Apparatus for controlling electrical receivers occupying at leas

Details Apparatus for controlling electrical receivers occupying at leas Apparatus for controlling electrical receivers occupying at leas

1982-07-08

1985-02-12

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

34082557, 34082518, 34082551, 318548, H04Q 900

Patent

active

044994630

ABSTRACT:
The present invention relates to a control installation for several electrical receivers, such as motors for example, able to occupy at least two states. Each installation comprises individual control devices respectively associated with receivers and a general control device able to control all the receivers.
The control installation comprises, in each individual control device, a logic processing unit comprising, on the one hand a first group of input terminals to which are connected the switching means of the corresponding individual control device, on the other hand output terminals connected through the intermediary of output interfaces to the corresponding receiver. The switching means of the general control device are connected to a second group of input terminals of the logic processing unit, through the intermediary of an input interface. Each logic processing unit is provided, on the one hand in order to accept in succession commands given non-simultaneously by the corresponding individual control device or by the general control device, on the other hand in order to accept solely the command given by the general control device, as long as this command is given simultaneously with a command from the corresponding individual control device.

REFERENCES:
patent: 3993977 (1976-11-01), Gilbert
patent: 4016369 (1977-04-01), Pedersen

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