JP2010207553A - Cellular phone terminal and health condition monitoring system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problems of the conventional health condition monitoring device for detecting biological signals such as a heart rate signal, a respiratory signal, a body motion signal and a snore signal to be used for health management, wherein a dedicated device is required, and mostly the device is used as a floor type, so that it is difficult to use the device in a place different from a predetermined plate. <P>SOLUTION: This health condition monitoring device uses a cellular phone terminal having a built-in microphone capable of detecting a pressure change in a low-frequency region as a detecting terminal for a biological signal. The device has excellent portability, and measured data can be transmitted even to a remote place. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a mobile phone terminal that detects pressure fluctuations in a low frequency region using a built-in microphone and a health condition monitoring system using the same.

  Those who work late at night or with irregular work systems often do not get good sleep, and even those who are said to be healthy have reduced their average sleep time by about an hour over the past 20 years. is doing. Many people are also worried that they cannot get good sleep due to mental stress. It is well known that good sleep is important for maintaining health, and many attempts have been made to help health management by knowing the state of the body during sleep, including the depth of sleep. .

  In addition, for various cases such as sleep disorders caused by apnea syndrome and sleep disorders caused by aging, it is indispensable in the treatment of these symptoms to know the state of the body during sleep, including the depth of sleep. It is believed that.

  The sleep depth is largely classified into “wakefulness”, “REM sleep” and “NREM REM sleep”, and non-REM sleep is classified from the first stage to the third stage or from the first stage to the fourth stage depending on the depth of sleep. It is classified. These sleep depth classifications are determined from the appearance frequency of delta waves in the electroencephalogram, the appearance of spindle waves, rapid eye movements, and jaw electromyograms, but expensive polygrams are necessary to make this determination. It is not a usable method. In addition, for detection of an electroencephalogram or the like, it is necessary to attach electrodes to the head, the heel, and the jaw, and it is difficult to apply it when sleeping in daily life.

  As means for solving the above-described problems, a method for determining a sleep depth from body movement, heartbeat fluctuation or respiratory fluctuation during sleep has been proposed. It is known that body motion, heart rate variability, or respiratory variability is deeply correlated with sleep depth, and the depth of sleep is determined by measuring body motion, heart rate variability, or respiratory variability with a highly sensitive pressure sensor or optical sensor. Is possible.

  Traditionally known methods for determining the sleep state (stage) from body movement, heart rate variability, or respiratory variability during sleep are assumed to be used in a certain place. Most of these types are large in size, and the portability of dedicated detectors for measuring body movements, heart rate variability or respiratory variability during sleep is not taken into consideration. As a result, there is a problem that it is difficult to measure a sleep state in a place away from a place where people live on a daily basis, such as a trip or a business trip.

  In addition, it is necessary to adjust the position of the sensor for detecting body movement, heart rate variability or respiratory variability during sleep, and it takes time to install the sensor when the place of use is changed. There is.

  As described above, conventional devices for detecting biological signals such as body movement, heart rate variability, and respiratory variability during sleep are configured to be used at a predetermined location and can be applied at any location. There is a problem that is difficult. In addition, none of the means for transmitting the measured detection data to a remote place is considered to be portable.

  The present invention provides detection means that can detect biological signals such as body movements, heart rate fluctuations, and respiratory fluctuations during sleep, and other low-frequency pressure fluctuations, and is excellent in portability and easy to use. The purpose is to do.

  Furthermore, the present invention can detect biological signals such as body movements during sleep, heart rate variability or respiratory variability at any location, and can transmit measurement data to a remote location. An object of the present invention is to provide a biosignal detection means and a health monitoring system capable of obtaining information necessary for health monitoring from data.

  In order to achieve the above object, a mobile phone terminal according to the present invention forms a microphone built in a mobile phone terminal so that a change in pressure in a low frequency region below a voice band can be detected, and a low frequency such as a biological signal is detected. It is used as a pressure fluctuation detecting means for a region.

  According to the first solution described above, the microphone built in the mobile phone terminal is formed so as to detect pressure fluctuations (differential pressure) in the low frequency region below the voice band. It can be used as means for detecting biological signals such as movement and wrinkles. Further, it can be used as a means for detecting pressure changes such as opening and closing of a door in a sealed room or a space in an automobile.

  The second solving means of the present invention is the mobile phone terminal of the first solving means, wherein the mobile phone terminal is housed and used in a flexible sealing case, or the outside air of the mobile phone terminal is used. It is characterized by plugging the circulation part and using it in a sealed state, and can reliably convey low-frequency pressure fluctuations to the built-in microphone.

  A third solving means of the present invention is a mobile phone terminal of the first solving means, characterized by comprising a switching means between a function as a mobile phone terminal and a pressure fluctuation detection function, and is used as a mobile phone Or use as a sensor for detecting pressure fluctuations in the low frequency region.

  A fourth solving means of the present invention is a mobile phone terminal of the first solving means, characterized by comprising signal transmitting means capable of transmitting a detection signal by a pressure fluctuation detection function to the outside. It is possible to transmit the detected data to an external device, and advanced analysis, analysis, and processing can be performed by the external device.

  A fifth solving means of the present invention is the mobile phone terminal of the fourth solving means, wherein the signal transmitting means transmits to the outside via a terminal provided in the mobile phone terminal, Data detected by the mobile phone terminal can be transmitted to an external device using a communication cable.

  A sixth solving means of the present invention is the mobile phone terminal of the fourth solving means, wherein the signal transmitting means transmits to the outside by wireless communication, and is an external device in a remote place. Can also send detection data.

  The seventh solving means of the present invention is the mobile phone terminal of the first solving means, characterized in that the detected biological signal is at least one of a pulse wave, breathing, body movement, and sputum, By detecting biological signals such as pulse wave, respiration, body movement, and sputum from the composite signal emitted from the body detected in the mobile phone terminal, the health condition can be clearly known.

  According to an eighth aspect of the present invention, there is provided a health condition monitoring system including a mobile phone terminal, the mobile phone terminal described in the first to seventh solutions, and the pressure of the mobile phone terminal. A receiving means for receiving a biological signal detected by the fluctuation detecting means outside the mobile phone terminal; and a health condition monitoring section for performing information processing necessary for health management from detection data by the pressure fluctuation detecting means. Features.

  According to the health monitoring system including the mobile phone terminal of the eighth solving means described above, the mobile phone terminal that detects the pressure fluctuation of the biological signal, the receiving unit that receives the detected biological signal, and the detection data Since it is composed of a health condition monitoring unit that uses and monitors the health condition, it is possible to monitor the health condition by performing measurement at any place regardless of the place where the biological signal is detected.

  The mobile phone terminal of the present invention is configured so that the built-in microphone can detect pressure fluctuation (differential pressure) in a low frequency region below the voice band, and the microphone is housed in a sealed state. If the mobile phone terminal is placed under the sleeping body, it can be used as a means for detecting biological signals such as heartbeat, respiration, body movement, and wrinkle. Further, it is possible to detect a pressure change such as opening and closing of a door in a sealed space such as a room or a car.

  In addition, the health condition monitoring system provided with the mobile phone terminal of the present invention includes a receiving means for receiving a biological signal detected by the pressure fluctuation detecting means of the mobile phone terminal described above outside the mobile phone terminal, and the pressure fluctuation. Because it consists of a health condition monitoring unit that performs information processing necessary for health management from detection data by the detection means, it can detect biological signals such as heartbeat, respiration, body movement and sputum at any place using a mobile phone terminal Can do. In addition, since the detection data can be transmitted by the communication function of the mobile phone terminal even in a remote place, a health condition monitoring system can be configured regardless of the place of use.

  As described above, the cellular phone terminal of the present invention can detect pressure fluctuations in the low frequency region at an arbitrary place, and can be used as a security device when used in a sealed space. If it is placed on the lower side of the body, it is possible to detect biological signals such as heartbeat, respiration, body movement and sputum. Furthermore, if a health condition monitoring system is configured using the mobile phone terminal of the present invention, a health condition monitoring apparatus capable of grasping the health condition during sleep at any location can be configured.

  With reference to the drawings, a mobile phone terminal and a health condition monitoring system including the mobile phone terminal of the present invention will be described in detail. In addition, this invention is not limited by a present Example.

  FIG. 1 is a block diagram showing the configuration of the first embodiment of the cellular phone terminal of the present invention. As shown in FIG. 1, a mobile phone terminal 1 includes a microphone 2 for detecting an audio signal, switching means 11 for use as a mobile phone and for detecting a biological signal, and amplifying the biological signal and cutting unnecessary bands. The amplifying unit 12 is configured to store the biological signal, and the storage / transmission unit 13 that transmits the biological signal to the outside of the mobile phone 1 as necessary, and the telephone communication function unit 14.

  The microphone 2 is an audio signal detection device built in the mobile phone terminal 1. In the cellular phone terminal 1 of the present embodiment, the built-in microphone 2 can detect a low frequency region of 20 Hz or less, which is the lower limit of the voice region, and can measure up to a frequency region of about 0.1 Hz. Yes. As a result, in addition to the audio signal, it is possible to detect a pressure change in a room or a car, and a low-frequency pressure fluctuation of a biological signal such as heartbeat, respiration, body movement, and sputum.

  FIG. 2 shows the structure of a low-frequency capacitor microphone used in this embodiment. The casing 20 has an opening 21 at one end, and has a cylindrical shape sealed at the other end, a screen 22 which is a pressure receiving surface, a counter electrode 23 and an amplifier circuit 24 provided to face the screen 22. And detecting a change in capacitance between the screen 22 and the counter electrode 23. Further, by providing a rear chamber 27 formed by a partition wall 25 having a through hole 26 between the counter electrode 23 and the sealed end of the casing 20, the vibration in the low frequency region inputted is reflected by the rear chamber 27 and resonated. By increasing the amplitude, the pressure fluctuation in the low frequency region can be easily and reliably detected.

  The microphone used for detecting the low-frequency pressure fluctuation is not limited to the condenser microphone, and a low-frequency compatible silicon microphone capable of detecting the pressure fluctuation in the low-frequency region may be used.

  When the pressure fluctuation in the low frequency region is detected using the microphone 2 described above, the microphone 2 is accommodated in the sealed case so that the pressure fluctuation is reliably transmitted to the microphone 2, and the detected pressure vibration is sealed. Configure to be transmitted to the case. When the pressure fluctuation is transmitted to the sealed case, the pressure in the sealed case changes, and the biological signal can be detected by the microphone 2 housed in the sealed case.

  In general, a microphone built in a mobile phone terminal requires an opening through which air flows, and the mobile phone terminal in which the microphone is housed is not a sealed space. Therefore, in order to detect pressure fluctuations in the low frequency region, the cellular phone terminal 1 is used in a state of being housed in a sealed case (not shown).

  In the case where there is no air circulation path other than the opening for the microphone 2 in the mobile phone terminal 1, the opening of the mobile phone terminal 1 is plugged and the microphone 2 is kept in a sealed state in the low frequency region. Pressure fluctuations may be detected.

  Furthermore, it is also possible to detect the vibration of the pulse wave of the fingertip by pressing the finger against the opening for the microphone 2 provided in the mobile phone terminal 1 so that the microphone 2 is sealed.

  The switching means 11 is a means for switching between a case where it is used as a mobile phone and a case where it is used for detection of a biological signal. The use is switched by a key (button) provided in the mobile phone terminal 1. It is set so that it can be operated.

  The amplifying means 12 removes noise components from the pressure fluctuation signal of the biological signal detected by the microphone 2 and then raises the pressure fluctuation signal to a predetermined level. The output signal is sent to the storage / transmission means 13.

  The storage / transmission means 13 includes a memory for storing the pressure fluctuation signal sent from the amplification means 12. If there is an external transmission request, the storage / transmission means 13 transmits data to the outside of the mobile phone terminal 1. It is possible to transmit by connecting to an external device using the output terminal 15, and it is also possible to transmit from the antenna 16 using the wireless communication function of the mobile phone.

  FIG. 3 shows a block diagram of a health monitoring system including the mobile phone terminal 1 and the health monitor 3. Although FIG. 3 shows a case where data transmission is performed between the mobile phone terminal 1 and the health monitor 3 by wireless communication, a method of transmitting using the output terminal 15 may be used. Index values and data obtained by the health monitor 3 are displayed on the display device 4.

  From the detection data of the biological signal transmitted from the mobile phone terminal 1, the heartbeat signal, the respiratory signal, the body motion signal, and the epilepsy signal are extracted in the biological signal extraction unit 32 through the reception unit 31 of the health monitor 3. The health condition monitoring unit 33 determines the health condition using the extracted heartbeat signal, respiratory signal, body motion signal, and epilepsy signal.

  The health state monitoring unit 33 has a function of determining the sleep depth using at least one of the heartbeat signal and the respiratory signal, and determines whether the sleep state is good or not based on the transition of the sleep depth detected using this function. Is possible. In addition, the normal values of the heartbeat signal, the respiratory signal, the body motion signal, and the sputum signal are stored in advance, and an abnormal state can be determined by comparing with the measured data. Furthermore, the apnea state can be determined from the breath signal and the sputum signal, and an alarm signal can be issued when the apnea state continues for a long time and is dangerous. The health condition monitoring method described above is not limited to this, and various index values related to the health condition can be derived from the detected biological signal and monitored.

  FIG. 4 shows a mobile phone terminal 5 of the second embodiment. The mobile phone terminal 5 includes a microphone 2, a switching means 11, an amplification means 12, a storage / transmission means 13 provided in the mobile phone terminal 1 of FIG. In addition to the telephone communication function unit 14, a biological signal extraction means 17 is provided. Other configurations, usage methods, and features are the same as those of the mobile phone terminal 1, and a description thereof is omitted.

  The biological signal extracting means 17 is a means for extracting biological signals such as heartbeat signals, respiratory signals, body motion signals and sputum signals from the vibration signal detected by the microphone 2, and the extracted biological signals are stored / transmitted means 13. If there is a request for external transmission, data is transmitted to the outside of the mobile phone terminal 5 via the storage / transmission means 13.

  It is also possible to configure the mobile phone terminal 5 to view the heart rate signal, respiratory signal, body motion signal, and sputum signal data stored in the memory of the storage / transmission means 13 in the mobile phone terminal 5. It is.

  FIG. 5 shows a block diagram of a health monitoring system including a mobile phone terminal 5 and a health monitor 6. Index values and data obtained by the health monitor 6 are displayed on the display device 4. Although FIG. 5 shows a case where data transmission is performed between the mobile phone terminal 5 and the health monitor 6 by wireless communication, a method of transmitting using the output terminal 15 of the mobile phone terminal 5 may be used.

  The detection data of the biological signal transmitted from the mobile phone terminal 5 is sent to the health condition monitoring unit 33 via the reception unit 31 of the health monitor 6, and the health condition is determined. The health state monitoring unit 33 has a function of determining the sleep depth using at least one of the heartbeat signal and the respiratory signal, and determines whether the sleep state is good or not based on the transition of the sleep depth detected using this function. Is possible. In addition, the normal values of the heartbeat signal, the respiratory signal, the body motion signal, and the sputum signal are stored in advance, and an abnormal state can be determined by comparing with the measured data. Furthermore, the apnea state can be determined from the breath signal and the sputum signal, and an alarm signal can be issued when the apnea state continues for a long time and is dangerous. In addition, the monitoring method of the above health condition is not restricted to this.

  In the above description, the case where the pressure change due to the vibration generated from the body is detected while sleeping is described, but it is also possible to detect the vibration of the pulse wave by pressing the fingertip against the microphone part. is there.

  The cellular phone terminal of the present invention has been described mainly with the example of detecting a biological signal. However, the application of detecting a change in pressure in the low frequency region is not limited to this. For example, the door can be installed by placing it in an automobile. By detecting a change in pressure when opened without permission, it also serves as an anti-theft sensor, and can be used for an unauthorized intrusion alarm by being placed indoors.

  Conventional health monitoring devices used for health management by detecting biological signals such as heartbeat signals, respiratory signals, body motion signals, and sputum signals require dedicated devices, and are often used stationary. There was a problem that it was difficult to use in different places.

  The health condition monitoring apparatus of the present invention is characterized by using a mobile phone terminal incorporating a microphone capable of detecting a pressure change in a low frequency region as a biological signal detection terminal, and having excellent portability. Measured data can be transmitted even in remote locations.

  The health monitoring system including the mobile phone terminal and the mobile phone terminal of the present invention can detect a biological signal emitted from the body at an arbitrary place, and therefore can be easily adopted as compared with a conventional system. Further, if the mobile phone terminal of the present invention is arranged in a sealed space, it can be used as a crime prevention device, and there is a great contribution to health promotion and industry.

It is a block diagram which shows the structure of the mobile telephone terminal of 1st Example of this invention. It is sectional drawing explaining the structure of the microphone incorporated in a mobile telephone terminal. It is a block diagram which shows the structure of the health-monitoring system provided with the mobile telephone terminal of the 1st Example of this invention. It is a block diagram which shows the structure of the mobile telephone terminal of the 2nd Example of this invention. It is a block diagram which shows the structure of the health condition monitoring system provided with the mobile telephone terminal of the 2nd Example of this invention.

DESCRIPTION OF SYMBOLS 1 Cellular phone terminal 2 Microphone 3 Health monitor 4 Display device 5 Cellular phone terminal 6 Health monitor 11 Switching means 12 Amplifying means 13 Storage / transmission means 14 Telephone communication function part 15 Output terminal 16 Antenna 17 Biosignal extraction means 31 Receiving part 32 Living body Signal extraction unit 33 Health condition monitoring unit

Claims (8)

  A mobile phone characterized in that a microphone built in a mobile phone terminal is formed so as to detect pressure fluctuations in a low frequency region below the voice band, and is used as a pressure fluctuation detection means for low frequency regions such as biological signals. Terminal.   The mobile phone terminal is housed and used in a flexible sealed case, or is used in a sealed state by plugging a circulation part with the outside air of the mobile phone terminal. Mobile phone terminal.   The mobile phone terminal according to claim 1, further comprising a switching unit between a function as a mobile phone and a pressure fluctuation detection function.   The mobile phone terminal according to claim 1, further comprising a signal transmission unit capable of transmitting a detection signal by the pressure fluctuation detection function to the outside.   5. The mobile phone terminal according to claim 4, wherein the signal transmitting means transmits the signal to the outside via a terminal provided in the mobile phone terminal.   5. The mobile phone terminal according to claim 4, wherein the signal transmitting means transmits to the outside by wireless communication.   The mobile phone terminal according to claim 1, wherein the detected biological signal is at least one of pulse wave, respiration, body movement, and epilepsy. A mobile phone terminal according to claim 1;
Receiving means for receiving a biological signal detected by the pressure fluctuation detecting means of the mobile phone terminal outside the mobile phone terminal;
A health condition monitoring system comprising: a health condition monitoring unit that performs information processing necessary for health management from detection data by the pressure fluctuation detection means and monitors a health condition.

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