Bread toaster

Details Bread toaster Bread toaster

1989-12-20

1990-12-11

Simone, Timothy F.

Foods and beverages: apparatus

Cooking

Automatic control

99329R, 99329RT, 99333, 99385, 219411, 219413, 219492, A47J 3708, H05B 102

Patent

active

049761943

ABSTRACT:
A bread toaster comprising a comparator circuit with a sensor responsive to infrared radiation to determine the toasting time of an object to be toasted is extended by a control circuit. The latter detects automatically, whether the bread toaster is used for toasting an object to be toasted that is introduced through a loading and unloading opening into its toasting chamber (toasting operation) or for warming up a respective item which is placed on top of the loading and unloading opening (warming-up operation). The control circuit controls during the toasting operation the operating time of the bread toaster in dependence upon the toasting degree adjusted by the user, while it puts the bread toaster into operation for a fixed period of time during the warming-up operation.

REFERENCES:
patent: 4130853 (1978-12-01), Baker
patent: 4238995 (1980-12-01), Polster
patent: 4296312 (1981-10-01), Salem
patent: 4346651 (1982-08-01), Schickedanz
patent: 4430557 (1984-02-01), Eichelberger et al.
patent: 4510376 (1985-04-01), Schneider
patent: 4645909 (1987-02-01), Thoben et al.
patent: 4727799 (1988-03-01), Ohshima et al.
patent: 4734562 (1988-03-01), Amano et al.
Siemens AG, Bereich Bauelemente, "Programmierbarer Digitaler Langzeittimer SAB 0529", Siemens Components 22 (1984), pp. 18-21.

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