Servo motor encoder

Details Servo motor encoder Servo motor encoder

1996-04-24

1997-09-16

Cabeca, John W.

Electricity: motive power systems

Positional servo systems

Digital or numerical systems

318652, 318647, G05B 1929

Patent

active

056684568

ABSTRACT:
The invention provides a servo motor encoder in which signals are output via signal lines and output terminals which are used in common. Incremental signals A, B, and Z and servo motor magnetic pole position detection signals UE, VE, and WE are switched by a multiplexer so as to output these signals via a common line driver. Alternatively, two line drivers are selectively activated and inactivated so that incremental signals and servo motor magnetic pole position detection signals are output via common signal lines. In any modes, signals can be carried via a less number of signal lines.

REFERENCES:
patent: 4038590 (1977-07-01), Knowlton
patent: 4727300 (1988-02-01), Horikawa et al.
patent: 5215300 (1993-06-01), Schmidt

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