In one example, a heating system includes a first heater having a first resistive heating element, a second heater having multiple second resistive heating elements arranged in parallel with a group of the second heating elements having a combined resistance equal to a resistance of the first heating element, and a controller to periodically switch power between the first heating element and the group of second heating elements at a zero crossing of an AC power source.
申请公布号
WO2015130326(A1)
申请公布日期
2015.09.03
申请号
WO2014US32288
申请日期
2014.03.29
申请人
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
发明人
PUIGORIOL, ROGER BASTARDAS;GELLIDA, FRANCISCO JAVIER PEREZ;ANANOS, SANTIAGO SANZ;NAVAZO, JUAN MANUEL VALERO;IRURUETA, MIKEL ZUZA