Distributed control system

Details Distributed control system Distributed control system

1977-06-24

1979-11-06

Pitts, Harold I.

Communications: electrical

Systems

Selsyn type

340310A, 340151, 340163, H04M 1100

Patent

active

041737547

ABSTRACT:
A redundant digital address and function code is generated at a central location and transmitted through a signal circuit or an A.C. power distribution circuit to a plurality of receiver locations. At each addressed receiver location, the encoded function is performed to control selected loads in a predetermined manner. A signal may be transmitted back to the central location for controlling a pre-programmed combination of loads in response thereto.

REFERENCES:
patent: 3359551 (1967-12-01), Dennison
patent: 3900842 (1975-08-01), Calabro
patent: 3914757 (1975-10-01), Finlay
patent: 3925763 (1975-12-01), Wadhwani
patent: 4012734 (1977-03-01), Jagoda
patent: 4021615 (1977-05-01), James
patent: 4021797 (1977-05-01), Hofmeister
patent: 4022977 (1977-05-01), Nomura
T. K. McGowan et al., "A New Approach to Lighting System Control", Journal of the Illuminating Engineering Society, pp. 38-43, 10/76.
J. Wilson, "An Architectural Energy--Conserving Electronic Dimming System" Lighting Design and Application, pp. 6-7, 1/76.
Honeywell Brochure, The Intelligent Approach to Energy Management.

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