Three phase full wave DC motor decoder

Details Three phase full wave DC motor decoder Three phase full wave DC motor decoder

1975-06-03

1977-05-31

Rubinson, Gene Z.

Electricity: motive power systems

Reciprocating or oscillating motor

Energizing winding circuit control

318254, 318227, H02K 2900

Patent

active

040272125

ABSTRACT:
A three phase decoder for DC motors is disclosed which employs an extremely simple six transistor circuit to derive six properly phased output signals for fullwave operation of DC motors. Six decoding transistors are coupled at their base-emitter junctions across a resistor network arranged in a delta configuration. Each point of the delta configuration is coupled to one of three position sensors which sense the rotational position of the motor. A second embodiment of the invention is disclosed in which photo-optical isolators are used in place of the decoding transistors.

REFERENCES:
patent: 3483458 (1969-12-01), Kirk
patent: 3749991 (1973-07-01), Kuniyoshi
patent: 3806783 (1974-04-01), Lodochnikov et al.
patent: 3866099 (1975-02-01), Bourbeau
patent: 3900780 (1975-08-01), Tanikoshi

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