Patent application number | Description | Published |
20120243369 | SUBJECT INFORMATION ACQUISITION APPARATUS AND SUBJECT INFORMATION ACQUISITION METHOD - A subject information acquisition apparatus includes: an acoustic wave detector which detects an acoustic wave which is generated from a subject by irradiating light and outputs a detection signal; an amplifier which amplifies the detection signal which is output from the acoustic wave detector; a gain control unit which changes a gain of the amplifier as time elapses, according to a gain control table, in order to correct a drop in intensity of the acoustic wave caused by attenuation of fluence inside the subject; and a signal processing unit which obtains information inside the subject based on the signal amplified by the amplifier. Measurement under a plurality of measurement conditions, where at least fluence distribution inside the subject or a position of the acoustic wave detector differs, is possible, and the gain control unit changes the gain control table according to the measurement conditions. | 09-27-2012 |
20120296192 | PHOTOACOUSTIC IMAGING APPARATUS AND PHOTOACOUSTIC IMAGING METHOD - The present invention provides a photoacoustic imaging apparatus, having: a light source; a plurality of detecting elements for detecting an acoustic wave generated from a surface of an object and a light absorber inside the object, and converting the acoustic wave into a detection signal; and a signal processor for generating image data based on detection signals detected, wherein the signal processor has: a Fourier transformer for performing Fourier transform, in a spatial direction, on the signals detected at a same receiving time so as to obtain spatial frequency signals; and an inverse-Fourier transformer for performing inverse Fourier-transform after reducing components exhibiting less than a predetermined frequency from among the spatial frequency signals so as to obtain second signals, the signal processor generating image data using the second signals. | 11-22-2012 |
20120302866 | PHOTOACOUSTIC IMAGING APPARATUS AND PHOTOACOUSTIC IMAGING METHOD - A photoacoustic imaging apparatus includes a detector that outputs detection signals by detecting acoustic waves generated at surfaces and an inner portion of a sample by irradiating the sample with light; and a signal processing unit that generates image data using the detection signal. The signal processing unit calculates an average sound speed in the inner portion of the sample by using the detection signal of the acoustic wave generated at the surface of the sample and propagated through the inner portion of the sample, and generates the image data using the average sound speed and the detection signal of the acoustic wave generated at the inner portion of the sample. | 11-29-2012 |
20130245420 | SUBJECT INFORMATION ACQUIRING DEVICE AND SUBJECT INFORMATION ACQUIRING METHOD - A subject information acquiring device which has: an light absorbing member provided outside a subject; a light source radiating pulsed light on the subject and the light absorbing member; a detector detecting an acoustic wave produced from the subject and the light absorbing member by means of the pulsed light; and a signal processing unit acquiring subject information using a detection signal, and the signal processing unit calculates a second detection signal by specifying a signal resulting from an acoustic wave produced from the light absorbing member in a first detection signal, acquiring impulse response data using the specified signal, and deconvoluting the first detection signal using the impulse response data, and acquires the subject information using the second detection signal, can reduce image deterioration due to probe characteristics even when an impulse response of a probe is not measured in advance in a photoacoustic tomography. | 09-19-2013 |
20140018659 | OBJECT INFORMATION ACQUIRING APPARATUS AND OBJECT INFORMATION ACQUIRING METHOD - An object information acquiring apparatus, comprising: a plurality of detecting elements which detect an acoustic wave generated from an object irradiated with light and convert the acoustic wave into detection signals; a signal determining unit which determines a detection signal detected by a detecting element which is not in acoustic contact with the object, of the plurality of detecting elements; a signal acquisition unit which generates a corrected detection signal by deleting at least a region which is not based on an acoustic wave generated from the interior of the object, from the determined detection signal; and an image processor which forms image data of the object from a detection signal detected by a detecting element which is in acoustic contact with the object and from the corrected detection signal. | 01-16-2014 |
20140046165 | SPECIMEN INFORMATION ACQUISITION APPARATUS AND METHOD THEREFOR - There is provided a specimen information acquisition apparatus that can obtain an image in which an influence of a local fluence distribution in a specimen is reduced. A signal processing apparatus includes a region extraction unit and an optical constant estimation unit. The region extraction unit extracts two or more regions that have a known absorption coefficient, from an optical characteristic value distribution of the specimen. The optical constant estimation unit estimates an optical constant of a background of the specimen by using optical characteristic values of the two or more regions extracted by the region extraction unit and a local fluence distribution obtained from an optical constant which is set in advance for the specimen background. | 02-13-2014 |
20140058245 | MEASURING APPARATUS - A measuring apparatus is provided including a holding unit holding an object, an acoustic detecting unit including at least one detector which receives, via the holding unit, an acoustic wave generated from the object to which light is irradiated and converts the acoustic wave into an electrical signal, and a processor which generates image data of the object by using the electrical signal based on the acoustic wave received by the acoustic detecting unit at first and second measurement locations, wherein the acoustic detecting unit is arranged so as to form an overlapped area that is thicker than the object in a normal direction of an interface between the holding unit and the object as a result of the effective receiving areas of the detector in the first and second measurement locations overlapping in the object. | 02-27-2014 |
20140066744 | OBJECT INFORMATION ACQUIRING APPARATUS - An object information acquiring apparatus according to the present invention has: a light source emitting light; a holding member holding an object; a probe receiving an acoustic wave, generated by the object when the light is irradiated on the object via the holding member, and outputting a received signal; and a signal processor acquiring information extracted from the object by using the received signal, wherein a region of the holding member that comes into contact with the object is configured as a non-uniform region that is a region where a normal direction of a tangential plane between the holding member and the object is not constant. | 03-06-2014 |
20140235993 | OBJECT INFORMATION ACQUIRING APPARATUS AND CONTROL METHOD THEREFOR - An object information acquiring apparatus includes a probe configured to detect a photoacoustic wave generated from an object irradiated with light, a signal collector configured to generate a first detection signal from the photoacoustic wave, a signal processor configured to generate, from the first detection signal, a second detection signal in which a component having a phase inverted from the phase of a component deriving from the photoacoustic wave is reduced, by using a differential signal of an impulse response of the probe, and an image generator configured to generate image data on the inside of the object using the second detection signal. | 08-21-2014 |
20140286549 | OBJECT INFORMATION ACQUIRING APPARATUS AND CONTROL METHOD THEREOF - Provided is an object information acquiring apparatus having: a light source; a probe that converts an acoustic wave generated from an object, onto which light is irradiated from the light source, into a detection signal; and a signal processor that obtains characteristic information inside the object based on the detection signal, wherein the signal processor obtains the characteristic information using information regarding a characteristic structure of a measurement target inside the object. | 09-25-2014 |
20140360271 | OBJECT INFORMATION ACQUIRING APPARATUS AND METHOD OF CONTROLLING OBJECT INFORMATION ACQUIRING APPARATUS - An object information acquiring apparatus comprises a light irradiation unit that irradiates an object with light; an acoustic probe that receives an acoustic wave generated within the object; a first data processing unit that generates a first image representing information within the object, on the basis of an acoustic wave received by the acoustic probe; a template acquisition unit that divides the first image into a plurality of regions on the basis of a spatial resolution within the image, and acquires a plurality of pieces of template data according to characteristics of each region after division; and a second data processing unit that performs deconvolution processing using corresponding template data with respect to each of the regions after division to generate a second image. | 12-11-2014 |
20150049581 | OBJECT INFORMATION ACQUISITION APPARATUS, OBJECT INFORMATION ACQUISITION METHOD AND PROGRAM - An object information acquisition apparatus includes: a plurality of acoustic wave detecting elements configured to detect an photoacoustic wave generated when an object is irradiated with light and output time-series detection signals; a member disposed outside the object; and a signal processing unit configured to acquire optical property information inside the object by performing image reconstruction through iterative reconstruction method in accordance with the time-series detection signals and an operand for which a response of the photoacoustic wave deriving from the member has been considered. | 02-19-2015 |
20150182125 | PHOTOACOUSTIC APPARATUS, SIGNAL PROCESSING METHOD, AND PROGRAM - An apparatus includes a receiving unit configured to receive a photoacoustic wave that is generated when an object is illuminated with light and to output a time-series received signal, and a processing unit configured to acquire object information by performing a reconstruction process on the time-series received signal using a specific speed of sound, wherein in the reconstruction process, the processing unit converts a reception time of the time-series received signal to a reception time normalized with respect to the specific speed of sound. | 07-02-2015 |
20150182126 | PHOTOACOUSTIC APPARATUS, SIGNAL PROCESSING METHOD, AND PROGRAM - An apparatus includes a receiving unit configured to receive a photoacoustic wave that is generated when an object is illuminated with light and to output a first time-series received signal, and a processing unit configured to acquire object information using the first time-series received signal, wherein the processing unit acquires a second time-series received signal whose reception time is normalized with respect to the specific speed of sound by resampling part of the first time-series received signal, and acquires the object information using the second time-series received signal and the specific speed of sound. | 07-02-2015 |
Patent application number | Description | Published |
20100258535 | STEEL PIPE MATERIAL WELD ZONE HEATING APPARATUS AND METHOD - This invention provides a steel pipe material weld zone heating method and apparatus for melting and welding the weld zone of a steel pipe material that during continuous induction heating and welding of moving steel pipe material as the material being heated controls temperature distribution and molten steel shape and weld frequency fluctuation with high accuracy and high efficiency, irrespective of the shape of the heated region of material being heated or the material properties of the material being heated, which comprises a first imaging step in which first imaging means | 10-14-2010 |
20120019188 | INDUCTION MOTOR CONTROL DEVICE AND INDUCTION MOTOR GROUP CONTROL SYSTEM - In an induction motor group control system, magnetic energy recovery switches ( | 01-26-2012 |
20120305547 | CONTROL UNIT OF INDUCTION HEATING UNIT, INDUCTION HEATING SYSTEM, AND METHOD OF CONTROLLING INDUCTION HEATING UNIT - A control unit of an induction heating unit controls AC power output to a heating coil of a transverse type induction heating unit that allows an alternating magnetic field to intersect a sheet surface of a conductive sheet that is being conveyed to inductively heat the conductive sheet. The control unit includes: a magnetic energy recovery switch that outputs AC power to the heating coil; a frequency setting unit that sets an output frequency in response to at least one of the relative permeability, resistivity, and sheet thickness of the conductive sheet; and a gate control unit that controls a switching operation of the magnetic energy recovery switch on the basis of the output frequency set by the frequency setting unit. | 12-06-2012 |
20160100458 | CONTROL UNIT OF INDUCTION HEATING UNIT, INDUCTION HEATING SYSTEM, AND METHOD OF CONTROLLING INDUCTION HEATING UNIT - A control unit of an induction heating unit controls AC power output to a heating coil of a transverse type induction heating unit that allows an alternating magnetic field to intersect a sheet surface of a conductive sheet that is being conveyed to inductively heat the conductive sheet. The control unit includes: a magnetic energy recovery switch that outputs AC power to the heating coil; a frequency setting unit that sets an output frequency in response to at least one of the relative permeability, resistivity, and sheet thickness of the conductive sheet; and a gate control unit that controls a switching operation of the magnetic energy recovery switch on the basis of the output frequency set by the frequency setting unit. | 04-07-2016 |
20160100459 | CONTROL UNIT OF INDUCTION HEATING UNIT, INDUCTION HEATING SYSTEM, AND METHOD OF CONTROLLING INDUCTION HEATING UNIT - A control unit of an induction heating unit controls AC power output to a heating coil of a transverse type induction heating unit that allows an alternating magnetic field to intersect a sheet surface of a conductive sheet that is being conveyed to inductively heat the conductive sheet. The control unit includes: a magnetic energy recovery switch that outputs AC power to the heating coil; a frequency setting unit that sets an output frequency in response to at least one of the relative permeability, resistivity, and sheet thickness of the conductive sheet; and a gate control unit that controls a switching operation of the magnetic energy recovery switch on the basis of the output frequency set by the frequency setting unit. | 04-07-2016 |
Patent application number | Description | Published |
20090056143 | HAIR-CLIPPER - A hair-clipper comprising a stationary blade having a main body provided with a plurality of comb projections having blades formed at their both sides, and a movable blade that has a main body having a plurality of comb projections having blades formed at their both sides and that comes into slide contact with the stationary blade, wherein the comb projections of the stationary blade include a skin-contact surface which abuts against a skin, and a slide surface with which the comb projections of the movable blade come into slide contact, the main body of the stationary blade includes an opposed surface which is opposed to a plane including the skin-contact surface, and a shortest distance between the opposed surface and the plane including the skin-contact surface is equal to or greater than a distance between the plane including the skin-contact surface and the comb projection of the movable blade. | 03-05-2009 |
20090320296 | HAIR TRIMMER BLADE UNIT - A hair trimmer blade unit includes a stationary blade and a movable blade, which includes movable blade pieces. Each movable blade piece includes a basal blade edge portion and a distal catch portion. The basal blade edge portion extends along a line inclined so that as the distal end of the movable blade piece become closer, the distance from the adjacent movable blade piece increases. The distal catch portion extends toward the adjacent movable blade piece from the line. The blade edge of each movable blade piece includes a saw-toothed portion formed so that as the distal end of the corresponding movable blade piece becomes closer, the distance from the adjacent movable blade pieces decreases in plural steps. | 12-31-2009 |
20110179648 | ELECTRIC SHAVER - An electric shaver includes: a main body; an outer blade provided to an end of the main body and having a blade hole defined by a bar; and an inner blade provided inward of the outer blade and configured to reciprocate in a longitudinal direction of the outer blade to cut hair in the blade hole with the outer blade. The bar has a hair raising portion coming in contact with hair upon movement of the outer blade on a skin surface to raise hair up from the skin surface. A contact pressure on the skin surface to be exerted by the outer blade in a first portion of the outer blade is greater than that in a second portion of the outer blade. Hair raising performance in raising hair up from the skin surface in the first portion is smaller than hair raising performance in the second portion. | 07-28-2011 |
Patent application number | Description | Published |
20110243769 | MOTOR-DRIVEN COMPRESSOR - A motor-driven compressor includes a connector to which a first and second conductors are connected, and a connector case receiving the connector. The connector case includes a first case member and a second case member. A seal member is provided between the first and second case members. The first case member has a first sealing surface extending along the periphery of the first case member. The second case member has a second sealing surface extending along the periphery of the second case member and facing the first sealing surface. The seal member includes a main seal portion for sealing between the first sealing surface and the second sealing surface. The main seal portion has a first peripheral seal portion for sealing the periphery of the first conductor inserted therethrough and has a second peripheral seal portion for sealing the periphery of the second conductor inserted therethrough. | 10-06-2011 |
20110243777 | SCROLL COMPRESSOR - [Object] To provide a scroll compressor capable of improving compression efficiency.
| 10-06-2011 |
20120230849 | MOTOR-DRIVEN COMPRESSOR AND MOUNTING METHOD FOR MOTOR-DRIVEN COMPRESSOR - A stator core includes an insertion hole that has an opening in an outer peripheral surface of the stator core and a bent portion in the stator core. A cluster block includes an insertion piece, which is inserted into the insertion hole via the cornered portion. The cluster block is attached to the stator core by engaging the insertion piece with the insertion hole. | 09-13-2012 |
20130330217 | MOTOR-DRIVEN COMPRESSOR - A motor-driven compressor includes a compression unit, an electric motor, a housing that includes an accommodating chamber and a wiring connection port, a motor driving circuit that includes a substrate arranged in the accommodating chamber, wiring electrically connected to the substrate and extending out of the housing through the wiring connection port, and a resin sealing member fitted to the wiring connection port. The wiring includes a primary conductor, which has a first end connected to the substrate and a second end, and a secondary conductor, which is connected to the second end of the primary conductor and arranged outside the housing. The secondary conductor includes a wire portion and a sheath that is made of an insulating material and covers the wire portion. The sealing member covers the sheath and a junction between the primary conductor and the secondary conductor. | 12-12-2013 |
20150192127 | MOTOR-DRIVEN COMPRESSOR - A motor-driven compressor includes suction, discharge, and intermediate pressure housings. The accommodation housing includes a compression mechanism, which compresses refrigerant, and injection ports, which deliver intermediate pressure refrigerant to the compression mechanism from an external refrigerant circuit. The compressed refrigerant is discharged into the discharge housing. The intermediate pressure housing includes an intake port, which draws in the intermediate pressure refrigerant, an accommodation recess, which is connected to the intake port, and supply passages, which connect the accommodating recess to the injection ports. The accommodation recess accommodates the valve mechanism. The valve mechanism includes a valve plate, which has a valve hole that connects the intake port and the supply passages, and a reed valve formation plate including a reed valve, located between the valve plate and the supply passages, to open and close the valve hole. | 07-09-2015 |