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:
Dec. 06, 2016
Filed:
Apr. 29, 2015
GM Global Technology Operations Llc, Detroit, MI (US);
Kathrein Automotive North America, Inc., Rochester Hills, MI (US);
Timothy J. Talty, Beverly Hills, MI (US);
Gregg R. Kittinger, Pontiac, MI (US);
Andreas Fuchs, Lake Orion, MI (US);
Elias Ghafari, Rochester Hills, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
KATHREIN AUTOMOTIVE NORTH AMERICA, INC., Rochester Hills, MI (US);
Abstract
An AM/FM radio system for a vehicle that is selectively impedance matched to the particular tuned frequency of interest so that noise received by other frequencies does not affect the received signal. The radio system includes an HMI allowing a user to select an AM or FM radio station and a radio tuner responsive to a signal from the HMI identifying the selected radio station. The tuner tunes the radio system to the radio station, and provides a signal to the HMI identifying the radio station. The HMI places a message on a vehicle bus identifying the radio station that the radio tuner is tuned to. An antenna controller receives the message from the vehicle bus to selectively control an impedance matrix to provide impedance matching for the selected radio station frequency. The antenna controller also selectively tunes antenna radiating elements to the particular tuned frequency.