Electronic absolute coordinate encoder for positional control de

Details Electronic absolute coordinate encoder for positional control de Electronic absolute coordinate encoder for positional control de

1988-09-16

1990-05-01

Shoop, Jr., William M.

Electricity: motive power systems

Positional servo systems

Digital or numerical systems

318602, 318568, 25023116, 25023118, 341 6, G05B 1929

Patent

active

049221760

ABSTRACT:
An electronic absolute coordinate encoder for positional control devices which includes an encoding section, a detector section, a counter section and a backup power source. The encoder can detect the current position of the positioning system continuously even in case of power interruption and thus the positioning system may not be returned to the original position for the purpose of performing the position control, when the power interruption ends.

REFERENCES:
patent: 4079251 (1978-03-01), Osann, Jr.
patent: 4442532 (1984-04-01), Takemura
patent: 4491826 (1985-01-01), Krogh et al.
patent: 4633224 (1986-12-01), Gipp et al.
patent: 4672279 (1987-06-01), Hosokawa et al.

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