Image forming apparatus utilizing an AC voltage control circuit

Details Image forming apparatus utilizing an AC voltage control circuit Image forming apparatus utilizing an AC voltage control circuit

1990-08-08

1993-07-20

Paschall, Mark H.

Electric heating

Heating devices

With power supply and voltage or current regulation or...

219501, 219508, 219486, 219216, H05B 102

Patent

active

052295770

ABSTRACT:
An image forming apparatus having a built in AC voltage control circuit which enables the apparatus to be used in regions of the world having commercial power supplies with different supply voltages. The AC voltage control circuit first compares the input voltage to a reference voltage and then performs a switching operation to ensure that the voltage supplied to the AC electric components of the image forming apparatus is the voltage necessary for operation of those components.

REFERENCES:
patent: 4493984 (1985-01-01), Yamauchi
patent: 4540892 (1985-09-01), Carvalho
patent: 4542281 (1985-09-01), Thompson

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