Patent application number | Description | Published |
20100121204 | BLOOD VESSEL STATE EVALUATING DEVICE, BLOOD VESSEL STATE EVALUATING METHOD, AND COMPUTER-READABLE RECORDING MEDIUM STORING BLOOD VESSEL STATE EVALUATING PROGRAM - A phase line tilt calculating unit (actual measurement) receives phase characteristics Pa(f) and Pb(f) outputted from frequency conversion units, and calculates phase difference characteristics of actual measurement based on a phase difference on each frequency component between the phase characteristics. A phase line tilt calculating unit (model) calculates phase difference characteristics between a transfer function Ga(f) and a transfer function Gb(f) calculated by a transfer function calculating unit, and outputs the calculated phase difference characteristics to a search unit. The search unit fits a variable k and determines a variable k | 05-13-2010 |
20110077534 | BLOOD PRESSURE INFORMATION MEASUREMENT DEVICE CAPABLE OF OBTAINING INDEX FOR DETERMINING DEGREE OF ARTERIOSCLEROSIS - A blood pressure information measurement device includes an air bladder wrapped around a central side of a measurement portion for pulse wave measurement and an air bladder wrapped at a peripheral side for blood pressure measurement. The air bladder for blood pressure measurement is increased to a pressure higher than a systolic blood pressure, and a blood pressure is measured. An internal pressure of the air bladder is maintained, a pulse wave is measured in avascularized state, and a feature point needed for calculating an index for determining an arteriosclerosis degree is extracted from the pulse wave. When the feature point is not extracted from the pulse wave, the internal pressure of the air bladder for blood pressure measurement is reduced to a pressure lower than the systolic blood pressure, a pulse wave in non-avascularized state is measured, and a feature point is extracted from the pulse wave. | 03-31-2011 |
20130237865 | BLOOD PRESSURE MEASUREMENT DEVICE TO BE USED ON WRIST OF PATIENT - A blood pressure measurement device includes a cuff, a display, a distance sensor, an acceleration sensor, and a CPU. The display displays a positional relationship between the patient's heart and the device, which includes a flat screen. The distance sensor measures a distance between the device and the patient, and detects a subject to be measured on a line perpendicular to the flat screen of the display and measures the distance. The acceleration sensor measures an angle of inclination of the device when mounted on the patient's wrist. The CPU calculates a positional relationship between the patient's heart and the device based on the distance between the device and the subject to be measured, the angle of inclination of the device mounted on the patient's wrist, the length of the patient's forearm and upper arm, and a vertical distance between the patient's shoulder and heart. | 09-12-2013 |
Patent application number | Description | Published |
20100073848 | SOLID ELECTROLYTIC CAPACITOR AND PRODUCTION METHOD THEREOF - In a solid electrolytic capacitor, a path of an electric current flowing from a lower layer to an upper layer of a laminate in cathode portions of respective capacitor elements connected through an electroconductive adhesive layer is opposite to paths of electric currents flowing from a canopy through joints to cathode terminals, thereby achieving reduction in ESL by mutual inductance effect in a simple structure. Since the solid electrolytic capacitor has the structure in which the laminate is surrounded by the canopy and joints, sufficient pressure resistance is ensured for the capacitor elements during resin injection. For this reason, a resin mold to cover the laminate can be formed by transfer molding, which ensures excellent heat resistance and moisture resistance. | 03-25-2010 |
20110005417 | PRINTING PLATE MATERIAL FOR LITHOGRAPHY - A printing plate material for lithography showing superior balance of suitability for ink-jet printing and printability is provided. A printing plate material for lithography can include a support and an image-receiving layer containing a binder resin and a matting agent and provided on the support and can be constituted so that a hydrophilic resin having an average degree of polymerization of 2500 or higher is contained as the binder resin, and a matting agent showing an oil absorption of 350 ml/100 g or larger can be contained as the matting agent. It can also be constituted so that, as the binder resin, 60% by weight or more of the hydrophilic resin having an average degree of polymerization of 2500 or higher is contained based on the total binder resin. It can also be constituted so that, as the matting agent, 35 to 100 parts by weight of the matting agent showing an oil absorption of 350 ml/100 g or larger is contained for 100 parts by weight of the binder resin. | 01-13-2011 |
20120036895 | HIGHLY ZIRCONIA-BASED REFRACTORY AND MELTING FURNACE - A highly zirconia-based refractory suitable for an electric melting furnace, which has a high electrical resistivity and does not exhibit a chipping off phenomenon and which is scarcely susceptible to extraction of components even when in contact with molten low alkali glass and, hence, is less susceptible to cracking during operation. The highly zirconia-based refractory that includes, as chemical components by mass %, from 85 to 95% of ZrO | 02-16-2012 |
20140370330 | HOT-DIP PLATED HIGH-STRENGTH STEEL SHEET FOR PRESSWORK EXCELLENT IN LOW-TEMPERATURE TOUGHNESS AND CORROSION RESISTANCE AND MANUFACTURING METHOD THEREOF - A hot-dip plated high-strength steel sheet for presswork having a tensile strength of 340 MPa or more and less than 540 MPa, a press formability capable of being applied to a fuel tank, excellent secondary work brittleness resistance and low-temperature toughness of a seam weld zone, and excellent corrosion resistance, is provided. It is characterized in that, in a high-strength steel sheet having a hot-dip plated layer on a surface of a cold-rolled steel sheet, the cold-rolled steel sheet contains, by mass %, C: 0.0005 to 0.0050%, Si: 0.30% or less, Mn: 0.70 to 3.00%, P: 0.05% or less, Ti: 0.01 to 0.05%, Nb: 0.01 to 0.04%, B: 0.0005 to 0.0030%, S: 0.01% or less, Al: 0.01 to 0.30%, N: 0.0005 to 0.010%, and a balance composed of Fe and inevitable impurities, and when the Ti content (%) is set to [Ti], the B content (%) is set to [B], and the P content (%) is set to [P], TB* defined by the following expression is 0.03 to 0.06, and [B] and [P] satisfy the following expression . | 12-18-2014 |
20150118518 | STEEL SHEET FOR ELECTROPLATING, ELECTROPLATED STEEL SHEET, AND METHODS FOR PRODUCING THE SAME - A steel sheet for electroplating includes, by mass %, C: 0.0005% to 0.0050%, Si: 0.20% to 1.0%, Mn: 0.40% to 2.5%, P: 0.05% or less, Ti: 0.010% to 0.050%, Nb: 0.010% to 0.040%, B: 0.0005% to 0.0030%, S: 0.02% or less, Al: 0.01% to 0.30%, N: 0.0010% to 0.01%, and the balance including Fe and impurities, in which when Si content is represented by [Si] and Mn content is represented by [Mn], “[Mn]+5[Si]” is 2.0 to 7.0, and the steel sheet has surface property in which an average of displacements of a measurement point obtained based on a moving average of continuous 31 points in total including 15 front points and 15 back points in a cross-sectional profile of a surface obtained by measuring the average of displacements in an evaluation length of 10 μm or more at an interval of 0.07 μm, is 0.005 μm to 0.10 μm. | 04-30-2015 |
Patent application number | Description | Published |
20100067740 | Pedestrian Detection Device and Pedestrian Detection Method - A near-infrared night vision device to which a pedestrian detection device is applied includes a near-infrared projector, a near-infrared camera, a display and an ECU. By executing programs, the ECU constitutes a pedestrian candidate extraction portion and a determination portion. The pedestrian candidate extraction portion extracts pedestrian candidate regions from near-infrared images. The determination portion normalizes the sizes and the brightnesses of the pedestrian candidates extracted by the pedestrian candidate extraction portion, and then computes the degrees of similarity between the normalized pedestrian candidates. The determination portion determines that a pedestrian candidate having two or more other pedestrian candidates whose degree of similarity with the pedestrian candidate is greater than or equal to a predetermined value is not a pedestrian. | 03-18-2010 |
20120206600 | IMAGE PROCESSING APPARATUS AND ITS ADJUSTMENT METHOD - In an image processing apparatus, an image acquisition unit acquires an image. A correction unit corrects pixel values of pixels composed of the acquired image by using correction coefficients to produce a correct image. An object recognition unit recognizes an object in the corrected image. A storage unit stores in advance standard color characteristics of a predetermined object which is a recognition target. A color characteristics acquisition unit acquires color characteristics of the predetermined object if the predetermined object is recognized by the object recognition unit. A comparison unit compares the color characteristics of the acquired object with the standard color characteristics of the same predetermined object stored in advance in the storage unit. An updating unit updates the correction coefficients used in the correction unit based on a result of comparison so as to reduce a difference between the color characteristics and the standard color characteristics. | 08-16-2012 |
20150098612 | METHOD AND APPARATUS FOR DETECTING LIGHT SOURCE OF VEHICLE - In a light control system, a captured image of a cruising direction of a vehicle is acquired, and a light source is extracted from the captured image. A probability for estimating a light source to be a vehicle light source originating from a vehicle is calculated based on light source parameters for differentiating the light source. A dark section that is darker than the periphery and is present below the light source in the captured image is extracted. The probability is set to be higher for the light source of which the dark section is extracted. The light source having a probability that is a reference value set in advance or higher is estimated to be a light source of another vehicle. When the dark section that is detected as a shadow of a vehicle is detected, the probability of the light source being a vehicle light source is set to be high. | 04-09-2015 |
20150131086 | TRAVELING ENVIRONMENT DETECTION DEVICE - A driving environment detection device acquires a captured image of the direction the host vehicle is travelling in, and from the captured image, extracts parameters relating to brightness of a road surface for a road driven by the host vehicle. Then, on the basis of the parameters, the driving environment of the vehicle is estimated. By way of such a light control system, it is possible to more accurately detect ambient brightness by estimating the driving environment in accordance with the parameters related to the brightness of the road surface. Therefore, it is possible to accurately detect the driving environment. | 05-14-2015 |
Patent application number | Description | Published |
20090176068 | Ink Composition - There is provided an ink composition for ink jet recording that is free from feathering or bleeding and, at the same time, can realize high-gloss images particularly advantageous when the ink composition is recorded on specialty papers. The ink composition comprises at least a colorant, water, and a surfactant, wherein
| 07-09-2009 |
20090233066 | INK COMPOSITION FOR INK JET RECORDING, RECORDING METHOD AND RECORDED MATTER - There is provided an ink composition that, even on various recording media, especially gloss paper of a printing paper base, can yield an image having excellent gloss, can realize good recovery from clogging and handleability of recorded matter, and, at the same time, can realize excellent ejection stability and color reproduction. The ink composition for ink jet recording comprises at least a colorant, water, an alkanediol, and a surfactant, wherein the alkanediol comprises a water soluble 1,2-alkanediol and a water soluble alkanediol having a hydroxyl group at both ends of its main chain, and the surfactant is a polyorganosiloxane. | 09-17-2009 |
20090258198 | INK COMPOSITION FOR INK JET RECORDING, RECORDING METHOD AND RECORDED MATTER - There is provided an ink composition for ink jet recording that, even on printing paper for running-on, can realize excellent gloss and good color reproduction and, at the same time, is excellent in ejection stability and recovery from clogging. The ink composition for ink jet recording comprises at least a colorant, water, an alkanediol, and a surfactant, wherein the alkanediol comprises a water soluble 1,2-alkanediol and a slightly water soluble 1,2-alkanediol, and the surfactant is a polyorganosiloxane. | 10-15-2009 |
20090297790 | Magenta Ink Composition, Ink Cartridge, and Recording System and Recorded Matter Using the Same - This invention provides a magenta ink composition that, when recorded, is excellent in color development, graininess, and gloss, is less likely to cause clogging in an ink jet recording head, and is excellent in color reproduction in a high-chroma and high-lightness red region. The magenta ink composition has an L* value of not less than 60 and a b* value of not more than −17 when the a* value in CIE standard calculated from a visible absorption spectrum in a not more than 10000-fold diluted aqueous solution is 80. | 12-03-2009 |
Patent application number | Description | Published |
20090123849 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The present application provides a nonaqueous electrolyte secondary battery that includes, a cathode capable of being electrochemically doped/dedoped with lithium, an anode capable of being electrochemically doped/dedoped with lithium, and an electrolyte placed between the cathode and the anode, wherein the electrolyte contains at least one of fluoro ethylene carbonate represented by Chemical Formula (1) and difluoro ethylene carbonate represented by Chemical Formula (2) as a solvent and the ratio of a discharge capacity B during discharging at a 5C rate to a discharge capacity A during discharging at a 0.2C rate ((B/A)×100) is 80% or more. | 05-14-2009 |
20110135991 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND SEPARATOR - A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode. The separator includes a substrate layer and a surface layer formed on at least one principal plane of the substrate layer, the surface layer contains polyvinylidene fluoride and an inorganic material particle, and an amount of deformation against pressure of the surface layer is larger than that of the substrate layer. | 06-09-2011 |
20140080007 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The present application provides a nonaqueous electrolyte secondary battery that includes, a cathode capable of being electrochemically doped/dedoped with lithium, an anode capable of being electrochemically doped/dedoped with lithium, and an electrolyte placed between the cathode and the anode, wherein the electrolyte contains at least one of fluoro ethylene carbonate represented by Chemical Formula (1) and difluoro ethylene carbonate represented by Chemical Formula (2) as a solvent and the ratio of a discharge capacity B during discharging at a 5C rate to a discharge capacity A during discharging at a 0.2C rate ((B/A)×100) is 80% or more. | 03-20-2014 |
Patent application number | Description | Published |
20110232085 | Method of Fabricating Wiring Board - A method of fabricating a wiring board including at least one conductor layer and at least one resin insulating layer, the method including a wiring groove forming step of forming a wiring groove in the resin insulating layer by irradiating a surface of the resin insulating layer with a laser, and a wiring layer forming step of forming the conductor layer such that at least a portion of the conductor layer is embedded in the wiring groove to form a wiring layer in the wiring groove. | 09-29-2011 |
20110232943 | MULTILAYER WIRING BOARD - There is provided a multilayer wiring board, which has a board body formed with two opposite main surfaces and includes a first resin insulating layer, a second resin insulating layer laminated to the first resin insulating layer and a wiring pattern arranged between the first and second resin insulating layers with a first surface of the wiring pattern abutting the first resin insulating layer and a second surface of the wiring pattern abutting the second resin insulating layer. The multilayer wiring board is characterized in that the wiring pattern extends in a plane direction of the board body and is embedded in both of the first and second resin insulating layers. | 09-29-2011 |
20120110839 | METHOD OF MANUFACTURING WIRING BOARD - Disclosed is a manufacturing method of a wiring board with at least one conduction layer and at least one resin insulation layer. The manufacturing method includes an opening forming step of forming openings in the resin insulation layer and a paste filling step of filling a copper paste into the openings to form the conduction layer from the copper paste. | 05-10-2012 |
20120152596 | WIRING BOARD - A wiring board including a conductor post corresponding to high-density packaging is provided. The wiring board may include a conductor layer, a solder resist layer laminated thereon, and a conductor post provided at least within the through-hole and that is electrically connected to a conductor layer which is disposed in a lower portion of a through-hole provided in the layer, wherein the solder resist layer comprises a thermosetting resin; the conductor post comprises tin, copper, or a solder and includes a lower conductor post located within the through-hole and an upper conductor post located above the lower conductor post and projected outside the layer; the lower conductor post includes an external alloy layer disposed on an external side surface thereof; and the conductor post is brought into intimate contact with an internal side surface of the through-hole via the external alloy layer. | 06-21-2012 |
20120152597 | WIRING BOARD AND METHOD OF MANUFACTURING THE SAME - A wiring board including a conductor post corresponding to high-density packaging is provided. The wiring board may comprise a conductor layer, a solder resist layer laminated on the conductor layer, and a conductor post that is electrically connected to a conductor layer which is disposed in a lower portion of a through-hole provided in the solder resist layer, wherein the solder resist layer comprises a thermosetting resin; the conductor post comprises tin, copper, or a solder; the conductor post includes a lower conductor post, which is located within the through-hole and includes an external side surface and a lower end surface, and an upper conductor post, which is located above the lower conductor post and is projected outside the solder resist layer; and at least a part of a lower end surface of the upper conductor post is brought into intimate contact with an outer surface of the solder resist layer. | 06-21-2012 |
20120152598 | WIRING BOARD AND METHOD OF MANUFACTURING THE SAME - Disclosed is a method for manufacturing a wiring board including a conductor layer, a solder resist layer laminated on the conductor layer, and a conductor post to be electrically connected to a conductor layer which is disposed in a lower portion of a through-hole provided in the solder resist layer, the method including a through-hole boring process of boring the through-hole in the solder resist layer containing a thermosetting resin to expose the conductor layer within the through-hole; a first conductor part forming process of forming a first conductor part composed mainly of copper within the through-hole; and a second conductor part forming process of forming a second conductor part composed mainly of tin, copper, or a solder on the first conductor part, in this order. | 06-21-2012 |
20120205039 | METHOD FOR MANUFACTURING MULTILAYER WIRING SUBSTRATE - A method for manufacturing a reliable multilayer wiring substrate at a relatively low cost having little or no warpage or distortion is provided. In certain embodiments an insulation core made of an insulation material that is more rigid than that of resin insulation layers is prepared. A through hole is formed through core upper and lower surfaces of the insulation core, and a through hole conductor is formed therein. A plate-like substrate is prepared, and resin insulation layers and at least one conductor layer are laminated on the substrate to form a first buildup layer. The insulation core is laminated on the first buildup layer so as to electrically connect the conductor layer and the through hole conductor. Resin insulation layers and at least one conductor layer are then laminated on the insulation core. Lastly, the substrate is separated from the first buildup layer to yield a multilayer wiring substrate. | 08-16-2012 |
20120205142 | WIRING SUBSTRATE AND METHOD OF MANUFACTURING THE SAME - A wiring substrate is configured such that each of laminate portions provided above and below a substrate core includes insulating layers and conductor layers stacked alternately. Of the conductor layers of the laminate portions, signal line layers are treated with a silane coupling treatment, which is a surface modification treatment, so that each signal line comprises a flat surface. A roughening treatment is performed on the remaining conductor layers of the laminate portions such that the surfaces of these layers are roughened. This structure provides an advantage when high-frequency signals are transmitted through the signal line layers. That is, when each signal line comprises a flat surface, an increase in conductor loss due to the skin effect can be prevented. In addition, by means of chemical bonding attained through the silane coupling treatment, the reliability of adhesion between the signal line layers and the insulating layer is sufficiently attained. | 08-16-2012 |
20130032485 | METHOD OF FABRICATING CIRCUIT BOARD - A method of fabricating a circuit board including at least one insulation layer and at least one wiring layer, the method including a first step of forming a wiring trench in a surface of the insulation layer, a second step of forming a conductor layer serving as the wiring layer in the wiring trench such that at least a portion of the conductor layer is embedded in the wiring trench, and a third step of cutting a surface of the conductor layer with a cutting tool to form the wiring layer. | 02-07-2013 |
Patent application number | Description | Published |
20130222477 | INK JET RECORDING APPARATUS - There is provided an ink jet recording apparatus including: first cleaning which performs non-recording ejection of ink for ink jet recording to an ink receiving medium and cleans a nozzle and a nozzle surface of a print head; second cleaning which moves the print head to the ink receiving medium, performs non-recording ejection of the ink for ink jet recording from the print head to the ink receiving medium under a condition that the amount of the ink for ink jet recording is smaller than an amount of the ink ejected in the non-recording ejection by the first cleaning and an execution frequency is higher than that in the first cleaning, and cleans the nozzle of the print head; and a wiping mechanism which wipes the nozzle surface by using a wiping member. | 08-29-2013 |
20140085365 | PRINTING APPARATUS AND PRINTING METHOD - A printing apparatus, has a head having a plurality of nozzles for discharging an ink containing thermoplastic resin particles and having a viscosity at 50° C. of 2.1 mPa·s or more to a non-ink-absorbing medium and a drive element provided in each of the nozzles, a heating portion which heats the medium, and a control portion which drives the drive elements by applying a drive waveform to discharge ink droplets from the nozzles corresponding to the drive elements, in which a first ink droplet is discharged from the nozzle by the application of the drive waveform to the drive element, and the discharge speed of an ink droplet whose discharge speed is lower of a second ink droplet and a third ink droplet discharged accompanying the first ink droplet is 4.0 m/s or more. | 03-27-2014 |
20140240393 | INK SET FOR INK JET RECORDING, AND RECORDING APPARATUS - An ink set includes a recording ink and a displacement ink. The recording ink contains a pigment, a resin, water, and a first surfactant and is substantially free of alkyl polyols with a normal boiling point of 280° C. or more. The displacement ink contains water, a second surfactant, an aprotic polar solvent, and an alkyl polyol with a normal boiling point of 280° C. or more. Each of the first surfactant and the second surfactant includes a silicone surfactant and/or a fluorosurfactant. The resin includes a water-soluble resin and/or a resin emulsion. The recording ink has a higher surface tension than that of the displacement ink. | 08-28-2014 |
Patent application number | Description | Published |
20140257116 | ELECTRONIC BLOOD PRESSURE METER - An electronic blood pressure meter includes a cuff, an inflation control unit that controls a pump for outputting a fluid into the cuff so that a pressure in the cuff is increased at an inflation speed target in accordance with a driving voltage, a pressure detection unit that detects a cuff pressure signal indicating a cuff pressure, a blood pressure calculation unit that calculates a blood pressure value based on a pulse wave superimposed on the detected cuff pressure signal, and a target changing unit that varies the inflation speed target during an inflation process in which the cuff pressure begins to increase at an initial inflation speed target and continues to increase. The target changing unit varies the inflation speed target so that the driving voltage measured during the inflation process stays within a voltage range corresponding to a range in which the pump is capable of output. | 09-11-2014 |
20140257117 | MEASUREMENT DEVICE, MEASUREMENT METHOD, AND RECORDING MEDIUM STORING A MEASUREMENT PROGRAM - A measurement device includes a detection device to detect a pulse wave signal at a first measurement location in a vascular pathway from the heart of a measurement subject to an area where an arterial aneurysm is predicted to occur and a pulse wave signal at a second measurement location in a vascular pathway from the heart of the measurement subject to an area that is different from the area where an arterial aneurysm is predicted to occur, a comparison device to calculate a comparison result by comparing frequency characteristics between the pulse wave signals, and a determination device to determine at least one of the presence/absence and size of an arterial aneurysm based on a predetermined characteristic amount for a frequency contained in the comparison result. | 09-11-2014 |
20140316290 | ELECTRONIC BLOOD PRESSURE METER - A blood pressure meter includes an adjustment unit that adjusts a pressure in a cuff by controlling a piezoelectric pump that uses a piezoelectric vibrator to supply fluid to the cuff, a driving control unit that gradually changes a cuff pressure by performing driving control on the adjustment unit, a pressure detection unit that detects the cuff pressure, a blood pressure determination unit that determines a blood pressure value, a circumferential length detection unit that detects a circumferential length of the measurement area, a battery that supplies power to various units, and a decrease detection unit that detects a voltage decrease value for the battery during blood pressure measurement. Based on the circumferential length and the voltage decrease value detected in an initial inflation period when the blood pressure measurement is first started, a range of the voltage decrease value during blood pressure measurement carried out thereafter is estimated. | 10-23-2014 |
20150182147 | BLOOD PRESSURE MEASUREMENT APPARATUS AND CONTROL METHOD FOR THE SAME - A CPU of a blood pressure measurement apparatus configured to be used while attached to a wrist of a measurement subject calculates an inclination angle formed by a forearm of the measurement subject with respect to a reference plane, and a rotation angle about an axis, where the forearm is used as the axis, of the blood pressure measurement device, based on information detected by an acceleration sensor, and uses the distance d between the radial artery and the ulnar artery that pass through the wrist, the inclination angle, and the rotation angle to determine the relative positional relationship between the radial artery and the ulnar artery. In accordance with the relative positional relationship, the CPU guides the measurement orientation of the measurement subject. | 07-02-2015 |
20150190064 | BLOOD PRESSURE MEASUREMENT APPARATUS AND PULSE WAVE DETECTION METHOD - The blood pressure measurement apparatus includes a pressure sensor that detects the pressure in a cuff and outputs a cuff pressure signal, and a pulse wave detection unit that detects a pulse wave in the cuff pressure signal. The pulse wave detection unit includes an analog HPF that extracts a high-frequency component from the cuff pressure signal, an A/D conversion unit, a signal storage unit that stores a signal obtained by performing A/D conversion on the cuff pressure signal detected at the time when the pressurizing pressure changes from increasing to decreasing, a subtraction unit that subtracts the signal stored by the signal storage unit from an output signal of the A/D conversion unit, and a digital HPF that extracts a high-frequency component from the output signal of the subtraction unit. | 07-09-2015 |
20150196206 | BLOOD PRESSURE MEASUREMENT APPARATUS, BLOOD PRESSURE MEASUREMENT METHOD, AND BLOOD PRESSURE MEASUREMENT PROGRAM - A CPU detects pulse waves in a pressure signal of a cuff detected during a period of reducing pressure applied by the cuff to a measurement site and acquires blood flow sound signals corresponding to blood flow sounds occurring in the pressure reduction period. Then, data for a pulse wave envelope that associates the amplitude values of the detected pulse waves with the pressurizing pressures at the pulse wave generation times, and data for a blood flow sound envelope that associates the amplitude values of the blood flow sound signals with the pressurizing pressures at the blood flow sound generation times are generated, and the data for the pulse wave envelope and the data for the blood flow sound envelope are used to determine whether or not there is periodic variation in the blood pressure during the pressure reduction period. | 07-16-2015 |