Power source monitor and a rotary encoder with such a monitor

Details Power source monitor and a rotary encoder with such a monitor Power source monitor and a rotary encoder with such a monitor

1989-01-18

1991-04-09

Atkinson, Charles E.

Excavating

341 15, 341 6, 371 491, G06F 1110

Patent

active

050070576

ABSTRACT:
A rotary encoder which serves to generate absolute position data is outfitted with a power source monitor which generates, during a power interruption, an alarm signal which invalidates all subsequent absolute position data being outputted by the rotary encoder. Loss of output data from the rotary encoder is reliably prevented, even upon the unexpected occurrence of very short power supply interruptions. This enhances the operational reliability and stability of the encoder considerably.

REFERENCES:
patent: 4551841 (1985-11-01), Fujita et al.
patent: 4698814 (1987-10-01), Verheul et al.
patent: 4766567 (1988-08-01), Kato
patent: 4777626 (1988-10-01), Matsushita et al.

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