Title: Brushless DC motor driving circuit

Abstract: A brushless DC motor having a plurality of stator windings and a rotor made of a magnet is driven by energizing the stator windings successively, and in which signals induced in the plurality of stator windings resulting from the rotation of the rotor are detected as position signals of the rotor and at least one of the stator windings which corresponds to the position signal is supplied with a driving signal.

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Inventors: Machida, Yukihiko (Mitaka, JA)

Application Number: 516383
Filing Date: 1974-10-21
Publication_date: 1976-12-14
Assignee: Sony Corporation (Tokyo, JA)
Primary Class(es): 318/138 318/254
Other Classes:
US Patent Ref:

3304481	Feb, 1967	Saussele	318/138.
3488566	Jan, 1970	Fukuda	318/138.
3504252	Mar, 1970	Moczala et al.	318/138.
3611081	Oct, 1971	Watson	318/138.
3829749	Aug, 1974	Richt	318/138.

Other Refs:
Primary Examiner: Rubinson, Gene Z.
Assistant Examiner:
Attorney: Hill, Gross, Simpson, Van Santen, Steadman, Chiara & Simpson