Motor controlling circuit and method

Details Motor controlling circuit and method Motor controlling circuit and method

2006-11-14

2009-06-02

Masih, Karen (Department: 2837)

Electricity: motive power systems

Positional servo systems

Program- or pattern-controlled systems

C318S799000, C318S491000, C388S803000

Reexamination Certificate

active

07541765

ABSTRACT:
A motor control circuit includes: a detector outputting a detection signal in accordance with the motor rpm; a counter counting the number of clocks in accordance with a rotational cycle represented by the detection signal; a controller counting a DC motor based on the count value; and a divider dividing a frequency of a basic clock based on a preset division value to generate a counting clock. The divider generates a counting clock having a frequency corresponding to a rotational cycle, and the counter counts the number of counting clocks.

REFERENCES:
patent: 4211967 (1980-07-01), Akiyama et al.
patent: 4684262 (1987-08-01), Meister
patent: 2004-054762 (2004-02-01), None

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