Drive circuit for controlling a resonant motor

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

2006-01-03

2006-01-03

Lee, Diane I. (Department: 2876)

Registers

Coded record sensors

Particular sensor structure

C235S472010, C310S06800R, C310S06800R, C318S459000, C318S500000, C318S727000

Reexamination Certificate

active

06981645

ABSTRACT:
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.

REFERENCES:
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patent: 5550364 (1996-08-01), Rudeen
patent: 5736797 (1998-04-01), Motohashi et al.
patent: 6037740 (2000-03-01), Pollock et al.
patent: 6259179 (2001-07-01), Fukuyama et al.
patent: 6394579 (2002-05-01), Boyd et al.
patent: 0 652 632 (1995-05-01), None
patent: 1 096 660 (2001-02-01), None
Copy of International Search Report.

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