Patent.No |
Patent.Type |
Patent.Name |
Application.Date |
Registration Authority |
201220441685X |
Utility model |
A balanced armature unit used for loudspeaker devices |
2012-9-3 |
SIPO |
2017103057749 |
Invention |
Diaphragm and its production method |
2017-5-3 |
SIPO |
2016108742511 |
Invention |
Speaker and its voice coil |
2016-9-30 |
SIPO |
2016108571077 |
Invention |
A ball top and electroacoustic transducer for an electroacoustic transducer |
2016-9-27 |
SIPO |
2016106270287 |
Invention |
Diaphragm and its coating method |
2016-8-2 |
SIPO |
201610628763x |
Invention |
Vibration membrane and its preparation method |
2016-8-2 |
SIPO |
2016100188912 |
Invention |
Vibration film making process of moving iron unit |
2016-1-12 |
SIPO |
2015101763809 |
Invention |
An assembly fixture and assembly method for coils and balanced armature units |
2015-4-14 |
SIPO |
2015101764619 |
Invention |
A method for making and treating iron of balanced armature unit |
2015-4-14 |
SIPO |
2015100676786 |
Invention |
An efficient method for producing diaphragm of balanced armature units |
2015-2-9 |
SIPO |
2014107350260 |
Invention |
A production process of vibration film of a balanced armature unit |
2014-12-4 |
SIPO |
2014106103891 |
Invention |
A balanced armature unit magnetic drive mechanism for reducing low frequency distortion |
2014-11-3 |
SIPO |
2014106106086 |
Invention |
A magnetic driving mechanism which improves the low and high frequency performance of the balanced armature unit |
2014-11-3 |
SIPO |
2014105076488 |
Invention |
The articulation unit of a type of coaxial earphone with the dynamic and the balanced armature |
2014-9-28 |
SIPO |
2014104593805 |
Invention |
A sound component of a headphone or speaker |
2014-9-10 |
SIPO |