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.:

US 7634242 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 15, 2009

Filed:

Aug. 31, 2006
Applicant:

Timothy M. Magnusen, Murphy, TX (US);

Inventor:

Timothy M. Magnusen, Murphy, TX (US);

Assignee:

Microtune (Texas), L.P., Plano, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

A system for implementing a tuner comprising a Radio Frequency (RF) circuit, a filter disposed in a signal path in said RF circuit, a first negative resistance unit in communication with said filter adapted to cancel one or more resistive elements in said filter, a frequency measurement unit in communication with said filter, wherein said first negative resistance unit is adapted to cause said filter to act as an oscillator, and wherein said frequency measurement unit is adapted to measure oscillations of said filter and to calculate a center frequency of said filter therefrom.


Find Patent Forward Citations

Loading…