Drive circuit for controlling a resonant motor

Details Drive circuit for controlling a resonant motor Drive circuit for controlling a resonant motor

H - Electricity

02

P

H02P 7/00 (2006.01) G06K 7/10 (2006.01)

Patent

CA 2537996

A drive circuit for operating a resonant motor includes a motor circuit, a feedback circuit, a control circuit, and a coil drive circuit. A feedback loop includes the motor circuit, the feedback circuit, and the control circuit. The feedback loop in conjunction with the coil drive circuit monitors, maintains, and adjusts the oscillatory motion of the resonant motor. The drive circuit is suitable for operating a resonant motor of an optical code reader.

La présente invention concerne un circuit pilote destiné à la mise en oeuvre d'un moteur à résonance. Ce circuit pilote comprend un circuit moteur, un circuit de rétroaction, un circuit commande, et un circuit pilote de bobine. Le circuit moteur, le circuit de rétroaction et le circuit de commande forment une boucle de rétroaction qui assure, en association avec le circuit pilote de bobine, la surveillance, le maintien et le réglage du mouvement oscillatoire du moteur à résonance. Un tel circuit pilote convient particulièrement à la mise en oeuvre d'un moteur à résonance de lecteur optique.

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