Title:
【発明の名称】円筒形カーディオイドハイドロホン
Document Type and Number:
Japanese Patent JP3002722
Kind Code:
B2
Inventors:
Hiroyuki Mikami
Application Number:
JP10630397A
Publication Date:
January 24, 2000
Filing Date:
April 23, 1997
Export Citation:
Assignee:
Director General, Technical Research Division, Defense Agency
International Classes:
H04R1/44; G01S7/521; H04R17/00; (IPC1-7): H04R1/44; G01S7/521; H04R1/44; H04R17/00
Domestic Patent References:
| JP5300584A | ||||
| JP4142485A | ||||
| JP1146695U |
Attorney, Agent or Firm:
Norimitsu Nishimura