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:
May. 01, 2012
Filed:
Jan. 27, 2010
John P. Stachler, Plano, TX (US);
John P. Stachler, Plano, TX (US);
Lennox Industries Inc., Richardson, TX (US);
Abstract
An HVAC controller, a method for determining the source of a reset of a HVAC unit and a HVAC system are disclosed herein. In one embodiment, the HVAC controller includes: (1) a power on reset (POR) register configured to indicate if a POR has occurred for said controller, (2) a non-volatile memory having a first reset code section and a second reset code section, wherein said first and second reset code sections are each configured to store a reset code and (3) a processor configured to deduce when a source of a reset for said controller is a watchdog reset based on content of said POR register, said first reset code section and said second reset code section.