Title:
【発明の名称】圧電サウンダ
Document Type and Number:
Japanese Patent JP3136628
Kind Code:
B2
Inventors:
Masayuki Watanabe
Application Number:
JP5845491A
Publication Date:
February 19, 2001
Filing Date:
March 22, 1991
Export Citation:
Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
G10K9/22; G10K9/12; G10K9/122; H04R17/00; (IPC1-7): G10K9/22; G10K9/122
Domestic Patent References:
| JP6344599U |
Attorney, Agent or Firm:
Fumio Iwahashi (2 others)