Title:
FIRE ALARMING DEVICE
Document Type and Number:
Japanese Patent JP3236735
Kind Code:
B2
Abstract:
PURPOSE: To preserve gathered data if a sub-CPU which gathers data from analog sensors gets out of order and to reduce watched area.
CONSTITUTION: A receiver 1 has multi-CPU consisting of an M(main-CPU unit 100 and S(sub)-CPU units 101-10n provided by sensor lines L1-Ln. If one of the S-CPU units 101-10n gets out of order, the gathered data stored in the memory part 35 of the faulty S-CPU unit are saved in the memory part 25 of the M-CPU unit 100. The data saved in the memory part 25 are transferred to the memory 35 of the sub-CPU unit which is repaired or a replacing sub-CPU unit.
Inventors:
Haruchika Machida
Application Number:
JP17495194A
Publication Date:
December 10, 2001
Filing Date:
July 27, 1994
Export Citation:
Assignee:
Hochiki Co., Ltd.
International Classes:
G08B25/00; G08B17/00; G08B29/16; (IPC1-7): G08B25/00; G08B17/00; G08B29/16
Domestic Patent References:
| JP2168395A | ||||
| JP239648A | ||||
| JP3150697A | ||||
| JP6111148A | ||||
| JP359800A |
Attorney, Agent or Firm:
Susumu Takeuchi (1 person outside)
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