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.

Date of Patent:
Mar. 13, 2001

Filed:

May. 29, 1998
Applicant:
Inventors:

Kenneth C. Crater, North Grafton, MA (US);

Daniel L. Pierson, Hudson, MA (US);

William O. Schley, Holliston, MA (US);

Assignee:

Control Technology Corporationa, Hopkinton, MA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05B 1/132 ;
U.S. Cl.
CPC ...
G05B 1/132 ;
Abstract

A controller capable of interacting with a remotely located computer has an object-oriented control structure facilitating remote access to data formatted in accordance with instructions defined by the controller. The control structure may be organized around a database of object items each associated with a control function. For each control function, the items include one or more procedures for performing an action associated with the control function, and one or more procedures for displaying data associated with the control function. The action procedures effectively define the controller's repertoire with respect to a particular control function. The display procedures comprise instructions retrievable and executable by the remotely located computer, causing display thereon of the data in a predetermined format (i.e., the format prescribed by the instructions). The controller facilitates selection and performance of actions in the database, and execution of the display procedure makes the display instructions accessible to the remotely located computer.


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