| 摘要 |
<p>A heating element operating unit, control device therefor and methods of making the same are provided, the control device (26) being adapted to operate a heating element that comprises a hot surface igniter (28) with a certain repeating pattern of a single complete half-wave pulse in each repeating pattern of at least two complete full-wave pulses of a source (27) of high voltage alternating current for a predetermined time period, the control device (26) utilizing a staircase generator of two transistors (Q10, Q11) for operating the heating element.</p> |
