Building management system

Details Building management system Building management system

1988-09-23

1990-04-17

Lall, Parshotam S.

Boots, shoes, and leggings

364550, 364140, 364138, 307 38, 34082506, G06F 1520, G08C 1916

Patent

active

049186159

ABSTRACT:
A building management system enables error-free operation of utility devices in the building by limiting an operator's access to controls for the utility devices to those devices that the operator is authorized to control. The system includes a terminal unit and a central station. The operator inputs various commands via the terminal unit, and the central station verifies that the operator entering the commands is authorized to control the devices designated by the commands before performing the input operation command. The system also verifies that the input operation command is a correct command.

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patent: 4602343 (1986-07-01), Dougherty
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patent: 4661914 (1987-04-01), Mulokey et al.
patent: 4675828 (1987-06-01), Winston
patent: 4718025 (1988-01-01), Minor et al.
patent: 4791547 (1988-12-01), Petroff

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