Brushing – scrubbing – and general cleaning – Implements – Combined
Patent
1999-12-13
2000-12-05
Chin, Randall E.
Brushing, scrubbing, and general cleaning
Implements
Combined
151671, A46B 1500, A46B 904
Patent
active
061549126
ABSTRACT:
A water-proof electronic sound and light tooth brush including a handle and a brush head. The handle is a hollow body formed from a light permeable material, and is adapted to receive a sound and light control device. A tail end thereof is provided with a resonance box. The sound and light control device includes a battery adapted to provide electric power, and a contact switch for actuating a micro central processing unit. The contact switch includes a metal sleeve having an opening and accommodating therein a movable metal ball, the opening of the metal sleeve facing a metal piece remote from the metal sleeve in a non-contact relationship, such that the metal sleeve and the metal piece respectively contact the positive and negative terminals. Furthermore, the micro central processing unit is connected to a music integrated circuit and a speaker thereof. The speaker is provided near an elastic water-proof sound permeable film of the resonance box. The micro central processing unit is further connected to a large-size light emitting diode, and an array of small-sized light emitting diodes, such that the large-size LED is disposed in a hollow connecting portion between the handle and the brush head.
REFERENCES:
patent: 4253212 (1981-03-01), Fujita
patent: 5044037 (1991-09-01), Brown
patent: 5133102 (1992-07-01), Sakuma
patent: 5134743 (1992-08-01), Hukuba
patent: 5572762 (1996-11-01), Scheiner
patent: 5673451 (1997-10-01), Moore
patent: 5924159 (1999-07-01), Haitin
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