Automatic power adjustment system for introductory use of a...

Details Automatic power adjustment system for introductory use of a... Automatic power adjustment system for introductory use of a...

H - Electricity

02

J

H02J 7/00 (2006.01) A61C 17/22 (2006.01) A61H 23/02 (2006.01)

Patent

CA 2591699

Driving power for a vibrating device (10) is provided at less than full level when the device is initially used. Power is gradually increased in successive steps after a selected number of uses in each step until full power is achieved. Also, a battery-energized driving signal for a vibrating device has a selected characteristic, such as duty cycle, which is set initially at less than an optimum value, when the battery which is contained within the driver assembly (22) is at full strength. As the battery discharges, the selected characteristic is adjusted toward optimum so as to compensate for reduction in the battery voltage and ensure full power output.

Une puissance d'excitation est appliquée sur un dispositif vibrant (10) à un niveau inférieur au niveau intégral obtenu pendant l'utilisation initiale du dispositif. La puissance est augmentée progressivement, en étapes successives, après un certain nombre d'emplois déterminés dans chaque étape, jusqu'à ce que la puissance maximale soit atteinte. En outre, un signal d'excitation d'un dispositif vibrant activé par pile présente une certaine caractéristique (cycle de travail, par exemple) initialement fixée à un niveau inférieur à la valeur optimale lorsque la pile logée dans l'ensemble excitateur (22) est au maximum de sa charge. A mesure que la pile se décharge, ladite caractéristique sélectionnée est réglée à son maximum pour compenser la baisse de tension de la pile et assurer une puissance nominale.

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