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:
Dec. 20, 1994

Filed:

Aug. 11, 1993
Applicant:
Inventors:

Frederick D Heavey, Forest Lake, MN (US);

Bradley P Cornell, Stillwater, MN (US);

Assignee:

Dimensions Unlimited, Inc., St. Paul, MN (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M / ;
U.S. Cl.
CPC ...
363 71 ; 323272 ; 307 80 ;
Abstract

A power supply apparatus comprising a first apparatus for supplying power having a first power output, a second apparatus for supplying power having a second power output and a load monitoring apparatus for monitoring a third power output. The load monitoring apparatus has an input coupled to the third power output, and the load monitoring apparatus also includes a monitor output. A switching apparatus connects the first power output and the second power output to the third power output, wherein the switching apparatus has an input connected to the monitor output and switches in response to the monitor output.


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