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:
Jul. 02, 1991
Filed:
Oct. 10, 1989
Applicant:
Inventor:
E H Bartelink, Concord, NH (US);
Assignee:
Academy of Applied Science, Inc., Concord, NH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
361 49 ; 361 42 ;
Abstract
An improved mains outlet and method of operating the same that automatically and safely distinguishes between the conditions of human or animal contact with the outlet terminals and contact with appliances such as light bulbs and consumer products, to prevent any substantial voltage or power from being drawn in the former case and automatically applies substantially full mains voltage when the appliance is connected to the outlet, including appliances presenting inductive loads. Use with ground fault detector systems is also feasible.