Title:
EMERGENCY WARNING SYSTEM
Document Type and Number:
Japanese Patent JPS531496
Kind Code:
A
Inventors:
HARAKAWA GENICHIROU
Application Number:
JP7543176A
Publication Date:
January 09, 1978
Filing Date:
June 28, 1976
Export Citation:
Assignee:
HARAKAWA GENICHIROU
International Classes:
G08B21/00; G08B23/00; G08B25/00; G08B25/01; G08B27/00; H04N7/10; H04N7/16; H04N7/18; (IPC1-7): G08B23/00; G08B25/00; H04N7/10; H04N7/18
Domestic Patent References:
| JPS4855647A | 1973-08-04 |
Next Patent: ALARM UNIT HAVING WAITING FUNCTIONS