Method and device for determination of the time of turning...

Details Method and device for determination of the time of turning... Method and device for determination of the time of turning...

2007-04-10

2007-04-10

Leung, Philip H. (Department: 3742)

Electric heating

Microwave heating

With control system

C219S710000, C219S712000, C219S719000, C219S494000, C099S451000, C099S325000, C426S523000, C426S241000

Reexamination Certificate

active

11345411

ABSTRACT:
A method for the determination of a turning time of at least one cooking product, to which heat is supplied from one side during a cooking process includes a) determination of a first temperature TAin the cooking product at the beginning of the cooking process at an initial time point tAas well as of a set temperature TEof the cooking product which must exist at the end of the cooking process at the end time tE; b) acquiring of a first temperature difference between the set temperature Tsetand the first temperature TA; c) determination of at least one actual temperature Tactualin the cooking product at several times during the cooking process; d) acquiring of the time of turning tTas the time at which a second temperature difference between the set temperature Tsetand the actual temperature Tactualreaches a certain fraction of the first temperature difference; and e) outputting a signal when the time of turning tTis reached.

REFERENCES:
patent: 3373611 (1968-03-01), Trott
patent: 4230731 (1980-10-01), Tyler
patent: 4447693 (1984-05-01), Buck
patent: 6753027 (2004-06-01), Greiner et al.
patent: 2002/0063127 (2002-05-01), Jung
patent: 2003/0007544 (2003-01-01), Chang et al.
patent: 299 23 215 (2000-08-01), None
patent: 100 62 371 (2002-06-01), None
patent: WO-01/70087 (2001-09-01), None
patent: WO-03/031876 (2003-04-01), None
European Search Report issued in EP 05 290 243.4 dated Jul. 14, 2005.

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