G - Physics – 03 – G
Patent
G - Physics
03
G
309/107, 341/32.
G03G 15/00 (2006.01) G03G 15/20 (2006.01)
Patent
CA 1250013
ABSTRACT A rotatable drum (11) with an incorporated electric heater (27) and an electric temperature sensor (28) and, outside of the drum, an electric supply (30) for heating the heater and a D.C. supply (31) for producing a constant electric current through the sensor, wherein the electric connections with the drum occur over two sliding contacts (89, 90) only, and wherein a diode (29) is provided in the circuit of the sensor thereby to protect the sensor against the tension of the heating supply. (Fig. 3).
510538
de Broeck Erik R.
Goethals Erwin O.
Agfa-Gevaert Naamloze Vennootschap
Borden Ladner Gervais Llp
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