Remote monitor control system

Details Remote monitor control system Remote monitor control system

1987-03-31

1989-02-21

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

340825650, 340310R, H04Q 900, G05B 2302

Patent

active

048069299

ABSTRACT:
A remote monitor control system comprises a single master station having the function of communication in synchronism with communication clocks for generating various commands required for monitor and control, and a plurality of terminal stations having the function of communication in synchronism with the communication clocks for receiving data related to objects of monitor and controlling objects of control. The terminal stations are caused to respond at different time points sequentially predetermined different times after transmission from the master station. When a sync signal fails to be received for a predetermined length of time, the predetermined time set for a particular station is shortened.

REFERENCES:
patent: 4112416 (1978-09-01), Hasegawa et al.
patent: 4114138 (1978-09-01), Demers
patent: 4604618 (1986-08-01), Akiba et al.
patent: 4680582 (1987-07-01), Mejia
"Development and Field Test on a Distribution Line Carrier Communication System", by Akira Miyahara et al., IEEE Transactions on Power Delivery, vol. PWRD-1, No. 3, Jul. 1986.

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