Title:
超音波パラメトリックスピーカ
Document Type and Number:
Japanese Patent JP4251052
Kind Code:
B2
Inventors:
Koshi Akiwatari
Kita cultivation
Kenji Tsubaki
Kita cultivation
Kenji Tsubaki
Application Number:
JP2003340520A
Publication Date:
April 08, 2009
Filing Date:
September 30, 2003
Export Citation:
Assignee:
Panasonic Electric Works Co., Ltd.
International Classes:
H04R1/34; H04R3/00; B06B1/02; H04R1/40; H04R23/00
Domestic Patent References:
| JP11300274A | ||||
| JP3252299A | ||||
| JP2000050387A |
Foreign References:
| WO2001097559A1 | ||||
| WO2001015491A1 | ||||
| WO2001023104A1 |
Attorney, Agent or Firm:
Keisei Nishikawa
Atsuo Mori
Atsuo Mori