Dental hygiene instruction display

Details Dental hygiene instruction display Dental hygiene instruction display

1989-05-15

1990-06-19

Apley, Richard J.

Education and demonstration

Anatomy, physiology, therapeutic treatment, or surgery...

Dentistry

446485, 446395, 40442, A45D 4418

Patent

active

049349406

ABSTRACT:
A dental hygiene instructional display using a humanoid figure providing a facial expressing exhibiting representations of human teeth in adjacent upper and lower jaws. The teeth are divided into sectors and a pair of light emitting diodes of different colors are dedicated to flashingly illuminate each of the sectors, in sequence. A circuit for controlling illumination of the light emitting diodes adjustably controls both the duration of the period of brushing devoted to each sector, as well as the flash period during illumination of each cycle.

REFERENCES:
patent: 2926487 (1960-03-01), Stone
patent: 3170265 (1965-02-01), Goldfarb
patent: 3783364 (1974-01-01), Gallanis et al.
patent: 3998234 (1976-12-01), Stubbmann
patent: 4447212 (1984-05-01), Swift et al.
patent: 4716614 (1988-01-01), Jones et al.
patent: 4752273 (1988-06-01), Woods

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