Electrical appliance with delayed warning alarm

Details Electrical appliance with delayed warning alarm Electrical appliance with delayed warning alarm

1983-01-07

1985-09-17

Paschall, M. H.

Electric heating

Heating devices

With power supply and voltage or current regulation or...

219492, 219507, 219509, 340655, H05B 102

Patent

active

045422842

ABSTRACT:
In combination with an electrical appliance, an automatic warning circuit to warn a user of an electrical hazard wherein the warning circuit comprises a timing circuit responsive to turn-off of the electrical appliance for generating a triggering signal after lapse of a predetermined time period after turn-off thereby to energize an audible alarm. The timing circuit and alarm are useful for warning a user of the appliance of an electrical safety hazard brought out by the appliance being connected to a power line while not being used.

REFERENCES:
patent: 1759805 (1930-05-01), Pollock et al.
patent: 1935771 (1930-11-01), Feurstein et al.
patent: 2532647 (1950-12-01), Sillers
patent: 2970228 (1961-01-01), White et al.
patent: 3505664 (1970-04-01), Morris
patent: 3815110 (1974-06-01), Davidson
patent: 3846777 (1974-11-01), Brown
patent: 3866204 (1975-02-01), Barkley
patent: 3878540 (1975-04-01), Kawai
patent: 3945728 (1976-03-01), Crandell
patent: 3962696 (1976-06-01), Smith et al.
patent: 4016428 (1977-04-01), Gutterman
patent: 4028691 (1977-06-01), Zeder
patent: 4044348 (1977-08-01), Huebscher
patent: 4080598 (1978-03-01), Cardone
patent: 4203101 (1980-05-01), Towsend
patent: 4218717 (1980-08-01), Shuster
patent: 4339649 (1982-07-01), Hronchek

Affiliated with

Also associated with

Rating

Electrical appliance with delayed warning alarm does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Electrical appliance with delayed warning alarm, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electrical appliance with delayed warning alarm will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-371333