Device for aiding maintenance of an electromechanical installati

Details Device for aiding maintenance of an electromechanical installati Device for aiding maintenance of an electromechanical installati

1986-11-28

1989-07-11

George, Keith E.

Telephonic communications

Telephone line or system combined with diverse electrical...

To produce visual-graphic copy

379106, H04M 1100

Patent

active

048478946

ABSTRACT:
A device for aiding maintenance of an electromechanical installation, which installation has an automatic monitoring and control apparatus, provides remote supervision of the electromechanical installation. The device includes a control unit connected to the automatic monitoring and control apparatus and to the public telephone system. The device also includes at least one external supervision video terminal having a keyboard, a display screen, and a printer. The video terminal is connected to the public telephone system for remote interrogation of the control unit.

REFERENCES:
patent: 3882305 (1975-05-01), Johnstone
patent: 4162536 (1979-07-01), Morley
patent: 4213174 (1980-07-01), Morley et al.
patent: 4281379 (1981-07-01), Austin
patent: 4591967 (1986-05-01), Mattes et al.
patent: 4777607 (1988-10-01), Maury et al.

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