JPH07116257A - Doze preventive device - Google Patents

Doze preventive device

Info

Publication number
JPH07116257A
JPH07116257A JP5287737A JP28773793A JPH07116257A JP H07116257 A JPH07116257 A JP H07116257A JP 5287737 A JP5287737 A JP 5287737A JP 28773793 A JP28773793 A JP 28773793A JP H07116257 A JPH07116257 A JP H07116257A
Authority
JP
Japan
Prior art keywords
tilt sensor
hook
drowsiness
preventive device
battery
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.)
Pending
Application number
JP5287737A
Other languages
Japanese (ja)
Inventor
Masatsugu Segawa
正嗣 瀬川
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP5287737A priority Critical patent/JPH07116257A/en
Publication of JPH07116257A publication Critical patent/JPH07116257A/en
Pending legal-status Critical Current

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

Abstract

PURPOSE:To provide the doze preventive device which is inexpensive, light in weight and has a less wearing feel. CONSTITUTION:A hook 4 to be hooked to the ear-conch is coupled to an earphone-shaped main body 2 and an inclined sensor 6 is freely slidably mounted at this hook 4. This inclined sensor 6 is a switch consisting of a battery and buzzer built in the main body 2. The inclined sensor 6 turns on and alarm sounds are poured into the ear hole when the neck inclines.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の利用分野】この発明は、首の傾斜から居眠りを
検出するようにした居眠り防止器に関する。この発明
は、ドライバーの居眠りの防止や、学習中の居眠りの防
止などに用いる。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drowsiness preventive device for detecting drowsiness from the inclination of the neck. The present invention is used to prevent a driver from falling asleep, preventing drowsiness during learning, and the like.

【0002】[0002]

【従来技術】居眠り防止器として、眼鏡に瞬きセンサを
設け、瞬きの回数から居眠りを検出することが知られて
いる(例えば特開昭63−216193号)。瞬きセン
サはLEDとフォトダイオードとの組み合せからなり、
眼球にLEDから光を当て、反射光をフォトダイオード
で検出する。そして眼球と瞼とでは反射率が異なるの
で、反射光の急激な変化を瞬きとする。しかしこのよう
な居眠り防止器は、眼鏡を使わない人には適用できな
い。また眼球に向けてLEDとフォトダイオードを位置
合わせするのは難しく、さらに反射光の急激な変化を検
出しかつ周囲の光による誤動作を除くためには、信号処
理回路が必要である。このような信号処理回路を加え、
LEDとフォトダイオードとを眼鏡に結合すると、眼鏡
は重くなり、居眠り防止器は高価になる。
2. Description of the Related Art As a drowsiness preventer, it is known that eyeglasses are provided with a blink sensor to detect drowsiness from the number of blinks (for example, Japanese Patent Laid-Open No. 63-216193). The blink sensor consists of a combination of LED and photodiode,
Light is emitted from the LED to the eyeball and the reflected light is detected by the photodiode. Since the eyeball and the eyelid have different reflectances, a rapid change in reflected light is taken as a blink. However, such a snooze device cannot be applied to a person who does not wear glasses. Further, it is difficult to align the LED and the photodiode toward the eyeball, and further, a signal processing circuit is required to detect a sudden change in reflected light and eliminate a malfunction due to ambient light. Adding such a signal processing circuit,
Coupling LEDs and photodiodes to eyeglasses makes the eyeglasses heavy and the snooze expensive.

【0003】これ以外の居眠り防止器として、自動車の
ハンドルに電位センサを設け、ドライバの皮膚電位の変
化を検出することが知られている(例えば特公昭62−
34215号)。この居眠り防止器では、皮膚電位の変
化から居眠りを検出する。しかしこのような居眠り防止
器は自動車の装備としてしか用いることができず、しか
も高価である。
As a drowsiness preventer other than this, it is known that a potential sensor is provided on a steering wheel of an automobile to detect a change in skin potential of a driver (for example, Japanese Patent Publication No. 62-62-62).
34215). This drowsiness preventer detects drowsiness from changes in the skin potential. However, such a drowsiness preventer can be used only as a vehicle equipment and is expensive.

【0004】[0004]

【発明の課題】この発明の課題は、 1) 安価で軽量で、耳への取り付けが容易で、使用時の
装着感が少なく、 2) 居眠りの検出感度の調整が容易で、 3) 電池の寿命が長い、居眠り防止器を提供することに
ある(請求項1〜4)。請求項3の課題は、上記1)〜3)
に加えて、 4) 音量調整が容易な居眠り防止器を提供することにあ
る。
An object of the present invention is to 1) be inexpensive, lightweight, easy to attach to the ear, and have little feeling of wearing when used, 2) easy to adjust the snooze detection sensitivity, An object is to provide a drowsiness preventive device having a long life (claims 1 to 4). The subject of claim 3 is the above 1) to 3).
In addition to 4), it is to provide a drowsiness preventive device whose volume can be easily adjusted.

【0005】[0005]

【発明の構成と作用】この発明の居眠り防止器は、電池
と発音部とを内蔵したイヤホーン状の居眠り防止器本体
と、耳殻に引っかけるためのフックと、傾きによりオン
オフするスイッチからなる傾きセンサとを設けて、傾き
センサをフックに摺動自在に取り付けるとともに、傾き
センサを電池と発音部との間のスイッチとしたものであ
る。好ましくは、傾きセンサを水銀スイッチとし、また
好ましくは本体にそれぞれ開口部を有する2枚の音量調
整板を設け、その一方を回転自在にする。さらに好まし
くは、発音部を音声ICとブザーとで構成する。
The snooze preventer of the present invention is an inclination sensor comprising an earphone-like snooze preventer main body having a battery and a sound generator built therein, a hook for hooking on the auricle, and a switch for turning on and off depending on the inclination. Is provided, the tilt sensor is slidably attached to the hook, and the tilt sensor is a switch between the battery and the sounding section. Preferably, the tilt sensor is a mercury switch, and preferably the main body is provided with two volume adjusting plates each having an opening, one of which is rotatable. More preferably, the sounding unit is composed of a voice IC and a buzzer.

【0006】この発明では、本体をイヤホーン状にして
耳穴に取り付けられるようにし、耳殻に引っかけるため
のフックに傾きセンサを取り付けて、首の傾きを検出す
る。居眠りにより首が傾くと傾きセンサがオンし、本体
の電池と発音部とが接続されて、警告音やメロディーな
どで居眠りを防止する。居眠りには首の傾きが伴い、水
銀スイッチ等の傾きセンサで検出できる。そして傾きセ
ンサは電池と発音部間のスイッチで、居眠りを検出した
時以外には消費電力は0で、電池の寿命を伸ばすことが
できる。また発音部の音はイヤホーン状の本体から直接
耳に吹き込まれるので、小さな音量でも人を起こすこと
ができる。このため発音部や電池を小型化でき、電池の
寿命をさらに延ばすことができる。
In the present invention, the body is made into an earphone shape so that it can be attached to the ear canal, and the inclination sensor is attached to the hook for hooking on the auricle to detect the inclination of the neck. When the head is tilted due to drowsiness, the tilt sensor is turned on, the battery of the main body and the sounding unit are connected, and the drowsiness is prevented by a warning sound or a melody. Dozing is accompanied by tilting of the neck, which can be detected by a tilt sensor such as a mercury switch. The tilt sensor is a switch between the battery and the sounding unit, and consumes no power except when drowsiness is detected, so that the life of the battery can be extended. In addition, the sound of the sound generator is blown directly into the ear from the earphone-shaped body, so that a person can be awakened even at a low volume. Therefore, the sounding section and the battery can be downsized, and the life of the battery can be further extended.

【0007】居眠りに対する検出感度の調整のため、傾
きセンサをフック上で摺動できるようにする。例えば傾
きセンサをフックの前へ移動させれば、首が前へ倒れた
際の検出感度が増し、後ろへ移動させれば首が前に倒れ
た際の感度が低下する。このようにすればボリュームな
どを用いず、簡単に検出感度を調整できる。
The tilt sensor is made slidable on the hook in order to adjust the detection sensitivity for drowsiness. For example, if the tilt sensor is moved to the front of the hook, the detection sensitivity when the neck is tilted forward is increased, and if it is moved backward, the sensitivity when the neck is tilted forward is decreased. In this way, the detection sensitivity can be easily adjusted without using the volume or the like.

【0008】このような居眠り防止器は、軽量かつ安価
である。主な電気部品は傾きセンサと電池,発音部で、
主な機構部品はフックとイヤホーン状の本体ケースであ
る。使用には耳穴に本体を差込み、フックを耳殻に引っ
かければ良く、イヤホーンで携帯ラジオを聞くのと変わ
らない。従って不快感なしで、使用することができる。
Such a drowsiness preventer is lightweight and inexpensive. The main electrical parts are the tilt sensor, battery, and sound generator.
The main mechanical parts are the hook and earphone-shaped body case. To use it, just insert the main body into the ear hole and hook the hook into the ear shell, just like listening to a portable radio with an earphone. It can therefore be used without discomfort.

【0009】傾きセンサには例えば水銀スイッチを用
い、安価で信頼性の有るスイッチを用いることができ
る。音量の調整には、例えば調整板を2枚用い、一方を
回転させて開口部の相対位置を変え、取り出す音量を変
えれば良い。ボリュームで音量を変えるのに比べ、調整
板を回転させる方が容易かつ軽量で、安価である。また
警告音は単なるブザーの発振音としてもしても良いが、
音声ICなどを設け、メロディーや「起きろ」などの音
声としても良い。
For example, a mercury switch is used as the tilt sensor, and an inexpensive and reliable switch can be used. For adjusting the sound volume, for example, two adjusting plates may be used, and one of them may be rotated to change the relative position of the opening to change the sound volume to be taken out. Rotating the adjustment plate is easier, lighter, and cheaper than changing the volume with the volume. The warning sound may be a simple buzzer sound,
A voice IC or the like may be provided and used as a melody or a voice such as "wake up".

【0010】[0010]

【実施例】図1〜図4により、実施例を説明する。図1
において、2は居眠り防止器本体でイヤホーン状をし、
耳穴に差し込めるようにしてある。4は耳殻に引っかけ
るためのフックで、本体2と直接結合したが、コード8
で接続するだけでも良い。6は水銀スイッチからなる傾
きセンサで、首の傾きを検出する。
EXAMPLE An example will be described with reference to FIGS. Figure 1
2 is the body of the drowsiness preventer and has an earphone shape.
It's designed to fit in your ear canal. 4 is a hook for hooking on the auricle, which was directly connected to the main body 2, but a cord 8
Just connect with. 6 is a tilt sensor composed of a mercury switch, which detects the tilt of the neck.

【0011】図2に、傾きセンサ6を示す。10は傾き
センサ6のケースで、12,14は一対の電極、16は
水銀球で、首が前後に傾き、それに連れて水銀球16が
ケース10の両端へ移動すると、電極12,14が水銀
球16を介して接続され、センサ6がオンする。ここで
は前後双方への首の傾きを検出するようにしたが、前に
首が傾いたことのみを検出し、首が後ろ倒れになること
は検出しなくても良い。この傾きセンサ6は周知の水銀
スイッチを変形したもので、信頼性があり、安価であ
る。
FIG. 2 shows the tilt sensor 6. 10 is a case of the tilt sensor 6, 12 and 14 are a pair of electrodes, 16 is a mercury ball, and when the neck tilts back and forth and the mercury ball 16 moves to both ends of the case 10, the electrodes 12 and 14 are mercury. It is connected via the ball 16 and the sensor 6 is turned on. Here, the tilt of the neck to the front and back is detected, but it is only necessary to detect that the neck is tilted forward, and it is not necessary to detect that the neck is tilted backward. The tilt sensor 6 is a modification of a known mercury switch, and is reliable and inexpensive.

【0012】傾きセンサ6は摺動部18,18を用い
て、フック4に摺動自在に取り付け、前後に移動できる
ようにする。耳の形は人によって違うし、居眠り時の首
の倒れ方も人によって異なる。そこで傾きセンサを耳殻
の頂部から前にスライドさせれば、前倒しへの感度が増
し、後ろにスライドさせれば後ろ倒しへの感度が増す。
このため簡単に、居眠りの検出感度を調整できる。傾き
センサ6はオンオフスイッチであってボリュームなどで
感度を調整するのは難しいし、実施例には検出信号の増
幅用のアンプなどはない。従って傾きセンサ6を前後さ
せるのが最も簡単で、しかも調整が容易で安価である。
The inclination sensor 6 is slidably attached to the hook 4 by using the sliding portions 18 and 18 so that it can be moved back and forth. The shape of the ear differs from person to person, and the way the neck falls when falling asleep also varies from person to person. Therefore, if the tilt sensor is slid forward from the top of the auricle, the sensitivity to forward tilt is increased, and if it is slid backward, the sensitivity to backward tilt is increased.
Therefore, it is possible to easily adjust the drowsiness detection sensitivity. The inclination sensor 6 is an on / off switch, and it is difficult to adjust the sensitivity with a volume or the like, and the embodiment does not have an amplifier for amplifying the detection signal. Therefore, it is the easiest to move the tilt sensor 6 back and forth, and the adjustment is easy and inexpensive.

【0013】図3,図4に、本体2の構造を示す。図に
おいて、20はイヤホーン状の本体ケース、22は水銀
電池等の電池、24は発振ICなどの駆動IC、26は
発音用のダイヤフラム、28はダイヤフラム26に取り
付けたピエゾ発振子である。30,32は音量調整板
で、開口部34を設け、調整板32の突起36をケース
20の外から回すと、開口部34,34の重なりが変わ
り、ダイヤフラム26で生じた音の取り出し効率が変化
し、音量が変化する。
3 and 4 show the structure of the main body 2. In the figure, 20 is an earphone-shaped main body case, 22 is a battery such as a mercury battery, 24 is a drive IC such as an oscillation IC, 26 is a diaphragm for sound generation, and 28 is a piezo oscillator attached to the diaphragm 26. Reference numerals 30 and 32 are volume adjusting plates, and when an opening 34 is provided and the protrusion 36 of the adjusting plate 32 is rotated from the outside of the case 20, the overlapping of the openings 34 and 34 changes and the extraction efficiency of the sound generated by the diaphragm 26 is improved. Change, the volume changes.

【0014】実施例の居眠り防止器の使用法を説明す
る。本体2をイヤホーンのように耳穴に差込み、フック
4を耳殻に引っかける。居眠りへの感度の調整は、傾き
センサ6を前後動させることで行い、居眠りの検出時以
外は消費電力は0である。また音量の調整には、突起3
6を操作して音量調整板32を回せば良い。さて居眠り
により首が前後に倒れると、水銀球16が移動して電極
12,14が接続され、駆動IC24がオンして、ピエ
ゾ発振子28が発振し、この振動でダイヤフラム26か
ら音が生じる。この音は、開口部34,34を経て、耳
穴に注ぎ込まれ、この警告音で使用者は居眠りから覚め
る。
A method of using the snooze preventive device of the embodiment will be described. Insert the main body 2 into the ear hole like an earphone, and hook the hook 4 on the ear shell. The adjustment of the sensitivity to dozing is performed by moving the tilt sensor 6 back and forth, and the power consumption is 0 except when the dozing is detected. In addition, the protrusion 3
6 may be operated to turn the volume adjusting plate 32. When the head falls back and forth due to drowsiness, the mercury ball 16 moves to connect the electrodes 12 and 14, the driving IC 24 is turned on, the piezoelectric oscillator 28 oscillates, and this vibration causes a sound to be generated from the diaphragm 26. This sound is poured into the ear canal through the openings 34, 34, and the warning sound wakes the user from asleep.

【0015】図5に、銅球スイッチ40を用いた変形例
を示す。図において、42,44は電極、46は銅球で
ある。電極44,44はスイッチ40の両端に設け、こ
れらは短絡しておく。首の傾きにより銅球46が両端へ
移動すると、銅球46を介して電極42,44が接続さ
れ、首の傾きを検出できる。他の点は、図2の傾きセン
サ6と同様である。
FIG. 5 shows a modification using the copper ball switch 40. In the figure, 42 and 44 are electrodes, and 46 is a copper ball. The electrodes 44, 44 are provided at both ends of the switch 40, and these are short-circuited. When the copper ball 46 moves to both ends due to the tilt of the neck, the electrodes 42 and 44 are connected via the copper ball 46, and the tilt of the neck can be detected. The other points are the same as those of the tilt sensor 6 of FIG.

【0016】実施例では、ピエゾ発振子28の機械的な
警告音を用いたが、例えば図6のように、音声IC50
とピエゾブザー52とを用い、居眠りの検出時にメロデ
ィーや「起きろ」,「寝るな」などの音声を出力しても
良い。
In the embodiment, the mechanical warning sound of the piezo oscillator 28 is used. However, as shown in FIG.
And the piezo buzzer 52 may be used to output a melody or a voice such as "wake up" or "don't sleep" when a drowsiness is detected.

【0017】実施例の居眠り防止器の全重量は、水銀電
池内蔵のイヤホーンにフックと傾きセンサ6を合わせた
程度で、極めて軽量で、装着時の不快感は僅かである。
消費電力は、居眠り時以外は0で、居眠り時もダイヤフ
ラム26からの音を直接耳穴に入れるため僅かである。
感度調整は傾きセンサ6を前後動作させるだけで、音量
調整も突起36を回すだけである。これらのため、小型
かつ安価な居眠り防止器となる。
The total weight of the snooze preventive device of the embodiment is such that the hook and the inclination sensor 6 are combined with the earphone having a built-in mercury battery, and the weight is extremely light and the discomfort during wearing is slight.
The power consumption is 0 except when the person is asleep, and is small because the sound from the diaphragm 26 is directly put into the ear canal when the person is asleep.
To adjust the sensitivity, the tilt sensor 6 is moved back and forth, and the volume is adjusted by simply rotating the protrusion 36. For these reasons, it becomes a small and inexpensive drowsiness preventive device.

【0018】[0018]

【実施例2】図1〜図6の実施例や変形例では、首の前
後への傾きを検出した。図7,図8に、前後左右のいず
れの方向への傾きでも検出できる傾きセンサを示す。図
において、60は中空のケースで、中央の凹部62に水
銀球16を収容し、中空部の四周には一対の電極64,
66を設け、ケース60が傾き水銀球16が凹部62か
ら出ると、電極64,66が水銀球16で接続されて、
スイッチがオンするようにしてある。そして容器60は
摺動部18,18でフック4に係止し、前後への検出感
度を調整できるようにする。もちろんこの実施例は水銀
球16を用いるものに限らず、銅球46を用いても良
い。重要なことは、1) 傾きセンサの中央部に他よりも
低い位置を設けて、2) ここを導電性の移動部材,例え
ば水銀球16や銅球46の安定位置とし、3) センサが
傾くと移動部材が安定位置から外に出て、一対の電極を
接続する、ことである。
[Embodiment 2] In the embodiments and modified examples shown in FIGS. 1 to 6, the inclination of the neck in the front-back direction is detected. 7 and 8 show a tilt sensor that can detect tilt in any of the front, rear, left, and right directions. In the figure, 60 is a hollow case, in which the mercury bulb 16 is housed in a central concave portion 62, and a pair of electrodes 64,
When the case 60 is tilted and the mercury ball 16 comes out of the recess 62, the electrodes 64 and 66 are connected by the mercury ball 16,
The switch is turned on. Then, the container 60 is locked to the hook 4 by the sliding portions 18, 18 so that the front and rear detection sensitivity can be adjusted. Of course, this embodiment is not limited to the one using the mercury ball 16, and the copper ball 46 may be used. Importantly, 1) provide a lower position than the others in the center of the tilt sensor, 2) make this a stable position for the conductive moving member, eg mercury ball 16 or copper ball 46, and 3) tilt the sensor. And the moving member moves out of the stable position to connect the pair of electrodes.

【0019】[0019]

【発明の効果】この発明の居眠り防止器では、 1) 安価で軽量で、耳への取り付けが容易で、使用時の
不快感が少なく、 2) 居眠りの検出感度の調整が容易で、 3) 電池の寿命が長い(請求項1〜4)。また請求項3
の居眠り防止器では、上記1)〜3)に加えて、 4) 音量の調整が容易である。
EFFECTS OF THE INVENTION With the snooze preventive device of the present invention, 1) it is cheap and lightweight, easy to attach to the ear, and there is little discomfort during use, 2) it is easy to adjust the snooze detection sensitivity, and 3) The battery has a long life (claims 1 to 4). Claim 3
In addition to the above 1) to 3), it is easy to adjust the volume 4) with the doze preventive device.

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

【図1】 実施例の居眠り防止器の正面図FIG. 1 is a front view of a snooze preventive device according to an embodiment.

【図2】 実施例の傾きセンサの断面図FIG. 2 is a sectional view of an inclination sensor according to an embodiment.

【図3】 実施例の居眠り防止器本体の断面図FIG. 3 is a sectional view of the main body of the snooze preventive device of the embodiment.

【図4】 実施例の居眠り防止器の音量調整部の分解
状態を示す斜視図
FIG. 4 is a perspective view showing a disassembled state of a volume adjusting unit of the doze preventive device of the embodiment.

【図5】 変形例の傾きセンサの断面図FIG. 5 is a sectional view of a tilt sensor of a modified example.

【図6】 変形例の居眠り防止器の回路図FIG. 6 is a circuit diagram of a modified snooze device.

【図7】 第2の実施例の傾きセンサの水平方向断面
FIG. 7 is a horizontal sectional view of a tilt sensor according to a second embodiment.

【図8】 第2の実施例の傾きセンサの垂直方向断面
FIG. 8 is a vertical sectional view of a tilt sensor according to a second embodiment.

【符号の説明】[Explanation of symbols]

2 本体 4 フック 6 傾きセンサ 8 ケーブル 10,60 ケース 12,14 電極 16 水銀球 18,18 摺動部 20 本体ケース 22 電池 24 駆動IC 26 ダイヤフラム 28 ピエゾ発振子 30,32 音量調整板 34 開口部 36 突起 40 銅球スイッチ 42,44 電極 46 銅球 50 音声IC 52 ピエゾブザー 62 凹部 64,66 電極 2 Main body 4 Hook 6 Tilt sensor 8 Cable 10,60 Case 12,14 Electrode 16 Mercury bulb 18,18 Sliding part 20 Main body case 22 Battery 24 Drive IC 26 Diaphragm 28 Piezo oscillator 30,32 Volume adjustment plate 34 Opening part 36 Protrusion 40 Copper ball switch 42,44 Electrode 46 Copper ball 50 Voice IC 52 Piezo buzzer 62 Recess 64,66 Electrode

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 電池と発音部とを内蔵したイヤホーン状
の居眠り防止器本体と、耳殻に引っかけるためのフック
と、傾きによりオンオフするスイッチからなる傾きセン
サとを設けて、傾きセンサをフックに摺動自在に取り付
けるとともに、傾きセンサを電池と発音部との間のスイ
ッチとした居眠り防止器。
1. An earphone-shaped drowsiness preventer body having a built-in battery and a sounding unit, a hook for hooking on the auricle, and a tilt sensor including a switch that is turned on and off by tilting are provided, and the tilt sensor is used as a hook. A snooze preventive device that is slidably mounted and uses a tilt sensor as a switch between the battery and the sound generator.
【請求項2】 前記傾きセンサを水銀スイッチとしたこ
とを特徴とする、請求項1の居眠り防止器。
2. The drowsiness preventer according to claim 1, wherein the tilt sensor is a mercury switch.
【請求項3】 前記本体に、それぞれ開口部を有する2
枚の音量調整板を設け、その一方を回転自在にしたこと
を特徴とする、請求項1の居眠り防止器。
3. The body has openings 2 respectively.
The doze preventive device according to claim 1, wherein one volume adjusting plate is provided, and one of the volume adjusting plates is rotatable.
【請求項4】 前記発音部を、音声ICとブザーとで構
成したことを特徴とする、請求項1の居眠り防止器。
4. The drowsiness preventer according to claim 1, wherein the sounding unit is composed of a voice IC and a buzzer.
JP5287737A 1993-10-21 1993-10-21 Doze preventive device Pending JPH07116257A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5287737A JPH07116257A (en) 1993-10-21 1993-10-21 Doze preventive device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5287737A JPH07116257A (en) 1993-10-21 1993-10-21 Doze preventive device

Publications (1)

Publication Number Publication Date
JPH07116257A true JPH07116257A (en) 1995-05-09

Family

ID=17721108

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5287737A Pending JPH07116257A (en) 1993-10-21 1993-10-21 Doze preventive device

Country Status (1)

Country Link
JP (1) JPH07116257A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109656374A (en) * 2019-01-22 2019-04-19 广东得胜电子有限公司 A kind of anti-drowsy equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109656374A (en) * 2019-01-22 2019-04-19 广东得胜电子有限公司 A kind of anti-drowsy equipment

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