Smoke detector

Details Smoke detector Smoke detector

2007-09-14

2010-10-26

Pham, Toan N (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S628000, C340S630000, C340S693600

Reexamination Certificate

active

07821412

ABSTRACT:
A smoke detector replaces the americium source of alpha particles with a field emission device using carbon nanotubes as the field emitters, or some other field emitter, in order to provide an ionization of the air potentially caring smoke particles through the smoke detector.

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