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:
Jan. 16, 2018
Filed:
Mar. 29, 2014
Hewlett-packard Development Company, L.p., Houston, TX (US);
Roger Bastardas Puigoriol, Barcelona, ES;
Francisco Javier Perez Gellida, Barcelona, ES;
Santiago Sanz Ananos, Barcelona, ES;
Juan Manuel Valero Navazo, Sant Feliu de Llobregat, ES;
Mikel Zuza Irurueta, Barcelona, ES;
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
In one example, a heating system includes a first heater having a first resistive heating element, a second heater having multiple second resistive heating elements arranged in parallel with a group of the second heating elements having a combined resistance equal to a resistance of the first heating element, and a controller to periodically switch power between the first heating element and the group of second heating elements at a zero crossing of an AC power source.