Electric heating – Heating devices – With power supply and voltage or current regulation or...
Patent
1993-05-28
1994-12-13
Leung, Philip H.
Electric heating
Heating devices
With power supply and voltage or current regulation or...
219720, 219719, 219702, 99325, H05B 668
Patent
active
053731425
ABSTRACT:
A control control system for a heating apparatus such as a microwave oven. Manipulation, that is, selection of one of various menus and start of the operation thereof substantially completed by manipulating only one manipulating knob without using keys which are widely distributed on a manipulation panel, consequently, it is possible to simplify selection of a menu.
REFERENCES:
patent: 4430540 (1984-02-01), Scalf
patent: 4459449 (1984-07-01), Hirata
patent: 4517428 (1985-05-01), Matsushima
patent: 4841125 (1989-06-01), Edamura
patent: 4918293 (1990-04-01), McGeorge
Harima Masanori
Itoh Tomokazu
Kawase Tomoyuki
Konno Kiyoaki
Mizuma Kensuke
Leung Philip H.
Matsushita Electric - Industrial Co., Ltd.
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