JPH03237957A - Vacuum cleaner - Google Patents
Vacuum cleanerInfo
- Publication number
- JPH03237957A JPH03237957A JP3516290A JP3516290A JPH03237957A JP H03237957 A JPH03237957 A JP H03237957A JP 3516290 A JP3516290 A JP 3516290A JP 3516290 A JP3516290 A JP 3516290A JP H03237957 A JPH03237957 A JP H03237957A
- Authority
- JP
- Japan
- Prior art keywords
- output
- sensor
- dust
- cleaning
- dust sensor
- 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
- 239000000428 dust Substances 0.000 claims abstract description 53
- 230000002457 bidirectional effect Effects 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 description 36
- 238000010586 diagram Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Filters For Electric Vacuum Cleaners (AREA)
- Electric Vacuum Cleaner (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、手元操作部の動きを検出する状態センサと塵
埃センサの出力により電動送風機の回転数を制御する電
気掃除機に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a vacuum cleaner that controls the rotational speed of an electric blower based on the outputs of a state sensor and a dust sensor that detect the movement of a hand-held operating unit.
従来の技術
近年、じゅうたんなどの掃除対象の多様化に伴い、電動
送風機の回転数を必要に応じて可変できるものが増える
傾向にある。また、各種センサを搭載し、その信号に応
じて回転数を制御する電気掃除機もある。BACKGROUND OF THE INVENTION In recent years, with the diversification of objects to be cleaned such as carpets, there has been an increase in the number of electric blowers whose rotational speed can be varied as needed. There are also vacuum cleaners that are equipped with various sensors and control the rotation speed according to the signals from the sensors.
従来、この種の電気掃除機は第５図および第６図に示す
構成が一般的であった。以下、その構成について説明す
る。Conventionally, this type of vacuum cleaner has generally had the configuration shown in FIGS. 5 and 6. The configuration will be explained below.
図に示すように、掃除機本体ｌにはホース２を接続し、
ホース２の先端に手元操作部３を設け、さらに床用吸込
具４を設けている。掃除機本体１に設けた電動送風機５
と第１の双方向性サイリスタ６が直列に接続されて交流
電源に接続されており、第１の双方向性サイリスタ６の
ゲートには抵抗７を介して第２の双方向性サイリスタ８
が接続されており、第２の双方向性サイリスタ８のゲー
トと交流電源の片側間にはトリガ素子９および電流制限
抵抗１０．１１を介してホース２の先端の手元操作部３
に設置されているスイッチ１２とスライド抵抗器１３に
接続されている。また、トリガ素子９と第２の双方向性
サイリスタ８のＴ１端子間には、コンデンサ１４が接続
されている。As shown in the figure, connect the hose 2 to the vacuum cleaner body l,
A hand operation part 3 is provided at the tip of the hose 2, and a floor suction tool 4 is further provided. Electric blower 5 provided in the vacuum cleaner body 1
and a first bidirectional thyristor 6 are connected in series and connected to an AC power supply, and a second bidirectional thyristor 8 is connected to the gate of the first bidirectional thyristor 6 via a resistor 7.
is connected between the gate of the second bidirectional thyristor 8 and one side of the AC power source via a trigger element 9 and a current limiting resistor 10.11.
It is connected to a switch 12 and a slide resistor 13 installed in the switch 12 and the slide resistor 13, respectively. Further, a capacitor 14 is connected between the trigger element 9 and the T1 terminal of the second bidirectional thyristor 8.
上記構成から明らかなように、手元操作部３のスライド
抵抗器１３の値を変化させると、コンデンサ１４への充
電時間が変化し、トリガ素子９のトリガタイミングが変
化し、電動送風機５の電力が制御されて回転数がコント
ロールされる。As is clear from the above configuration, when the value of the slide resistor 13 of the hand-held operation unit 3 is changed, the charging time for the capacitor 14 changes, the trigger timing of the trigger element 9 changes, and the electric power of the electric blower 5 changes. The rotation speed is controlled.
発明が解決しようとする課題
このような従来の電気掃除機では、手元操作部のスライ
ド抵抗器１３の値を使用者か手動で可変しなければなら
ず、そのため掃除面の汚れ具合や、掃除の仕方は使用者
の勘によるところが多く、最適な掃除をするには多くの
問題を有するものであった。Problems to be Solved by the Invention In such conventional vacuum cleaners, the value of the slide resistor 13 in the hand-held operation unit must be manually varied by the user, and as a result, the level of dirt on the surface to be cleaned and the amount of cleaning The method of cleaning depends largely on the user's intuition, and there are many problems in achieving optimal cleaning.
本発明は上記課題を解決するもので、床面の塵埃量と手
元操作部の動きを検出して従来勘に頼っていた掃除を自
動化して使い勝手を向上することを第１の目的としてい
る。また、手元操作部が休止または静止しているときは
自動停止して安全性を向上することを第２の目的として
いる。さらに、使用者の掃除の仕方や掃除面の掃除必要
度を自動判定し、各家庭に応じた最適な掃除モードを設
定して使い勝手を大巾に向上することを第３の目的とし
ている。The present invention solves the above-mentioned problems, and its first object is to improve usability by detecting the amount of dust on the floor and the movement of the hand-held operating unit to automate cleaning that conventionally relied on intuition. A second purpose is to automatically stop the hand control unit when it is at rest or stationary, thereby improving safety. Furthermore, the third objective is to automatically determine the user's cleaning style and the degree of cleaning necessity of the cleaning surface, and to set the optimal cleaning mode according to each household, greatly improving usability.
課題を解決するための手段
本発明は上記第１の目的を達成するために、空気流路内
の塵埃通過量を検出する塵埃センサと、手元操作部の前
後・左右・上下の動きと操作速度を検出する状態センサ
と、前記塵埃センサと状態センサの出力を入力する制御
手段とを備え、前記制御手段は塵埃センサの出力と状態
センサの出力とを演算して電動送風機の回転数を制御す
るようにしたことを第１の課題解決手段としている。ま
た、第２の目的を達成するために、上記第１の課題解決
手段に加えて、塵埃センサおよび状態センサのいずれか
の出力が発生しているときは電動送風機の回転数を制御
し、両センサからの出力が発生しないときのみ運転を停
止するようにしたことを第２の課題解決手段としている
。さらに、第３の目的を達成するために、上記第１の課
題解決手段に加えて、制御手段はタイマー機能を有し、
床面の塵埃分布量を検出する塵埃センサの出力と手元操
作部の往復回数を検出する状態センサの出力と前記タイ
マー機能で計数した運転時間とを演算し、前記演算によ
り掃除面全体の状態を認知した結果を記憶する記憶手段
を設けたことを第３の課題解決手段としている。Means for Solving the Problems In order to achieve the above-mentioned first object, the present invention provides a dust sensor that detects the amount of dust passing through the air flow path, and the forward/backward, left/right, up/down movement and operation speed of the hand control unit. and a control means for inputting the outputs of the dust sensor and the state sensor, and the control means calculates the output of the dust sensor and the output of the state sensor to control the rotation speed of the electric blower. This is the first means of solving the problem. Furthermore, in order to achieve the second objective, in addition to the first problem solving means described above, when the output of either the dust sensor or the condition sensor is generated, the rotation speed of the electric blower is controlled, and both The second problem-solving means is that the operation is stopped only when no output is generated from the sensor. Furthermore, in order to achieve the third objective, in addition to the first problem solving means, the control means has a timer function,
The output of a dust sensor that detects the amount of dust distribution on the floor surface, the output of a status sensor that detects the number of reciprocations of the hand control unit, and the operating time counted by the timer function are calculated, and the state of the entire surface to be cleaned is determined by the calculation. The third problem-solving means is to provide a storage means for storing the recognized results.
作用
本発明は上記した第１の課題解決手段により、床面の塵
埃量と掃除速度により、たとえば塵埃量が多く掃除速度
がはやい場合はスピード掃除のため吸込力を上げる制御
を行なうことができ、塵埃量と掃除速度に応じて吸込力
を制御できる。また、第２の課題解決手段により、塵埃
センサおよび状態センサの出力が発生していないときは
掃除の休止または静止状態と判断して自動停止させるこ
とができ、再度運転するときは、手元操作部を持ち動き
を発生させれば起動することができる。Effects of the present invention is based on the above-mentioned first problem-solving means. Depending on the amount of dust on the floor surface and the cleaning speed, for example, when the amount of dust is large and the cleaning speed is fast, control can be performed to increase the suction force for speedy cleaning. Suction power can be controlled according to the amount of dust and cleaning speed. In addition, with the second problem solving means, when the dust sensor and the status sensor are not outputting, it is possible to determine that the cleaning is suspended or in a stationary state and automatically stop the operation, and when restarting the operation, the hand control It can be activated by holding and generating movement.
さらに、第３の課題解決手段により、床面の塵埃量、手
元操作部の往復回数、掃除機運転時間の３つの情報を演
算かつ記憶することにより掃除面の掃除必要度を判定し
、次回同一床面を掃除するときは、前回の情報に基づき
最適な吸込力にコントロールできる。Furthermore, the third problem-solving means determines the necessity of cleaning the surface by calculating and storing three pieces of information: the amount of dust on the floor, the number of reciprocations of the hand control unit, and the operating time of the vacuum cleaner. When cleaning the floor, you can control the suction power to the optimum level based on the previous information.
実施例
以下、第１の発明の実施例について第１図を参照しなが
ら説明する。EXAMPLE Hereinafter, an example of the first invention will be described with reference to FIG.
図に示すように、空気通路２１には発光素子２２と受光
素子２３とを対向して設置して塵埃センサ２４を形成し
ており、受光素子２３の出力は、第１のレベル検出器２
５に入力し、塵埃が通過する際発生する光のゆらぎ量を
第１のレベル検出器２５で判定し、パルス信号に変換し
て制御回路２６に入力している。As shown in the figure, a light emitting element 22 and a light receiving element 23 are installed facing each other in the air passage 21 to form a dust sensor 24, and the output of the light receiving element 23 is transmitted to the first level detector 2.
5, the amount of light fluctuation that occurs when the dust passes is determined by the first level detector 25, and the pulse signal is converted into a pulse signal and input to the control circuit 26.
また、状態センサ２７はしや閉されたケース内に球形の
ボール２８を具備し、発光素子２９および受光素子３０
からなるホトインターラブタ３１を設け、手元操作部の
動きに対してボール２８がホトインターラプタ３１の光
軸を掃除速度に比例してしゃ断することにより発生する
光量変化を第２のレベル検出器３２で検出し制御回路２
６に入力している。制御回路２６は塵埃センサ２４の出
力と状態センサ２７の出力とを入力し、演算してその出
力は双方向性サイリスタ３３を介して電動送風機３４の
回転数を制御するよう構成している。In addition, the status sensor 27 is equipped with a spherical ball 28 inside a closed case, and has a light emitting element 29 and a light receiving element 30.
A second level detector detects the change in light intensity caused by the ball 28 interrupting the optical axis of the photointerrupter 31 in proportion to the cleaning speed in response to the movement of the hand control unit. Detected by 32 and control circuit 2
6 is entered. The control circuit 26 is configured to input the output of the dust sensor 24 and the output of the state sensor 27, perform calculations, and use the output to control the rotation speed of the electric blower 34 via the bidirectional thyristor 33.
上記構成において動作を説明すると、第２図（ａｌ、（
ｂｌに示すように、塵埃センサ２４の出力ＶＡと状態セ
ンサ２７の出力ＶＢにより電動送風機３４の回転数を制
御し吸込力を第２図（Ｃ１のように制御するものであり
、塵埃量が多く掃除速度が早い場合は、「スピード掃除
」モードとして判定し吸込力を最大になるよう制御し、
塵埃量が少なく掃除速度が早い場合は吸込力を押さえて
操作力が低くなるよう制御する。また、塵埃量が多く掃
除速度が遅い場合は「恋人り手軽掃除」で吸込力をやや
低めに制御し、ゆっくり恋人りに掃除するモードとなる
。さらに、塵埃量が少なく掃除速度が遅い場合は、「パ
ワーセーブ運転」モードとなり、吸込力を低く制御する
。To explain the operation in the above configuration, Fig. 2 (al, (
As shown in bl, the rotation speed of the electric blower 34 is controlled by the output VA of the dust sensor 24 and the output VB of the condition sensor 27, and the suction force is controlled as shown in FIG. 2 (C1). If the cleaning speed is fast, it is determined as "speed cleaning" mode and the suction power is controlled to the maximum.
When the amount of dust is small and the cleaning speed is fast, the suction force is suppressed and the operating force is controlled to be low. In addition, if there is a large amount of dust and the cleaning speed is slow, the suction power is controlled to be slightly lower in "Lover's Easy Cleaning" mode, which cleans slowly and slowly. Furthermore, when the amount of dust is small and the cleaning speed is slow, the system enters the "power save operation" mode and controls the suction power to a low level.
上記以外に多種多様の掃除パターンにより吸込力を自動
的に制御できる。In addition to the above, the suction force can be automatically controlled using a wide variety of cleaning patterns.
このように第１の発明の実施例の電気掃除機によれば、
床面の塵埃量と手元操作部の動きおよび操作速度により
吸込力を最適に制御でき、使い勝手を大巾に改善できる
。As described above, according to the vacuum cleaner of the first embodiment of the invention,
The suction force can be optimally controlled based on the amount of dust on the floor and the movement and operating speed of the hand control unit, greatly improving usability.
つぎに、第２の発明の実施例について説明する。Next, an embodiment of the second invention will be described.
第２の発明の実施例の構成は第１図に示した第１の発明
の実施例と同しであり、制御回路２６は第３図（ａｌ
、 （ｂｌのように塵埃センサ２４および状態センサ２
７の出力ＶＡ、Ｖａが発生しないときは第３図ｆｃ）の
ように電動送風機３４の運転を停止させ、塵埃センサ２
４の出力ＶＡのみが発生しているときは塵埃量に応じて
吸込力を制御し、状態センサ２７の出力Ｖａのみが発生
しているときは「ノ＜ワーセープ運転」モードとなるよ
う制御する。The configuration of the embodiment of the second invention is the same as the embodiment of the first invention shown in FIG.
, (dust sensor 24 and condition sensor 2 like bl)
When the outputs VA and Va of No. 7 are not generated, the operation of the electric blower 34 is stopped as shown in Fig. 3 fc), and the dust sensor 2
When only the output VA of No. 4 is generated, the suction force is controlled according to the amount of dust, and when only the output Va of the state sensor 27 is generated, the control is performed so that the "war save operation" mode is set.
このように第２の発明の実施例の電気掃除機によれば、
塵埃がなく、手元操作部が休止または静止しているとき
は自動停止するため、安全性が大巾に改善できる。In this way, according to the vacuum cleaner of the second embodiment of the invention,
There is no dust and the device automatically stops when the hand control unit is at rest or stationary, greatly improving safety.
つぎに、第３の発明の実施例について第４図を参照しな
がら説明する。なお、第１の発明の実施例と同じ構成の
ものは同一符号を付して説明を省略する。Next, a third embodiment of the invention will be described with reference to FIG. 4. Components having the same configuration as the embodiment of the first invention are given the same reference numerals, and the explanation thereof will be omitted.
図に示すように、制御回路３５はタイマー機能を有して
いて、掃除機運転時の運転時間を計数可能としている。As shown in the figure, the control circuit 35 has a timer function and is capable of counting the operating time when the vacuum cleaner is operated.
記憶装置３６は塵埃センサ２４および状態センサ２７の
出力および運転時間を演算処理した値を記憶するもので
ある。The storage device 36 stores values obtained by calculating the outputs and operating times of the dust sensor 24 and the state sensor 27.
上記構成において動作を説明すると、塵埃センサ２４で
床面に分布する塵埃量を検出し、状態センサ２７で使用
者が掃除中に床用吸込具を往復操作する操作回数を検出
し、これら塵埃センサ２４と状態センサ２７の出力と運
転時間の３つの情報を制御回路３５で、演算処理し、掃
除面の汚れ具合、使用者の掃除速度の特異性、掃除範囲
などを判断して部屋または掃除面全体の状態を認知し、
電動送風機３４の回転数または０Ｎ−ＯＦＦ制御をし、
さらに、この演算処理した情報を記憶装置３６に記憶す
る。したがって、次回の掃除の際には各家庭、各使用者
のそれぞれの掃除パターンに応じて吸込力を制御するこ
とができる。なお、制御回路３５の出力による制御対象
は電動送風機３４だけでなく、床用吸込具に設けた電動
吸込ノズルを加えることにより一層きめ細かい掃除がで
きる。To explain the operation in the above configuration, the dust sensor 24 detects the amount of dust distributed on the floor surface, the condition sensor 27 detects the number of times the user reciprocates the floor suction tool during cleaning, and these dust sensors 24, the output of the status sensor 27, and the operating time are processed by the control circuit 35, and the level of dirt on the surface to be cleaned, the specificity of the cleaning speed of the user, the cleaning range, etc. are determined, and the room or surface to be cleaned is determined. Recognize the overall condition,
Controls the rotation speed or 0N-OFF of the electric blower 34,
Furthermore, this arithmetic processed information is stored in the storage device 36. Therefore, during the next cleaning, the suction force can be controlled according to the cleaning patterns of each household and each user. Note that the object to be controlled by the output of the control circuit 35 is not only the electric blower 34, but also an electric suction nozzle provided on the floor suction tool, which enables more detailed cleaning.
発明の効果
以上の実施例から明らかなように本発明によれば、塵埃
センサの出力と状態センサの出力を演算して電動送風機
の回転数を制御しているので、床面の塵埃量と手元操作
部の動きおよび操作速度により吸込力を最適に制御でき
、使用者の勘にたよっていた掃除が、全て自動化され使
い勝手を大巾に改善でき、また、塵埃センサの出力と状
態センサの出力が発生しないときは運転を停止するよう
にしているので、塵埃がなく手元操作部が休止又は静止
しているときは非掃除時と判定し、自動停止するため安
全性が大巾に改善されるとともに電力の有効活用が図れ
る。Effects of the Invention As is clear from the above embodiments, according to the present invention, the rotation speed of the electric blower is controlled by calculating the output of the dust sensor and the output of the condition sensor, so that the amount of dust on the floor and the amount of dust at hand can be controlled. The suction force can be optimally controlled by the movement and operating speed of the operating part, and cleaning, which previously relied on the user's intuition, has been completely automated, greatly improving usability. In addition, the output of the dust sensor and the output of the status sensor have been improved. Since the operation is stopped when no dust occurs and the hand control unit is at rest or stationary, it is determined that it is not cleaning and automatically stops, greatly improving safety. Effective use of electricity can be achieved.
さらに、塵埃センサの出力と状態センサの出力と運転時
間とを演算し、記憶するようにしているので、床面の塵
埃量、掃除の往復回数、運動時間などの情報により使用
者の掃除の仕方やそれぞれの掃除面の掃除必要度を自動
判定することができ、各家庭に応じた最適な掃除モード
が設定され、使い勝手を大巾に改善できる。なお、制御
手段の出刃による制御対象は電動送風機を制御して吸込
力を制御するだけでなく、床用吸込具に設けた電動吸込
ノズルを制御することにより一層きめ細かい掃除ができ
る。Furthermore, since the output of the dust sensor, the output of the condition sensor, and the operating time are calculated and stored, the user can use information such as the amount of dust on the floor, the number of times of cleaning, and the duration of exercise to determine how the user cleans. It can automatically determine the need for cleaning for each cleaning surface, and the optimal cleaning mode for each household can be set, greatly improving usability. In addition, the object to be controlled by the blade of the control means not only controls the electric blower to control the suction force, but also controls the electric suction nozzle provided on the floor suction tool, thereby enabling more detailed cleaning.
第１図は本発明の一実施例の電気掃除機のブロック図、
第２図（ａ）〜（Ｃ１は同電気掃除機の各センサの出力
波形図と吸込力特性図、第３図ｆａｌ〜（Ｃ１は同電気
掃除機の他の使用例の各センサの出力波形図と吸込力特
性図、第４図は本発明の他の実施例の電気掃除機のブロ
ック回路図、第５図は従来の電気掃除機の斜視図、第６
図は同従来の電気掃除機の回路図である。
２１・・・・・・空気通路、２４・・・・・・塵埃セン
サ、２６・・・・・・制御回路（制御手段）、２７・・
・・・・状態センサ、３４・・・・・・電動送風機。FIG. 1 is a block diagram of a vacuum cleaner according to an embodiment of the present invention.
Figure 2 (a) - (C1 is the output waveform diagram and suction force characteristic diagram of each sensor of the same vacuum cleaner, Figure 3 fal - (C1 is the output waveform of each sensor of another usage example of the same vacuum cleaner) Fig. 4 is a block circuit diagram of a vacuum cleaner according to another embodiment of the present invention, Fig. 5 is a perspective view of a conventional vacuum cleaner, and Fig. 6 is a suction force characteristic diagram.
The figure is a circuit diagram of the conventional vacuum cleaner. 21...Air passage, 24...Dust sensor, 26...Control circuit (control means), 27...
...Condition sensor, 34...Electric blower.
Claims (3)
操作部内に設けられた手元操作部の前後・左右・上下の
動きと操作速度を検出する状態センサと、前記塵埃セン
サと状態センサの出力を入力する制御手段とを備え、前
記制御手段は塵埃センサの出力と状態センサの出力とを
演算して電動送風機の回転数を制御するようにしてなる
電気掃除機。(1) A dust sensor that detects dust in the air flow path, a status sensor that detects the forward/backward, left/right, up/down movement and operation speed of the handheld operating unit provided in the handheld operating unit, and the dust sensor and the status sensor. control means for inputting the output of the dust sensor, and the control means calculates the output of the dust sensor and the output of the condition sensor to control the rotation speed of the electric blower.
発生しているときは電動送風機の回転数を制御し、両セ
ンサからの出力が発生しないときは運転を停止するよう
にしてなる請求項１記載の電気掃除機。(2) The number of rotations of the electric blower is controlled when an output from either the dust sensor or the condition sensor is generated, and the operation is stopped when the output from both sensors is not generated. The vacuum cleaner mentioned.
量を検出する塵埃センサの出力と手元操作部の往復回数
を検出する状態センサの出力と前記タイマー機能で計数
した運転時間とを演算し、前記演算により掃除面全体の
状態を認知した結果を記憶する記憶手段を設けてなる請
求項１記載の電気掃除機。(3) The control means has a timer function, and controls the output of the dust sensor that detects the amount of dust distribution on the floor, the output of the state sensor that detects the number of reciprocations of the hand control unit, and the operating time counted by the timer function. 2. The vacuum cleaner according to claim 1, further comprising a storage means for storing the result of calculating and recognizing the state of the entire surface to be cleaned by said calculation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3516290A JP2969729B2 (en) | 1990-02-15 | 1990-02-15 | Electric vacuum cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3516290A JP2969729B2 (en) | 1990-02-15 | 1990-02-15 | Electric vacuum cleaner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03237957A true JPH03237957A (en) | 1991-10-23 |
| JP2969729B2 JP2969729B2 (en) | 1999-11-02 |
Family
ID=12434178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3516290A Expired - Fee Related JP2969729B2 (en) | 1990-02-15 | 1990-02-15 | Electric vacuum cleaner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2969729B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012095700A (en) * | 2010-10-29 | 2012-05-24 | Toshiba Corp | Vacuum cleaner |
| JP2012115604A (en) * | 2010-12-03 | 2012-06-21 | Toshiba Corp | Vacuum cleaner |
-
1990
- 1990-02-15 JP JP3516290A patent/JP2969729B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012095700A (en) * | 2010-10-29 | 2012-05-24 | Toshiba Corp | Vacuum cleaner |
| JP2012115604A (en) * | 2010-12-03 | 2012-06-21 | Toshiba Corp | Vacuum cleaner |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2969729B2 (en) | 1999-11-02 |
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| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |