Title:
FIRE ALARM
Document Type and Number:
Japanese Patent JP3815365
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a fire alarm prevented from issuing an alarm more than necessary.
SOLUTION: This fire alarm issues the alarm under specific conditions, a stop signal is issued by operation of a stop switch 2, and the alarm is once stopped. This alarm is provided with a short time mode stopping the alarm for a short time by issuing the stop signal once during the alarming and a long time mode stopping the alarm for a long time by issuing the stop signals a plurality of times in a prescribed time during the alarming. This alarm is characterized in that the prescribed time is set longer than the alarm stop time by the short time mode.
Inventors:
Yasuyuki Kawano
Application Number:
JP2002114755A
Publication Date:
August 30, 2006
Filing Date:
April 17, 2002
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS,LTD.
International Classes:
G08B17/00; (IPC1-7): G08B17/00
Domestic Patent References:
| JP4297990A | ||||
| JP9027090A | ||||
| JP2002005679A |
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