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. 17, 2012
Filed:
Feb. 23, 2009
John R. Rudolph, Antioch, TN (US);
Gary Fisher, Goodlettsville, TN (US);
Frank Downing, Martinez, GA (US);
Robert Mccoy, Franklin, TN (US);
Maureen Donoho, Goodlettsville, TN (US);
James Hughes, Hendersonville, TN (US);
John R. Rudolph, Antioch, TN (US);
Gary Fisher, Goodlettsville, TN (US);
Frank Downing, Martinez, GA (US);
Robert McCoy, Franklin, TN (US);
Maureen Donoho, Goodlettsville, TN (US);
James Hughes, Hendersonville, TN (US);
Electrolux Home Products, Inc., Charlotte, NC (US);
Abstract
A disappearing interface system for a device, such as an appliance (e.g., a cooking range) having an interactive user interface, a light-emitting device (e.g., a LED), a microprocessor based LED fader electronic control system that uses a PWM signal to drive an A/D circuit to control the intensity (e.g., fade in/out) of the light-emitting device.