JPH02164943A - Automatic faucet - Google Patents

Automatic faucet

Info

Publication number
JPH02164943A
JPH02164943A JP32173688A JP32173688A JPH02164943A JP H02164943 A JPH02164943 A JP H02164943A JP 32173688 A JP32173688 A JP 32173688A JP 32173688 A JP32173688 A JP 32173688A JP H02164943 A JPH02164943 A JP H02164943A
Authority
JP
Japan
Prior art keywords
threshold value
threshold
level
bowl
reflected wave
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.)
Granted
Application number
JP32173688A
Other languages
Japanese (ja)
Other versions
JP2923957B2 (en
Inventor
Osamu Tsutsui
修 筒井
Takahiro Doke
隆博 道家
Toshio Eki
利男 驛
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.)
Toto Ltd
Original Assignee
Toto 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 Toto Ltd filed Critical Toto Ltd
Priority to JP32173688A priority Critical patent/JP2923957B2/en
Publication of JPH02164943A publication Critical patent/JPH02164943A/en
Application granted granted Critical
Publication of JP2923957B2 publication Critical patent/JP2923957B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

PURPOSE:To easily adjust the threshold value and secure the operation by setting the level of the reflected wave from a bowl to the first threshold value and discharging hot water when the second threshold value with the level higher than the first threshold value by a fixed value is exceeded. CONSTITUTION:A noncontact type object detecting sensor S with a transmitting section 11 and a receiving section 12 is provided above a bowl 1, and hot water is discharged through a discharge port 3 when the level of the reflected wave exceeds the threshold value preset by a threshold value setter 21. The second threshold value with the level higher than the first threshold value with the level of the reflected wave from the bowl 1 by a fixed value is set to the threshold setter 21, both threshold values can be switched by a switching switch 25. After the first threshold value is set and adjusted on the switch 25, the switch 25 is switched to the second threshold value for use. The adjusting work of the threshold value is required only on the first threshold value and can be easily performed.

Description

【発明の詳細な説明】 (イ) 産業上の利用分野 本発明は使用者の手などを検出して、自動的に湯水を吐
出・停止する自動水栓に関する。
DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to an automatic faucet that detects the user's hand or the like and automatically discharges and stops hot water.

(髪コ) 従来の技術 従来、発信部と受信部とを具備した非接触型の物体検出
センサを設けて、発信部から下方向に赤外線または超音
波等を発射し、受信部て反射波を受信して、上記センサ
の下方に手等が存在すると反射波のレベルが強くなるこ
とを利用して、反射波のしベルか一定のしきい値をこえ
ると、吐水口から湯水を吐出するようにした自動水栓が
あり、製品を出荷する際に、上記しきい値を適当と思わ
れる一定の距離に手などの物体が存在するときの値に設
定している。
(Hair) Conventional technology Conventionally, a non-contact object detection sensor equipped with a transmitting part and a receiving part is provided, and the transmitting part emits infrared rays or ultrasonic waves downward, and the receiving part receives reflected waves. Taking advantage of the fact that the level of the reflected wave becomes stronger when a hand or the like is present below the sensor, when the level of the reflected wave exceeds a certain threshold, hot water is discharged from the spout. There is an automatic water faucet that is equipped with an automatic faucet, and when the product is shipped, the above threshold value is set to a value that would occur when an object such as a hand is present at a certain distance deemed appropriate.

(ハ) 発明が解決しようとする課題 しかしながら、物体検出センサと吐水口とをユニット化
する為に、同センサをボウルの上方に配設した場合には
、同センサとボウルの内底面とが対向して同ボウルから
の反射が強く、かつ、ボウルの種類によって反射率か異
なるため、反射波のレベルがボウルごとに異なり、また
、自動水栓とボウルとの相対位置の僅かなずれによって
も反射波のレベルか大きく変動するため、出荷時に設定
したしきい値ては正確な検出を行い吐く、誤動作の原因
となっている。
(C) Problems to be Solved by the Invention However, when the object detection sensor and the water spout are arranged above the bowl in order to form a unit, the sensor and the inner bottom surface of the bowl face each other. The reflection from the same bowl is strong, and the reflectivity differs depending on the type of bowl, so the level of reflected waves differs from bowl to bowl.Also, slight deviations in the relative position between the automatic faucet and the bowl can cause reflections. Since the wave level fluctuates greatly, the threshold set at the time of shipment does not allow for accurate detection, which can cause malfunctions.

その為、自動水栓を設置した後、現場でしきい値の設定
をやり直す作業が必要になるか、現場でのしきい値の設
定作業は、デザインおよび使い勝−L−Lの理由から、
しきい値設定器を配設したコントローラが、洗面台等の
奥部やボウルの下方に配設されている場合が多く、物体
検出センサから離れているため、センサの下方に手を出
し入れするのと、しきい値設定器を調整するのとを同時
に行うことができず、さらに、しきい値調整についても
、それぞれのケース毎に反射波のレベルをみなげればな
らなく、非常にf数がかかるものであった。
Therefore, after installing an automatic faucet, it may be necessary to re-set the threshold value on-site, or setting the threshold value on-site may be difficult due to design and usability reasons.
The controller with the threshold setting device is often located deep inside the sink or under the bowl, and is far away from the object detection sensor, making it difficult to reach under the sensor. and adjusting the threshold setting device at the same time, and furthermore, when adjusting the threshold value, the level of the reflected wave must be checked for each case, and the f-number is extremely high. It cost a lot of money.

(ニ) 課題を解決する手段 本発明ては、ボウルの−1一方に、発信部と受信部とを
具1曲した非接触型の物体検出センサを、検出方向を1
ζ方向にして設け、同センサに接続しなしきい値設定器
で予め設定しなしきい値を、反射波のし・ベルが超えた
とき、吐水口から湯水を吐出するようにした自動水栓に
おいて、しきい値設定器にしきい値L7J換用のスイッ
チを設けると共に、ボウルからの反射波のレベルを第1
のしきい値とし、このし、きい値を基準として、これよ
りも予め設定した一定値たり高いレベルて第2のしきい
値を設定し、スイッチの操作て、第1、第2のしきい値
の切換を可能とし、反射波のレベルが第2のしきい値を
超えたとき、吐水「1から湯水を吐出するようにしたこ
とを特徴とする自動水栓を提供ぜんとするものである。
(d) Means for Solving the Problems In the present invention, a non-contact type object detection sensor having a transmitting part and a receiving part bent in one direction is mounted on one side of the bowl.
In an automatic faucet that is installed in the ζ direction and discharges hot water from the spout when the reflected wave exceeds a threshold that is set in advance with a threshold setting device that is not connected to the sensor. , the threshold setting device is equipped with a switch for replacing the threshold L7J, and the level of the reflected wave from the bowl is set to the first level.
Then, using this threshold as a reference, set a second threshold at a preset value or a higher level than this, and operate the switch to set the first and second thresholds. It is an object of the present invention to provide an automatic faucet characterized in that the value can be changed and hot water is discharged from the water discharge point "1" when the level of the reflected wave exceeds a second threshold value. .

(ホ) 作用・効果 本発明によれば、現場におけるしきい値の設定に際し、
自動水栓を装備1した洗面台等を設置した後、物体検出
センサを作動させて第1のしきい値を検出し、このとき
のレベルを第1のしきい値とし、スイッチを操作して、
第1のしきい値よりも、予め定めておいな値だけ高いレ
ベルに第2の12きい値を設定することでしきい値の設
定作業か完了する。
(E) Function/Effect According to the present invention, when setting a threshold value on site,
After installing a washbasin etc. equipped with an automatic faucet1, activate the object detection sensor to detect the first threshold, set the level at this time as the first threshold, and operate the switch. ,
The threshold setting work is completed by setting the second 12 thresholds to a level higher than the first threshold by a predetermined value.

上記のように、物体検出センサの下方に手を出し入れす
ることなくしきい値を設定することかてき、しきい値の
設置作業を著しく簡易なものにすることができるに のようにして設定された第2のしきい値は、自動水栓が
設置された状態でのボウルからの反射波のレベルよりも
予め定めておいた値だc−を確実に高く、したがって、
ボウルよりも同センサに近接した物体、すなわち、同セ
ンサとボウルとの間に介在した物体しか検出しないこと
になる。
As mentioned above, it is possible to set the threshold without putting your hand in or out of the object detection sensor, which greatly simplifies the work of installing the threshold. The second threshold is a predetermined value that ensures that the level of the reflected wave from the bowl is higher than the level of the reflected wave from the bowl when the automatic faucet is installed, and therefore
Only objects closer to the sensor than the bowl, that is, objects interposed between the sensor and the bowl, are detected.

また、上記の予め定めておいた値か、ノイズマージンと
して作用し、種々のポールとの組合せにおいても一定の
マージンを確保できることから高い確率で誤動作を防止
することができる。
In addition, the above predetermined value acts as a noise margin, and a certain margin can be secured even in combination with various poles, so malfunctions can be prevented with a high probability.

以−L述べてきたように、本発明には、しきい値の設置
作業を著しく簡易にすると共に、高い確率て誤動作を防
止することがてきるという効果がある。
As described above, the present invention has the effect of significantly simplifying the installation work of the threshold value and preventing malfunctions with a high probability.

(へ) 実施例 本発明の実施例を図面に基づいて説明する。(f) Examples Embodiments of the present invention will be described based on the drawings.

第1図は、本発明の自動水栓(A)を装備した洗面台C
B)を示し、(1)は同洗面台FB)の上面に配設した
ボウル、(2)は洗面台(B)の上面からボウル(1)
の上方に延出しな吐水金具、(3)は同金具(2)の先
端に設げな吐水口、(4)は吐水口(3)と接続した給
水管、(5)は給水管(4)の中途に設けた電磁弁、(
6)は排水管、(7)は洗面台(B)の前面に設けた扉
である。
Figure 1 shows a washbasin C equipped with the automatic faucet (A) of the present invention.
B), (1) shows the bowl placed on the top of the same washstand (FB), and (2) shows the bowl (1) from the top of the washstand (B).
(3) is a water spout provided at the tip of the metal fitting (2), (4) is a water supply pipe connected to the water spout (3), and (5) is a water supply pipe (4) that extends upward. ) Solenoid valve installed in the middle of (
6) is a drain pipe, and (7) is a door provided in front of the washstand (B).

(10)は吐水金具(2)の下面に吐水口(3)に近接
して設けた非接触型の物体検出センサ(S)の検出部で
あり、同センサ(S)は検出部(10)と、洗面台(B
)の内部の奥部に配設したコントローラ(13)とて構
成されており、物体の検出方向を下方向にしている。
(10) is a detection part of a non-contact type object detection sensor (S) provided on the lower surface of the water spout fitting (2) close to the water spout (3), and the sensor (S) is the detection part (10) and the washstand (B
), and the object detection direction is downward.

第2図は、上記物体検出センサ(S)の構成を示すブロ
ック図であり、検出部(10)は発信部(11)と受信
部(12)とで構成され、コントローラ(13)は、発
振器(14)、発信増幅器(15)、受信増幅器(18
)、コンパレータ(19)、パワーアンプ(20)、し
きい値設定器(21)、検出表示器(23)及び演算器
(24)で構成されており、発振器(14)で一定周波
数の電気振動を発振させ、これを発信増幅器(15)で
一定レベルに増幅し、発信部(11)にて一定レベルの
赤外線または超音波(16)等を下方向に発射するよう
にすると共に、受信部(12)に入射した反射波(17
)を電気信号に変換し、この電気信号を受信増幅器(1
8)で一定の増幅率で増幅し、コンパレータ(19)に
入力する。
FIG. 2 is a block diagram showing the configuration of the object detection sensor (S), in which the detection section (10) is composed of a transmitting section (11) and a receiving section (12), and the controller (13) is composed of an oscillator. (14), transmitting amplifier (15), receiving amplifier (18)
), a comparator (19), a power amplifier (20), a threshold value setter (21), a detection display (23), and an arithmetic unit (24). is oscillated, the oscillation amplifier (15) amplifies it to a certain level, the transmitting part (11) emits a certain level of infrared rays or ultrasonic waves (16), etc. downward, and the receiving part ( The reflected wave incident on (12)
) into an electrical signal, and this electrical signal is sent to a receiving amplifier (1
8), the signal is amplified at a constant amplification factor and input to the comparator (19).

コンパレータ(19)は入力した電気信号の反射波のレ
ベルと、後述するようにして設定したしきい値とを比較
して、反射波のレベルがし2きい値よりも高いときだけ
出力がON L、その他の場合は出力がOF Fするよ
うに構成されている。
The comparator (19) compares the level of the reflected wave of the input electric signal with a threshold set as described later, and turns the output ON L only when the level of the reflected wave is higher than the second threshold. , and in other cases, the output is turned off.

コンパレータ(19)の出力はパワーアンプ(20)を
介して電磁弁(り)に伝達され、同電磁弁(5)を開い
て吐水D(3)から湯水を吐出させる。
The output of the comparator (19) is transmitted to the solenoid valve (RI) via the power amplifier (20), which opens the solenoid valve (5) to discharge hot water from the water discharge D (3).

したがって、吐水口(3)からの湯水の吐出は、受信部
(12)に入射する反射波(17)のレベルと、しきい
値との比較によって制御されていることになる。
Therefore, the discharge of hot water from the spout (3) is controlled by comparing the level of the reflected wave (17) incident on the receiving section (12) with a threshold value.

コンパレータ(19)にはしきい値設定器(21)が接
続しており、同設定器(21)に設けた可変抵抗器(2
2)でしきい値を設定することができるようにしており
、同設定器(21)に近接して、コンパレータ(19)
の出力がONのとき点灯する検出表示器(23)として
のL E Dを配設している。
A threshold setter (21) is connected to the comparator (19), and a variable resistor (2
2) allows the threshold to be set, and a comparator (19) is installed adjacent to the setting device (21).
An LED is provided as a detection indicator (23) that lights up when the output is ON.

演算器(24)は、物体検出センサ(S)の最小検出距
離における反射波のレベルを記憶しており、スイツチ(
25)の操作により、同レベルと後述する第1のしきい
値とから第2のしきい値を算出し、これを物体検出のし
きい値として:1ンバレータ(19)に入力するように
構成している。
The computing unit (24) stores the level of the reflected wave at the minimum detection distance of the object detection sensor (S), and stores the level of the reflected wave at the minimum detection distance of the object detection sensor (S).
25), a second threshold value is calculated from the same level and a first threshold value described later, and this is input to the inverter (19) as a threshold value for object detection. are doing.

かかる構成の物体検出センサ(S)において、しきい値
は次のようにして設定される。
In the object detection sensor (S) having such a configuration, the threshold value is set as follows.

受信部(12)に入射する反射波(17)のレベルは、
物体検出センサ(S)をボウル(1)の上方に配設して
いるので、同センサ(S)とボウル(1)の内底面とか
対向して同ボウル(1)からの反射か強く、かつ、ボウ
ル(1)の形状、材質、色等によって反射率が異なるた
め、反射波のレベルかボウルことに異なり、また、物体
検出センサ(S)とボウル(1)との相対位置の僅かな
ずれによっても反射波のレベルが大きく変動するもので
あるから、洗面台(B)を設置し、物体検出センサ(S
)を装備した自動水栓(A)とボウル(1)との相対位
置を固定してから、すなわち、洗面台(B)の設置現場
で、設置作業か完了してから、しきい値を設定すること
になる。
The level of the reflected wave (17) that enters the receiver (12) is:
Since the object detection sensor (S) is placed above the bowl (1), the object detection sensor (S) and the inner bottom surface of the bowl (1) face each other, so that the reflection from the bowl (1) is strong and , since the reflectance varies depending on the shape, material, color, etc. of the bowl (1), the level of the reflected wave may vary depending on the bowl, and the slight deviation in the relative position between the object detection sensor (S) and the bowl (1) Since the level of reflected waves fluctuates greatly depending on the
) After fixing the relative position of the automatic faucet (A) and the bowl (1) equipped with I will do it.

しきい値設定作業は、まず、物体検出センサ(S)を作
動させておき、コントローラ(13)のしきい値設定器
(21)の可変抵抗器(22)でコンパレータ(19)
のしきい値を、ボウル(1)からの反射波(17)のし
・ベルよりも低く設定して、コンパレータ(19)から
出力させ、検出表示器(23)のLEDを点灯させてお
く。
To set the threshold value, first, the object detection sensor (S) is activated, and the variable resistor (22) of the threshold setter (21) of the controller (13) is used to set the comparator (19).
The threshold value of is set lower than the signal of the reflected wave (17) from the bowl (1), and the output is made from the comparator (19), and the LED of the detection indicator (23) is lit.

次いて、し2きい値設定器(21)の可変抵抗器(22
)で、コンパレータ(19)のしきい値を次第に高くし
て行き、上記検出表示器(23)がボウル(1)からの
反射波(17)のレベルがしきい値よりも低くなって、
コンパレータ(19)が出力しなくなり、検出表示器(
23)のL E Dが消灯したときのレベルを、第1の
しきい値とする。
Next, the variable resistor (22) of the threshold value setter (21) is
), the threshold value of the comparator (19) is gradually increased, and the detection indicator (23) indicates that the level of the reflected wave (17) from the bowl (1) is lower than the threshold value.
The comparator (19) no longer outputs, and the detection indicator (
The level at which the LED of 23) goes out is the first threshold.

次いで、スイッチ(25)をONして、演算器(24)
に信号を入力すると、予め定めておいた値、例えば、前
記の最小検出距離における反射波(17)のレベルと、
上記のようにして定めた第1のしきい値との差の約1/
2に定めた値だけ、第1のしきい値よりも高い値に第2
のしきい値を設定し、これをコンパレータ(19)に入
力することてしきい値の設定作業が完了し、爾後、この
第2のしきい値と反射波(17)とを比較して、第2の
しきい値よりも反射波(17)のレベルが高いときは、
物体検出センサ(S)の下方に物体があり、第2のしき
い値よりも反射波(17)のレベルか低いときは、物体
検出センサ(S)の下方に物体か無いと判断することに
なる。
Next, turn on the switch (25) and turn on the arithmetic unit (24).
When a signal is input to , a predetermined value, for example, the level of the reflected wave (17) at the minimum detection distance,
Approximately 1/1/2 of the difference from the first threshold determined as above
2, the second threshold is set to a value higher than the first threshold.
The threshold setting work is completed by setting a threshold of When the level of the reflected wave (17) is higher than the second threshold,
When there is an object below the object detection sensor (S) and the level of the reflected wave (17) is lower than the second threshold, it is determined that there is no object below the object detection sensor (S). Become.

−に記のように、物体検出センサ(S)の下方に手を出
し入れすること無く、スイッチ(25)の操作だけでし
きい値を設定することかでき、しきい値の設定作業を著
しく簡易なものにすることができる。
- As shown in , the threshold value can be set simply by operating the switch (25) without having to put your hand in or out of the object detection sensor (S), which greatly simplifies the threshold setting process. can be made into something.

このようにして設定された第2のしきい値は、自動水栓
(A)か設置された状態でのボウル(1)からの反射波
(17)のレベルよりも予め定めておいた値だけ確実に
高く、かつ、最小検出距離の反射波(17)のレベルよ
りも確実に低く、したがって、ボウル(1)よりも同セ
ンサ(S)に近接した物体、すなわち、同センサ(S)
とボウル(1)との間に介在した手などの物体しか検出
しないことになる。
The second threshold set in this way is a predetermined value lower than the level of the reflected wave (17) from the bowl (1) when the automatic faucet (A) is installed. An object that is definitely higher and definitely lower than the level of the reflected wave (17) at the minimum detection distance, and therefore closer to the sensor (S) than the bowl (1), that is, the sensor (S)
This means that only objects such as hands that are present between the bowl (1) and the bowl (1) are detected.

また、上記の予め定めておいな値か、ノイズマージンと
して作用するので、高い確率で誤動作を防止することが
できる。
In addition, since the above predetermined value acts as a noise margin, malfunctions can be prevented with a high probability.

以」二連べてきたように、本実施例では、しきい値の設
置作業を著しく簡易なものにすると共に、高い確率で誤
動作を防止することができるという効果かある。
As described above, this embodiment has the advantage of significantly simplifying the installation work of the threshold and preventing malfunctions with a high probability.

また、上記の説明では、コンパレータ(19)のしきい
値を変更して、物体の検出を自動水栓(A)の設置状況
に適合させるようにしているが、要は反射波のしベルと
しきい値とを比較する事が可能てあればよく、コンパレ
ータのしきい値を一定にし、受信増幅器の増幅率を変更
して反射波のレベルと比較するようにしてもよい。
In addition, in the above explanation, the threshold value of the comparator (19) is changed to adapt the object detection to the installation situation of the automatic faucet (A), but the point is that it is used as a filter for reflected waves. It is only necessary that the threshold value can be compared with the level of the reflected wave, and the threshold value of the comparator may be kept constant and the amplification factor of the receiving amplifier may be changed to compare the level of the reflected wave.

また、111f記のコンパレータ(19)をシュミツ1
〜回路で構成すると、反射波(17)のレベルがしきい
値に近いときのコンパレータ(1つ)の動作が安定する
In addition, the comparator (19) in section 111f is connected to Schmidt 1.
When configured with the ~ circuit, the operation of the comparator (one) becomes stable when the level of the reflected wave (17) is close to the threshold value.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明の自動水栓を有する洗面台の一部切断側
面図、第2図は物体検出センサの構成を示ず11772
図、第3図は物体検出セン日ノーと物体間の距離と反射
波のレベルとの関係を示すグラフ。 自動水栓 物体検出センサ ボウル 発信部 受信部 反射波 しきい値設定器 検出表示器 第1図
Fig. 1 is a partially cutaway side view of a wash basin with an automatic faucet according to the present invention, and Fig. 2 does not show the configuration of the object detection sensor.
FIG. 3 is a graph showing the relationship between object detection time, distance between objects, and level of reflected waves. Automatic Faucet Object Detection Sensor Bowl Transmitter Receiver Reflected Wave Threshold Setter Detection Display Figure 1

Claims (1)

【特許請求の範囲】 1)ボウル(1)の上方に、発信部(11)と受信部(
12)とを具備した非接触型の物体検出センサ(S)を
、検出方向を下方向にして設け、同センサ(S)に接続
したしきい値設定器(21)で予め設定したしきい値を
、反射波(17)のレベルが超えたとき、吐水口(3)
から湯水を吐出するようにした自動水栓(A)において
、 しきい値設定器(21)にしきい値切換用のスイッチ(
25)を設けると共に、ボウル(1)からの反射波(1
7)のレベルを第1のしきい値とし、このしきい値を基
準として、これよりも予め設定した一定値だけ高いレベ
ルで第2のしきい値を設定し、スイッチ(25)の操作
で、第1、第2のしきい値の切換を可能とし、反射波 (17)のレベルが第2のしきい値を超えたとき、吐水
口(3)から湯水を吐出するようにしたことを特徴とす
る自動水栓。
[Claims] 1) Above the bowl (1), a transmitting section (11) and a receiving section (
A non-contact object detection sensor (S) equipped with 12) is provided with the detection direction facing downward, and a threshold value set in advance by a threshold value setting device (21) connected to the sensor (S) is provided. When the level of the reflected wave (17) exceeds, the water outlet (3)
In the automatic faucet (A) that discharges hot water from the
25) and the reflected wave (1) from the bowl (1).
7) is set as the first threshold, and with this threshold as a reference, a second threshold is set at a level higher than this by a preset value, and the second threshold is set by operating the switch (25). , the first and second threshold values can be switched, and hot water is discharged from the spout (3) when the level of the reflected wave (17) exceeds the second threshold. Features an automatic faucet.
JP32173688A 1988-12-19 1988-12-19 Automatic faucet and control method of the faucet Expired - Lifetime JP2923957B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP32173688A JP2923957B2 (en) 1988-12-19 1988-12-19 Automatic faucet and control method of the faucet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32173688A JP2923957B2 (en) 1988-12-19 1988-12-19 Automatic faucet and control method of the faucet

Publications (2)

Publication Number Publication Date
JPH02164943A true JPH02164943A (en) 1990-06-25
JP2923957B2 JP2923957B2 (en) 1999-07-26

Family

ID=18135872

Family Applications (1)

Application Number Title Priority Date Filing Date
JP32173688A Expired - Lifetime JP2923957B2 (en) 1988-12-19 1988-12-19 Automatic faucet and control method of the faucet

Country Status (1)

Country Link
JP (1) JP2923957B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0473065U (en) * 1990-10-31 1992-06-26
JP2003095396A (en) * 2001-09-17 2003-04-03 Hoshizaki Electric Co Ltd Pressure adjusting control apparatus of beverage dispenser
JP2010164433A (en) * 2009-01-15 2010-07-29 Inax Corp Method for setting threshold level of sensor

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5588400B2 (en) * 2011-07-21 2014-09-10 パナソニック株式会社 Karan
JP5588401B2 (en) * 2011-07-21 2014-09-10 パナソニック株式会社 Detection device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0473065U (en) * 1990-10-31 1992-06-26
JP2003095396A (en) * 2001-09-17 2003-04-03 Hoshizaki Electric Co Ltd Pressure adjusting control apparatus of beverage dispenser
JP2010164433A (en) * 2009-01-15 2010-07-29 Inax Corp Method for setting threshold level of sensor

Also Published As

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JP2923957B2 (en) 1999-07-26

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