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. 03, 2006
Filed:
Apr. 06, 2004
John Francis Waymouth, Marblehead, MA (US);
Robert Thomas Nachtrieb, Lansdale, PA (US);
Farheen Khan, Coopersburg, PA (US);
Mark Alan Hartfield, Saint Joseph, MI (US);
Mark Stephen Taipale, Harleysville, PA (US);
Renzo Corrado Demeo, Huntington, NY (US);
Russell Lawrence Macadam, Coopersburg, PA (US);
John Francis Waymouth, Marblehead, MA (US);
Robert Thomas Nachtrieb, Lansdale, PA (US);
Farheen Khan, Coopersburg, PA (US);
Mark Alan Hartfield, Saint Joseph, MI (US);
Mark Stephen Taipale, Harleysville, PA (US);
Renzo Corrado DeMeo, Huntington, NY (US);
Russell Lawrence MacAdam, Coopersburg, PA (US);
Lutron Electronics Co., Inc., Coopersburg, PA (US);
Abstract
Apparatus and methods are disclosed for measuring cathode fall within a fluorescent lamp that contains an electrode and a gas. A level of cathode fall associated with the electrode may be identified based on an intensity and wavelength of radiation emitted by the gas.