Title:
インピーダンス増減回路
Document Type and Number:
Japanese Patent JP6725781
Kind Code:
B2
Inventors:
Takeshi Ofuji
Application Number:
JP2018231900A
Publication Date:
July 22, 2020
Filing Date:
December 11, 2018
Export Citation:
Assignee:
Audio Design Co., Ltd.
International Classes:
H03H11/46; H04R3/00
Domestic Patent References:
| JP201947271A | ||||
| JP677333U | ||||
| JP441609Y2 | ||||
| JP5239347A | ||||
| JP3121275U |
Attorney, Agent or Firm:
Nishitani Toyohiro