A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
A47L 5/28 (2006.01) A47L 9/00 (2006.01) A47L 9/28 (2006.01) A47L 9/32 (2006.01) H02P 7/29 (2006.01)
Patent
CA 2664391
A self propelled upright vacuum cleaner (10) is provided with a Hall effect sensor (310) to provide a Hall voltage that varies according to the position of a handgrip (114) maintained by the vacuum cleaner (10). A microprocessor generates a PWM control signal to control the movement of the vacuum based on the magnitude of the Hall voltage with respect to various response characteristics, including a non-linear logistic function. As such, the vacuum cleaner (10) imparts a user-friendly responsiveness to the user during the operation of the vacuum cleaner (10).
L'invention concerne un aspirateur-balai autopropulsé pourvu d'un capteur à effet Hall fournissant une tension de Hall qui varie en fonction de la position d'une poignée fixée sur l'aspirateur. Un microprocesseur génère un signal de commande MID pour commander le mouvement de l'aspirateur en fonction de l'amplitude de la tension de Hall par rapport à diverses caractéristiques de réponse, notamment une fonction logistique non linéaire. L'aspirateur selon l'invention présente en fonctionnement une bonne facilité d'utilisation pour l'utilisateur.
Gordon Evan A.
Miller Ethan S.
Smart & Biggar
The Hoover Company
LandOfFree
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