The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 17, 1990
Filed:
Sep. 23, 1988
Applicant:
Inventors:
Masashi Suzuki, Tokyo, JP;
Minoru Yagishita, Kanagawa, JP;
Assignee:
Yamatake-Honeywell Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ; G08C / ;
U.S. Cl.
CPC ...
364505 ; 364550 ; 364140 ; 364138 ; 307 38 ; 34082506 ;
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.