Title:
Double diaphragm type speaker module
Document Type and Number:
Japanese Patent JP6082846
Kind Code:
B2
Inventors:
Yang Ken
Echo
Echo
Application Number:
JP2016514248A
Publication Date:
February 15, 2017
Filing Date:
December 13, 2013
Export Citation:
Assignee:
Song Voice Learning Co., Ltd.
International Classes:
H04R9/02; H04R1/02; H04R1/22; H04R7/02
Domestic Patent References:
| JP62051900A | ||||
| JP2001224088A |
Attorney, Agent or Firm:
Cleo International Law & Patent Office