JPS6259334A - Bath boiler with bath room heater - Google Patents

Bath boiler with bath room heater

Info

Publication number
JPS6259334A
JPS6259334A JP60198887A JP19888785A JPS6259334A JP S6259334 A JPS6259334 A JP S6259334A JP 60198887 A JP60198887 A JP 60198887A JP 19888785 A JP19888785 A JP 19888785A JP S6259334 A JPS6259334 A JP S6259334A
Authority
JP
Japan
Prior art keywords
heat exchanger
water
bathtub
hot water
bathroom
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
JP60198887A
Other languages
Japanese (ja)
Inventor
Yasuo Kajikawa
梶川 泰生
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.)
Osaka Gas Co Ltd
Original Assignee
Osaka Gas Co 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 Osaka Gas Co Ltd filed Critical Osaka Gas Co Ltd
Priority to JP60198887A priority Critical patent/JPS6259334A/en
Publication of JPS6259334A publication Critical patent/JPS6259334A/en
Pending legal-status Critical Current

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  • Central Heating Systems (AREA)

Abstract

PURPOSE:To realize a comfortable bathing in a warm bath room in the winter season by providing in an exhaust cylinder a second heat exchanger for heating water for cleaning or water within a bathtub and a second burner for heating the same, and also providing in the bathroom a third heat exchanger for supplying hot water from the second heat exchanger to the bathtub or shower thereby to heat air within the bathroom. CONSTITUTION:At the time of using the bath in winter, a switching lever 38 is switched beforehand so that hot water flows from a second heat exchanger 13 to a third heat exchanger 26. After feeding a predetermined amount of water from a feed water tap 17 to a bathtub 3, a second ignition lever 37 is operated simultaneously with the manipulation of a first ignition lever 36 to burn a second burner 18. Further, a fan switch 39 is turned ON to rotate a fan 32. Then, hot water is supplied through a hot water supply pipe 28 to a third heat exchanger 26 where hot water is heat-exchanged with air sent by the fan 32 to generate a hot air flow.

Description

【発明の詳細な説明】 主1上匹机且分駈 この発明は一般家庭において、浴室内に設けられた浴槽
内の水を沸かすと同時に必要に応じ浴室内の暖房をも行
い得るようになした浴室暖房機付風呂釜に関するもので
ある。
[Detailed Description of the Invention] This invention enables a general household to boil water in a bathtub installed in a bathroom and at the same time heat the bathroom as needed. This relates to a bathtub with a bathroom heater.

盃」BJ支逝 一般家庭に設けられている風呂は、浴室に小 。Sakazuki” BJ branch died The bath provided in ordinary homes is small in the bathroom.

型の浴槽が設けられており、当該浴槽へ給湯栓から温水
を給湯したり、或いは浴槽へ供給した水を沸かして入浴
している。
A type of bathtub is provided, and hot water is supplied to the bathtub from a hot water tap, or the water supplied to the bathtub is boiled for bathing.

(′シよ°  る 通常浴室内の熱源は浴槽内に張られた湯だけであり、一
般家庭においては、浴槽が小さく、使用する湯量も少な
いので熱源が小さく、冬期では浴槽内に湯が供給されて
いても浴室内の温度は低く、入浴時に肌寒さを感じ不快
であり、湯冷めを生じ易いといった問題点があった。
(Normally, the only heat source in a bathroom is the hot water in the bathtub. In ordinary homes, the bathtub is small and the amount of hot water used is small, so the heat source is small, and in winter, hot water is supplied to the bathtub.) Even when bathing is done, the temperature inside the bathroom is low, and when taking a bath, one feels chilly and uncomfortable, and the water tends to get cold.

そこで、浴室内を暖房すればよいが、浴室内を暖房する
装置はなく、特別な暖房装置を浴室内に設けるか、或い
は大型の温風機にて浴室へ温風を供給せねばなら、ず、
大がかりとなり、浴室内のスペースが損なわれると共に
浴室は密室であり、且つ家庭の浴室は狭くて空気容量が
小さいため、室内の空気を燃焼に使用する暖房機の使用
は危険でありこれを避けた暖房機の設置はコスト高にな
るといった問題がある。
Therefore, it is possible to heat the bathroom, but there is no device to heat the bathroom, so a special heating device must be installed in the bathroom, or hot air must be supplied to the bathroom with a large hot air fan.
This is a large-scale project, takes up space in the bathroom, and the bathroom is a closed room, and home bathrooms are small and have small air capacity, so it is dangerous to use a heater that uses indoor air for combustion, so this was avoided. There is a problem in that installing a heater is expensive.

° るための この発明は、浴槽内の水を熱交換して沸かす自然循環式
外焚き釜と、前記外焚き釜の排気筒に装着され、上水或
いは浴槽内の水を加熱する第2の熱交換器と、前記排気
筒に近接配置され、第2の熱交換器を加熱する第2のバ
ーナと、浴室内に取付けられ、第2の熱交換器から温水
を受け取り、当該温水を浴槽或いはシャワーへ給湯する
第3の熱交換器と、第3の熱交換器へ浴室内の空気を吹
きつけて熱交換させて浴室を暖房するファンとで構成し
たものである。
This invention provides a natural circulation type external boiler that heats water in a bathtub to boil it, and a second boiler that is attached to the exhaust pipe of the external boiler and heats tap water or water in the bathtub. a heat exchanger; a second burner disposed close to the exhaust stack for heating the second heat exchanger; installed in the bathroom, receiving hot water from the second heat exchanger, and discharging the hot water into a bathtub or the like; It consists of a third heat exchanger that supplies hot water to the shower, and a fan that blows air in the bathroom to the third heat exchanger to exchange heat and heat the bathroom.

1里 この発明は浴槽内の水を外焚き釜で沸かすと同時に第2
の熱交換器へ上水道或いは浴槽から給水し、前記第2の
熱交換器を外焚き釜の排気及び第2のバーナにて加熱し
て温水を発生させ、当該温水を第3の熱交換器へ供給し
、浴室内でファンにて浴室内の空気を第3の熱交換器へ
供給して熱交換させ、ここで発生した温風を浴室内で循
環させて浴室を暖め、さらに第3の熱交換器から温水を
浴槽或いはシャワーへ給湯させるようになしたものであ
る。
1 Ri This invention boils the water in the bathtub with an external pot and at the same time boils the water in the bathtub.
Water is supplied to the heat exchanger from the tap water or the bathtub, the second heat exchanger is heated by the exhaust of the external boiler and the second burner to generate hot water, and the hot water is sent to the third heat exchanger. The air in the bathroom is supplied to a third heat exchanger using a fan in the bathroom for heat exchange, the hot air generated here is circulated in the bathroom to warm the bathroom, and then the air in the bathroom is heated by a third heat exchanger. Hot water is supplied from an exchanger to a bathtub or shower.

裏胤皿 図面は本発明の一実施例を示す概略説明図で、同図にお
いて、(1)は浴室、(2)は浴室(1)を構成する壁
、(3)は浴室(1)内に設置した浴槽である。(4)
は浴室(1)の外に設置した外焚き釜で、第1の熱交換
器(5)と第1のバーナ(6)、排気筒(7)とからな
成っている。前記第1の熱交換器(5)は例えば円環状
で中央部に多数のフィン(8)(8)−を有しており、
壁(2)を介して浴室(1)と対向配置され、壁(2)
を貫通して取付けられた給湯パイプ(10)及び給水パ
イプ(9)にて浴室(1)と連通させである。第1のバ
ーナ(6)は第1の熱交換器(5)の下方に配置され、
第1の熱交換器(5)を加熱する。排気筒(7)は熱伝
導性の良好な内筒(11)と断熱性の良好な外筒(12
)とよりなる2重管構造で、第1の熱交換器(5)上に
立設してあり、内筒(11)にて第1のバーナ(6)の
排気を行う。
The back plate drawing is a schematic explanatory diagram showing one embodiment of the present invention, in which (1) is a bathroom, (2) is a wall constituting the bathroom (1), and (3) is a wall inside the bathroom (1). This is a bathtub installed in (4)
is an external firing pot installed outside the bathroom (1), and consists of a first heat exchanger (5), a first burner (6), and an exhaust pipe (7). The first heat exchanger (5) is, for example, annular and has a large number of fins (8) (8) in the center,
Located opposite the bathroom (1) through the wall (2), the wall (2)
It is communicated with the bathroom (1) through a hot water supply pipe (10) and a water supply pipe (9) installed through the bathroom. The first burner (6) is arranged below the first heat exchanger (5),
Heating the first heat exchanger (5). The exhaust pipe (7) has an inner pipe (11) with good thermal conductivity and an outer pipe (12) with good heat insulation.
), it is installed upright on the first heat exchanger (5), and the first burner (6) is exhausted through the inner cylinder (11).

(13)は排気筒(7)の上部に設けた第2の熱交換器
で、長尺なパイプ材を排気筒(7)の内筒(11)の外
周面に巻装するか、上記のパイプ材を密に巻(等してそ
れ自身で内筒(11)を形成してあり、その入口管(1
4)を給水管(15)を介して上水道に接続し、且つ壁
(2)を貫通して取付けられた第2の給水管(16)の
一端を給水管(15)に接続し、前記第2の給水管(1
6)の他端を給水栓(17)を介して浴槽(3)上に配
置させである。従って上水道からの水は給水管(15)
及び第2給水管(16)を経て浴槽(3)へ給水される
と共に第2の熱交換器(13)へも。
(13) is a second heat exchanger installed at the top of the exhaust pipe (7), and a long pipe material is wrapped around the outer circumferential surface of the inner cylinder (11) of the exhaust pipe (7), or the above The pipe material is tightly wound to form an inner cylinder (11) by itself, and its inlet pipe (1
4) is connected to the water supply via the water supply pipe (15), and one end of a second water supply pipe (16) installed through the wall (2) is connected to the water supply pipe (15), and the water supply pipe (15) is connected to the water supply pipe (15). 2 water supply pipes (1
6) Place the other end on the bathtub (3) via the water tap (17). Therefore, water from the water supply pipe (15)
Water is supplied to the bathtub (3) via the second water supply pipe (16) and also to the second heat exchanger (13).

供給される。  (1B)は第2の熱交換器(13)を
加熱する第2のバーナで、排気筒(7)の上部周辺で、
且つ第2の熱交換器(13)の下方に設置し、そのバー
ナ先端(19)を外筒(12)内に挿入して内筒(11
)と外筒(12)との空間(20)内に環状に配置させ
、空間(20)内全周で燃焼させて第2の熱交換器(1
3)を加熱する。前記した第1のバーナ(6)と第2の
バーナ(1日)へはガス元栓(21)からガス管(22
)  (23)及び燃焼コントロールユニッI−(24
)  (25)を介してガスが供給される。(34)は
外筒(12)に形成された二次空気導入口で、開口面積
を可変できるダンパー機構(図示せず)を装着してあり
、第2のバーナ(1日)へ適当量の二次空気を供給する
。  (26)は浴室(1)内の壁(2)に取付けた第
3の熱交換器で、その入口管(27)は、壁(2)を貫
通して取付けられ、第2の熱交換器(13)の出口管に
接続された給湯管(28)に接続しである。また出口’
if (29)は給湯栓(30)を介して浴槽(3)上
に配置させ、且つ給湯栓(30)の上流にシャワーユニ
ッ) (31)を接続しである。従って第3の熱交換器
(26)内の温水は、浴槽(3)或いはシャワーユニッ
) (31)へ給湯される。浴室を暖房しない時に備え
て前記給湯栓(30)には第2の熱交換器(13)に接
続された給湯管(28)から直接温水を供給できるバイ
パス回路(図示せず)が接続されており、温水の経路を
切換えることにより第2の熱交換器(13)から第3の
熱交換器(26)を介するか或いは直接に給湯栓(30
)へ給湯できるようになっている。  (32)は第3
の熱交換器(26)の上方に配置したファンで、モータ
(33)にて回転させられて浴室(1)内の空気を第3
の熱交換器(26)へ吹き込み、ここで熱交換させて温
風を発生させ、当該温風を浴室(1)内に吹出させて浴
室(1)を暖房する。
Supplied. (1B) is a second burner that heats the second heat exchanger (13), around the top of the exhaust pipe (7),
In addition, it is installed below the second heat exchanger (13), and its burner tip (19) is inserted into the outer cylinder (12) to connect the inner cylinder (11).
) and the outer cylinder (12) in an annular manner in the space (20), and the second heat exchanger (1
3) Heat. A gas pipe (22) is connected to the first burner (6) and the second burner (1st) from the gas main cock (21).
) (23) and combustion control unit I-(24
) (25). (34) is a secondary air inlet formed in the outer cylinder (12), which is equipped with a damper mechanism (not shown) that can vary the opening area, and allows an appropriate amount of air to be supplied to the second burner (1 day). Supply secondary air. (26) is a third heat exchanger installed on the wall (2) in the bathroom (1), and its inlet pipe (27) is installed through the wall (2), and the second heat exchanger It is connected to the hot water supply pipe (28) which is connected to the outlet pipe of (13). Another exit'
if (29) is placed above the bathtub (3) via a hot water tap (30), and a shower unit (31) is connected upstream of the hot water tap (30). Therefore, the hot water in the third heat exchanger (26) is supplied to the bathtub (3) or shower unit (31). In preparation for times when the bathroom is not heated, the hot water tap (30) is connected to a bypass circuit (not shown) that can supply hot water directly from the hot water pipe (28) connected to the second heat exchanger (13). By switching the hot water route, the hot water can be supplied from the second heat exchanger (13) to the third heat exchanger (26) or directly to the hot water tap (30).
). (32) is the third
A fan placed above the heat exchanger (26) is rotated by a motor (33) and circulates the air in the bathroom (1) to a third fan.
The hot air is blown into the heat exchanger (26), where the heat is exchanged to generate warm air, and the hot air is blown into the bathroom (1) to heat the bathroom (1).

(35)は浴室(1)の壁(2)の適当個所に取付けた
操作盤で、第1のバーナ(6)の点火と消火を行う第1
点火レバー(36)及び第2のバーナ(1日)の点火と
消火を行う第2点火レバー(37) 、第2の熱交換器
(13)の温水の流出経路を切換える切換スイッチ(3
8) 、ファン(32)を回転させるファンスインチ(
39)等これ等の操作を集中的に操作ものを備えている
(35) is an operation panel attached to an appropriate location on the wall (2) of the bathroom (1), and is used to ignite and extinguish the first burner (6).
An ignition lever (36), a second ignition lever (37) for igniting and extinguishing the second burner (1st), and a changeover switch (3) for switching the outflow path of hot water from the second heat exchanger (13).
8), fan inch (32) that rotates the fan (32);
39) Equipped with a device that performs these operations intensively.

上記構造において、冬期の使用時には、第2の熱交換器
(13)から第3の熱交換器(26)へ温水が流れるよ
うに切換レバー(38)を切換えておき、給水栓(17
)から浴槽(3)へ所定量の水を供給し、この後操作盤
(35)に設けられた第1の点火レバー(36)を操作
して第1のバーナ(6)を燃焼させる。すると、第1の
バーナ(6)にて第1の熱交換器(5)を加熱して給水
バイブ(9)から導入された水を加熱し、発生した温水
を給湯バイブ(10)を介して浴槽(3)へ戻し、これ
を繰返して浴槽(3)内の水を沸かす、また第1の点火
レバー(36)の操作と同時に第2の点火レバー(37
)を操作して第2のバーナ(18)を燃焼させ、さらに
ファン ゛スイッチ(39)をONしてファン(32)
を回転させる。すると、第2の熱交換器(13)が第1
のバーナ(6)の排気にて排気筒(7)の内筒(11)
を介して加熱されると共に第2のバーナ(18)にて加
熱され、給水管(15)から供給される水を加熱して温
水を発生させ、当該温水を給湯管(28)を介して第3
の熱交換器(26)へ供給し、ここでファン(32)に
て送られてくる空気と熱交換させて温風を発生させ、発
生した温風を浴室(1)内に吹出させて浴室(1)内を
暖房する。そして第3の熱交換器(26)で使用された
温水は給湯栓(30)から浴槽(3)へ落とし込まれる
。このように浴槽(3)内の水を沸かすと同時に浴室(
1)内の暖房も行われる。また入浴時には給湯栓(30
)を閉じ、シャワーユニッ) (31)へ温水を供給さ
せればシャワーを使用できる。さらに浴槽(3)内の水
が十分に沸いた後、第1のバーナ(6)を消火させ、第
2のバーナ(18)を燃焼させることにより浴室(1)
の暖房や浴槽(3)への落とし込み給湯、或いはシャワ
ーユニット(31)への給湯も行える。
In the above structure, when used in winter, the switching lever (38) is switched so that hot water flows from the second heat exchanger (13) to the third heat exchanger (26), and the water tap (17)
) to the bathtub (3), and then the first ignition lever (36) provided on the operation panel (35) is operated to ignite the first burner (6). Then, the first heat exchanger (5) is heated by the first burner (6) to heat the water introduced from the water supply vibrator (9), and the generated hot water is passed through the hot water supply vibrator (10). Return the water to the bathtub (3) and repeat this process to boil the water in the bathtub (3).
) to burn the second burner (18), and then turn on the fan switch (39) to turn on the fan (32).
Rotate. Then, the second heat exchanger (13)
The inner cylinder (11) of the exhaust pipe (7) is discharged from the burner (6).
At the same time, the water is heated by the second burner (18), and the water supplied from the water supply pipe (15) is heated to generate hot water, and the hot water is passed through the water supply pipe (28) to the 3
The air is supplied to the heat exchanger (26), where it exchanges heat with the air sent by the fan (32) to generate warm air, and the generated warm air is blown into the bathroom (1) to cool the bathroom. (1) Heat the interior. The hot water used in the third heat exchanger (26) is then dropped into the bathtub (3) from the hot water tap (30). In this way, the water in the bathtub (3) is boiled at the same time as the water in the bathtub (3).
1) Internal heating is also performed. Also, when taking a bath, the hot water tap (30
) and then supply hot water to shower unit ) (31) to use the shower. Furthermore, after the water in the bathtub (3) has sufficiently boiled, the first burner (6) is extinguished and the second burner (18) is burned.
It is also possible to heat the room, supply hot water to the bathtub (3), or supply hot water to the shower unit (31).

また夏期の使用時には切換スイッチ(38)にて第2の
熱交換器(13)からバイパス回路を介して給湯栓(3
0)へ温水を流すようになし、ファン(32)を停止さ
せれば、浴室(1)内の暖房を行うことなく浴槽(3)
への落とし込み給湯やシャワーユニット(31)への給
湯を行わせることができる。
In addition, during summer use, the changeover switch (38) connects the hot water tap (3) from the second heat exchanger (13) via the bypass circuit.
0) and stop the fan (32), the bathtub (3) can be heated without heating the bathroom (1).
It is possible to supply hot water to the shower unit (31) or to the shower unit (31).

また第2の熱交換器(13)へは上水道から給水するよ
うにしているが、ポンプを用いて浴槽(3)内の水を供
給するようにしてもよい。
Further, although water is supplied to the second heat exchanger (13) from the water supply, a pump may be used to supply water in the bathtub (3).

尚第2の実施例を第2図に示す如く第2のバニナとして
赤外線バーナを使用したものについて説明する。ブンゼ
ン式燃焼の赤外線バーナは全−次空気式バーナであるた
め、この型式の風呂釜の排気ガス中では充分燃焼するも
のであるから排気筒(12’ )の中央部分に第2の熱
交換器(18)を立設しその周辺をがζ外線バーナ(1
9’ )で赤外線が上記第2の熱交換器(13)を加熱
する形状に取り囲み排気筒(12”)を形成すれば、第
1の熱交換器(5)を加熱して上昇して来た排気ガスの
温度を下げることなく加温し得るので第2の熱交換器(
,13”)の効率のよい加熱が出来て一段と有利である
A second embodiment will be described in which an infrared burner is used as the second burner as shown in FIG. Since the Bunsen combustion infrared burner is an all-air burner, it burns well in the exhaust gas of this type of bathtub, so a second heat exchanger is installed in the center of the exhaust stack (12'). (18) is erected and its surrounding area is the ζ external wire burner (1).
9'), the infrared rays surround the second heat exchanger (13) to form an exhaust pipe (12''), then the infrared rays heat the first heat exchanger (5) and rise. The second heat exchanger (
, 13''), which is even more advantageous.

血里皇効l この発明は、浴槽内の水の沸上げと同時に浴室の暖房を
も行えるので、冬期の入浴時に、浴室が温かく快適な入
浴ができると共に入槽まで急激な温度変化の影響を受け
ないので老人や病人に対しても安全な入浴を行わせるこ
とができる。
This invention can heat the bathroom at the same time as boiling the water in the bathtub, so when taking a bath in the winter, you can enjoy a warm and comfortable bath while also being protected from the effects of sudden temperature changes until you enter the bathtub. Since the bath does not require bathing, even the elderly and sick can bathe safely.

また暖房に供した温水を浴槽やシャワーへ給湯させるの
で、上り湯が容易に得られ非常に便利である。
Furthermore, since the hot water used for heating is supplied to the bathtub or shower, hot water can be easily obtained, which is extremely convenient.

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

第1図は本発明に係る風呂釜の第1実施例を示す概略説
明図、第2図は同じく第2実施例の概略説明図である。 (1)・・−浴室、(3)−・浴槽、(4’) −外焚
き釜、(7)−・排気筒、(13)〜・第2の熱交換器
、(1B)−第2のバーナ、(26) −第3の熱交換
器、(30)−・−給湯栓、(31)・−・−シャワー
ユニット。
FIG. 1 is a schematic explanatory diagram showing a first embodiment of a bathtub according to the present invention, and FIG. 2 is a schematic explanatory diagram of the second embodiment. (1) - Bathroom, (3) - Bathtub, (4') - Outdoor boiler, (7) - Exhaust pipe, (13) - Second heat exchanger, (1B) - Second burner, (26) - third heat exchanger, (30) - hot water tap, (31) - shower unit.

Claims (1)

【特許請求の範囲】[Claims] (1)浴槽内の水を熱交換して沸かす自然循環式外焚き
釜と、前記外焚き釜の排気筒に装着され、上水或いは浴
槽内の水を加熱する第2の熱交換器と、排気筒に近接配
置され、第2の熱交換器を加熱する第2バーナと、浴室
内に取付けられ、第2の熱交換器から温水を受け取り、
当該温水を浴槽或いはシャワーへ給湯する第3の熱交換
器と、第3の熱交換器へ浴室内の空気を吹きつけて熱交
換させて浴室を暖房するファンとを具備してなる浴室暖
房機付風呂釜。
(1) a natural circulation type external heating pot that heat exchanges and boils the water in the bathtub; a second heat exchanger that is attached to the exhaust pipe of the external heating pot and heats the tap water or the water in the bathtub; a second burner disposed close to the exhaust stack to heat the second heat exchanger; and a second burner disposed in the bathroom to receive hot water from the second heat exchanger;
A bathroom heater comprising a third heat exchanger that supplies the hot water to a bathtub or shower, and a fan that blows air in the bathroom to the third heat exchanger to exchange heat and heat the bathroom. Attached bath pot.
JP60198887A 1985-09-09 1985-09-09 Bath boiler with bath room heater Pending JPS6259334A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60198887A JPS6259334A (en) 1985-09-09 1985-09-09 Bath boiler with bath room heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60198887A JPS6259334A (en) 1985-09-09 1985-09-09 Bath boiler with bath room heater

Publications (1)

Publication Number Publication Date
JPS6259334A true JPS6259334A (en) 1987-03-16

Family

ID=16398582

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60198887A Pending JPS6259334A (en) 1985-09-09 1985-09-09 Bath boiler with bath room heater

Country Status (1)

Country Link
JP (1) JPS6259334A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5239626A (en) * 1988-03-25 1993-08-24 Mitsubishi Denki Kabushiki Kaisha Display and drawing control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5239626A (en) * 1988-03-25 1993-08-24 Mitsubishi Denki Kabushiki Kaisha Display and drawing control system

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