Combination photoelectric and ionization smoke detector

Details Combination photoelectric and ionization smoke detector Combination photoelectric and ionization smoke detector

1995-06-07

1997-05-27

Tokar, Michael J.

Radiant energy

Invisible radiant energy responsive electric signalling

Including a radiant energy responsive gas discharge device

250382, 250384, 2503851, 250554, 356338, 356339, 340628, 340629, 340630, 340577, 340579, 431 79, G01T 1185, G01N 2127

Patent

active

056335016

ABSTRACT:
An ionization chamber for use in a smoke detector includes first and second outer electrodes and a non-reflective center electrode. The non-reflective center electrode can be formed as a metal electrode having a non-reflective coating or as a non-reflective, conductive plastic elements. The ionization chamber can be incorporated into combination smoke detector which includes a photoelectric sensor. A non-reflective center electrode, associated with the ion-type sensor is symmetrically located in the detector and displaced from the photoelectric sensor.

REFERENCES:
patent: 3514602 (1970-05-01), Rhodes
patent: 3609435 (1971-09-01), Taylor
patent: 4225860 (1980-09-01), Conforti
patent: 4456907 (1984-06-01), Johnson
patent: 4469953 (1984-09-01), Fujisawa et al.
patent: 4622432 (1986-11-01), Yamazaki
patent: 4631412 (1986-12-01), Turlej
patent: 4761557 (1988-08-01), Sasaki et al.
patent: 4786811 (1988-11-01), Sasaki
patent: 5160916 (1992-11-01), Ishi et al.
patent: 5351034 (1994-09-01), Berger et al.
patent: 5399864 (1995-03-01), Igarashi et al.
patent: 5485144 (1996-01-01), Amleshi et al.

Affiliated with

Also associated with

Rating

Combination photoelectric and ionization smoke detector does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Combination photoelectric and ionization smoke detector, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Combination photoelectric and ionization smoke detector will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2331006