Wire-saving optical encoder having servomotor identification...

Details Wire-saving optical encoder having servomotor identification... Wire-saving optical encoder having servomotor identification...

2007-06-05

2007-06-05

Ro, Bentsu (Department: 2837)

Electricity: motive power systems

Positional servo systems

Digital or numerical systems

C318S640000, C318S652000

Reexamination Certificate

active

11399320

ABSTRACT:
A wire-saving optical encoder having servomotor identification information is applied to a wire-saving transmission design to provide a circuit and a method for processing servomotor identification information and encoded feedback control signals. With a microprocessor, a multiplexer and the servomotor identification information stored in the microprocessor, an output device and a driver for the feedback signals of the encoder constitute a wire-saving signal transmitting circuit. The microprocessor and multiplexer switch a signal transmission mode to transmit the servomotor identification information and phase change signal produced by the servomotor control parameters stored in a firmware by a serial output mode, and the same transmitting wire is used to transmit a rotor operating signal after the transmitting mode is switched, so as to save wires and lower costs for transmitting feedback signals and correctly identifying and effectively controlling a servomotor.

REFERENCES:
patent: 5254919 (1993-10-01), Bridges et al.
patent: 5434602 (1995-07-01), Kaburagi et al.
patent: 5471054 (1995-11-01), Watanabe
patent: 5668456 (1997-09-01), Nakata et al.
patent: 5684373 (1997-11-01), Nakata et al.
patent: 6243023 (2001-06-01), Katagiri
patent: 1232631 (2005-05-01), None

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