Title:
【発明の名称】エコーキヤンセラ装置
Document Type and Number:
Japanese Patent JP2596176
Kind Code:
B2
Inventors:
Eiki Ito
Application Number:
JP12556690A
Publication Date:
April 02, 1997
Filing Date:
May 17, 1990
Export Citation:
Assignee:
NEC
International Classes:
H03H21/00; H04B3/23; (IPC1-7): H04B3/23; H03H21/00
Domestic Patent References:
| JP60260235A |
Attorney, Agent or Firm:
Masaki Yamakawa (3 outside)