Electric heating – Heating devices – With power supply and voltage or current regulation or...
Patent
1999-05-04
2000-10-31
Paschall, Mark
Electric heating
Heating devices
With power supply and voltage or current regulation or...
219518, 219492, 219506, 99329R, 99331, H05B 102
Patent
active
06140621&
ABSTRACT:
A toast oven is controlled by a microprocessor that is programmed to selectively determine each toasting time in accordance with a user selected toasting requirement and with an initial oven temperature. In this way the toasting time is automatically adjusted to take into account the oven temperature at the beginning of each toasting cycle. The user therefore does not have to make subjective manual adjustments to produce consistent toasting results. A time display on a panel, controlled by the microprocessor, indicates the remaining toasting time during each toasting cycle.
REFERENCES:
patent: 4168421 (1979-09-01), Ito
patent: 4345145 (1982-08-01), Norwood
patent: 4894518 (1990-01-01), Ishikawa et al.
patent: 5128521 (1992-07-01), Lanno et al.
patent: 5414243 (1995-05-01), Snell et al.
patent: 5705791 (1998-01-01), Sutton et al.
Ho Hoo-Yin
Li Wing-Chung
Liu Kwok-Fai
Paschall Mark
Simatelex Manufactory Co. Ltd.
Walker L.L.P. Jackson
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