Ricoh Company, Ltd.

Shuntaroh Nakayama

Tetsuya Yano

Toshimasa Aoki

Norikazu Okada

Takaaki Shirai

Atsuki Iwata

Tomoyuki Yamashita

Takuma Kasai

Homare Ehara

Ryohta Kubokawa

An electric power supplying device includes a main power supply that supplies electric power to each component of an apparatus, an auxiliary power supply that supplies electric power to an assisted component in the apparatus, the assisted component requiring power supply during start-up time of the apparatus and having a whose start-up time being equal to or longer than a predetermined period of time, a discharging control circuit that controls the auxiliary power supply to cause the auxiliary power supply to output a voltage, the output voltage being lower than a voltage output by the main power supply and being equal to or more than a lower limit voltage of a voltage range that the assisted component is operable, and a power supply prevention circuit that prevents the auxiliary power supply from supplying power to a component other than the assisted component in the apparatus.

Electric power supplying device and image processing apparatus

Growing community of inventors

Kanagawa, Japan

Shuntaroh Nakayama