Clothes dryer with chiming alarm

Details Clothes dryer with chiming alarm Clothes dryer with chiming alarm

1996-12-10

1998-12-01

Bennett, Henry A.

Drying and gas or vapor contact with solids

Apparatus

With automatic control

34526, 34527, 3403846, 3403843, 368255, 368250, F26B 1310

Patent

active

058422889

ABSTRACT:
A solid state alarm for a clothes dryer receives a line voltage signal prior to termination of the tumbling cycle to provide a series of pulses with decaying amplitudes driving a piezoelectric-type transducer. A timer terminating the series of pulses communicates with a pulse generating oscillator so as to eliminate partial pulsing at the conclusion of the alarm signal.

REFERENCES:
patent: 3599342 (1971-08-01), Cotton
patent: 3783529 (1974-01-01), Miller et al.
patent: 4213121 (1980-07-01), Learn et al.
patent: 4401975 (1983-08-01), Ferguson et al.
patent: 4437088 (1984-03-01), Ferguson
patent: 4697932 (1987-10-01), Matievic
patent: 4827627 (1989-05-01), Cardoso
patent: 4980669 (1990-12-01), Knowles
patent: 5398024 (1995-03-01), Knowles

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