JP4494051B2 - Biological information measuring device and biological information measuring method - Google Patents

Description

  The present invention relates to a biological information measuring device and a biological information measuring method for obtaining biological information by a sensor attached to a living body, and in particular, efficiently transmits biological information measured by a sensor to a data center or the like via a repeater. Thus, the present invention relates to a biological information measuring device and a biological information measuring method that reliably and continuously measure and collect biological information for a long time.

  In recent years, interest in maintaining adult health and the health of the elderly has increased, and countermeasures have become a major social issue. In addition, for health disorders that are said to be closely related to daily living habits, diagnosis based on daily life status and daily measurement data of biological information such as blood pressure, body temperature, and weight is important. In particular, recognition of the importance of a system that collects biological information regularly and continuously to manage health is increasing. For example, in the case of blood pressure, it is said that it exhibits daily fluctuations of about several tens of mmHg due to sleep, daily activities, etc., and blood pressure continuous measurement data includes much more information than the fixed point measurement that is normally performed. .

  Therefore, data collected regularly and continuously for blood pressure becomes very useful information for health management and disease prevention, and development of a continuous measurement device and measurement method for biological information is desired.

  In order to meet such demands, there is a system for measuring the biological information of a person to be measured in daily life and managing the health (for example, see Patent Document 1). This is because biological information measured from a sensor equipped with wireless transmission means is transmitted to a wristwatch type terminal equipped with wireless reception means, the biological information is displayed on the display of the wristwatch type terminal, and the subject confirms his biological information. System.

  However, this system has the disadvantage that the test subject can only confirm his / her biological information, and that the biological information is accumulated over a long period of time, and further means are required to analyze and judge the health condition. .

As yet another example, a biological information measuring device such as a sphygmomanometer, a biological information management device that wirelessly receives the measurement data, and a system that sequentially transmits the measured biological information to a management center via a public network are disclosed. Has been. In this system, when a biological information measuring device attached to a human body wirelessly transmits / receives biological information to / from a biological information management device, an error occurs in the transmission / reception of biological information, or retransmission is repeated if transmission / reception fails. Therefore, there is a drawback that battery consumption is increased. When the battery consumption increases, the weight of the device itself increases, which makes it inconvenient to always wear the biological information measuring device.
JP-A-5-240970

  The problem to be solved by the present invention is that, in the conventional human-body-mounted biological information measuring device or biological information measuring method, the power consumption for transmitting biological information is large, so the power consumption of the sensor is reduced, and the battery When the weight of the battery is reduced or the weight of the battery is reduced, the battery life is long, and biological information can be transmitted accurately over a long period of time.

  The biological information measuring apparatus according to the first invention of the present application efficiently transmits biological information measured by a human body-mounted sensor to a data center or the like via a repeater, thereby improving the transmission procedure of biological information and the like. The main features are that the power consumption of the sensor is reduced, and that data can be measured and transmitted accurately and continuously over a long period of time.

  Specifically, the first invention of the present application is a biological information measuring device including a sensor and a repeater, wherein the sensor acquires biological information from a living body at a predetermined measurement cycle; Biometric information sensor accumulating means for accumulating the biometric information acquired by the information acquiring means, and biometric information transmitting means for transmitting the biometric information stored in the biometric information accumulating means to the repeater at a transmission cycle longer than the measurement cycle. And the repeater includes: biometric information receiving means for receiving the biometric information transmitted by the biometric information transmitting means; and biometric information repeater accumulating means for accumulating the biometric information received by the biometric information receiving means. , A biological information measuring device.

  In the first invention of the present application, the repeater further includes biological information relay means for transmitting the stored biological information to the center through a communication network at a relay cycle longer than the transmission cycle. A biological information measuring device is also included.

  In the first invention of the present application, the sensor further includes emergency transmission means for immediately transmitting biological information having an abnormal value acquired by the biological information acquisition means to the repeater, and the repeater is connected to the emergency transmission means. There is also included a biological information measuring apparatus further comprising emergency relay means for immediately transmitting the received biological information having the abnormal value to the center through a communication network.

  In the first invention of the present application, the biological information sensor accumulating unit accumulates past biological information transmitted to the repeater, and the biological information transmitting unit transmits the accumulated past biological information together. The characteristic biological information measuring device is also included.

  The first aspect of the present invention includes a biological information measuring device in which the biological information relay storage means complements and stores past biological information that could not be received.

  In the first invention of the present application, the sensor further includes time generating means for outputting a measurement time, and the biometric information stored in the biometric information sensor accumulating means includes current data whose contents are updated by the biometric data being measured. Transmission of the biological information transmitting means, including a block, a plurality of past data blocks updated every predetermined time ago by the measured biological data, and a measurement time when the latest biological data read from the time generating means is measured The biometric information to be included includes a biometric information measuring device including the past data block and the measurement time of the latest biometric data.

  In the first invention of the present application, the biometric information stored in the biometric information repeater storage means is the same size as the past data block stored in the sensor, and each past data block measures the latest biometric data received. A biological information measuring device is also included which is arranged at a position associated with time.

  In the first invention of the present application, the biometric information stored in the biometric information repeater accumulating unit includes a past data block having more past data blocks than the number of past data blocks stored in the biometric information sensor accumulating unit and the latest biometric data. A biological information measuring device including a measurement time is also included.

  In the first invention of the present application, the biological information transmitting means uses an error detection code as a transmission code for transmitting the biological information to the repeater, and the biological information repeater accumulating means is received by the biological information receiving means. Also included is a biological information measuring device that stores biological information in which no error is detected in the biological information.

  In the first invention of the present application, the biological information transmitting means uses an error correction code as a transmission code for transmitting the biological information to the repeater, and the biological information relay storing means is received by the biological information receiving means. A biometric information measuring apparatus is also included in which biometric information that could not be corrected in the biometric information is excluded and stored.

  The first invention of the present application also includes a biological information measuring apparatus in which the biological information transmitting means transmits the biological information wirelessly and the biological information receiving means receives the biological information wirelessly.

  The biological information measuring method according to the second invention of the present application efficiently transmits biological information measured by a sensor to a data center or the like via a repeater, and improves the procedure for transmitting biological information, etc. The main feature is that power can be reduced and data can be accurately and continuously measured and transmitted over a long period of time.

  Specifically, the second invention of the present application includes a biological information acquisition step in which a sensor attached to a living body acquires biological information from the living body at a predetermined measurement cycle, and the sensor that has acquired the biological information includes the biological body. A biological information sensor accumulating step for accumulating information, a biometric information transmitting step in which the sensor accumulating the biological information transmits the biological information to a repeater with a transmission cycle longer than the measurement cycle, and the repeater A biometric information measuring method comprising: a biometric information receiving step for receiving the biometric information from the sensor; and a biometric information repeater accumulating step in which the repeater that has received the biometric information accumulates the received biometric information. It is.

  The second invention of the present application further includes a biometric information relaying step in which the repeater storing the biometric information transmits the biometric information to a data center through a communication network at a relay cycle longer than the transmission cycle. The biological information measuring method characterized by the above is also included.

  In the second invention of the present application, the sensor that has acquired biological information having an abnormal value in the biological information acquisition step immediately transmits the biological information having the abnormal value to the repeater, and the emergency transmission step. The biometric information measuring method further comprising: an emergency relay step in which the repeater that has received the biometric information having the abnormal value according to the above immediately transmits the biometric information having the abnormal value to the data center. It is.

  In the second invention of the present application, in the biological information sensor accumulation step, the sensor also accumulates past biological information that has been transmitted to the repeater, and in the biological information transmission step, the sensor also accumulates past biological information. A biological information measuring method characterized by transmitting together is also included.

  In the second invention of this application, in the biometric information repeater accumulation step, the repeater that has received past biometric information also complements and accumulates past biometric information that could not be received. Measurement methods are also included.

  In the second invention of the present application, in the biometric information sensor accumulation step, the biometric information accumulated by the sensor includes a current data block whose contents are updated by the biometric data being measured, and a predetermined time ago by the measured biometric data. A plurality of past data blocks updated every time and the latest biometric data measurement time, and in the biometric information transmission step, the biometric information transmitted by the sensor includes the past data block and the latest biometric data. A biological information measuring method including a measurement time is also included.

  In the second invention of the present application, in the biometric information repeater accumulation step, the biometric information accumulated by the repeater is the same size as the past data block accumulated by the sensor, and each past data block is received by the latest data received. The biometric information measuring method is also characterized in that the biometric information is arranged at a position associated with the biometric data measurement time.

  In the second invention of the present application, in the biometric information repeater accumulation step, the biometric information accumulated in the repeater includes more past data blocks and the latest biometric data than the number of past data blocks accumulated in the sensor. The biological information measuring method characterized by including the measurement time is also included.

  In the second invention of the present application, in the biometric information transmission step, the sensor uses an error detection code as a transmission code for transmitting the biometric information to the repeater, and in the biometric information repeater accumulation step, the repeater A biometric information measuring method is also included in which biometric information that is not detected in error among the biometric information received in the biometric information receiving step is accumulated.

  In the second invention of the present application, in the biometric information transmission step, the sensor uses an error correction code as a transmission code for transmitting the biometric information to the repeater, and in the biometric information repeater accumulation step, the repeater A biometric information measuring method is also included in which the biometric information received by the biometric information receiving step is stored excluding the biometric information that could not be corrected.

  The biological information measuring device and the biological information measuring method of the present invention reduce the power consumption of the sensor by making the transmission procedure of biological information and the like efficient, measure biological information continuously for a long time, Since the biological information measuring device or the biological information measuring method that can be transmitted to the center or the like can be provided, there is an advantage that it contributes to the diagnosis of the health condition of the subject.

  The present invention provides a biological information measuring apparatus and a biological information measuring method capable of measuring biological information continuously for a long time and transmitting it to a data center or the like.

  Hereinafter, a biological information measuring device and a biological information measuring method according to the present invention will be described with reference to the accompanying drawings.

  FIG. 1 is a diagram showing a configuration example of a biological information measuring apparatus according to the present invention. In FIG. 1, 1 is a biological information measuring device, 10 is a sensor, 11 is a sensor head as biological information acquisition means, 12 is a control unit, 13 is a transmission unit as biological information transmission means, and 14 is Real as time generation means. Time Clock (hereinafter abbreviated as “RTC”), 15 is a storage unit as a biometric information sensor storage unit, 16 is a power supply unit, 20 is a relay, 21 is a reception unit as a biometric information receiving unit, and 22 is a control unit. , 23 is a communication unit as biometric information relay means, 24 is RTC, 25 is a storage section as biometric information relay storage means, 26 is a power supply section, 27 is a display section, 28 is a push button, 30 is a data center is there.

  In FIG. 1, the biological information measuring apparatus 1 includes a sensor 10 and a repeater 20. The repeater 20 transmits biometric information including time information that is measurement time to the data center 30 or the like by wireless communication means. Further, information transmitted from the data center 30 may be received and processed, and a function of displaying the biological information and information transmitted from the data center 30 may be provided.

  In FIG. 1, the sensor 10 includes a sensor head 11, a control unit 12, a transmission unit 13, an RTC 14, a storage unit 15, and a power supply unit 16. Each of the sensor head 11, the transmission unit 13, the RTC 14, and the storage unit 15 is connected to the control unit 12 by a signal transmission unit such as a signal line, and inputs / outputs information to / from the control unit 12.

  Here, the control unit 12 includes a CPU and the like, and has a function of controlling the operation of the sensor 10. The RTC 14 is a Real Time Clock that supplies time information that is a measurement time, and has a function of supplying time information under the control of the control unit 12.

  The power supply unit 16 is a power supply unit that supplies power to each circuit constituting the sensor 10, but in FIG. 1, a power supply line for supplying power is not shown in order to avoid complexity of the drawing. Further, parts that can be realized by a normal technique such as a mounting means for mounting the sensor 10 on a living body and a housing for housing the sensor 10 are not displayed.

  FIG. 1 shows a case where one sensor head 11 is installed. For example, a sensor head for measuring blood pressure, a sensor head for measuring body temperature, or a position measuring sensor for measuring the body position and activity state of a living body. One or more sensor heads for measuring other biological information such as a head and a sensor head for acceleration measurement may be installed.

  The sensor head 11 has a function of measuring biological information under the control of the control unit 12 and outputting it to the control unit 12. Here, as an example of a blood pressure measurement sensor head, it is attached to an ear, a part of the ear is pressed with a cuff, light is made incident on the living tissue by a light emitting element installed in the cuff, and reflected from the living tissue. It is also effective to use a blood pressure measurement sensor head that receives light by a light receiving element and measures a blood pressure value from a pulse wave signal obtained from reflected light.

  The storage unit 15 has a function of accumulating biological information measured by the sensor head 11 under the control of the control unit 12 and time information that is a measurement time supplied from the RTC 15, reading out the accumulated information, and outputting the information to the control unit 12. Have.

  The transmission unit 13 transmits the biological information read from the storage unit 15 including the time information that is the measurement time to the relay device 20 under the control of the control unit 12. As a transmission method, it is preferable to transmit to the repeater 20 by wireless communication means such as weak radio waves. When the wireless communication means is used, the degree of freedom of the mounting position of the sensor head 11 is large, and there are few restrictions on behavior. The wireless communication means includes optical wireless. The transmission unit 13 has a function of transmitting a signal indicating the end of transmission to the control unit 12.

  As shown in FIG. 1, the repeater 20 includes a reception unit 21, a control unit 22, a communication unit 23, an RTC 24, a storage unit 25, a power supply unit 26, a display unit 27, and a push button 28. Each of the receiving unit 21, the communication unit 23, the RTC 24, and the storage unit 25 is connected to the control unit 22 by a signal transmission unit such as a signal line, and inputs / outputs information to / from the control unit 22.

  Here, the control unit 22 is equipped with a CPU and the like and has a function of controlling the operation of the repeater 20. The RTC 24 is a Real Time Clock that supplies time information. The control unit 22 controls the time information. It has a function to supply.

  The display unit 27 is connected to the control unit 22 by a signal transmission unit such as a signal line, and has a function of displaying biological information from the control unit 22.

  The push button 28 is connected to the control unit 22 by a signal transmission means such as a signal line, and has a function of instructing the control unit 22 to perform operations such as activation and stop of the repeater 20 and display of biological information by an external operation. Have.

  The power supply unit 26 is a power supply unit that supplies power to each circuit constituting the repeater 20. However, in FIG. 1, a power supply line for supplying power is not shown in order to avoid the complexity of the drawing. In addition, a portion that can be realized by a normal technique such as a housing that houses the repeater 20 is not displayed.

  The receiving unit 21 has a function of receiving information transmitted from the transmitting unit 13 of the sensor 10 by wireless communication means or the like under the control of the control unit 22, and outputting the received information to the control unit 22.

  The storage unit 25 has a function of accumulating information received by the receiving unit 21 under the control of the control unit 22, reading out the accumulated information, and outputting the information to the control unit 22.

  The communication unit 23 transmits information to the external data center 30 by wireless communication means or the like under the control of the control unit 22. Furthermore, a function of receiving information transmitted from the data center 30 and outputting the information to the control unit 22 may be provided. Here, examples of the wireless communication means of the communication unit 23 include a public communication network such as PHS, or a wireless LAN of a local communication network such as a medical institution.

  The operation of the biological information measuring device 1 will be described. The sensor 10 is attached to, for example, an ear, and the repeater 20 is attached to, for example, an arm or a waist.

  The sensor head 11 of the sensor 10 periodically acquires biological information such as blood pressure or body temperature in a predetermined cycle under the control of the control unit 12, and the biological information including time information that is the measurement time is accumulated in the storage unit 15. Is done.

  The biological information accumulated in the storage unit 15 including the time information that is the measurement time is accumulated in the storage unit 15 for a predetermined time, and then the sensor head 11 acquires the biological information under the control of the control unit 12. The data is periodically read at a period longer than the measurement period, and transmitted from the transmission unit 13 to the reception unit 21 of the repeater 20 by wireless communication means or the like.

  Next, the operation of the repeater 20 will be described. The receiving unit 21 of the repeater 20 receives biological information including time information that is a measurement time transmitted from the transmission unit 13 of the sensor 10 under the control of the control unit 22, and the control unit 22 is the measurement time. Biometric information including time information is accumulated in the storage unit 25. Thereafter, after a predetermined time has elapsed, the control unit 22 reads out biological information including time information that is the measurement time stored in the storage unit 25, and from the communication unit 23, a public communication network such as PHS, or a medical institution, etc. The data is transmitted to the data center 30 via a wireless LAN of the local communication network.

  The display unit 27 can display information stored in the storage unit 25 under the control of the control unit 22. In addition, a result of analyzing the collected biological information in the data center 30 and an emergency signal when a health condition abnormality is detected are transmitted from the data center 30 to the communication unit 23 of the repeater 20 and controlled by the control unit 22. Can also be displayed on the display unit 27.

  By operating the push button 28 from the outside, it is possible to instruct operations such as activation and deactivation of the repeater 20 and display of biological information. In addition, the push button 28 is optional so that it can instruct the operation of starting and stopping the sensor 10.

  As described above, in the biological information measuring apparatus 1 of the present invention, the sensor 10 periodically measures and accumulates the biological information, and the accumulated biological information is periodically transmitted to the repeater 20 at a period longer than the measurement period of the biological information. Transmitted by wireless communication means or the like, the repeater 20 accumulates biological information including time information that is the received measurement time, transmits it to the data center 30, and displays it on the display unit 27 of the repeater 20.

  Since the sensor 10 transmits the biological information including the time information, which is the measurement time, to the repeater 20 at a cycle longer than the measurement cycle without transmitting it every time it is measured, control at the time of transmission by the wireless communication means The number of signal transmissions can be reduced, the power consumption and size of the sensor 10 can be reduced, and a biological information measuring device that can be easily attached to a living body and can continuously measure biological information for a long time can be provided.

  In the present invention, biological information may be analyzed by reading information stored in the storage unit 25 of the repeater 20 from the outside. In addition, the repeater 20 has a period longer than the period in which the biological information including the time information, which is the measurement time received from the sensor 10 and accumulated, is longer than the period in which it is received from the sensor 10, a public communication network such as PHS, or a medical institution. The data may be transmitted to the data center 30 via a wireless LAN of the local communication network.

  When transmitting to the data center 30, the repeater 20 is longer than receiving from the sensor 10 without transmitting the biometric information including the time information that is the measurement time received and accumulated from the sensor 10 every time it is received. Since transmission is performed in a cycle, the number of transmission and reception of control signals necessary for wireless communication is reduced, and the repeater 20 can be reduced in power consumption and downsized.

  As described above, in the biological information measuring apparatus 1, since the sensor 10 transmits biological information using only the transmission function, the power consumption of the sensor 10 can be reduced by the amount that the reception function is not provided. Moreover, since the sensor 10 transmits to the repeater 20 only periodically with a period longer than the measurement period of biological information, the power for transmission can be reduced. Furthermore, by transmitting biological information including time information, which is measurement time received and accumulated by the repeater 20 from the sensor 10, to the data center 30 at a cycle longer than the cycle received from the sensor 10, the repeater Accordingly, the biological information measuring device can be provided which can be reduced in power consumption and reduced in size and can be easily attached to a living body.

  In the biological information measuring apparatus 1 of the present invention, the sensor 10 also accumulates biological information including time information that is a past measurement time that has been transmitted to the repeater 20, and includes past biological information together with the latest measured biological information. You may send it.

  The sensor 10 immediately transmits the biological information having the abnormal value to the repeater 20 when the control unit 12 determines that the biological information acquired by the sensor head 11 as the biological information acquisition unit has the abnormal value. Emergency transmission means (not shown) may be included. The emergency transmission unit may be realized by causing the control unit 12 to determine and transmit the biological information having an abnormal value to the transmission unit 13.

  The repeater 20 may include an emergency relay unit that immediately transmits biological information having an abnormal value to the data center 30 when it is determined that the received biological information has an abnormal value. The emergency relay unit may be realized by the control unit 22 determining biological information having an abnormal value and causing the communication unit 23 to transmit the biological information. When the control unit 12 of the sensor 10 determines that the abnormal value in the repeater 20 is abnormal, the biological information to be transmitted includes information indicating the abnormality, and information indicating the abnormality is included. You may judge that it is an abnormal value when the repeater 20 receives. Further, the control unit 22 may determine whether or not the biological information received by the repeater 20 is abnormal.

The determination of the abnormal value, for example, if the sensor 10 obtains a blood pressure value as the biometric information, and if you get a blood pressure value above a certain value, which sensor 10 acquires the number of pulse rate as biological information If refers to when acquiring the number pulse rate above a certain value.

  Here, the biological information measuring method will be described. FIG. 5 shows a flowchart of the biological information measuring method. The reference numerals used in the description of FIG. 1 are used as appropriate. The sensor side includes a biological information acquisition step (S102), a biological information sensor accumulation step (S104), and a biological information transmission step (S106 and S108). The repeater side includes a biometric information receiving step (S202) and a biometric information repeater accumulating step (S204). Furthermore, a biometric information relay step (S206 and S208) may be included.

  In the biological information acquisition step (S102), the sensor 10 acquires biological information from the living body at a predetermined measurement cycle. In the biological information sensor accumulation step (S104), the biological information acquired by the sensor 10 is accumulated. The stored biological information may include time information that is a measurement time when the latest biological information is measured. The same applies to the subsequent steps. In the biological information transmission step (S106 and S108), it is determined whether or not it is a transmission time (S106). The transmission cycle is a cycle longer than the measurement cycle in which the sensor 10 acquires biological information from the living body. If it is not the transmission time, the process returns to the biological information acquisition step (S102), and if it is the transmission time, the biological information is transmitted to the repeater 20 (S108).

  In the biological information receiving step (S202), the relay device 20 in the waiting state receives the biological information transmitted from the sensor 10. In the biometric information repeater accumulation step (S204), the biometric information received by the repeater 20 is accumulated. In the biometric information relay step (S206 and S208), it is determined whether or not it is a relay time (S206). The relay cycle is a cycle longer than the transmission cycle in which the sensor 10 transmits biological information. If it is not relay time, the repeater returns to the waiting state (S202). If it is the relay time, the biological information is transmitted to the data center (S208).

  In addition to the above-described flowchart, in the biological information acquisition step (S102), when the sensor 10 acquires biological information having an abnormal value, an emergency transmission step of immediately transmitting biological information having an abnormal value to the repeater 20 is included. Further, in the biological information receiving step (S202), the relay device 20 that has received the biological information having an abnormal value may include an emergency relay step in which the biological information having the abnormal value is immediately transmitted to the data center.

  In the biometric information transmission step (S108) in FIG. 5, an error detection code is used as a transmission code for the sensor 10 to transmit biometric information to the repeater 20, and an error in the transmission code is detected in the biometric information reception step (S202). In the biometric information repeater accumulation step, the repeater 20 may accumulate biometric information for which no error has been detected. Accumulation of incorrect biological information can be prevented.

  In the biometric information transmission step (S108) in FIG. 5, an error correction code is used as the transmission code for the sensor 10 to transmit the biometric information to the repeater 20, and the transmission code error is corrected in the biometric information reception step (S202). In the biometric information repeater accumulating step, the repeater 20 may accumulate the biometric information except that the error cannot be corrected. Accumulation of incorrect biological information can be prevented.

  Specific configuration examples of the sensor and the repeater that realize the above operation will be described in detail below. FIG. 2 shows a configuration example of information accumulated in the storage unit 15 of the sensor 10. The sensor head 11 measures the biological information at intervals of 5 minutes, and the biological data is sequentially accumulated in the storage unit 15 as shown in FIG. These biometric data every 5 minutes are constituted by data blocks such as 9 o'clock data measured every specific hour. As shown in FIG. 2A, the plurality of data blocks include a current data block whose contents are updated by biometric data currently being measured, and a past data block in which data accumulation has been completed.

  In the case of FIG. 2, the past data block is composed of six data blocks consisting of biometric data up to six hours ago. The storage unit 15 further accumulates information on the measurement time at which the latest biological information represented by month, day, hour, and minute is updated according to the writing time every time measurement data is written every five minutes. It has a data area. The 6-hour biometric data in the past data block is a unit to be transmitted at once from the sensor to the repeater, and the latest biometric information is measured in batches for 6 hours at a predetermined timing. It is transmitted to the repeater together with the information of the measured time.

  That is, the content of the past data block and the measurement time when the latest biometric information is measured are extracted from the storage unit 15 under the control of the control unit 12 and transmitted from the transmission unit 13 to the repeater 20 by wireless communication means. The measurement time information obtained by measuring the latest biometric information given to the biometric data is used to determine the time zone of each block of the biometric data on the repeater side. For example, when the measurement time when the latest biometric information added to the biometric information received by the repeater is 9 o'clock, the received biometric information is measured 1 hour to 6 hours before that 3 It is determined as biometric data from the hour base to the eight hour base. After the completion of the transmission of the biometric information, when the writing of “measurement result for 55 minutes” is completed in the current data block, the contents of the current data block and the past data block are updated as follows.

  FIG. 3 is a diagram illustrating a change in information before and after the update of the storage unit 15. That is, biometric data from 1 o'clock to 6 o'clock is stored in the past data block in FIG. 3A, and all biometric data at 7 o'clock in the current data block is written at 7:55. Accumulated state. In this state, when the hour / minute information of the measurement time when the latest biological information is measured is moved up to 8:00, the contents of the current data block and the past data block in FIG. It shifts in the past direction by one hour and enters the state shown in FIG. At this time, the oldest 1 o'clock biometric data is discarded, and the current data block waits for accumulation of the next 8 o'clock biometric data. The contents of the past data block updated with the biometric data at 7 o'clock are maintained until the time of update by the block shift after the next one hour, and during this time, transmission to the repeater becomes possible.

  Therefore, transmission to the repeater can be executed with a margin of one hour, and transmission processing can be surely executed after that processing even when interrupt processing or the like occurs. Further, since batch data transmission of past data blocks and data update of past data blocks by the current data block are repeatedly executed every hour, the one-hour biometric data stored in the past data block is transmitted six times each. As will be described later, transmission to the repeater is more reliable.

  As is clear from the above description, a certain time relationship is secured between the measurement time when the latest biological information transmitted to the repeater is measured and the measurement time zone of each block of measurement data. Therefore, it is possible to determine at which time zone each block of the biological information received is the biological data measured based on the information of the measurement time when the latest biological information is measured on the repeater side. However, the measurement time information other than those exemplified above, for example, time information acquired separately from the RTC in the sensor when transmitting biological information may be employed. In short, it is only necessary to be able to discriminate the measurement time zone of the blocked biometric data transmitted at the same time by the information of the measurement time. In addition, the measurement time zone range to be blocked, the number of blocks, and the like can be appropriately selected.

  FIG. 4 shows a configuration example of information stored in the storage unit 25 of the repeater 20. As shown in FIG. 4 (M), the biometric information including the measurement time accumulated in the storage unit 25 is composed of a plurality of blocks for one day divided from 0 o'clock to 23 o'clock, and each block size is a sensor. It is desirable that the block size is the same as that of the ten storage units 15. If the size is the same or larger, the received data block can be stored as it is.

  The biometric information stored in the storage unit 25 of the repeater 20 includes more past data blocks than the number of past data blocks stored in the storage unit 15 of the sensor 10 and the latest biometric data measurement time. It is desirable. If the number of past data blocks is larger than the number of past data blocks stored in the storage unit 15 of the sensor 10, the repeater 20 can be biological even if the relay cycle of the repeater 20 is longer than the transmission cycle of the sensor 10. It can be sent to the data center without losing information.

  In FIG. 4, each of these 24 blocks is assigned in advance as a place for receiving biometric data in the measurement time zone measured by the sensor, and the place for receiving is determined by the measurement time given to the received biometric information. Can be identified. For example, when the biological information received by the receiving unit 21 of the repeater 20 is given time information that is a measurement time in the 9 o'clock range, the received biological information is 6 hours from one hour before indicated by the time information. It is determined that the biometric data is the biometric data as shown in FIG. Then, the received biological information is accumulated at a position designated from 8:00 to 3:00 in the storage unit 25 shown in FIG. At the same time, the given time information is accumulated in the information part of the measurement time at which the latest biometric information at the uppermost stage shown in FIG. 4 (M) is measured, and the current accumulation state can be grasped. Next, for example, when reception of a block of biometric data measured from 9 o'clock to 4 o'clock shown in FIG. 4B after one hour and measurement time at which the latest biometric data is acquired fails in FIG. Nothing is accumulated in the storage unit 25 shown in (M).

  However, one hour later, the biometric information measured from 10 o'clock to 5 o'clock shown in FIG. 4 (C) is received, and if this reception is successful, the received biometric information is shown in FIG. 4 (M). It is accumulated in the portion of the biometric data measured from the 10 o'clock range to the 5 o'clock range of the storage unit 25 shown.

  Here, the biometric data measured at 9 o'clock that failed to be received one hour ago is supplemented, and the measurement time when the latest biometric data is acquired is also accumulated. That is, the biometric information in FIG. 4B, which has been transmitted from the sensor 10 but failed to be received by the repeater 20, is complemented by the biometric information in (C) received later. In this way, the biological information from the sensors received every hour is sequentially accumulated in the corresponding data blocks, and when the accumulation of the data at 23:00 is completed, the data at the top of FIG. It is transmitted to the data center together with the measurement time when the latest biological information is measured. That is, when 24 hours of biological information including time information that is the measurement time when the latest biological information is acquired is accumulated in the storage unit 25 of the repeater 20, the latest information is stored from the storage unit 25 under the control of the control unit 22. The biometric information for 24 hours including the time information that is the measurement time when the biometric information is acquired is read out, transmitted to the data center 30 by the wireless communication means via the communication unit 23, and stored in the data center 30. Analyzed.

  Here, since the measurement time information obtained from the latest biological information includes month / day / hour / minute information, data can be identified over a long period of time. Note that the storage unit 25 may have a plurality of data areas having the same configuration as that in FIG. 4M and store past data for several days before the previous day. With such a configuration, when transmitting to the data center, in addition to the data for the current day, past data from before the previous day is sent, so that the same data supplement as that from the sensor to the repeater can be performed. It can also be stored for backup and sent in response to a data center request.

  As described above, in the biological information measuring apparatus 1, the sensor 10 transmits the latest biological information including the time information that is the measurement time, and further the biological information measured within a certain past time to the repeater 20, These pieces of information are received by the repeater 20, and are used widely in the past, such as checking for missing information and retransmitting each time information is received by the repeater 20 by using it to correct past missing information. Compared with the communication means currently used, low-power consumption and size reduction are attained, and the biological information measuring device with easy mounting | wearing to a biological body can be provided.

  As described above, the measurement result of the latest biological information including the latest time information every hour and the biological information measured in the past certain time are received, and the latest time information is stored in the storage unit 25 of the repeater 20. When the biological information for 24 hours including is stored, the biological information for 24 hours including the latest time information in the storage unit 25 is read out under the control of the control unit 22, and is transmitted via the communication unit 23. The data is transmitted to the data center 30 by the wireless communication means, stored in the data center 30, and analyzed. As described above, the repeater 20 transmits these pieces of information to the data center 30 at a cycle longer than the cycle of receiving the biological information including the time information that is the measurement time from the sensor 10.

  As described above, in the biological information measuring apparatus 1 of the present invention, the latest biological information measurement result transmitted from the sensor 10 every predetermined time and the biological information measured within a certain past time are relayed. The information received by the device 20 and successfully received increases the probability that information that has failed to be received in the past can be supplemented. In this case, it is possible to provide a biological information measuring device that can reduce the power and size of the sensor 10 and the repeater 20 and can be easily mounted on a living body, rather than repeating retransmission every time reception fails.

  In the biological information measuring apparatus 1 described above, an error detection code is used as a transmission code that is wirelessly transmitted from the sensor 10 to the repeater 20, and the repeater 10 is biometric information in which no error is detected. The stored biometric information may be overwritten.

  In the biological information measuring apparatus 1 of the present invention, the latest biological information measurement result transmitted from the sensor 10 and the biological information measured within a certain past time are transmitted using an error detection code such as a parity check. Then, the biometric information received by the repeater 20 and the biometric information for which no error was detected is overwritten with the biometric information accumulated by the repeater 20, so that the error can be corrected according to the same principle as that of the biometric information measuring apparatus 1 described above. The probability that biometric information that has been detected and failed to be received can be complemented.

  Rather than repeating retransmission every time an error is detected in the repeater 20, the power of the sensor 10 and the repeater 20 can be reduced and the size can be reduced. As described above, according to the present invention, it is possible to provide a biological information measuring device that can be easily attached to a living body.

  In the biological information measuring apparatus 1 described above, an error correction code is used as a transmission code that is wirelessly transmitted from the sensor 10 to the repeater 20, and the repeater 10 excludes biological information whose error cannot be corrected. Thus, the biometric information stored in the repeater 20 may be overwritten.

  In the biological information measuring apparatus 1 of the present invention, the latest measurement result of the biological information transmitted from the sensor 10 and the biological information measured within a certain past time are used by using an error correction code such as CRC. The same principle as in the case of the biological information measuring apparatus 1 is transmitted by overwriting the biological information stored in the repeater 20 except for the biological information that has not been corrected by the repeater 20. This increases the probability that biometric information that could not be corrected for errors can be complemented.

  Rather than repeating retransmission when the error cannot be corrected in the repeater 20, it is possible to reduce the power and size of the sensor 10 and the repeater 20. As described above, according to the present invention, it is possible to provide a biological information measuring device and a biological information measuring method that can be easily attached to a living body.

  The biological information measuring device of the present invention can be used for collecting information on beauty in addition to diagnosis of health conditions.

It is explanatory drawing which showed the structure and operation | movement of the biometric information measuring apparatus of this invention. It is explanatory drawing which showed the structure of the information accumulate | stored in a sensor. It is explanatory drawing which showed the change of the information accumulate | stored in a sensor. It is explanatory drawing which showed the change of the information accumulate | stored in a repeater. It is explanatory drawing which showed the flowchart of the biometric information measuring method of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Biological information measuring device 10 Sensor 11 Sensor head 12 Control part 13 Transmission part 14 RTC
15 Storage Unit 16 Power Supply Unit 20 Repeater 21 Receiving Unit 22 Control Unit 23 Communication Unit 24 RTC
25 Storage Unit 26 Power Supply Unit 27 Display Unit
28 Push Button 30 Data Center

Claims (17)

A biological information measuring device comprising a sensor and a repeater,
The sensor is
Biological information acquisition means for acquiring biological information from a living body at a predetermined measurement cycle;
Biological information sensor storage means for storing biological information acquired by the biological information acquisition means;
Biometric information transmitting means for transmitting the biometric information accumulated by the biometric information sensor accumulating means to the repeater at a transmission cycle longer than the measurement cycle;
Including time generation means for outputting a measurement time,
The repeater is
Biological information receiving means for receiving the biological information transmitted by the biological information transmitting means;
Biometric information relay storage means for storing the biometric information received by the biometric information receiving means,
The biological information stored in the biological information sensor storage means includes
Measures the current data block whose contents are updated by the biometric data being measured, a plurality of past data blocks updated every predetermined time by the measured biometric data, and the latest biometric data read from the time generation means Including the measured time
The biological information stored in the biological information repeater storage means is:
The past data block is the same size as the past data block accumulated in the sensor, and each past data block is arranged at a position associated with the measurement time of the latest biometric data received,
The biological information transmitted by the biological information transmitting means includes the measurement time of the past data block and the latest biological data,
Biological information measuring device. The said repeater further contains the biometric information relay means which transmits the stored said biometric information to a data center through a communication network at a relay cycle longer than the transmission cycle. Biological information measuring device. The sensor further includes emergency transmission means for immediately transmitting biological information having an abnormal value acquired by the biological information acquisition means to the repeater,
The biological information according to claim 2, wherein the repeater further includes an emergency relay unit that immediately transmits the biological information having the abnormal value received from the emergency transmission unit to the data center through a communication network. measuring device. The biological information sensor storage means also stores past biological information that has been transmitted to the repeater,
The biological information measuring apparatus according to claim 1, wherein the biological information transmitting unit also transmits the accumulated past biological information.   The biological information measuring apparatus according to claim 1, wherein the biological information relay storage unit complements and stores past biological information that could not be received. The biometric information stored in the biometric information relay storage means includes more past data blocks than the number of past data blocks stored in the biometric information sensor storage means and the measurement time of the latest biometric data. The biological information measuring device according to any one of claims 1 to 5 . The biological information transmitting means uses an error detection code as a transmission code for transmitting the biological information to a repeater,
The biometric information according to any one of claims 1 to 6 , wherein the biometric information repeater accumulating unit accumulates biometric information in which no error is detected among the biometric information received by the biometric information receiving unit. measuring device. The biological information transmitting means uses an error correction code as a transmission code for transmitting the biological information to a repeater,
The biological information relay storage means, either according to 6 claim 1, characterized in that accumulating except received biometric information could not be error-correction of the biological information of the living body information receiving means Biological information measuring device. The biological information transmitting means transmits the biometric information wirelessly, the biological information reception means any of the biological information measuring apparatus according to 6 claim 1, characterized in that receiving the biometric information wirelessly. A biological information acquisition step in which a sensor attached to the living body acquires biological information from the living body at a predetermined measurement cycle;
A biometric information sensor accumulating step in which the sensor that has acquired the biometric information accumulates the biometric information;
The biometric information transmitting step in which the sensor storing the biometric information transmits the biometric information to a repeater at a transmission cycle longer than the measurement cycle;
A biological information receiving step in which the repeater receives the biological information from the sensor;
The biological information the repeater receives is a biometric information relay storage step of storing the biometric information received, only including,
In the biometric information sensor accumulation step, the biometric information accumulated by the sensor includes a current data block whose contents are updated by the biometric data being measured, and a plurality of data updated every predetermined time by the measured biometric data Including past data block and latest biometric data measurement time,
In the biological information transmission step, the biological information transmitted by the sensor includes the measurement time of the past data block and the latest biological data,
In the biometric information repeater accumulation step, the biometric information accumulated by the repeater is the same size as the past data block accumulated by the sensor, and each past data block is determined from the measurement time of the received latest biometric data. Placed in the associated position,
Biological information measurement method. Claim 10, wherein the repeater accumulates the biological information, the biological information relay step of transmitting the data center through the communication network the biometric information at the relay period of longer period than the transmission period, and further comprising The biological information measuring method according to 1. The sensor that has acquired the biological information having an abnormal value in the biological information acquisition step immediately transmits the biological information having the abnormal value to the repeater, and
The relay device that has received the biological information having the abnormal value in the emergency transmission step further includes an emergency relay step of immediately transmitting the biological information having the abnormal value to the data center. 11. The biological information measuring method according to 11 . In the biological information sensor accumulation step, the sensor also accumulates past biological information that has been transmitted to the repeater,
The biological information measuring method according to any one of claims 10 to 12 , wherein, in the biological information transmission step, the sensor also transmits the accumulated past biological information. In the biological information repeater accumulating step, the repeater which has received also fit past biological information, either according to 13 claim 10, characterized in that to complement the past biological information can not be received storage This biological information measurement method. In the biometric information repeater accumulation step, the biometric information accumulated by the repeater includes more past data blocks than the number of past data blocks accumulated by the sensor and the measurement time of the latest biometric data. The biological information measuring method according to claim 10, wherein the biological information measuring method is any one of claims 10 to 14 . In the biometric information transmission step, the sensor uses an error detection code as a transmission code for transmitting the biometric information to a repeater,
In the biological information repeater accumulating step, the repeater any of claim 10 to 15, characterized in that storing biometric information has not error detection of the biological information received by the biometric information receiving step This biological information measurement method. In the biometric information transmission step, the sensor uses an error correction code as a transmission code for transmitting the biometric information to a repeater,
In the biological information repeater accumulating step, the repeater according to 15 claim 10, characterized in that accumulating except biometric information could not be error-correction of the biological information received by the biometric information receiving step Any one of the biological information measuring methods.

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