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:
Mar. 21, 2000
Filed:
Jun. 23, 1998
Applicant:
Inventors:
Assignee:
Harada Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01S / ; H04B / ;
U.S. Cl.
CPC ...
34235706 ; 342372 ;
Abstract
The beam steering antenna unit of the present invention is constituted to determine the antenna directivity in the direction of the broadcast tower from which the electric wave currently being received is sent, by carrying out the selective combination of plural antenna elements, and controlling the phase relations between the RF signals of each band received with the above antenna elements based on the objective broadcast station data obtainable from the tuner, broadcast tower position data obtainable from the broadcast tower data base, and the present position information obtainable from the GPS receiver in receiving the FM/AM band, TV band, etc.