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8495813 Method of making an energy-assisted magnetic recording apparatus  
A method of making an energy-assisted magnetic recording apparatus is provided. The method comprises the step of aligning a first wafer including a plurality of vertical cavity surface emitting...
8455805 Two dimensional barcodes and mobile terminals  
Processing a two dimensional (2D) barcode using a mobile telecommunications terminal having an image scanner includes obtaining a scanned image of the 2D barcode from the image scanner, decoding...
8393074 Method of manufacturing thermally-assisted magnetic recording head and alignment apparatus  
A method of manufacturing a thermally-assisted magnetic recording head includes: providing a light source unit including a laser diode; providing a slider having a thermally-assisted magnetic...
8329106 Miniaturized apparatus for real-time monitoring  
The present invention relates to a apparatus for quantitative continuous real-time monitoring to monitor a continuous reaction of biochemical reagent and the reaction, such as DNA. More...
8270283 Transmedian storage and transfer device  
There is herein described a Transmedian Storage and Transfer Device (TSTD) that will provide a more useful system for information storage, retrieval, and computation. This is achieved by...
8269157 Optical imaging system  
A system includes an objective lens, an imaging module, and a measurement module. The objective lens is configured to receive light emitted by a light source, focus the emitted light onto a target...
8159908 Photo diode ic  
A photodetector detecting reflected light components from an optical medium, the photodetector including a first detector divided into eight sections detecting the reflected light components and...
8154808 Autofocus imaging apparatus  
An autofocus imaging apparatus (200) for three-dimensional imaging on a surface of a flexible media mounted on a cylindrical drum (104) includes a carriage (210) which moves parallel to a surface...
8111598 Optical disk apparatus and emission control method  
An optical disk apparatus according to the present invention includes a spindle motor that rotates an optical disk on whose information recording surface a plurality of addresses is recorded, an...
7982169 Apparatus and method for detecting the focal position of an optical system and opthalmological treatment apparatus  
An apparatus and a method are presented for detecting the focal position of an optical system (10) with a radiation source (12), a focusing imaging system (16), an at least partially reflective...
7956312 Optical disc device  
An optical disc device comprising: first and second laser diodes to radiate first and second laser beams with different first and second wavelengths, respectively; a first objective lens to...
7915569 Method for calibrating focus level on a light scribe disc  
A method for calibrating a focus level on a light scribe disc includes driving a pick-up head with a predetermined speed in a predetermined direction to calibrate a focus level for a moving stage,...
7821652 System and method for focusing discrete points on an under-measured object  
A method for focusing discrete points on an under-measured object is provided. The method includes: (a) receiving an image of the object, selecting measurement points on the image, and obtaining...
7755014 Optical pickup device  
An optical pickup device is equipped with a diffraction element (8) that includes liquid crystal, two transparent electrodes sandwiching the liquid crystal, and a liquid crystal control portion...
7750276 Optical information detecting method, optical head, and optical disc apparatus utilizing plural photodetectors  
In multilayer optical discs and high-speed optical discs, the amount of reproduction light per unit time greatly decreases and the reproduction signal quality (S/N) significantly drops due to the...
7718939 Optical pickup apparatus  
An optical pickup apparatus includes a light source to emit light of a predetermined wavelength, an objective lens to focus the light emitted from the light source to form a light spot on an...
7671312 Optical pickup system, optical system, and optical information recording medium  
The present invention provides an optical pickup system including a first light source emitting a light flux with a first wavelength; a second light source emitting a light flux with a second...
7636286 Front photo detector having no gain selection switch, optical pick-up including the front photo detector, and optical recording and/or playing apparatus including the front photo detector  
A front photo detector (FPD) of an optical pick-up for an optical recording and playing apparatus having no gain selection switch, a simplified configuration, an improved prevention of an abnormal...
7630152 Optical pickup device, and optical disc device  
A guide shaft and a guide portion movably guide a lens holder for holding a collimator lens (i.e. correction lens) in an optical axis direction. A stepping motor rotates a screw shaft arranged in...
7595472 Optical head device  
An optical head device includes a light source which emits a light beam, an objective lens which condenses the light beam on the optical disk, a condensing lens which condenses reflected light...
7592585 Optical pickup  
The soldered connection of an end portion of a cable extending from each element with a main substrate is prevented from being broken. An end portion of a cable t1 extending from a light source...
7569801 Optical head, optical reproducing apparatus, and optical recording and reproducing apparatus  
An optical head, capable of performing output control for a light source without weakening an intensity of a light beam for recording and reproduction even if an optical element is not added anew,...
7550700 Light-receiving semiconductor device and optical pickup device  
According to an embodiment of the present invention, a semiconductor device used in an optical disk device driving an optical disk, includes: an optical pickup device detecting an optical signal...
7547868 Optical near-field generating apparatus and method and information recording and reproducing apparatus  
An optical near-field generating apparatus includes a conductive scatterer causing an optical near-field based on a surface plasmon to be generated by being illuminated by incident light, and a...
7541564 Optical pickup  
The invention relates to an optical pickup for an optical recording medium, an electrically controlled diffraction grating suitable for use in such a pickup, and to an apparatus for reading from...
7534981 Optical semiconductor device having a shield wire and optical pickup device having a shield wire  
An optical semiconductor device of the present invention includes: a light-receiving element which converts light into an electric signal; an amplifier circuit having an input terminal to which...
7531773 Auto-focus and zoom module having a lead screw with its rotation results in translation of an optics group  
An optical module includes a first optics group, a second optics group, and an image sensor, wherein the first optics group and second optics group are configured to provide an image having a...
7531772 Apparatus for translational displacement of a lens in a laser focussing optical system  
An apparatus is described for automatically shifting a lens of a laser focussing optical system, the lens undergoing translational motion along an optical axis, being moved by at least one motor...
7514661 Focus calibration in an optical drive  
Focus calibration in an optical drive. Optics are moved with respect to a disc in the optical drive. A first interface of the disc is optically detected at a first distance, and a first drive...
7498550 Optical pickup apparatus which records and/or reproduces information using different types of optical information recording mediums  
An optical pickup apparatus for recording and/or reproducing information for an optical information recording medium, comprising a light converging optical system including a coupling lens and an...
7482573 Optical head, optical reproduction apparatus and optical record and reproduction apparatus  
Beams of light emitted from a light source are incident on a polarizer. The direction of a transmission axis of the polarizer can be adjusted in advance such that the polarizer transmits P...
7470879 Optical pickup, information processing apparatus and signal processing method  
An optical pickup for recording or reproducing information to an optical disk, includes: a first photodetector for detecting a return light from the optical disk, wherein the first photodetector...
7435936 Light analyzer device and method for detecting objects utilizing the light analyzer device  
A light analyzer device and a method for detecting objects utilizing the light analyzer device are provided. The light analyzer device includes a focal plane array configured to receive the light...
7435934 Optical pickup apparatus which is compatible with multiple types of media  
An optical pickup apparatus includes a first objective lens having a low numerical aperture (NA) suitable for a low density recording medium, a second objective lens having a high NA suitable for...
7432487 Device for correcting output of optical pickup  
Light receiving elements for receiving a + one-dimensional light divided into four are arranged in the vicinity of a light receiving part for receiving the zero-dimensional light. Some light...
7423246 Analysis apparatus and analysis disc used for the same  
It is an object of the present invention to provide an analysis apparatus which can achieve an image with a proper contrast even from an analysis object on an analysis optical disc. When an image...
7408143 Previous amplifier circuit, light-receiving amplifier circuit, and optical pickup apparatus having grounded emitter amplifier circuits each with a grounded emitter transistor  
A previous amplifier circuit of the present invention includes: a grounded emitter amplifier circuit using a grounded emitter transistor connected to a light receiving device; another grounded...
7405383 Optical pickup device having three light sources with a holographic element for directing diffraction light to photodetectors  
An optical pickup device has three different light sources, a holographic element, beam splitters, and first and second photodetectors. The beam splitters each change an optical path of a light...
7405386 Light receiving device for reading an optical medium with reducing influence of dark current and stray light performance  
Disclosed is a light receiving device for reading an optical medium compliant with any of different standards. The receiving device includes light receiving elements and an amplifier circuit. Each...
7394049 Optical disk apparatus and pickup unit  
An optical disk apparatus includes a light emitting unit, a light detecting unit, a tracking error signal generating unit, and a tracking control unit. The light emitting unit emits a single light...
7394050 Method of vertical deviation disc detection  
A method is provided to detect whether vertical deviation occurs as an optical disc spins in an optical disc player having a pickup head pre-installed in a balanced position at a focal distance....
7378627 Semiconductor light receiving element and optical pick-up device having the semiconductor light receiving element  
A semiconductor light receiving element has: a semiconductor substrate; a plurality of photodiodes formed on the semiconductor substrate and configured to receive respective lights of different...
7358470 Optical pickup  
An optical pickup with a reflective coating device is provided, including a laser diode (LD), an optical element, and a photo detector integrated circuit (PDIC). The LD emits 1-3 lights with...
7348548 Image forming apparatus and image forming method  
A printer has a laser emitter for emitting a laser beam to irradiate a surface of a photosensitive member; a reflector, disposed at a position on a laser beam path defined by the laser emitter and...
7348529 Optical device and optical pickup device  
An optical device diffracts incident light with a hologram element 19 and receives the diffracted light with light receiving regions 20A to 29 on a light receiving element 12. The light receiving...
7345266 Optical medium judging method for avoiding the collision of an objective lens with a disk  
The present invention relates to an optical medium judging method for avoiding the collision of an objective lens with a disk or the failure to judge a warped disk when the optical disk drive...
7319221 Light-receiving device, optical pickup, and optical disc apparatus  
A signal-detecting light-receiving device formed as an integrated circuit, which receives a light beam reflected from an optical recording medium, and which outputs a signal obtained from the...
7301862 Optical disc drive having tilt controlled objective lens and optical disc  
An optical disc drive includes an objective lens for focusing light on an optical disc with five or more stacked data storage layers and a tilt control mechanism for controlling a tilt angle...
7282684 Optical pickup apparatus  
An optical pickup apparatus is provided with a light source device to emit selectively an ordinary polarized light ray and an extraordinary polarized light ray by controlling a polarization...
7276680 Control unit and optical disk drive including the control unit  
An information processing apparatus includes: a converging section for converging light; a shifting section for shifting the focus of the light by moving the converging section perpendicularly to...