Title:
【発明の名称】在室表示システム
Document Type and Number:
Japanese Patent JP3093308
Kind Code:
B2
Inventors:
Mitsuo Ohora
Application Number:
JP7968491A
Publication Date:
October 03, 2000
Filing Date:
April 12, 1991
Export Citation:
Assignee:
Aichi Clock Electric Co., Ltd.
International Classes:
E05B41/00; G08B5/00; G08B5/22; G08B21/00; G08B21/22; (IPC1-7): G08B5/22; E05B41/00; G08B21/22
Domestic Patent References:
| JP6126200A | ||||
| JP356824A | ||||
| JP1119733A | ||||
| JP63104568U | ||||
| JP6414870U |
Attorney, Agent or Firm:
Yoshimichi Hasegawa