Title:
【発明の名称】警報保護回路
Document Type and Number:
Japanese Patent JP3005731
Kind Code:
B2
Inventors:
Katsunobu Shimanuki
Application Number:
JP34811491A
Publication Date:
February 07, 2000
Filing Date:
December 04, 1991
Export Citation:
Assignee:
NEC Engineering Co., Ltd.
International Classes:
G08B3/10; G08B21/00; H04Q9/00; (IPC1-7): G08B3/10; G08B21/00
Attorney, Agent or Firm:
▲柳▼川 信