H - Electricity – 04 – R
Patent
H - Electricity
04
R
H04R 11/00 (2006.01) H04R 11/02 (2006.01)
Patent
CA 2146969
This invention relates to electroacoustic transducers of the type which incorporate a reed armature. Thus a transducer (10) comprises a coil (12), magnets (13, 14), pole pieces (15, 16) and a reed armature (17), which passes through a central tunnel (18) defined the coil. A central portion (19) of the reed (17) lies within the tunnel and has opposed formation (20, 21) which limit the possible deflection of the reed (17). Other deflection limiting arrangements are described.
Cette invention se rapporte à des transducteurs électroacoustiques du type comprenant un induit à lame souple. Ainsi, un transducteur (10) comprend une bobine (12), des aimants (13, 14), des pièces polaires (15, 16) et un induit à lame souple (17) qui passe à travers un passage central (18) défini par la bobine. Une partie centrale (19) de la lame (17) se situe à l'intérieur du passage et présente des structures opposées (20, 21) qui limitent la déflexion possible de la lame (17). D'autres agencements permettant de limiter la déflexion sont également décrits.
Harrington Steven John
Salvage Richard James
Knowles Electronics Co.
Mcfadden Fincham
LandOfFree
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