JP2001260698A - Cardiac respiratory detecting device - Google Patents

Cardiac respiratory detecting device

Info

Publication number
JP2001260698A
JP2001260698A JP2000079016A JP2000079016A JP2001260698A JP 2001260698 A JP2001260698 A JP 2001260698A JP 2000079016 A JP2000079016 A JP 2000079016A JP 2000079016 A JP2000079016 A JP 2000079016A JP 2001260698 A JP2001260698 A JP 2001260698A
Authority
JP
Japan
Prior art keywords
driver
transmitter
receiver
transceiver
detection device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
JP2000079016A
Other languages
Japanese (ja)
Inventor
Yoshihiro Noguchi
野口義博
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Isuzu Motors Ltd
Original Assignee
Isuzu Motors Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Isuzu Motors Ltd filed Critical Isuzu Motors Ltd
Priority to JP2000079016A priority Critical patent/JP2001260698A/en
Publication of JP2001260698A publication Critical patent/JP2001260698A/en
Withdrawn legal-status Critical Current

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  • Automotive Seat Belt Assembly (AREA)
  • Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)

Abstract

PROBLEM TO BE SOLVED: To solve a problem in a conventional cardiac respiratory detecting device comprising a transmitter-receiver capable of applying the electromagnetic wave to a driver and receiving its reflected wave, and a processing unit executing the operation based on the change of frequencies of the irradiation wave and the reflected wave to obtain a heart rate and a respiration rate, and executing the irradiation from the transmitter-receiver located at a position separated from the driver, that many noises are included in the detected data when the driver's body is longitudinally moved in accelerating, decelerating or the like, which lowers the reliability on the data. SOLUTION: The transmitter-receiver 7 is mounted on a face to be kept into contact with a body of the driver 4, of a seat belt 9. As the transmitter- receiver 7 is closely kept into contact with the driver at all times even when the driver's body is longitudinally moved during driving, the noises on the detected data can be reduced, and the heart rate and the respiration rate can be correctly detected.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、運転シートに座っ
ている運転者の、心拍数や呼吸数を検出する心拍呼吸検
出装置に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heart rate respiration detecting device for detecting a heart rate and a respiration rate of a driver sitting on a driving seat.

【0002】[0002]

【従来の技術】車両の運転者が、居眠り状態になったり
急病になったりすると、事故を起こす恐れがある。そこ
で、それを未然に防止するため、運転者の身体状態を常
時検出し、車両内で自動的に警報を発したり、あるいは
検出した身体情報を中央運行指令センターへ送り、そこ
で総合的に分析した後、運転者に警告や指令を発っした
りすることが行われている。心拍呼吸検出装置は、その
ような場合に使用される身体状態検出装置の1種であ
り、運転中の運転者の心拍数や呼吸数を検出する。
2. Description of the Related Art When a driver of a vehicle falls asleep or is suddenly ill, an accident may occur. Therefore, in order to prevent this, the driver's physical condition is constantly detected, an alarm is automatically issued in the vehicle, or the detected physical information is sent to the Central Operation Command Center, where it is analyzed comprehensively. Later, a warning or a command is issued to the driver. The heartbeat respiration detection device is one type of a body condition detection device used in such a case, and detects the heart rate and respiration rate of the driver during driving.

【0003】図5は、従来の心拍呼吸検出装置を示す図
であり、1は運転シート、2は背もたれ部、3は座席
部、4は運転者、5は心拍呼吸検出装置、6は演算処理
装置、7は送受信器、8は配線である。心拍呼吸検出装
置5は、送受信器7と演算処理装置6とから構成され、
両者は配線8で連結されている。送受信器7は、運転者
4の胸部または腹部に向かって電磁波を照射すると共
に、その反射波を受信する。演算処理装置6は、照射し
た電磁波と反射された電磁波のデータを演算処理する装
置である。
FIG. 5 is a view showing a conventional heartbeat respiration detecting apparatus, in which 1 is a driving seat, 2 is a backrest portion, 3 is a seat portion, 4 is a driver, 5 is a heartbeat respiration detecting device, and 6 is an arithmetic processing. The device, 7 is a transceiver, and 8 is wiring. The heartbeat respiration detection device 5 includes a transceiver 7 and an arithmetic processing device 6,
Both are connected by a wiring 8. The transceiver 7 irradiates an electromagnetic wave toward the chest or abdomen of the driver 4 and receives the reflected wave. The arithmetic processing device 6 is a device that performs arithmetic processing on the data of the emitted electromagnetic wave and the reflected electromagnetic wave.

【0004】送受信器7は、運転シート1に座った運転
者4の運転の邪魔にならないよう、運転者4より離れた
位置に設置される。肺や心臓の動きにより身体表面が動
くが、この動きにより、送受信器7と運転者4(の身体
表面)との間の距離が僅かに変化する。そのため、送受
信器7が受信した信号には、胸部もしくは腹部の変位状
態を表す信号が含まれており、演算処理装置6では受信
信号を分析して心臓や肺の動きを割り出し、心拍数や呼
吸数を検出する。このような心拍呼吸検出装置に関する
従来の文献としては、例えば、特公平6−69444号
公報がある。
The transmitter / receiver 7 is installed at a position away from the driver 4 so as not to disturb the driver 4 sitting on the driver's seat 1. The movement of the lungs and the heart moves the body surface, which slightly changes the distance between the transceiver 7 and (the body surface of) the driver 4. Therefore, the signal received by the transceiver 7 includes a signal indicating the displacement state of the chest or abdomen, and the arithmetic processing unit 6 analyzes the received signal to determine the motion of the heart and lungs, and determines the heart rate and respiratory rate. Find the number. As a conventional document relating to such a heartbeat respiration detecting device, there is, for example, Japanese Patent Publication No. 6-69444.

【0005】[0005]

【発明が解決しようとする課題】(問題点)前記した従
来の心拍呼吸検出装置では、加速や減速等により運転者
の身体全体が前後に動いた場合、検出データの信頼性が
低下するという問題点があった。 (問題点の説明)図5において、運転者4の身体全体
が、送受信器7に対して相対的に静止していれば、運転
者4への照射波と運転者4からの反射波の周波数変化
は、肺や心臓の動きを反映したものとなる。しかし、車
両を運転していれば、加速や減速、或いは何らかの原因
により、運転者4の身体全体が前後に動く場合がよくあ
る。そのような場合には、運転者4と送受信器7との間
の距離は大きく変化するが、その時に得られるデータに
はノイズが多く含まれることとなり、検出データの信頼
性が低下する。本発明は、以上のような問題点を解決す
ることを課題とするものである。なお、特公平6−69
444号公報では、肺や心臓の動きによる運転者の身体
表面の動きを検出しているが、マイクロ波はその性質
上、身体の表面で全て反射されるものではなく、各々の
臓器の表面で反射されるものや、身体を通過して車両部
材で反射されるものがある。本発明による心拍呼吸検出
装置は、それらの反射波の中の、臓器表面からの反射波
を検出し、演算しようとするものである。
(Problem) In the above-described conventional heartbeat respiration detecting apparatus, when the entire body of the driver moves back and forth due to acceleration, deceleration, etc., the reliability of the detection data is reduced. There was a point. (Explanation of Problems) In FIG. 5, if the entire body of the driver 4 is relatively stationary with respect to the transmitter / receiver 7, the frequency of the irradiation wave to the driver 4 and the frequency of the reflected wave from the driver 4 The changes reflect the movements of the lungs and heart. However, when driving a vehicle, the entire body of the driver 4 often moves back and forth due to acceleration, deceleration, or some cause. In such a case, the distance between the driver 4 and the transceiver 7 greatly changes, but the data obtained at that time contains a lot of noise, and the reliability of the detected data decreases. An object of the present invention is to solve the above problems. In addition, 6-69
In Japanese Patent No. 444, the movement of the driver's body surface due to the movement of the lungs and heart is detected. However, due to its nature, microwaves are not completely reflected on the surface of the body. Some are reflected and some are reflected by vehicle members after passing through the body. The heartbeat respiration detecting apparatus according to the present invention detects a reflected wave from the surface of an organ among these reflected waves and attempts to calculate the reflected wave.

【0006】[0006]

【課題を解決するための手段】前記課題を解決するた
め、本発明では、運転者に電磁波を照射すると共にその
反射波を受信するための送受信器と、反射波の周波数変
化または反射波の戻り時間またはその両方を基に演算し
て心拍数,呼吸数を求める演算処理装置とを具えた心拍
呼吸検出装置において、前記送受信器を、シートベルト
の内側の面であって運転者の身体が当たる部分に取り付
けることとした。シートベルトへの取り付けに当たって
は、該送受信器の底部を弾性体で支持し、周囲に振動吸
収体を張設することによって行ない、送受信器の表面を
シートベルト内面より突出させるようにする。
According to the present invention, there is provided a transmitter / receiver for irradiating a driver with an electromagnetic wave and receiving the reflected wave, a frequency change of the reflected wave or a return of the reflected wave. A heartbeat / respiratory detection device comprising a processor for calculating a heart rate and a respiration rate based on time or both of them, wherein the transmitter / receiver hits the driver's body on the inner surface of the seat belt. I decided to attach it to the part. When attaching to the seatbelt, the bottom of the transceiver is supported by an elastic body, and a vibration absorber is stretched around the transceiver so that the surface of the transceiver protrudes from the inner surface of the seatbelt.

【0007】また、本発明では、運転者に電磁波を照射
すると共にその反射波を受信するための送受信器と、反
射波の周波数変化または反射波の戻り時間またはその両
方を基に演算して心拍数,呼吸数を求める演算処理装置
とを具えた心拍呼吸検出装置において、前記送受信器
を、運転シートの背もたれ部の運転者の背中が当たる部
分に取り付けることとした。背もたれ部への取り付けに
当たっては、送受信器の底部を弾性体で支持し、周囲に
振動吸収体を張設することによって行ない、送受信器の
表面を背もたれ部表面より突出させるようにする。
Further, according to the present invention, a transmitter / receiver for irradiating a driver with an electromagnetic wave and receiving the reflected wave, and a heart rate calculated based on a change in the frequency of the reflected wave and / or the return time of the reflected wave are used. In a heartbeat respiration detecting device provided with an arithmetic processing device for calculating the number and the respiratory rate, the transmitter / receiver is mounted on a portion of the backrest portion of the driving seat where the driver touches the back. When attaching to the backrest, the bottom of the transceiver is supported by an elastic body, and a vibration absorber is stretched around the transceiver, so that the surface of the transceiver protrudes from the surface of the backrest.

【0008】(解決する動作の概要)心拍呼吸検出装置
の一部を構成する送受信器を、運転シートの背もたれ部
またはシートベルトの、運転者に密着する部分に取り付
ける。送受信器が常に運転者に密着させられているの
で、運転中に運転者の身体が前後に移動したとしても、
検出データにノイズが入って来ることが少なくなり、心
拍数や呼吸数を正確に検出することが可能となる。
(Summary of operation to be solved) A transmitter / receiver constituting a part of the heartbeat respiration detecting device is attached to a portion of the backrest portion or the seat belt of the driving seat which is in close contact with the driver. Because the transceiver is always in close contact with the driver, even if the driver's body moves back and forth while driving,
Noise is less included in the detection data, and the heart rate and the respiration rate can be accurately detected.

【0009】[0009]

【発明の実施の形態】以下、本発明の実施形態を図面に
基づいて詳細に説明する。 (第1の実施形態)図1は、本発明の第1の実施形態を
示す図である。符号は図5のものに対応し、9はシート
ベルトである。図1(1)は、心拍呼吸検出装置5が取
り付けられた運転シート1を示し、図1(2)は、その
運転シート1に運転者4が座った状態を示している。こ
の実施形態では、心拍呼吸検出装置5の一部を構成する
送受信器7を、運転シート1のシートベルト9に設置す
る。演算処理装置6は、車両内の適宜箇所に設置し、配
線8で送受信器7と連結する。配線8は、例えばシート
ベルト9の端部まではシートベルト9に沿わせて配設
し、その端部からは車室内に配設して演算処理装置6へ
と接続する。シートベルト9における送受信器7の設置
位置は、シートベルト9の内側の面(運転者4に接触す
る側の面)であって、運転者4の肺や心臓付近に当たる
位置(胸や腹の位置)とする。
Embodiments of the present invention will be described below in detail with reference to the drawings. (First Embodiment) FIG. 1 is a diagram showing a first embodiment of the present invention. The reference numerals correspond to those in FIG. 5, and 9 is a seat belt. FIG. 1A shows a driving seat 1 to which a heartbeat respiration detecting device 5 is attached, and FIG. 1B shows a state where a driver 4 is sitting on the driving seat 1. In this embodiment, a transmitter / receiver 7 constituting a part of the heartbeat respiration detecting device 5 is installed on a seat belt 9 of the driving seat 1. The arithmetic processing device 6 is installed at an appropriate place in the vehicle, and is connected to the transceiver 7 via the wiring 8. The wiring 8 is disposed along the seat belt 9 up to, for example, the end of the seat belt 9, and is disposed in the vehicle cabin from the end to be connected to the arithmetic processing unit 6. The installation position of the transmitter / receiver 7 in the seat belt 9 is the inner surface of the seat belt 9 (the surface on the side in contact with the driver 4), and the position where the driver 4 touches the lungs or heart (position of the chest or abdomen). ).

【0010】図2は、第1の実施形態における送受信器
の取り付け方を示す図である。符号は図1のものに対応
し、10は振動吸収体、12は弾性体、14はシートベ
ルト内面である。シートベルト内面14は、シートベル
ト9に送受信器7を取り付けなかったと仮定した場合の
シートベルト内面である。シートベルト9の内側の面
(つまり、運転者に接触する側の面)に、送受信器7を
取り付ける。その際、送受信器7の表面(電磁波を送
信,受信する側の面)が運転者4に向くようにする。送
受信器7の底部は、シートベルト9との間に弾性体12
を介在させて支持する。送受信器7の周辺部とシートベ
ルト9との間には、複数個の振動吸収体10を張設し、
振動を吸収させる。
FIG. 2 is a diagram showing how to mount the transceiver in the first embodiment. The reference numerals correspond to those in FIG. 1, 10 is a vibration absorber, 12 is an elastic body, and 14 is an inner surface of the seat belt. The seatbelt inner surface 14 is a seatbelt inner surface when it is assumed that the transceiver 7 is not attached to the seatbelt 9. The transceiver 7 is attached to the inner surface of the seat belt 9 (that is, the surface that contacts the driver). At this time, the surface of the transceiver 7 (the surface on the side that transmits and receives electromagnetic waves) faces the driver 4. An elastic body 12 is provided between the bottom of the transceiver 7 and the seat belt 9.
To support it. A plurality of vibration absorbers 10 are stretched between the periphery of the transceiver 7 and the seat belt 9,
Absorb vibration.

【0011】この場合、送受信器7の表面が、シートベ
ルト内面14よりも少し突出するように配設する。この
ようにすれば、運転者4がシートベルト9を着用したと
き、シートベルト9の張設力で送受信器7が運転者4の
身体に押圧されるが、その押圧力により弾性体12が圧
縮されて弾発力を発揮するので、送受信器7の表面は運
転者4の身体に密着させられる。運転者4の胸や腹の部
分に送受信器7が密着するよう取り付けられると、加
速,減速等により運転者4の身体全体が前または後ろへ
移動しても、送受信器7も密着したまま一緒に移動す
る。そのため、データにノイズが入って来ず、肺や心臓
の動きがより一層正確に検出される。
In this case, the transmitter / receiver 7 is disposed so that the surface thereof slightly protrudes from the inner surface 14 of the seat belt. With this configuration, when the driver 4 wears the seat belt 9, the transceiver 7 is pressed against the driver 4 by the tension of the seat belt 9, but the elastic body 12 is compressed by the pressing force. Since the elasticity is exerted, the surface of the transceiver 7 is brought into close contact with the body of the driver 4. When the transmitter / receiver 7 is attached to the chest or abdomen of the driver 4 so as to be in close contact therewith, even if the entire body of the driver 4 moves forward or backward due to acceleration, deceleration, etc., the transmitter / receiver 7 is also kept in close contact. Go to Therefore, noise does not enter the data, and the movements of the lungs and heart are detected more accurately.

【0012】(第2の実施形態)図3は、本発明の第2
の実施形態を示す図であり、符号は図1のものに対応し
ている。図3(1)は、心拍呼吸検出装置5が取り付け
られた運転シート1を示し、図3(2)は、その運転シ
ート1に運転者4が座った状態を示している。この実施
形態では、心拍呼吸検出装置5の一部を構成する送受信
器7を、運転シート1の背もたれ部2に設置する。演算
処理装置6は、車両内の適宜箇所に設置し、背もたれ部
2内および車室内に配設した配線8で、送受信器7と連
結する。送受信器7の背もたれ部2における設置位置
は、運転者4に接触する側であって、運転者4の肺や心
臓がある付近の背中が当たる位置とする。
(Second Embodiment) FIG. 3 shows a second embodiment of the present invention.
FIG. 2 is a diagram showing an embodiment of the present invention, and reference numerals correspond to those in FIG. FIG. 3A shows the driving seat 1 to which the heartbeat respiration detecting device 5 is attached, and FIG. 3B shows a state where the driver 4 is sitting on the driving seat 1. In this embodiment, a transmitter / receiver 7 constituting a part of the heartbeat respiration detection device 5 is installed on the backrest 2 of the operation seat 1. The arithmetic processing device 6 is installed at an appropriate place in the vehicle, and is connected to the transmitter / receiver 7 by wires 8 arranged in the backrest 2 and the vehicle interior. The installation position of the transmitter / receiver 7 on the backrest portion 2 is a position on the side in contact with the driver 4 and on the back of the driver 4 near the lungs and heart.

【0013】図4は、第2の実施形態における送受信器
の取り付け方を示す図である。2−1は窪み、10は振
動吸収体、11はシート内部体、12は弾性体、13は
背もたれ部表面である。背もたれ部2の運転者に接触す
る側の表面に窪み2−1を作り、その中に、送受信器7
の表面(電磁波を送信,受信する側の面)が運転者4の
背中の方を向くようにして、取り付ける。送受信器7の
底部は、背もたれ部2との間に弾性体12を介在させて
支持する。送受信器7の周辺部と背もたれ部2との間に
は、複数個の振動吸収体10を張設し、振動を吸収させ
る。
FIG. 4 is a diagram showing a method of mounting a transceiver according to the second embodiment. 2-1 is a depression, 10 is a vibration absorber, 11 is a sheet inner body, 12 is an elastic body, and 13 is a backrest surface. A recess 2-1 is formed on the surface of the backrest 2 on the side in contact with the driver, and the transceiver 7 is formed therein.
Is mounted so that the surface (the surface on the side that transmits and receives electromagnetic waves) faces the back of the driver 4. The bottom of the transceiver 7 is supported by an elastic body 12 interposed between the transceiver 7 and the backrest 2. A plurality of vibration absorbers 10 are stretched between the periphery of the transceiver 7 and the backrest 2 to absorb vibration.

【0014】この場合、送受信器7の表面が、背もたれ
部表面13よりも少し突出するように配設する。このよ
うにすれば、運転者4が座ったとき、背もたれ部表面1
3に倒れかかる運転者4の背中で送受信器7の表面が押
圧されるが、その押圧力のかかり具合に応じて各弾性体
12は圧縮され、それぞれの弾発力により送受信器7を
押し返す。その押し返す力が、送受信器7の表面を運転
者4の背中に密着させるように働く。運転者4の背中が
送受信器7に密着するよう設置され、運転者4の身体全
体を後方へ動かす力が働いても、送受信器7は運転者4
の身体に密着したままとなる。そのため、データに入っ
て来るノイズが少なくなり、肺や心臓の動きが従来より
正確に検出される。
In this case, the transmitter / receiver 7 is disposed so that the surface thereof slightly protrudes from the backrest surface 13. In this way, when the driver 4 sits, the backrest surface 1
The surface of the transmitter / receiver 7 is pressed against the back of the driver 4 falling down on the vehicle 3, and each elastic body 12 is compressed according to the degree of the pressing force, and the transmitter / receiver 7 is pushed back by the respective elastic force. The pushing force acts to bring the surface of the transceiver 7 into close contact with the back of the driver 4. The driver 4 is installed so that the back of the driver 4 is in close contact with the transmitter / receiver 7, and the transmitter / receiver 7 is driven by the driver 4 even if a force to move the entire body of the driver 4 backward acts.
Will remain in close contact with his body. Therefore, noise coming into the data is reduced, and the movements of the lungs and heart are detected more accurately than before.

【0015】なお、送受信器が突出して見えることによ
る外観上の問題点を解決するため、突出している部分の
周囲に、運転者の着座時の圧力またはシートベルトの装
着時の圧力により、容易につぶれるような弾力性の非常
に小さい部材、例えば軟質のウレタンフォームシートの
ような部材を配設し、見た目の平面度を向上させてもよ
い。
[0015] In order to solve the problem of appearance due to the appearance of the transceiver being protruded, the pressure around the protruding portion when the driver sits down or when the seat belt is worn is easily applied around the protruding portion. A member having a very low elasticity such as crushing, for example, a member such as a soft urethane foam sheet, may be provided to improve the apparent flatness.

【0016】[0016]

【発明の効果】以上述べた如く、本発明の心拍呼吸検出
装置によれば、電磁波を送信,受信する送受信器を、運
転シートの背もたれ部またはシートベルトの、運転者に
密着する部分に取り付けるようにしたので、運転中に運
転者の身体が前後に移動したとしても、検出データにノ
イズが入って来ることがなく、検出データの信頼性が向
上し、心拍数や呼吸数を正確に検出することが出来るよ
うになった。
As described above, according to the heartbeat respiration detecting apparatus of the present invention, the transmitter / receiver for transmitting and receiving electromagnetic waves is mounted on the backrest of the driving seat or the portion of the seatbelt which is in close contact with the driver. Therefore, even if the driver's body moves back and forth during driving, noise does not enter the detection data, the reliability of the detection data improves, and the heart rate and respiration rate are accurately detected. I can do it.

【図面の簡単な説明】[Brief description of the drawings]

【図1】 本発明の第1の実施形態を示す図FIG. 1 is a diagram showing a first embodiment of the present invention.

【図2】 第1の実施形態における送受信器の取り付け
方を示す図
FIG. 2 is a diagram showing how to attach a transceiver in the first embodiment.

【図3】 本発明の第2の実施形態を示す図FIG. 3 is a diagram showing a second embodiment of the present invention.

【図4】 第2の実施形態における送受信器の取り付け
方を示す図
FIG. 4 is a diagram showing a method of attaching a transceiver according to a second embodiment.

【図5】 従来の心拍呼吸検出装置を示す図FIG. 5 is a diagram showing a conventional heartbeat respiration detection device.

【符号の説明】[Explanation of symbols]

1…運転シート、2…背もたれ部、2−1…窪み、3…
座席部、4…運転者、5…心拍呼吸検出装置、6…演算
処理装置、7…送受信器、8…配線、9…シートベル
ト、10…振動吸収体、11…シート内部体、12…弾
性体、13…背もたれ部表面、14…シートベルト内面
DESCRIPTION OF SYMBOLS 1 ... Operation seat, 2 ... Backrest part, 2-1 ... Depression, 3 ...
Seat part, 4 ... Driver, 5 ... Heartbeat respiration detection device, 6 ... Processing device, 7 ... Transceiver, 8 ... Wiring, 9 ... Seat belt, 10 ... Vibration absorber, 11 ... Seat inner body, 12 ... Elasticity Body, 13 ... backrest surface, 14 ... seat belt inner surface

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 運転者に電磁波を照射すると共にその反
射波を受信するための送受信器と、反射波の周波数変化
または反射波の戻り時間またはその両方を基に演算して
心拍数,呼吸数を求める演算処理装置とを具えた心拍呼
吸検出装置において、前記送受信器を、シートベルトの
内側の面であって運転者の身体が当たる部分に取り付け
たことを特徴とする心拍呼吸検出装置。
1. A transmitter / receiver for irradiating a driver with electromagnetic waves and receiving the reflected waves, and a heart rate and a respiratory rate calculated based on a frequency change of the reflected waves and / or a return time of the reflected waves. A heartbeat respiration detection device comprising: a heartbeat respiration detection device comprising: a heartbeat respiration detection device comprising: a heartbeat respiration detection device;
【請求項2】 送受信器のシートベルトへの取り付け
を、該送受信器の底部を弾性体で支持し、周囲に振動吸
収体を張設することによって行ない、該送受信器の表面
をシートベルト内面より突出させるようにしたことを特
徴とする請求項1記載の心拍呼吸検出装置。
2. A transmitter / receiver is attached to a seat belt by supporting the bottom of the transmitter / receiver with an elastic body and extending a vibration absorber around the transmitter / receiver. The heartbeat respiration detection device according to claim 1, wherein the heartbeat respiration detection device is configured to protrude.
【請求項3】 運転者に電磁波を照射すると共にその反
射波を受信するための送受信器と、反射波の周波数変化
または反射波の戻り時間またはその両方を基に演算して
心拍数,呼吸数を求める演算処理装置とを具えた心拍呼
吸検出装置において、前記送受信器を、運転シートの背
もたれ部であって運転者の背中が当たる部分に取り付け
たことを特徴とする心拍呼吸検出装置。
3. A transmitter / receiver for irradiating a driver with electromagnetic waves and receiving the reflected waves, and a heart rate and a respiratory rate calculated based on a frequency change of the reflected waves and / or a return time of the reflected waves. A heartbeat respiration detection device comprising: a heartbeat respiration detection device comprising: a heartbeat respiration detection device comprising: a heartbeat respiration detection device;
【請求項4】 送受信器の背もたれ部への取り付けを、
該送受信器の底部を弾性体で支持し、周囲に振動吸収体
を張設することによって行ない、該送受信器の表面を背
もたれ部表面より突出させるようにしたことを特徴とす
る請求項3記載の心拍呼吸検出装置。
4. A method for attaching a transceiver to a backrest,
4. The apparatus according to claim 3, wherein the bottom of the transceiver is supported by an elastic body, and a vibration absorber is stretched around the bottom of the transceiver to make the surface of the transceiver protrude from the surface of the backrest. Heart rate respiration detection device.
JP2000079016A 2000-03-21 2000-03-21 Cardiac respiratory detecting device Withdrawn JP2001260698A (en)

Priority Applications (1)

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Country Status (1)

Country Link
JP (1) JP2001260698A (en)

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