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:
Oct. 30, 2012
Filed:
Apr. 04, 2007
Andre Pierre Perra, Portland, OR (US);
Kent Jeffrey Holce, Portland, OR (US);
Roger Steven Cota, Vancouver, WA (US);
Andre Pierre Perra, Portland, OR (US);
Kent Jeffrey Holce, Portland, OR (US);
Roger Steven Cota, Vancouver, WA (US);
Cerus Industrial Corporation, Hillsboro, OR (US);
Abstract
An electrical device protection apparatus, such as an overload relay, can include a microprocessorthat can receive a wide range of current signals from a current transformer or other current sensor. Also microprocessorcan employ a voltage sensorto measure line voltage, for representing true power, and as a power supplysource for the microprocessor. The microprocessor can then generate annunciation signals, control signals, and/or communication signalsas necessary for the control and/or protection of an attached electrical device.