Title:
電圧供給回路、マイクユニットおよびマイクユニットの感度調整方法
Document Type and Number:
Japanese Patent JP4390716
Kind Code:
B2
Inventors:
Niwa Fumiyuki
Hiroshige Kinoshita
Masayuki Ida
Hiroshige Kinoshita
Masayuki Ida
Application Number:
JP2005001380A
Publication Date:
December 24, 2009
Filing Date:
January 06, 2005
Export Citation:
Assignee:
NEC Electronics Corporation
International Classes:
H04R3/00; G05F1/56; H04R1/20
Domestic Patent References:
| JP2005287050A | ||||
| JP6054393A | ||||
| JP6104977A | ||||
| JP63009233A | ||||
| JP2006087074A | ||||
| JP2006191360A | ||||
| JP2145012A |
Foreign References:
| US4541112 |
Attorney, Agent or Firm:
Ken Ieiri