Patent Number: 8,880,912

Title: Power supply device and image forming apparatus

Abstract: A power supply device provided with a main power supply unit that supplies generated predetermined power to an electric load, a current detecting unit, a current indicating unit, an electric storage unit, an auxiliary power supply unit, and a control unit that determines an upper limit current value to be output to the current indicating unit on the basis of at least a condition of the electric load, and controls the upper limit current value such that power supplied from the auxiliary power supply unit to the electric load is converged in a predetermined convergence time when the power supply from the auxiliary power supply unit to the electric load is stopped or reduced.

Inventors: Nakajima; Mikio (Kanagawa, JP), Yano; Tetsuya (Kanagawa, JP), Kondo; Tomohide (Kanagawa, JP)

Assignee: Ricoh Company, Limited

International Classification: G06F 1/26 (20060101); G06F 5/00 (20060101)

Expiration Date: 2019-11-04 0:00:00