Cooking control circuit for cooking range

Details Cooking control circuit for cooking range Cooking control circuit for cooking range

1978-04-24

1981-05-05

Reynolds, B. A.

Electric heating

Heating devices

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

364900, 340365F, 219 1055B, 219506, H05B 906

Patent

active

042661188

ABSTRACT:
A plurality of ON-OFF switch type operating keys are connected through respective "AND" gates to an encoder which delivers coded signals as predetermined by the operated keys to a micro-computer where a cooking program is instituted. A switch connected to the control inputs of the "AND" gates is closed to disable the outputs from the operated keys. Alternatively the keys may be arranged in a matrix and connected to an encoder. The keys are scanned with scan signals applied to the matrix from the micro-computer through the normally closed contact of a switch. The switch may be opened to disable the outputs from the operated keys. A cooking range is controlled in accordance with the cooking program.

REFERENCES:
patent: 3471789 (1969-10-01), Nutting et al.
patent: 3911408 (1975-10-01), Zobel
patent: 3932723 (1976-01-01), Tamano et al.
patent: 3974472 (1976-08-01), Gould, Jr.
patent: 4011428 (1977-03-01), Fosnough et al.
patent: 4034339 (1977-07-01), Free et al.
patent: 4057738 (1977-11-01), Nishimura
"Solid State Controls For Appliances," James Stevens, Appliance Dec. 1976, pp. 30-31.
TMS 1000 Series Support Circuit TMS 1976 JL.NL. "Capacitive-Touch-Keyboard-To-MOS-Interface" 1-1976, Texas Instruments Incorp.

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