Microwave oven having control means which reduce the risk of no-

Details Microwave oven having control means which reduce the risk of no- Microwave oven having control means which reduce the risk of no-

1986-10-16

1987-12-15

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

200153J, 219 1055C, H05B 668

Patent

active

047135140

ABSTRACT:
The invention relates to a microwave oven comprising control means which reduce the risk of no-load operation and which co-operate with an actuating element which switches on the magnetron with the aid of power-supply means depending on open and closed states of the oven door. The invention is characterized in that the control means comprise a bistable electromechanical device which responds to closures of the door by counting the number of these closures and which enables the magnetron to be energized after an even number of closures of the door, one cycle of operation of the bistable electromechanical device comprising two open states and two closed states of the door. The bistable device may comprise a lever device which actuates a pendant-type electrical switch or a remote-controlled switch.

REFERENCES:
patent: 4101750 (1978-06-01), Doner

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