发明名称 |
Heater energization control circuit, heater energization control method, and image forming apparatus |
摘要 |
A heater energization control circuit includes a heater, a power source that supplies an alternating current to the heater, a first capacitor that charges and discharges in accordance with a first time constant that is determined by an electrostatic capacity of the first capacitor and a resistance value of a first resistor, and a second capacitor that charges and discharges in accordance with a second time constant that is determined by an electrostatic capacity of the second capacitor and a resistance value of a second resistor. A controller determines an energization start timing to the heater in accordance with a size relationship between a voltage of the first capacitor and a voltage of the second capacitor, and starting to supply the alternating current to the heater by the power source for supplying under this timing.
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申请公布号 |
US6794619(B2) |
申请公布日期 |
2004.09.21 |
申请号 |
US20030345898 |
申请日期 |
2003.01.16 |
申请人 |
MURATA KIKAI KABUSHIKI KAISHA |
发明人 |
OKUBO SEINO |
分类号 |
G03G21/00;G03G15/20;G03G21/14;H05B1/02;H05B3/00;(IPC1-7):H05B1/02 |
主分类号 |
G03G21/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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