Title:
【考案の名称】集合住宅監視通話システムの警報監視盤切換ユニット
Document Type and Number:
Japanese Patent JP2532076
Kind Code:
Y2
Inventors:
Tomoyuki Inoue
Application Number:
JP15403888U
Publication Date:
April 09, 1997
Filing Date:
November 25, 1988
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS,LTD.
International Classes:
G08B19/00; G08B25/00; G08B25/04; H04M9/00; H04M11/00; H04M11/04; (IPC1-7): H04M11/04; H04M11/00
Domestic Patent References:
| JP60125049A | ||||
| JP60125050A | ||||
| JP60125051A | ||||
| JP61125699A |
Attorney, Agent or Firm:
Hiroyuki Nakai