Vibration motors and electronic devices utilizing the same

Details Vibration motors and electronic devices utilizing the same Vibration motors and electronic devices utilizing the same

2005-04-28

2008-11-04

Mullins, Burton (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S036000

Reexamination Certificate

active

07446445

ABSTRACT:
A vibration motor and an electronic device utilizing the same. The vibration motor is disposed in a housing to abut the housing. A first case is disposed in the housing. A second case is combined with the first case. A magnet and a rotor are disposed between the first and second cases. A shaft passes through the magnet, the rotor, and the second case, and is rotatably disposed on the first case. A weight is exposed by the second case, and connected to the shaft passing through the second case. The weight rotates along with the shaft to generate vibration. The vibration of the weight is transmitted to the housing.

REFERENCES:
patent: 5471103 (1995-11-01), Fujii
patent: 5942833 (1999-08-01), Yamaguchi
patent: 6011333 (2000-01-01), Yamaguchi et al.
patent: 6246143 (2001-06-01), Yamaguchi
patent: 6365995 (2002-04-01), Fukuda et al.
patent: 6628025 (2003-09-01), Ibata et al.
patent: 6919655 (2005-07-01), Jao
patent: 6998742 (2006-02-01), Yamaguchi et al.

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