US3636278A
(en )
1972-01-18
Acoustic transducer with a diaphragm forming a plurality of adjacent narrow air spaces open only at one side with the open sides of adjacent air spaces alternatingly facing in opposite directions
US4273968A
(en )
1981-06-16
Electroacoustic transducer with magnetic flux directed slantly across a diaphragm
US5715324A
(en )
1998-02-03
Speaker having magnetic circuit
AU663742B2
(en )
1995-10-19
Balanced armature transducers with transverse gap
US9906868B2
(en )
2018-02-27
Miniature speaker
CN1585565B
(zh )
2011-02-09
扬声器
CN103597852B
(zh )
2016-10-12
具有低厚度和高行程的电机械-电声换能器及其制造方法
KR101587477B1
(ko )
2016-01-21
초박형 스피커
KR20180057045A
(ko )
2018-05-30
하이브리드 스피커
CN117915249B
(zh )
2024-08-09
发声器件
GB2527533A
(en )
2015-12-30
Moving coil drive unit and audio drivers incorporating the same
JPH06133394A
(ja )
1994-05-13
スピーカの構造
JPS599513Y2
(ja )
1984-03-26
電気音響変換器
BE439377A
(enExample )
JP2006279797A
(ja )
2006-10-12
動電型スピーカー
WO2020078247A1
(zh )
2020-04-23
一种扬声器磁路系统及扬声器
BE435547A
(enExample )
US11553279B1
(en )
2023-01-10
Electromagnetic transducer and loudspeaker
JP4690942B2
(ja )
2011-06-01
スピーカ装置の製造方法およびスピーカ装置の組立治具
US6289101B1
(en )
2001-09-11
Telephone receiver having a hollow portion
US12348946B1
(en )
2025-07-01
Voice coil and speaker without coil former
US1963075A
(en )
1934-06-19
Device for producing sound
BE502653A
(enExample )
US20240406637A1
(en )
2024-12-05
Electroacoustic transducer
JP3510827B2
(ja )
2004-03-29
高音用スピーカ