EP4285800A1 - Dust removal equipment for furniture surface - Google Patents
Dust removal equipment for furniture surface Download PDFInfo
- Publication number
- EP4285800A1 EP4285800A1 EP23176201.4A EP23176201A EP4285800A1 EP 4285800 A1 EP4285800 A1 EP 4285800A1 EP 23176201 A EP23176201 A EP 23176201A EP 4285800 A1 EP4285800 A1 EP 4285800A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sensor
- furniture
- vacuum cleaner
- dust
- obstacle
- 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
Links
- 239000000428 dust Substances 0.000 title claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 238000002604 ultrasonography Methods 0.000 claims abstract description 5
- 238000010408 sweeping Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 244000007853 Sarothamnus scoparius Species 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
- A47L9/2805—Parameters or conditions being sensed
- A47L9/2826—Parameters or conditions being sensed the condition of the floor
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
- A47L2201/04—Automatic control of the travelling movement; Automatic obstacle detection
Definitions
- the present invention generally relates to dust removal equipment, such as a vacuum cleaner, for use in removing dust from surfaces located under furniture in a home.
- vacuum cleaners for vacuuming up dust from homes have been developed more recently and are now available on the market. They include a suction motor, an energy supply unit such as a cell or battery, one or more obstacle detection sensors, such as an infrared, laser or ultrasound sensor. When the sensor receives an echo signal representative of the presence of an obstacle a short distance from the vacuum cleaner, a processing unit of the vacuum cleaner, such as a microprocessor, activates a first motor which drives the rotation of a first wheel, and deactivates a second motor which causes a second wheel to lock, causing the vacuum cleaner to change direction when approaching the obstacle.
- a processing unit of the vacuum cleaner such as a microprocessor
- the invention aims to remedy the drawbacks of the prior art by proposing an autonomous vacuum cleaner intended for surfaces under furniture.
- the autonomous equipment is characterized in that said at least one obstacle detection sensor is a sensor for detecting the presence of the piece of furniture substantially above said sensor, and in that the movement unit modifies the trajectory of the autonomous equipment if the output signal from said sensor indicates an absence of presence of the furniture.
- the dust removal equipment is a vacuum cleaner 1.
- the Fig. 1 seen from below shows two wheels 2 and 2', called motorized, associated with two respective drive motors (not shown), a pivoting wheel not driven by a 2" motor, two rotating sweeping brushes 3 and 3', a dust suction mouth 4 and a filtered air discharge mouth 4', two obstacle sensors 5 and 5' and a bumper 6 surrounding the vacuum cleaner 1.
- two wheels 2 and 2' called motorized, associated with two respective drive motors (not shown), a pivoting wheel not driven by a 2" motor, two rotating sweeping brushes 3 and 3', a dust suction mouth 4 and a filtered air discharge mouth 4', two obstacle sensors 5 and 5' and a bumper 6 surrounding the vacuum cleaner 1.
- the vacuum cleaner 1 includes a filter change hatch 7, a connector 8 for recharging a battery of the vacuum cleaner from the electrical network, a button 8' for switching the vacuum cleaner 1 on/off, and a sensor obstacle 9 according to the invention which is therefore positioned on the upper part of the vacuum cleaner and not on the side part as are the sensors 5 and 5'.
- the obstacle sensor 9 is not intended to detect an obstacle in the direction in which the equipment 1 (such as vacuum cleaner) is heading, but to detect the absence of the furniture above of equipment 1. As shown in the Fig.
- an internal block diagram of the vacuum cleaner 1 comprises for the movement part: three sensors 5, 5' and 9, a processing unit UI 20, such as a microprocessor and two motorized wheels 2, 2', and for the suction part: a suction motor 30, an air filter, a suction mouth 4 and a discharge mouth 4'.
- a processing unit UI 20 such as a microprocessor and two motorized wheels 2, 2'
- a suction motor 30 an air filter, a suction mouth 4 and a discharge mouth 4'.
- the operation of the vacuum cleaner 1 is as follows.
- an energy supply unit typically consisting of a battery or cells
- the two rotating sweeping brushes 3 and 3' and the suction motor 30 are energized.
- the dust removal unit comprising the two rotating sweeping brushes 3 and 3', the suction motor 30, the vacuum cleaner filter 31, the dust suction mouth 4 and the discharge mouth of the filtered air 4', sucks up the dust and retains it in the filter 31.
- the two rotating sweeping brushes 3 and 3' push the dust towards the suction mouth 4, which dust is sucked up and filtered by the filter 31, the filtered air being returned through the outlet 4' of the filtered air.
- the dust removal unit comprises one or more sweeping brushes, rotating or fixed, which pushes dust out of the surface located under the furniture, without a suction motor, as explained below.
- the suction motor 30 can be a motor without changeable filter 31.
- the obstacle detection sensors 5, 5' and 9, which can each be an infrared, laser, ultrasound or brightness sensor, enable a movement unit comprising the processing unit 20 and motorized wheels 2 and 2', to modify the trajectory of the vacuum cleaner 1 as a function of an output signal from at least one sensor, and thus to avoid obstacles (5.5' sensors) on the one hand, and on the other hand, according to the invention, to confine the movement of the vacuum cleaner 1 substantially to the surface located under the furniture (sensor 9).
- the algorithm implemented by the processing unit 20 is illustrated in the Fig. 4 .
- the processing unit receives information from sensors 5, 5' and 9. Each sensor 5.5' produces a signal representative of the presence of an obstacle and the output signal from sensor 9 produces a signal representative of the presence of the furniture above the surface to be cleaned.
- the sensor 9 comprises an emitter 91, including an infrared LED with a lens, which emits a narrow beam of infrared radiation.
- a receiver of the sensor 92 comprises a photodiode or a phototransistor which detects the reflected signal, or echo signal, by the obstacle M (the furniture) and a processing circuit (not shown) of this reflected signal which produces an output signal of sensor.
- the transmitter 91 emits an infrared beam, for example with a frequency of 38 kHz, which is received by reflection by the piece of furniture M in the presence of the latter, by the photodiode or the phototransistor of the receiver 92 of the sensor, in a signal echo.
- the output signal output from the sensor receiver 92 displays a voltage level which is detected by the processing unit 20
- the range (sensitivity) of the infrared obstacle sensor can be adjustable, for example by potentiometer, for example from 2 to 40 centimeters.
- sensor 9 can be a brightness sensor. As soon as the brightness becomes higher, an output signal from the sensor indicates this situation, representing the absence of the furniture above the surface to be cleaned.
- the transmitter 91 of the obstacle detection sensor 9 is positioned, according to a preferred embodiment, on the upper surface of the vacuum cleaner to point a beam upwards, to detect the presence of the piece of furniture substantially above of the vacuum cleaner, while the sensors 5 and 5' are positioned laterally to detect obstacles in the direction of movement of the vacuum cleaner 1.
- the movement unit modifies the trajectory of the vacuum cleaner 1 (Step 43) if the output signal from said sensor 9 indicates an absence of furniture above the surface to be cleaned (“No” at the output of the Test of step 40), according to step 40 in combination with step 43 of the Fig. 4 . Since the sensor 9 produces an output signal representative of the presence (the absence of the furniture detected leads to a change of direction) of a piece of furniture above the surface considered, this makes it possible to limit the movement of the vacuum cleaner 1 on the surface under furniture. For this, the movement unit modifies the trajectory of the autonomous equipment if the output signal of said sensor 9 indicates an absence of presence of the furniture.
- the algorithm tests whether at least one of the output signals from the sensors 5, 5' is a signal representative of the presence of an obstacle. If the output signal from at least one of the two 5.5' sensors indicates the presence of an obstacle (it will therefore be a wall or other type obstacle placed in the direction of movement of the vacuum cleaner 1), then the movement unit consisting of the processing unit 20 and the movement unit 2, 2' modifies the trajectory of the vacuum cleaner 1, according to step 43.
- the direction change step can be performed in one embodiment as follows.
- the processing unit 20 of the vacuum cleaner such as a microprocessor, maintains the activation of a first motor which causes the rotation of a first wheel 2, and deactivates a second motor which causes the blocking of a second wheel 2', leading to a change of direction of the vacuum cleaner 1 when approaching the obstacle or detecting the absence of the piece of furniture above the vacuum cleaner 1.
- the movement unit consisting of the processing unit 20 and the motorized wheels 2, 2', modifies the trajectory of the vacuum cleaner 1, according to step 43.
- the direction change step 43 carried out by the displacement unit 20, 2, 2' is implemented for example in the following manner, as illustrated in the Fig. 5 .
- the user positions the autonomous vacuum cleaner 1 under the furniture with a visible mark R on the upper part of the vacuum cleaner which must be oriented towards the outside of the dust suction surface S.
- the autonomous vacuum cleaner 1 advances at a random angle for cleaning the surface S until the sensor 9 signals the absence of the piece of furniture substantially above said sensor 9.
- the processing unit UI 20 maintains the activation of a first motor which causes the rotation of a first wheel, and deactivates a second motor which causes the blocking of a second wheel, causing a change of direction of the vacuum cleaner.
- This change of direction is done for example each time according to a random angle ⁇ , between 0° (half turn) and 90° always measured in the same trigonometric direction relative to the direction of movement of the vacuum cleaner 1.
- This angle is determined by the duration during which one of the motors which causes the rotation of a first wheel 2 or 2' is activated and the other motor which causes the locking of a second wheel 2' or 2 is deactivated. Once the change in angle has been made, the two motors are activated, driving the vacuum cleaner 1 in a straight line movement.
- the invention makes it possible, thanks to the sensor 9, to limit the movement of the vacuum cleaner substantially under the piece of furniture.
- the dust removal equipment is a vacuum cleaner 1.
- this equipment could be simple autonomous equipment provided with motorized brush(es). ) or not, such as rotating broom(s), which pushes dust away from the surface S on which the dust must be removed, due to the movement of the equipment under the furniture, allowing its subsequent suction by a conventional vacuum cleaner for example.
Abstract
L'invention propose un équipement autonome (1) pour enlever de la poussière sur une surface occupée par un meuble, tels que lit ou armoire, l'aspirateur. Elle comprend- une unité de fourniture d'énergie,- une unité d'enlèvement de la poussière (30, 31, 4, 4') sur une zone de passage de l'équipement autonome,- au moins un capteur de détection d'obstacle (5, 5', 9), tel que capteur infrarouge, laser, ultrason ou de luminosité,- une unité de déplacement (20, 2, 2'), qui modifie la trajectoire de l'équipement autonome (1) en fonction d'un signal de sortie dudit capteur (5, 5', 9)Selon l'invention, ledit au moins un capteur de détection d'obstacle (9) est un capteur pour détecter la présence du meuble (M) substantiellement au-dessus dudit capteur (1), et en ce que l'unité de déplacement (20, 2, 2') modifie la trajectoire de l'équipement autonome si le signal de sortie dudit capteur (9) indique une absence de présence du meuble (M).The invention proposes autonomous equipment (1) for removing dust from a surface occupied by furniture, such as a bed or wardrobe, the vacuum cleaner. It comprises - an energy supply unit, - a dust removal unit (30, 31, 4, 4') in a passage area of the autonomous equipment, - at least one dust detection sensor. obstacle (5, 5', 9), such as infrared, laser, ultrasound or brightness sensor, - a movement unit (20, 2, 2'), which modifies the trajectory of the autonomous equipment (1) depending on of an output signal from said sensor (5, 5', 9)According to the invention, said at least one obstacle detection sensor (9) is a sensor for detecting the presence of the piece of furniture (M) substantially above of said sensor (1), and in that the movement unit (20, 2, 2') modifies the trajectory of the autonomous equipment if the output signal of said sensor (9) indicates an absence of presence of the furniture (M ).
Description
La présente invention concerne de manière générale un équipement d'enlèvement de la poussière, tel qu'aspirateur, destiné à être utilisé pour enlever de la poussière sur des surfaces situées sous des meubles dans une habitation.The present invention generally relates to dust removal equipment, such as a vacuum cleaner, for use in removing dust from surfaces located under furniture in a home.
Très souvent ces surfaces difficiles d'accès sont négligées et ne sont pas régulièrement nettoyées de leur poussière, laissant la poussière s'entasser, ouvrant la possibilité à une hygiène imparfaite. Il est aussi possible que l'occupant de l'habitation tente par lui-même de procéder à un enlèvement de la poussière avec un aspirateur à embout allongé, ce qui demeure difficile et inconfortable pour l'utilisateur.Very often these hard-to-reach surfaces are neglected and are not regularly cleaned of dust, allowing dust to pile up, opening the possibility of imperfect hygiene. It is also possible that the occupant of the home attempts to remove the dust on their own with a vacuum cleaner with an extended nozzle, which remains difficult and uncomfortable for the user.
D'autres aspirateurs, dits « robot », pour aspirer la poussière des habitations ont été développés plus récemment et sont aujourd'hui disponibles sur le marché. Ils comprennent un moteur d'aspiration, une unité de fourniture d'énergie telle que pile ou batterie, un ou plusieurs capteurs de détection d'obstacle, tel que capteur infrarouge, laser ou ultrason. Lorsque le capteur reçoit un signal écho représentatif de la présence d'un obstacle à courte distance de l'aspirateur, une unité de traitement de l'aspirateur, tel que microprocesseur, active un premier moteur qui entraine la rotation d'une première roue, et désactive un deuxième moteur qui entraine le blocage d'une seconde roue, entraînant un changement de direction de l'aspirateur au moment de l'approche de l'obstacle. Ces aspirateurs autonomes sont inadaptés aux surfaces sous meuble car la détection d'un meuble ou des pieds du meuble par exemple peut amener l'aspirateur à contourner la surface sous le meuble. Par ailleurs ces aspirateurs ne sont pas conçus pour un nettoyage efficace d'une surface sous meuble dont la fréquence de nettoyage est souvent plus faible.Other vacuum cleaners, called “robots”, for vacuuming up dust from homes have been developed more recently and are now available on the market. They include a suction motor, an energy supply unit such as a cell or battery, one or more obstacle detection sensors, such as an infrared, laser or ultrasound sensor. When the sensor receives an echo signal representative of the presence of an obstacle a short distance from the vacuum cleaner, a processing unit of the vacuum cleaner, such as a microprocessor, activates a first motor which drives the rotation of a first wheel, and deactivates a second motor which causes a second wheel to lock, causing the vacuum cleaner to change direction when approaching the obstacle. These autonomous vacuum cleaners are unsuitable for surfaces under furniture because the detection of a piece of furniture or the legs of the furniture, for example, can cause the vacuum cleaner to bypass the surface under the furniture. Furthermore, these vacuum cleaners are not designed for effective cleaning of a surface under furniture, the cleaning frequency of which is often lower.
L'invention vise à remédier aux inconvénients de la technique antérieure en proposant un aspirateur autonome destiné aux surfaces sous meuble.The invention aims to remedy the drawbacks of the prior art by proposing an autonomous vacuum cleaner intended for surfaces under furniture.
Avec ces objectifs en vue, l'invention propose un procédé particulièrement innovant. Selon l'invention, un équipement autonome pour enlever de la poussière sur une surface occupée par un meuble, tels que lit ou armoire, comprend :
- une unité de fourniture d'énergie,
- une unité d'enlèvement de la poussière sur une zone de passage de l'équipement autonome,
- au moins un capteur de détection d'obstacle, tel que capteur infrarouge, laser, ultrason ou de luminosité,
- une unité de déplacement, qui modifie la trajectoire de l'équipement autonome en fonction d'un signal de sortie dudit capteur.
- an energy supply unit,
- a dust removal unit in a passage area of the autonomous equipment,
- at least one obstacle detection sensor, such as infrared, laser, ultrasound or brightness sensor,
- a movement unit, which modifies the trajectory of the autonomous equipment according to an output signal from said sensor.
L'équipement autonome est caractérisé en ce que ledit au moins un capteur de détection d'obstacle est un capteur pour détecter la présence du meuble substantiellement au-dessus dudit capteur, et en ce que l'unité de déplacement modifie la trajectoire de l'équipement autonome si le signal de sortie dudit capteur indique une absence de présence du meuble.The autonomous equipment is characterized in that said at least one obstacle detection sensor is a sensor for detecting the presence of the piece of furniture substantially above said sensor, and in that the movement unit modifies the trajectory of the autonomous equipment if the output signal from said sensor indicates an absence of presence of the furniture.
D'autres caractéristiques et avantages de la présente invention apparaîtront dans la description qui va être faite ci-dessous d'un mode de réalisation d'un aspirateur conforme à l'invention.Other characteristics and advantages of the present invention will appear in the description which will be given below of an embodiment of a vacuum cleaner according to the invention.
On se reportera aux dessins annexés dans lesquels :
- La
Fig. 1 une vue de dessous d'un équipement d'enlèvement de la poussière, ici un aspirateur, selon un mode de réalisation de l'invention ; - La
Fig. 2 montre une vue de dessus d'un équipement d'enlèvement de la poussière, ici un aspirateur, tel qu'illustré sur laFig. 1 ; - La
Fig. 3 est un bloc-diagramme schématique d'un aspirateur selon le mode de réalisation illustré dans lesFig. 1 et Fig. 2 ; - La
Fig. 4 est un algorithme mis en oeuvre dans l'unité de commande UI de laFig. 3 ; - La
Fig. 5 montre un diagramme schématique d'un capteur ; et - La
Fig. 6 illustre une représentation en vue de dessus du déplacement d'un aspirateur selon l'invention.
- There
Fig. 1 a bottom view of dust removal equipment, here a vacuum cleaner, according to one embodiment of the invention; - There
Fig. 2 shows a top view of dust removal equipment, here a vacuum cleaner, as shown in theFig. 1 ; - There
Fig. 3 is a schematic block diagram of a vacuum cleaner according to the embodiment illustrated in theFig. 1 and Fig. 2 ; - There
Fig. 4 is an algorithm implemented in the UI control unit of theFig. 3 ; - There
Fig. 5 shows a schematic diagram of a sensor; And - There
Fig. 6 illustrates a top view representation of the movement of a vacuum cleaner according to the invention.
En référence à la
Le fonctionnement de l'aspirateur 1 selon ce mode de réalisation est le suivant. Lorsqu'une unité de fourniture d'énergie, constituée typiquement d'une batterie ou de piles est suffisamment chargée(s), dès lors que l'utilisateur appuie sur le bouton de mise en marche 8', les deux brosses de balayage tournantes 3 et 3' et le moteur d'aspiration 30 sont mis sous tension. L'unité d'enlèvement de la poussière comprenant les deux brosses de balayage tournantes 3 et 3', le moteur d'aspiration 30, le filtre d'aspirateur 31, la bouche d'aspiration de la poussière 4 et la bouche de refoulement de l'air filtré 4', aspire la poussière et la retient dans le filtre 31. Pour cela, les deux brosses de balayage tournantes 3 et 3', repoussent la poussière vers la bouche d'aspiration 4, laquelle poussière est aspirée et filtrée par le filtre 31, l'air filtré étant renvoyé par la bouche de refoulement 4' de l'air filtré. Il est à noter que bien que le mode de réalisation illustré dans les figures jointes propose d'utiliser un moteur d'aspiration, selon un autre mode de réalisation, l'unité d'enlèvement de la poussière comprend une ou plusieurs brosses de balayage, tournantes ou fixes, qui repousse la poussière à l'extérieur de la surface située sous le meuble, sans moteur d'aspiration, comme expliqué ci-après. De même, selon encore un autre mode de réalisation, le moteur d'aspiration 30 peut être un moteur sans filtre changeable 31.The operation of the
Les capteurs de détection d'obstacle 5, 5' et 9, pouvant être chacun un capteur infrarouge, laser, ultrason ou de luminosité, permettent à une unité de déplacement comprenant l'unité de traitement 20 et des roues motorisées 2 et 2', de modifier la trajectoire de l'aspirateur 1 en fonction d'un signal de sortie d'au moins un capteur, et ainsi d'éviter les obstacles (capteurs 5,5') d'une part, et d'autre part, selon l'invention, de circonscrire le mouvement de l'aspirateur 1 substantiellement à la surface située sous le meuble (capteur 9).The
L'algorithme mis en oeuvre par l'unité de traitement 20 est illustré dans la
Par exemple comme illustré dans la
Également le capteur 9 peut être un capteur de luminosité. Dès que la luminosité devient plus élevée, un signal de sortie du capteur indique cette situation, représentative de l'absence du meuble au-dessus de la surface à nettoyer.Also
L'émetteur 91 du capteur 9 de détection d'obstacle selon l'invention est positionné, selon une réalisation préférée, sur la surface supérieure de l'aspirateur pour pointer un faisceau vers le haut, pour détecter la présence du meuble substantiellement au-dessus de l'aspirateur, tandis que les capteurs 5 et 5' sont positionnées latéralement pour détecter des obstacles dans le sens du mouvement de l'aspirateur 1.The
Comme montré dans l'algorithme de la
L'étape de changement de direction peut être effectuée selon un mode de réalisation de la manière suivante. L'unité de traitement 20 de l'aspirateur 1, tel que microprocesseur, maintient l'activation d'un premier moteur qui entraine la rotation d'une première roue 2, et désactive un deuxième moteur qui entraine le blocage d'une seconde roue 2', entraînant un changement de direction de l'aspirateur 1 au moment de l'approche de l'obstacle ou de la détection de l'absence du meuble au-dessus de l'aspirateur 1. Ainsi, si (a) - ou bien le signal de sortie du capteur 9 indique l'absence de présence d'un meuble, ou bien (b) - le signal de sortie du capteur 9 indique la présence d'un meuble mais l'un au moins des signaux de sortie respectivement des deux capteurs 5, 5' indique la présence d'un obstacle, alors l'unité de déplacement constituée de l'unité de traitement 20 et des roues motorisées 2, 2', modifie la trajectoire de l'aspirateur 1, selon étape 43.The direction change step can be performed in one embodiment as follows. The
L'étape de changement de direction 43 opérée par l'unité de déplacement 20, 2, 2' est mise en oeuvre par exemple de la manière suivante, comme illustrée sur la
L'invention permet, grâce au capteur 9, de circonscrire le mouvement de l'aspirateur substantiellement sous le meuble.The invention makes it possible, thanks to the
Il est à noter que l'invention a été décrite dans un mode de réalisation ou l'équipement d'enlèvement de la poussière est un aspirateur 1. Cependant cet équipement pourrait être un simple équipement autonome muni de brosse(s), motorisée(s) ou pas, comme un/des balai(s) tournant(s), qui repousse(nt) en raison des déplacements de l'équipement sous le meuble, la poussière en dehors de la surface S sur laquelle la poussière doit être enlevée, permettant son aspiration ultérieure par un aspirateur conventionnel par exemple.It should be noted that the invention has been described in an embodiment where the dust removal equipment is a
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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FR2205238 | 2022-05-31 |
Publications (1)
Publication Number | Publication Date |
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EP4285800A1 true EP4285800A1 (en) | 2023-12-06 |
Family
ID=86609527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP23176201.4A Pending EP4285800A1 (en) | 2022-05-31 | 2023-05-30 | Dust removal equipment for furniture surface |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0753160A1 (en) * | 1994-03-29 | 1997-01-15 | Aktiebolaget Electrolux | Method and device for sensing of obstacles for an autonomous device |
US20180000306A1 (en) * | 2015-01-31 | 2018-01-04 | Mini-Mole Llc | Automatic Floor Cleaning Robot |
US20200096631A1 (en) * | 2017-02-06 | 2020-03-26 | Acconeer Ab | An autonomous mobile robot comprising radar sensors |
-
2023
- 2023-05-30 EP EP23176201.4A patent/EP4285800A1/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0753160A1 (en) * | 1994-03-29 | 1997-01-15 | Aktiebolaget Electrolux | Method and device for sensing of obstacles for an autonomous device |
US20180000306A1 (en) * | 2015-01-31 | 2018-01-04 | Mini-Mole Llc | Automatic Floor Cleaning Robot |
US20200096631A1 (en) * | 2017-02-06 | 2020-03-26 | Acconeer Ab | An autonomous mobile robot comprising radar sensors |
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