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:
Aug. 22, 2006
Filed:
Jul. 01, 2002
Applicant:
Wayne A. Miller, Jr., Port Jefferson Station, NY (US);
Inventor:
Wayne A. Miller, Jr., Port Jefferson Station, NY (US);
Assignee:
Standard Microsystems Corporation, Hauppauge, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
G01R 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system may include a PWM (Pulse Width Modulator) configured to generate a PWM signal, a signal modifier configured to generate a modified PWM signal that includes a sampling activation signal having a different frequency than the PWM signal, fan drive circuitry configured to provide power to a fan in response to the modified PWM signal; and a sampling unit configured to sample a fan tachometer signal in response to an indication that the fan is currently powered.