Abstract: Two trap circuits different in frequencies at which short-circuit is established are provided in an output matching circuit. Out of the two trap circuits, the trap circuit higher in frequency at which short-circuit is established is arranged closer to a power amplification element. Thus, a frequency band higher than a frequency twice as high as a central frequency of a transmission frequency band is trapped, impedance of the output matching circuit with respect to the frequency in a frequency band twice as high as the transmission frequency band on the side of an output end of the power amplification element is kept in a state close to short-circuit, and the trap circuit lower in frequency at which short-circuit is established traps the frequency band lower than the frequency twice as high as the central frequency of the transmission frequency band.

Abstract: A nitride semiconductor device includes a RESURF layer containing p-type InxGa1?xN (0<x?1); a channel layer, formed on this RESURF layer, containing InyGa1?yN (0?y<x); a barrier layer including a nitride semiconductor layer, formed on this channel layer, having a wider energy gap than the channel layer; and a prescribed electrode.

Abstract: There is used a distortion compensating circuit having a structure in which a circuit including a diode is connected between a signal path and a ground, wherein a voltage applied to the diode is a forward bias voltage, and an amount of change in a ratio between output power output from the signal path and input power input to the signal path with respect to the input power is zero or negative.

Abstract: Two trap circuits different in frequencies at which short-circuit is established are provided in an output matching circuit. Out of the two trap circuits, the trap circuit higher in frequency at which short-circuit is established is arranged closer to a power amplification element. Thus, a frequency band higher than a frequency twice as high as a central frequency of a transmission frequency band is trapped, impedance of the output matching circuit with respect to the frequency in a frequency band twice as high as the transmission frequency band on the side of an output end of the power amplification element is kept in a state close to short-circuit, and the trap circuit lower in frequency at which short-circuit is established traps the frequency band lower than the frequency twice as high as the central frequency of the transmission frequency band.

Abstract: There is used a distortion compensating circuit having a structure in which a circuit including a diode is connected between a signal path and a ground, wherein a voltage applied to the diode is a forward bias voltage, and an amount of change in a ratio between output power output from the signal path and input power input to the signal path with respect to the input power is zero or negative.

Abstract: A semiconductor device comprising a plurality of heterojunction bipolar transistors with their base layer made of GaAsSb or InGaAs, a GaAs substrate, and a buffer layer placed between the base layer and the substrate is fabricated. The substrate and the buffer layer that lie directly under the intrinsic regions of a part or all of the plurality of heterojunction bipolar transistors are removed. Thereby, a semiconductor device using HBTs that can operate with a power supply voltage of 2V or below can be provided at reduced cost as a well-reliable product, and a power amplifier with high power conversion efficiency can be provided.

Abstract: An oscillometric automatic blood-pressure measuring apparatus, including an inflatable cuff which is adapted to be wound around a portion of a living subject, so as to detect respective amplitudes of a plurality of heartbeat-synchronous pulses of a cuff pulse wave as an oscillatory component that is produced in the cuff in synchronism with heartbeats of the subject in a cuff-pressure change process in which a cuff pressure as a pressure in the cuff is changed, a cuff-pulse-wave-amplitude correcting device for correcting the respective amplitudes of the respective pulses of the cuff pulse wave, according to a predetermined non-linear relationship between difference between cuff pressure and subject's mean blood pressure, and amplitude of cuff pulse wave, and a blood-pressure determining device for determining a blood pressure of the subject based on a change of the corrected amplitudes of the cuff pulse wave.

Abstract: A semiconductor device comprising a plurality of heterojunction bipolar transistors with their base layer made of GaAsSb or InGaAs, a GaAs substrate, and a buffer layer placed between the base layer and the substrate is fabricated. The substrate and the buffer layer that lie directly under the intrinsic regions of a part or all of the plurality of heterojunction bipolar transistors are removed. Thereby, a semiconductor device using HBTs that can operate with a power supply voltage of 2V or below can be provided at reduced cost as a well-reliable product, and a power amplifier with high power conversion efficiency can be provided.

Abstract: A semiconductor device comprising a bipolar transistor having an emitter layer consisting of a semiconductor containing indium, and a protective insulating film containing silicon and oxygen which is formed on the surface of the guard ring of the emitter layer, wherein the protective insulating film has a density of oxygen of less than 7×1022 cm−3. This semiconductor device prevents performance deterioration and ensures high performance in a power amplifier.

Abstract: A semiconductor device comprising a plurality of heterojunction bipolar transistors with their base layer made of GaAsSb or InGaAs, a GaAs substrate, and a buffer layer placed between the base layer and the substrate is fabricated. The substrate and the buffer layer that lie directly under the intrinsic regions of a part or all of the plurality of heterojunction bipolar transistors are removed. Thereby, a semiconductor device using HBTs that can operate with a power supply voltage of 2 V or below can be provided at reduced cost as a well-reliable product, and a power amplifier with high power conversion efficiency can be provided.

Abstract: A continuous blood-pressure monitoring device apparatus including a cuff, a first determining device, a detecting device which detects a pressure pulse wave produced by an artery, a second determining device, a monitoring device, an information obtaining device a first change-value determining device, a second change-value determining device, and a relationship checking device.

Abstract: An apparatus for monitoring a blood-pressure waveform representing a blood pressure of a living subject, including a cuff which is around a portion of the subject, a blood-pressure determining device which determines a blood pressure of the subject based on a signal obtained while a pressure in the cuff is changed, a blood-pressure-waveform detecting device which continuously detects the blood-pressure waveform, a display device which displays the blood-pressure waveform, a cuff-using-blood-pressure-measurement starting device for operating, when a prescribed blood-pressure-measurement-starting condition is satisfied, the blood-pressure determining device to determine the blood pressure of the subject, a pulse-wave detecting device which is adapted to be worn on a portion of the subject that is not located on a downstream side of the portion around which the cuff is wound, an estimated-blood-pressure-waveform determining device for continuously determining, based on the pulse wave detected by the pulse-wave d

Abstract: A semiconductor device comprising a bipolar transistor having an emitter layer consisting of a semiconductor containing indium, and a protective insulating film containing silicon and oxygen which is formed on the surface of the guard ring of the emitter layer, wherein the protective insulating film has a density of oxygen of less than 7×1022 cm−3. This semiconductor device prevents performance deterioration and ensures high performance in a power amplifier.

Abstract: A diagnosis delivering method including a physical-information storing step of storing, in a physical-information storing server, a set of physical information obtained from a patient by a physical-information obtaining institution, a physical-information sending step of sending the set of physical information stored in the physical-information storing server at the physical-information storing step, to a doctor's terminal device operable by a doctor so that the doctor makes a diagnosis on the patient based on the physical information, and a diagnosis delivering step of delivering the diagnosis made by the doctor based on the physical information sent at the physical-information sending step, to a patient's terminal device operable by the patient and connected to the doctor's terminal device via a communication line.

Abstract: A method of providing doctor-evaluation data to a patient so that the patient selects, based on the doctor-evaluation data, one of a plurality of doctors remote from the patient and receives a diagnosis made by the selected doctor via a communication line, the method including the steps of updating a set of information that is related to evaluation of the selected doctor and provides part of the doctor-evaluation data stored by a server, based on an evaluation of the selected doctor that has been sent from a terminal device of the patient who has received the diagnosis made by the selected doctor; and sending, in response to a request signal sent from the terminal device of the patient, the doctor-evaluation data to the terminal device.

Abstract: A premium updating method including a physical-condition judging step of judging a physical condition of a contractor of an insurance, based on at least one of (a) a set of physical information obtained from the contractor and (b) a timewise change of a plurality of sets of physical information obtained from the contractor, at least one of (a) the set of physical information and (b) the sets of physical information being sent from a physical-information storing device via a communication line, a premium updating step of updating a premium paid by the contractor, based on the physical condition of the contractor judged at the physical-condition judging step; and a premium-information sending step of sending information representing the premium updated at the premium updating step, to a contractor's terminal device which is operable by the contractor.

Abstract: A heart-sound analyzing apparatus, including a heart-sound microphone which is adapted to be worn on a living subject to iteratively detect a second heart sound II of the subject, a respiration-synchronous-signal detecting device which iteratively detects a respiration-synchronous signal of the subject, an inspiration-expiration judging device for judging, based on each of the respiration-synchronous signals iteratively detected by the respiration-synchronous-signal detecting device, whether the subject is in an inspiring state or in an expiring state, and an aortic-valve-closing-timing determining device for iteratively determining a timing when the aortic valve of the heart of the subject closes, based on each of second heart sounds II which are iteratively detected by the heart-sound microphone in time intervals, respectively, in each of which the subject is judged as being in the inspiring state by the inspiration-expiration judging device.

Abstract: A method of supplying, from a server which is connected via a communication line to a plurality of member's terminal devices which are respectively operated by a plurality of members who are registered in advance in the server, at least one set of health-related information based on a set of medical information related to one of the members and stored in the server, to the one member, in response to a health-related-information request sent to the server from the one member, the method including a health-related-information-request identifying step of identifying the health-related-information request sent to the server from the one member, an information sending step of sending, when the health-related-information request sent from the one member has been identified, the health-related-information request sent from the one member, and the set of medical information related to the one member and stored in the server, to at least one dealer who is registered in advance in the server, in a manner that the one m

Abstract: A method of supplying, from a server which is connected via a communication line to a plurality of member's terminal devices which are respectively operated by a plurality of members who are registered in advance in the server, a set of instructive information based on a set of medical information related to one of the members and stored in the server, to the one member, in response to an instructive-information request sent to the server from the one member, the method including an instructive-information-request identifying step of identifying the instructive-information request sent to the server from the one member, an instructor selecting step of selecting, when the instructive-information request sent from the one member has been identified, one of a plurality of instructors who are registered in advance in the server, and an information sending step of sending, to the selected instructor, the set of medical information related to the one member and stored in the server, to request the instructor to mak

Abstract: A method of supplying, from a server which is connected via a communication line to a plurality of member's terminal devices which are respectively operated by a plurality of members who are registered in advance in the server, a set of statistical medical information produced by statistically processing a plurality of sets of medical information obtained from the members and stored in the server, to a user, the method including a medical-information supplying step of selecting, from the plurality of sets of medical information, a set of medical information related to a set of physical information sent to the server from one of the member's terminal devices, operated by one of the members, and supplying the selected set of medical information to the one member, an information storing step of storing the set of physical information of the one member and adding the set of physical information to the set of medical information related to the set of physical information, and a statistically processing step of sta