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Comic actor Danny Kaye received patent D166,807 for the co-design of "Blowout Toy or the Like". It's similar to one of those toys that unravels when you blow into at a birthday party except Kaye's has three blowouts going in different directions, not just one.

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Class 369/44.23 - Structure for shaping beam or causing astigmatic condition


Subclass of Class 369 - Dynamic information storage or retrieval
Definition: Subject matter having means to modify the cross-sectional
No. of patents: 1245
Last issue date: 05/22/2012


1                      
NumberTitleIssue Date
8184509Optical pickup device and optical disk device using the same
Of the beams reflected by an optical disk, only peripheral beams excluding the push-pull region are used to generate a DPD signal in order to optimize internal wire connections among the light receiving areas of the optical detector and thereby reduce the amplificat...
05/22/2012
8179750Optical pickup device and optical disc device
An optical pickup device includes a plurality of laser light sources emitting laser beams of different oscillation wavelengths, and a plurality of objective lenses on which the laser beams in the form of diverging beams emitted by the plurality of laser light source...
05/15/2012
8159907Optical pickup device
An optical pickup device includes a photodetector which receives laser light reflected on a recording medium, and an optical system which guides laser light to the photodetector as convergent light. A light transmitting plate which imparts astigmatism to the laser l...
04/17/2012
8154959Optical storage system and spherical aberration compensation apparatus and method thereof
An optical storage system and a spherical aberration (SA) compensation apparatus and method thereof are provided. The SA compensation apparatus includes a microprocessor and a digital-signal-processor (DSP). The microprocessor repeatedly regulates a compensation val...
04/10/2012
8111594Optical disk drive and optical pickup having aberration correction means
In an optical disk drive mounting a drive unit 20 having a control use circuit 21, and a pickup 1 having an aberration correction liquid crystal element 13 and a drive use circuit 2 which drives the aberration correction liquid cry...
02/07/2012
RE43126Optical pickup head and information recording/reproducing device
An optical pickup head is provided with a light source, a diffracting means for creating a plurality of diffracted beams, a converging means for focusing the diffracted beams onto an optical storage medium, a beam branching means for branching the plurality of beams...
01/24/2012
8098548Optical head and optical disk apparatus
An interference type optical head and an optical disk apparatus which have a signal amplification effect and can be manufactured in sizes comparable to conventional optical heads. In an optical disk apparatus that performs signal amplification by making a light, whi...
01/17/2012
8085626Optical pickup device and lens for optical pickup
An optical pickup device according to the present invention comprises: a first mirror for reflecting a first light beam outputted from a first light source and letting a second light beam outputted from a second light source pass therethrough; a first object lens fo...
12/27/2011
8077563Beam applying method, optical recording medium, and recording and reproducing apparatus
In a beam applying method, recording and reproducing operations are performed on an optical recording medium, in which a signal is recorded and reproduced by applying a beam thereto and which has a recording layer on which the signal is recorded, a quarter-wavelengt...
12/13/2011
8072850Optical information recording apparatus
A rewritable optical disk apparatus, optical information recording and reproducing apparatus or the like is allowed to automatically and properly adjust the optical system to the optimum focal condition regardless of the readout signal detector's positional error an...
12/06/2011
8045426Optical head device, and recording and/or reproducing device
An object of the invention is to suppress an influence of a wavefront aberration which is generated at the time of correcting a third-order spherical aberration, and realize satisfactory information recording and/or reproducing. A collimator lens 4 corrects a...
10/25/2011
8036072Holographic recording and reproduction system having servo optical path
A holographic recording and reproduction system includes a servo optical path, which is used to provide a servo mechanism, so that holographic interference fringes can be stored continuously into a holographic recording medium, and when the reproduction signals are ...
10/11/2011
8027227Optical disc apparatus
An optical-disc apparatus comprising: a laser-light source; an objective lens; an aberration-correction lens to be moved in an optical-axis direction according to a cover-layer thickness of an optical disc; a stepping motor; a driving unit to generate a driving puls...
09/27/2011
8018801Optical information reproduction device
An information recording medium of the optical information reproduction device of the present invention includes a recording unit capable of recording information three-dimensionally and provided with a track, and information is recorded by forming a plurality of re...
09/13/2011
7990814Optical disk drive
An optical disk drive for recording information on a recording surface of an optical disk and reading information recorded in the optical disk is provided. The optical disk drive includes a spindle to rotate the optical disk and a carriage movable in parallel with a...
08/02/2011
7986595Optical pickup and optical device for three different types of optical discs
An optical pickup for performing recording and/or playback of information by selectively irradiating the corresponding wavelength optical beam to first through third optical discs having a protection layer with different thickness, includes emission units for emitti...
07/26/2011
7965590Optical disc apparatus and offset adjustment method thereof
An optical disc apparatus includes a laser diode for emitting a laser light, a beam splitter for dividing the laser light into a main beam and sub beam, a main photodetector for detecting the main beam to output a main push-pull signal, a sub photodetector for detec...
06/21/2011
7961565Optical disk apparatus and optical aberration correcting method
An optical disk apparatus irradiates first and second lights, which are emitted from an identical light source, on a disk-like volumetric recording medium from both sides thereof with first and second object lenses corresponding to the first and second lights, respe...
06/14/2011
7957231Optical pickup apparatus and objective optical element
A light flux from the first light source forms a converged spot on first optical information recording medium by only a refraction action of the aspheric surface, or by a combination of the refraction action and an optical action given by at least one of the first p...
06/07/2011
7948835Optical disc device, method for activating optical disc device, and control circuit
An optical disc device includes: a light source; a condensing system including a solid immersion lens for emitting light from the light source onto an optical disc; a gap control circuit for setting a distance between the solid immersion lens and the optical disc to...
05/24/2011
7936646Spherical aberration compensation adjustment
Spherical aberration correction is provided for CD writing in a double (CD+DVD), triple (CD+DVD+BD) or quadruple (CD+DVD+BD+HD-DVD) writer, which use the same light path for CD and DVD. In an optical drive that uses numerous laser wavelengths combined into one light...
05/03/2011
7936645Optical disc device
This optical disc drive can read and/or write data from/on an optical disc 20 with multiple information layers including first and second information layers. The drive includes: a light source 3, 4 that emits the light beam; an objective lens 1;...
05/03/2011
7936644Optical pickup device and information processing apparatus incorporating the optical pickup
A highly reliable optical pickup which is not likely to collide with an optical disk is provided. Relative positions of two objective lenses 100 and 101 (along a focus direction) on a lens holder 102 are determined so that, while the objective l...
05/03/2011
7933175Optical disk drive
In an optical disc drive that needs an aberration correcting element for correcting spherical aberrations, it takes long time to conduct a processing operation of the aberration correcting element in an interlayer movement of a multilayer disc and a drive initializi...
04/26/2011
7920444Assembling method for optical system of optical pick-up
There is provided an assembling method for expanding a maximum admissible astigmatism of objective lens which includes defining a maximum admissible astigmatism for the entire optical system, installing the collimator lens on the optical system to cause a predetermi...
04/05/2011
7911889Optical disc apparatus
An optical disc apparatus includes a laser diode, a first optical component which branches beams from the laser diode into a first beam and a second beam, an objective lens which focuses the first beam on an optical information recording medium, an actuator which dr...
03/22/2011
7903507Optical pickup device and method of laying out the same
An optical pickup device is provided, in which, supposing that an angle formed by the meeting of a straight line connecting a center of an optical disk and an accessing position of an HD objective lens with a diameter L of the optical disk is a track angle θ1
03/08/2011
7898910Optical pickup apparatus
An optical pickup apparatus comprising: a first objective lens; and a second objective lens arranged with the first objective lens in a radial direction of an optical disc, the first objective lens being configured to focus laser light for reproduction, which is las...
03/01/2011
7881165Optical scanning device with compact spherical aberration compensation
The invention relates to an optical scanning device for scanning at least one information layer (101, 102) in an information carrier (10), comprising means (1) for generating a radiation beam (11) intended to be focused on the information...
02/01/2011
7872952Optical disc drive
An optical disk apparatus according to the present invention includes: a light emission section for emitting laser light; an optical system for irradiating the optical disk medium with the laser light; and an aberration control section for controlling aberration of ...
01/18/2011
7859953Optical pickup and optical disc apparatus
An optical pickup includes: a light source; an objective lens; a beam splitter; a quarter wave plate that transforms the optical beam into a circularly polarized optical beam and also transforms the circularly polarized reflection optical beam into an optical beam w...
12/28/2010
7855940Pickup lens with phase compensator and optical pickup apparatus using the same
A pickup lens with a phase compensator is composed of a condenser lens and a phase compensator. At least one surface of the condenser lens has a step-like annular zone structure to compensate wavefront aberration generated when recording and reproducing data on an i...
12/21/2010
7843774Optical information recording and reproducing apparatus capable of coma aberration correction
An optical information recording and reproducing apparatus for performing, using a light beam, recording of information or reproducing of recorded information with respect to a plurality of recording layers of an information recording medium. An objective lens conde...
11/30/2010
7835235Optical pickup apparatus and optical recording/reproducing system using the same
An optical pickup apparatus and an optical recording/reproducing system including the same, the optical pickup apparatus includes at least two optical systems for different types of optical recording media, one of objective lenses of the optical systems being offset...
11/16/2010
7796475Optical pickup apparatus
An optical pickup apparatus comprising: a collimating lens configured to convert laser light having Gaussian distribution property emitted from a laser diode from divergent light to parallel light; an objective lens configured to focus the laser light from the colli...
09/14/2010
7791986Optical information recording/reproducing apparatus
There is provided an optical information recording/reproducing apparatus including a unit for detecting the focus error signal from the reflected light flux from a recording layer of an optical recording medium, and a unit for focusing the light flux on the recordin...
09/07/2010
7787332Optical information recording-reproducing apparatus
An optical information recording-reproducing apparatus comprising a light source, an objective lens for condensing a light beam from the light source on a recording layer of an optical recording medium, a divergence angle-converting element provided in an optical pa...
08/31/2010
7773468Optical head and optical information recorder/reproducer
Fifth order spherical aberration in addition to third order spherical aberration for an optical information recording medium of which thickness of a light transmission layer changes greatly is corrected. An objective lens collects a laser beam emitted from a semicon...
08/10/2010
7768880Reproducing apparatus, and method of adjusting spherical aberration correction and focus bias
A reproducing apparatus includes a head unit operable to direct a laser light beam onto a recording medium, the head unit having a focus servo mechanism and a spherical aberration correction mechanism for laser light; an evaluation signal generating unit operable to...
08/03/2010
7764575Tracking error detecting method, tracking error detecting apparatus and optical recording and reproducing apparatus
A tracking error detecting method comprises the steps of causing intensity distributions of single light introduced into an objective lens to have symmetry with respect to the track direction of an optical recording medium and the direction oblique to the direction ...
07/27/2010
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