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Patent # Description
US-7,995,309 Magnetic recording medium, magnetic signal reproduction method and magnetic signal reproduction system
The present invention relates to a magnetic recording medium comprising a magnetic layer comprising a ferromagnetic powder and a binder on one surface of a...
US-7,995,308 Magnetic head for perpendicular magnetic recording and method of manufacturing same, the magnetic head incuding...
A magnetic head incorporates: a medium facing surface; a coil; a pole layer; first and second shields disposed to sandwich the pole layer therebetween; a first...
US-7,995,307 Perpendicular magnetic recording write head with trailing shield having throat height defined by electroplated...
A perpendicular magnetic recording write head has a magnetic write pole (WP) and a trailing shield (TS). The TS has a height (TS-HT) and a throat height (TS-TH)...
US-7,995,306 Shaft, hydrodynamic bearing device, spindle motor, and recording and reproducing apparatus
According to the present invention, when processing shafts in a centerless grinding machine, engagement between the shafts is prevented without rearranging the...
US-7,995,305 Calibrating voice coil motors
Methods, systems, and apparatus, including computer program products, are described for calibrating voice coil motors. In one aspect, a method is provided that...
US-7,995,304 Circuits that use a postamble signal to determine phase and frequency errors in the acquisition of a preamble...
In a servo control loop, phase detection between a clock signal and servo burst fields on a movable storage media is carried out with compensation for phase...
US-7,995,303 Overhead calculation in writing synchronized data to magnetic tape
Various embodiments for writing received synchronized data to magnetic tape having a plurality of wraps using a magnetic tape drive adapted for performing the...
US-7,995,302 Disk drive device and control method of unloading corresponding to fall detection in disk drive device
Embodiments of the present invention improve the safety against a fall of a disk drive device. In one embodiment, when an HDD has recognized detection result...
US-7,995,301 Method and apparatus for determining a location of a defect on a storage medium
A defect is detected on a storage medium of a disk drive. A location of the defect is determined, within a smallest addressable unit of data stored on the...
US-7,995,300 Detection of defective tape drive by aggregating read error statistics
A plurality of tape drives writes a plurality of indicators corresponding to a plurality of data units on a tape, wherein an indicator indicates which tape...
US-7,995,299 Magnetic recording medium evaluation apparatus and evaluation method
This invention provides a magnetic recording medium evaluation apparatus and evaluation method which yield results having good correlation with error rate...
US-7,995,298 Illumination system
An illumination system including at least one coherent light source, a light uniforming element, and a prism is provided. The coherent light source is capable...
US-7,995,297 Piezoelectric driving module, camera module using same and portable electronic device using same
An exemplary piezoelectric driving module includes a movable barrel, a fixed barrel receiving the movable barrel, a piezoelectric actuator, and a spring member....
US-7,995,296 Replacement apparatus for an optical element
A replacement apparatus for an optical element mounted between two adjacent optical elements in a lithography objective has a holder for the optical element to...
US-7,995,295 Lens module fixing device
A lens module fixing device for fixing lens module is disclosed. The lens module fixing device includes a fixing tray, a transparent and an air pumping device....
US-7,995,294 Imaging lens
It is to provide an imaging lens that can improve optical performance while reducing size and weight. An imaging lens includes, in order from an object side to...
US-7,995,293 Image pickup lens, image pickup apparatus, mobile terminal, method for manufacturing image pickup lens, and...
An image pickup lens includes: a first lens block with a positive power and a second lens block. The first lens block includes a first lens substrate, a lens...
US-7,995,292 Image pickup lens and image pickup apparatus
An image pickup lens includes, in order from an object side, a first lens element having a positive refractive power and a convex surface facing the object...
US-7,995,291 Image reading lens system and image reading apparatus
An image reading lens system of Example 1 includes six lenses having first to sixth lenses being arranged in order from an object side and an aperture...
US-7,995,290 Objective lens, optical pickup device, and optical recording/reproducing apparatus
An objective lens for converging light emitted from a light source on an optical recording medium to record and reproduce information consists of a single lens...
US-7,995,289 Lens drive device
A lens drive device may include a fixed body, a movable body having a lens, a magnetic drive mechanism for magnetically driving the movable body in a lens...
US-7,995,288 Zoom dial mechanism
A zoom dial mechanism includes a zoom dial mounted on a base plate so as to extend through a central hole of the base plate and so as to be turnable, a coil...
US-7,995,287 Lens barrel and imaging apparatus
A lens barrel includes: a lens holding frame holding a lens; a barrel body housing the lens holding frame; motion conversion means for converting rotary motion...
US-7,995,286 Zoom lens and image pickup apparatus including the same
A zoom lens includes first to fourth lens units in order from the object side to the image side. The first, third, and fourth lens units have a positive...
US-7,995,285 Imaging apparatus
An imaging apparatus includes a first lens has a positive refractive power, a second lens has a positive refractive power, a third lens has a negative...
US-7,995,284 Zoom lens and image pickup apparatus
A zoom lens includes: a first lens group having a positive refracting power; a second lens group having a negative refracting power; a third lens group having a...
US-7,995,283 Zoom lens and optical apparatus including zoom lens
Provided is a zoom lens in which both higher-order components of distortion and lateral chromatic aberration are corrected in a retrofocus type optical system....
US-7,995,282 Anamorphic optical system
A pair of optical prisms arranged in a complementary relationship provides for anamorphic magnification and cooperates with a refractive or diffractive...
US-7,995,281 Wide-angle objective lens system and camera
A vehicle camera and wide-angle objective lens system are disclosed wherein the wide-angle objective lens has image aberrations or errors that do not...
US-7,995,280 Projection exposure system, beam delivery system and method of generating a beam of light
A beam delivery system of a projection exposure system comprises a laser generating a beam of laser light from a plurality of longitudinal laser modes in a...
US-7,995,279 Color light combiner
For combining light from different light sources that are spatially apart, an optical system comprises a prism assembly that comprises a ...
US-7,995,278 Methods of forming sheeting with composite images that float and sheeting with composite images that float
Microlens sheetings with different types of composite images are disclosed, in which the composite image floats above, in, or below the sheeting, or some...
US-7,995,277 Apparatus for controlling energy through a skylight
An apparatus for controlling energy from a skylight of a structure including a plurality of vanes positioned beneath the skylight and angularly adjustable to...
US-7,995,276 Laminated half-wave plate, polarizing converter, polarized light illumination device and light pickup device
A first and a second wave plates using quartz crystal having birefringence are laminated together in such a manner that their optical axes intersect to form a...
US-7,995,275 Polarization conversion element, polarization conversion optical system and image projecting apparatus
A polarization conversion element having plural polarization separation sections and plural phase modulation sections is disclosed. A light flux is separated...
US-7,995,274 Electric projector screen
An electric projector screen is revealed. A linkage member is sleeved in a winding tube in a fixed seat and a locator is fixed on the winding tube. An interlock...
US-7,995,273 Dual projection screen structure
An integral, dual projection screen structure for displaying an image from a projection source. The projection screen structure comprises a frame; a fixed...
US-7,995,272 Fixed focus microscope objective lens
A fixed focus microscope objective lens designed for high magnification viewing of homogenous specimens. The fixed focus microscope objective comprises a last...
US-7,995,271 Laser microscope with negative dispersion optical system
A laser microscope is provided which includes a laser light source, a first optical fiber through which the ultrashort pulse laser light propagates while being...
US-7,995,270 Microchip--Yb fiber hybrid optical amplifier for micro-machining and marking
The invention describes techniques for the control of the spatial as well as spectral beam quality of multi-mode fiber amplification of high peak power pulses...
US-7,995,269 Cost effective optical transmission with fast raman tilt transient control
A method for cost-effective optical transmission with fast Raman tilt or other transient event control uses a combination of Erbium-doped fiber amplifiers...
US-7,995,267 Wavelength converter manufacturing method and wavelength converter
Affords a wavelength converter manufacturing method and a wavelength converter whereby the transmissivity can be improved. A method of manufacturing a...
US-7,995,266 Particles for display media and information display panel
Particles for display media are constructed as spherical resin fine particles, in which functional groups indicating positively-charging properties are existent...
US-7,995,265 Interferometric modulators having charge persistence
An interferometric modulator is formed having a dielectric with charge persistence. The interferometric modulator is addressed by a method making advantageous...
US-7,995,264 System and method for actuation of spatial light modulators
A system comprises a spatial light modulator comprising a plurality of modulation elements, the spatial light modulator operable to receive an optical signal...
US-7,995,263 Transmission and reflection dual operational mode light processing device
A spatial light modulator suitable for flat panel displays and methods of making the modulators are disclosed. The light modulator comprises a light separator,...
US-7,995,262 Electrochromic display device
Disclosed is an electrochromic display device comprising: a first substrate; a first electrode; a second substrate; a second electrode; and an electrochromic...
US-7,995,261 Electromechanical display and backlight
Electromechanical light modulators and backlight providing efficient, low cost and high performance displays.
US-7,995,260 Light scanning device and image forming apparatus
A light scanning device is provided. The light scanning device includes: an oscillating mirror which oscillates rotationally and reflects a light beam to be...
US-7,995,259 Optical pattern generator using a single rotating optical component with ray-symmetry-induced image stability
An optical pattern generator uses a rotating component that includes a number of deflection sectors containing optical elements. Each sector deflects an...
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