JP2003153866A - Biological information collection device - Google Patents

Abstract

(57) [Summary] Even when a plurality of measuring means are connected, the circuit configuration is simplified by minimizing the number of signal processing means, thereby reducing costs and improving reliability. SOLUTION: A connection terminal 8 for inputting signals from a digital measuring means 1 and an analog measuring means 4, a signal processing means 9 for processing the input signal as a digital signal or an analog signal, and a processing of the signal processing means A storage means 10 for storing the result, and the same signal processing means 9 regardless of the signal format such as a digital signal and an analog signal.
In this case, the input signal is processed, so that the circuit configuration is simplified, the cost is low, and the reliability can be increased.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a biological information collecting device.

[0002]

2. Description of the Related Art A conventional biological information collecting apparatus of this type has a structure as shown in FIG. In FIG. 9, 1 is a digital measuring means for measuring biological information of a patient and outputting it as a digital signal, and 2 is a first connecting digital measuring means 1.
3 is a first signal processing means for processing the signal input from the first connection terminal 2 as a digital signal.
Is an analog measuring means for measuring the biological information of the patient and outputting it as an analog signal, 5 is a second connecting terminal for connecting the analog measuring means 4, and 6 is a signal inputted from the second connecting terminal 5 as an analog signal Second signal processing means for processing,
Reference numeral 7 is a storage means for storing the processing results of the first signal processing means 3 and the second signal processing means 6.

[0003]

However, in the biological information collecting apparatus having the above-mentioned conventional structure, in order to connect plural kinds of measuring means such as digital measuring means and analog measuring means, the same number as the number of kinds of measuring means is required. Since the signal processing means is required and the circuit configuration is complicated, there is a problem that the cost is high and the reliability is low.

The present invention solves the above-mentioned conventional problems, and an object of the present invention is to provide a biological information collecting apparatus having a simple circuit configuration.

[0005]

In order to solve the above-mentioned conventional problems, in the biological information collecting apparatus of the present invention, the signal processing means uses the same circuit block for input signals regardless of the signal format such as digital signal and analog signal. It was decided to process.

Thus, even when a plurality of types of measuring means are connected, the number of signal processing means becomes one,
The circuit configuration can be simplified.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 is a digital measuring means for measuring biological information of a patient and outputting it as a digital signal, and an analog measuring means for measuring biological information of the patient and outputting it as an analog signal. And an input means for inputting signals from the digital measuring means and the analog measuring means, and a signal input from the input means based on a predetermined control rule corresponding to each input mode having a plurality of input modes Having the same circuit block regardless of the signal format such as digital signal and analog signal, by having a signal processing means for processing the signal as a digital signal or an analog signal and a storage means for storing the processing result of the signal processing means. Since the input signal is processed with, the circuit configuration is simple, and the cost is low and the reliability is high. Kill.

According to the second aspect of the present invention, guidance means is provided for transmitting information on the method of use corresponding to each of the digital measuring means and the analog measuring means to be used, and the information on the method of use is transmitted by the guidance means. Therefore, the operation procedure becomes clear, and it is possible to improve the usability even for people who do not have specialized knowledge.

According to a third aspect of the present invention, the digital measuring means outputs a digital signal obtained by adding the identification information peculiar to the digital measuring means to the measured biological information. Since it can be identified, it is not necessary to manually set the device, and it is easy to use even for people who do not have specialized knowledge.

According to a fourth aspect of the present invention, the signal transmission between the measuring means and the product main body is performed by using an acoustic signal, and the measuring means and the product main body are electrically insulated from each other.
Even if the product body breaks down, safety can be secured from the danger of electric shock.

According to a fifth aspect of the present invention, signals from the digital measuring means and the analog measuring means are simultaneously input,
A filter means for separating the input signal into a digital signal portion and an analog signal portion in the frequency band and outputting the signal to the signal processing means is provided.Since a plurality of types of measuring means can be connected at the same time, the measuring means can be used at each measurement. There is no need to reconnect, and it is easy to use even for people without specialized knowledge.

[0012]

Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1) FIG. 1 is a block diagram of a biological information collecting apparatus according to a first embodiment of the present invention.
(A), (b) is an input waveform diagram and the waveform diagram after a conversion of the biological information collection device of Example 1 of this invention. The same components as those in the conventional example are designated by the same reference numerals.

In FIG. 1, 1 is a digital measuring means for measuring the biological information of the patient and outputting it as a digital signal, 4 is an analog measuring means for measuring the biological information of the patient and outputting it as an analog signal, and 8 is a digital measuring means. 1 and a connection terminal for connecting the analog measuring means 4, 9 has a plurality of input modes, based on a predetermined control rule corresponding to each input mode, the signal input from the connection terminal 8 as a digital signal or an analog signal The signal processing means 10 for processing and the storage means 10 for storing the processing result of the signal processing means 9.

The operation and action of the biometric information collecting device configured as described above will be described below.

First, either the digital measuring means 1 or the analog measuring means 4 is connected to the connection terminal 8 according to the type of biological information that the patient wants to measure, and the biological information is measured. The signal processing means 9 receives the signal input from the connection terminal 8 as an analog signal as shown in FIG. 2A once, regardless of what is connected to the connection terminal 8. When the connected measuring means is the digital measuring means 1, the input mode of the signal processing means 9 becomes the mode for digital signals, and the input analog signals are time-sequentially set on the software by a predetermined level ( 2 (a) is used as a reference to determine whether it is at the H level or the L level, and the digital signal as shown in FIG. 2 (b) is converted and processed. When the connected measuring means is the analog measuring means 4,
The input mode of the signal processing means 9 is a mode for analog signals, and the input analog signals are not converted but processed as continuous analog signals. After the signal processing of the signal processing means 9 is completed, the processing result is output to the storage means 10 to prepare for the next new processing.

As described above, in the present embodiment, the signal processing means 9 processes the input signal by the same circuit block regardless of the signal format such as digital signal and analog signal, thereby simplifying the circuit configuration. , Low cost and high reliability.

(Embodiment 2) FIG. 3 is a block diagram of a biological information collecting apparatus according to a second embodiment of the present invention. In FIG. 3, 1 is a digital measuring means for measuring the biological information of the patient and outputting it as a digital signal, 4 is an analog measuring means for measuring the biological information of the patient and outputting it as an analog signal, 8 is a digital measuring means 1 and an analog A connection terminal for connecting the measuring means 4, 11 is a guidance means for transmitting information about usage according to the digital measuring means 1 and the analog measuring means 4 to be used, and 12 is a plurality of information corresponding to the information indicated by the guidance means 11. The signal processing means 10 has an input mode and processes the signal input from the connection terminal 8 as a digital signal or an analog signal based on a predetermined control rule corresponding to each input mode. The storage means for storing is different from the configuration of the first embodiment in that a guidance means 11 and a signal processing means 12 are provided. Was the point.

The operation and action of the biometric information collecting device configured as described above will be described below.

First, depending on the type of biological information that the patient wants to measure, either the digital measuring means 1 or the analog measuring means 4 is connected to the connection terminal 8 in accordance with an instruction from the guidance means 11, and the guidance means 11 indicates Follow the procedure to measure biological information. Then, regardless of what is connected to the connection terminal 8, the signal processing means 12 temporarily outputs the signal input from the connection terminal 8 to the state shown in FIG.
Input is received as an analog signal as shown in. When the connected measuring means is the digital measuring means 1, the input mode of the signal processing means 9 becomes the mode for the digital signal according to the information from the guidance means 11, and the inputted analog signal is read by the software. Serially,
Based on a predetermined level (indicated by V0 in FIG. 2A), it is determined whether the level is the H level or the L level.
It is converted into a digital signal as shown in (b) and processed. Also, the connected measuring means is the analog measuring means 4
In this case, the input mode of the signal processing means 9 becomes the mode for the analog signal by the information from the guidance means 11, and the input analog signal is not converted but is processed as a continuous analog signal. After the signal processing of the signal processing means 9 is completed, the processing result is output to the storage means 10 to prepare for the next new processing.

As described above, in this embodiment, since the guidance means 11 transmits the information about the usage,
The operation procedure becomes clear, and it is easy to use even for people who do not have specialized knowledge.

(Embodiment 3) FIG. 4 is a block diagram of a biological information collecting apparatus according to a third embodiment of the present invention.
(A), (b), (c) is a waveform diagram after determination when there is an input waveform diagram and identification information of the biological information collecting apparatus according to the third embodiment of the present invention, and when there is no identification information It is a waveform diagram after the determination.

In FIG. 4, 13 is a digital measuring means for measuring the biological information of the patient and outputting it as a digital signal in which the identification information of the equipment used is added to the measured information, and 4 is an analog signal for measuring the biological information of the patient. , Analog connection means for connecting the digital measurement means 13 and the analog measurement means 4, and 14 for the digital measurement means 13
Signal processing means 10 for processing a signal input from the connection terminal 8 as a digital signal or an analog signal based on a predetermined control rule corresponding to each input mode. The storage means for storing the processing result of the signal processing means 9 is different from that of the first embodiment in that a digital measuring means 13 and a signal processing means 14 are provided.

The operation and action of the biometric information collecting apparatus configured as described above will be described below.

First, either the digital measuring means 13 or the analog measuring means 4 is connected to the connection terminal 8 according to the type of biological information that the patient wants to measure, and the biological information is measured. The signal processing means 14 receives the signal input from the connection terminal 8 as an analog signal as shown in FIG. 5A, regardless of what is connected to the connection terminal 8. Next, to confirm the identification information,
The input mode of the signal processing means 14 is set to the mode for digital signals, and the input analog signal is time-series on software at a predetermined level (indicated by V0 in FIG. 5A).
Is used as a reference to determine whether the signal is at the H level or the L level, the signal is converted into a digital signal, and it is determined whether there is identification information for the period indicated by T0 in FIG. When the connected measuring means is the digital measuring means 13, since the identification information is present in the input signal, the signal processing means 14 determines that the digital measuring means 13 is connected, and the signal processing means 14 detects The input mode continues to be a mode for digital signals, and for analog signals input after T0 as shown in FIG. 5B, the predetermined level indicated by V0 in FIG. Is determined to be H level or L level, and is converted into a digital signal for processing. When the connected measuring means is the analog measuring means 4, the signal processing means 14 determines that the analog measuring means 4 is connected because the identification information does not exist in the input signal, and the signal processing means 14 is connected. The input mode of is a mode for analog signals, and as shown in FIG. 5C, the analog signals input after T0 are not converted but are processed as continuous analog signals. Then, after the signal processing of the signal processing means 14 is completed, the processing result is output to the storage means 10 to prepare for the next new processing.

As described above, in the present embodiment, since the digital measuring means can be automatically identified, it is not necessary to manually set the device, and it is possible to improve the usability even for a person who has no specialized knowledge.

(Fourth Embodiment) FIG. 6 is a block diagram of a biological information collecting apparatus according to a fourth embodiment of the present invention. In FIG. 6, reference numeral 15 is a digital measuring means for measuring the biological information of the patient and outputting it as a digital acoustic signal, 16 is an analog measuring means for measuring the biological information of the patient and outputting it as an analog acoustic signal, and 17 is a digital measurement. Connecting means for connecting the means 15 and the analog measuring means 16 and converting an input acoustic signal into an electric signal, and 9 is provided with a plurality of input modes, and based on a predetermined control rule corresponding to each input mode, the connecting means The signal processing means 10 for processing the signal input from 17 as a digital signal or an analog signal is a storage means for storing the processing result of the signal processing means 9. The difference from the configuration of the first embodiment is the digital measuring means 15, The analog measuring means 16 and the connecting means 17 are provided.

The operation and action of the biometric information collecting device configured as described above will be described below.

First, either the digital measuring means 15 or the analog measuring means 16 is connected to the connecting means 17 according to the type of biological information that the patient wants to measure, and the biological information is measured. Next, the connecting means 17 converts the acoustic signal input from the digital measuring means 15 and the analog measuring means 16 into an electric signal and outputs it. And the signal processing means 9 is irrespective of what is connected to the connecting means 17,
The signal input from the connection means 17 is once received as an analog signal as shown in FIG. When the connected measuring means is the digital measuring means 15, the input mode of the signal processing means 9 becomes the mode for digital signals, and the input analog signals are time-sequentially set by software to a predetermined level ( 2 (a) is used as a reference to determine whether it is at the H level or the L level, and the digital signal as shown in FIG. 2 (b) is converted and processed. Further, when the connected measuring means is the analog measuring means 16, the input mode of the signal processing means 9 becomes a mode for analog signals, and the input analog signals are processed as continuous analog signals without conversion. To do. After the signal processing of the signal processing means 9 is completed, the processing result is output to the storage means 10 to prepare for the next new processing.

As described above, in the present embodiment, since the measuring means and the product body are connected using the acoustic signal, the measuring means and the product body are electrically completely insulated from each other. Even in the event of a failure, safety can be assured from the danger of electric shock.

(Fifth Embodiment) FIG. 7 is a block diagram of a biological information collecting apparatus according to a fifth embodiment of the present invention.
(A), (b), (c) is an input waveform diagram of the biological information collecting apparatus of Example 5 of the present invention, a waveform diagram of a digital part after signal separation, and a waveform diagram of an analog part after signal separation.

In FIG. 7, 18 is a digital measuring means for measuring the biological information of the patient and outputting it as a digital signal frequency-modulated at a predetermined frequency. 2 is a digital measuring means 1.
A first connection terminal for connecting 8 and 19 for measuring the biological information of the patient and outputting as an analog signal frequency-modulated at a frequency different from that of the digital measuring means 18 are analog measuring means 5 and 5 are analog measuring means 4. A second connection terminal to be connected, 20 is a digital signal portion in a frequency band of a signal input from the first connection terminal 2 and the second connection terminal 5 by the digital measuring means 1 and the analog measuring means 4 which are simultaneously connected. And a filter means for separating the analog signal portion,
Reference numeral 21 is a signal processing means for processing the signals separated by the filter means 20 as a digital signal and an analog signal respectively, and 10 is a storage means for storing the processing result of the signal processing means 9. The difference from the configuration of the first embodiment is digital. Measuring means 18, analog measuring means 19, and filter means 20
That is, the signal processing means 21 is provided.

A biometric information collecting device configured as described above
The operation and action of the device will be described below.

First, the digital measuring means 18 is connected to the first connection terminal 2 according to the type of biological information that the patient wants to measure.
The analog measuring means 19 is connected to the second connection terminal 5 to measure biological information. Next, the filter means 20 separates the signal input from the first connection terminal 2 and the second connection means 5 as shown in FIG. 8A into a digital signal portion and an analog signal portion by a frequency band, and performs signal processing. Output to the means 21. The signal processing means 21 is shown in FIG.
For the digital signal part of the input signal shown in,
The frequency used by the digital measuring means 18 (see FIG. 8).
Demodulation is performed in (a) (shown as f0), and the demodulated signal is converted into a digital signal by discriminating in time series on the software whether it is the H level or the L level based on a predetermined level. And process. Also, FIG. 8 (c)
For the analog signal part of the input signal shown in
The frequency used by the analog measuring means 19 (see FIG. 8).
Demodulation is performed at (a) (shown by f1), and the demodulated signal is processed as a continuous analog signal without conversion. After the signal processing of the signal processing means 21 is completed, the processing result is output to the storage means 10 to prepare for the next new processing.

As described above, in the present embodiment, since plural kinds of measuring means can be connected at the same time, it is not necessary to reconnect the measuring means each time measurement is performed, and it is possible to improve the usability even for a person having no specialized knowledge.

[0036]

As described above, according to the present invention, the circuit structure is simplified, the cost is low, and the reliability is high. Moreover, it is possible to improve the usability even for people who do not have specialized knowledge. In addition, even if the product fails, it is possible to ensure safety from the danger of electric shock.

[Brief description of drawings]

FIG. 1 is a block diagram of a biological information collecting apparatus according to a first embodiment of the present invention.

FIG. 2A is an input waveform diagram of the biological information collecting apparatus according to the first embodiment of the present invention. FIG. 2B is a converted waveform diagram of the biological information collecting apparatus according to the first embodiment of the present invention.

FIG. 3 is a block diagram of a biological information collecting device according to a second embodiment of the present invention.

FIG. 4 is a block diagram of a biological information collecting device according to a third embodiment of the present invention.

5A is an input waveform diagram of the biological information collecting apparatus according to the third embodiment of the present invention. FIG. 5B is a waveform diagram after determination when identification information of the biological information collecting apparatus according to the third embodiment of the present invention exists. c) Waveform diagram after determination when identification information of the biological information collecting apparatus according to the third embodiment of the present invention does not exist

FIG. 6 is a block diagram of a biological information collecting device according to a fourth embodiment of the present invention.

FIG. 7 is a block diagram of a biological information collecting device according to a fifth embodiment of the present invention.

FIG. 8A is an input waveform diagram of the biological information collecting apparatus according to the fifth embodiment of the present invention. FIG. 8B is a waveform diagram of a digital portion after signal separation of the biological information collecting apparatus according to the fifth embodiment of the present invention. Waveform diagram of the analog portion after signal separation in the biological information collecting apparatus according to the fifth embodiment of the invention.

FIG. 9 is a block diagram of a conventional biological information collecting device.

[Explanation of symbols]

1, 13, 15, 18 Digital measuring means 2 First connection terminal (input means) 4, 16, 19 Analog measuring means 5 Second connection terminal (input means) 8 connection terminals (input means) 9, 12, 14, 21 Signal processing means 10 storage means 11 Guidance means 17 Connection means 20 Filter means

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) (72) Inventor Toru Enguchi 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (72) Inventor Toshiyuki Tanaka 1006 Kadoma, Kadoma, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (72) Noriaki Akai, No. 1006, Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd.

Claims (5)

[Claims] 1. A digital measuring means for measuring biometric information of a patient and outputting the digital signal, an analog measuring means for measuring biometric information of the patient and outputting the analog signal, the digital measuring means and the analog measuring means. Input means for inputting a signal from the input means, and signal processing for processing the signal input from the input means as a digital signal or an analog signal based on a predetermined control rule having a plurality of input modes A biometric information collecting device having means and storage means for storing the processing result of the signal processing means. 2. Guidance means for transmitting information about usage according to each of the digital measuring means and the analog measuring means to be used, and a plurality of input modes corresponding to the information indicated by the guidance means are provided. The biological information collecting apparatus according to claim 1, further comprising a signal processing unit that processes an input signal based on a predetermined control rule according to the predetermined control rule. 3. The biometric information collecting apparatus according to claim 1, wherein the digital measuring means outputs a digital signal obtained by adding the identification information unique to the device to the measured biometric information. 4. The biological information collecting apparatus according to claim 1, wherein the signals output from the digital measuring unit and the analog measuring unit are acoustic signals. 5. A filter means for simultaneously inputting signals from the digital measuring means and the analog measuring means, separating the inputted signals into a digital signal portion and an analog signal portion in a frequency band, and outputting the signals to a signal processing means. Item 1
The biometric information collection device according to any one of 1 to 3.