Vibrator and related apparatus for providing vibration in...

Details Vibrator and related apparatus for providing vibration in... Vibrator and related apparatus for providing vibration in...

2006-01-10

2006-01-10

Mullins, Burton (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Oscillating

C310S081000

Reexamination Certificate

active

06984903

ABSTRACT:
A vibrator, applicable to a cell-phone or a pager for providing vibration in different directions to signal incoming messages. The vibrator includes a housing and an eccentric cam. The cam is capable of rotating around an axle to provide vibration along a horizontal plane perpendicular to the axle. In the first embodiment of the invention, an engaging structure (like a trail around the axis with different attitude with respect to the horizontal plane) is installed on the housing such that the cam is engaged to move up and down along the axle to provide vibration along an axial direction. In the second embodiment of the invention, at least a vibrating body, capable of sliding along the axial direction, is installed on the housing, such that when the cam rotates, the vibrating body is engaged to move up and down to provide vibration along the axis.

REFERENCES:
patent: 3801841 (1974-04-01), Hall
patent: 5036239 (1991-07-01), Yamaguchi
patent: 6479914 (2002-11-01), Yoshida et al.
patent: 6-303735 (1994-10-01), None
patent: 2001-340811 (2001-12-01), None

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