Actuator driving apparatus
First Claim
1. An actuator driving circuit for driving an electromagnetic actuator, comprising a boosting circuit which boosts a source voltage, a voltage dividing circuit which is connected to an output terminal of said boosting circuit to divide said boosted voltage generated by said boosting circuit, and a boosted voltage controller which is connected to said output terminal of said boosting circuit, said boosted voltage controller reducing a dividing ratio of said voltage dividing circuit when said source voltage becomes lower than a predetermined level.
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Accused Products
Abstract
An actuator driving circuit for driving an electromagnetic actuator, includes a boosting circuit which boosts a source voltage, and a boosted voltage controller which is connected to an output terminal of the boosting circuit, i.e., the downstream of the boosting circuit, to control a boosted voltage generated by the boosting circuit.
13 Citations
5 Claims
- 1. An actuator driving circuit for driving an electromagnetic actuator, comprising a boosting circuit which boosts a source voltage, a voltage dividing circuit which is connected to an output terminal of said boosting circuit to divide said boosted voltage generated by said boosting circuit, and a boosted voltage controller which is connected to said output terminal of said boosting circuit, said boosted voltage controller reducing a dividing ratio of said voltage dividing circuit when said source voltage becomes lower than a predetermined level.
Specification