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:
Dec. 09, 2008
Filed:
Mar. 07, 2007
John J. O'mahony, Maple Grove, MN (US);
Sonny Behan, Sugar Hill, GA (US);
Andrew V. Halpert, Coral Springs, FL (US);
Edward G. Rychlick, Maple Grove, MN (US);
John J. O'Mahony, Maple Grove, MN (US);
Sonny Behan, Sugar Hill, GA (US);
Andrew V. Halpert, Coral Springs, FL (US);
Edward G. Rychlick, Maple Grove, MN (US);
CHF Solutions, Inc., Brooklyn Park, MN (US);
Abstract
A weight scale including: a measuring electronic circuit including a filter; a load cell attachable to a support housing and generating a load signal processed by the filter of the electronic circuit; a spring coupled to the load cell to apply a force to the load cell, wherein the load signal is indicative of the force, and a scale beam connected to the spring and to the support housing, wherein a weight to be measured is attached to the scale beam and the force applied by the spring is indicative of the weight, and wherein natural frequencies of the weight and spring is higher than a cut-off frequency of the filter.