JPS63155579A - Electric blanket - Google Patents
Electric blanketInfo
- Publication number
- JPS63155579A JPS63155579A JP30417986A JP30417986A JPS63155579A JP S63155579 A JPS63155579 A JP S63155579A JP 30417986 A JP30417986 A JP 30417986A JP 30417986 A JP30417986 A JP 30417986A JP S63155579 A JPS63155579 A JP S63155579A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- function
- electric heater
- section
- electric
- 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
Links
- 230000036760 body temperature Effects 0.000 claims description 20
- 230000027288 circadian rhythm Effects 0.000 claims description 15
- 230000033764 rhythmic process Effects 0.000 claims description 15
- 238000004364 calculation method Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 6
- 230000002123 temporal effect Effects 0.000 claims description 4
- 238000012885 constant function Methods 0.000 claims 1
- 230000020169 heat generation Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 10
- 230000035900 sweating Effects 0.000 description 3
- 230000002618 waking effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000001932 seasonal effect Effects 0.000 description 2
- 206010013789 Dry throat Diseases 0.000 description 1
- 241000282412 Homo Species 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
Landscapes
- Control Of Resistance Heating (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】 産業上の利用分野 本発明は電気毛布に関する。[Detailed description of the invention] Industrial applications The present invention relates to an electric blanket.
従来の技術
従来のこの種の電気毛布は、第８図に示すように、電気
ヒータ１を配設した毛布本体８と、電気ヒータの発熱パ
ターンを設定する設定部９と、設定された発熱パターン
を記憶する記憶部１０と、マイクロコンピュータを用い
て記憶された発熱パターンに基づいて電気ヒータの発熱
を制御する制御手段１１とを設けていた（特開昭５５−
１２６９８７号公報）。2. Description of the Related Art As shown in FIG. 8, a conventional electric blanket of this type includes a blanket body 8 in which an electric heater 1 is disposed, a setting section 9 for setting a heat generation pattern of the electric heater, and a heat generation pattern that has been set. The device was equipped with a storage unit 10 for storing the heat generation pattern, and a control means 11 for controlling the heat generation of the electric heater based on the heat generation pattern stored using a microcomputer.
126987).
この構成によれば、使用者が設定部９で発熱パターンを
設定するとその発熱パターンに基づいて電気ヒータ１へ
の通電が制御されるという作用を有していた。According to this configuration, when the user sets a heat generation pattern using the setting section 9, the energization to the electric heater 1 is controlled based on the heat generation pattern.
発明が解決しようとする問題点
しかしながら上述したような方式では、以下のような問
題点があった。すなわち、使用者自身が発熱パターンの
設定を行なうため、誤った設定を行なって睡眠が乱され
て快適な睡眠が得られない場合が多く、そのため使用者
は試行錯誤して最適な発熱パターンを見つけなければな
らないといった問題点を有していた。また、人間には各
種の生理特性量に関するリズムがあり、その代表的なも
のとして、体温のリズムがあり、一般的に知られるもの
としては、午後４時頃に最高温度に達し午前４時頃に最
低温度になるといった種口リズム、女性の基礎体温に見
られる概月リズム、季節変動に見られる概月リズム等が
存在する。これに対し、睡眠中は寝床内温度を一定に保
てば良いといった考え方で電気毛布の発熱パターンの設
定を行なうのが一般的であり、前記従来例においても種
々のパターンの設定が可能であるが、実際には予熱時や
入床時・起床時を除けば睡眠中は寝床内温度を一定に保
つように設定を行なう場合がほとんどであり、そのため
、睡眠後半になって本来体温が下がっていなければなら
ない時期であるにもかかわらず寝床内が一定温度に維持
されるためうつ熱や発汗が生起して睡眠が乱されたり、
起床時に喉が乾くといった問題が生じていた。Problems to be Solved by the Invention However, the above-mentioned system has the following problems. In other words, since users themselves set the heat generation pattern, there are many cases where incorrect settings disrupt sleep and make it impossible to get a comfortable night's sleep.Therefore, users must find the optimal heat generation pattern through trial and error. There was a problem that it had to be done. In addition, humans have rhythms related to various physiological characteristics, and a representative example is the rhythm of body temperature, which is generally known to reach its maximum temperature around 4 p.m. and around 4 a.m. There are various rhythms such as the oral rhythm, which shows the lowest temperature in the winter, the circadian rhythm seen in women's basal body temperature, and the circadian rhythm seen in seasonal fluctuations. On the other hand, it is common to set the heat generation pattern of electric blankets based on the idea that the temperature inside the bed should be kept constant during sleep, and even in the conventional example described above, various patterns can be set. However, in reality, in most cases, settings are made to keep the temperature inside the bed constant during sleep, except for when preheating, going to bed, and waking up. Despite the fact that the bed is kept at a constant temperature during this period, sleep may be disrupted due to fever and sweating.
I was having problems with my throat being dry when I woke up.
そこで本発明はかかる従来の問題点を解決し、人間が本
来持っている体温のリズムに基づいて電気ヒータへの通
電量を自動的に決定して通電することを目的とする。SUMMARY OF THE INVENTION An object of the present invention is to solve these conventional problems and automatically determine the amount of current to be applied to an electric heater based on the rhythm of human body temperature.
問題点を解決するための手段
この目的を達成するために本発明は、電気ヒータおよび
前記電気ヒータの温度を検知する温度検知手段が配設さ
れた毛布本体と、タイマーと、人間の生理特性量の時間
的変化を近似する関数を発生する関数発生部と、前記タ
イマーからの信号と前記関数発生部からの信号とから前
記電気ヒータの設定温度を演算する演算部と、前記温度
検知手段からの信号と前記演算部からの信号とにより前
記電気ヒータへの通電を制御する制御手段とを設けたも
のである。Means for Solving the Problems In order to achieve this object, the present invention provides a blanket body provided with an electric heater and a temperature detection means for detecting the temperature of the electric heater, a timer, and a human physiological characteristic quantity. a function generator that generates a function that approximates a temporal change in the electric heater; a calculation unit that calculates a set temperature of the electric heater from the signal from the timer and the signal from the function generator; A control means for controlling energization to the electric heater based on the signal and the signal from the calculation section is provided.
作 用
上記構成において本発明の電気毛布は、関数発生部から
発生する関数を用いて時々刻々電気ヒータの設定温度を
演算してその演算値に基づいて電気ヒータへの通電を制
御するという作用を有する。Function In the above configuration, the electric blanket of the present invention has the function of calculating the set temperature of the electric heater from time to time using the function generated from the function generating section and controlling the energization to the electric heater based on the calculated value. have
実施例 以下、本発明の実施例を添付図面に基づいて説明する。Example Embodiments of the present invention will be described below with reference to the accompanying drawings.
第１図は、本発明の第１の実施例における電気毛布のブ
ロック図である。同図において、３は電気ヒータ１と電
気ヒータ１の温度を検知する温度検知手段２が配設され
た毛布本体である。FIG. 1 is a block diagram of an electric blanket in a first embodiment of the present invention. In the figure, 3 is a blanket body on which an electric heater 1 and a temperature detection means 2 for detecting the temperature of the electric heater 1 are disposed.
４はタイマー、５は例えば（１）式に示すような人間の
体温Ｔの種口リズムを近似する余弦関数を発生する関数
発生部で、ここで、Ｍ、Ａ、ωおよびψばあらかじめ定
められた定数である。第２図に体温の種口リズムの例を
示す。4 is a timer, and 5 is a function generator that generates a cosine function that approximates the starting rhythm of human body temperature T as shown in equation (1), where M, A, ω, and ψ are predetermined values. is a constant. Figure 2 shows an example of the temperature rhythm.
Ｔ ＝ Ｍ ＋ Ａ ｃ ｏ ｓ （ωｔ＋ψ）・・・
・・・・・・・・・・・・（１）６はタイマー４から時
刻ｔが入力されると関数（１）式を用いて電気ヒータ１
の設定温度を演算する演算部、７は温度検知手段２から
の信号と演算部６からの信号により電気ヒータ１への通
電を制御する制御手段である。T = M + A cos (ωt+ψ)...
・・・・・・・・・・・・(1) 6 is the electric heater 1 using the function (1) when time t is input from the timer 4.
A calculation section 7 for calculating the set temperature is a control means for controlling energization to the electric heater 1 based on a signal from the temperature detection means 2 and a signal from the calculation section 6.
上記構成において、演算部６にタイマー４から時刻ｔが
入力されると、関数（１）式を用いて演ｎ値Ｔが演算さ
れ、次に？）式から電気ヒータ１の設定温度Ｔ′が演算
される。ここで、△Ｔ１はあらかじめ定められた定数で
ある。In the above configuration, when the time t is input from the timer 4 to the calculation unit 6, the performance n value T is calculated using the function (1), and then ? ) The set temperature T' of the electric heater 1 is calculated from the equation. Here, ΔT1 is a predetermined constant.
Ｔ’＝Ｔ＋△Ｔ１・・・・・・・・・・・・・・・（２
）このようにして求めた設定温度Ｔ′を用い°Ｃ制御手
段では、第３図の動作図に示すように、温度設定手段２
で検知された電気ヒータ１の温度が設定温度Ｔ′になる
ように電気ヒータ１への通電が制御される。T'=T+△T1・・・・・・・・・・・・・・・(2
) Using the set temperature T' obtained in this way, the °C control means sets the temperature setting means 2 as shown in the operation diagram of FIG.
The energization of the electric heater 1 is controlled so that the temperature of the electric heater 1 detected at is equal to the set temperature T'.
上記作用により、体温の種口リズムに基づいて自動的に
設定温度が決定されて電気ヒータへの通電が制御される
ので、従来のように、使用者自身が試行錯誤して最適な
発熱パターンを見つけなければならないといった問題が
なく、さらに、睡眠後半になって本来体温が下がってい
なければならない時期であるにもかかわらず、従来のよ
うに寝床内が一定温度に維持されるためうつ熱や発汗が
生起して睡眠が乱されたり起床時に喉が乾くといった問
題もないため、使用者は快適な睡眠を享受することがで
きる。As a result of the above action, the set temperature is automatically determined based on the body rhythm of body temperature and the power supply to the electric heater is controlled, so the user himself or herself can find the optimal heat generation pattern by trial and error, unlike in the past. There is no problem of having to find it, and in addition, even though the body temperature is supposed to drop in the latter half of sleep, the temperature inside the bed is maintained at a constant temperature like in the past, so there is no problem of depression and sweating. The user can enjoy a comfortable sleep because there is no problem of disturbed sleep or dry throat when waking up.
次に、本発明の第２の実施例を第４図に基づいて述べる
。本実施例が前記実施例と相違する点は関数発生部５が
、体温の種口リズムを近似する関数ｆ１と例えば女性の
基礎体温のような体温の概月リズムを近似する関数ｆ２
の双方を発生することにある。第４図に体温の種口リズ
ムの例を示す。Next, a second embodiment of the present invention will be described based on FIG. The difference between this embodiment and the previous embodiment is that the function generating unit 5 has a function f1 that approximates the circadian rhythm of body temperature and a function f2 that approximates the circadian rhythm of body temperature, such as the female basal body temperature.
The goal is to generate both. Figure 4 shows an example of the temperature rhythm.
この構成により、演算部６で（３）式に基づいて電気ヒ
ータ１の設定温度Ｔ′が演算され、制御手段７で電気ヒ
ータ１の温度が設定温度Ｔ′になるよう電気ヒータ１へ
の通電が制御される。ここで、△Ｔ２はあらかじめ定め
られた定数である。With this configuration, the calculation unit 6 calculates the set temperature T' of the electric heater 1 based on equation (3), and the control means 7 turns on electricity to the electric heater 1 so that the temperature of the electric heater 1 becomes the set temperature T'. is controlled. Here, ΔT2 is a predetermined constant.
Ｔ’＝ｆ１＋ｆ２＋△Ｔ２・・・・・団・・・・・・・
（３）これにより、体温の種口リズムと概月すズムヲ考
慮しＣいるので、より快適な電気毛布の制御が可能とな
る。T'=f1+f2+△T2... Group...
(3) This allows for more comfortable control of the electric blanket since the temperature rhythm and circadian rhythm are taken into consideration.
次に、本発明の第３の実施例を第５図に基づいて述べる
。本実施例が前記実施例と相違する点は関数発生部５が
、体温の種口リズムを近似する関数ｆ１と例えば女性の
基礎体温のような体温の概月リズムを近似する関数ｆ２
と体温の季節変動のような機部リズムを近似する関数ｆ
３それぞれを発生することにある。第５図に体温の機部
リズムの例を示す。この構成により、演算部６で（４式
に基づいて電気ヒータ１の設定温度Ｔ′が演算され、制
御手段７で電気ヒータ１の温度が設定温度Ｔ′になるよ
う電気ヒータ１への通電が制御される。ここで、ΔＴ３
はあらかじめ定められた定数である。Next, a third embodiment of the present invention will be described based on FIG. The difference between this embodiment and the previous embodiment is that the function generating unit 5 has a function f1 that approximates the circadian rhythm of body temperature and a function f2 that approximates the circadian rhythm of body temperature, such as the female basal body temperature.
and a function f that approximates machine rhythms such as seasonal fluctuations in body temperature.
The goal is to generate each of the three. Figure 5 shows an example of body temperature rhythm. With this configuration, the calculation section 6 calculates the set temperature T' of the electric heater 1 based on the formula (4), and the control means 7 turns on electricity to the electric heater 1 so that the temperature of the electric heater 1 becomes the set temperature T'. controlled, where ΔT3
is a predetermined constant.
Ｔ’＝ｆｌ＋ｆ２＋ｆ３＋△Ｔ３・・・・旧用用・・（
４これにより、体温の種口リズムと概月リズムと機部リ
ズムを考慮しているので、さらに快適な電気毛布の制御
が可能となる。T'=fl+f2+f3+△T3...For old use...(
4. This allows for even more comfortable control of the electric blanket, since the body rhythm, circadian rhythm, and body rhythm of body temperature are taken into consideration.
次に、本発明の第４の実施例を第６図および第７図に基
づいて述べる。本実施例が前記実施例と相違する点は、
第６図に示すように、関数発生部５が、年齢・性別・身
長および体重等の個人的な特性量のいずれかひとつまた
は複数を入力することが可能な入力部５ａと、入力部５
ａからの信号により関数を構成する定数値を変更する変
更部５ｂを有することにある。特性量として例えば年齢
、関数とし・Ｃ（１）式を発生する構成を考えると、こ
の構成により、入力部５ａに年齢が入力される゛と変更
部５ｂで（１）式の定数値例えばＭが第７図の関係によ
りＭに変更され、次に演算部６で（５）式に基づいてＴ
が演算され、次に、（２式から電気ヒータ１の設定温度
Ｔ′が演算され、制御手段７で電気ヒータ１の温度が設
定温度Ｔ′になるよう電気ヒータ１への通電が制御され
る。Next, a fourth embodiment of the present invention will be described based on FIGS. 6 and 7. The difference between this example and the previous example is as follows:
As shown in FIG. 6, the function generating section 5 includes an input section 5a into which one or more of personal characteristic quantities such as age, sex, height, and weight can be input;
The present invention has a changing unit 5b that changes the constant values forming the function based on the signal from a. Considering a configuration in which the characteristic quantity is age, for example, as a function, and formula C(1) is generated, with this configuration, the age is input to the input section 5a, and the constant value of formula (1), for example, M is changed to M according to the relationship shown in FIG.
is calculated, and then the set temperature T' of the electric heater 1 is calculated from equation (2), and the control means 7 controls the energization to the electric heater 1 so that the temperature of the electric heater 1 becomes the set temperature T'. .
Ｔ ＝ Ｍ ＋ Ａ ｃ ｏ ｓ （ωｔ＋φ）・・・
・・・・・・・・・・・・（５）これにより、個人的な
特性量により関数を補正して設定温度を演算するので、
個人に応じたきめこまかい電気毛布の制御が可能となる
。T = M + A cos (ωt+φ)...
・・・・・・・・・・・・(5) As a result, the set temperature is calculated by correcting the function based on the personal characteristic quantity,
It becomes possible to precisely control electric blankets according to the individual.
発明の効果
以上のように本発明の電気毛布によれば、次の効果が得
られる。Effects of the Invention As described above, the electric blanket of the present invention provides the following effects.
（１）人間の生理特性量の時間的変化を近似する関数に
基づいて自動的に設定温度が決定されて電気ヒータへの
通電が制御されるので、従来のように、使用者自身が試
行錯誤して最適な発熱パターンを見つけなければならな
いといった問題がない。(1) The set temperature is automatically determined based on a function that approximates the temporal change in human physiological characteristics, and the power supply to the electric heater is controlled, so the user can do it by trial and error, unlike in the past. There is no problem of having to find the optimal heat generation pattern.
（２）従来は睡眠中に寝床内を一定温度に維持するよう
発熱パターンを設定していたので、睡眠後半になって本
来体温が下がっていなければならない時期であるにもか
かわらず、寝床内が一定温度に維持されるためうつ熱や
発汗が生起して睡眠が乱されたり起床時に喉が乾くとい
った問題があったが、本発明によれば、人間の生理特性
量の時間的変化を近似する関数に基づいて自動的に設定
温度が決定されて電気ヒータへの通電が制御されるので
、そのような問題もなく使用者は快適な睡眠を享受する
ことができる。(2) Conventionally, the heat generation pattern was set to maintain a constant temperature inside the bed during sleep, so even though the temperature in the bed should be lower in the latter half of sleep, the temperature inside the bed remains constant. Since the temperature is maintained at a constant level, there have been problems such as depression and sweating, disrupting sleep and drying the throat upon waking up.However, according to the present invention, it is possible to approximate temporal changes in human physiological characteristics. Since the set temperature is automatically determined based on the function and the power supply to the electric heater is controlled, the user can enjoy a comfortable sleep without such problems.
第１図は本発明の一実施例における電気毛布の・・・毛
布本体、４・・・・・・タイマー、５・・・・・・記憶
部、５．！１・・・・・・入力部、５ｂ・・・・・・変
更部、６・・・・・・演算部、７・・・・・・制御手段
、８・・・・・・制御手段、９・・・・・・設定部、１
０・・・・・・記憶部、１１・・・・・・制御手段。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名第２
図
層別
第３図
第４図
第６図
第８図
手続補正書（杖）
昭和６２年４ 月 ２０
２発明の名称
電気毛布
３捕正をする者
事ｆ’ｌとの関ＣＬ 特 許 出
願 人住 所 大阪府門真市太字門真１００
６番地名 称 （５８２）松下電器産業株式会社代表者
谷 井 昭 雄
４代理人 〒５７１
住 所 大阪府門真市太字門真１００６番地松下電器
産業株式会社内
ブロック図、第２図は同電気毛布の動作図、第３図は従
来の電気毛布のブロック図、第４図は体温の概月リズム
を示す図、第５図は体温の概年リズムを示す図、第６図
は同関数発生部の説明図、第７図は年令と設定温度をき
める定数の関係図、第８図は従来例の説明図である。
１・・・・・・電気ヒータ、２・・・・・・温度検知手
段、３・・・・・・毛布本体、４・・・・・・タイマー
、５・・・・・・記憶部、６ａ・・・・・・入力部、６
ｂ・・・・・・変更部、６・・・・・・演算部、７・・
・・・・制御手段、８・・・・・・制御手段、９・・・
・・・設定部、１０・・・・・・記憶部、１１・・・・
・・制御手段。FIG. 1 shows an electric blanket according to an embodiment of the present invention: blanket body, 4: timer, 5: storage section, 5. ! 1... Input section, 5b... Changing section, 6... Calculating section, 7... Control means, 8... Control means, 9...Setting section, 1
0...Storage unit, 11...Control means. Name of agent: Patent attorney Toshio Nakao and 1 other person 2nd
Figure Layered Figure 3 Figure 4 Figure 6 Figure 8 Procedural Amendment (Cane) April 1986 20 2 Name of Invention Electric Blanket 3 CL Related to Persons Who Arrest f'l Patent Granted Request Address: 100 Kadoma, Kadoma City, Osaka Prefecture
6 Address Name (582) Matsushita Electric Industrial Co., Ltd. Representative Akio Tanii 4 Agent 571 Address Bold Kadoma 1006, Kadoma City, Osaka Prefecture Block diagram of Matsushita Electric Industrial Co., Ltd. Figure 2 shows the electric blanket Figure 3 is a block diagram of a conventional electric blanket, Figure 4 is a diagram showing the circadian rhythm of body temperature, Figure 5 is a diagram showing the circadian rhythm of body temperature, and Figure 6 is a diagram of the function generating part. An explanatory diagram, FIG. 7 is a diagram showing the relationship between age and a constant determining the set temperature, and FIG. 8 is an explanatory diagram of a conventional example. 1...Electric heater, 2...Temperature detection means, 3...Blanket body, 4...Timer, 5...Storage unit, 6a...Input section, 6
b...Change section, 6...Calculation section, 7...
... Control means, 8 ... Control means, 9 ...
...Setting section, 10...Storage section, 11...
...control means.
Claims (5)
る温度検知手段が配設された毛布本体と、タイマーと、
人間の生理特性量の時間的変化を近似する関数を発生す
る関数発生部と、前記タイマーからの信号と前記関数発
生部からの信号とから前記電気ヒータの設定温度を演算
する演算部と、前記温度検知手段からの信号と前記演算
部からの信号とにより前記電気ヒータへの通電を制御す
る制御手段からなる電気毛布。(1) A blanket body provided with an electric heater and a temperature detection means for detecting the temperature of the electric heater, and a timer;
a function generating section that generates a function that approximates a temporal change in a human physiological characteristic quantity; a calculating section that calculates a set temperature of the electric heater from a signal from the timer and a signal from the function generating section; An electric blanket comprising a control means for controlling energization of the electric heater based on a signal from a temperature detection means and a signal from the calculation section.
る関数を発生する特許請求の範囲第１項記載の電気毛布
。(2) The electric blanket according to claim 1, wherein the function generating section generates a function that approximates the circadian rhythm of human body temperature.
ズムそれぞれを近似する関数を発生する特許請求の範囲
第１項記載の電気毛布。(3) The electric blanket according to claim 1, wherein the function generating section generates functions that approximate each of the circadian rhythm and the lunar rhythm of human body temperature.
ズムおよび概年リズムそれぞれを近似する関数を発生す
る特許請求の範囲第１項記載の電気毛布。(4) The electric blanket according to claim 1, wherein the function generating section generates functions that approximate each of the circadian rhythm, circadian rhythm, and circadian rhythm of human body temperature.
個人的な特性量のいずれかひとつまたは複数を入力する
ことが可能な入力部と前記入力部からの信号により関数
を構成する定数値を変更する変更部をもつ特許請求の範
囲第１項、第２項、第３項または第４項記載の電気毛布
。(5) The function generation section includes an input section into which any one or more of personal characteristic quantities such as age, sex, height, and weight can be inputted, and a constant function generating section that configures a function using signals from the input section. An electric blanket according to claim 1, 2, 3, or 4, which has a changing part that changes a numerical value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30417986A JPH0752667B2 (en) | 1986-12-19 | 1986-12-19 | electric blanket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30417986A JPH0752667B2 (en) | 1986-12-19 | 1986-12-19 | electric blanket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63155579A true JPS63155579A (en) | 1988-06-28 |
| JPH0752667B2 JPH0752667B2 (en) | 1995-06-05 |
Family
ID=17929987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30417986A Expired - Lifetime JPH0752667B2 (en) | 1986-12-19 | 1986-12-19 | electric blanket |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0752667B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0250711A (en) * | 1988-08-12 | 1990-02-20 | Sanyo Electric Co Ltd | Electric heater for sleep |
-
1986
- 1986-12-19 JP JP30417986A patent/JPH0752667B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0250711A (en) * | 1988-08-12 | 1990-02-20 | Sanyo Electric Co Ltd | Electric heater for sleep |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0752667B2 (en) | 1995-06-05 |
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