Brushing – scrubbing – and general cleaning – Machines – Brushing
Reexamination Certificate
2011-07-19
2011-07-19
Carter, Monica S (Department: 3727)
Brushing, scrubbing, and general cleaning
Machines
Brushing
C310S010000
Reexamination Certificate
active
07979938
ABSTRACT:
The drive system drives a brushhead at a driving frequency. The drive system includes a frequency modulation system which changes. the driving frequency about a center frequency in such a manner, with selected frequency deviation and modulation frequency, which interacts with the resonance of the brushhead to produce a change of amplitude in the movement of the brushhead within a range of 5-30%.
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Bryant William E.
Grez Joseph W.
Hall Scott E.
Lilley Ronald C.
Pace John W.
Carter Monica S
Im Paul
Koninklijke Philips Electronics , N.V.
Newton Stephanie
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