Horizontal linear vibrator

Details Horizontal linear vibrator Horizontal linear vibrator

2011-08-16

2011-08-16

Hanh, Nguyen N (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Reciprocating

C310S025000, C310S017000

Reexamination Certificate

active

07999421

ABSTRACT:
The present invention provides a horizontal linear vibrator which can reduce the thickness but increase the strength of vibrations while at the same time guaranteeing a sufficiently long lifetime and satisfactory responsivity. The horizontal linear vibrator includes a casing, a bracket, a vibration unit and springs. The casing defines an internal space therein. A first magnet is attached to an upper plate of the casing. The bracket is coupled to the lower end of the casing. The second magnet is attached to the bracket such that different poles of the first and second magnets face each other. The vibration unit has a weight, and a cylindrical coil which is provided in or under the weight. The springs are coupled to the sidewall plates of the casing or the bracket. The springs elastically support the vibration unit to allow the vibration unit to vibrate in the horizontal direction.

REFERENCES:
patent: 7671493 (2010-03-01), Takashima et al.
patent: 2004/0150277 (2004-08-01), Moriyasu
patent: 2010/0045118 (2010-02-01), Hamura et al.

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