Title:
An electric machinery-and-electric-appliances sound converter with which it had a range as thin and Takamichi, and a related manufacturing method
Document Type and Number:
Japanese Patent JP6061105
Kind Code:
B2
Abstract:
An electroacoustic transducer has a ring-shaped magnetic assembly that generates a magnetic field, an elastic suspension connected to the magnetic assembly, a support connected to the elastic suspension and supporting a coil adapted to move in the magnetic field generated by the magnetic assembly, and an acoustic membrane connected to the support of the coil in order to vibrate and emit a sound. The magnetic assembly has a thin housing and support structure made of non-magnetic material, and a plurality of magnets with magnetic axis (A) and axial anisotropy, said magnets being disposed side by side, inside said thin housing and support structure that acts as bearing structure for the transducer and as containment structure for the magnets.
Inventors:
Selva Dio, Maurizio
Application Number:
JP2014515139A
Publication Date:
January 18, 2017
Filing Date:
June 06, 2012
Export Citation:
Assignee:
Selva Dio, Maurizio
International Classes:
H04R9/02; H04R7/12; H04R7/14; H04R31/00
Domestic Patent References:
| JP2003023695A | ||||
| JP9503635A | ||||
| JP2001326992A |
Attorney, Agent or Firm:
▲吉▼川 俊雄
Kana Ichikawa
Kana Ichikawa