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:
Mar. 01, 2005
Filed:
Nov. 16, 2001
Wieslaw Brys, Bedford, MA (US);
Juan Guzman, Jr., Shrewsbury, MA (US);
Witold Wrotek, Stow, MA (US);
Michael A. Garrett, Worcester, MA (US);
Wieslaw Brys, Bedford, MA (US);
Juan Guzman, Jr., Shrewsbury, MA (US);
Witold Wrotek, Stow, MA (US);
Michael A. Garrett, Worcester, MA (US);
White Electronic Designs Corp., Phoenix, AZ (US);
Abstract
An apparatus and method for the protection of an electronic circuit against anomalies in a supplied power voltage where the apparatus includes: a reserve power source connected to the supplied power voltage for providing voltage to the electronic circuit for a predetermined amount of time after an anomaly has occurred in the supplied power voltage, a module control for maintaining selected data and control signals transmitted to the electronic circuit during occurrence of the anomaly, and a differential comparator connected to the supplied power voltage and to the reserve power source to produces a comparator control signal upon occurrence of the anomaly, the differential comparator providing the comparator control signal to the module control.