Electric heating – Heating devices – With current connection and/or disconnection means
Patent
1987-12-16
1989-05-23
Leung, Philip H.
Electric heating
Heating devices
With current connection and/or disconnection means
219 1055B, 99325, 340686, H05B 102
Patent
active
048333042
ABSTRACT:
A heating appliance for heating an object within a heating chamber. In the heating chamber are formed rack rails on which a table is located and a heater. The rack rails are stepwise arranged so as to allow the table to take a desired position corresponding to the kind of an object to be heated. The heating applicance includes a distance-measuring sensor for measuring a distance to the table means or the object. A control unit, may comprising a known microcomputer, controls the heater on the basis of the distance measured by the sensor so as to appropriately heat the object in accordance with its kind.
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"Ultrasonic Ceramic Microphones and their Applications" by Kozo Kawasaki et al; National Technical Report, vol. 29, No 3 (Jun. 1983) pp. 140-150.
Leung Philip H.
Matsushita Electric - Industrial Co., Ltd.
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