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:
Feb. 28, 2012
Filed:
Dec. 02, 2008
Applicant:
Tae Inn Chung, Pohang-si, KR;
Inventor:
Tae Inn Chung, Pohang-si, KR;
Assignee:
Hyundai Motor Company, Seoul, KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 1/06 (2006.01); H04B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A vehicle antenna includes a first Automatic Gain Control (AGC) unit and a second AGC unit. The first AGC unit may attenuate an input signal based on the strength of the input signal, and then output the attenuated signal to a transistor. The second AGC unit may control a power to be supplied or not to the transistor using a switching function based on the strength of the input signal. With the antenna, the signals of a strong electric field as well as the signals of a weak electric field adjacent to the strong electric field can be effectively controlled.