Single station type ionization smoke sensor

Details Single station type ionization smoke sensor Single station type ionization smoke sensor

1978-08-17

1980-09-16

Caldwell, Sr., John W.

Communications: electrical

Condition responsive indicating system

Specific condition

252381, 353 61, G08B 1710

Patent

active

042233054

ABSTRACT:
The present invention is a single station type ionization smoke sensor which operates on a dc battery having a voltage lower than the voltage of about 9 volts usually needed for operation of ionization-type smoke sensors. The smoke sensor of the present invention includes a voltage booster means for boosting the battery voltage, a voltage detector means which detects when the boosted voltage falls below a predetermined value and an alarm energization means which energizes an alarm when an ionization type smoke detector means detects combustion products or when the voltage detector means detects a drop in the boosted voltage below the predetermined voltage.

REFERENCES:
patent: 4004288 (1977-01-01), Webb, Jr.

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