Patent application number | Description | Published |
20100271001 | ELECTROMAGNETIC WAVE MEASURING APPARATUS, MEASUREMENT METHOD, A PROGRAM, AND A RECORDING MEDIUM - According to the present invention, the CT is carried out based on parameters other than the absorption rate. An electromagnetic wave measurement device includes an electromagnetic wave output device | 10-28-2010 |
20100271056 | CONTAINER, A METHOD FOR DISPOSING THE SAME, AND A MEASUREMENT METHOD - The present invention restrains adverse effects caused by refraction of a terahertz wave by a device under test when the terahertz wave is fed to the device under test for measurement. A container | 10-28-2010 |
20100294934 | LIGHT MEASUREMENT APPARATUS AND A TRIGGER SIGNAL GENERATOR - The present invention can restrain a jitter from being generated in a measurement result of light such as terahertz light which has transmitted through a device under test. A trigger signal generation device includes a first photoelectric conversion unit that applies photoelectric conversion to a probe light pulse, a second photoelectric conversion unit that applies photoelectric conversion to a pump light pulse, a first amplification unit that amplifies an output from the first photoelectric conversion unit, a second amplification unit that amplifies an output from the second photoelectric conversion unit, a trigger signal output unit that outputs a cross-correlation of outputs of the first amplification unit and the second amplification unit as a trigger signal, and a period difference adjustment unit that adjusts a difference in period between a period T | 11-25-2010 |
20100295534 | ELECTROMAGNETIC WAVE MEASURING APPARATUS, MEASURING METHOD, PROGRAM, AND RECORDING MEDIUM - According to the electromagnetic wave measurement device of the present invention, an electromagnetic wave output device outputs an electromagnetic wave having a frequency equal to or more than 0.01 [THz] and equal to or less than 100 [THz] toward a device under test. An electromagnetic wave detector detects the electromagnetic wave which has transmitted through the device under test. A relative position changing unit changes a relative position of an intersection across which an optical path of the electromagnetic wave transmitting through the device under test and the device under test intersect with respect to the device under test. A characteristic value deriving unit derives a characteristic value of the electromagnetic wave based on a detection result of the electromagnetic wave detector while the characteristic value is associated with an assumed relative position which is the relative position if it is assumed that the electromagnetic wave is not refracted by the device under test. A first association correction unit changes the assumed relative position to an actual relative position, which is the relative position if the refraction of the electromagnetic wave by the device under test is considered, thereby associating the result derived by the characteristic value deriving unit with the actual relative position. A corrected characteristic value deriving unit that derives the characteristic value associated with a predetermined relative position based on an output from the first association correction unit. | 11-25-2010 |
20110001048 | ELECTROMAGNETIC WAVE MEASURING APPARATUS, MEASURING METHOD, PROGRAM, AND RECORDING MEDIUM - According to the present invention, an electromagnetic wave measurement device includes an electromagnetic wave output device, an electromagnetic wave detector, a relative position changing unit, a delay period recording unit, a phase deriving unit, a delay-corrected phase deriving unit, a sinogram deriving unit, and an image deriving unit. The electromagnetic wave output device outputs an electromagnetic wave having a frequency equal to or more than 0.01 [THz] and equal to or less than 100 [THz] toward a device under test and a container storing at least a part of the device under test. The electromagnetic wave detector detects the electromagnetic wave which has transmitted through the device under test. The relative position changing unit changes a relative position of an intersection at which an optical path of the electromagnetic wave transmitting through the device under test and the device under test intersect with respect to the device under test. The delay period recording unit records a delay period of the electromagnetic wave caused by a transmission of the electromagnetic wave through the container. The phase deriving unit that derives, based on a detected result by the electromagnetic wave detector, a phase in the frequency domain of the electromagnetic wave which has transmitted through the device under test. The delay-corrected phase deriving unit that derives a delay-corrected phase obtained by subtracting an integral of the delay period with respect to the frequency from the phase. The sinogram deriving unit that derives a sinogram based on a derived result by the delay-corrected phase deriving unit. The image deriving unit derives, based on the sinogram, an image of a cross section of the device under test including the intersection. | 01-06-2011 |
20110170875 | SIGNAL OUTPUT DEVICE, AND OUTPUT APPARATUS OF SIGNAL SOURCE OF SIGNALS AND OF LASER BEAM PULSES - A frequency converter includes a first direct digital synthesizer that receives a signal having a predetermined frequency f_master as a clock signal and further an internal frequency setting signal, and outputs an internal signal having a frequency based on the internal frequency setting signal, and a second direct digital synthesizer that receives the internal signal as a clock signal, and further an output frequency setting signal, and outputs an output signal having a frequency f_slave (=f_master−Δ) based on the output frequency setting signal. A difference between the predetermined frequency f_master and the frequency of the internal signal is larger than a difference between the predetermined frequency f_master and the frequency f_slave of the output signal. | 07-14-2011 |
20120155500 | REPETITION FREQUENCY CONTROL DEVICE - A repetition frequency control device includes a slave photoelectric conversion unit which converts a slave laser light pulse into a slave electrical signal, a master photoelectric conversion unit which converts a master laser light pulse into a master electrical signal, a frequency change unit which changes the repetition frequency of the master electric signal by a predetermined value, a phase comparator which detects a phase difference between the slave electric signal and the output from the frequency change unit, and a loop filter which removes a high frequency component of an output from the phase comparator, where the repetition frequency of the master laser does not undergo control based on one or both of the master electric signal and the slave electric signal. | 06-21-2012 |
20120163404 | REPETITION FREQUENCY CONTROL DEVICE - According to the repetition frequency control device, a master laser outputs a master laser light pulse the repetition frequency of which is controlled to a predetermined value. A slave laser outputs a slave laser light pulse. A reference comparator compares a voltage of a reference electric signal the repetition frequency of which is the predetermined value and a predetermined voltage with each other, thereby outputting a result thereof. A measurement comparator compares a voltage based on a light intensity of the slave laser light pulse and the predetermined voltage with each other, thereby outputting a result thereof. A phase difference detector detects a phase difference between the output from the reference comparator and the output from the measurement comparator. A loop filter removes a high-frequency component of an output from the phase difference detector. | 06-28-2012 |
20120286797 | ELECTROMAGNETIC WAVE MEASUREMENT DEVICE, MEASUREMENT METHOD, AND RECORDING MEDIUM - According to the present invention, an electromagnetic wave measurement device includes an electromagnetic wave output device, an electromagnetic wave detector and a measurement unit. The electromagnetic wave output device outputs an electromagnetic wave having a frequency equal to or more than 0.01 [THz] and equal to or less than 100 [THz] toward a device under test including at least two layers, and the electromagnetic wave detector detects reflected electromagnetic waves which are the electromagnetic waves reflected by the respective at least two layers. The measurement unit measures the device under test based on one or both of extreme values of electric fields of the respective reflected electromagnetic waves and a time difference between timings in which the electric fields of the respective reflected electromagnetic waves take the extreme values. | 11-15-2012 |
20130075597 | ELECTROMAGNETIC WAVE DETECTION DEVICE - According to the present invention, an electromagnetic wave detection device includes an optical waveguide, an electromagnetic wave input unit, and a phase difference measurement unit. According to the thus constructed electromagnetic wave detection device, an optical waveguide is a nonlinear crystal, and includes a branching portion for receiving a probe light pulse, and causing the probe light pulse to branch into two beams of branching light, and two branching light transmission portions for receiving the branching light from the branching portion, and transmitting the branching light. An electromagnetic wave input unit inputs an electromagnetic wave having a frequency equal to or more than 0.01 [THz] and equal to or less than 100 [THz] tilted by an angle generating Cherenkov phase matching with respect to a travel direction of the branching light into one of the two branching light transmission portions. | 03-28-2013 |
20130126736 | SPREAD ANALYSIS DEVICE FOR LUBRICANT, METHOD, AND RECORDING MEDIUM - An electromagnetic wave output device outputs an electromagnetic wave. An optical element has a total reflection surface for totally reflecting the electromagnetic wave, and causes the device under test to receive an evanescent wave generated from the total reflection surface. An electromagnetic wave detector detects the electromagnetic wave, and a spectrum deriver derives a reflectance of the electromagnetic wave on the total reflection surface or a value based on the reflectance based on a detection result by the electromagnetic wave detector while the reflectance or the value based on the reflectance is associated with the frequency of the electromagnetic wave and a manufacturing condition of the particle or the device under test. A characteristic extractor extracts a characteristic based on the manufacturing condition from a derived result by the spectrum deriver. | 05-23-2013 |
20130240736 | ELECTROMAGNETIC WAVE MEASURING APPARATUS, MEASURING METHOD, PROGRAM, AND RECORDING MEDIUM - An electromagnetic wave measurement device includes an electromagnetic wave outputter that outputs an electromagnetic wave having a frequency equal to or more than 0.01 THz and equal to or less than 100 THz toward a device under test. An electromagnetic wave detector detects the electromagnetic wave which has transmitted through the device under test. A relative position changer changes a relative position of an intersection of an optical path of the electromagnetic wave transmitting through the device under test and the device under test, with respect to the device under test, so that the intersection is at a predetermined relative position due to the refraction of the electromagnetic wave by the device under test. A characteristic value deriver derives a characteristic value of the electromagnetic wave based on a detection result of the electromagnetic wave detector, the characteristic value being associated with the predetermined relative position. | 09-19-2013 |
20130284950 | ELECTROMAGNETIC WAVE EMISSION DEVICE - According to the present invention, an electromagnetic wave emission device includes a nonlinear crystal having an optical waveguide; and a prism including an electromagnetic wave input surface and an electromagnetic wave transmission surface. The electromagnetic wave transmission surface includes a rotation surface which is a trajectory of a tilted line segment rotated about a central axis of the electromagnetic wave input surface, the tilted line segment being tilted with respect to the central axis. The tilted line segment and the central axis are on the same plane. The central axis is in parallel to an extending direction of the optical waveguide. The central axis passes through a projection of the optical waveguide into the electromagnetic wave input surface. | 10-31-2013 |
20140166883 | ELECTROMAGNETIC WAVE MEASUREMENT DEVICE, MEASUREMENT METHOD, AND RECORDING MEDIUM - According to the present invention, an electromagnetic wave measurement device includes: an electromagnetic wave detector, a frequency component acquisition unit, and a thickness indication quantity deriving unit. An object to be measured is disposed on a substrate and includes at least two layers, and the electromagnetic wave detector detects a substrate-surface-reflected electromagnetic wave which has been made incident to the object, has been reflected by the substrate, and has passed through the object. The frequency component acquisition unit acquires an amplitude of a frequency component of the substrate-surface-reflected electromagnetic wave. The thickness indication quantity deriving unit derives a thickness indication quantity based on the amplitude of the frequency component of the substrate-surface-reflected electromagnetic wave and a relationship between the thickness indication quantity and the amplitude of the frequency component of the substrate-surface-reflected electromagnetic wave. | 06-19-2014 |
20140168652 | REFLECTION MEASUREMENT APPARATUS - Provided is a light beam incident device including an off-axis parabolic mirror that receives parallel light beams and converges the parallel light beams at one point on an object to be measured, and an incident-side light reception surface of a mirror that feeds the parallel light beams to the off-axis parabolic mirror. An angle (incident angle) between the object to be measured and converged light beams obtained by converging the parallel light beams changes in accordance with a light reception portion at which the off-axis parabolic mirror receives the parallel light beams. The incident side light reception surface of the mirror can change the light reception portion by moving with respect to the off-axis parabolic mirror. | 06-19-2014 |
20150194786 | PULSE LIGHT SOURCE, AND METHOD FOR STABLY CONTROLLING PHASE DIFFERENCE BETWEEN PULSE LASER LIGHTS - A pulse light source includes: a master laser that outputs a master laser light pulse whose repetition frequency is controlled to a predetermined value; a slave laser that outputs a slave laser light pulse; a phase comparator that detects a phase difference between an electric signal having a frequency of the predetermined value, and an electric signal based on a light intensity of the slave laser light pulse; a loop filter; an adder that adds a repetition frequency control signal having a certain repetition cycle, to an output from the loop filter; and a phase comparator that measures a pulse phase difference which is a phase difference between the master laser light pulse and the slave laser light pulse. A magnitude of the repetition frequency control signal is controlled such that the measured pulse phase difference matches with a target value of the pulse phase difference. | 07-09-2015 |
20150241346 | LIGHT MEASUREMENT APPARATUS, METHOD, PROGRAM AND RECORDING MEDIUM - A light measurement apparatus includes a master laser, a slave laser, an illumination light pulse, and a signal-under-measurement generator. The master laser generates as an output a master laser light pulse, and the slave laser generates as an output a slave laser light pulse having a repetition frequency or a phase different from that of the master laser light pulse. The illumination light pulse generator receives the master laser light pulse and generates as an output an illumination light pulse, and the signal-under-measurement generator, at a point in time when receiving a light pulse under measurement obtained by illuminating the object under measurement with the illumination light pulse and further the slave laser light pulse, generates as an output a signal under measurement according to a power of the light pulse under measurement. The apparatus corrects an error in a measurement of the signal under measurement. | 08-27-2015 |
Patent application number | Description | Published |
20080203336 | RADIATION IMAGE DETECTOR - A radiation image detector is constituted by: a first electrode layer, to which negative voltage is applied, and that transmits recording electromagnetic waves bearing radiation image information; a photoconductive layer that generates charges when irradiated by the recording electromagnetic waves transmitted through the first electrode layer; a second electrode layer provided at the side of the photoconductive layer opposite that of the first electrode layer, having a plurality of electrodes for detecting signals corresponding to the charges generated in the photoconductive layer; and an electron transport layer provided between the photoconductive layer and the second electrode layer so as to cover the entire surface of the second electrode layer, formed by an insulating material doped with electron transport molecules. | 08-28-2008 |
20080224042 | RADIATION IMAGE DETECTOR - A radiation image detector includes: a photoconductive layer that generates electric charges when irradiated by recording electromagnetic waves which have passed through an electrode layer; and detecting electrodes, for detecting signals corresponding to the electric charges generated in the photoconductive layer. The radiation image detector further includes: dielectrics that cover the edges of the detecting electrodes, the edges being the side surfaces and portions of surfaces continuous with the side surfaces of the detecting electrodes, that face the photoconductive layer; and a charge injection preventing layer, which is a conductor with respect to electric charges of the same polarity as the electric charges accumulated during recording of the image information, and an insulator with respect to electric charges of the opposite polarity from the accumulated electric charges, provided to cover at least the surfaces of the detecting electrodes that face the photoconductive layer which are not covered by the dielectric. | 09-18-2008 |
20090057563 | RADIATION IMAGE DETECTOR - Edge portions of detection electrodes, such as a first linear electrode and a second linear electrode, that include the side surfaces of the detection electrodes and parts of surfaces of the detection electrodes, the surfaces continuing from the side surfaces and facing a photoconductive layer for recording, are covered with dielectrics. Further, surfaces of the detection electrodes and the dielectrics are coated with an anti-crystallization layer to prevent crystallization of a photoconductive layer for readout. At this time, the surfaces of the electrodes are smoothly covered with the dielectrics at angles θ of contact of 5 to 60 degrees so that no bump is present, thereby preventing generation of a crack in the anti-crystallization layer on the dielectrics and the electrodes. Accordingly, crystallization of the photoconductive layer for readout, which is induced by injection of charges from the edge portions of the detection electrodes or the like, is prevented. | 03-05-2009 |
20090084965 | RADIATION IMAGE DETECTOR - A voltage applying electrode, to which a voltage is to be applied, a semiconductor layer, which is capable of generating electric charges when radiation is irradiated to the semiconductor layer, and an electrode for detecting an electric signal in accordance with a radiation dose are overlaid one upon another. A hole injection blocking layer is located between the voltage applying electrode and the semiconductor layer. The hole injection blocking layer contains an alloy of Sb | 04-02-2009 |
20090084966 | RADIATION IMAGE DETECTOR - In a radiation image detector including a voltage-applied electrode, to which a voltage is applied, and a semiconductor layer for generating charges by irradiation with radiation, which are superposed one on the other, a charge injection prevention layer that covers at least the edge of the voltage-applied electrode is provided. Further, a protruding electrode is provided on the upper surface of the charge injection prevention layer in such a manner that the side surface of an edge of the protruding electrode is located on the outer side of the side surface of the edge of the voltage-applied electrode and the side surface of the other edge of the protruding electrode is located at the position of the side surface of the edge of the voltage-applied electrode or on the inner side thereof. | 04-02-2009 |
20090084968 | RADIATION IMAGE DETECTOR - In a radiation image detector including a voltage-applied electrode, to which a voltage is applied, and a semiconductor layer for generating charges by irradiation with radiation, which are superposed one on the other, a charge injection prevention layer that covers at least the edge of the voltage-applied electrode is provided. Further, a protruding electrode is provided on the upper surface of the charge injection prevention layer in such a manner that the side surface of an edge of the protruding electrode is located on the outer side of the side surface of the edge of the voltage-applied electrode and the side surface of the other edge of the protruding electrode is located at the position of the side surface of the edge of the voltage-applied electrode or on the inner side thereof. | 04-02-2009 |
20130237802 | PHOTOACOUSTIC IMAGING APPARATUS AND METHOD FOR OPERATING A PHOTOACOUSTIC IMAGING APPARATUS - A photoacoustic imaging apparatus is equipped with an extracting section that extracts position data regarding the positions of each of a plurality of peaks in electrical signals that photoacoustic waves have been converted into, and positive/negative data that indicates whether the peaks are positive or negative. An image generating section administers chromatic adjustments to an image region corresponding to a signal region sandwiched between adjacent peaks based on the position data in the case that the positive/negative data for the adjacent peaks are in the order of positive then negative in temporal series, in order to facilitate discrimination of the pair of adjacent peaks and the signal region as being a single tissue system. Thereby, discrimination of a region between two lines is facilitated in photoacoustic imaging, even in cases that the boundary between a comparatively large tissue system and another tissue system is displayed as two lines. | 09-12-2013 |
20140005556 | PHOTOACOUSTIC MEASURING APPARATUS | 01-02-2014 |
20140051966 | PHOTOACOUSTIC MEASUREMENT APPARATUS AND PROBE UNIT FOR USE THEREWITH - A photoacoustic measurement apparatus which includes a diffuser plate for diffusing laser light inputted from the upstream side of an optical system, a lens system for focusing the laser light diffused by the diffuser plate, and an optical fiber cable which includes an optical fiber having a core and cladding structure and a light energy resistant structure at an end portion on the side of the lens system, and is disposed such that the laser light focused by the lens is inputted from one end, in which the light projection unit projects the laser light guided by the optical fiber cable as the measuring light. In a photoacoustic measurement performed by guiding the measuring light using an optical fiber, high energy measuring light can be guided while inhibiting end face damage of the optical fiber. | 02-20-2014 |
20140051967 | PHOTOACOUSTIC MEASUREMENT APPARATUS AND PROBE UNIT FOR USE THEREWITH, AND ENDOSCOPE - A photoacoustic measurement apparatus which includes a diffuser plate which diffuses laser light inputted from the upstream side of an optical system, a lens system which focuses the laser light diffused by the diffuser plate, and an optical fiber cable which includes an optical fiber having a core and cladding structure and is disposed such that the laser light focused by the lens system is inputted from one end, in which the light projection unit projects the laser light guided by the optical fiber cable as the measuring light. In a photoacoustic measurement performed by guiding the measuring light using an optical fiber, high energy measuring light can be guided while inhibiting end face damage of the optical fiber. | 02-20-2014 |
20140121505 | PHOTOACOUSTIC IMAGING SYSTEM AND APPARATUS, AND PROBE UNIT USED THEREWITH - A photoacoustic imaging system which includes a treatment tool for surgery, a probe unit having an electroacoustic transducer section, an image generation section which generates a three-dimensional photoacoustic image, an information obtaining section which obtains information representing mutual relative positions and orientations of the treatment tool and the probe unit in a space, an image processing section which superimposes a treatment tool display on the photoacoustic image based on the information, and a control section which controls these such that the photoacoustic image superimposed with the treatment tool display is displayed on a display section in real time. When assisting in surgery, the present invention allows the surgeon to recognize the positional relationship between a treatment tool and a blood vessel in an easier and accurate way. | 05-01-2014 |
20140257079 | DEVICE AND METHOD FOR PROCESSING PHOTOACOUSTIC SIGNAL - To obtain an absorption distribution from a detected signal with a practical device. Light is applied to a subject, and a photoacoustic signal generated in the subjectA photoacoustic is detected. From the detected photoacoustic signal, a light differential waveform, which is a differential waveform of a temporal waveform of the light applied to the subject, is deconvolved. As a result of this deconvolution, an absorption distribution is obtained. | 09-11-2014 |
20140316270 | ACOUSTIC IMAGE GENERATION APPARATUS AND PROGRESS DISPLAY METHOD IN GENERATING AN IMAGE USING THE APPARATUS - In an acoustic image generation apparatus with a probe having an ultrasonic transducer, providing a scanning length setting part that sets a target scanning length in a scanning process of the probe, a coordinate obtaining part that sequentially obtains a coordinate of the probe in real space, a scanned length calculation part that calculates a scanned length based on the coordinate obtained by the coordinate obtaining part, a progress level display generation part that generates a progress level display that indicates progress of the scanning process based on the target scanning length and the scanned length, and a display part that displays the progress level display. | 10-23-2014 |
20140343394 | PROBE - An acoustic wave detector that detects an acoustic wave from a subject, an optical fiber that guides light emitted from a light source to a probe body, and a light guide member that guides light from a light entrance end, which is optically coupled to the optical fiber, to a light exit end, which is located in the vicinity of the acoustic wave detector, are provided. The light guide member is secured in the probe body with a securing material provided at least partially around the light guide member. The conditional expression below is satisfied: | 11-20-2014 |
20140345385 | ACOUSTIC WAVE DETECTION PROBE AND PHOTOACOUSTIC MEASUREMENT APPARATUS PROVIDED WITH THE SAME - An acoustic wave detection probe includes a light projection section that emits measuring light to be projected onto a subject, an acoustic wave transducer disposed adjacent to the light projection section and capable of detecting an acoustic wave, an acoustic lens provided on a detection side of the acoustic wave transducer, and a housing accommodating the light projection section, the acoustic wave transducer, and the acoustic lens, in which the acoustic lens and a surface portion of the housing adjacent to the acoustic lens are formed to have an optical property in which the average diffuse reflection factor is 85% or more and the average absorption factor is 10% or less in a wavelength range of the measuring light. | 11-27-2014 |
20140350368 | ACOUSTIC WAVE DETECTION PROBE AND PHOTOACOUSTIC MEASUREMENT APPARATUS PROVIDED WITH THE SAME - In an acoustic wave detection probe provided with a light guide section that guides measuring light such that the measuring light is outputted toward a subject and an acoustic wave transducer that detects a photoacoustic wave generated in the subject by the projection of the measuring light, the light guide section includes a homogenizer that flat-tops an energy profile of the measuring light entered from the upstream side of the optical system, a light condensing member that condenses the measuring light transmitted through the homogenizer, and a. bundle fiber which includes a plurality of optical fibers and is disposed such that the measuring light transmitted through the light condensing member enters from an entrance end of the bundle fiber. | 11-27-2014 |
20150150465 | PHOTOACOUSTIC IMAGE GENERATION APPARATUS AND METHOD - After light has been output to a subject to be examined, a photoacoustic wave induced in the subject by the output light is detected. It is assumed that at least one virtual detector element is present outside of a real detector, and dummy data corresponding to the at least one virtual detector element are added to photoacoustic data in which pieces of data of the photoacoustic wave detected by the detector are arranged in accordance with the positions of detector elements. A photoacoustic image is generated by reconstructing the photoacoustic data to which the dummy data have been added by using a Fourier transform method. | 06-04-2015 |
20150160168 | LIGHT SOURCE UNIT AND PHOTOACOUSTIC MEASUREMENT APPARATUS USING THE SAME - It is desirable to more stably and efficiently transmit light in a housing of a light source unit. A light source unit | 06-11-2015 |
20150173626 | PHOTOACOUSTIC MEASUREMENT APPARATUS AND PROBE FOR PHOTOACOUSTIC MEASUREMENT APPARATUS - The light irradiation range of a probe for a photoacoustic measurement apparatus is increased. The probe for a photoacoustic measurement apparatus includes a light transmission unit that irradiates a subject with light, and a photoacoustic wave detector | 06-25-2015 |
20150297092 | PHOTOACOUSTIC IMAGE GENERATING DEVICE AND INSERTION OBJECT - Even when an insertion object is inserted to a deep position of a subject or even when the insertion object is inserted into the subject at an angle close to a right angle, it is possible to confirm the position of the insertion object in a photoacoustic image. The insertion object is, for example, a hollow puncture needle | 10-22-2015 |
20150327773 | PROBE - There is provided a photo acoustic probe which prevents foreign substances from entering and of which a portion of a light emitting unit to be easily damaged can be replaced. An acoustic wave detector | 11-19-2015 |
20150335289 | PHOTOACOUSTIC MEASUREMENT DEVICE AND PUNCTURE NEEDLE - The invention provides a photoacoustic measurement device that can confirm the position of a puncture needle in a photoacoustic image even in the case where the puncture needle is stuck to a deep position from the surface of a subject. Further, the invention provides a puncture needle that is used for the photoacoustic image generating device. The puncture needle | 11-26-2015 |
Patent application number | Description | Published |
20090173245 | Method for Manufacturing Screen Printing Mask With Resin and Screen Printing Mask With Resin - The method for making a screen printing mask, provided by this invention is a method for making a resin-formed screen printing mask having a resin layer on one main surface of a screen printing mask having openings, a resin layer having openings nearly in the same locations as those of said openings of the screen printing mask, and comprises the step of coating the one main surface of said screen printing mask with the resin layer by laminating, and the step of removing those parts of said resin layer which are positioned nearly in the same locations as those of the openings of said screen printing mask by self-alignment, to form the openings through the resin layer. | 07-09-2009 |
20090236137 | Method for Forming Resist Pattern, Method for Producing Circuit Board, and Circuit Board - There are provided a method for forming a resist pattern for preparing a circuit board having a landless or small-land-width through-hole(s) to realize a high-density circuit board, a method for producing a circuit board, and a circuit board. A method for forming a resist pattern, comprising the steps of forming a resin layer and a mask layer on a first surface of a substrate having a through-hole(s), and removing the resin layer on the through-hole(s) and on a periphery of the through-hole(s) on the first surface by supplying a resin layer removing solution from a second surface opposite to the first surface of the substrate, and a method for producing a circuit board using the method for forming a resist pattern, and a circuit board. | 09-24-2009 |
20100330504 | METHOD FOR ELECTROCONDUCTIVE PATTERN FORMATION - A method for forming a conductor pattern comprising the steps of (a) forming a photo-crosslinkable resin layer on a substrate provided with a conductive layer on its surface, (b) treating the photo-crosslinkable resin layer with an alkali aqueous solution to render it thinner, (c) carrying out exposure for a circuit pattern, (d) developing and (e) etching, the steps included in this order, said alkali aqueous solution being an aqueous solution containing 5 to 20 mass % of an inorganic alkaline compound, or method for forming a conductor pattern comprising the steps of (a′) forming a photo-crosslinkable resin layer on a substrate provide with a conductive layer on its surface and inside a hole thereof, (i) curing the photo-crosslinkable resin layer on the hole alone or on the hole and a surrounding area thereof, (b′) treating the photo-crosslinkable resin layer in an uncured portion with an alkali aqueous solution to render it thinner, (c) carrying out exposure for a circuit pattern, (d) developing and (e) etching, these steps included in this order, said alkali aqueous solution being an aqueous solution containing 5 to 20 mass % of an inorganic alkaline compound. | 12-30-2010 |
Patent application number | Description | Published |
20110160725 | HIGH-FREQUENCY SURGICAL APPARATUS AND MEDICAL INSTRUMENT OPERATING METHOD - A high frequency surgery apparatus includes a high frequency current generation section that generates a high frequency current to be transmitted to a living tissue to be operated on, a high frequency probe that transmits the high frequency current to the living tissue and is provided with electrodes to perform treatment with the high frequency current, a time measuring section that measures an output time of the high frequency current, an impedance detection section that detects an electric impedance of the living tissue and an output control section that performs control so as to stop the output of the high frequency current upon detecting that the output time exceeds a first threshold and detecting that the electric impedance value exceeds a second threshold. | 06-30-2011 |
20130066238 | High-frequency operation apparatus and operation apparatus - A high-frequency operation apparatus includes a grasping portion for grasping a treatment target living tissue, an electrode for supplying a high-frequency current to the living tissue, a high-frequency current supplying section that generates the high-frequency current necessary for treatment, a cable section that transmits the high-frequency current, an impedance measuring section for measuring an impedance value of the living tissue, a detecting section that detects that the impedance value reaches an impedance threshold at a time when moisture in the living tissue starts to evaporate, a measuring section that measures an output time of the high-frequency current after the detection, a storing section that stores a set time, and an output control section that performs control for stopping an output when the output time of the high-frequency current reaches the stored set time. | 03-14-2013 |
20130338656 | TREATMENT SYSTEM AND ACTUATION METHOD FOR TREATMENT SYSTEM - A treatment system includes a high-frequency power source, a heat generation power source, a grasping member having an electric conductor which applies high-frequency power energy to a living tissue and a heating element which applies thermal energy, a memory where a predetermined impedance value or a predetermined rate of increase in impedance that is a threshold value, at which application of the high-frequency power energy is ended, is stored in advance, a first control section which controls the high-frequency power source based on the threshold value to end application of the high-frequency power energy, and a second control section which performs constant temperature control on the heat generation power source such that the heating element reaches a setting temperature that is set to be higher than a temperature of the heating element calculated from a resistance value of the heating element when application of the high-frequency power energy ends. | 12-19-2013 |
20130338659 | TREATMENT SYSTEM AND ACTUATION METHOD OF TREATMENT SYSTEM - A treatment system includes a power source for heat generation which outputs power for heat generation, a grasping member having a heating element which applies the power for heat generation as thermal energy to a grasped living tissue and is disposed at a grasping surface, and a control section which repeats a first control mode of performing control such that the heating element reaches a first temperature and a second control mode of performing control such that the heating element becomes lower than the first temperature, and controls the power source for heat generation according to a temperature change parameter based on change in temperature of the heating element in the first control mode or the second control mode so as to end application of the thermal energy. | 12-19-2013 |
20130338665 | TREATMENT SYSTEM AND ACTUATION METHOD FOR TREATMENT SYSTEM - A treatment system includes a power source for heat generation which outputs power for heat generation, a grasping member having a heating element which applies the power for heat generation as thermal energy to a living tissue, and a control section which performs constant temperature control on the power source for heat generation on the basis of temperature of the heating element, and controls the power source for heat generation so as to finish application of the thermal energy and complete treatment if the power for heat generation becomes not more than predetermined threshold power which is independent of a type of the living tissue or if a rate of decrease in the power for heat generation becomes not more than a predetermined threshold rate. | 12-19-2013 |
20130338740 | TREATMENT SYSTEM AND ACTUATION METHOD FOR TREATMENT SYSTEM - A treatment system includes a power source for heat generation which outputs power for heat generation, a grasping member having a heating element which applies the power for heat generation as thermal energy to a grasped living tissue, a storage section storing a power decrease pattern which is a prediction about a change state of the power for heat generation, and a control section which performs pattern control on the power source for heat generation on the basis of the power decrease pattern acquired from the storage section. | 12-19-2013 |
20140236140 | TREATMENT SYSTEM - A treatment system includes a holding section that has a heat generation section, a signal output section that supplies a drive signal to the heat generation section, a setting section that sets a target temperature of the heat generation section, a signal detection section that detects the drive signal, a signal extraction section that extracts an extracted signal of a predetermined frequency band from the drive signal detected by the signal detection section, a fault detection section that detects a precursory phenomenon of a fault of the heat generation section when the extracted signal reaches a predetermined threshold, and a control section that controls the drive signal to the heat generation section in a treatment mode for treating the living tissue at the target temperature or in a test mode for detecting the precursory phenomenon. | 08-21-2014 |
20140336646 | OPERATION APPARATUS - A high-frequency operation apparatus includes a grasping portion for grasping a treatment target living tissue, an electrode for supplying a high-frequency current to the living tissue, a high-frequency current supplying section that generates the high-frequency current necessary for treatment, a cable section that transmits the high-frequency current, an impedance measuring section for measuring an impedance value of the living tissue, a detecting section that detects that the impedance value reaches an impedance threshold at a time when moisture in the living tissue starts to evaporate, a measuring section that measures an output time of the high-frequency current after the detection, a storing section that stores a set time, and an output control section that performs control for stopping an output when the output time of the high-frequency current reaches the stored set time. | 11-13-2014 |
20150327916 | TREATMENT SYSTEM AND ACTUATION METHOD FOR TREATMENT SYSTEM - A treatment system includes a power source for heat generation which outputs power for heat generation, a grasping member having a heating element which applies the power for heat generation as thermal energy to a grasped living tissue and is disposed at a grasping surface, and a control section which repeats a first control mode of performing control such that the heating element reaches a first temperature and a second control mode of performing control such that the heating element becomes lower than the first temperature, and controls the power source for heat generation according to a temperature change parameter based on change in temperature of the heating element in the first control mode or the second control mode so as to end application of the thermal energy. | 11-19-2015 |
Patent application number | Description | Published |
20110005497 | ENGINE CONTROL SYSTEM - In a hybrid type vehicle designed to use an engine and motor generators to drive the vehicle, the engine is provided with a variable compression ratio mechanism and a variable valve timing mechanism. When the requested output of the engine increases, minimum fuel consumption rate maintenance control maintaining a mechanical compression ratio at a maximum mechanical compression ratio and in that state increasing the engine speed so as to satisfy the requested output of the engine and torque increase control lowering the mechanical compression ratio and increasing the engine torque are selectively performed. | 01-13-2011 |
20110247593 | CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - A control apparatus for an internal combustion engine includes a fuel tank; a vaporized fuel tank that is connected to an intake passage; an in-tank fuel supplying portion that supplies fuel in the fuel tank to the vaporized fuel tank; a vaporized fuel supply valve that opens and closes a connecting portion between the vaporized fuel tank and the intake passage; an air introduction valve provided in the vaporized fuel tank; a throttle valve; a vaporized fuel producing portion that produces vaporized fuel in the vaporized fuel tank; a vaporized fuel supplying portion that supplies vaporized fuel stored in the vaporized fuel tank; and a supply amount controlling portion that controls a supply amount of vaporized fuel according to an opening amount of the throttle valve by driving the throttle valve when supplying vaporized fuel. | 10-13-2011 |
20110308500 | CONTROL APPARATUS AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE - A control apparatus and control method is provided for an internal combustion engine that includes a vaporized fuel tank in which vaporized fuel is stored, and a normally-closed vaporized fuel supply valve that opens and closes a connecting portion between the vaporized fuel tank and a surge tank. This apparatus and method produce vaporized fuel by injecting fuel into the tank while the vaporized fuel supply valve is closed while the engine is operating, then open the vaporized fuel supply valve at engine startup and supply the vaporized fuel stored in the tank to the surge tank. If there is no vaporized fuel remaining in the vaporized fuel tank when the engine stops, vacuum is generated in the vaporized fuel tank by temporarily opening the vaporized fuel supply valve before the engine stops. Vaporized fuel is then produced by injecting fuel into the vaporized fuel tank in this vacuum state. | 12-22-2011 |
20110308501 | INTERNAL COMBUSTION ENGINE CONTROL APPARATUS AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE CONTROL APPARATUS - In a control of an internal combustion engine control apparatus, the control apparatus includes: a fuel tank that stores a fuel; a vaporized fuel tank that is connected to an intermediate portion of an intake passageway of an internal combustion engine and that stores a vaporized fuel that is formed by vaporization of the fuel; an in-tank fuel supply device that supplies the fuel from the fuel tank into the vaporized fuel tank; and a normally-closed vaporized fuel supply valve that opens and closes a connecting portion between the vaporized fuel tank and the intake passageway. The control apparatus estimates air/fuel ratio in the vaporized fuel tank, and produces the vaporized fuel in the vaporized fuel tank by driving the in-tank fuel supply device, with the vaporized fuel supply valve closed, until the estimated air/fuel ratio becomes substantially zero, during operation of the engine. At the time of starting the engine, the control apparatus supplies the vaporized fuel stored in the vaporized fuel tank into the intake passageway by opening the vaporized fuel supply valve. | 12-22-2011 |
20120132184 | EGR CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE - An object of the present invention is to suppress the dispersion of EGR gas amount between cylinders when the stuck open state arises in an EGR valve in an EGR apparatus for an internal combustion engine in which an EGR passage is branched on an intake system side into a plurality of EGR branch pipes, and the respective EGR branch pipes are connected respectively to intake branch pipes provided for the respective cylinders. In the present invention, if the EGR valve is stuck open, the exhaust pressure is reduced in an exhaust system of the internal combustion engine, while suppressing an amount of decrease in a driving force of a vehicle which carries the internal combustion engine within an allowable range. | 05-31-2012 |
20120136551 | ENGINE CONTROL SYSTEM - In a hybrid type vehicle designed to use an engine ( | 05-31-2012 |
20120197471 | HYBRID VEHICLE - A hybrid vehicle includes: a multi-cylinder internal combustion engine and an electric motor, a power source control unit that controls the engine and the motor, an air-fuel ratio control unit that controls the air-fuel ratio of exhaust gas of the engine to obtain a target air-fuel ratio, a battery that stores electric power that is supplied to the motor, a state-of-charge detection unit that detects a state-of-charge of the battery, a detection unit that detects an air-fuel ratio imbalance abnormality of the internal combustion engine and identifies an abnormal cylinder that has caused the imbalance abnormality, and a correction unit that corrects, in a case where the air-fuel ratio imbalance abnormality has been detected, a fuel injection amount of the abnormal cylinder based on a battery state-of-charge decrease amount from when the abnormality is detected to the time when a predetermined time interval is elapsed after the detection. | 08-02-2012 |
20120283931 | APPARATUS FOR DETECTING IMBALANCE ABNORMALITY IN AIR-FUEL RATIO BETWEEN CYLINDERS - An apparatus for detecting imbalance abnormality in an air-fuel ratio between cylinders in a multi-cylinder internal combustion engine comprises a turbocharger, a bypass passage, a waist gate valve, an air-fuel ratio sensor, and a stepless transmission. The imbalance abnormality is detected based upon a variation degree in output of the air-fuel ratio sensor. The internal combustion engine and the stepless transmission are controlled in such a manner that an actual operating point of the internal combustion engine moves on a predetermined operating line in a coordinate system defined by an engine rotational speed and engine torque. The operating line is changed in such a manner that, when the actual operating point is outside of a waist gate valve opening region at the time of detecting the imbalance abnormality, the actual operating point moves into the waist gate valve opening region. | 11-08-2012 |
20130013173 | FUEL SUPPLY SYSTEM FOR INTERNAL COMBUSTION ENGINE - An engine includes a normal fuel tank, fuel gas tank, an in-tank injection valve and a fuel gas supply valve. During operation of the engine, in a state where the fuel gas supply valve is closed, a fuel is injected into the fuel gas tank through the in-tank injection valve to generate a fuel gas by vaporizing the fuel. The fuel gas is stored in the fuel gas tank and is maintained in the gas phase due to the natural decompression even after the engine is stopped. To start the engine, the fuel gas supply valve is opened to supply the fuel gas in the fuel gas tank to a surge tank. Thus, compared with the case where the fuel gas is generated at the start of the engine, the fuel gas can be quickly supplied into the cylinder, so that the ability to start the engine is improved. | 01-10-2013 |
20130312718 | EXHAUST GAS RECIRCULATION APPARATUS FOR ENGINE - An EGR apparatus includes a EGR passage and an EGR valve provided in the EGR passage to regulate an EGR flow rate in the EGR passage. An ECU closes the EGR valve from an open state prior to start of deceleration of the engine based on engine rotation speed detected by a rotation speed sensor, accelerator opening degree detected by an accelerator sensor, and actual opening degree of the EGR valve. During deceleration of the engine, the ECU obtains a target opening degree of the EGR valve according to the separately detected engine rotation speed and accelerator opening degree from a target opening degree map and starts to close the EGR valve when a difference between an actual opening degree and the target opening degree of the EGR valve exceeds a predetermined value. | 11-28-2013 |
20140041638 | DRIVE CONTROL SYSTEM - In a hybrid type vehicle designed to use an engine and motor generators to drive the vehicle, the engine is provided with a variable compression ratio mechanism and a variable valve timing mechanism. When the requested output of the engine increases, minimum fuel consumption rate maintenance control maintaining a mechanical compression ratio at a maximum mechanical compression ratio and in that state increasing the engine speed so as to satisfy the requested output of the engine and torque increase control lowering the mechanical compression ratio and increasing the engine torque are selectively performed. | 02-13-2014 |
20140186220 | EXHAUST GAS PURIFICATION APPARATUS FOR AN INTERNAL COMBUSTION ENGINE - In cases where an NOx selective reduction catalyst is provided at a location downstream of an NOx storage reduction catalyst, NOx purification performance in an exhaust gas purification apparatus as a whole is maintained, irrespective of deterioration of the NOx storage reduction catalyst. For this purpose, the reduction of NOx in the NOx storage reduction catalyst is promoted more when the degree of deterioration of the NOx storage reduction catalyst or the NOx selective reduction catalyst is low than when it is high, and the reduction of NOx in the NOx selective reduction catalyst is promoted more when the degree of deterioration of the NOx storage reduction catalyst or the NOx selective reduction catalyst is high than when it is low. | 07-03-2014 |
20140190150 | EXHAUST GAS PURIFICATION APPARATUS FOR AN INTERNAL COMBUSTION ENGINE - In cases where at the upstream side of an NOx selective reduction catalyst there is provided another catalyst, sulfur poisoning of both the catalysts is recovered in an appropriate manner. To this end, provision is made for an NH | 07-10-2014 |
20140331653 | FUEL INJECTION SYSTEM FOR INTERNAL COMBUSTION ENGINE - An object of the invention is to provide a fuel injection technique suitable for a spark-ignition internal combustion engine equipped with a first fuel injection valve for injecting fuel into a cylinder, a second fuel injection valve for injecting fuel into an intake passage, and a particulate filter provided in an exhaust passage thereof. To achieve the object, the fuel injection system of an internal combustion engine according to the invention reduces an in-cylinder injection ratio, which is the ratio of the quantity of fuel injected through the first fuel injection valve to the quantity of fuel injected through the second fuel injection valve, when the quantity of particulate matter trapped in the particulate filter is larger than a threshold value, thereby reducing the quantity of particulate matter discharged from the internal combustion engine. | 11-13-2014 |
20150174529 | EXHAUST GAS PURIFICATION APPARATUS FOR AN INTERNAL COMBUSTION ENGINE - A decrease in the NOx removal or reduction rate is suppressed, while suppressing the outflow of particulate matter from a filter after regeneration of the filter. To this end, in an exhaust passage of an internal combustion engine, there are provided a filter, an NOx storage reduction catalyst, and an NOx selective reduction catalyst which is arranged at the downstream side of the NOx storage reduction catalyst, wherein when a reducing agent is supplied to the NOx storage reduction catalyst or the NOx selective reduction catalyst, rich control in which an air fuel ratio of exhaust gas is controlled to a rich air fuel ratio is carried out, and the lowest value of the air fuel ratio of the exhaust gas, at the time of carrying out the rich control in a predetermined period of time from a point in time at which the regeneration of the filter has ended, is made higher than the lowest value or an average value of the air fuel ratio of the exhaust gas at the time of carrying out the rich control in a period of time from the lapse of the predetermined period of time until when the next regeneration of the filter is carried out. | 06-25-2015 |
20150285118 | EXHAUST GAS PURIFICATION APPARATUS FOR AN INTERNAL COMBUSTION ENGINE - The present invention has for its object to provide a technology in which in an exhaust gas purification apparatus for an internal combustion engine which is provided with a catalyst for NH | 10-08-2015 |
20150298061 | EXHAUST GAS PURIFICATION APPARATUS FOR AN INTERNAL COMBUSTION ENGINE - A decrease in an NOx removal or reduction rate at the time of filter regeneration is suppressed. To this end, provision is made for an NOx selective reduction catalyst, a filter arranged at the upstream side of the NOx selective reduction catalyst, an NH | 10-22-2015 |
Patent application number | Description | Published |
20080209906 | Boost Pressure Control Apparatus and Boost Pressure Control Method of Internal Combustion Engine - A boost pressure control apparatus includes a turbocharger whose turbine is rotationally driven by exhaust of an internal combustion engine, and an EGR device, wherein EGR is performed at the time of supercharge, or the EGR amount is increased at the time of supercharge in comparison with when supercharge is not performed. If the internal EGR gas amount is increased by changing opening/closure timings of intake valves and/or exhaust valves via the EGR device, the energy of exhaust can be increased, so that the rotation speed of the turbocharger can be enhanced. Therefore, the responsiveness of boost pressure rise can be enhanced. Thus, a technology of more promptly raising the boost pressure is provided. | 09-04-2008 |
20090030589 | CONTROL APPARATUS OF INTERNAL COMBUSTION ENGINE AND CONTROL METHOD OF INTERNAL COMBUSTION ENGINE - A control apparatus of an internal combustion engine in which a plurality of cylinders is divided into a first cylinder group ( | 01-29-2009 |
20100071658 | INTERNAL COMBUSTION ENGINE AND INTERNAL COMBUSTION ENGINE CONTROL METHOD - In a V-type six-cylinder engine, turbo-superchargers are provided for compressing intake air and feeding the compressed air into combustion chambers, and an ECU is operable to switch the combustion mode from a non-supercharged stoichiometric combustion mode to a supercharged lean combustion mode, depending on the engine operating conditions. When switching from the non-supercharged stoichiometric combustion mode to the supercharged lean combustion mode, the ECU retards the ignition timing, and keeps the retard amount of the ignition timing at a constant value if the increasing actual boost pressure becomes equal to or higher than a pre-set target boost pressure. | 03-25-2010 |
20100212315 | CONTROL SYSTEM AND CONTROL METHOD FOR VEHICLE - A catalyst warm-up control is carried out in a state with a first exhaust valve closed and a second exhaust valve opened. After completion of the catalyst warm-up, if there is an acceleration request, exhaust gas temperature is acquired. If the exhaust gas temperature is equal to or lower than a predetermined value, the second exhaust valve is opened to an intermediate lift to thereby prevent an abrupt drop in exhaust gas temperature. If the exhaust gas temperature is higher than the predetermined value, the second exhaust valve is fully closed to thereby introduce the whole amount of exhaust gas to a turbine. A vehicle control device that achieves both prevention of catalyst deactivation and acceleration performance enhancement can be thus provided. | 08-26-2010 |
20100293924 | CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE, AND METHOD OF CONTROLLING INTERNAL COMBUSTION ENGINE - A control for an internal combustion engine in which it is determined whether a request for a turbo flow mode is output and whether there is a possibility that a catalyst may be deactivated. More specifically, it is determined whether a catalyst gas temperature is above a predetermined value. The predetermined value is set in advance so that when the catalyst gas temperature is equal to or below the predetermined value, the catalyst is deactivated. When it is determined that there is a possibility that the catalyst may be deactivated if exhaust valves are placed in the turbo flow mode, a retard amount in an ignition timing retard correction is determined. An ignition timing is calculated. It is permitted to switch a valve opening mode to the turbo flow mode. | 11-25-2010 |