Environmental protection system useful for the fire detection an

Details Environmental protection system useful for the fire detection an Environmental protection system useful for the fire detection an

1992-03-02

1992-08-11

Teska, Kevin J.

Boots, shoes, and leggings

340501, 364481, 36457101, 36457106, G06F 1520, G08B 1900

Patent

active

051385627

ABSTRACT:
An environmental detection system particularly useful for fire detection and suppression is provided which ensures high reliability in operation and high reliability in preventing false operation. The preferred system includes a microprocessor-based, software-governed, control panel connected to one or more detector loops. Each loop includes a plurality of parallel-coupled, addressable detectors which send analog signals to the control panel representative of an environmental parameter such as smoke obscuration along with reference and identification signals. The preferred system provides automatic calibration and test of the detectors, automatic testing under load of the backup batteries, flexibility in defining the protective scheme, and storage of history information concerning system alarms and troubles. The preferred system also verifies alarm conditions before actuating an alarm or discharging a fire suppressant.

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patent: 4507652 (1985-03-01), Vogt et al.
patent: 4514720 (1985-04-01), Oberstein et al.
patent: 4543565 (1985-09-01), Oberstein et al.
patent: 4555695 (1985-11-01), Machida et al.
patent: 4887291 (1989-12-01), Stillwell
patent: 4930095 (1990-05-01), Yuchi et al.

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