Smoke detector with switch means for increasing the sensitivity

Details Smoke detector with switch means for increasing the sensitivity Smoke detector with switch means for increasing the sensitivity

Filed on

1977-05-19

Date issued

1978-07-18

Examiner

Nelms, David C.

Patent Class

Radiant energy

SubClass

Photocells; circuits and apparatus

SubSubClass

Optical or pre-photocell system

Other Related Categories

340501, 356207, 340630, G01N 2126

Type

Patent

Status

active

Patent number

041017854

Description

ABSTRACT:
A smoke detector having manual means or automatic timing means for changing the sensitivity of response.

REFERENCES:
patent: 3447370 (1969-06-01), Tanzman
patent: 3809913 (1974-05-01), Prellwitz
patent: 3936814 (1976-02-01), Girard

Affiliated with

Also associated with

Rating

Smoke detector with switch means for increasing the sensitivity does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Smoke detector with switch means for increasing the sensitivity, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Smoke detector with switch means for increasing the sensitivity will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-341089