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:
Nov. 10, 1992

Filed:

Apr. 26, 1991
Applicant:
Inventors:

Alan G Metcalfe, Onalaska, WI (US);

Tedd P Johnson, La Crosse, WI (US);

David M Foye, La Crosse, WI (US);

Assignee:

American Standard Inc., New York, NY (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G05D / ; F25B / ;
U.S. Cl.
CPC ...
62126 ; 236 94 ; 361166 ;
Abstract

A method of determining and controlling a load by a controller. The method comprises the steps of transmitting a signal for a first predetermined time period on an electrical line having a load in parallel with a capacitor; monitoring the electrical line for electrical activity within a second predetermined time period following the first time period; and controlling the load in response to the presence or absence of the electrical activity.


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