Patent application number | Description | Published |
20100013478 | MAGNETIC RESONANCE IMAGING DEVICE - A magnetic resonance imaging device includes magnetic field generating means and control means for controlling receiving means according to a predetermined pulse sequence, the predetermined pulse sequence including an unnecessary material suppressing sequence unit for canceling a signal from an unnecessary material which is not a measurement target and a main imaging sequence unit for measuring a nuclear magnetic resonance signal used to create an image of an examinee. The unnecessary material suppressing sequence unit generates at least two or more high frequency magnetic field pulses so that the longitudinal magnetization of the unnecessary material is made spatially uniform in the imaging space under application of a first high frequency magnetic field pulse in the main imaging sequence unit. The magnetic resonance imaging device further includes adjusting means for adjusting the flip angles of the two or more high frequency magnetic field pulses, and the control means applies the two or more high frequency magnetic field pulses at the flip angles adjusted by the adjusting means. | 01-21-2010 |
20100156418 | MAGNETIC RESONANCE IMAGING APPARATUS AND MAGNETIC RESONANCE IMAGING METHOD - In order to stably obtain an even fat-suppressed image without reduction of an imaging efficiency and without being affected by unevenness of irradiation magnetic field of an RF pulse, when an imaging sequence having a first sequence part for suppressing a signal from a desired component of an examinee by applying a CHESS pulse and a second sequence part for measuring an echo signal from the examinee is repeated, the flip angle of the CHESS pulse is changed at plural times. In the case of multi-slice imaging, the flip angle of the CHESS pulse is changed in at lest two slice imaging. | 06-24-2010 |
20100213937 | Magnetic Resonance Imaging Apparatus and Method - An magnetic resonance imaging apparatus includes: imaging means for dividing an object to be examined into a plurality of regions in a predetermined direction, setting images of slice positions for each of the regions so that the slice positions are continuous in each region, and imaging each of the regions while moving the object stepwise; and display means for acquiring a plurality of image data having three types of categories: the region, the slice position and the imaging sequence, and displaying the image data. | 08-26-2010 |
20100219828 | MAGNETIC RESONANCE IMAGING APPARATUS - A magnetic resonance imaging apparatus comprises object placing means for placing an object in an imaging space, translating means for translating the object in a given direction by translating the object placing means in the given direction continuously or step-wise, magnetic field generating means for exciting the desired region of the object by generating a static magnetic field, a gradient magnetic field in the imaging space, and a high-frequency magnetic field in the imaging space, signal detecting means for detecting a magnetic resonance signal from the object, and control unit for controlling the translating means, magnetic field generating means and the signal detecting means, and translating the object continuously or stepwise to a predetermined position at a predetermined speed so as to capture a magnetic resonance image of the object. | 09-02-2010 |
20100244823 | MAGNETIC RESONANCE IMAGING APPARATUS AND METHOD - A magnetic resonance imaging apparatus comprising static magnetic field generating means for generating a static magnetic field in an imaging space, measuring means for generating a high-frequency magnetic field and a gradient magnetic field in the imaging space and measuring a nuclear magnetic resonance signal generated from an object to be examined placed in the imaging space, signal processing means for reconstructing a magnetic resonance image according to the nuclear magnetic resonance signal, control means for controlling the measuring means and the signal processing means, and display means for displaying the reconstructed magnetic resonance image obtained by the signal processing means. | 09-30-2010 |
20110064294 | MAGNETIC RESONANCE IMAGING APPARATUS AND BLOOD VESSEL IMAGE ACQUIRING METHOD - Plural blood vessels different in blood flow velocity are depicted with high image quality in blood vessel imaging using PC-MRA method. For this purpose, the present invention performs a measurement of an echo signal based on application of a positive-polarity flow encode pulse and a measurement of an echo signal based on application of a negative-polarity flow encode pulse on an examinee with each of plural phase encodes while varying the flow encode, and a blood vessel image of the examinee is reconstructed by using the plural echo signals having different flow encode absolute values. | 03-17-2011 |
20110181287 | MAGNETIC RESONANCE IMAGING APPARATUS - A magnetic resonance imaging apparatus comprises: static magnetic field generation means which generates a static magnetic field in an imaging space where an object to be examined is placed; gradient magnetic field generation means which generates a gradient magnetic field in the imaging space; high-frequency magnetic field generation means which generates a high-frequency magnetic field in the imaging space; calculation means which calculates an amount of the electromagnetic wave absorbed by the object when the high-frequency magnetic field is irradiated to the object; and a measurement means which measures a characteristic of the high-frequency magnetic field generation means. | 07-28-2011 |
20110210736 | MAGNETIC RESONANCE IMAGING APPARATUS AND METHOD - A magnetic resonance imaging apparatus for imaging a plurality of different slice planes having pre-pulse applying means configured to apply a pre-pulse for affecting in-plane magnetization of all slices of a measurement target, measuring means configured to make a measurement for applying one phase encode amount for one slice plane to obtain an echo signal and dispose the echo signal in a k space, and control means configured to control operations of the pre-pulse applying means and the measuring means. The control means has first control means configured to control to repeat an operation of executing the measurement once according to a predetermined order for all slice planes of the measurement target after a first pre-pulse is applied while a phase encode amount is varied in a predetermined order until all k spaces of all slices are filled, and second control means configured to control the pre-pulse applying means so that the pre-pulse is applied every time the measurement is executed at a frequency which is different from the number of the slices of the measurement target and a multiple number of the number of the slices, and the first control means sets an initial phase encode amount of each slice so as to measure a low spatial frequency area of the k space at a timing having a large effect of the pre-pulse. | 09-01-2011 |
20110245655 | MAGNETIC RESONANCE IMAGING APPARATUS AND PULSE SEQUENCE ADJUSTING METHOD - When executing an imaging pulse sequence using a high frequency magnetic field pulse with a partial waveform of a predetermined waveform, an application start time of a slice gradient magnetic field applied simultaneously with the high frequency magnetic field pulse is corrected. Specifically, a magnetic resonance signal for correcting the imaging pulse sequence is acquired by executing a prescan sequence using a high frequency magnetic field pulse with a predetermined waveform, an application start time of a slice selection gradient magnetic field in the imaging pulse sequence is corrected using the magnetic resonance signal for correction, and the imaging pulse sequence is executed by applying the slice selection gradient magnetic field with the corrected application start time. | 10-06-2011 |
20110267060 | MAGNETIC RESONANCE IMAGING DEVICE - A magnetic resonance imaging device includes magnetic field generating means and control means for controlling receiving means according to a predetermined pulse sequence, the predetermined pulse sequence including an unnecessary material suppressing sequence unit for canceling a signal from an unnecessary material which is not a measurement target and a main imaging sequence unit for measuring a nuclear magnetic resonance signal used to create an image of an examinee. The unnecessary material suppressing sequence unit generates at least two or more high frequency magnetic field pulses so that the longitudinal magnetization of the unnecessary material is made spatially uniform in the imaging space under application of a first high frequency magnetic field pulse in the main imaging sequence unit. The magnetic resonance imaging device further includes adjusting means for adjusting the flip angles of the two or more high frequency magnetic field pulses, and the control means applies the two or more high frequency magnetic field pulses at the flip angles adjusted by the adjusting means. | 11-03-2011 |
20120141007 | MAGNETIC RESONANCE IMAGING APPARATUS AND SYNCHRONOUS MEASUREMENT METHOD - An image with a desired contrast is obtained while suppressing body motion artifacts caused by both random motion and periodic motion of an object. In order to do so, an imaging sequence using a non-Cartesian sampling method is executed so as to synchronize with a biological signal only at the start time and a repetition time (TR), which is an execution interval between shots within the imaging sequence, is maintained. In addition, a time difference between a delay time and a start time of each shot is calculated, and a shot with a predetermined time difference or more is executed again after the TR time. | 06-07-2012 |
20120271506 | TROUBLE DIAGNOSIS DEVICE - The present invention provides a diagnosis device with a display unit for diagnosing trouble of a vehicle by communicating with an electronic control unit of the vehicle. The diagnosis device comprises means for displaying, on the display unit, parameters relating to operation of the vehicle for selection of the parameters to be measured, means for displaying, on the display unit, the selected parameters to be measured such that triggering conditions for the parameters to be measured may be set, means for displaying, on the display unit, a group of signs of trouble with the vehicle such that a set of parameters to be measured corresponding to a sign selected from the group of signs may be set together with the triggering conditions for measuring the set of parameters to be measured, and means for displaying, on the display unit, result of measurement of the parameters to be measured. | 10-25-2012 |
20130069650 | MAGNETIC RESONANCE IMAGING APPARATUS AND HIGH-FREQUENCY MAGNETIC FIELD PULSE MODULATION METHOD - Degradation of the slice excitation characteristics is prevented by making it possible to modulate a high frequency magnetic field pulse on the basis of a gradient magnetic field response that is actually used. In order to do so, an imaging pulse sequence including first and second measurement sequences is executed. In the first measurement sequence, the same slice selection gradient magnetic field pulse as a slice selection gradient magnetic field pulse used in the second measurement sequence is used. The phase of a magnetic resonance signal measured by the first measurement sequence is differentiated, and the waveform of the high frequency magnetic field pulse is calculated using the result. In the second measurement sequence, a high frequency magnetic field pulse with the calculated waveform is applied together with the slice selection gradient magnetic field pulse, and a magnetic resonance signal for an image is measured. | 03-21-2013 |
20130093878 | DEFECT ESTIMATION DEVICE AND METHOD AND INSPECTION SYSTEM AND METHOD - Acquired mask data of a defect portion is sent to a simulated repair circuit | 04-18-2013 |
20130147483 | MAGNETIC RESONANCE IMAGING APPARATUS AND MULTI-ECHO MULTI-CONTRAST IMAGING METHOD - In multi-echo multi-contrast imaging, the image quality is improved by suppressing an increase in imaging time. In order to do so, the arrangement order of echo signals that form an echo train and k space filled with each echo signal are determined such that the continuity of the echo arrangement is maintained while sharing an echo signal between contrasts in multi-echo multi-contrast imaging. Echo trains that perform echo sharing are arranged in non-oscillatory centric view ordering (NOCO). In addition, the starting point of echo sharing of one echo train is connected to the same position of another echo train. When some discontinuous regions are present, the discontinuous regions may be corrected using continuous data of regions symmetrical thereto on the k space. | 06-13-2013 |
20130158841 | INTERNAL COMBUSTION ENGINE DIAGNOSTIC DEVICE AND INTERNAL COMBUSTION ENGINE DIAGNOSTIC METHOD - An internal combustion engine diagnostic device and an internal combustion engine diagnostic method identify an abnormal cylinder having an abnormal air-fuel ratio among a plurality of cylinders during the operation of an internal combustion engine. The internal combustion engine diagnostic device comprises: an air-fuel ratio control unit for changing the air-fuel ratio in a stepwise manner by controlling a fuel injection amount adjusting means that adjusts the fuel injection amount of each of the plurality of cylinders; and an abnormal cylinder identification unit for identifying an abnormal cylinder on the basis of the relationship between each air-fuel ratio changed in a stepwise manner and the number of misfires occurring in the plurality of cylinders, the number being counted by a misfire counter for each air-fuel ratio changed in a stepwise manner. | 06-20-2013 |
20140363899 | METHOD FOR AVOIDING INFLUENCE OF ENDOGENOUS LIPOPROTEIN AND REAGENT - To identify the aforementioned interference component present in serum or plasma, to thereby provide means for avoiding any interference effect caused by the component. | 12-11-2014 |
20150139055 | TRANSMISSION APPARATUS, RECEPTION APPARATUS, COMMUNICATION SYSTEM, TRANSMISSION METHOD, AND RECEPTION METHOD - Provided is a transmission apparatus capable of reducing power consumption of a reception apparatus. The transmission apparatus includes a modulator that modulates a data signal to generate a transmission signal. The modulator modulates the data signal by assigning the data signal to a frequency difference between a first frequency and a second frequency in a carrier. | 05-21-2015 |
20150180431 | DC OFFSET CANCELLER - Two LPFs are disposed on the output side of a differential amplifier to remove an AC component contained in an output signal output from a first output terminal of the differential amplifier and an AC component contained in an output signal output from a second output terminal of the differential amplifier. The lowpass filter voltage of the output signal output from the first output terminal with the AC component removed is input to one of input terminals of one of two comparators, and the lowpass filter voltage of the output signal output from the second output terminal with the AC component removed is input to one of input terminals of the other comparator. | 06-25-2015 |
20150188587 | WIRELESS RECEIVER AND WIRELESS RECEIVING METHOD - A wireless receiver capable of realizing both reduction of electricity consumption and stable activation is provided. The wireless receiver includes: a power detector which detects power of a received signal; a first pattern detector which detects a predetermined signal pattern included in the received signal; a wireless communicator which performs wireless communication; a pattern detection activator which activates the first pattern detector when the power detector detects the power of the received signal; and a wireless communication activator which activates the wireless communicator when the first pattern detector detects the predetermined signal pattern in the received signal. | 07-02-2015 |
20150245293 | WIRELESS COMMUNICATION APPARATUS AND WIRELESS COMMUNICATION METHOD - A wireless communication apparatus in a first wireless communication system is equipped with a power detector for detecting power of a reception signal; an envelope detector for detecting an envelope signal of the reception signal; a signal determiner for determining whether the reception signal is a first signal to be used for a communication in the first wireless communication system, on the basis of a variation amount of the envelope signal; a wireless communicator for performing a wireless communication; and a wireless communication activator for activating the wireless communicator when the wireless communication apparatus detects power of the reception signal and determines that the reception signal is the first signal. | 08-27-2015 |
20160083169 | DOUBLE-WALLED CONTAINER - A double container includes an outer layer body constituting an outer shell; an inner layer body including an upper opening communicating with a containing space, accommodated in the outer layer body, and deformable to undergo volume reduction; an inside plug including a tubular wall extending toward the containing space, a spherical body serving as a valve body being disposed inside the tubular wall; and a dispensing plug fitted to a mouth portion of the outer layer body and including a dispensing tube connected to the tubular wall. The tubular wall includes an inclined wall having a diameter decreasing toward the containing space and configured to abut against the spherical body over an entire circumference and including a protruding wall protruding from the inclined wall to the containing space. The protruding wall includes a liquid holding member holding a pool of liquid medium of the content formed below the spherical body. | 03-24-2016 |