Title:
Loud speaker system with dual electromagnetic assembly
Document Type and Number:
Japanese Patent JP6286158
Kind Code:
B2
Inventors:
Chen Yi Jen
Application Number:
JP2013188868A
Publication Date:
February 28, 2018
Filing Date:
September 11, 2013
Export Citation:
Assignee:
Chen Yi Jen
International Classes:
H04R9/04; H04R1/40
Domestic Patent References:
| JP9238393A | ||||
| JP9070092A | ||||
| JP2001008284A |
Foreign References:
| US5119431 | ||||
| GB2418559A |
Attorney, Agent or Firm:
Etsushi Kotani
Masataka Otani
Tamagushi Yukihisa
Masataka Otani
Tamagushi Yukihisa