Electric heating – Microwave heating – With control system
Patent
1993-06-16
1994-12-13
Leung, Philip H.
Electric heating
Microwave heating
With control system
219706, 219714, 219723, 219754, 219518, 219502, 99325, H05B 668
Patent
active
053731450
ABSTRACT:
A cooking apparatus for heating food to be served and capable of being operated with utmost simplicity without using and choosing various cooking-mode selection keys so as to achieve superb ease-of-operation. The cooking apparatus includes a cooking chamber for placing and storing food to be heated by the apparatus and a detector for detecting a state of a door attached to the cooking chamber, the door being freely openable and closable against an opening portion of the cooking chamber. An optical sensor, having a plurality of light emitting portions is disposed in a side of the cooking chamber and a plurality of light receiving portions are disposed counter to the light emitting portions. A drive unit is provided for driving the optical sensor and a judgement unit verifies and determines a cooking mode suitable for the food placed in the cooking chamber responsive to a signal from the optical sensor, where the drive unit is activated when the detector detects that the door is closed.
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patent: 4517431 (1985-05-01), Ueda
patent: 4672181 (1987-06-01), Sakamoto et al.
patent: 4711979 (1987-12-01), Glasser et al.
patent: 4760229 (1988-07-01), Steers et al.
patent: 4785152 (1988-11-01), Hirata et al.
patent: 4868357 (1989-09-01), Serikawa et al.
Endo Sachiko
Maekawa Kaoru
Murakami Koji
Nakagawa Tatsuya
Tanaka Teruya
Kabushiki Kaisha Toshiba
Leung Philip H.
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