Abstract: An aspect of the present invention is related to a method for determining a right intensity for fitness level or exercise stress that includes a first step of inspection a first change of amplitudes of a first heart sound with regard to a second change of intensities of exercise stress, a second step of inspection of a third change of ratios of a first length of a cardiac dilation period relative to a second length of one cardiac cycle with regard to the second change, a third step of identification of a folding point of the first change, and a fourth step of determination of an intensity of the intensities at the folding point as the right intensity of exercise stress if a ratio of the ratios at the intensity is higher than a predetermined value.

Abstract: An exercise load intensity evaluation device includes a pulse wave detection section which is attached to a subject during exercise and noninvasively detects a peripheral pulse wave. An ejection duration calculation section measures ejection duration from a feature of the pulse wave (dicrotic notch, for example) which reflects the cardiac ejection duration based on the detected pulse wave. The ejection duration measured at each measurement time by the ejection duration calculation section is input to an ejection duration change detection section, and the ejection duration change detection section detects a change in the ejection duration. Exercise load intensity of the subject during exercise is evaluated based on output from the ejection duration change detection section.

Abstract: An information processing system that is configured in such a manner that computational processing is performed on input data in accordance with a processing sequence, for outputting data, comprises: a plurality of arithmetic units (7-1 to 7-x), each computing at an arithmetic precision 2m bits (where m is a natural number) based on the processing sequence; and a plurality of cascade connection terminals for cascading these arithmetic units each other. When the maximum arithmetic precision that is required during computational processing is 2n bits (where n is a natural number and is fixed), x numbers of (where x is a natural number) the arithmetic units are cascaded in a manner such that the inequality x?2n/2m is satisfied. When an arithmetic precision of 2n1 bits (where n1?n, and n1 is variable) is necessary during computational processing, x1 numbers of the arithmetic units are cascaded in a manner such that the inequality x1?2n1/2m (where x1 is a natural number and is variable) is satisfied.

Abstract: A medical treatment position selection device includes a load motion instructing unit that instructs a load motion as a movement of a living body, and a medical treatment position instructing unit that instructs a medical treatment position corresponding to the load motion instructed by the load motion instructing unit.

Abstract: An information processing apparatus, a failure monitoring method and a failure monitoring computer program can prevent serious problems from arising by recognizing the increase in the electric current consumption that is caused by a change in the impedance of an electronic part and predicting the trouble that can occur in the related logic circuit and/or the power supply circuit or, if the trouble occurs, detecting it quickly.

Abstract: The present invention constructs a flexible power supply backup system corresponding to electronic devices (apparatuses) at low cost, and realizes reliable operation of the apparatuses. There is provided a power controller 1 that controls power of an apparatus 100 provided with a backup power supply for power supply, which includes a power failure state determination unit 21 that determines the power failure state of the power supply, a power supply installation state determination unit 22 that determines the installation state of the backup power supplies 3, 7, etc. installed in the apparatus 100, and a power control unit 23 that, in case the power failure state is determined by the power failure state determination unit 21, controls power using the backup power supply based on determination result by the power failure state determination unit 21 and determination result by the power supply installation state determination unit 22.

Abstract: A physiological function assisting device 1 is embedded in the body, and is provided with a transmitter 11 and receiver 12 for communicating with an external controller 2. External controller 2 controls embedded physiological function assisting device 1 from the outside. External controller 2 is provided with a transmitter 21 and receiver 22 for communicating with physiological function assisting device 1. Transmitters 11,21 modulate the plane of polarization of laser light, and emit the result as a transmission signal. Receivers 12,22 selectively receive light of a specific polarization state. Receivers 12,22 respectively output electric signals corresponding to the polarization state (polarization angle or ellipticity) of the received light. As a result, full duplex communications between a strongly dispersing medium like the human body and the outside is possible, while the power consumed by the internal device can be reduced.

Abstract: The present invention relates to a device for diagnosing physiological state based on blood pulse waves detected in the body. It is the objective of the present invention to provide a device which correctly diagnoses the current physiological state based on changes in physiological state measured over a specified period of time in the past while taking into consideration the cyclical variation exhibited in physiological state.

Abstract: A personal verification device includes a fingerprint sensor which detects a fingerprint of an operator, and a pulse wave sensor which detects a pulse wave of the operator. An index extraction section processes the pulse wave detected by the pulse wave sensor and extracts at least one index. First reference information which is compared with a fingerprint is stored in a first reference information storage section. Second reference information which is compared with the at least one index is stored in a second reference information storage section. A verification section outputs a signal indicating that the operator is true when it is determined that the operator is a registered person based on the result of comparison between the fingerprint and the first reference information, and it is determined that the operator is alive based on the result of comparison between the at least one index and the second reference information.

Abstract: A pulse waveform of a living body is detected and is analyzed using peak point data or timing data to perform a diagnosis of a condition of the body.

Abstract: A meridian point-probing device includes a pulse wave-detecting unit for detecting pulse waves, a stimulation unit having an end that stimulates a position of skin of a trial subject, a memory unit for storing pulse waveforms detected by the pulse wave-detecting unit before and after the stimulation of the position by the stimulation unit, and a meridian point determination unit for determining whether the stimulation position is a meridian point, according to the pulse waveforms stored in the memory unit. The position of the meridian point can be objectively determined with high reproducibility.

Abstract: A pulse wave analyzing apparatus that detects a pulse wave from a living body and computes a waveform distortion factor and determines a waveform shape for performing a diagnosis of a condition of the living body.

Abstract: A blood water content detection device includes a pulse wave detection section which noninvasively detects a peripheral pulse wave, and an index extraction section which extracts an index which changes depending on a blood water content from the detected pulse wave. The blood water content detection device may include a low-cut section which removes a low frequency component which becomes noise from the pulse wave detected by the pulse wave detection section. The blood water content detection device may further include first and second differentiation sections. The index extraction section extracts a pulse height ratio (b/a) or (d/a) of a second differential waveform as the index, for example.

Abstract: An exercise load intensity evaluation device includes a pulse wave detection section which is attached to a subject during exercise and noninvasively detects a peripheral pulse wave. An ejection duration calculation section measures ejection duration from a feature of the pulse wave (dicrotic notch, for example) which reflects the cardiac ejection duration based on the detected pulse wave. The ejection duration measured at each measurement time by the ejection duration calculation section is input to an ejection duration change detection section, and the ejection duration change detection section detects a change in the ejection duration. Exercise load intensity of the subject during exercise is evaluated based on output from the ejection duration change detection section.

Abstract: The present invention relates to a diagnosis apparatus for analyzing arterial pulse waves comprising a database 26 in which is stored data showing the relationship between data representing a pulse wave of a living body and teaching data representing conditions of the living body; and a micro-computer 21 for outputting teaching data corresponding to the pulse wave detected from the living body in the teaching data on the basis of the pulse wave detected from the living body and the stored data inside database 26. As a result, it becomes possible to perform diagnoses equivalent to a skilled doctor.

Abstract: A central blood pressure waveform estimation device has a pulse wave detection section, a transfer function storage section, and a central blood pressure waveform calculation section. The pulse wave detection section non-invasively detects a peripheral pulse wave. The transfer function storage section stores a transfer function calculated in advance based on a peripheral pulse waveform detected by the pulse wave detection section and a central blood pressure waveform invasively measured. The central blood pressure waveform calculation section calculates a central blood pressure waveform based on a peripheral pulse waveform newly detected by the pulse wave detection section and the transfer function stored in the transfer function storage section.

Abstract: An information processing system that is configured in such a manner that computational processing is performed on input data in accordance with a processing sequence, for outputting data, comprises: a plurality of arithmetic units (7-1 to 7-x), each computing at an arithmetic precision 2m bits (where m is a natural number) based on the processing sequence; and a plurality of cascade connection terminals for cascading these arithmetic units each other. When the maximum arithmetic precision that is required during computational processing is 2n bits (where n is a natural number and is fixed), x numbers of (where x is a natural number) the arithmetic units are cascaded in a manner such that the inequality x≧2n/2m is satisfied. When an arithmetic precision of 2n1 bits (where n1≦n, and n1 is variable) is necessary during computational processing, x1 numbers of the arithmetic units are cascaded in a manner such that the inequality x1≧2n1/2m (where x1 is a natural number and is variable) is satisfied.

Abstract: A biological information evaluation apparatus includes a waveform parameter detection section, a corresponding relation storage section, and a blood vessel evaluation information deriving section. The waveform parameter detection section detects a waveform parameter such as an after-ejection pressure ratio or dicrotic wave height ratio based on a pulse waveform. The corresponding relation storage section stores the corresponding relation between the blood vessel evaluation information and the waveform parameter which is derived in advance. The blood vessel evaluation information deriving section derives the blood vessel evaluation information based on the waveform parameter detected by the waveform parameter detection section and the corresponding relation. The waveform parameter detection section includes a pulse wave sensor which detects the pulse waveform, and a waveform parameter calculation section which calculates the waveform parameter from the pulse waveform.

Abstract: A meridian point-probing device includes a pulse wave-detecting unit for detecting pulse waves, a stimulation unit having an end that stimulates a position of skin of a trial subject, a memory unit for storing pulse waveforms detected by the pulse wave-detecting unit before and after the stimulation of the position by the stimulation unit, and a meridian point determination unit for determining whether the stimulated position is a meridian point, according to the pulse waveforms stored in the memory unit. The position of the meridian point can be objectively determined with high reproducibility.

Abstract: In order to enable a user to easily and quickly ascertain his body's state of relaxation, the device is provided with: a physiological information extractor 101 for extracting an indicator expressing physiological state from user Y; a storage member 102 for storing the extracted indicator; a judging member 103 for analyzing the change over time in the stored indicator, and determining whether or not the user's condition has improved toward a state of greater relaxation based on the indicator; and a notifying member 104 for providing notice that the body has moved toward a state of greater relaxation, if the results of the aforementioned determination are affirmative.