expanded and contracted by an electric field, in a direction of the electric field; and a pair of electrode layers to sandwich the shape-variable section, wherein amounts |
| 7535509 |
Transparent member in a solid-state image pick-up apparatus supported through use of micro-lense |
May 19, 2009 |
| A solid-state image pickup apparatus includes a light receiving pixel group having light receiving pixels to convert photoelectrically incident light and to be two-dimensionally arranged; a microlens array to be two-dimensionally arranged to correspond in position to the light receiv |
| 7532418 |
Lens barrel and image pickup apparatus |
May 12, 2009 |
| A lens barrel includes: a plurality of lens groups arranged on an optical axis; and at least one reflection surface arranged on the optical axis for bending the optical axis into a plurality of optical axis segments. Among the optical axis segments, at least two lens groups are arranged |
| 7532408 |
Variable magnification optical system and image-taking apparatus |
May 12, 2009 |
| A variable magnification optical system having at least a first lens group having a negative optical power, a second lens group having a positive optical power, a third lens group having a negative optical power, and a fourth lens element having a positive optical power, in the optical a |
| 7532382 |
Display element |
May 12, 2009 |
| The present invention provides a display element including a layered body. The layered body includes a layered portion comprising a plurality of transparent thin films with different refractive indexes, and a plurality of electrodes which are adapted to apply an electric field to each of |
| 7530697 |
Illumination optics and image projecting apparatus having thereof |
May 12, 2009 |
| An illumination optics includes a plurality of light source sections for emiting light beams and a time sharing color separation device having a plurality of color filters. The color filters are rotationally moved so as to cross optical paths of the emitted light beams from the light |
| 7529035 |
Zoom lens system and image pickup device |
May 5, 2009 |
| A zoom lens system includes, in order from an object side: a first lens group having negative power, a second lens group having negative power, a third lens group having positive power, and, a fourth lens group having positive power. The position of the first lens group is fixed during |
| 7525879 |
Objective optical element and optical pickup apparatus |
April 28, 2009 |
| An objective optical element for use in an optical pickup apparatus first-third light sources emitting first-third light fluxes and a light converging optical system, includes a first optical path difference providing structure for providing an optical path difference which provides |
| 7524068 |
Projection optical system |
April 28, 2009 |
| A projection optical system that performs enlargement projection of an image on a display device surface formed of a plurality of pixels onto a screen surface, in which pixel shift by less than a pixel pitch is performed on the screen surface in a vertical direction, a horizontal dir |
