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Mitsuhiro Okazaki, Saitama-Shi JP

Mitsuhiro Okazaki, Saitama-Shi JP

Patent application numberDescriptionPublished
20090206698Vibration device, antidust device, camera, vibration device inspection method, method for manufacturing vibration device and vibration method - A vibration device comprising; a vibrator which generates bending vibration on a predetermined member, a controller which controls a driver to drive the vibrator, wherein; the vibrator comprises a plurality of driving electrodes electrically insulated respectively, the controller controls the driver to make phases of driving signals respectively output to the plurality of driving electrodes changeable relatively and adjust an order of the bending vibration.08-20-2009
20090257123Image device and optical device - An imaging device comprises a quartz crystal plate including a quartz crystal of crystal structure having a first axis and a second axis vertical to the first axis, said quartz crystal plate being provided as facing to an image pickup element taking an image from an optical system, and a vibration member provided on a surface of said quartz crystal plate crossing an optical axis of said optical system so as to vibrate said quartz crystal plate, wherein; 10-15-2009
20110007393Optical Device, Optical Equipment and Method for Manufacturing Optical Device - An optical device comprises a substrate provided with an insulation portion transmitting light, a first electrode and a second electrode transmitting light provided at said substrate sandwiching said insulation portion, and an output circuit to output voltage to said first electrode and second electrode so as to change an electric field of a surface of said substrate, wherein said first and second electrodes comprise main component which is identical with said insulation portion, and an electric resistivity is lower with respect to said insulation portion.01-13-2011
20110096206Image Pickup Apparatus - An image pickup apparatus includes: a first sound-collection unit that detects an ambient sound and outputs first sound information; a second sound-collection unit other than the first sound-collection unit that detects the sound and outputs second sound information; and a signal processing unit that generates a sound signal corresponding to the sound by eliminating a common noise signal included in the first sound information and the second sound information based on the first sound information and the second sound information.04-28-2011
20110205385SIGNAL PROCESSING APPARATUS AND IMAGING APPARATUS - A signal processing apparatus includes a signal transforming unit transforming a first sound signal obtained by dividing a sound signal represented by a time function and by the predetermined time width into a second sound signal represented by a frequency function; a calculating unit determining a third sound signal which has a reduced influence of the operation sound by using the second sound signal and a sound signal representing the operation sound; a correcting unit performing a correction, by setting a sound signal representing the target sound as a reference signal, on the third sound signal based on the reference signal; and a signal inverse transforming unit inverse-transforming a sound signal on which the correction is performed from the sound signal represented by the frequency function into the sound signal represented by the time function.08-25-2011
20110234821IMAGING DEVICE - The timing when the operation state of an operation unit is changed is detected by a timing detection unit. A difference between a sound signal on which operation sound is superimposed or is highly likely to be superimposed and a sound signal on which operation sound is not superimposed is calculated based on the timing signal to obtain the operation sound information of the operation unit.09-29-2011
20110234848Sound recording device, imaging device, photographing device, optical device, and program - A sound recording device includes an input unit, a timing detection unit, a section setting unit that sets a first section including a section in which an operation unit operates in a sound signal, a reference signal determination unit that determines, as a first reference signal, the sound signal corresponding to a second section following the first section, a signal detection unit that detects, as a second reference signal, a sound signal with the highest correlation with the first reference signal, an interpolation signal detection unit that detects, as an interpolation signal, a sound signal that follows the second reference signal detected by the signal detection unit in the sound signal and has the same time length as the first section, a signal replacement unit that replaces the sound signal in the first section with the interpolation signal, and a recording unit that records the sound signal replaced by the signal replacement unit.09-29-2011
20110254979IMAGING APPARATUS, SIGNAL PROCESSING APPARATUS, AND PROGRAM - An imaging apparatus includes a microphone that converts a sound signal into an electrical signal, a detector that detects at least one of a sensor signal output from an operation sensor detecting an operation of an imaging unit that takes an optical image obtained by an optical unit and a control signal output from an operation unit that controls the operation of the imaging unit, a determination unit that determines a state of operation of the imaging unit based on at least one of the sensor signal and the control signal, a memory unit that stores a first electrical signal output from the microphone as a noise signal when a signal ratio of the first electrical signal and a second electrical signal is equal to or greater than a predetermined threshold value, and a noise reduction unit that reduces a noise of the electrical signal.10-20-2011

Patent applications by Mitsuhiro Okazaki, Saitama-Shi JP