Front programmable timer for a microwave oven

Details Front programmable timer for a microwave oven Front programmable timer for a microwave oven

1981-11-23

1984-02-14

Envall, Jr., Roy N.

Electric heating

Metal heating

Of cylinders

219 1055M, 3403094, H05B 906

Patent

active

044318936

ABSTRACT:
A front programmable timer provides for the programming, selecting, and operating according to desired operating times in a set of input switches for a microwave oven controller. Retention of the times programmed is provided for in the event of loss of power. A TEST mode provides for exercising a visible display, an audible indicator and a microwave command output signal from the controller. A tamper-proof switch assembly is provided to select OPERATE or PROGRAM modes.

REFERENCES:
patent: 3569656 (1971-03-01), White
patent: 3735081 (1973-05-01), Foerstner
patent: 3846607 (1974-11-01), Bucksbaum
patent: 4131786 (1978-12-01), Cooper
patent: 4158432 (1979-06-01), van Bavel
patent: 4158759 (1979-06-01), Mason
patent: 4266118 (1981-05-01), Takase et al.
patent: 4295027 (1981-10-01), Zushi et al.

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