Multifunctional actuator and mobile terminal

Details Multifunctional actuator and mobile terminal Multifunctional actuator and mobile terminal

2004-02-25

2009-10-06

Kuntz, Curtis (Department: 2614)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Electromagnetic

C381S334000, C381S336000, C335S222000

Reexamination Certificate

active

07599510

ABSTRACT:
The present invention is a multifunctional actuator including a magnetic circuit, a suspension that supports the magnetic circuit, a diaphragm positioned facing the magnetic circuit, and a voice coil that is mounted on the diaphragm and inserted in a circular air gap of the magnetic circuit, comprising a housing to accommodate the magnetic circuit, and a cover to cover an open end of the housing, wherein a sound release gap is formed between an outer periphery of the housing and a side wall of the cover for communication between the inside and outside of said housing. Thereby, it can prevent the infiltration of foreign matter into the housing without attaching a dust mesh or non-woven fabric over the sound release hole.

REFERENCES:
patent: 5953436 (1999-09-01), Zimmermann
patent: 6211775 (2001-04-01), Lee et al.
patent: 6570993 (2003-05-01), Fukuyama
patent: 6678387 (2004-01-01), Kemmerer
patent: 6850138 (2005-02-01), Sakai
patent: 7181040 (2007-02-01), Ohta
patent: 2001/0030474 (2001-10-01), Sakai et al.
patent: 2003/0081807 (2003-05-01), Furuya
patent: 10-187160 (1998-07-01), None
patent: 2000-325881 (2000-11-01), None
patent: 2001-102769 (2001-04-01), None
patent: 2001-225010 (2001-08-01), None
patent: 2001293436 (2001-10-01), None
patent: 2001-353471 (2001-12-01), None
patent: 2002219413 (2002-06-01), None

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